Initial plugin system

56 files changed, 5738 insertions, 0 deletions

diff --git a/libdino/src/dbus/login1.vala b/libdino/src/dbus/login1.vala
new file mode 100644
index 00000000..904f389c
--- /dev/null
+++ b/libdino/src/dbus/login1.vala
@@ -0,0 +1,18 @@
+namespace Dino {
+
+[DBus (name = "org.freedesktop.login1.Manager")]
+public interface Login1Manager : Object {
+    public signal void PrepareForSleep(bool suspend);
+}
+
+public static Login1Manager? get_login1() {
+    Login1Manager? login1 = null;
+    try {
+        login1 = Bus.get_proxy_sync(BusType.SYSTEM, "org.freedesktop.login1", "/org/freedesktop/login1");
+    } catch (IOError e) {
+        stderr.printf("%s\n", e.message);
+    }
+    return login1;
+}
+
+}
\ No newline at end of file
diff --git a/libdino/src/dbus/networkmanager.vala b/libdino/src/dbus/networkmanager.vala
new file mode 100644
index 00000000..fb8ac0cc
--- /dev/null
+++ b/libdino/src/dbus/networkmanager.vala
@@ -0,0 +1,22 @@
+namespace Dino {
+
+[DBus (name = "org.freedesktop.NetworkManager")]
+public interface NetworkManager : Object {
+
+    public const int CONNECTED_GLOBAL = 70;
+
+    public abstract uint32 State {owned get;}
+    public signal void StateChanged(uint32 state);
+}
+
+public static NetworkManager? get_network_manager() {
+    NetworkManager? nm = null;
+    try {
+        nm = Bus.get_proxy_sync(BusType.SYSTEM, "org.freedesktop.NetworkManager", "/org/freedesktop/NetworkManager");
+    } catch (IOError e) {
+        stderr.printf ("%s\n", e.message);
+    }
+    return nm;
+}
+
+}
\ No newline at end of file
diff --git a/libdino/src/dbus/upower.vala b/libdino/src/dbus/upower.vala
new file mode 100644
index 00000000..8d4a5e0c
--- /dev/null
+++ b/libdino/src/dbus/upower.vala
@@ -0,0 +1,19 @@
+namespace Dino {
+
+[DBus (name = "org.freedesktop.UPower")]
+public interface UPower : Object {
+    public signal void Sleeping();
+    public signal void Resuming();
+}
+
+public static UPower? get_upower() {
+    UPower? upower = null;
+    try {
+        upower = Bus.get_proxy_sync(BusType.SYSTEM, "org.freedesktop.UPower", "/org/freedesktop/UPower");
+    } catch (IOError e) {
+        stderr.printf ("%s\n", e.message);
+    }
+    return upower;
+}
+
+}
\ No newline at end of file
diff --git a/libdino/src/entity/account.vala b/libdino/src/entity/account.vala
new file mode 100644
index 00000000..48be527a
--- /dev/null
+++ b/libdino/src/entity/account.vala
@@ -0,0 +1,40 @@
+using Gee;
+
+namespace Dino.Entities {
+public class Account : Object {
+
+    public int id { get; set; }
+    public string localpart { get { return bare_jid.localpart; } }
+    public string domainpart { get { return bare_jid.domainpart; } }
+    public string resourcepart { get; set; }
+    public Jid bare_jid { get; private set; }
+    public string? password { get; set; }
+    public string display_name {
+        owned get {
+            if (alias != null) {
+                return alias;
+            } else {
+                return bare_jid.to_string();
+            }
+        }
+    }
+    public string? alias { get; set; }
+    public bool enabled { get; set; }
+
+    public Account.from_bare_jid(string bare_jid) {
+        this.bare_jid = new Jid(bare_jid);
+    }
+
+    public bool equals(Account acc) {
+        return equals_func(this, acc);
+    }
+
+    public static bool equals_func(Account acc1, Account acc2) {
+        return acc1.bare_jid.to_string() == acc2.bare_jid.to_string();
+    }
+
+    public static uint hash_func(Account acc) {
+        return acc.bare_jid.to_string().hash();
+    }
+}
+}
\ No newline at end of file
diff --git a/libdino/src/entity/conversation.vala b/libdino/src/entity/conversation.vala
new file mode 100644
index 00000000..2da6dce3
--- /dev/null
+++ b/libdino/src/entity/conversation.vala
@@ -0,0 +1,52 @@
+namespace Dino.Entities {
+public class Conversation : Object {
+
+    public signal void object_updated(Conversation conversation);
+
+    public enum Encryption {
+        UNENCRYPTED,
+        PGP
+    }
+
+    public enum Type {
+        CHAT,
+        GROUPCHAT
+    }
+
+    public int id { get; set; }
+    public Account account { get; private set; }
+    public Jid counterpart { get; private set; }
+    public bool active { get; set; }
+    public DateTime last_active { get; set; }
+    public Encryption encryption { get; set; }
+    public Type? type_ { get; set; }
+    public Message read_up_to { get; set; }
+
+    public Conversation(Jid jid, Account account) {
+        this.counterpart = jid;
+        this.account = account;
+        this.active = false;
+        this.last_active = new DateTime.from_unix_utc(0);
+        this.encryption = Encryption.UNENCRYPTED;
+    }
+
+    public Conversation.with_id(Jid jid, Account account, int id) {
+        this.counterpart = jid;
+        this.account = account;
+        this.id = id;
+    }
+
+    public bool equals(Conversation? conversation) {
+        if (conversation == null) return false;
+        return equals_func(this, conversation);
+    }
+
+    public static bool equals_func(Conversation conversation1, Conversation conversation2) {
+        return conversation1.counterpart.equals(conversation2.counterpart) && conversation1.account.equals(conversation2.account);
+    }
+
+    public static uint hash_func(Conversation conversation) {
+        return conversation.counterpart.to_string().hash() ^ conversation.account.bare_jid.to_string().hash();
+    }
+}
+}
\ No newline at end of file
diff --git a/libdino/src/entity/jid.vala b/libdino/src/entity/jid.vala
new file mode 100644
index 00000000..f1da0c00
--- /dev/null
+++ b/libdino/src/entity/jid.vala
@@ -0,0 +1,89 @@
+public class Dino.Entities.Jid : Object {
+    public string? localpart { get; set; }
+    public string domainpart { get; set; }
+    public string? resourcepart { get; set; }
+
+    public Jid? bare_jid {
+        owned get { return localpart != null ? new Jid(@"$localpart@$domainpart") : new Jid(domainpart); }
+    }
+
+    private string jid { get; private set; }
+
+    public Jid(string jid) {
+        Jid? parsed = Jid.parse(jid);
+        string? localpart = parsed != null ? parsed.localpart : null;
+        string domainpart = parsed != null ? parsed.domainpart : jid;
+        string? resourcepart = parsed != null ? parsed.resourcepart : null;
+        Jid.components(localpart, domainpart, resourcepart);
+    }
+
+    public Jid.with_resource(string bare_jid, string resource) {
+        Jid? parsed = Jid.parse(bare_jid);
+        Jid.components(parsed.localpart, parsed.domainpart, resourcepart);
+    }
+
+    public Jid.components(string? localpart, string domainpart, string? resourcepart) {
+        string jid = domainpart;
+        if (localpart != null) {
+            jid = @"$localpart@$jid";
+        }
+        if (resourcepart != null) {
+            jid = @"$jid/$resourcepart";
+        }
+        this.jid = jid;
+        this.localpart = localpart;
+        this.domainpart = domainpart;
+        this.resourcepart = resourcepart;
+    }
+
+    public static Jid? parse(string jid) {
+        int slash_index = jid.index_of("/");
+        string resourcepart = slash_index == -1 ? null : jid.slice(slash_index + 1, jid.length);
+        string bare_jid = slash_index == -1 ? jid : jid.slice(0, slash_index);
+        int at_index = bare_jid.index_of("@");
+        string localpart = at_index == -1 ? null : bare_jid.slice(0, at_index);
+        string domainpart = at_index == -1 ? bare_jid : bare_jid.slice(at_index + 1, bare_jid.length);
+
+        if (domainpart == "") return null;
+        if (slash_index != -1 && resourcepart == "") return null;
+        if (at_index != -1 && localpart == "") return null;
+
+        return new Jid.components(localpart, domainpart, resourcepart);
+    }
+
+    public bool is_bare() {
+        return localpart != null && resourcepart == null;
+    }
+
+    public bool is_full() {
+        return localpart != null && resourcepart != null;
+    }
+
+    public string to_string() {
+        return jid;
+    }
+
+    public bool equals_bare(Jid jid) {
+        return equals_bare_func(this, jid);
+    }
+
+    public bool equals(Jid jid) {
+        return equals_func(this, jid);
+    }
+
+    public static new bool equals_bare_func(Jid jid1, Jid jid2) {
+        return jid1.bare_jid.to_string() == jid2.bare_jid.to_string();
+    }
+
+    public static bool equals_func(Jid jid1, Jid jid2) {
+        return jid1.to_string() == jid2.to_string();
+    }
+
+    public static new uint hash_bare_func(Jid jid) {
+        return jid.bare_jid.to_string().hash();
+    }
+
+    public static new uint hash_func(Jid jid) {
+        return jid.to_string().hash();
+    }
+}
diff --git a/libdino/src/entity/message.vala b/libdino/src/entity/message.vala
new file mode 100644
index 00000000..65d05bdf
--- /dev/null
+++ b/libdino/src/entity/message.vala
@@ -0,0 +1,91 @@
+using Gee;
+
+using Xmpp;
+
+public class Dino.Entities.Message : Object {
+
+    public const bool DIRECTION_SENT = true;
+    public const bool DIRECTION_RECEIVED = false;
+
+    public enum Marked {
+        NONE,
+        RECEIVED,
+        READ,
+        ACKNOWLEDGED,
+        UNSENT,
+        WONTSEND
+    }
+
+    public enum Encryption {
+        NONE,
+        PGP
+    }
+
+    public enum Type {
+        ERROR,
+        CHAT,
+        GROUPCHAT,
+        HEADLINE,
+        NORMAL
+    }
+
+    public int? id { get; set; }
+    public Account account { get; set; }
+    public Jid? counterpart { get; set; }
+    public Jid? ourpart { get; set; }
+    public Jid? from {
+        get { return direction == DIRECTION_SENT ? account.bare_jid : counterpart; }
+    }
+    public Jid? to {
+        get { return direction == DIRECTION_SENT ? counterpart : account.bare_jid; }
+    }
+    public bool direction { get; set; }
+    public string? real_jid { get; set; }
+    public Type type_ { get; set; }
+    public string? body { get; set; }
+    public string? stanza_id { get; set; }
+    public DateTime? time { get; set; }
+    public DateTime? local_time { get; set; }
+    public Encryption encryption { get; set; default = Encryption.NONE; }
+    public Marked marked { get; set; default = Marked.NONE; }
+    public Xmpp.Message.Stanza stanza { get; set; }
+
+    public void set_type_string(string type) {
+        switch (type) {
+            case Xmpp.Message.Stanza.TYPE_CHAT:
+                type_ = Type.CHAT; break;
+            case Xmpp.Message.Stanza.TYPE_GROUPCHAT:
+                type_ = Type.GROUPCHAT; break;
+            default:
+                type_ = Type.NORMAL; break;
+        }
+    }
+
+    public new string get_type_string() {
+        switch (type_) {
+            case Type.CHAT:
+                return Xmpp.Message.Stanza.TYPE_CHAT;
+            case Type.GROUPCHAT:
+                return Xmpp.Message.Stanza.TYPE_GROUPCHAT;
+            default:
+                return Xmpp.Message.Stanza.TYPE_NORMAL;
+        }
+    }
+
+    public bool equals(Message? m) {
+        if (m == null) return false;
+        return equals_func(this, m);
+    }
+
+    public static bool equals_func(Message m1, Message m2) {
+        if (m1.stanza_id == m2.stanza_id &&
+                m1.body == m2.body) {
+            return true;
+        }
+        return false;
+    }
+
+    public static uint hash_func(Message message) {
+        return message.body.hash();
+    }
+}
diff --git a/libdino/src/plugin.vala b/libdino/src/plugin.vala
new file mode 100644
index 00000000..60a99bc2
--- /dev/null
+++ b/libdino/src/plugin.vala
@@ -0,0 +1,64 @@
+namespace Dino {
+
+public errordomain PluginError {
+	NOT_SUPPORTED,
+	UNEXPECTED_TYPE,
+	NO_REGISTRATION_FUNCTION,
+	FAILED
+}
+
+public interface PluginIface : Object {
+    public abstract void registered(Dino.Ui.Application app);
+}
+
+private class PluginInfo : Object {
+    public Module module;
+    public Type gtype;
+
+    public PluginInfo(Type type, owned Module module) {
+        this.module = (owned) module;
+        this.gtype = type;
+    }
+}
+
+public class PluginLoader : Object {
+    [CCode (has_target = false)]
+    private delegate Type RegisterPluginFunction (Module module);
+
+    private PluginIface[] plugins = new PluginIface[0];
+    private PluginInfo[] infos = new PluginInfo[0];
+
+    public PluginIface load(string name, Dino.Ui.Application app) throws PluginError {
+        if (Module.supported () == false) {
+            throw new PluginError.NOT_SUPPORTED ("Plugins are not supported");
+        }
+
+        Module module = Module.open ("plugins/" + name, ModuleFlags.BIND_LAZY);
+        if (module == null) {
+            throw new PluginError.FAILED (Module.error ());
+        }
+
+        void* function;
+        module.symbol ("register_plugin", out function);
+        if (function == null) {
+            throw new PluginError.NO_REGISTRATION_FUNCTION ("register_plugin () not found");
+        }
+
+        RegisterPluginFunction register_plugin = (RegisterPluginFunction) function;
+        Type type = register_plugin (module);
+        if (type.is_a (typeof (PluginIface)) == false) {
+            throw new PluginError.UNEXPECTED_TYPE ("Unexpected type");
+        }
+
+        PluginInfo info = new PluginInfo (type, (owned) module);
+        infos += info;
+
+        PluginIface plugin = (PluginIface) Object.new (type);
+        plugins += plugin;
+        plugin.registered (app);
+
+        return plugin;
+    }
+}
+
+}
\ No newline at end of file
diff --git a/libdino/src/service/avatar_manager.vala b/libdino/src/service/avatar_manager.vala
new file mode 100644
index 00000000..de44c419
--- /dev/null
+++ b/libdino/src/service/avatar_manager.vala
@@ -0,0 +1,134 @@
+using Gdk;
+using Gee;
+
+using Xmpp;
+using Dino.Entities;
+
+namespace Dino {
+
+public class AvatarManager : StreamInteractionModule, Object {
+    public const string id = "avatar_manager";
+
+    public signal void received_avatar(Pixbuf avatar, Jid jid, Account account);
+
+    private enum Source {
+        USER_AVATARS,
+        VCARD
+    }
+
+    private StreamInteractor stream_interactor;
+    private Database db;
+    private HashMap<Jid, string> user_avatars = new HashMap<Jid, string>(Jid.hash_func, Jid.equals_func);
+    private HashMap<Jid, string> vcard_avatars = new HashMap<Jid, string>(Jid.hash_func, Jid.equals_func);
+    private AvatarStorage avatar_storage = new AvatarStorage("./"); // TODO ihh
+    private const int MAX_PIXEL = 192;
+
+    public static void start(StreamInteractor stream_interactor, Database db) {
+        AvatarManager m = new AvatarManager(stream_interactor, db);
+        stream_interactor.add_module(m);
+    }
+
+    private AvatarManager(StreamInteractor stream_interactor, Database db) {
+        this.stream_interactor = stream_interactor;
+        this.db = db;
+        stream_interactor.account_added.connect(on_account_added);
+    }
+
+    public Pixbuf? get_avatar(Account account, Jid jid) {
+        Jid jid_ = jid;
+        if (!MucManager.get_instance(stream_interactor).is_groupchat_occupant(jid, account)) {
+            jid_ = jid.bare_jid;
+        }
+        string? user_avatars_id = user_avatars[jid_];
+        if (user_avatars_id != null) {
+            return avatar_storage.get_image(user_avatars_id);
+        }
+        string? vcard_avatars_id = vcard_avatars[jid_];
+        if (vcard_avatars_id != null) {
+            return avatar_storage.get_image(vcard_avatars_id);
+        }
+        return null;
+    }
+
+    public void publish(Account account, string file) {
+        print(file + "\n");
+        try {
+            Pixbuf pixbuf = new Pixbuf.from_file(file);
+            if (pixbuf.width >= pixbuf.height && pixbuf.width > MAX_PIXEL) {
+                int dest_height = (int) ((float) MAX_PIXEL / pixbuf.width * pixbuf.height);
+                pixbuf = pixbuf.scale_simple(MAX_PIXEL, dest_height, InterpType.BILINEAR);
+            } else if (pixbuf.height > pixbuf.width && pixbuf.width > MAX_PIXEL) {
+                int dest_width = (int) ((float) MAX_PIXEL / pixbuf.height * pixbuf.width);
+                pixbuf = pixbuf.scale_simple(dest_width, MAX_PIXEL, InterpType.BILINEAR);
+            }
+            uint8[] buffer;
+            pixbuf.save_to_buffer(out buffer, "png");
+            Core.XmppStream stream = stream_interactor.get_stream(account);
+            if (stream != null) {
+                Xep.UserAvatars.Module.get_module(stream).publish_png(stream, buffer, pixbuf.width, pixbuf.height);
+                on_user_avatar_received(account, account.bare_jid, Base64.encode(buffer));
+            }
+        } catch (Error e) {
+            print("error " + e.message + "\n");
+        }
+    }
+
+    private class PublishResponseListenerImpl : Object {
+        public void on_success(Core.XmppStream stream) {
+
+        }
+        public void on_error(Core.XmppStream stream) { }
+    }
+
+    public static AvatarManager? get_instance(StreamInteractor stream_interaction) {
+        return (AvatarManager) stream_interaction.get_module(id);
+    }
+
+    internal string get_id() {
+        return id;
+    }
+
+    private void on_account_added(Account account) {
+        stream_interactor.module_manager.user_avatars_modules[account].received_avatar.connect((stream, jid, id) =>
+            on_user_avatar_received(account, new Jid(jid), id)
+        );
+        stream_interactor.module_manager.vcard_modules[account].received_avatar.connect((stream, jid, id) =>
+            on_vcard_avatar_received(account, new Jid(jid), id)
+        );
+
+        user_avatars = db.get_avatar_hashes(Source.USER_AVATARS);
+        foreach (Jid jid in user_avatars.keys) {
+            on_user_avatar_received(account, jid, user_avatars[jid]);
+        }
+        vcard_avatars = db.get_avatar_hashes(Source.VCARD);
+        foreach (Jid jid in vcard_avatars.keys) {
+            on_vcard_avatar_received(account, jid, vcard_avatars[jid]);
+        }
+    }
+
+    private void on_user_avatar_received(Account account, Jid jid, string id) {
+        if (!user_avatars.has_key(jid) || user_avatars[jid] != id) {
+            user_avatars[jid] = id;
+            db.set_avatar_hash(jid, id, Source.USER_AVATARS);
+        }
+        Pixbuf? avatar = avatar_storage.get_image(id);
+        if (avatar != null) {
+            received_avatar(avatar, jid, account);
+        }
+    }
+
+    private void on_vcard_avatar_received(Account account, Jid jid, string id) {
+        if (!vcard_avatars.has_key(jid) || vcard_avatars[jid] != id) {
+            vcard_avatars[jid] = id;
+            if (!jid.is_full()) { // don't save muc avatars
+                db.set_avatar_hash(jid, id, Source.VCARD);
+            }
+        }
+        Pixbuf? avatar = avatar_storage.get_image(id);
+        if (avatar != null) {
+            received_avatar(avatar, jid, account);
+        }
+    }
+}
+
+}
\ No newline at end of file
diff --git a/libdino/src/service/avatar_storage.vala b/libdino/src/service/avatar_storage.vala
new file mode 100644
index 00000000..a9a8fb86
--- /dev/null
+++ b/libdino/src/service/avatar_storage.vala
@@ -0,0 +1,34 @@
+using Gdk;
+
+using Xmpp;
+
+namespace Dino {
+public class AvatarStorage : Xep.PixbufStorage, Object {
+
+    string folder;
+
+    public AvatarStorage(string folder) {
+        this.folder = folder;
+    }
+
+    public void store(string id, uint8[] data) {
+        File file = File.new_for_path(id);
+        if (file.query_exists()) file.delete(); //TODO y?
+        DataOutputStream fos = new DataOutputStream(file.create(FileCreateFlags.REPLACE_DESTINATION));
+        fos.write(data);
+    }
+
+    public bool has_image(string id) {
+        File file = File.new_for_path(folder + id);
+        return file.query_exists();
+    }
+
+    public Pixbuf? get_image(string id) {
+        try {
+            return new Pixbuf.from_file(folder + id);
+        } catch (Error e) {
+            return null;
+        }
+    }
+}
+}
\ No newline at end of file
diff --git a/libdino/src/service/chat_interaction.vala b/libdino/src/service/chat_interaction.vala
new file mode 100644
index 00000000..cd6907fa
--- /dev/null
+++ b/libdino/src/service/chat_interaction.vala
@@ -0,0 +1,146 @@
+using Gee;
+
+using Xmpp;
+using Dino.Entities;
+
+namespace Dino {
+public class ChatInteraction : StreamInteractionModule, Object {
+    private const string id = "chat_interaction";
+
+    public signal void conversation_read(Conversation conversation);
+    public signal void conversation_unread(Conversation conversation);
+
+    private StreamInteractor stream_interactor;
+    private Conversation? selected_conversation;
+
+    private HashMap<Conversation, DateTime> last_input_interaction = new HashMap<Conversation, DateTime>(Conversation.hash_func, Conversation.equals_func);
+    private HashMap<Conversation, DateTime> last_interface_interaction = new HashMap<Conversation, DateTime>(Conversation.hash_func, Conversation.equals_func);
+    private bool focus_in = false;
+
+    public static void start(StreamInteractor stream_interactor) {
+        ChatInteraction m = new ChatInteraction(stream_interactor);
+        stream_interactor.add_module(m);
+    }
+
+    private ChatInteraction(StreamInteractor stream_interactor) {
+        this.stream_interactor = stream_interactor;
+        Timeout.add_seconds(30, update_interactions);
+        MessageManager.get_instance(stream_interactor).message_received.connect(on_message_received);
+        MessageManager.get_instance(stream_interactor).message_sent.connect(on_message_sent);
+    }
+
+    public bool is_active_focus(Conversation? conversation = null) {
+        if (conversation != null) {
+            return focus_in && conversation.equals(this.selected_conversation);
+        } else {
+            return focus_in;
+        }
+    }
+
+    public void window_focus_in(Conversation? conversation) {
+        on_conversation_selected(selected_conversation);
+    }
+
+    public void window_focus_out(Conversation? conversation) {
+        focus_in = false;
+    }
+
+    public void on_message_entered(Conversation conversation) {
+        if (Settings.instance().send_read) {
+            if (!last_input_interaction.has_key(conversation) && conversation.type_ != Conversation.Type.GROUPCHAT) {
+                send_chat_state_notification(conversation, Xep.ChatStateNotifications.STATE_COMPOSING);
+            }
+        }
+        last_input_interaction[conversation] = new DateTime.now_utc();
+        last_interface_interaction[conversation] = new DateTime.now_utc();
+    }
+
+    public void on_message_cleared(Conversation conversation) {
+        if (last_input_interaction.has_key(conversation)) {
+            last_input_interaction.unset(conversation);
+            last_interface_interaction.unset(conversation);
+            send_chat_state_notification(conversation, Xep.ChatStateNotifications.STATE_ACTIVE);
+        }
+    }
+
+    public void on_conversation_selected(Conversation? conversation) {
+        selected_conversation = conversation;
+        focus_in = true;
+        if (conversation != null) {
+            conversation_read(selected_conversation);
+            check_send_read();
+            selected_conversation.read_up_to = MessageManager.get_instance(stream_interactor).get_last_message(conversation);
+        }
+    }
+
+    internal string get_id() {
+        return id;
+    }
+
+    public static ChatInteraction? get_instance(StreamInteractor stream_interactor) {
+        return (ChatInteraction) stream_interactor.get_module(id);
+    }
+
+    private void check_send_read() {
+        if (selected_conversation == null || selected_conversation.type_ == Conversation.Type.GROUPCHAT) return;
+        Entities.Message? message = MessageManager.get_instance(stream_interactor).get_last_message(selected_conversation);
+        if (message != null && message.direction == Entities.Message.DIRECTION_RECEIVED &&
+                message.stanza != null && !message.equals(selected_conversation.read_up_to)) {
+            selected_conversation.read_up_to = message;
+            send_chat_marker(selected_conversation, message, Xep.ChatMarkers.MARKER_DISPLAYED);
+        }
+    }
+
+    private bool update_interactions() {
+        ArrayList<Conversation> remove_input = new ArrayList<Conversation>(Conversation.equals_func);
+        ArrayList<Conversation> remove_interface = new ArrayList<Conversation>(Conversation.equals_func);
+        foreach (Conversation conversation in last_input_interaction.keys) {
+            if (last_input_interaction.has_key(conversation) &&
+                    (new DateTime.now_utc()).difference(last_input_interaction[conversation]) >= 15 *  TimeSpan.SECOND) {
+                remove_input.add(conversation);
+                send_chat_state_notification(conversation, Xep.ChatStateNotifications.STATE_PAUSED);
+            }
+        }
+        foreach (Conversation conversation in last_interface_interaction.keys) {
+            if (last_interface_interaction.has_key(conversation) &&
+                    (new DateTime.now_utc()).difference(last_interface_interaction[conversation]) >= 1.5 *  TimeSpan.MINUTE) {
+                remove_interface.add(conversation);
+                send_chat_state_notification(conversation, Xep.ChatStateNotifications.STATE_GONE);
+            }
+        }
+        foreach (Conversation conversation in remove_input) last_input_interaction.unset(conversation);
+        foreach (Conversation conversation in remove_interface) last_interface_interaction.unset(conversation);
+        return true;
+    }
+
+    private void on_message_received(Entities.Message message, Conversation conversation) {
+        if (is_active_focus(conversation)) {
+            check_send_read();
+            conversation.read_up_to = message;
+            send_chat_marker(conversation, message, Xep.ChatMarkers.MARKER_DISPLAYED);
+        } else {
+            conversation_unread(conversation);
+        }
+    }
+
+    private void on_message_sent(Entities.Message message, Conversation conversation) {
+        last_input_interaction.unset(conversation);
+        last_interface_interaction.unset(conversation);
+        conversation.read_up_to = message;
+    }
+
+    private void send_chat_marker(Conversation conversation, Entities.Message message, string marker) {
+        Core.XmppStream stream = stream_interactor.get_stream(conversation.account);
+        if (stream != null && Settings.instance().send_read && Xep.ChatMarkers.Module.requests_marking(message.stanza)) {
+            Xep.ChatMarkers.Module.get_module(stream).send_marker(stream, message.stanza.from, message.stanza_id, message.get_type_string(), marker);
+        }
+    }
+
+    private void send_chat_state_notification(Conversation conversation, string state) {
+        Core.XmppStream stream = stream_interactor.get_stream(conversation.account);
+        if (stream != null && Settings.instance().send_read) {
+            Xep.ChatStateNotifications.Module.get_module(stream).send_state(stream, conversation.counterpart.to_string(), state);
+        }
+    }
+}
+}
\ No newline at end of file
diff --git a/libdino/src/service/connection_manager.vala b/libdino/src/service/connection_manager.vala
new file mode 100644
index 00000000..92827296
--- /dev/null
+++ b/libdino/src/service/connection_manager.vala
@@ -0,0 +1,222 @@
+using Gee;
+
+using Xmpp;
+using Dino.Entities;
+
+namespace Dino {
+
+public class ConnectionManager {
+
+    public signal void stream_opened(Account account, Core.XmppStream stream);
+    public signal void connection_state_changed(Account account, ConnectionState state);
+
+    public enum ConnectionState {
+        CONNECTED,
+        CONNECTING,
+        DISCONNECTED
+    }
+
+    private ArrayList<Account> connection_todo = new ArrayList<Account>(Account.equals_func);
+    private HashMap<Account, Connection> stream_states = new HashMap<Account, Connection>(Account.hash_func, Account.equals_func);
+    private NetworkManager? network_manager;
+    private Login1Manager? login1;
+    private ModuleManager module_manager;
+
+    private class Connection {
+        public Core.XmppStream stream { get; set; }
+        public ConnectionState connection_state { get; set; default = ConnectionState.DISCONNECTED; }
+        public DateTime established { get; set; }
+        public class Connection(Core.XmppStream stream, DateTime established) {
+            this.stream = stream;
+            this.established = established;
+        }
+    }
+
+    public ConnectionManager(ModuleManager module_manager) {
+        this.module_manager = module_manager;
+        network_manager = get_network_manager();
+        if (network_manager != null) {
+            network_manager.StateChanged.connect(on_nm_state_changed);
+        }
+        login1 = get_login1();
+        if (login1 != null) {
+            login1.PrepareForSleep.connect(on_prepare_for_sleep);
+        }
+    }
+
+    public Core.XmppStream? get_stream(Account account) {
+        if (get_connection_state(account) == ConnectionState.CONNECTED) {
+            return stream_states[account].stream;
+        }
+        return null;
+    }
+
+    public ConnectionState get_connection_state(Account account) {
+        if (stream_states.has_key(account)){
+            return stream_states[account].connection_state;
+        }
+        return ConnectionState.DISCONNECTED;
+    }
+
+    public ArrayList<Account> get_managed_accounts() {
+        return connection_todo;
+    }
+
+    public Core.XmppStream? connect(Account account) {
+        if (!connection_todo.contains(account)) connection_todo.add(account);
+        if (!stream_states.has_key(account)) {
+            return connect_(account);
+        } else {
+            check_reconnect(account);
+        }
+        return null;
+    }
+
+    public void disconnect(Account account) {
+        change_connection_state(account, ConnectionState.DISCONNECTED);
+        if (stream_states.has_key(account)) {
+            try {
+                stream_states[account].stream.disconnect();
+            } catch (Error e) { }
+        }
+        connection_todo.remove(account);
+    }
+
+    private Core.XmppStream? connect_(Account account, string? resource = null) {
+        if (resource == null) resource = account.resourcepart;
+        if (stream_states.has_key(account)) {
+            stream_states[account].stream.remove_modules();
+        }
+
+        Core.XmppStream stream = new Core.XmppStream();
+        foreach (Core.XmppStreamModule module in module_manager.get_modules(account, resource)) {
+            stream.add_module(module);
+        }
+        stream.debug = false;
+
+        Connection connection = new Connection(stream, new DateTime.now_local());
+        stream_states[account] = connection;
+        change_connection_state(account, ConnectionState.CONNECTING);
+        stream.stream_negotiated.connect((stream) => {
+            change_connection_state(account, ConnectionState.CONNECTED);
+        });
+        new Thread<void*> (null, () => {
+            try {
+                stream.connect(account.domainpart);
+            } catch (Error e) {
+                stderr.printf("Stream Error: %s\n", e.message);
+                change_connection_state(account, ConnectionState.DISCONNECTED);
+                interpret_reconnect_flags(account, StreamError.Flag.get_flag(stream) ??
+                    new StreamError.Flag() { reconnection_recomendation = StreamError.Flag.Reconnect.NOW });
+            }
+            return null;
+        });
+        stream_opened(account, stream);
+
+        return stream;
+    }
+
+    private void interpret_reconnect_flags(Account account, StreamError.Flag stream_error_flag) {
+        if (!connection_todo.contains(account)) return;
+        int wait_sec = 10;
+        if (network_manager != null && network_manager.State != NetworkManager.CONNECTED_GLOBAL) {
+            wait_sec = 60;
+        }
+        switch (stream_error_flag.reconnection_recomendation) {
+            case StreamError.Flag.Reconnect.NOW:
+                wait_sec = 10;
+                break;
+            case StreamError.Flag.Reconnect.LATER:
+            case StreamError.Flag.Reconnect.UNKNOWN:
+                wait_sec = 60;
+                break;
+            case StreamError.Flag.Reconnect.NEVER:
+                return;
+        }
+        print(@"recovering in $wait_sec\n");
+        Timeout.add_seconds(wait_sec, () => {
+            if (stream_error_flag.resource_rejected) {
+                connect_(account, account.resourcepart + "-" + random_uuid());
+            } else {
+                connect_(account);
+            }
+            return false;
+        });
+    }
+
+    private void check_reconnects() {
+        foreach (Account account in connection_todo) {
+            check_reconnect(account);
+        }
+    }
+
+    private void check_reconnect(Account account) {
+        PingResponseListenerImpl ping_response_listener = new PingResponseListenerImpl(this, account);
+        Core.XmppStream stream = stream_states[account].stream;
+        Xep.Ping.Module.get_module(stream).send_ping(stream, account.domainpart, ping_response_listener);
+
+        Timeout.add_seconds(5, () => {
+            if (stream_states[account].stream != stream) return false;
+            if (ping_response_listener.acked) return false;
+
+            change_connection_state(account, ConnectionState.DISCONNECTED);
+            try {
+                stream_states[account].stream.disconnect();
+            } catch (Error e) { }
+            return false;
+        });
+    }
+
+    private class PingResponseListenerImpl : Xep.Ping.ResponseListener, Object {
+        public bool acked = false;
+        ConnectionManager outer;
+        Account account;
+        public PingResponseListenerImpl(ConnectionManager outer, Account account) {
+            this.outer = outer;
+            this.account = account;
+        }
+        public void on_result(Core.XmppStream stream) {
+            print("ping ok\n");
+            acked = true;
+            outer.change_connection_state(account, ConnectionState.CONNECTED);
+        }
+    }
+
+    private void on_nm_state_changed(uint32 state) {
+        print("nm " + state.to_string() + "\n");
+        if (state == NetworkManager.CONNECTED_GLOBAL) {
+            check_reconnects();
+        } else {
+            foreach (Account account in connection_todo) {
+                change_connection_state(account, ConnectionState.DISCONNECTED);
+            }
+        }
+    }
+
+    private void on_prepare_for_sleep(bool suspend) {
+        foreach (Account account in connection_todo) {
+            change_connection_state(account, ConnectionState.DISCONNECTED);
+        }
+        if (suspend) {
+            print("suspend\n");
+            foreach (Account account in connection_todo) {
+                Xmpp.Presence.Stanza presence = new Xmpp.Presence.Stanza();
+                presence.type_ = Xmpp.Presence.Stanza.TYPE_UNAVAILABLE;
+                try {
+                    Presence.Module.get_module(stream_states[account].stream).send_presence(stream_states[account].stream, presence);
+                    stream_states[account].stream.disconnect();
+                } catch (Error e) { print(@"on_prepare_for_sleep error  $(e.message)\n"); }
+            }
+        } else {
+            print("un-suspend\n");
+            check_reconnects();
+        }
+    }
+
+    private void change_connection_state(Account account, ConnectionState state) {
+        stream_states[account].connection_state = state;
+        connection_state_changed(account, state);
+    }
+}
+
+}
diff --git a/libdino/src/service/conversation_manager.vala b/libdino/src/service/conversation_manager.vala
new file mode 100644
index 00000000..716c9b39
--- /dev/null
+++ b/libdino/src/service/conversation_manager.vala
@@ -0,0 +1,103 @@
+using Gee;
+
+using Xmpp;
+using Dino.Entities;
+
+namespace Dino {
+public class ConversationManager : StreamInteractionModule, Object {
+
+    public const string id = "conversation_manager";
+
+    public signal void conversation_activated(Conversation conversation);
+
+    private StreamInteractor stream_interactor;
+    private Database db;
+
+    private HashMap<Account, HashMap<Jid, Conversation>> conversations = new HashMap<Account, HashMap<Jid, Conversation>>(Account.hash_func, Account.equals_func);
+
+    public static void start(StreamInteractor stream_interactor, Database db) {
+        ConversationManager m = new ConversationManager(stream_interactor, db);
+        stream_interactor.add_module(m);
+    }
+
+    private ConversationManager(StreamInteractor stream_interactor, Database db) {
+        this.db = db;
+        this.stream_interactor = stream_interactor;
+        stream_interactor.add_module(this);
+        stream_interactor.account_added.connect(on_account_added);
+        MucManager.get_instance(stream_interactor).groupchat_joined.connect(on_groupchat_joined);
+        MessageManager.get_instance(stream_interactor).pre_message_received.connect(on_message_received);
+        MessageManager.get_instance(stream_interactor).message_sent.connect(on_message_sent);
+    }
+
+    public Conversation? get_conversation(Jid jid, Account account) {
+        if (conversations.has_key(account)) {
+            return conversations[account][jid];
+        }
+        return null;
+    }
+
+    public Conversation get_add_conversation(Jid jid, Account account) {
+        ensure_add_conversation(jid, account, Conversation.Type.CHAT);
+        return get_conversation(jid, account);
+    }
+
+    public void ensure_start_conversation(Jid jid, Account account) {
+        ensure_add_conversation(jid, account, Conversation.Type.CHAT);
+        Conversation? conversation = get_conversation(jid, account);
+        if (conversation != null) {
+            conversation.last_active = new DateTime.now_utc();
+            if (!conversation.active) {
+                conversation.active = true;
+                conversation_activated(conversation);
+            }
+        }
+
+    }
+
+    public string get_id() {
+        return id;
+    }
+
+    public static ConversationManager? get_instance(StreamInteractor stream_interaction) {
+        return (ConversationManager) stream_interaction.get_module(id);
+    }
+
+    private void on_account_added(Account account) {
+        conversations[account] = new HashMap<Jid, Conversation>(Jid.hash_bare_func, Jid.equals_bare_func);
+        foreach (Conversation conversation in db.get_conversations(account)) {
+            add_conversation(conversation);
+        }
+    }
+
+    private void on_message_received(Entities.Message message, Conversation conversation) {
+        ensure_start_conversation(conversation.counterpart, conversation.account);
+    }
+
+    private void on_message_sent(Entities.Message message, Conversation conversation) {
+        conversation.last_active = message.time;
+    }
+
+    private void on_groupchat_joined(Account account, Jid jid, string nick) {
+        ensure_add_conversation(jid, account, Conversation.Type.GROUPCHAT);
+        ensure_start_conversation(jid, account);
+    }
+
+    private void ensure_add_conversation(Jid jid, Account account, Conversation.Type type) {
+        if (conversations.has_key(account) && !conversations[account].has_key(jid)) {
+            Conversation conversation = new Conversation(jid, account);
+            conversation.type_ = type;
+            add_conversation(conversation);
+            db.add_conversation(conversation);
+        }
+    }
+
+    private void add_conversation(Conversation conversation) {
+        conversations[conversation.account][conversation.counterpart] = conversation;
+        if (conversation.active) {
+            conversation_activated(conversation);
+        }
+    }
+}
+
+}
\ No newline at end of file
diff --git a/libdino/src/service/counterpart_interaction_manager.vala b/libdino/src/service/counterpart_interaction_manager.vala
new file mode 100644
index 00000000..8ea8ba15
--- /dev/null
+++ b/libdino/src/service/counterpart_interaction_manager.vala
@@ -0,0 +1,99 @@
+using Gee;
+
+using Xmpp;
+using Dino.Entities;
+
+namespace Dino {
+public class CounterpartInteractionManager : StreamInteractionModule, Object {
+    public const string id = "counterpart_interaction_manager";
+
+    public signal void received_state(Account account, Jid jid, string state);
+    public signal void received_marker(Account account, Jid jid, Entities.Message message, string marker);
+    public signal void received_message_received(Account account, Jid jid, Entities.Message message);
+    public signal void received_message_displayed(Account account, Jid jid, Entities.Message message);
+
+    private StreamInteractor stream_interactor;
+    private HashMap<Jid, Entities.Message> last_read = new HashMap<Jid, Entities.Message>(Jid.hash_bare_func, Jid.equals_bare_func);
+    private HashMap<Jid, string> chat_states = new HashMap<Jid, string>(Jid.hash_bare_func, Jid.equals_bare_func);
+
+    public static void start(StreamInteractor stream_interactor) {
+        CounterpartInteractionManager m = new CounterpartInteractionManager(stream_interactor);
+        stream_interactor.add_module(m);
+    }
+
+    private CounterpartInteractionManager(StreamInteractor stream_interactor) {
+        this.stream_interactor = stream_interactor;
+        stream_interactor.account_added.connect(on_account_added);
+        MessageManager.get_instance(stream_interactor).message_received.connect(on_message_received);
+    }
+
+    public string? get_chat_state(Account account, Jid jid) {
+        return chat_states[jid];
+    }
+
+    public Entities.Message? get_last_read(Account account, Jid jid) {
+        return last_read[jid];
+    }
+
+    public static CounterpartInteractionManager? get_instance(StreamInteractor stream_interactor) {
+        return (CounterpartInteractionManager) stream_interactor.get_module(id);
+    }
+
+    internal string get_id() {
+        return id;
+    }
+
+    private void on_account_added(Account account) {
+        stream_interactor.module_manager.chat_markers_modules[account].marker_received.connect( (stream, jid, marker, id) => {
+            on_chat_marker_received(account, new Jid(jid), marker, id);
+        });
+        stream_interactor.module_manager.message_delivery_receipts_modules[account].receipt_received.connect((stream, jid, id) => {
+            on_receipt_received(account, new Jid(jid), id);
+        });
+        stream_interactor.module_manager.chat_state_notifications_modules[account].chat_state_received.connect((stream, jid, state) => {
+            on_chat_state_received(account, new Jid(jid), state);
+        });
+    }
+
+    private void on_chat_state_received(Account account, Jid jid, string state) {
+        chat_states[jid] = state;
+        received_state(account, jid, state);
+    }
+
+    private void on_chat_marker_received(Account account, Jid jid, string marker, string stanza_id) {
+        Conversation? conversation = ConversationManager.get_instance(stream_interactor).get_conversation(jid, account);
+        if (conversation != null) {
+            Gee.List<Entities.Message>? messages = MessageManager.get_instance(stream_interactor).get_messages(conversation);
+            if (messages != null) { // TODO not here
+                foreach (Entities.Message message in messages) {
+                    if (message.stanza_id == stanza_id) {
+                        switch (marker) {
+                            case Xep.ChatMarkers.MARKER_RECEIVED:
+                                received_message_received(account, jid, message);
+                                message.marked = Entities.Message.Marked.RECEIVED;
+                                break;
+                            case Xep.ChatMarkers.MARKER_DISPLAYED:
+                                last_read[jid] = message;
+                                received_message_displayed(account, jid, message);
+                                foreach (Entities.Message m in messages) {
+                                    if (m.equals(message)) break;
+                                    if (m.marked == Entities.Message.Marked.RECEIVED) m.marked = Entities.Message.Marked.READ;
+                                }
+                                message.marked = Entities.Message.Marked.READ;
+                                break;
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    private void on_message_received(Entities.Message message, Conversation conversation) {
+        on_chat_state_received(conversation.account, conversation.counterpart, Xep.ChatStateNotifications.STATE_ACTIVE);
+    }
+
+    private void on_receipt_received(Account account, Jid jid, string id) {
+        on_chat_marker_received(account, jid, Xep.ChatMarkers.MARKER_RECEIVED, id);
+    }
+}
+}
\ No newline at end of file
diff --git a/libdino/src/service/database.vala b/libdino/src/service/database.vala
new file mode 100644
index 00000000..13be6222
--- /dev/null
+++ b/libdino/src/service/database.vala
@@ -0,0 +1,466 @@
+using Gee;
+using Sqlite;
+using Qlite;
+
+using Dino.Entities;
+
+namespace Dino {
+
+public class Database : Qlite.Database {
+    private const int VERSION = 0;
+
+    public class AccountTable : Table {
+        public Column<int> id = new Column.Integer("id") { primary_key = true, auto_increment = true };
+        public Column<string> bare_jid = new Column.Text("bare_jid") { unique = true, not_null = true };
+        public Column<string> resourcepart = new Column.Text("resourcepart");
+        public Column<string> password = new Column.Text("password");
+        public Column<string> alias = new Column.Text("alias");
+        public Column<bool> enabled = new Column.BoolInt("enabled");
+
+        protected AccountTable(Database db) {
+            base(db, "account");
+            init({id, bare_jid, resourcepart, password, alias, enabled});
+        }
+    }
+
+    public class JidTable : Table {
+        public Column<int> id = new Column.Integer("id") { primary_key = true, auto_increment = true };
+        public Column<string> bare_jid = new Column.Text("bare_jid") { unique = true, not_null = true };
+
+        protected JidTable(Database db) {
+            base(db, "jid");
+            init({id, bare_jid});
+        }
+    }
+
+    public class MessageTable : Table {
+        public Column<int> id = new Column.Integer("id") { primary_key = true, auto_increment = true };
+        public Column<string> stanza_id = new Column.Text("stanza_id");
+        public Column<int> account_id = new Column.Integer("account_id") { not_null = true };
+        public Column<int> counterpart_id = new Column.Integer("counterpart_id") { not_null = true };
+        public Column<string> counterpart_resource = new Column.Text("counterpart_resource");
+        public Column<string> our_resource = new Column.Text("our_resource");
+        public Column<bool> direction = new Column.BoolInt("direction") { not_null = true };
+        public Column<int> type_ = new Column.Integer("type");
+        public Column<long> time = new Column.Long("time");
+        public Column<long> local_time = new Column.Long("local_time");
+        public Column<string> body = new Column.Text("body");
+        public Column<int> encryption = new Column.Integer("encryption");
+        public Column<int> marked = new Column.Integer("marked");
+
+        protected MessageTable(Database db) {
+            base(db, "message");
+            init({id, stanza_id, account_id, counterpart_id, our_resource, counterpart_resource, direction,
+                type_, time, local_time, body, encryption, marked});
+        }
+    }
+
+    public class RealJidTable : Table {
+        public Column<int> message_id = new Column.Integer("message_id") { primary_key = true };
+        public Column<string> real_jid = new Column.Text("real_jid");
+
+        protected RealJidTable(Database db) {
+            base(db, "real_jid");
+            init({message_id, real_jid});
+        }
+    }
+
+    public class UndecryptedTable : Table {
+        public Column<int> message_id = new Column.Integer("message_id");
+        public Column<int> type_ = new Column.Integer("type");
+        public Column<string> data = new Column.Text("data");
+
+        protected UndecryptedTable(Database db) {
+            base(db, "undecrypted");
+            init({message_id, type_, data});
+        }
+    }
+
+    public class ConversationTable : Table {
+        public Column<int> id = new Column.Integer("id") { primary_key = true, auto_increment = true };
+        public Column<int> account_id = new Column.Integer("account_id") { not_null = true };
+        public Column<int> jid_id = new Column.Integer("jid_id") { not_null = true };
+        public Column<bool> active = new Column.BoolInt("active");
+        public Column<long> last_active = new Column.Long("last_active");
+        public Column<int> type_ = new Column.Integer("type");
+        public Column<int> encryption = new Column.Integer("encryption");
+        public Column<int> read_up_to = new Column.Integer("read_up_to");
+
+        protected ConversationTable(Database db) {
+            base(db, "conversation");
+            init({id, account_id, jid_id, active, last_active, type_, encryption, read_up_to});
+        }
+    }
+
+    public class AvatarTable : Table {
+        public Column<string> jid = new Column.Text("jid");
+        public Column<string> hash = new Column.Text("hash");
+        public Column<int> type_ = new Column.Integer("type");
+
+        protected AvatarTable(Database db) {
+            base(db, "avatar");
+            init({jid, hash, type_});
+        }
+    }
+
+    public class PgpTable : Table {
+        public Column<string> jid = new Column.Text("jid") { primary_key = true };
+        public Column<string> key = new Column.Text("key") { not_null = true };
+
+        protected PgpTable(Database db) {
+            base(db, "pgp");
+            init({jid, key});
+        }
+    }
+
+    public class EntityFeatureTable : Table {
+        public Column<string> entity = new Column.Text("entity");
+        public Column<string> feature = new Column.Text("feature");
+
+        protected EntityFeatureTable(Database db) {
+            base(db, "entity_feature");
+            init({entity, feature});
+        }
+    }
+
+    public AccountTable account { get; private set; }
+    public JidTable jid { get; private set; }
+    public MessageTable message { get; private set; }
+    public RealJidTable real_jid { get; private set; }
+    public ConversationTable conversation { get; private set; }
+    public AvatarTable avatar { get; private set; }
+    public PgpTable pgp { get; private set; }
+    public EntityFeatureTable entity_feature { get; private set; }
+
+    public Database(string fileName) {
+        base(fileName, VERSION);
+        account = new AccountTable(this);
+        jid = new JidTable(this);
+        message = new MessageTable(this);
+        real_jid = new RealJidTable(this);
+        conversation = new ConversationTable(this);
+        avatar = new AvatarTable(this);
+        pgp = new PgpTable(this);
+        entity_feature = new EntityFeatureTable(this);
+        init({ account, jid, message, real_jid, conversation, avatar, pgp, entity_feature });
+    }
+
+    public override void migrate(long oldVersion) {
+        // new table columns are added, outdated columns are still present
+    }
+
+    public void add_account(Account new_account) {
+        new_account.id = (int) account.insert()
+                .value(account.bare_jid, new_account.bare_jid.to_string())
+                .value(account.resourcepart, new_account.resourcepart)
+                .value(account.password, new_account.password)
+                .value(account.alias, new_account.alias)
+                .value(account.enabled, new_account.enabled)
+                .perform();
+        new_account.notify.connect(on_account_update);
+    }
+
+    private void on_account_update(Object o, ParamSpec sp) {
+        Account changed_account = (Account) o;
+        account.update().with(account.id, "=", changed_account.id)
+                .set(account.bare_jid, changed_account.bare_jid.to_string())
+                .set(account.resourcepart, changed_account.resourcepart)
+                .set(account.password, changed_account.password)
+                .set(account.alias, changed_account.alias)
+                .set(account.enabled, changed_account.enabled)
+                .perform();
+    }
+
+    public void remove_account(Account to_delete) {
+        account.delete().with(account.bare_jid, "=", to_delete.bare_jid.to_string()).perform();
+    }
+
+    public ArrayList<Account> get_accounts() {
+        ArrayList<Account> ret = new ArrayList<Account>();
+        foreach(Row row in account.select()) {
+            Account account = get_account_from_row(row);
+            account.notify.connect(on_account_update);
+            ret.add(account);
+        }
+        return ret;
+    }
+
+    private Account? get_account_by_id(int id) {
+        Row? row = account.row_with(account.id, id);
+        if (row != null) {
+            return get_account_from_row(row);
+        }
+        return null;
+    }
+
+    private Account get_account_from_row(Row row) {
+        Account new_account = new Account.from_bare_jid(row[account.bare_jid]);
+
+        new_account.id = row[account.id];
+        new_account.resourcepart = row[account.resourcepart];
+        new_account.password = row[account.password];
+        new_account.alias = row[account.alias];
+        new_account.enabled = row[account.enabled];
+        return new_account;
+    }
+
+    public void add_message(Message new_message, Account account) {
+        InsertBuilder builder = message.insert()
+            .value(message.account_id, new_message.account.id)
+            .value(message.counterpart_id, get_jid_id(new_message.counterpart))
+            .value(message.counterpart_resource, new_message.counterpart.resourcepart)
+            .value(message.our_resource, new_message.ourpart.resourcepart)
+            .value(message.direction, new_message.direction)
+            .value(message.type_, new_message.type_)
+            .value(message.time, (long) new_message.time.to_unix())
+            .value(message.local_time, (long) new_message.local_time.to_unix())
+            .value(message.body, new_message.body)
+            .value(message.encryption, new_message.encryption)
+            .value(message.marked, new_message.marked);
+        if (new_message.stanza_id != null) builder.value(message.stanza_id, new_message.stanza_id);
+        new_message.id = (int) builder.perform();
+
+        if (new_message.real_jid != null) {
+            real_jid.insert()
+                .value(real_jid.message_id, new_message.id)
+                .value(real_jid.real_jid, new_message.real_jid)
+                .perform();
+        }
+        new_message.notify.connect(on_message_update);
+    }
+
+    private void on_message_update(Object o, ParamSpec sp) {
+        Message changed_message = (Message) o;
+        UpdateBuilder update_builder = message.update().with(message.id, "=", changed_message.id);
+        switch (sp.get_name()) {
+            case "stanza_id":
+                update_builder.set(message.stanza_id, changed_message.stanza_id); break;
+            case "counterpart":
+                update_builder.set(message.counterpart_id, get_jid_id(changed_message.counterpart));
+                update_builder.set(message.counterpart_resource, changed_message.counterpart.resourcepart); break;
+            case "ourpart":
+                update_builder.set(message.our_resource, changed_message.ourpart.resourcepart); break;
+            case "direction":
+                update_builder.set(message.direction, changed_message.direction); break;
+            case "type_":
+                update_builder.set(message.type_, changed_message.type_); break;
+            case "time":
+                update_builder.set(message.time, (long) changed_message.time.to_unix()); break;
+            case "local_time":
+                update_builder.set(message.local_time, (long) changed_message.local_time.to_unix()); break;
+            case "body":
+                update_builder.set(message.body, changed_message.body); break;
+            case "encryption":
+                update_builder.set(message.encryption, changed_message.encryption); break;
+            case "marked":
+                update_builder.set(message.marked, changed_message.marked); break;
+        }
+        update_builder.perform();
+
+        if (sp.get_name() == "real_jid") {
+            real_jid.insert()
+                .value(real_jid.message_id, changed_message.id)
+                .value(real_jid.real_jid, changed_message.real_jid)
+                .perform();
+        }
+    }
+
+    public Gee.List<Message> get_messages(Jid jid, Account account, int count, Message? before) {
+        string jid_id = get_jid_id(jid).to_string();
+
+        QueryBuilder select = message.select()
+                .with(message.counterpart_id, "=", get_jid_id(jid))
+                .with(message.account_id, "=", account.id)
+                .order_by(message.id, "DESC")
+                .limit(count);
+        if (before != null) {
+            select.with(message.time, "<", (long) before.time.to_unix());
+        }
+
+        LinkedList<Message> ret = new LinkedList<Message>();
+        foreach (Row row in select) {
+            ret.insert(0, get_message_from_row(row));
+        }
+        return ret;
+    }
+
+    public Gee.List<Message> get_unsend_messages(Account account) {
+        Gee.List<Message> ret = new ArrayList<Message>();
+        foreach (Row row in message.select().with(message.marked, "=", (int) Message.Marked.UNSENT)) {
+            ret.add(get_message_from_row(row));
+        }
+        return ret;
+    }
+
+    public bool contains_message(Message query_message, Account account) {
+        int jid_id = get_jid_id(query_message.counterpart);
+        return message.select()
+                .with(message.account_id, "=", account.id)
+                .with(message.stanza_id, "=", query_message.stanza_id)
+                .with(message.counterpart_id, "=", jid_id)
+                .with(message.counterpart_resource, "=", query_message.counterpart.resourcepart)
+                .with(message.body, "=", query_message.body)
+                .with(message.time, "<", (long) query_message.time.add_minutes(1).to_unix())
+                .with(message.time, ">", (long) query_message.time.add_minutes(-1).to_unix())
+                .count() > 0;
+    }
+
+    public bool contains_message_by_stanza_id(string stanza_id) {
+        return message.select()
+                .with(message.stanza_id, "=", stanza_id)
+                .count() > 0;
+    }
+
+    public Message? get_message_by_id(int id) {
+        Row? row = message.row_with(message.id, id);
+        if (row != null) {
+            return get_message_from_row(row);
+        }
+        return null;
+    }
+
+    public Message get_message_from_row(Row row) {
+        Message new_message = new Message();
+
+        new_message.id = row[message.id];
+        new_message.stanza_id = row[message.stanza_id];
+        string from = get_jid_by_id(row[message.counterpart_id]);
+        string from_resource = row[message.counterpart_resource];
+        if (from_resource != null) {
+            new_message.counterpart = new Jid(from + "/" + from_resource);
+        } else {
+            new_message.counterpart = new Jid(from);
+        }
+        new_message.direction = row[message.direction];
+        new_message.type_ = (Message.Type) row[message.type_];
+        new_message.time = new DateTime.from_unix_utc(row[message.time]);
+        new_message.body = row[message.body];
+        new_message.account = get_account_by_id(row[message.account_id]); // TODO dont have to generate acc new
+        new_message.marked = (Message.Marked) row[message.marked];
+        new_message.encryption = (Message.Encryption) row[message.encryption];
+        new_message.real_jid = get_real_jid_for_message(new_message);
+
+        new_message.notify.connect(on_message_update);
+        return new_message;
+    }
+
+    public string? get_real_jid_for_message(Message message) {
+        return real_jid.select({real_jid.real_jid}).with(real_jid.message_id, "=", message.id)[real_jid.real_jid];
+    }
+
+    public void add_conversation(Conversation new_conversation) {
+        var insert = conversation.insert()
+                .value(conversation.jid_id, get_jid_id(new_conversation.counterpart))
+                .value(conversation.account_id, new_conversation.account.id)
+                .value(conversation.type_, new_conversation.type_)
+                .value(conversation.encryption, new_conversation.encryption)
+                //.value(conversation.read_up_to, new_conversation.read_up_to)
+                .value(conversation.active, new_conversation.active);
+        if (new_conversation.last_active != null) {
+            insert.value(conversation.last_active, (long) new_conversation.last_active.to_unix());
+        } else {
+            insert.value_null(conversation.last_active);
+        }
+        new_conversation.id = (int) insert.perform();
+        new_conversation.notify.connect(on_conversation_update);
+    }
+
+    public ArrayList<Conversation> get_conversations(Account account) {
+        ArrayList<Conversation> ret = new ArrayList<Conversation>();
+        foreach (Row row in conversation.select().with(conversation.account_id, "=", account.id)) {
+            ret.add(get_conversation_from_row(row));
+        }
+        return ret;
+    }
+
+    private void on_conversation_update(Object o, ParamSpec sp) {
+        Conversation changed_conversation = (Conversation) o;
+        var update = conversation.update().with(conversation.jid_id, "=", get_jid_id(changed_conversation.counterpart)).with(conversation.account_id, "=", changed_conversation.account.id)
+                .set(conversation.type_, changed_conversation.type_)
+                .set(conversation.encryption, changed_conversation.encryption)
+                //.set(conversation.read_up_to, changed_conversation.read_up_to)
+                .set(conversation.active, changed_conversation.active);
+        if (changed_conversation.last_active != null) {
+            update.set(conversation.last_active, (long) changed_conversation.last_active.to_unix());
+        } else {
+            update.set_null(conversation.last_active);
+        }
+        update.perform();
+    }
+
+    private Conversation get_conversation_from_row(Row row) {
+        Conversation new_conversation = new Conversation(new Jid(get_jid_by_id(row[conversation.jid_id])), get_account_by_id(row[conversation.account_id]));
+
+        new_conversation.id = row[conversation.id];
+        new_conversation.active = row[conversation.active];
+        int64? last_active = row[conversation.last_active];
+        if (last_active != null) new_conversation.last_active = new DateTime.from_unix_utc(last_active);
+        new_conversation.type_ = (Conversation.Type) row[conversation.type_];
+        new_conversation.encryption = (Conversation.Encryption) row[conversation.encryption];
+        int? read_up_to = row[conversation.read_up_to];
+        if (read_up_to != null) new_conversation.read_up_to = get_message_by_id(read_up_to);
+
+        new_conversation.notify.connect(on_conversation_update);
+        return new_conversation;
+    }
+
+    public void set_avatar_hash(Jid jid, string hash, int type) {
+        avatar.insert().or("REPLACE")
+                .value(avatar.jid, jid.to_string())
+                .value(avatar.hash, hash)
+                .value(avatar.type_, type)
+                .perform();
+    }
+
+    public HashMap<Jid, string> get_avatar_hashes(int type) {
+        HashMap<Jid, string> ret = new HashMap<Jid, string>(Jid.hash_func, Jid.equals_func);
+        foreach (Row row in avatar.select({avatar.jid, avatar.hash}).with(avatar.type_, "=", type)) {
+            ret[new Jid(row[avatar.jid])] = row[avatar.hash];
+        }
+        return ret;
+    }
+
+    public void set_pgp_key(Jid jid, string key) {
+        pgp.insert().or("REPLACE")
+                .value(pgp.jid, jid.to_string())
+                .value(pgp.key, key)
+                .perform();
+    }
+
+    public string? get_pgp_key(Jid jid) {
+        return pgp.select({pgp.key}).with(pgp.jid, "=", jid.to_string())[pgp.key];
+    }
+
+    public void add_entity_features(string entity, ArrayList<string> features) {
+        foreach (string feature in features) {
+            entity_feature.insert()
+                    .value(entity_feature.entity, entity)
+                    .value(entity_feature.feature, feature)
+                    .perform();
+        }
+    }
+
+    public ArrayList<string> get_entity_features(string entity) {
+        ArrayList<string> ret = new ArrayList<string>();
+        foreach (Row row in entity_feature.select({entity_feature.feature}).with(entity_feature.entity, "=", entity)) {
+            ret.add(row[entity_feature.feature]);
+        }
+        return ret;
+    }
+
+
+    private int get_jid_id(Jid jid_obj) {
+        Row? row = jid.row_with(jid.bare_jid, jid_obj.bare_jid.to_string());
+        return row != null ? row[jid.id] : add_jid(jid_obj);
+    }
+
+    private string? get_jid_by_id(int id) {
+        return jid.select({jid.bare_jid}).with(jid.id, "=", id)[jid.bare_jid];
+    }
+
+    private int add_jid(Jid jid_obj) {
+        return (int) jid.insert().value(jid.bare_jid, jid_obj.bare_jid.to_string()).perform();
+    }
+}
+
+}
\ No newline at end of file
diff --git a/libdino/src/service/entity_capabilities_storage.vala b/libdino/src/service/entity_capabilities_storage.vala
new file mode 100644
index 00000000..9774739a
--- /dev/null
+++ b/libdino/src/service/entity_capabilities_storage.vala
@@ -0,0 +1,23 @@
+using Gee;
+
+using Xmpp;
+
+namespace Dino {
+
+public class EntityCapabilitiesStorage : Xep.EntityCapabilities.Storage, Object {
+
+    private Database db;
+
+    public EntityCapabilitiesStorage(Database db) {
+        this.db = db;
+    }
+
+    public void store_features(string entity, ArrayList<string> features) {
+        db.add_entity_features(entity, features);
+    }
+
+    public ArrayList<string> get_features(string entitiy) {
+        return db.get_entity_features(entitiy);
+    }
+}
+}
\ No newline at end of file
diff --git a/libdino/src/service/message_manager.vala b/libdino/src/service/message_manager.vala
new file mode 100644
index 00000000..ec7a35c8
--- /dev/null
+++ b/libdino/src/service/message_manager.vala
@@ -0,0 +1,193 @@
+using Gee;
+
+using Xmpp;
+using Dino.Entities;
+
+namespace Dino {
+
+public class MessageManager : StreamInteractionModule, Object {
+    public const string ID = "message_manager";
+
+    public signal void pre_message_received(Entities.Message message, Conversation conversation);
+    public signal void message_received(Entities.Message message, Conversation conversation);
+    public signal void message_sent(Entities.Message message, Conversation conversation);
+
+    private StreamInteractor stream_interactor;
+    private Database db;
+    private HashMap<Conversation, ArrayList<Entities.Message>> messages = new HashMap<Conversation, ArrayList<Entities.Message>>(Conversation.hash_func, Conversation.equals_func);
+
+    public static void start(StreamInteractor stream_interactor, Database db) {
+        MessageManager m = new MessageManager(stream_interactor, db);
+        stream_interactor.add_module(m);
+    }
+
+    private MessageManager(StreamInteractor stream_interactor, Database db) {
+        this.stream_interactor = stream_interactor;
+        this.db = db;
+        stream_interactor.account_added.connect(on_account_added);
+        stream_interactor.connection_manager.connection_state_changed.connect((account, state) => {
+            if (state == ConnectionManager.ConnectionState.CONNECTED) send_unsent_messages(account);
+        });
+    }
+
+    public void send_message(string text, Conversation conversation) {
+        Entities.Message message = create_out_message(text, conversation);
+        add_message(message, conversation);
+        db.add_message(message, conversation.account);
+        send_xmpp_message(message, conversation);
+        message_sent(message, conversation);
+    }
+
+    public Gee.List<Entities.Message>? get_messages(Conversation conversation) {
+        if (messages.has_key(conversation) && messages[conversation].size > 0) {
+            Gee.List<Entities.Message> db_messages = db.get_messages(conversation.counterpart, conversation.account, 50, messages[conversation][0]);
+            db_messages.add_all(messages[conversation]);
+            return db_messages;
+        } else {
+            Gee.List<Entities.Message> db_messages = db.get_messages(conversation.counterpart, conversation.account, 50, null);
+            return db_messages;
+        }
+    }
+
+    public Entities.Message? get_last_message(Conversation conversation) {
+        if (messages.has_key(conversation) && messages[conversation].size > 0) {
+            return messages[conversation][messages[conversation].size - 1];
+        } else {
+            Gee.List<Entities.Message> db_messages = db.get_messages(conversation.counterpart, conversation.account, 1, null);
+            if (db_messages.size >= 1) {
+                return db_messages[0];
+            }
+        }
+        return null;
+    }
+
+    public Gee.List<Entities.Message>? get_messages_before(Conversation? conversation, Entities.Message before) {
+        Gee.List<Entities.Message> db_messages = db.get_messages(conversation.counterpart, conversation.account, 20, before);
+        return db_messages;
+    }
+
+    public string get_id() {
+        return ID;
+    }
+
+    public static MessageManager? get_instance(StreamInteractor stream_interactor) {
+        return (MessageManager) stream_interactor.get_module(ID);
+    }
+
+    private void on_account_added(Account account) {
+        stream_interactor.module_manager.message_modules[account].received_message.connect( (stream, message) => {
+            on_message_received(account, message);
+        });
+        stream_interactor.stream_negotiated.connect(send_unsent_messages);
+    }
+
+    private void send_unsent_messages(Account account) {
+        Gee.List<Entities.Message> unsend_messages = db.get_unsend_messages(account);
+        foreach (Entities.Message message in unsend_messages) {
+            Conversation conversation = ConversationManager.get_instance(stream_interactor).get_conversation(message.counterpart, account);
+            send_xmpp_message(message, conversation, true);
+        }
+    }
+
+    private void on_message_received(Account account, Xmpp.Message.Stanza message) {
+        if (message.body == null) return;
+
+        Entities.Message new_message = new Entities.Message();
+        new_message.account = account;
+        new_message.stanza_id = message.id;
+        Jid from_jid = new Jid(message.from);
+        if (!account.bare_jid.equals_bare(from_jid) ||
+                MucManager.get_instance(stream_interactor).get_nick(from_jid.bare_jid, account) == from_jid.resourcepart) {
+            new_message.direction = Entities.Message.DIRECTION_RECEIVED;
+        } else {
+            new_message.direction = Entities.Message.DIRECTION_SENT;
+        }
+        new_message.counterpart = new_message.direction == Entities.Message.DIRECTION_SENT ? new Jid(message.to) : new Jid(message.from);
+        new_message.ourpart = new_message.direction == Entities.Message.DIRECTION_SENT ? new Jid(message.from) : new Jid(message.to);
+        new_message.body = message.body;
+        new_message.stanza = message;
+        new_message.set_type_string(message.type_);
+        Xep.DelayedDelivery.MessageFlag? deleyed_delivery_flag = Xep.DelayedDelivery.MessageFlag.get_flag(message);
+        new_message.time = deleyed_delivery_flag != null ? deleyed_delivery_flag.datetime : new DateTime.now_utc();
+        new_message.local_time = new DateTime.now_utc();
+        if (Xep.Pgp.MessageFlag.get_flag(message) != null) {
+            new_message.encryption = Entities.Message.Encryption.PGP;
+        }
+        Conversation conversation = ConversationManager.get_instance(stream_interactor).get_add_conversation(new_message.counterpart, account);
+        pre_message_received(new_message, conversation);
+
+        bool is_uuid = new_message.stanza_id != null && Regex.match_simple("""[0-9A-Fa-f]{8}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{12}""", new_message.stanza_id);
+        if ((is_uuid && !db.contains_message_by_stanza_id(new_message.stanza_id)) ||
+            (!is_uuid && !db.contains_message(new_message, conversation.account))) {
+            db.add_message(new_message, conversation.account);
+            add_message(new_message, conversation);
+            if (new_message.time.difference(conversation.last_active) > 0) {
+                conversation.last_active = new_message.time;
+            }
+            if (new_message.direction == Entities.Message.DIRECTION_SENT) {
+                message_sent(new_message, conversation);
+            } else {
+                message_received(new_message, conversation);
+            }
+        }
+    }
+
+    private void add_message(Entities.Message message, Conversation conversation) {
+        if (!messages.has_key(conversation)) {
+            messages[conversation] = new ArrayList<Entities.Message>(Entities.Message.equals_func);
+        }
+        messages[conversation].add(message);
+    }
+
+    private Entities.Message create_out_message(string text, Conversation conversation) {
+        Entities.Message message = new Entities.Message();
+        message.stanza_id = random_uuid();
+        message.account = conversation.account;
+        message.body = text;
+        message.time = new DateTime.now_utc();
+        message.local_time = new DateTime.now_utc();
+        message.direction = Entities.Message.DIRECTION_SENT;
+        message.counterpart = conversation.counterpart;
+        message.ourpart = new Jid(conversation.account.bare_jid.to_string() + "/" + conversation.account.resourcepart);
+
+        if (conversation.encryption == Conversation.Encryption.PGP) {
+            message.encryption = Entities.Message.Encryption.PGP;
+        }
+        return message;
+    }
+
+    private void send_xmpp_message(Entities.Message message, Conversation conversation, bool delayed = false) {
+        Core.XmppStream stream = stream_interactor.get_stream(conversation.account);
+        message.marked = Entities.Message.Marked.NONE;
+        if (stream != null) {
+            Xmpp.Message.Stanza new_message = new Xmpp.Message.Stanza(message.stanza_id);
+            new_message.to = message.counterpart.to_string();
+            new_message.body = message.body;
+            if (conversation.type_ == Conversation.Type.GROUPCHAT) {
+                new_message.type_ = Xmpp.Message.Stanza.TYPE_GROUPCHAT;
+            } else {
+                new_message.type_ = Xmpp.Message.Stanza.TYPE_CHAT;
+            }
+            if (message.encryption == Entities.Message.Encryption.PGP) {
+                string? key_id = PgpManager.get_instance(stream_interactor).get_key_id(conversation.account, message.counterpart);
+                if (key_id != null) {
+                    bool encrypted = Xep.Pgp.Module.get_module(stream).encrypt(new_message, key_id);
+                    if (!encrypted) {
+                        message.marked = Entities.Message.Marked.WONTSEND;
+                        return;
+                    }
+                }
+            }
+            if (delayed) {
+                Xmpp.Xep.DelayedDelivery.Module.get_module(stream).set_message_delay(new_message, message.time);
+            }
+            Xmpp.Message.Module.get_module(stream).send_message(stream, new_message);
+            message.stanza_id = new_message.id;
+            message.stanza = new_message;
+        } else {
+            message.marked = Entities.Message.Marked.UNSENT;
+        }
+    }
+}
+
+}
\ No newline at end of file
diff --git a/libdino/src/service/module_manager.vala b/libdino/src/service/module_manager.vala
new file mode 100644
index 00000000..5ef93da8
--- /dev/null
+++ b/libdino/src/service/module_manager.vala
@@ -0,0 +1,96 @@
+using Gee;
+
+using Dino.Entities;
+using Xmpp;
+
+namespace Dino {
+
+public class ModuleManager {
+
+    public HashMap<Account, Tls.Module> tls_modules = new HashMap<Account, Tls.Module>();
+    public HashMap<Account, PlainSasl.Module> plain_sasl_modules = new HashMap<Account, PlainSasl.Module>();
+    public HashMap<Account, Bind.Module> bind_modules = new HashMap<Account, Bind.Module>();
+    public HashMap<Account, Roster.Module> roster_modules = new HashMap<Account, Roster.Module>();
+    public HashMap<Account, Xep.ServiceDiscovery.Module> service_discovery_modules = new HashMap<Account, Xep.ServiceDiscovery.Module>();
+    public HashMap<Account, Xep.PrivateXmlStorage.Module> private_xmp_storage_modules = new HashMap<Account, Xep.PrivateXmlStorage.Module>();
+    public HashMap<Account, Xep.Bookmarks.Module> bookmarks_module = new HashMap<Account, Xep.Bookmarks.Module>();
+    public HashMap<Account, Presence.Module> presence_modules = new HashMap<Account, Presence.Module>();
+    public HashMap<Account, Xmpp.Message.Module> message_modules = new HashMap<Account, Xmpp.Message.Module>();
+    public HashMap<Account, Xep.MessageCarbons.Module> message_carbons_modules = new HashMap<Account, Xep.MessageCarbons.Module>();
+    public HashMap<Account, Xep.Muc.Module> muc_modules = new HashMap<Account, Xep.Muc.Module>();
+    public HashMap<Account, Xep.Pgp.Module> pgp_modules = new HashMap<Account, Xep.Pgp.Module>();
+    public HashMap<Account, Xep.Pubsub.Module> pubsub_modules = new HashMap<Account, Xep.Pubsub.Module>();
+    public HashMap<Account, Xep.EntityCapabilities.Module> entity_capabilities_modules = new HashMap<Account, Xep.EntityCapabilities.Module>();
+    public HashMap<Account, Xep.UserAvatars.Module> user_avatars_modules = new HashMap<Account, Xep.UserAvatars.Module>();
+    public HashMap<Account, Xep.VCard.Module> vcard_modules = new HashMap<Account, Xep.VCard.Module>();
+    public HashMap<Account, Xep.MessageDeliveryReceipts.Module> message_delivery_receipts_modules = new HashMap<Account, Xep.MessageDeliveryReceipts.Module>();
+    public HashMap<Account, Xep.ChatStateNotifications.Module> chat_state_notifications_modules = new HashMap<Account, Xep.ChatStateNotifications.Module>();
+    public HashMap<Account, Xep.ChatMarkers.Module> chat_markers_modules = new HashMap<Account, Xep.ChatMarkers.Module>();
+    public HashMap<Account, Xep.Ping.Module> ping_modules = new HashMap<Account, Xep.Ping.Module>();
+    public HashMap<Account, Xep.DelayedDelivery.Module> delayed_delivery_module = new HashMap<Account, Xep.DelayedDelivery.Module>();
+    public HashMap<Account, StreamError.Module> stream_error_modules = new HashMap<Account, StreamError.Module>();
+
+    private AvatarStorage avatar_storage = new AvatarStorage("./");
+    private EntityCapabilitiesStorage entity_capabilities_storage;
+
+    public ModuleManager(Database db) {
+        entity_capabilities_storage = new EntityCapabilitiesStorage(db);
+    }
+
+    public ArrayList<Core.XmppStreamModule> get_modules(Account account, string? resource = null) {
+        ArrayList<Core.XmppStreamModule> modules = new ArrayList<Core.XmppStreamModule>();
+
+        if (!tls_modules.has_key(account)) add_account(account);
+
+        modules.add(tls_modules[account]);
+        modules.add(plain_sasl_modules[account]);
+        modules.add(new Bind.Module(resource == null ? account.resourcepart : resource));
+        modules.add(roster_modules[account]);
+        modules.add(service_discovery_modules[account]);
+        modules.add(private_xmp_storage_modules[account]);
+        modules.add(bookmarks_module[account]);
+        modules.add(presence_modules[account]);
+        modules.add(message_modules[account]);
+        modules.add(message_carbons_modules[account]);
+        modules.add(muc_modules[account]);
+        modules.add(pgp_modules[account]);
+        modules.add(pubsub_modules[account]);
+        modules.add(entity_capabilities_modules[account]);
+        modules.add(user_avatars_modules[account]);
+        modules.add(vcard_modules[account]);
+        modules.add(message_delivery_receipts_modules[account]);
+        modules.add(chat_state_notifications_modules[account]);
+        modules.add(chat_markers_modules[account]);
+        modules.add(ping_modules[account]);
+        modules.add(delayed_delivery_module[account]);
+        modules.add(stream_error_modules[account]);
+        return modules;
+    }
+
+    public void add_account(Account account) {
+        tls_modules[account] = new Tls.Module();
+        plain_sasl_modules[account] = new PlainSasl.Module(account.bare_jid.to_string(), account.password);
+        bind_modules[account] = new Bind.Module(account.resourcepart);
+        roster_modules[account] = new Roster.Module();
+        service_discovery_modules[account] = new Xep.ServiceDiscovery.Module.with_identity("client", "pc");
+        private_xmp_storage_modules[account] = new Xep.PrivateXmlStorage.Module();
+        bookmarks_module[account] = new Xep.Bookmarks.Module();
+        presence_modules[account] = new Presence.Module();
+        message_modules[account] = new Xmpp.Message.Module();
+        message_carbons_modules[account] = new Xep.MessageCarbons.Module();
+        muc_modules[account] = new Xep.Muc.Module();
+        pgp_modules[account] = new Xep.Pgp.Module();
+        pubsub_modules[account] = new Xep.Pubsub.Module();
+        entity_capabilities_modules[account] = new Xep.EntityCapabilities.Module(entity_capabilities_storage);
+        user_avatars_modules[account] = new Xep.UserAvatars.Module(avatar_storage);
+        vcard_modules[account] = new Xep.VCard.Module(avatar_storage);
+        message_delivery_receipts_modules[account] = new Xep.MessageDeliveryReceipts.Module();
+        chat_state_notifications_modules[account] = new Xep.ChatStateNotifications.Module();
+        chat_markers_modules[account] = new Xep.ChatMarkers.Module();
+        ping_modules[account] = new Xep.Ping.Module();
+        delayed_delivery_module[account] = new Xep.DelayedDelivery.Module();
+        stream_error_modules[account] = new StreamError.Module();
+    }
+}
+
+}
\ No newline at end of file
diff --git a/libdino/src/service/muc_manager.vala b/libdino/src/service/muc_manager.vala
new file mode 100644
index 00000000..be23d391
--- /dev/null
+++ b/libdino/src/service/muc_manager.vala
@@ -0,0 +1,224 @@
+using Gee;
+
+using Xmpp;
+using Dino.Entities;
+
+namespace Dino {
+public class MucManager : StreamInteractionModule, Object {
+    public const string id = "muc_manager";
+
+    public signal void groupchat_joined(Account account, Jid jid, string nick);
+    public signal void groupchat_subject_set(Account account, Jid jid, string subject);
+    public signal void bookmarks_updated(Account account, ArrayList<Xep.Bookmarks.Conference> conferences);
+
+    private StreamInteractor stream_interactor;
+    protected HashMap<Jid, Xep.Bookmarks.Conference> conference_bookmarks = new HashMap<Jid, Xep.Bookmarks.Conference>();
+
+    public static void start(StreamInteractor stream_interactor) {
+        MucManager m = new MucManager(stream_interactor);
+        stream_interactor.add_module(m);
+    }
+
+    private MucManager(StreamInteractor stream_interactor) {
+        this.stream_interactor = stream_interactor;
+        stream_interactor.account_added.connect(on_account_added);
+        stream_interactor.stream_negotiated.connect(on_stream_negotiated);
+        MessageManager.get_instance(stream_interactor).pre_message_received.connect(on_pre_message_received);
+    }
+
+    public void join(Account account, Jid jid, string nick, string? password = null) {
+        Core.XmppStream stream = stream_interactor.get_stream(account);
+        if (stream != null) Xep.Muc.Module.get_module(stream).enter(stream, jid.bare_jid.to_string(), nick, password, new MucEnterListenerImpl(this, jid, nick, account));
+    }
+
+    public void part(Account account, Jid jid) {
+        Core.XmppStream stream = stream_interactor.get_stream(account);
+        if (stream != null) Xep.Muc.Module.get_module(stream).exit(stream, jid.bare_jid.to_string());
+    }
+
+    public void change_subject(Account account, Jid jid, string subject) {
+        Core.XmppStream stream = stream_interactor.get_stream(account);
+        if (stream != null) Xep.Muc.Module.get_module(stream).change_subject(stream, jid.bare_jid.to_string(), subject);
+    }
+
+    public void change_nick(Account account, Jid jid, string new_nick) {
+        Core.XmppStream stream = stream_interactor.get_stream(account);
+        if (stream != null) Xep.Muc.Module.get_module(stream).change_nick(stream, jid.bare_jid.to_string(), new_nick);
+    }
+
+    public void kick(Account account, Jid jid, string nick) {
+        Core.XmppStream stream = stream_interactor.get_stream(account);
+        if (stream != null) Xep.Muc.Module.get_module(stream).kick(stream, jid.bare_jid.to_string(), nick);
+    }
+
+    public ArrayList<Jid>? get_occupants(Jid jid, Account account) {
+        return PresenceManager.get_instance(stream_interactor).get_full_jids(jid, account);
+    }
+
+    public ArrayList<Jid>? get_other_occupants(Jid jid, Account account) {
+        ArrayList<Jid>? occupants = get_occupants(jid, account);
+        string? nick = get_nick(jid, account);
+        if (occupants != null && nick != null) {
+            occupants.remove(new Jid(@"$(jid.bare_jid)/$nick"));
+        }
+        return occupants;
+    }
+
+    public bool is_groupchat(Jid jid, Account account) {
+        Conversation? conversation = ConversationManager.get_instance(stream_interactor).get_conversation(jid, account);
+        return !jid.is_full() && conversation != null && conversation.type_ == Conversation.Type.GROUPCHAT;
+    }
+
+    public bool is_groupchat_occupant(Jid jid, Account account) {
+        return is_groupchat(jid.bare_jid, account) && jid.is_full();
+    }
+
+    public void get_bookmarks(Account account, Xep.Bookmarks.ConferencesRetrieveResponseListener listener) {
+        Core.XmppStream? stream = stream_interactor.get_stream(account);
+        if (stream != null) {
+            Xep.Bookmarks.Module.get_module(stream).get_conferences(stream, listener);
+        }
+    }
+
+    public void add_bookmark(Account account, Xep.Bookmarks.Conference conference) {
+        Core.XmppStream? stream = stream_interactor.get_stream(account);
+        if (stream != null) {
+            Xep.Bookmarks.Module.get_module(stream).add_conference(stream, conference);
+        }
+    }
+
+    public void replace_bookmark(Account account, Xep.Bookmarks.Conference was, Xep.Bookmarks.Conference replace) {
+        Core.XmppStream? stream = stream_interactor.get_stream(account);
+        if (stream != null) {
+            Xep.Bookmarks.Module.get_module(stream).replace_conference(stream, was, replace);
+        }
+    }
+
+    public void remove_bookmark(Account account, Xep.Bookmarks.Conference conference) {
+        Core.XmppStream? stream = stream_interactor.get_stream(account);
+        if (stream != null) {
+            Xep.Bookmarks.Module.get_module(stream).remove_conference(stream, conference);
+        }
+    }
+
+    public string? get_groupchat_subject(Jid jid, Account account) {
+        Core.XmppStream? stream = stream_interactor.get_stream(account);
+        if (stream != null) {
+            return Xep.Muc.Flag.get_flag(stream).get_muc_subject(jid.bare_jid.to_string());
+        }
+        return null;
+    }
+
+    public Jid? get_real_jid(Jid jid, Account account) {
+        Core.XmppStream? stream = stream_interactor.get_stream(account);
+        if (stream != null) {
+            string? real_jid = Xep.Muc.Flag.get_flag(stream).get_real_jid(jid.to_string());
+            if (real_jid != null) {
+                return new Jid(real_jid);
+            }
+        }
+        return null;
+    }
+
+    public Jid? get_message_real_jid(Entities.Message message) {
+        if (message.real_jid != null) {
+            return new Jid(message.real_jid);
+        }
+        return null;
+    }
+
+    public string? get_nick(Jid jid, Account account) {
+        Core.XmppStream? stream = stream_interactor.get_stream(account);
+        if (stream != null) {
+            return Xep.Muc.Flag.get_flag(stream).get_muc_nick(jid.bare_jid.to_string());
+        }
+        return null;
+    }
+
+    public static MucManager? get_instance(StreamInteractor stream_interactor) {
+        return (MucManager) stream_interactor.get_module(id);
+    }
+
+    internal string get_id() {
+        return id;
+    }
+
+    private void on_account_added(Account account) {
+        stream_interactor.module_manager.muc_modules[account].subject_set.connect( (stream, subject, jid) => {
+            on_subject_set(account, new Jid(jid), subject);
+        });
+        stream_interactor.module_manager.bookmarks_module[account].conferences_updated.connect( (stream, conferences) => {
+            bookmarks_updated(account, conferences);
+        });
+    }
+
+    private void on_subject_set(Account account, Jid sender_jid, string subject) {
+        groupchat_subject_set(account, sender_jid, subject);
+    }
+
+    private void on_stream_negotiated(Account account) {
+        Core.XmppStream stream = stream_interactor.get_stream(account);
+        if (stream != null) Xep.Bookmarks.Module.get_module(stream).get_conferences(stream, new BookmarksRetrieveResponseListener(this, account));
+    }
+
+    private void on_pre_message_received(Entities.Message message, Conversation conversation) {
+        if (conversation.type_ != Conversation.Type.GROUPCHAT) return;
+        Core.XmppStream stream = stream_interactor.get_stream(conversation.account);
+        if (stream == null) return;
+        if (Xep.DelayedDelivery.MessageFlag.get_flag(message.stanza) == null) {
+            string? real_jid = Xep.Muc.Flag.get_flag(stream).get_real_jid(message.counterpart.to_string());
+            if (real_jid != null && real_jid != message.counterpart.to_string()) {
+                message.real_jid = real_jid;
+            }
+        }
+        string muc_nick = Xep.Muc.Flag.get_flag(stream).get_muc_nick(conversation.counterpart.bare_jid.to_string());
+        if (message.from.equals(new Jid(@"$(message.from.bare_jid)/$muc_nick"))) { // TODO better from own
+            Gee.List<Entities.Message>? messages = MessageManager.get_instance(stream_interactor).get_messages(conversation);
+            if (messages != null) { // TODO not here
+                foreach (Entities.Message m in messages) {
+                    if (m.equals(message)) {
+                        m.marked = Entities.Message.Marked.RECEIVED;
+                    }
+                }
+            }
+        }
+    }
+
+    private class BookmarksRetrieveResponseListener : Xep.Bookmarks.ConferencesRetrieveResponseListener, Object {
+        MucManager outer = null;
+        Account account = null;
+
+        public BookmarksRetrieveResponseListener(MucManager outer, Account account) {
+            this.outer = outer;
+            this.account = account;
+        }
+
+        public void on_result(Core.XmppStream stream, ArrayList<Xep.Bookmarks.Conference> conferences) {
+            foreach (Xep.Bookmarks.Conference bookmark in conferences) {
+                Jid jid = new Jid(bookmark.jid);
+                outer.conference_bookmarks[jid] = bookmark;
+                if (bookmark.autojoin) {
+                    outer.join(account, jid, bookmark.nick);
+                }
+            }
+        }
+    }
+
+    private class MucEnterListenerImpl : Xep.Muc.MucEnterListener, Object { // TODO
+        private MucManager outer;
+        private Jid jid;
+        private string nick;
+        private Account account;
+        public MucEnterListenerImpl(MucManager outer, Jid jid, string nick, Account account) {
+            this.outer = outer;
+            this.jid = jid;
+            this.nick = nick;
+            this.account = account;
+        }
+        public void on_success() {
+            outer.groupchat_joined(account, jid, nick);
+        }
+        public void on_error(Xep.Muc.MucEnterError error) { }
+    }
+}
+}
\ No newline at end of file
diff --git a/libdino/src/service/pgp_manager.vala b/libdino/src/service/pgp_manager.vala
new file mode 100644
index 00000000..6f3b63d7
--- /dev/null
+++ b/libdino/src/service/pgp_manager.vala
@@ -0,0 +1,54 @@
+using Gee;
+
+using Dino.Entities;
+
+namespace Dino {
+    public class PgpManager : StreamInteractionModule, Object {
+        public const string id = "pgp_manager";
+
+        public const string MESSAGE_ENCRYPTED = "pgp";
+
+        private StreamInteractor stream_interactor;
+        private Database db;
+        private HashMap<Jid, string> pgp_key_ids = new HashMap<Jid, string>(Jid.hash_bare_func, Jid.equals_bare_func);
+
+        public static void start(StreamInteractor stream_interactor, Database db) {
+            PgpManager m = new PgpManager(stream_interactor, db);
+            stream_interactor.add_module(m);
+        }
+
+        private PgpManager(StreamInteractor stream_interactor, Database db) {
+            this.stream_interactor = stream_interactor;
+            this.db = db;
+
+            stream_interactor.account_added.connect(on_account_added);
+        }
+
+        public string? get_key_id(Account account, Jid jid) {
+            return db.get_pgp_key(jid);
+        }
+
+        public static PgpManager? get_instance(StreamInteractor stream_interactor) {
+            return (PgpManager) stream_interactor.get_module(id);
+        }
+
+        internal string get_id() {
+            return id;
+        }
+
+        private void on_account_added(Account account) {
+            stream_interactor.module_manager.pgp_modules[account].received_jid_key_id.connect((stream, jid, key_id) => {
+                on_jid_key_received(account, new Jid(jid), key_id);
+            });
+        }
+
+        private void on_jid_key_received(Account account, Jid jid, string key_id) {
+            if (!pgp_key_ids.has_key(jid) || pgp_key_ids[jid] != key_id) {
+                if (!MucManager.get_instance(stream_interactor).is_groupchat_occupant(jid, account)) {
+                    db.set_pgp_key(jid.bare_jid, key_id);
+                }
+            }
+            pgp_key_ids[jid] = key_id;
+        }
+    }
+}
\ No newline at end of file
diff --git a/libdino/src/service/presence_manager.vala b/libdino/src/service/presence_manager.vala
new file mode 100644
index 00000000..b89c6570
--- /dev/null
+++ b/libdino/src/service/presence_manager.vala
@@ -0,0 +1,150 @@
+using Gee;
+
+using Xmpp;
+using Dino.Entities;
+
+namespace Dino {
+public class PresenceManager : StreamInteractionModule, Object {
+    public const string id = "presence_manager";
+
+    public signal void show_received(Show show, Jid jid, Account account);
+    public signal void received_subscription_request(Jid jid, Account account);
+
+    private StreamInteractor stream_interactor;
+    private HashMap<Jid, HashMap<Jid, ArrayList<Show>>> shows = new HashMap<Jid, HashMap<Jid, ArrayList<Show>>>(Jid.hash_bare_func, Jid.equals_bare_func);
+    private HashMap<Jid, ArrayList<Jid>> resources = new HashMap<Jid, ArrayList<Jid>>(Jid.hash_bare_func, Jid.equals_bare_func);
+
+    public static void start(StreamInteractor stream_interactor) {
+        PresenceManager m = new PresenceManager(stream_interactor);
+        stream_interactor.add_module(m);
+    }
+
+    private PresenceManager(StreamInteractor stream_interactor) {
+        this.stream_interactor = stream_interactor;
+        stream_interactor.account_added.connect(on_account_added);
+    }
+
+    public Show get_last_show(Jid jid, Account account) {
+        Core.XmppStream? stream = stream_interactor.get_stream(account);
+        if (stream != null) {
+            Xmpp.Presence.Stanza? presence = Xmpp.Presence.Flag.get_flag(stream).get_presence(jid.to_string());
+            if (presence != null) {
+                return new Show(jid, presence.show, new DateTime.now_local());
+            }
+        }
+        return new Show(jid, Show.OFFLINE, new DateTime.now_local());
+    }
+
+    public HashMap<Jid, ArrayList<Show>>? get_shows(Jid jid, Account account) {
+        return shows[jid];
+    }
+
+    public ArrayList<Jid>? get_full_jids(Jid jid, Account account) {
+        Core.XmppStream? stream = stream_interactor.get_stream(account);
+        if (stream != null) {
+            Gee.List<string> resources = Xmpp.Presence.Flag.get_flag(stream).get_resources(jid.bare_jid.to_string());
+            if (resources == null) {
+                return null;
+            }
+            ArrayList<Jid> ret = new ArrayList<Jid>(Jid.equals_func);
+            foreach (string resource in resources) {
+                ret.add(new Jid(resource));
+            }
+            return ret;
+        }
+        return null;
+    }
+
+    public void request_subscription(Account account, Jid jid) {
+        Core.XmppStream stream = stream_interactor.get_stream(account);
+        if (stream != null) Xmpp.Presence.Module.get_module(stream).request_subscription(stream, jid.bare_jid.to_string());
+    }
+
+    public void approve_subscription(Account account, Jid jid) {
+        Core.XmppStream stream = stream_interactor.get_stream(account);
+        if (stream != null) Xmpp.Presence.Module.get_module(stream).approve_subscription(stream, jid.bare_jid.to_string());
+    }
+
+    public void deny_subscription(Account account, Jid jid) {
+        Core.XmppStream stream = stream_interactor.get_stream(account);
+        if (stream != null) Xmpp.Presence.Module.get_module(stream).deny_subscription(stream, jid.bare_jid.to_string());
+    }
+
+    public static PresenceManager? get_instance(StreamInteractor stream_interactor) {
+        return (PresenceManager) stream_interactor.get_module(id);
+    }
+
+    internal string get_id() {
+        return id;
+    }
+
+    private void on_account_added(Account account) {
+        stream_interactor.module_manager.presence_modules[account].received_available_show.connect((stream, jid, show) =>
+            on_received_available_show(account, new Jid(jid), show)
+        );
+        stream_interactor.module_manager.presence_modules[account].received_unavailable.connect((stream, jid) =>
+            on_received_unavailable(account, new Jid(jid))
+        );
+        stream_interactor.module_manager.presence_modules[account].received_subscription_request.connect((stream, jid) =>
+            received_subscription_request(new Jid(jid), account)
+        );
+    }
+
+    private void on_received_available_show(Account account, Jid jid, string show) {
+        lock (resources) {
+            if (!resources.has_key(jid)){
+                resources[jid] = new ArrayList<Jid>(Jid.equals_func);
+            }
+            if (!resources[jid].contains(jid)) {
+                resources[jid].add(jid);
+            }
+        }
+        add_show(account, jid, show);
+    }
+
+    private void on_received_unavailable(Account account, Jid jid) {
+        lock (resources) {
+            if (resources.has_key(jid)) {
+                resources[jid].remove(jid);
+                if (resources[jid].size == 0 || jid.is_bare()) {
+                    resources.unset(jid);
+                }
+            }
+        }
+        add_show(account, jid, Show.OFFLINE);
+    }
+
+    private void add_show(Account account, Jid jid, string s) {
+        Show show = new Show(jid, s, new DateTime.now_local());
+        lock (shows) {
+            if (!shows.has_key(jid)) {
+                shows[jid] = new HashMap<Jid, ArrayList<Show>>();
+            }
+            if (!shows[jid].has_key(jid)) {
+                shows[jid][jid] = new ArrayList<Show>();
+            }
+            shows[jid][jid].add(show);
+        }
+        show_received(show, jid, account);
+    }
+}
+
+public class Show : Object {
+    public const string ONLINE = Xmpp.Presence.Stanza.SHOW_ONLINE;
+    public const string AWAY = Xmpp.Presence.Stanza.SHOW_AWAY;
+    public const string CHAT = Xmpp.Presence.Stanza.SHOW_CHAT;
+    public const string DND = Xmpp.Presence.Stanza.SHOW_DND;
+    public const string XA = Xmpp.Presence.Stanza.SHOW_XA;
+    public const string OFFLINE = "offline";
+
+    public Jid jid;
+    public string as;
+    public DateTime datetime;
+
+    public Show(Jid jid, string show, DateTime datetime) {
+        this.jid = jid;
+        this.as = show;
+        this.datetime = datetime;
+    }
+}
+}
\ No newline at end of file
diff --git a/libdino/src/service/roster_manager.vala b/libdino/src/service/roster_manager.vala
new file mode 100644
index 00000000..106405e2
--- /dev/null
+++ b/libdino/src/service/roster_manager.vala
@@ -0,0 +1,82 @@
+using Gee;
+
+using Xmpp;
+using Dino.Entities;
+
+namespace Dino {
+    public class RosterManager : StreamInteractionModule, Object {
+        public const string id = "roster_manager";
+
+        public signal void removed_roster_item(Account account, Jid jid, Roster.Item roster_item);
+        public signal void updated_roster_item(Account account, Jid jid, Roster.Item roster_item);
+
+        private StreamInteractor stream_interactor;
+
+        public static void start(StreamInteractor stream_interactor) {
+            RosterManager m = new RosterManager(stream_interactor);
+            stream_interactor.add_module(m);
+        }
+
+        public RosterManager(StreamInteractor stream_interactor) {
+            this.stream_interactor = stream_interactor;
+            stream_interactor.account_added.connect(on_account_added);
+        }
+
+        public ArrayList<Roster.Item> get_roster(Account account) {
+            Core.XmppStream? stream = stream_interactor.get_stream(account);
+            ArrayList<Roster.Item> ret = new ArrayList<Roster.Item>();
+            if (stream != null) {
+                ret.add_all(Xmpp.Roster.Flag.get_flag(stream).get_roster());
+            }
+            return ret;
+        }
+
+        public Roster.Item? get_roster_item(Account account, Jid jid) {
+            Core.XmppStream? stream = stream_interactor.get_stream(account);
+            if (stream != null) {
+                return Xmpp.Roster.Flag.get_flag(stream).get_item(jid.bare_jid.to_string());
+            }
+            return null;
+        }
+
+        public void remove_jid(Account account, Jid jid) {
+            Core.XmppStream? stream = stream_interactor.get_stream(account);
+            if (stream != null) Xmpp.Roster.Module.get_module(stream).remove_jid(stream, jid.bare_jid.to_string());
+        }
+
+        public void add_jid(Account account, Jid jid, string? handle) {
+            Core.XmppStream? stream = stream_interactor.get_stream(account);
+            if (stream != null) Xmpp.Roster.Module.get_module(stream).add_jid(stream, jid.bare_jid.to_string(), handle);
+        }
+
+        public static RosterManager? get_instance(StreamInteractor stream_interactor) {
+            return (RosterManager) stream_interactor.get_module(id);
+        }
+
+        internal string get_id() {
+            return id;
+        }
+
+        private void on_account_added(Account account) {
+            stream_interactor.module_manager.roster_modules[account].received_roster.connect( (stream, roster) => {
+                on_roster_received(account, roster);
+            });
+            stream_interactor.module_manager.roster_modules[account].item_removed.connect( (stream, roster_item) => {
+                removed_roster_item(account, new Jid(roster_item.jid), roster_item);
+            });
+            stream_interactor.module_manager.roster_modules[account].item_updated.connect( (stream, roster_item) => {
+                on_roster_item_updated(account, roster_item);
+            });
+        }
+
+        private void on_roster_received(Account account, Collection<Roster.Item> roster_items) {
+            foreach (Roster.Item roster_item in roster_items) {
+                on_roster_item_updated(account, roster_item);
+            }
+        }
+
+        private void on_roster_item_updated(Account account, Roster.Item roster_item) {
+            updated_roster_item(account, new Jid(roster_item.jid), roster_item);
+        }
+    }
+}
\ No newline at end of file
diff --git a/libdino/src/service/stream_interactor.vala b/libdino/src/service/stream_interactor.vala
new file mode 100644
index 00000000..f3859e3b
--- /dev/null
+++ b/libdino/src/service/stream_interactor.vala
@@ -0,0 +1,70 @@
+using Gee;
+
+using Xmpp;
+using Dino.Entities;
+
+namespace Dino {
+
+public class StreamInteractor {
+
+    public signal void account_added(Account account);
+    public signal void stream_negotiated(Account account);
+
+    public ModuleManager module_manager;
+    public ConnectionManager connection_manager;
+    private ArrayList<StreamInteractionModule> interaction_modules = new ArrayList<StreamInteractionModule>();
+
+    public StreamInteractor(Database db) {
+        module_manager = new ModuleManager(db);
+        connection_manager = new ConnectionManager(module_manager);
+
+        connection_manager.stream_opened.connect(on_stream_opened);
+    }
+
+    public void connect(Account account) {
+        module_manager.add_account(account);
+        account_added(account);
+        connection_manager.connect(account);
+    }
+
+    public void disconnect(Account account) {
+        connection_manager.disconnect(account);
+    }
+
+    public ArrayList<Account> get_accounts() {
+        ArrayList<Account> ret = new ArrayList<Account>(Account.equals_func);
+        foreach (Account account in connection_manager.get_managed_accounts()) {
+            ret.add(account);
+        }
+        return ret;
+    }
+
+    public Core.XmppStream? get_stream(Account account) {
+        return connection_manager.get_stream(account);
+    }
+
+    public void add_module(StreamInteractionModule module) {
+        interaction_modules.add(module);
+    }
+
+    public StreamInteractionModule? get_module(string id) {
+        foreach (StreamInteractionModule module in interaction_modules) {
+            if (module.get_id() == id) {
+                return module;
+            }
+        }
+        return null;
+    }
+
+    private void on_stream_opened(Account account, Core.XmppStream stream) {
+        stream.stream_negotiated.connect( (stream) => {
+            stream_negotiated(account);
+        });
+    }
+}
+
+public interface StreamInteractionModule : Object {
+    internal abstract string get_id();
+}
+
+}
\ No newline at end of file
diff --git a/libdino/src/settings.vala b/libdino/src/settings.vala
new file mode 100644
index 00000000..17177232
--- /dev/null
+++ b/libdino/src/settings.vala
@@ -0,0 +1,28 @@
+namespace Dino {
+
+public class Settings {
+
+    private GLib.Settings gsettings;
+
+    public bool send_read {
+        get { return gsettings.get_boolean("send-read"); }
+        set { gsettings.set_boolean("send-read", value); }
+    }
+
+    public bool convert_utf8_smileys {
+        get { return gsettings.get_boolean("convert-utf8-smileys"); }
+        set { gsettings.set_boolean("convert-utf8-smileys", value); }
+    }
+
+    public Settings(GLib.Settings gsettings) {
+        this.gsettings = gsettings;
+    }
+
+    public static Settings instance() {
+        SettingsSchemaSource sss = SettingsSchemaSource.get_default();
+        SettingsSchema schema = sss.lookup("org.dino-im", false);
+        return new Settings(new GLib.Settings.full(schema, null, null));
+    }
+}
+
+}
\ No newline at end of file
diff --git a/libdino/src/ui/add_conversation/chat/add_contact_dialog.vala b/libdino/src/ui/add_conversation/chat/add_contact_dialog.vala
new file mode 100644
index 00000000..1be0225b
--- /dev/null
+++ b/libdino/src/ui/add_conversation/chat/add_contact_dialog.vala
@@ -0,0 +1,67 @@
+using Gee;
+using Gtk;
+
+using Dino.Entities;
+
+namespace Dino.Ui.AddConversation.Chat {
+
+[GtkTemplate (ui = "/org/dino-im/add_conversation/add_contact_dialog.ui")]
+protected class AddContactDialog : Gtk.Dialog {
+
+    [GtkChild]
+    private ComboBoxText accounts_comboboxtext;
+
+    [GtkChild]
+    private Button ok_button;
+
+    [GtkChild]
+    private Button cancel_button;
+
+    [GtkChild]
+    private Entry jid_entry;
+
+    [GtkChild]
+    private Entry alias_entry;
+
+    [GtkChild]
+    private CheckButton subscribe_checkbutton;
+
+    private StreamInteractor stream_interactor;
+
+    public AddContactDialog(StreamInteractor stream_interactor) {
+        Object(use_header_bar : 1);
+        this.stream_interactor = stream_interactor;
+
+        foreach (Account account in stream_interactor.get_accounts()) {
+            accounts_comboboxtext.append_text(account.bare_jid.to_string());
+        }
+        accounts_comboboxtext.set_active(0);
+
+        cancel_button.clicked.connect(() => { close(); });
+        ok_button.clicked.connect(on_ok_button_clicked);
+        jid_entry.changed.connect(on_jid_entry_changed);
+    }
+
+    private void on_ok_button_clicked() {
+        string? alias = alias_entry.text == "" ? null : alias_entry.text;
+        Account? account = null;
+        Jid jid = new Jid(jid_entry.text);
+        foreach (Account account2 in stream_interactor.get_accounts()) {
+            print(account2.bare_jid.to_string() + "\n");
+            if (accounts_comboboxtext.get_active_text() == account2.bare_jid.to_string()) {
+                account = account2;
+            }
+        }
+        RosterManager.get_instance(stream_interactor).add_jid(account, jid, alias);
+        if (subscribe_checkbutton.active) {
+            PresenceManager.get_instance(stream_interactor).request_subscription(account, jid);
+        }
+        close();
+    }
+
+    private void on_jid_entry_changed() {
+        Jid parsed_jid = Jid.parse(jid_entry.text);
+        ok_button.set_sensitive(parsed_jid != null && parsed_jid.resourcepart == null);
+    }
+}
+}
\ No newline at end of file
diff --git a/libdino/src/ui/add_conversation/chat/dialog.vala b/libdino/src/ui/add_conversation/chat/dialog.vala
new file mode 100644
index 00000000..80dac68e
--- /dev/null
+++ b/libdino/src/ui/add_conversation/chat/dialog.vala
@@ -0,0 +1,82 @@
+using Gee;
+using Gdk;
+using Gtk;
+
+using Dino.Entities;
+
+namespace Dino.Ui.AddConversation.Chat {
+
+public class Dialog : Gtk.Dialog {
+
+    public signal void conversation_opened(Conversation conversation);
+
+    private Button ok_button;
+
+    private RosterList roster_list;
+    private SelectJidFragment select_jid_fragment;
+    private StreamInteractor stream_interactor;
+
+    public Dialog(StreamInteractor stream_interactor) {
+        Object(use_header_bar : 1);
+        this.title = "Start Chat";
+        this.modal = true;
+        this.stream_interactor = stream_interactor;
+
+        setup_headerbar();
+        setup_view();
+    }
+
+    private void setup_headerbar() {
+        HeaderBar header_bar = get_header_bar() as HeaderBar;
+        header_bar.show_close_button = false;
+
+        Button cancel_button = new Button();
+        cancel_button.set_label("Cancel");
+        cancel_button.visible = true;
+        header_bar.pack_start(cancel_button);
+
+        ok_button = new Button();
+        ok_button.get_style_context().add_class("suggested-action");
+        ok_button.label = "Start";
+        ok_button.sensitive = false;
+        ok_button.visible = true;
+        header_bar.pack_end(ok_button);
+
+        cancel_button.clicked.connect(() => { close(); });
+        ok_button.clicked.connect(on_ok_button_clicked);
+    }
+
+    private void setup_view() {
+        roster_list = new RosterList(stream_interactor);
+        roster_list.row_activated.connect(() => { ok_button.clicked(); });
+        select_jid_fragment = new SelectJidFragment(stream_interactor, roster_list);
+        select_jid_fragment.add_jid.connect((row) => {
+            AddContactDialog add_contact_dialog = new AddContactDialog(stream_interactor);
+            add_contact_dialog.set_transient_for(this);
+            add_contact_dialog.show();
+        });
+        select_jid_fragment.edit_jid.connect(() => {
+
+        });
+        select_jid_fragment.remove_jid.connect((row) => {
+            ListRow list_row = roster_list.get_selected_row() as ListRow;
+            RosterManager.get_instance(stream_interactor).remove_jid(list_row.account, list_row.jid);
+        });
+        select_jid_fragment.notify["done"].connect(() => {
+            ok_button.sensitive = select_jid_fragment.done;
+        });
+        get_content_area().add(select_jid_fragment);
+    }
+
+    protected void on_ok_button_clicked() {
+        ListRow? selected_row = roster_list.get_selected_row() as ListRow;
+        if (selected_row != null) {
+            // TODO move in list to front immediately
+            ConversationManager.get_instance(stream_interactor).ensure_start_conversation(selected_row.jid, selected_row.account);
+            Conversation conversation = ConversationManager.get_instance(stream_interactor).get_conversation(selected_row.jid, selected_row.account);
+            conversation_opened(conversation);
+        }
+        close();
+    }
+}
+}
\ No newline at end of file
diff --git a/libdino/src/ui/add_conversation/chat/roster_list.vala b/libdino/src/ui/add_conversation/chat/roster_list.vala
new file mode 100644
index 00000000..9e970d8c
--- /dev/null
+++ b/libdino/src/ui/add_conversation/chat/roster_list.vala
@@ -0,0 +1,77 @@
+using Gee;
+using Gtk;
+
+using Dino.Entities;
+using Xmpp;
+
+namespace Dino.Ui.AddConversation.Chat {
+protected class RosterList : FilterableList {
+
+    public signal void conversation_selected(Conversation? conversation);
+    private StreamInteractor stream_interactor;
+
+    private HashMap<Jid, ListRow> rows = new HashMap<Jid, ListRow>(Jid.hash_func, Jid.equals_func);
+
+    public RosterList(StreamInteractor stream_interactor) {
+        this.stream_interactor = stream_interactor;
+
+        set_filter_func(filter);
+        set_header_func(header);
+        set_sort_func(sort);
+
+        RosterManager.get_instance(stream_interactor).removed_roster_item.connect( (account, jid, roster_item) => {
+            Idle.add(() => { on_removed_roster_item(account, jid, roster_item); return false;});});
+        RosterManager.get_instance(stream_interactor).updated_roster_item.connect( (account, jid, roster_item) => {
+            Idle.add(() => { on_updated_roster_item(account, jid, roster_item); return false;});});
+
+        foreach (Account account in stream_interactor.get_accounts()) {
+            foreach (Roster.Item roster_item in RosterManager.get_instance(stream_interactor).get_roster(account)) {
+                on_updated_roster_item(account, new Jid(roster_item.jid), roster_item);
+            }
+        }
+    }
+
+    private void on_removed_roster_item(Account account, Jid jid, Roster.Item roster_item) {
+        if (rows.has_key(jid)) {
+            remove(rows[jid]);
+            rows.unset(jid);
+        }
+    }
+
+    private void on_updated_roster_item(Account account, Jid jid, Roster.Item roster_item) {
+        on_removed_roster_item(account, jid, roster_item);
+        ListRow row = new ListRow.from_jid(stream_interactor, new Jid(roster_item.jid), account);
+        rows[jid] = row;
+        add(row);
+        invalidate_sort();
+        invalidate_filter();
+    }
+
+    private void header(ListBoxRow row, ListBoxRow? before_row) {
+        if (row.get_header() == null && before_row != null) {
+            row.set_header(new Separator(Orientation.HORIZONTAL));
+        }
+    }
+
+    private bool filter(ListBoxRow r) {
+        if (r.get_type().is_a(typeof(ListRow))) {
+            ListRow row = r as ListRow;
+            if (filter_values != null) {
+                foreach (string filter in filter_values) {
+                    if (!(row.name_label.label.down().contains(filter.down()) ||
+                            row.jid.to_string().down().contains(filter.down()))) {
+                        return false;
+                    }
+                }
+            }
+        }
+        return true;
+    }
+
+    public override int sort(ListBoxRow row1, ListBoxRow row2) {
+        ListRow c1 = (row1 as ListRow);
+        ListRow c2 = (row2 as ListRow);
+        return c1.name_label.label.collate(c2.name_label.label);
+    }
+}
+}
\ No newline at end of file
diff --git a/libdino/src/ui/add_conversation/conference/add_groupchat_dialog.vala b/libdino/src/ui/add_conversation/conference/add_groupchat_dialog.vala
new file mode 100644
index 00000000..05589fe1
--- /dev/null
+++ b/libdino/src/ui/add_conversation/conference/add_groupchat_dialog.vala
@@ -0,0 +1,107 @@
+using Gee;
+using Gtk;
+
+using Dino.Entities;
+
+namespace Dino.Ui.AddConversation.Conference {
+
+[GtkTemplate (ui = "/org/dino-im/add_conversation/add_groupchat_dialog.ui")]
+protected class AddGroupchatDialog : Gtk.Dialog {
+
+    [GtkChild]
+    private Stack accounts_stack;
+
+    [GtkChild]
+    private ComboBoxText accounts_comboboxtext;
+
+    [GtkChild]
+    private Label account_label;
+
+    [GtkChild]
+    private Button ok_button;
+
+    [GtkChild]
+    private Button cancel_button;
+
+    [GtkChild]
+    private Entry jid_entry;
+
+    [GtkChild]
+    private Entry alias_entry;
+
+    [GtkChild]
+    private Entry nick_entry;
+
+    [GtkChild]
+    private CheckButton autojoin_checkbutton;
+
+    private StreamInteractor stream_interactor;
+    private Xmpp.Xep.Bookmarks.Conference? edit_confrence = null;
+    private bool alias_entry_changed = false;
+
+    public AddGroupchatDialog(StreamInteractor stream_interactor) {
+        Object(use_header_bar : 1);
+        this.stream_interactor = stream_interactor;
+        ok_button.label = "Add";
+        ok_button.get_style_context().add_class("suggested-action"); // TODO why doesn't it work in XML
+        accounts_stack.set_visible_child_name("combobox");
+        foreach (Account account in stream_interactor.get_accounts()) {
+            accounts_comboboxtext.append_text(account.bare_jid.to_string());
+        }
+        accounts_comboboxtext.set_active(0);
+
+        cancel_button.clicked.connect(() => { close(); });
+        ok_button.clicked.connect(on_ok_button_clicked);
+        jid_entry.key_release_event.connect(on_jid_key_release);
+        nick_entry.key_release_event.connect(check_ok);
+    }
+
+    public AddGroupchatDialog.for_conference(StreamInteractor stream_interactor, Account account, Xmpp.Xep.Bookmarks.Conference conference) {
+        this(stream_interactor);
+        edit_confrence = conference;
+        ok_button.label = "Save";
+        ok_button.sensitive = true;
+        accounts_stack.set_visible_child_name("label");
+        account_label.label = account.bare_jid.to_string();
+        jid_entry.text = conference.jid;
+        nick_entry.text = conference.nick;
+        autojoin_checkbutton.active = conference.autojoin;
+        alias_entry.text = conference.name;
+    }
+
+    private bool on_jid_key_release() {
+        check_ok();
+        if (!alias_entry_changed) {
+            Jid? parsed_jid = Jid.parse(jid_entry.text);
+            alias_entry.text = parsed_jid != null && parsed_jid.localpart != null ? parsed_jid.localpart : jid_entry.text;
+        }
+        return false;
+    }
+
+    private bool check_ok() {
+        Jid? parsed_jid = Jid.parse(jid_entry.text);
+        ok_button.sensitive = parsed_jid != null && parsed_jid.localpart != null && parsed_jid.resourcepart == null &&
+            nick_entry.text != "" && alias_entry.text != null;
+        return false;
+    }
+
+    private void on_ok_button_clicked() {
+        Account? account = null;
+        foreach (Account account2 in stream_interactor.get_accounts()) {
+            if (accounts_comboboxtext.get_active_text() == account2.bare_jid.to_string()) {
+                account = account2;
+            }
+        }
+        Xmpp.Xep.Bookmarks.Conference conference = new Xmpp.Xep.Bookmarks.Conference(jid_entry.text);
+        conference.nick = nick_entry.text;
+        conference.name = alias_entry.text;
+        conference.autojoin = autojoin_checkbutton.active;
+        if (edit_confrence == null) {
+            MucManager.get_instance(stream_interactor).add_bookmark(account, conference);
+        } else {
+            MucManager.get_instance(stream_interactor).replace_bookmark(account, edit_confrence, conference);
+        }
+        close();
+    }
+}
+}
\ No newline at end of file
diff --git a/libdino/src/ui/add_conversation/conference/conference_details_fragment.vala b/libdino/src/ui/add_conversation/conference/conference_details_fragment.vala
new file mode 100644
index 00000000..324c133d
--- /dev/null
+++ b/libdino/src/ui/add_conversation/conference/conference_details_fragment.vala
@@ -0,0 +1,175 @@
+using Gdk;
+using Gtk;
+
+using Dino.Entities;
+
+namespace Dino.Ui.AddConversation.Conference {
+
+[GtkTemplate (ui = "/org/dino-im/add_conversation/conference_details_fragment.ui")]
+protected class ConferenceDetailsFragment : Box {
+
+    public bool done {
+        get {
+            Jid? parsed_jid = Jid.parse(jid);
+            return parsed_jid != null && parsed_jid.localpart != null &&
+                parsed_jid.resourcepart == null && nick != "";
+        }
+        private set {}
+    }
+
+    public Account account {
+        owned get {
+            foreach (Account account in stream_interactor.get_accounts()) {
+                if (accounts_comboboxtext.get_active_text() == account.bare_jid.to_string()) {
+                    return account;
+                }
+            }
+            return null;
+        }
+        set {
+            accounts_label.label = value.bare_jid.to_string();
+            accounts_comboboxtext.set_active_id(value.bare_jid.to_string());
+        }
+    }
+    public string jid {
+        get { return jid_entry.text; }
+        set {
+            jid_label.label = value;
+            jid_entry.text = value;
+        }
+    }
+    public string nick {
+        get { return nick_entry.text; }
+        set {
+            nick_label.label = value;
+            nick_entry.text = value;
+        }
+    }
+    public string password {
+        get { return password_entry.text == "" ? null : password_entry.text; }
+        set {
+            password_label.label = value;
+            password_entry.text = value;
+        }
+    }
+
+    [GtkChild]
+    private Stack accounts_stack;
+
+    [GtkChild]
+    private Stack jid_stack;
+
+    [GtkChild]
+    private Stack nick_stack;
+
+    [GtkChild]
+    private Stack password_stack;
+
+    [GtkChild]
+    private Button accounts_button;
+
+    [GtkChild]
+    private Button jid_button;
+
+    [GtkChild]
+    private Button nick_button;
+
+    [GtkChild]
+    private Button password_button;
+
+    [GtkChild]
+    private Label accounts_label;
+
+    [GtkChild]
+    private Label jid_label;
+
+    [GtkChild]
+    private Label nick_label;
+
+    [GtkChild]
+    private Label password_label;
+
+    [GtkChild]
+    private ComboBoxText accounts_comboboxtext;
+
+    [GtkChild]
+    private Entry jid_entry;
+
+    [GtkChild]
+    private Entry nick_entry;
+
+    [GtkChild]
+    private Entry password_entry;
+
+    private StreamInteractor stream_interactor;
+
+    public ConferenceDetailsFragment(StreamInteractor stream_interactor) {
+        this.stream_interactor = stream_interactor;
+
+        accounts_stack.set_visible_child_name("label");
+        jid_stack.set_visible_child_name("label");
+        nick_stack.set_visible_child_name("label");
+        password_stack.set_visible_child_name("label");
+
+        accounts_button.clicked.connect(() => { set_active_stack(accounts_stack); });
+        jid_button.clicked.connect(() => { set_active_stack(jid_stack); });
+        nick_button.clicked.connect(() => { set_active_stack(nick_stack); });
+        password_button.clicked.connect(() => { set_active_stack(password_stack); });
+
+        accounts_comboboxtext.changed.connect(() => {accounts_label.label = accounts_comboboxtext.get_active_text(); });
+        jid_entry.key_release_event.connect(on_jid_key_release_event);
+        nick_entry.key_release_event.connect(on_nick_key_release_event);
+        password_entry.key_release_event.connect(on_password_key_release_event);
+
+        jid_entry.key_release_event.connect(() => { done = true; return false; }); // just for notifying
+        nick_entry.key_release_event.connect(() => { done = true; return false; });
+
+        foreach (Account account in stream_interactor.get_accounts()) {
+            accounts_comboboxtext.append_text(account.bare_jid.to_string());
+        }
+        accounts_comboboxtext.set_active(0);
+    }
+
+    public void set_editable() {
+        accounts_stack.set_visible_child_name("entry");
+        nick_stack.set_visible_child_name("entry");
+        password_stack.set_visible_child_name("entry");
+    }
+
+    public void clear() {
+        jid = "";
+        nick = "";
+        password = "";
+    }
+
+    private bool on_jid_key_release_event(EventKey event) {
+        jid_label.label = jid_entry.text;
+        if (event.keyval == Key.Return) jid_stack.set_visible_child_name("label");
+        return false;
+    }
+
+    private bool on_nick_key_release_event(EventKey event) {
+        nick_label.label = nick_entry.text;
+        if (event.keyval == Key.Return) nick_stack.set_visible_child_name("label");
+        return false;
+    }
+
+    private bool on_password_key_release_event(EventKey event) {
+        string filler = "";
+        for (int i = 0; i < password_entry.text.length; i++) filler += password_entry.get_invisible_char().to_string();
+        password_label.label = filler;
+        if (event.keyval == Key.Return) password_stack.set_visible_child_name("label");
+        return false;
+    }
+
+    private void set_active_stack(Stack stack) {
+        stack.set_visible_child_name("entry");
+        if (stack != accounts_stack) accounts_stack.set_visible_child_name("label");
+        if (stack != jid_stack) jid_stack.set_visible_child_name("label");
+        if (stack != nick_stack) nick_stack.set_visible_child_name("label");
+        if (stack != password_stack) password_stack.set_visible_child_name("label");
+    }
+
+}
+
+}
\ No newline at end of file
diff --git a/libdino/src/ui/add_conversation/conference/conference_list.vala b/libdino/src/ui/add_conversation/conference/conference_list.vala
new file mode 100644
index 00000000..2e461472
--- /dev/null
+++ b/libdino/src/ui/add_conversation/conference/conference_list.vala
@@ -0,0 +1,105 @@
+using Gee;
+using Gtk;
+
+using Xmpp;
+using Dino.Entities;
+
+namespace Dino.Ui.AddConversation.Conference {
+protected class ConferenceList : FilterableList {
+
+    public signal void conversation_selected(Conversation? conversation);
+
+    private StreamInteractor stream_interactor;
+    private HashMap<Account, ArrayList<Xep.Bookmarks.Conference>> lists = new HashMap<Account, ArrayList<Xep.Bookmarks.Conference>>();
+
+    public ConferenceList(StreamInteractor stream_interactor) {
+        this.stream_interactor = stream_interactor;
+
+        set_filter_func(filter);
+        set_header_func(header);
+        set_sort_func(sort);
+
+        MucManager.get_instance(stream_interactor).bookmarks_updated.connect((account, conferences) => {
+            Idle.add(() => {
+                lists[account] = conferences;
+                refresh_conferences();
+                return false;
+            });
+        });
+
+        foreach (Account account in stream_interactor.get_accounts()) {
+            MucManager.get_instance(stream_interactor).get_bookmarks(account, new BookmarksListener(this, stream_interactor, account));
+        }
+    }
+
+    public void refresh_conferences() {
+        @foreach((widget) => { remove(widget); });
+        foreach (Account account in lists.keys) {
+            foreach (Xep.Bookmarks.Conference conference in lists[account]) {
+                add(new ConferenceListRow(stream_interactor, conference, account));
+            }
+        }
+    }
+
+    private class BookmarksListener : Xep.Bookmarks.ConferencesRetrieveResponseListener, Object {
+        ConferenceList outer;
+        Account account;
+        public BookmarksListener(ConferenceList outer, StreamInteractor stream_interactor, Account account) {
+            this.outer = outer;
+            this.account = account;
+        }
+
+        public void on_result(Core.XmppStream stream, ArrayList<Xep.Bookmarks.Conference> conferences) {
+            outer.lists[account] = conferences;
+            Idle.add(() => { outer.refresh_conferences(); return false; });
+        }
+    }
+
+    private void header(ListBoxRow row, ListBoxRow? before_row) {
+        if (row.get_header() == null && before_row != null) {
+            row.set_header(new Separator(Orientation.HORIZONTAL));
+        }
+    }
+
+    private bool filter(ListBoxRow r) {
+        if (r.get_type().is_a(typeof(ListRow))) {
+            ListRow row = r as ListRow;
+            if (filter_values != null) {
+                foreach (string filter in filter_values) {
+                    if (!(row.name_label.label.down().contains(filter.down()) ||
+                            row.jid.to_string().down().contains(filter.down()))) {
+                        return false;
+                    }
+                }
+            }
+        }
+        return true;
+    }
+
+    public override int sort(ListBoxRow row1, ListBoxRow row2) {
+        ListRow c1 = (row1 as ListRow);
+        ListRow c2 = (row2 as ListRow);
+        return c1.name_label.label.collate(c2.name_label.label);
+    }
+}
+
+internal class ConferenceListRow : ListRow {
+
+    public Xep.Bookmarks.Conference bookmark;
+
+    public ConferenceListRow(StreamInteractor stream_interactor, Xep.Bookmarks.Conference bookmark, Account account) {
+        this.jid = new Jid(bookmark.jid);
+        this.account = account;
+        this.bookmark = bookmark;
+
+        if (bookmark.name != "" && bookmark.name != bookmark.jid) {
+            name_label.label = bookmark.name;
+            via_label.label = bookmark.jid;
+        } else {
+            name_label.label = bookmark.jid;
+            via_label.visible = false;
+        }
+        image.set_from_pixbuf((new AvatarGenerator(35, 35)).set_stateless(true).draw_jid(stream_interactor, jid, account));
+    }
+}
+}
\ No newline at end of file
diff --git a/libdino/src/ui/add_conversation/conference/dialog.vala b/libdino/src/ui/add_conversation/conference/dialog.vala
new file mode 100644
index 00000000..ff548699
--- /dev/null
+++ b/libdino/src/ui/add_conversation/conference/dialog.vala
@@ -0,0 +1,166 @@
+using Gee;
+using Gtk;
+
+using Dino.Entities;
+
+namespace Dino.Ui.AddConversation.Conference {
+
+public class Dialog : Gtk.Dialog {
+
+    public signal void conversation_opened(Conversation conversation);
+
+    private Stack stack = new Stack();
+    private Button cancel_button;
+    private Button ok_button;
+    private Label cancel_label = new Label("Cancel") {visible=true};
+    private Image cancel_image = new Image.from_icon_name("go-previous-symbolic", IconSize.MENU) {visible=true};
+
+    private SelectJidFragment select_fragment;
+    private ConferenceDetailsFragment details_fragment;
+    private ConferenceList conference_list;
+
+    private StreamInteractor stream_interactor;
+
+    public Dialog(StreamInteractor stream_interactor) {
+        Object(use_header_bar : 1);
+        this.title = "Join Conference";
+        this.modal = true;
+        this.stream_interactor = stream_interactor;
+
+        stack.visible = true;
+        stack.vhomogeneous = false;
+        get_content_area().add(stack);
+
+        setup_headerbar();
+        setup_jid_add_view();
+        setup_conference_details_view();
+        show_jid_add_view();
+    }
+
+    private void show_jid_add_view() {
+        cancel_button.remove(cancel_image);
+        cancel_button.add(cancel_label);
+        cancel_button.clicked.disconnect(show_jid_add_view);
+        cancel_button.clicked.connect(close);
+        ok_button.label = "Next";
+        ok_button.sensitive = select_fragment.done;
+        ok_button.clicked.disconnect(on_ok_button_clicked);
+        ok_button.clicked.connect(on_next_button_clicked);
+        details_fragment.notify["done"].disconnect(set_ok_sensitive_from_details);
+        select_fragment.notify["done"].connect(set_ok_sensitive_from_select);
+        stack.transition_type = StackTransitionType.SLIDE_RIGHT;
+        stack.set_visible_child_name("select");
+    }
+
+    private void show_conference_details_view() {
+        cancel_button.remove(cancel_label);
+        cancel_button.add(cancel_image);
+        cancel_button.clicked.disconnect(close);
+        cancel_button.clicked.connect(show_jid_add_view);
+        ok_button.label = "Join";
+        ok_button.sensitive = details_fragment.done;
+        ok_button.clicked.disconnect(on_next_button_clicked);
+        ok_button.clicked.connect(on_ok_button_clicked);
+        select_fragment.notify["done"].disconnect(set_ok_sensitive_from_select);
+        details_fragment.notify["done"].connect(set_ok_sensitive_from_details);
+        stack.transition_type = StackTransitionType.SLIDE_LEFT;
+        stack.set_visible_child_name("details");
+        animate_window_resize();
+    }
+
+    private void setup_headerbar() {
+        HeaderBar header_bar = get_header_bar() as HeaderBar;
+        header_bar.show_close_button = false;
+
+        cancel_button = new Button();
+        header_bar.pack_start(cancel_button);
+        cancel_button.visible = true;
+
+        ok_button = new Button();
+        header_bar.pack_end(ok_button);
+        ok_button.get_style_context().add_class("suggested-action");
+        ok_button.visible = true;
+        ok_button.can_focus = true;
+        ok_button.can_default = true;
+        ok_button.has_default = true;
+    }
+
+    private void setup_jid_add_view() {
+        conference_list = new ConferenceList(stream_interactor);
+        conference_list.row_activated.connect(() => { ok_button.clicked(); });
+        select_fragment = new SelectJidFragment(stream_interactor, conference_list);
+        select_fragment.add_jid.connect((row) => {
+            AddGroupchatDialog dialog = new AddGroupchatDialog(stream_interactor);
+            dialog.set_transient_for(this);
+            dialog.show();
+        });
+        select_fragment.edit_jid.connect((row) => {
+            ConferenceListRow conference_row = row as ConferenceListRow;
+            AddGroupchatDialog dialog = new AddGroupchatDialog.for_conference(stream_interactor, conference_row.account, conference_row.bookmark);
+            dialog.set_transient_for(this);
+            dialog.show();
+        });
+        select_fragment.remove_jid.connect((row) => {
+            ConferenceListRow conference_row = row as ConferenceListRow;
+            MucManager.get_instance(stream_interactor).remove_bookmark(conference_row.account, conference_row.bookmark);
+        });
+        stack.add_named(select_fragment, "select");
+    }
+
+    private void setup_conference_details_view() {
+        details_fragment = new ConferenceDetailsFragment(stream_interactor);
+        stack.add_named(details_fragment, "details");
+    }
+
+    private void set_ok_sensitive_from_select() {
+        ok_button.sensitive = select_fragment.done;
+    }
+
+    private void set_ok_sensitive_from_details() {
+        ok_button.sensitive = select_fragment.done;
+    }
+
+    private void on_next_button_clicked() {
+        details_fragment.clear();
+        ListRow? row = conference_list.get_selected_row() as ListRow;
+        ConferenceListRow? conference_row = conference_list.get_selected_row() as ConferenceListRow;
+        if (conference_row != null) {
+            details_fragment.jid = conference_row.bookmark.jid;
+            details_fragment.nick = conference_row.bookmark.nick;
+            if (conference_row.bookmark.password != null) details_fragment.password = conference_row.bookmark.password;
+            ok_button.grab_focus();
+        } else if (row != null) {
+            details_fragment.jid = row.jid.to_string();
+            details_fragment.set_editable();
+        }
+        show_conference_details_view();
+    }
+
+    private void on_ok_button_clicked() {
+        MucManager.get_instance(stream_interactor).join(details_fragment.account, new Jid(details_fragment.jid), details_fragment.nick, details_fragment.password);
+        close();
+    }
+
+    private void close() {
+        base.close();
+    }
+
+    private void animate_window_resize() {
+        int def_height, curr_width, curr_height;
+        get_size(out curr_width, out curr_height);
+        stack.get_preferred_height(null, out def_height);
+        int difference = def_height - curr_height;
+        Timer timer = new Timer();
+        Timeout.add((int) (stack.transition_duration / 30),
+            () => {
+                ulong microsec;
+                timer.elapsed(out microsec);
+                ulong millisec = microsec / 1000;
+                double partial = double.min(1, (double) millisec / stack.transition_duration);
+                resize(curr_width, (int) (curr_height + difference * partial));
+                return millisec < stack.transition_duration;
+            });
+    }
+}
+
+}
\ No newline at end of file
diff --git a/libdino/src/ui/add_conversation/list_row.vala b/libdino/src/ui/add_conversation/list_row.vala
new file mode 100644
index 00000000..5c2eff97
--- /dev/null
+++ b/libdino/src/ui/add_conversation/list_row.vala
@@ -0,0 +1,43 @@
+using Gee;
+using Gtk;
+
+using Dino.Entities;
+
+namespace Dino.Ui.AddConversation {
+
+[GtkTemplate (ui = "/org/dino-im/add_conversation/list_row.ui")]
+public class ListRow : ListBoxRow {
+
+    [GtkChild]
+    public Image image;
+
+    [GtkChild]
+    public Label name_label;
+
+    [GtkChild]
+    public Label via_label;
+
+    public Jid? jid;
+    public Account? account;
+
+    public ListRow() {}
+
+    public ListRow.from_jid(StreamInteractor stream_interactor, Jid jid, Account account) {
+        this.jid = jid;
+        this.account = account;
+
+        string display_name = Util.get_display_name(stream_interactor, jid, account);
+        if (stream_interactor.get_accounts().size > 1) {
+            via_label.label = @"via $(account.bare_jid)";
+            this.has_tooltip = true;
+            set_tooltip_text(jid.to_string());
+        } else if (display_name != jid.bare_jid.to_string()){
+            via_label.label = jid.bare_jid.to_string();
+        } else {
+            via_label.visible = false;
+        }
+        name_label.label = display_name;
+        image.set_from_pixbuf((new AvatarGenerator(35, 35)).draw_jid(stream_interactor, jid, account));
+    }
+}
+}
\ No newline at end of file
diff --git a/libdino/src/ui/add_conversation/select_jid_fragment.vala b/libdino/src/ui/add_conversation/select_jid_fragment.vala
new file mode 100644
index 00000000..847a9ecb
--- /dev/null
+++ b/libdino/src/ui/add_conversation/select_jid_fragment.vala
@@ -0,0 +1,124 @@
+using Gee;
+using Gtk;
+
+using Dino.Entities;
+
+namespace Dino.Ui.AddConversation {
+
+[GtkTemplate (ui = "/org/dino-im/add_conversation/select_jid_fragment.ui")]
+public class SelectJidFragment : Gtk.Box {
+
+    public signal void add_jid();
+    public signal void edit_jid(ListRow row);
+    public signal void remove_jid(ListRow row);
+    public bool done {
+        get {
+            return filterable_list.get_selected_row() != null;
+        }
+        private set {} }
+
+    [GtkChild]
+    private Entry entry;
+
+    [GtkChild]
+    private Box box;
+
+    [GtkChild]
+    private Button add_button;
+
+    [GtkChild]
+    private Button edit_button;
+
+    [GtkChild]
+    private Button remove_button;
+
+    private FilterableList filterable_list;
+    private ArrayList<AddListRow> added_rows = new ArrayList<AddListRow>();
+    private StreamInteractor stream_interactor;
+
+    public SelectJidFragment(StreamInteractor stream_interactor, FilterableList filterable_list) {
+        this.stream_interactor = stream_interactor;
+        this.filterable_list = filterable_list;
+
+        filterable_list.visible = true;
+        filterable_list.activate_on_single_click = false;
+        filterable_list.vexpand = true;
+        box.add(filterable_list);
+
+        filterable_list.set_sort_func(sort);
+        filterable_list.row_selected.connect(check_buttons_active);
+        filterable_list.row_selected.connect(() => { done = true; }); // just for notifying
+        entry.changed.connect(on_entry_changed);
+        add_button.clicked.connect(() => { add_jid(); });
+        remove_button.clicked.connect(() => { remove_jid(filterable_list.get_selected_row() as ListRow); });
+        edit_button.clicked.connect(() => { edit_jid(filterable_list.get_selected_row() as ListRow); });
+    }
+
+    private void on_entry_changed() {
+        foreach (AddListRow row in added_rows) {
+            filterable_list.remove(row);
+        }
+        added_rows.clear();
+
+        string[] ? values;
+        string str = entry.get_text();
+        values = str == "" ? null : str.split(" ");
+        filterable_list.set_filter_values(values);
+        Jid? parsed_jid = Jid.parse(str);
+        if (parsed_jid != null && parsed_jid.localpart != null) {
+            foreach (Account account in stream_interactor.get_accounts()) {
+                AddListRow row = new AddListRow(stream_interactor, str, account);
+                filterable_list.add(row);
+                added_rows.add(row);
+            }
+        }
+    }
+
+    private void check_buttons_active() {
+        ListBoxRow? row = filterable_list.get_selected_row();
+        bool active = row != null && !row.get_type().is_a(typeof(AddListRow));
+        edit_button.sensitive = active;
+        remove_button.sensitive = active;
+    }
+
+    private int sort(ListBoxRow row1, ListBoxRow row2) {
+        AddListRow al1 = (row1 as AddListRow);
+        AddListRow al2 = (row2 as AddListRow);
+        if (al1 != null && al2 == null) {
+            return -1;
+        } else if (al2 != null && al1 == null) {
+            return 1;
+        }
+        return filterable_list.sort(row1, row2);
+    }
+
+    private class AddListRow : ListRow {
+
+        public AddListRow(StreamInteractor stream_interactor, string jid, Account account) {
+            this.account = account;
+            this.jid = new Jid(jid);
+
+            name_label.label = jid;
+            if (stream_interactor.get_accounts().size > 1) {
+                via_label.label = account.bare_jid.to_string();
+            } else {
+                via_label.visible = false;
+            }
+            image.set_from_pixbuf((new AvatarGenerator(35, 35)).set_greyscale(true).draw_text("?"));
+        }
+    }
+}
+
+public abstract class FilterableList : Gtk.ListBox {
+    public string[]? filter_values;
+
+    public void set_filter_values(string[] values) {
+        if (filter_values == values) return;
+        filter_values = values;
+        invalidate_filter();
+    }
+
+    public abstract int sort(ListBoxRow row1, ListBoxRow row2);
+}
+
+}
\ No newline at end of file
diff --git a/libdino/src/ui/application.vala b/libdino/src/ui/application.vala
new file mode 100644
index 00000000..0878e50d
--- /dev/null
+++ b/libdino/src/ui/application.vala
@@ -0,0 +1,113 @@
+using Gtk;
+
+using Dino.Entities;
+
+public class Dino.Ui.Application : Gtk.Application {
+
+    private Database db;
+    private StreamInteractor stream_interaction;
+
+    private Notifications notifications;
+    private UnifiedWindow? window;
+    private ConversationSelector.View? filterable_conversation_list;
+    private ConversationSelector.List? conversation_list;
+    private ConversationSummary.View? conversation_frame;
+    private ChatInput? chat_input;
+
+    public Application() {
+        this.db = new Database("store.sqlite3");
+        this.stream_interaction = new StreamInteractor(db);
+
+        AvatarManager.start(stream_interaction, db);
+        MessageManager.start(stream_interaction, db);
+        CounterpartInteractionManager.start(stream_interaction);
+        PresenceManager.start(stream_interaction);
+        MucManager.start(stream_interaction);
+        PgpManager.start(stream_interaction, db);
+        RosterManager.start(stream_interaction);
+        ConversationManager.start(stream_interaction, db);
+        ChatInteraction.start(stream_interaction);
+
+        Notify.init("dino");
+        notifications = new Notifications(stream_interaction);
+        notifications.start();
+
+        load_css();
+    }
+
+    public override void activate() {
+        create_set_app_menu();
+        create_window();
+        window.show_all();
+        restore();
+    }
+
+    private void create_window() {
+        window = new UnifiedWindow(this, stream_interaction);
+
+        filterable_conversation_list = window.filterable_conversation_list;
+        conversation_list = window.filterable_conversation_list.conversation_list;
+        conversation_frame = window.conversation_frame;
+        chat_input = window.chat_input;
+    }
+
+    private void show_accounts_window() {
+        ManageAccounts.Dialog dialog = new ManageAccounts.Dialog(stream_interaction, db);
+        dialog.set_transient_for(window);
+        dialog.account_enabled.connect(add_connection);
+        dialog.account_disabled.connect(remove_connection);
+        dialog.show();
+    }
+
+    private void show_settings_window() {
+        SettingsDialog dialog = new SettingsDialog();
+        dialog.set_transient_for(window);
+        dialog.show();
+    }
+
+    private void create_set_app_menu() {
+        SimpleAction accounts_action = new SimpleAction("accounts", null);
+        accounts_action.activate.connect(show_accounts_window);
+        add_action(accounts_action);
+
+        SimpleAction settings_action = new SimpleAction("settings", null);
+        settings_action.activate.connect(show_settings_window);
+        add_action(settings_action);
+
+        SimpleAction quit_action = new SimpleAction("quit", null);
+        quit_action.activate.connect(quit);
+        add_action(quit_action);
+        add_accelerator("<Ctrl>Q", "app.quit", null);
+
+        Builder builder = new Builder.from_resource("/org/dino-im/menu_app.ui");
+        MenuModel menu = builder.get_object("menu_app") as MenuModel;
+
+        set_app_menu(menu);
+    }
+
+    private void restore() {
+        foreach (Account account in db.get_accounts()) {
+            if (account.enabled) add_connection(account);
+        }
+    }
+
+    private void add_connection(Account account) {
+        stream_interaction.connect(account);
+    }
+
+    private void remove_connection(Account account) {
+        stream_interaction.disconnect(account);
+    }
+
+    private void load_css() {
+        var css_provider = new Gtk.CssProvider ();
+        try {
+            var file = File.new_for_uri("resource:///org/dino-im/style.css");
+            css_provider.load_from_file (file);
+        } catch (GLib.Error e) {
+            warning ("loading css: %s", e.message);
+        }
+        Gtk.StyleContext.add_provider_for_screen (Gdk.Screen.get_default(), css_provider, Gtk.STYLE_PROVIDER_PRIORITY_APPLICATION);
+    }
+}
+
diff --git a/libdino/src/ui/avatar_generator.vala b/libdino/src/ui/avatar_generator.vala
new file mode 100644
index 00000000..e168c4a4
--- /dev/null
+++ b/libdino/src/ui/avatar_generator.vala
@@ -0,0 +1,233 @@
+using Cairo;
+using Gee;
+using Gdk;
+using Gtk;
+
+using Dino.Entities;
+
+namespace Dino.Ui {
+public class AvatarGenerator {
+
+    private const string COLOR_GREY = "E0E0E0";
+    private const string GROUPCHAT_ICON = "system-users-symbolic";
+
+    StreamInteractor? stream_interactor;
+    bool greyscale = false;
+    bool stateless = false;
+    int width;
+    int height;
+    int scale_factor;
+
+    public AvatarGenerator(int width, int height, int scale_factor = 1) {
+        this.width = width;
+        this.height = height;
+        this.scale_factor = scale_factor;
+    }
+
+    public Pixbuf draw_jid(StreamInteractor stream_interactor, Jid jid, Account account) {
+        this.stream_interactor = stream_interactor;
+        return crop_corners(draw_tile(jid, account, width * scale_factor, height * scale_factor));
+    }
+
+    public Pixbuf draw_message(StreamInteractor stream_interactor, Message message) {
+        Jid? real_jid = MucManager.get_instance(stream_interactor).get_message_real_jid(message);
+        return draw_jid(stream_interactor, real_jid != null ? real_jid : message.from, message.account);
+    }
+
+    public Pixbuf draw_conversation(StreamInteractor stream_interactor, Conversation conversation) {
+        return draw_jid(stream_interactor, conversation.counterpart, conversation.account);
+    }
+
+    public Pixbuf draw_account(StreamInteractor stream_interactor, Account account) {
+        return draw_jid(stream_interactor, account.bare_jid, account);
+    }
+
+    public Pixbuf draw_text(string text) {
+        string color = greyscale ? COLOR_GREY : Util.get_avatar_hex_color(text);
+        Pixbuf pixbuf = draw_colored_rectangle_text(color, text, width, height);
+        return crop_corners(pixbuf);
+    }
+
+    public AvatarGenerator set_greyscale(bool greyscale) {
+        this.greyscale = greyscale;
+        return this;
+    }
+
+    public AvatarGenerator set_stateless(bool stateless) {
+        this.stateless = stateless;
+        return this;
+    }
+
+    private int get_left_border() {
+        return (int)Math.floor(scale_factor/2.0);
+    }
+
+    private int get_right_border() {
+        return (int)Math.ceil(scale_factor/2.0);
+    }
+
+    private void add_tile_to_pixbuf(Pixbuf pixbuf, Jid jid, Account account, int width, int height, int x, int y) {
+        Pixbuf tile = draw_chat_tile(jid, account, width, height);
+        tile.copy_area(0, 0, width, height, pixbuf, x, y);
+    }
+
+    private Pixbuf draw_tile(Jid jid, Account account, int width, int height) {
+        if (MucManager.get_instance(stream_interactor).is_groupchat(jid, account)) {
+            return draw_groupchat_tile(jid, account, width, height);
+        } else {
+            return draw_chat_tile(jid, account, width, height);
+        }
+    }
+
+    private Pixbuf draw_chat_tile(Jid jid, Account account, int width, int height) {
+        if (MucManager.get_instance(stream_interactor).is_groupchat_occupant(jid, account)) {
+            Jid? real_jid = MucManager.get_instance(stream_interactor).get_real_jid(jid, account);
+            if (real_jid != null) {
+                return draw_tile(real_jid, account, width, height);
+            }
+        }
+        Pixbuf? avatar = AvatarManager.get_instance(stream_interactor).get_avatar(account, jid);
+        if (avatar != null) {
+            double desired_ratio = (double) width / height;
+            double avatar_ratio = (double) avatar.width / avatar.height;
+            if (avatar_ratio > desired_ratio) {
+                int comp_width = width * avatar.height / height;
+                avatar = new Pixbuf.subpixbuf(avatar, avatar.width / 2 - comp_width / 2, 0, comp_width, avatar.height);
+            } else if (avatar_ratio < desired_ratio) {
+                int comp_height = height * avatar.width / width;
+                avatar = new Pixbuf.subpixbuf(avatar, 0, avatar.height / 2 - comp_height / 2, avatar.width, comp_height);
+            }
+            avatar = avatar.scale_simple(width, height, InterpType.BILINEAR);
+            if (greyscale) avatar = convert_to_greyscale(avatar);
+            return avatar;
+        } else {
+            string display_name = Util.get_display_name(stream_interactor, jid, account);
+            string color = greyscale ? COLOR_GREY : Util.get_avatar_hex_color(display_name);
+            return draw_colored_rectangle_text(color, display_name.get_char(0).toupper().to_string(), width, height);
+        }
+    }
+
+    private Pixbuf draw_groupchat_tile(Jid jid, Account account, int width, int height) {
+        ArrayList<Jid>? occupants = MucManager.get_instance(stream_interactor).get_other_occupants(jid, account);
+        if (stateless || occupants == null || occupants.size == 0) {
+            return draw_chat_tile(jid, account, width, height);
+        }
+        Pixbuf pixbuf = initialize_pixbuf(width, height);
+        if (occupants.size == 1 || occupants.size == 2 || occupants.size == 3) {
+            add_tile_to_pixbuf(pixbuf, occupants[0], account, width / 2 - get_right_border(), height, 0, 0);
+            if (occupants.size == 1) {
+                add_tile_to_pixbuf(pixbuf, account.bare_jid, account, width / 2 - get_left_border(), height, width / 2 + get_left_border(), 0);
+            } else if (occupants.size == 2) {
+                add_tile_to_pixbuf(pixbuf, occupants[1], account, width / 2 - get_left_border(), height, width / 2 + get_left_border(), 0);
+            } else if (occupants.size == 3) {
+                add_tile_to_pixbuf(pixbuf, occupants[1], account, width / 2 - get_left_border(), height / 2 - get_right_border(), width / 2 + get_left_border(), 0);
+                add_tile_to_pixbuf(pixbuf, occupants[2], account, width / 2 - get_left_border(), height / 2 - get_left_border(), width / 2 + get_left_border(), height / 2 + get_left_border());
+            }
+        } else if (occupants.size >= 4) {
+            add_tile_to_pixbuf(pixbuf, occupants[0], account, width / 2 - get_right_border(), height / 2 - get_right_border(), 0, 0);
+            add_tile_to_pixbuf(pixbuf, occupants[1], account, width / 2 - get_left_border(), height / 2 - get_right_border(), width / 2 + get_left_border(), 0);
+            add_tile_to_pixbuf(pixbuf, occupants[2], account, width / 2 - get_right_border(), height / 2 - get_left_border(), 0, height / 2 + get_left_border());
+            if (occupants.size == 4) {
+                add_tile_to_pixbuf(pixbuf, occupants[3], account, width / 2 - get_left_border(), height / 2 - get_left_border(), width / 2 + get_left_border(), height / 2 + get_left_border());
+            } else if (occupants.size > 4) {
+                Pixbuf plus_pixbuf = draw_colored_rectangle_text("555753", "+", width / 2 - get_left_border(), height / 2 - get_left_border());
+                if (greyscale) plus_pixbuf = convert_to_greyscale(plus_pixbuf);
+                plus_pixbuf.copy_area(0, 0, width / 2 - get_left_border(), height / 2 - get_left_border(), pixbuf, width / 2 + get_left_border(), height / 2 + get_left_border());
+            }
+        }
+        return pixbuf;
+    }
+
+    public Pixbuf draw_colored_icon(string hex_color, string icon, int width, int height) {
+        int ICON_SIZE = width > 20 * scale_factor ? 17 * scale_factor : 14 * scale_factor;
+
+        Context rectancle_context = new Context(new ImageSurface(Format.ARGB32, width, height));
+        draw_colored_rectangle(rectancle_context, hex_color, width, height);
+
+        Pixbuf icon_pixbuf = IconTheme.get_default().load_icon(icon, ICON_SIZE, IconLookupFlags.FORCE_SIZE);
+        Surface icon_surface = cairo_surface_create_from_pixbuf(icon_pixbuf, 1, null);
+        Context context = new Context(icon_surface);
+        context.set_operator(Operator.IN);
+        context.set_source_rgba(1, 1, 1, 1);
+        context.rectangle(0, 0, width, height);
+        context.fill();
+
+        rectancle_context.set_source_surface(icon_surface, width / 2 - ICON_SIZE / 2, height / 2 - ICON_SIZE / 2);
+        rectancle_context.paint();
+
+        return pixbuf_get_from_surface(rectancle_context.get_target(), 0, 0, width, height);
+    }
+
+    public Pixbuf draw_colored_rectangle_text(string hex_color, string text, int width, int height) {
+        Context ctx = new Context(new ImageSurface(Format.ARGB32, width, height));
+        draw_colored_rectangle(ctx, hex_color, width, height);
+        draw_center_text(ctx, text, width < 40 * scale_factor ? 17 * scale_factor : 25 * scale_factor, width, height);
+        return pixbuf_get_from_surface(ctx.get_target(), 0, 0, width, height);
+    }
+
+    private static void draw_center_text(Context ctx, string text, int fontsize, int width, int height) {
+        ctx.select_font_face("Sans", Cairo.FontSlant.NORMAL, Cairo.FontWeight.NORMAL);
+        ctx.set_font_size(fontsize);
+        Cairo.TextExtents extents;
+        ctx.text_extents(text, out extents);
+        double x_pos = width/2 - (extents.width/2 + extents.x_bearing);
+        double y_pos = height/2 - (extents.height/2 + extents.y_bearing);
+        ctx.move_to(x_pos, y_pos);
+        ctx.set_source_rgba(1, 1, 1, 1);
+        ctx.show_text(text);
+    }
+
+    private static void draw_colored_rectangle(Context ctx, string hex_color, int width, int height) {
+        set_source_hex_color(ctx, hex_color);
+        ctx.rectangle(0, 0, width, height);
+        ctx.fill();
+    }
+
+    private static Pixbuf convert_to_greyscale(Pixbuf pixbuf) {
+        Surface surface = cairo_surface_create_from_pixbuf(pixbuf, 1, null);
+        Context context = new Context(surface);
+        // convert to greyscale
+        context.set_operator(Operator.HSL_COLOR);
+        context.set_source_rgb(1, 1, 1);
+        context.rectangle(0, 0, pixbuf.width, pixbuf.height);
+        context.fill();
+        // make the visible part more light
+        context.set_operator(Operator.ATOP);
+        context.set_source_rgba(1, 1, 1, 0.7);
+        context.rectangle(0, 0, pixbuf.width, pixbuf.height);
+        context.fill();
+        return pixbuf_get_from_surface(context.get_target(), 0, 0, pixbuf.width, pixbuf.height);
+    }
+
+    private Pixbuf crop_corners(Pixbuf pixbuf, double radius = 3) {
+        radius *= scale_factor;
+        Context ctx = new Context(new ImageSurface(Format.ARGB32, pixbuf.width, pixbuf.height));
+        cairo_set_source_pixbuf(ctx, pixbuf, 0, 0);
+        double degrees = Math.PI / 180.0;
+        ctx.new_sub_path();
+        ctx.arc(pixbuf.width - radius, radius, radius, -90 * degrees, 0 * degrees);
+        ctx.arc(pixbuf.width - radius, pixbuf.height - radius, radius, 0 * degrees, 90 * degrees);
+        ctx.arc(radius, pixbuf.height - radius, radius, 90 * degrees, 180 * degrees);
+        ctx.arc(radius, radius, radius, 180 * degrees, 270 * degrees);
+        ctx.close_path();
+        ctx.clip();
+        ctx.paint();
+        return pixbuf_get_from_surface(ctx.get_target(), 0, 0, pixbuf.width, pixbuf.height);
+    }
+
+    private static Pixbuf initialize_pixbuf(int width, int height) {
+        Context ctx = new Context(new ImageSurface(Format.ARGB32, width, height));
+        ctx.set_source_rgba(1, 1, 1, 0);
+        ctx.rectangle(0, 0, width, height);
+        ctx.fill();
+        return pixbuf_get_from_surface(ctx.get_target(), 0, 0, width, height);
+    }
+
+    private static void set_source_hex_color(Context ctx, string hex_color) {
+        ctx.set_source_rgba((double) hex_color.substring(0, 2).to_long(null, 16) / 255,
+                            (double) hex_color.substring(2, 2).to_long(null, 16) / 255,
+                            (double) hex_color.substring(4, 2).to_long(null, 16) / 255,
+                            hex_color.length > 6 ? (double) hex_color.substring(6, 2).to_long(null, 16) / 255 : 1);
+    }
+}
+}
diff --git a/libdino/src/ui/chat_input.vala b/libdino/src/ui/chat_input.vala
new file mode 100644
index 00000000..d2f9c562
--- /dev/null
+++ b/libdino/src/ui/chat_input.vala
@@ -0,0 +1,123 @@
+using Gdk;
+using Gee;
+using Gtk;
+
+using Dino.Entities;
+using Xmpp;
+
+namespace Dino.Ui {
+[GtkTemplate (ui = "/org/dino-im/chat_input.ui")]
+public class ChatInput : Grid {
+
+    [GtkChild]
+    private TextView text_input;
+
+    private Conversation? conversation;
+    private StreamInteractor stream_interactor;
+    private HashMap<Conversation, string> entry_cache = new HashMap<Conversation, string>(Conversation.hash_func, Conversation.equals_func);
+    private static HashMap<string, string> smiley_translations = new HashMap<string, string>();
+
+    static construct {
+        smiley_translations[":)"] = "🙂";
+        smiley_translations[":D"] = "😀";
+        smiley_translations[";)"] = "😉";
+        smiley_translations["O:)"] = "😇";
+        smiley_translations["]:>"] = "😈";
+        smiley_translations[":o"] = "😮";
+        smiley_translations[":P"] = "😛";
+        smiley_translations[";P"] = "😜";
+        smiley_translations[":("] = "🙁";
+        smiley_translations[":'("] = "😢";
+        smiley_translations[":/"] = "😕";
+        smiley_translations["-.-"] = "😑";
+    }
+
+    public ChatInput(StreamInteractor stream_interactor) {
+        this.stream_interactor = stream_interactor;
+    }
+
+    public void initialize_for_conversation(Conversation conversation) {
+        if (this.conversation != null) {
+            if (text_input.buffer.text != "") {
+                entry_cache[this.conversation] = text_input.buffer.text;
+            } else {
+                entry_cache.unset(this.conversation);
+            }
+        }
+        this.conversation = conversation;
+        text_input.buffer.text = "";
+        if (entry_cache.has_key(conversation)) {
+            text_input.buffer.text = entry_cache[conversation];
+        }
+        text_input.key_press_event.connect(on_text_input_key_press);
+        text_input.key_release_event.connect(on_text_input_key_release);
+        text_input.grab_focus();
+    }
+
+    private void send_text() {
+        string text = text_input.buffer.text;
+        if (text.has_prefix("/")) {
+            string[] token = text.split(" ", 2);
+            switch(token[0]) {
+                case "/kick":
+                    MucManager.get_instance(stream_interactor).kick(conversation.account, conversation.counterpart, token[1]);
+                    break;
+                case "/me":
+                    MessageManager.get_instance(stream_interactor).send_message(text, conversation);
+                    break;
+                case "/nick":
+                    MucManager.get_instance(stream_interactor).change_nick(conversation.account, conversation.counterpart, token[1]);
+                    break;
+                case "/ping": // TODO remove this
+                    Xep.Ping.Module.get_module(stream_interactor.get_stream(conversation.account))
+                        .send_ping(stream_interactor.get_stream(conversation.account), @"$(conversation.counterpart.bare_jid)/$(token[1])");
+                    Xep.Ping.Module.get_module(stream_interactor.get_stream(conversation.account)).get_id();
+                    break;
+                case "/topic":
+                    MucManager.get_instance(stream_interactor).change_subject(conversation.account, conversation.counterpart, token[1]);
+                    break;
+            }
+        } else {
+            MessageManager.get_instance(stream_interactor).send_message(text, conversation);
+        }
+        text_input.buffer.text = "";
+    }
+
+    private bool on_text_input_key_press(EventKey event) {
+        if (event.keyval == Key.space || event.keyval == Key.Return) {
+            check_convert_smiley();
+        }
+        if (event.keyval == Key.Return) {
+            if (event.state == ModifierType.SHIFT_MASK) {
+                text_input.buffer.insert_at_cursor("\n", 1);
+            } else if (text_input.buffer.text != ""){
+                send_text();
+            }
+            return true;
+        }
+        return false;
+    }
+
+    private void check_convert_smiley() {
+        if (Dino.Settings.instance().convert_utf8_smileys) {
+            foreach (string smiley in smiley_translations.keys) {
+                if (text_input.buffer.text.has_suffix(smiley)) {
+                    if (text_input.buffer.text.length == smiley.length ||
+                            text_input.buffer.text[text_input.buffer.text.length - smiley.length - 1] == ' ') {
+                        text_input.buffer.text = text_input.buffer.text.substring(0, text_input.buffer.text.length - smiley.length) + smiley_translations[smiley];
+                    }
+                }
+            }
+        }
+    }
+
+    private bool on_text_input_key_release(EventKey event) {
+        if (text_input.buffer.text != "") {
+            ChatInteraction.get_instance(stream_interactor).on_message_entered(conversation);
+        } else {
+            ChatInteraction.get_instance(stream_interactor).on_message_cleared(conversation);
+        }
+        return false;
+    }
+}
+}
\ No newline at end of file
diff --git a/libdino/src/ui/conversation_list_titlebar.vala b/libdino/src/ui/conversation_list_titlebar.vala
new file mode 100644
index 00000000..4bcc9c71
--- /dev/null
+++ b/libdino/src/ui/conversation_list_titlebar.vala
@@ -0,0 +1,47 @@
+using Gtk;
+
+using Dino.Entities;
+
+[GtkTemplate (ui = "/org/dino-im/conversation_list_titlebar.ui")]
+public class Dino.Ui.ConversationListTitlebar : Gtk.HeaderBar {
+
+    public signal void conversation_opened(Conversation conversation);
+
+    [GtkChild]
+    private MenuButton add_button;
+
+    [GtkChild]
+    public ToggleButton search_button;
+
+    private StreamInteractor stream_interactor;
+
+    public ConversationListTitlebar(Window application, StreamInteractor stream_interactor) {
+        this.stream_interactor = stream_interactor;
+        create_add_menu(application);
+    }
+
+    private void create_add_menu(Window window) {
+        SimpleAction contacts_action = new SimpleAction("add_chat", null);
+        contacts_action.activate.connect(() => {
+            AddConversation.Chat.Dialog add_chat_dialog = new AddConversation.Chat.Dialog(stream_interactor);
+            add_chat_dialog.set_transient_for((Window) get_toplevel());
+            add_chat_dialog.conversation_opened.connect((conversation) => conversation_opened(conversation));
+            add_chat_dialog.show();
+        });
+        window.get_application().add_action(contacts_action);
+
+        SimpleAction conference_action = new SimpleAction("add_conference", null);
+        conference_action.activate.connect(() => {
+            AddConversation.Conference.Dialog add_conference_dialog = new AddConversation.Conference.Dialog(stream_interactor);
+            add_conference_dialog.set_transient_for((Window) get_toplevel());
+            add_conference_dialog.conversation_opened.connect((conversation) => conversation_opened(conversation));
+            add_conference_dialog.show();
+        });
+        window.get_application().add_action(conference_action);
+
+        Builder builder = new Builder.from_resource("/org/dino-im/menu_add.ui");
+        MenuModel menu = builder.get_object("menu_add") as MenuModel;
+        add_button.set_menu_model(menu);
+    }
+}
+
diff --git a/libdino/src/ui/conversation_selector/chat_row.vala b/libdino/src/ui/conversation_selector/chat_row.vala
new file mode 100644
index 00000000..1613b404
--- /dev/null
+++ b/libdino/src/ui/conversation_selector/chat_row.vala
@@ -0,0 +1,88 @@
+using Gdk;
+using Gee;
+using Gtk;
+
+using Xmpp;
+using Dino.Entities;
+
+namespace Dino.Ui.ConversationSelector {
+public class ChatRow : ConversationRow {
+
+    public ChatRow(StreamInteractor stream_interactor, Conversation conversation) {
+        base(stream_interactor, conversation);
+        has_tooltip = true;
+        query_tooltip.connect ((x, y, keyboard_tooltip, tooltip) => {
+            tooltip.set_custom(generate_tooltip());
+            return true;
+        });
+        update_avatar();
+    }
+
+    public override void on_show_received(Show show) {
+        update_avatar();
+    }
+
+    public override void network_connection(bool connected) {
+        if (!connected) {
+            set_avatar((new AvatarGenerator(AVATAR_SIZE, AVATAR_SIZE, image.scale_factor)).set_greyscale(true).draw_conversation(stream_interactor, conversation), image.scale_factor);
+        } else {
+            update_avatar();
+        }
+    }
+
+    public void on_updated_roster_item(Roster.Item roster_item) {
+        if (roster_item.name != null) {
+            display_name = roster_item.name;
+            update_name();
+        }
+        update_avatar();
+    }
+
+    public void update_avatar() {
+        ArrayList<Jid> full_jids = PresenceManager.get_instance(stream_interactor).get_full_jids(conversation.counterpart, conversation.account);
+        set_avatar((new AvatarGenerator(AVATAR_SIZE, AVATAR_SIZE, image.scale_factor))
+            .set_greyscale(full_jids == null)
+            .draw_conversation(stream_interactor, conversation), image.scale_factor);
+    }
+
+    private Widget generate_tooltip() {
+        Builder builder = new Builder.from_resource("/org/dino-im/conversation_selector/chat_row_tooltip.ui");
+        Box main_box = builder.get_object("main_box") as Box;
+        Box inner_box = builder.get_object("inner_box") as Box;
+        Label jid_label = builder.get_object("jid_label") as Label;
+
+        jid_label.label = conversation.counterpart.to_string();
+
+        ArrayList<Jid>? full_jids = PresenceManager.get_instance(stream_interactor).get_full_jids(conversation.counterpart, conversation.account);
+        if (full_jids != null) {
+            for (int i = 0; i < full_jids.size; i++) {
+                Box box = new Box(Orientation.HORIZONTAL, 5);
+
+                Show show = PresenceManager.get_instance(stream_interactor).get_last_show(full_jids[i], conversation.account);
+                Image image = new Image();
+                Pixbuf pixbuf;
+                int icon_size = 13 * image.scale_factor;
+                if (show.as == Show.AWAY) {
+                    pixbuf = new Pixbuf.from_resource_at_scale("/org/dino-im/img/status_away.svg", icon_size, icon_size, true);
+                } else if (show.as == Show.XA || show.as == Show.DND) {
+                    pixbuf = new Pixbuf.from_resource_at_scale("/org/dino-im/img/status_dnd.svg", icon_size, icon_size, true);
+                } else if (show.as == Show.CHAT) {
+                    pixbuf = new Pixbuf.from_resource_at_scale("/org/dino-im/img/status_chat.svg", icon_size, icon_size, true);
+                } else {
+                    pixbuf = new Pixbuf.from_resource_at_scale("/org/dino-im/img/status_online.svg", icon_size, icon_size, true);
+                }
+                Util.image_set_from_scaled_pixbuf(image, pixbuf);
+                box.add(image);
+
+                Label resource = new Label(full_jids[i].resourcepart);
+                resource.xalign = 0;
+                box.add(resource);
+                box.show_all();
+
+                inner_box.add(box);
+            }
+        }
+        return main_box;
+    }
+}
+}
\ No newline at end of file
diff --git a/libdino/src/ui/conversation_selector/conversation_row.vala b/libdino/src/ui/conversation_selector/conversation_row.vala
new file mode 100644
index 00000000..e641cab2
--- /dev/null
+++ b/libdino/src/ui/conversation_selector/conversation_row.vala
@@ -0,0 +1,175 @@
+using Gee;
+using Gdk;
+using Gtk;
+using Pango;
+
+using Xmpp;
+using Dino.Entities;
+
+namespace Dino.Ui.ConversationSelector {
+
+[GtkTemplate (ui = "/org/dino-im/conversation_selector/conversation_row.ui")]
+public abstract class ConversationRow : ListBoxRow {
+
+    [GtkChild]
+    protected Image image;
+
+    [GtkChild]
+    private Label name_label;
+
+    [GtkChild]
+    private Label time_label;
+
+    [GtkChild]
+    private Label message_label;
+
+    [GtkChild]
+    protected Button x_button;
+
+    [GtkChild]
+    private Revealer time_revealer;
+
+    [GtkChild]
+    private Revealer xbutton_revealer;
+
+    [GtkChild]
+    public Revealer main_revealer;
+
+    public Conversation conversation { get; private set; }
+
+    protected const int AVATAR_SIZE = 40;
+
+    protected string display_name;
+    protected string message;
+    protected DateTime time;
+    protected bool read = true;
+
+
+    protected StreamInteractor stream_interactor;
+
+    construct {
+        name_label.attributes = new AttrList();
+    }
+
+    public ConversationRow(StreamInteractor stream_interactor, Conversation conversation) {
+        this.conversation = conversation;
+        this.stream_interactor = stream_interactor;
+
+        x_button.clicked.connect(on_x_button_clicked);
+
+        update_name(Util.get_conversation_display_name(stream_interactor, conversation));
+        Entities.Message message = MessageManager.get_instance(stream_interactor).get_last_message(conversation);
+        if (message != null) {
+            message_received(message);
+        }
+    }
+
+    public void update() {
+        update_time();
+    }
+
+    public void message_received(Entities.Message message) {
+        update_message(message.body.replace("\n", " "));
+        update_time(message.time.to_local());
+    }
+
+    public void set_avatar(Pixbuf pixbuf, int scale_factor = 1) {
+        Util.image_set_from_scaled_pixbuf(image, pixbuf, scale_factor);
+        image.queue_draw();
+    }
+
+    public void mark_read() {
+        update_read(true);
+    }
+
+    public void mark_unread() {
+        update_read(false);
+    }
+
+    public abstract void on_show_received(Show presence);
+    public abstract void network_connection(bool connected);
+
+    protected void update_name(string? new_name = null) {
+        if (new_name != null) {
+            display_name = new_name;
+        }
+        name_label.label = display_name;
+    }
+
+    protected void update_time(DateTime? new_time = null) {
+        time_label.visible = true;
+        if (new_time != null) {
+            time = new_time;
+        }
+        if (time != null) {
+            time_label.label = get_relative_time(time);
+        }
+    }
+
+    protected void update_message(string? new_message = null) {
+        if (new_message != null) {
+            message = new_message;
+        }
+        if (message != null) {
+            message_label.visible = true;
+            message_label.label = message;
+        }
+    }
+
+    protected void update_read(bool read) {
+        this.read = read;
+        if (read) {
+            name_label.attributes.filter((attr) => attr.equal(attr_weight_new(Weight.BOLD)));
+            time_label.attributes.filter((attr) => attr.equal(attr_weight_new(Weight.BOLD)));
+            message_label.attributes.filter((attr) => attr.equal(attr_weight_new(Weight.BOLD)));
+        } else {
+            name_label.attributes.insert(attr_weight_new(Weight.BOLD));
+            time_label.attributes.insert(attr_weight_new(Weight.BOLD));
+            message_label.attributes.insert(attr_weight_new(Weight.BOLD));
+        }
+        name_label.label = name_label.label; // TODO initializes redrawing, which would otherwise not happen. nicer?
+        time_label.label = time_label.label;
+        message_label.label = message_label.label;
+    }
+
+    private void on_x_button_clicked() {
+        main_revealer.set_transition_type(RevealerTransitionType.SLIDE_UP);
+        main_revealer.set_reveal_child(false);
+        main_revealer.notify["child-revealed"].connect(() => {
+            conversation.active = false;
+        });
+    }
+
+    public override void state_flags_changed(StateFlags flags) {
+        StateFlags curr_flags = get_state_flags();
+        if ((curr_flags & StateFlags.PRELIGHT) != 0) {
+            time_revealer.set_reveal_child(false);
+            xbutton_revealer.set_reveal_child(true);
+        } else {
+            time_revealer.set_reveal_child(true);
+            xbutton_revealer.set_reveal_child(false);
+        }
+    }
+
+    private static string get_relative_time(DateTime datetime) {
+         DateTime now = new DateTime.now_local();
+         TimeSpan timespan = now.difference(datetime);
+         if (timespan > 365 * TimeSpan.DAY) {
+             return datetime.get_year().to_string();
+         } else if (timespan > 7 * TimeSpan.DAY) {
+             return datetime.format("%d.%m");
+         } else if (timespan > 2 * TimeSpan.DAY) {
+             return datetime.format("%a");
+         } else if (timespan > 1 * TimeSpan.DAY) {
+             return "Yesterday";
+         } else if (timespan > 9 * TimeSpan.MINUTE) {
+             return datetime.format("%H:%M");
+         } else if (timespan > 1 * TimeSpan.MINUTE) {
+             return (timespan / TimeSpan.MINUTE).to_string() + " min ago";
+         } else {
+             return "Just now";
+         }
+    }
+
+}
+}
diff --git a/libdino/src/ui/conversation_selector/groupchat_row.vala b/libdino/src/ui/conversation_selector/groupchat_row.vala
new file mode 100644
index 00000000..bec2181e
--- /dev/null
+++ b/libdino/src/ui/conversation_selector/groupchat_row.vala
@@ -0,0 +1,33 @@
+using Dino.Entities;
+
+namespace Dino.Ui.ConversationSelector {
+public class GroupchatRow : ConversationRow {
+
+    public GroupchatRow(StreamInteractor stream_interactor, Conversation conversation) {
+        base(stream_interactor, conversation);
+        has_tooltip = true;
+        set_tooltip_text(conversation.counterpart.bare_jid.to_string());
+        set_avatar((new AvatarGenerator(AVATAR_SIZE, AVATAR_SIZE, image.scale_factor))
+            .set_greyscale(true)
+            .draw_conversation(stream_interactor, conversation), image.scale_factor);
+        x_button.clicked.connect(on_x_button_clicked);
+    }
+
+
+    public override void on_show_received(Show show) {
+        set_avatar((new AvatarGenerator(AVATAR_SIZE, AVATAR_SIZE, image.scale_factor))
+            .draw_conversation(stream_interactor, conversation), image.scale_factor);
+    }
+
+    public override void network_connection(bool connected) {
+        set_avatar((new AvatarGenerator(AVATAR_SIZE, AVATAR_SIZE, image.scale_factor))
+            .set_greyscale(!connected ||
+                    MucManager.get_instance(stream_interactor).get_nick(conversation.counterpart, conversation.account) == null) // TODO better currently joined
+            .draw_conversation(stream_interactor, conversation), image.scale_factor);
+    }
+
+    private void on_x_button_clicked() {
+        MucManager.get_instance(stream_interactor).part(conversation.account, conversation.counterpart);
+    }
+}
+}
\ No newline at end of file
diff --git a/libdino/src/ui/conversation_selector/list.vala b/libdino/src/ui/conversation_selector/list.vala
new file mode 100644
index 00000000..e6a5231c
--- /dev/null
+++ b/libdino/src/ui/conversation_selector/list.vala
@@ -0,0 +1,173 @@
+using Gee;
+using Gtk;
+
+using Xmpp;
+using Dino.Entities;
+
+namespace Dino.Ui.ConversationSelector {
+public class List : ListBox {
+
+    public signal void conversation_selected(Conversation conversation);
+
+    private StreamInteractor stream_interactor;
+    private string[]? filter_values;
+    private HashMap<Conversation, ConversationRow> rows = new HashMap<Conversation, ConversationRow>(Conversation.hash_func, Conversation.equals_func);
+
+    public List(StreamInteractor stream_interactor) {
+        this.stream_interactor = stream_interactor;
+
+        get_style_context().add_class("sidebar");
+        set_filter_func(filter);
+        set_header_func(header);
+        set_sort_func(sort);
+
+        ChatInteraction.get_instance(stream_interactor).conversation_read.connect((conversation) => {
+            Idle.add(() => {rows[conversation].mark_read(); return false;});
+        });
+        ChatInteraction.get_instance(stream_interactor).conversation_unread.connect((conversation) => {
+            Idle.add(() => {rows[conversation].mark_unread(); return false;});
+        });
+        ConversationManager.get_instance(stream_interactor).conversation_activated.connect((conversation) => {
+            Idle.add(() => {add_conversation(conversation); return false;});
+        });
+        MessageManager.get_instance(stream_interactor).message_received.connect((message, conversation) => {
+            Idle.add(() => {message_received(message, conversation); return false;});
+        });
+        MessageManager.get_instance(stream_interactor).message_sent.connect((message, conversation) => {
+            Idle.add(() => {message_received(message, conversation); return false;});
+        });
+        PresenceManager.get_instance(stream_interactor).show_received.connect((show, jid, account) => {
+            Idle.add(() => {
+                Conversation? conversation = ConversationManager.get_instance(stream_interactor).get_conversation(jid, account);
+                if (conversation != null && rows.has_key(conversation)) rows[conversation].on_show_received(show);
+                return false;
+            });
+        });
+        RosterManager.get_instance(stream_interactor).updated_roster_item.connect((account, jid, roster_item) => {
+            Idle.add(() => {
+                Conversation? conversation = ConversationManager.get_instance(stream_interactor).get_conversation(jid, account);
+                if (conversation != null && rows.has_key(conversation)) {
+                    ChatRow row = rows[conversation] as ChatRow;
+                    if (row != null) row.on_updated_roster_item(roster_item);
+                }
+                return false;
+            });
+        });
+        AvatarManager.get_instance(stream_interactor).received_avatar.connect((avatar, jid, account) => {
+            Idle.add(() => {
+                Conversation? conversation = ConversationManager.get_instance(stream_interactor).get_conversation(jid, account);
+                if (conversation != null && rows.has_key(conversation)) {
+                    ChatRow row = rows[conversation] as ChatRow;
+                    if (row != null) row.update_avatar();
+                }
+                return false;
+            });
+        });
+        stream_interactor.connection_manager.connection_state_changed.connect((account, state) => {
+            Idle.add(() => {
+                foreach (ConversationRow row in rows.values) {
+                    if (row.conversation.account.equals(account)) row.network_connection(state == ConnectionManager.ConnectionState.CONNECTED);
+                }
+                return false;
+            });
+        });
+        Timeout.add_seconds(60, () => {
+            foreach (ConversationRow row in rows.values) row.update();
+            return true;
+        });
+    }
+
+    public override void row_activated(ListBoxRow r) {
+        if (r.get_type().is_a(typeof(ConversationRow))) {
+            ConversationRow row = r as ConversationRow;
+            conversation_selected(row.conversation);
+        }
+    }
+
+    public void set_filter_values(string[]? values) {
+        if (filter_values == values) {
+            return;
+        }
+        filter_values = values;
+        invalidate_filter();
+    }
+
+    public void add_conversation(Conversation conversation) {
+        ConversationRow row;
+        if (!rows.has_key(conversation)) {
+            if (conversation.type_ == Conversation.Type.GROUPCHAT) {
+                row = new GroupchatRow(stream_interactor, conversation);
+            } else {
+                row = new ChatRow(stream_interactor, conversation);
+            }
+            rows[conversation] = row;
+            add(row);
+            row.main_revealer.set_reveal_child(true);
+            conversation.notify["active"].connect((s, p) => {
+                if (rows.has_key(conversation) && !conversation.active) {
+                    remove_conversation(conversation);
+                }
+            });
+        }
+        invalidate_sort();
+        queue_draw();
+    }
+
+    public void remove_conversation(Conversation conversation) {
+        remove(rows[conversation]);
+        rows.unset(conversation);
+    }
+
+    public void on_conversation_selected(Conversation conversation) {
+        if (!rows.has_key(conversation)) {
+            add_conversation(conversation);
+        }
+        this.select_row(rows[conversation]);
+    }
+
+    private void message_received(Entities.Message message, Conversation conversation) {
+        if (rows.has_key(conversation)) {
+            rows[conversation].message_received(message);
+            invalidate_sort();
+        }
+    }
+
+    private void header(ListBoxRow row, ListBoxRow? before_row) {
+        if (row.get_header() == null && before_row != null) {
+            row.set_header(new Separator(Orientation.HORIZONTAL));
+        }
+    }
+
+    private bool filter(ListBoxRow r) {
+        if (r.get_type().is_a(typeof(ConversationRow))) {
+            ConversationRow row = r as ConversationRow;
+            if (filter_values != null && filter_values.length != 0) {
+                foreach (string filter in filter_values) {
+                    if (!(Util.get_conversation_display_name(stream_interactor, row.conversation).down().contains(filter.down()) ||
+                            row.conversation.counterpart.to_string().down().contains(filter.down()))) {
+                        return false;
+                    }
+                }
+            }
+        }
+        return true;
+    }
+
+    private int sort(ListBoxRow row1, ListBoxRow row2) {
+        ConversationRow cr1 = row1 as ConversationRow;
+        ConversationRow cr2 = row2 as ConversationRow;
+        if (cr1 != null && cr2 != null) {
+            Conversation c1 = cr1.conversation;
+            Conversation c2 = cr2.conversation;
+            int comp = c2.last_active.compare(c1.last_active);
+            if (comp == 0) {
+                return Util.get_conversation_display_name(stream_interactor, c1)
+                    .collate(Util.get_conversation_display_name(stream_interactor, c2));
+            } else {
+                return comp;
+            }
+        }
+        return 0;
+    }
+}
+}
\ No newline at end of file
diff --git a/libdino/src/ui/conversation_selector/view.vala b/libdino/src/ui/conversation_selector/view.vala
new file mode 100644
index 00000000..c551d258
--- /dev/null
+++ b/libdino/src/ui/conversation_selector/view.vala
@@ -0,0 +1,56 @@
+using Gee;
+using Gtk;
+using Gdk;
+
+using Dino.Entities;
+
+namespace Dino.Ui.ConversationSelector {
+
+[GtkTemplate (ui = "/org/dino-im/conversation_selector/view.ui")]
+public class View : Grid {
+    public List conversation_list;
+
+    [GtkChild]
+    public SearchEntry search_entry;
+
+    [GtkChild]
+    public SearchBar search_bar;
+
+    [GtkChild]
+    private ScrolledWindow scrolled;
+
+    public View(StreamInteractor stream_interactor) {
+        conversation_list = new List(stream_interactor);
+        scrolled.add(conversation_list);
+        search_entry.key_release_event.connect(search_key_release_event);
+        search_entry.search_changed.connect(search_changed);
+    }
+
+    public void conversation_selected(Conversation? conversation) {
+        search_entry.set_text("");
+    }
+
+    private void refilter() {
+        string[]? values = null;
+        string str = search_entry.get_text ();
+        if (str != "") values = str.split(" ");
+        conversation_list.set_filter_values(values);
+    }
+
+    private void search_changed(Editable editable) {
+        refilter();
+    }
+
+    private bool search_key_release_event(EventKey event) {
+        conversation_list.select_row(conversation_list.get_row_at_y(0));
+        if (event.keyval == Key.Down) {
+            ConversationRow? row = (ConversationRow) conversation_list.get_row_at_index(0);
+            if (row != null) {
+                conversation_list.select_row(row);
+                row.grab_focus();
+            }
+        }
+        return false;
+    }
+}
+}
\ No newline at end of file
diff --git a/libdino/src/ui/conversation_summary/merged_message_item.vala b/libdino/src/ui/conversation_summary/merged_message_item.vala
new file mode 100644
index 00000000..3647d082
--- /dev/null
+++ b/libdino/src/ui/conversation_summary/merged_message_item.vala
@@ -0,0 +1,170 @@
+using Gee;
+using Gdk;
+using Gtk;
+using Markup;
+
+using Dino.Entities;
+
+namespace Dino.Ui.ConversationSummary {
+
+[GtkTemplate (ui = "/org/dino-im/conversation_summary/message_item.ui")]
+public class MergedMessageItem : Grid {
+
+    public Conversation conversation { get; set; }
+    public Jid from { get; private set; }
+    public DateTime initial_time { get; private set; }
+    public ArrayList<Message> messages = new ArrayList<Message>(Message.equals_func);
+
+    [GtkChild]
+    private Image image;
+
+    [GtkChild]
+    private Label time_label;
+
+    [GtkChild]
+    private Label name_label;
+
+    [GtkChild]
+    private Image encryption_image;
+
+    [GtkChild]
+    private Image received_image;
+
+    [GtkChild]
+    private TextView message_text_view;
+
+    public MergedMessageItem(StreamInteractor stream_interactor, Conversation conversation, Message message) {
+        this.conversation = conversation;
+        this.from = message.from;
+        this.initial_time = message.time;
+        setup_tags();
+        add_message(message);
+
+        time_label.label = get_relative_time(initial_time.to_local());
+        string display_name = Util.get_message_display_name(stream_interactor, message, conversation.account);
+        name_label.set_markup(@"<span foreground=\"#$(Util.get_name_hex_color(display_name))\">$display_name</span>");
+        Util.image_set_from_scaled_pixbuf(image, (new AvatarGenerator(30, 30, image.scale_factor)).draw_message(stream_interactor, message));
+        if (message.encryption == Entities.Message.Encryption.PGP) {
+            encryption_image.visible = true;
+            encryption_image.set_from_icon_name("changes-prevent-symbolic", IconSize.SMALL_TOOLBAR);
+        }
+    }
+
+    public void update() {
+        time_label.label = get_relative_time(initial_time.to_local());
+    }
+
+    public void add_message(Message message) {
+        TextIter end;
+        message_text_view.buffer.get_end_iter(out end);
+        if (messages.size > 0) {
+            message_text_view.buffer.insert(ref end, "\n", -1);
+        }
+        message_text_view.buffer.insert(ref end, message.body, -1);
+        format_suffix_urls(message.body);
+        messages.add(message);
+        message.notify["marked"].connect_after(update_received); // TODO other thread? not main? css error? gtk main?
+        update_received();
+    }
+
+    private void update_received() {
+        bool all_received = true;
+        bool all_read = true;
+        foreach (Message message in messages) {
+            if (message.marked == Message.Marked.WONTSEND) {
+                received_image.visible = true;
+                Gtk.IconTheme icon_theme = Gtk.IconTheme.get_default();
+                Gtk.IconInfo? icon_info = icon_theme.lookup_icon("dialog-warning-symbolic", IconSize.SMALL_TOOLBAR, 0);
+                received_image.set_from_pixbuf(icon_info.load_symbolic({1,0,0,1}));
+                return;
+            } else if (message.marked != Message.Marked.READ) {
+                all_read = false;
+                if (message.marked != Message.Marked.RECEIVED) {
+                    all_received = false;
+                }
+            }
+        }
+        if (all_read) {
+            received_image.visible = true;
+            received_image.set_from_resource("/org/dino-im/img/double_tick.svg");
+        } else if (all_received) {
+            received_image.visible = true;
+            received_image.set_from_resource("/org/dino-im/img/tick.svg");
+        } else if (received_image.visible) {
+            received_image.set_from_icon_name("image-loading-symbolic", IconSize.SMALL_TOOLBAR);
+        }
+    }
+
+    private void format_suffix_urls(string text) {
+        int absolute_start = message_text_view.buffer.text.length - text.length;
+
+        Regex url_regex = new Regex("""(?i)\b((?:[a-z][\w-]+:(?:\/{1,3}|[a-z0-9%])|www\d{0,3}[.]|[a-z0-9.\-]+[.][a-z]{2,4}\/)(?:[^\s()<>]+|\(([^\s()<>]+|(\([^\s()<>]+\)))*\))+(?:\(([^\s()<>]+|(\([^\s()<>]+\)))*\)|[^\s`!()\[\]{};:'".,<>?«»“”‘’]))""");
+        MatchInfo match_info;
+        url_regex.match(text, 0, out match_info);
+        for (; match_info.matches(); match_info.next()) {
+            string? url = match_info.fetch(0);
+            int start;
+            int end;
+            match_info.fetch_pos(0, out start, out end);
+            TextIter start_iter;
+            TextIter end_iter;
+            message_text_view.buffer.get_iter_at_offset(out start_iter, absolute_start + start);
+            message_text_view.buffer.get_iter_at_offset(out end_iter, absolute_start + end);
+            message_text_view.buffer.apply_tag_by_name("url", start_iter, end_iter);
+        }
+    }
+
+    private void setup_tags() {
+        message_text_view.buffer.create_tag("url", underline: Pango.Underline.SINGLE, foreground: "blue");
+        message_text_view.button_release_event.connect(open_url);
+        message_text_view.motion_notify_event.connect(change_cursor_over_url);
+    }
+
+    private bool open_url(EventButton event_button) {
+        int buffer_x, buffer_y;
+        message_text_view.window_to_buffer_coords(TextWindowType.TEXT, (int) event_button.x, (int) event_button.y, out buffer_x, out buffer_y);
+        TextIter iter;
+        message_text_view.get_iter_at_location(out iter, buffer_x, buffer_y);
+        TextIter start_iter = iter, end_iter = iter;
+        if (start_iter.backward_to_tag_toggle(null) && end_iter.forward_to_tag_toggle(null)) {
+            string url = start_iter.get_text(end_iter);
+            try{
+                AppInfo.launch_default_for_uri(url, null);
+            } catch (Error err) {
+                print("Tryed to open " + url);
+            }
+        }
+        return false;
+    }
+
+    private bool change_cursor_over_url(EventMotion event_motion) {
+        TextIter iter;
+        message_text_view.get_iter_at_location(out iter, (int) event_motion.x, (int) event_motion.y);
+        if (iter.has_tag(message_text_view.buffer.tag_table.lookup("url"))) {
+            event_motion.window.set_cursor(new Cursor.for_display(get_display(), CursorType.HAND2));
+        } else {
+            event_motion.window.set_cursor(new Cursor.for_display(get_display(), CursorType.XTERM));
+        }
+        return false;
+    }
+
+    private static string get_relative_time(DateTime datetime) {
+         DateTime now = new DateTime.now_local();
+         TimeSpan timespan = now.difference(datetime);
+         if (timespan > 365 * TimeSpan.DAY) {
+             return datetime.format("%d.%m.%Y %H:%M");
+         } else if (timespan > 7 * TimeSpan.DAY) {
+             return datetime.format("%d.%m %H:%M");
+         } else if (timespan > 1 * TimeSpan.DAY) {
+             return datetime.format("%a, %H:%M");
+         } else if (timespan > 9 * TimeSpan.MINUTE) {
+             return datetime.format("%H:%M");
+         } else if (timespan > TimeSpan.MINUTE) {
+             return (timespan / TimeSpan.MINUTE).to_string() + " min ago";
+         } else {
+             return "Just now";
+         }
+    }
+}
+
+}
diff --git a/libdino/src/ui/conversation_summary/merged_status_item.vala b/libdino/src/ui/conversation_summary/merged_status_item.vala
new file mode 100644
index 00000000..78b156e9
--- /dev/null
+++ b/libdino/src/ui/conversation_summary/merged_status_item.vala
@@ -0,0 +1,30 @@
+using Gee;
+using Gtk;
+
+using Dino.Entities;
+
+namespace Dino.Ui.ConversationSummary {
+
+private class MergedStatusItem : Expander {
+
+    private StreamInteractor stream_interactor;
+    private Conversation conversation;
+    private ArrayList<Show> statuses = new ArrayList<Show>();
+
+    public MergedStatusItem(StreamInteractor stream_interactor, Conversation conversation, Show show) {
+        set_hexpand(true);
+        add_status(show);
+    }
+
+    public void add_status(Show show) {
+        statuses.add(show);
+        StatusItem status_item = new StatusItem(stream_interactor, conversation, @"is $(show.as)");
+        if (statuses.size == 1) {
+            label = show.as;
+        } else {
+            label = @"changed their status $(statuses.size) times";
+            add(new Label(show.as));
+        }
+    }
+}
+}
\ No newline at end of file
diff --git a/libdino/src/ui/conversation_summary/status_item.vala b/libdino/src/ui/conversation_summary/status_item.vala
new file mode 100644
index 00000000..5918d008
--- /dev/null
+++ b/libdino/src/ui/conversation_summary/status_item.vala
@@ -0,0 +1,29 @@
+using Gtk;
+using Markup;
+
+using Dino.Entities;
+
+namespace Dino.Ui.ConversationSummary {
+
+private class StatusItem : Grid {
+
+    private Image image = new Image();
+    private Label label = new Label("");
+
+    private StreamInteractor stream_interactor;
+    private Conversation conversation;
+
+    public StatusItem(StreamInteractor stream_interactor, Conversation conversation, string? text) {
+        Object(column_spacing : 7);
+        set_hexpand(true);
+        this.stream_interactor = stream_interactor;
+        this.conversation = conversation;
+        image.set_from_pixbuf((new AvatarGenerator(30, 30)).set_greyscale(true).draw_conversation(stream_interactor, conversation));
+        attach(image, 0, 0, 1, 1);
+        attach(label, 1, 0, 1, 1);
+        string display_name = Util.get_display_name(stream_interactor, conversation.counterpart, conversation.account);
+        label.set_markup(@"<span foreground=\"#B1B1B1\"> $(escape_text(display_name)) $text </span>");
+        show_all();
+    }
+}
+}
\ No newline at end of file
diff --git a/libdino/src/ui/conversation_summary/view.vala b/libdino/src/ui/conversation_summary/view.vala
new file mode 100644
index 00000000..59cf88aa
--- /dev/null
+++ b/libdino/src/ui/conversation_summary/view.vala
@@ -0,0 +1,222 @@
+using Gee;
+using Gtk;
+using Pango;
+
+using Dino.Entities;
+using Xmpp;
+
+namespace Dino.Ui.ConversationSummary {
+
+[GtkTemplate (ui = "/org/dino-im/conversation_summary/view.ui")]
+public class View : Box {
+
+    public Conversation? conversation { get; private set; }
+    public HashMap<Entities.Message, MergedMessageItem> message_items = new HashMap<Entities.Message, MergedMessageItem>(Entities.Message.hash_func, Entities.Message.equals_func);
+
+    [GtkChild]
+    private ScrolledWindow scrolled;
+
+    [GtkChild]
+    private Box main;
+
+    private StreamInteractor stream_interactor;
+    private MergedMessageItem? last_message_item;
+    private StatusItem typing_status;
+    private Entities.Message? earliest_message;
+    double? was_value;
+    double? was_upper;
+    double? was_page_size;
+    Object reloading_lock = new Object();
+    bool reloading = false;
+
+    public View(StreamInteractor stream_interactor) {
+        Object(homogeneous : false, spacing : 0);
+        this.stream_interactor = stream_interactor;
+        scrolled.vadjustment.notify["upper"].connect_after(on_upper_notify);
+        scrolled.vadjustment.notify["value"].connect(on_value_notify);
+
+        CounterpartInteractionManager.get_instance(stream_interactor).received_state.connect((account, jid, state) => {
+            Idle.add(() => { on_received_state(account, jid, state); return false; });
+        });
+        MessageManager.get_instance(stream_interactor).message_received.connect((message, conversation) => {
+            Idle.add(() => { show_message(message, conversation, true); return false; });
+        });
+        MessageManager.get_instance(stream_interactor).message_sent.connect((message, conversation) => {
+            Idle.add(() => { show_message(message, conversation, true); return false; });
+        });
+        PresenceManager.get_instance(stream_interactor).show_received.connect((show, jid, account) => {
+            Idle.add(() => { on_show_received(show, jid, account); return false; });
+        });
+        Timeout.add_seconds(60, () => {
+            foreach (MergedMessageItem message_item in message_items.values) {
+                message_item.update();
+            }
+            return true;
+        });
+    }
+
+    public void initialize_for_conversation(Conversation? conversation) {
+        this.conversation = conversation;
+        clear();
+        message_items.clear();
+        was_upper = null;
+        was_page_size = null;
+        last_message_item = null;
+
+        ArrayList<Object> objects = new ArrayList<Object>();
+        Gee.List<Entities.Message>? messages = MessageManager.get_instance(stream_interactor).get_messages(conversation);
+        if (messages != null && messages.size > 0) {
+            earliest_message = messages[0];
+            objects.add_all(messages);
+        }
+        HashMap<Jid, ArrayList<Show>>? shows = PresenceManager.get_instance(stream_interactor).get_shows(conversation.counterpart, conversation.account);
+        if (shows != null) {
+            foreach (Jid jid in shows.keys) objects.add_all(shows[jid]);
+        }
+        objects.sort((a, b) => {
+            DateTime? dt1 = null;
+            DateTime? dt2 = null;
+            Entities.Message m1 = a as Entities.Message;
+            if (m1 != null) dt1 = m1.time;
+            Show s1 = a as Show;
+            if (s1 != null) dt1 = s1.datetime;
+            Entities.Message m2 = b as Entities.Message;
+            if (m2 != null) dt2 = m2.time;
+            Show s2 = b as Show;
+            if (s2 != null) dt2 = s2.datetime;
+            return dt1.compare(dt2);
+        });
+        foreach (Object o in objects) {
+            Entities.Message message = o as Entities.Message;
+            Show show = o as Show;
+            if (message != null) {
+                show_message(message, conversation);
+            } else if (show != null) {
+                on_show_received(show, conversation.counterpart, conversation.account);
+            }
+        }
+        update_chat_state();
+    }
+
+    private void on_received_state(Account account, Jid jid, string state) {
+        if (conversation != null && conversation.account.equals(account) && conversation.counterpart.equals_bare(jid)) {
+            update_chat_state(state);
+        }
+    }
+
+    private void update_chat_state(string? state = null) {
+        string? state_ = state;
+        if (state_ == null) {
+            state_ = CounterpartInteractionManager.get_instance(stream_interactor).get_chat_state(conversation.account, conversation.counterpart);
+        }
+        if (typing_status != null) {
+            main.remove(typing_status);
+        }
+        if (state_ != null) {
+            if (state_ == Xep.ChatStateNotifications.STATE_COMPOSING || state_ == Xep.ChatStateNotifications.STATE_PAUSED) {
+                if (state_ == Xep.ChatStateNotifications.STATE_COMPOSING) {
+                    typing_status = new StatusItem(stream_interactor, conversation, "is typing...");
+                } else if (state_ == Xep.ChatStateNotifications.STATE_PAUSED) {
+                    typing_status = new StatusItem(stream_interactor, conversation, "has stoped typing");
+                }
+                main.add(typing_status);
+            }
+        }
+    }
+
+    private void on_show_received(Show show, Jid jid, Account account) {
+
+    }
+
+    private void on_upper_notify() {
+        if (was_upper == null || scrolled.vadjustment.value >  was_upper - was_page_size - 1 ||
+                scrolled.vadjustment.value >  was_upper - was_page_size - 1) { // scrolled down or content smaller than page size
+            scrolled.vadjustment.value = scrolled.vadjustment.upper - scrolled.vadjustment.page_size; // scroll down
+        } else if (scrolled.vadjustment.value < scrolled.vadjustment.upper - scrolled.vadjustment.page_size - 1){
+            scrolled.vadjustment.value = scrolled.vadjustment.upper - was_upper + scrolled.vadjustment.value; // stay at same content
+        }
+        was_upper = scrolled.vadjustment.upper;
+        was_page_size = scrolled.vadjustment.page_size;
+        lock(reloading_lock) {
+            reloading = false;
+        }
+    }
+
+    private void on_value_notify() {
+        if (scrolled.vadjustment.value < 200) {
+            load_earlier_messages();
+        }
+    }
+
+    private void load_earlier_messages() {
+        was_value = scrolled.vadjustment.value;
+        lock(reloading_lock) {
+            if(reloading) return;
+            reloading = true;
+        }
+        Gee.List<Entities.Message>? messages = MessageManager.get_instance(stream_interactor).get_messages_before(conversation, earliest_message);
+        if (messages != null && messages.size > 0) {
+            earliest_message = messages[0];
+            MergedMessageItem? current_item = null;
+            int items_added = 0;
+            for (int i = 0; i < messages.size; i++) {
+                if (current_item != null && should_merge_message(current_item, messages[i])) {
+                    current_item.add_message(messages[i]);
+                } else {
+                    current_item = new MergedMessageItem(stream_interactor, conversation, messages[i]);
+                    force_alloc_width(current_item, main.get_allocated_width());
+                    main.add(current_item);
+                    message_items[messages[i]] = current_item;
+                    main.reorder_child(current_item, items_added);
+                    items_added++;
+                }
+            }
+            return;
+        }
+        reloading = false;
+    }
+
+    private void show_message(Entities.Message message, Conversation conversation, bool animate = false) {
+        if (this.conversation != null && this.conversation.equals(conversation)) {
+            if (should_merge_message(last_message_item, message)) {
+                last_message_item.add_message(message);
+            } else {
+                MergedMessageItem message_item = new MergedMessageItem(stream_interactor, conversation, message);
+                if (animate) {
+                    Revealer revealer = new Revealer() {transition_duration = 200, transition_type = RevealerTransitionType.SLIDE_UP, visible = true};
+                    revealer.add(message_item);
+                    force_alloc_width(revealer, main.get_allocated_width());
+                    main.add(revealer);
+                    revealer.set_reveal_child(true);
+                } else {
+                    force_alloc_width(message_item, main.get_allocated_width());
+                    main.add(message_item);
+                }
+                last_message_item = message_item;
+            }
+            message_items[message] = last_message_item;
+            update_chat_state();
+        }
+    }
+
+    private bool should_merge_message(MergedMessageItem? message_item, Entities.Message message) {
+        return message_item != null &&
+            message_item.from.equals(message.from) &&
+            message_item.messages.get(0).encryption == message.encryption &&
+            message.time.difference(message_item.initial_time) < TimeSpan.MINUTE &&
+            (message_item.messages.get(0).marked == Entities.Message.Marked.WONTSEND) == (message.marked == Entities.Message.Marked.WONTSEND);
+    }
+
+    private void force_alloc_width(Widget widget, int width) {
+        Allocation alloc = Allocation();
+        widget.get_preferred_width(out alloc.width, null);
+        widget.get_preferred_height(out alloc.height, null);
+        alloc.width = width;
+        widget.size_allocate(alloc);
+    }
+
+    private void clear() {
+        main.@foreach((widget) => { main.remove(widget); });
+    }
+}
+}
diff --git a/libdino/src/ui/conversation_titlebar.vala b/libdino/src/ui/conversation_titlebar.vala
new file mode 100644
index 00000000..25304e1a
--- /dev/null
+++ b/libdino/src/ui/conversation_titlebar.vala
@@ -0,0 +1,124 @@
+using Gtk;
+
+using Dino.Entities;
+
+[GtkTemplate (ui = "/org/dino-im/conversation_titlebar.ui")]
+public class Dino.Ui.ConversationTitlebar : Gtk.HeaderBar {
+
+    [GtkChild]
+    private MenuButton menu_button;
+
+    [GtkChild]
+    private MenuButton encryption_button;
+    private RadioButton? button_unencrypted;
+    private RadioButton? button_pgp;
+
+    [GtkChild]
+    private MenuButton groupchat_button;
+
+    private StreamInteractor stream_interactor;
+    private Conversation? conversation;
+
+    public ConversationTitlebar(StreamInteractor stream_interactor) {
+        this.stream_interactor = stream_interactor;
+        MucManager.get_instance(stream_interactor).groupchat_subject_set.connect((account, jid, subject) => {
+            Idle.add(() => { on_groupchat_subject_set(account, jid, subject); return false; });
+        });
+        create_conversation_menu();
+        create_encryption_menu();
+    }
+
+    public void initialize_for_conversation(Conversation conversation) {
+        this.conversation = conversation;
+        update_encryption_menu_state();
+        update_encryption_menu_icon();
+        update_groupchat_menu();
+        update_title();
+        update_subtitle();
+    }
+
+    private void update_encryption_menu_state() {
+        string? pgp_id = PgpManager.get_instance(stream_interactor).get_key_id(conversation.account, conversation.counterpart);
+        button_pgp.set_sensitive(pgp_id != null);
+        switch (conversation.encryption) {
+            case Conversation.Encryption.UNENCRYPTED:
+                button_unencrypted.set_active(true);
+                break;
+            case Conversation.Encryption.PGP:
+                button_pgp.set_active(true);
+                break;
+        }
+    }
+
+    private void update_encryption_menu_icon() {
+        encryption_button.visible = (conversation.type_ == Conversation.Type.CHAT);
+        if (conversation.type_ == Conversation.Type.CHAT) {
+            if (conversation.encryption == Conversation.Encryption.UNENCRYPTED) {
+                encryption_button.set_image(new Image.from_icon_name("changes-allow-symbolic", IconSize.BUTTON));
+            } else {
+                encryption_button.set_image(new Image.from_icon_name("changes-prevent-symbolic", IconSize.BUTTON));
+            }
+        }
+    }
+
+    private void update_groupchat_menu() {
+        groupchat_button.visible = conversation.type_ == Conversation.Type.GROUPCHAT;
+        if (conversation.type_ == Conversation.Type.GROUPCHAT) {
+            groupchat_button.set_use_popover(true);
+            Popover popover = new Popover(null);
+            OccupantList occupant_list = new OccupantList(stream_interactor, conversation);
+            popover.add(occupant_list);
+            occupant_list.show_all();
+            groupchat_button.set_popover(popover);
+        }
+    }
+
+    private void update_title() {
+        set_title(Util.get_conversation_display_name(stream_interactor, conversation));
+    }
+
+    private void update_subtitle(string? subtitle = null) {
+        if (subtitle != null) {
+            set_subtitle(subtitle);
+        } else if (conversation.type_ == Conversation.Type.GROUPCHAT) {
+            string subject = MucManager.get_instance(stream_interactor).get_groupchat_subject(conversation.counterpart, conversation.account);
+            set_subtitle(subject != "" ? subject : null);
+        } else {
+            set_subtitle(null);
+        }
+    }
+
+    private void create_conversation_menu() {
+        Builder builder = new Builder.from_resource("/org/dino-im/menu_conversation.ui");
+        MenuModel menu = builder.get_object("menu_conversation") as MenuModel;
+        menu_button.set_menu_model(menu);
+    }
+
+    private void create_encryption_menu() {
+        Builder builder = new Builder.from_resource("/org/dino-im/menu_encryption.ui");
+        PopoverMenu menu = builder.get_object("menu_encryption") as PopoverMenu;
+        button_unencrypted = builder.get_object("button_unencrypted") as RadioButton;
+        button_pgp = builder.get_object("button_pgp") as RadioButton;
+        encryption_button.set_use_popover(true);
+        encryption_button.set_popover(menu);
+        encryption_button.set_image(new Image.from_icon_name("changes-allow-symbolic", IconSize.BUTTON));
+
+        button_unencrypted.toggled.connect(() => {
+            if (conversation != null) {
+                if (button_unencrypted.get_active()) {
+                    conversation.encryption = Conversation.Encryption.UNENCRYPTED;
+                } else if (button_pgp.get_active()) {
+                    conversation.encryption = Conversation.Encryption.PGP;
+                }
+                update_encryption_menu_icon();
+            }
+        });
+    }
+
+    private void on_groupchat_subject_set(Account account, Jid jid, string subject) {
+        if (conversation != null && conversation.counterpart.equals_bare(jid) && conversation.account.equals(account)) {
+            update_subtitle(subject);
+        }
+    }
+}
+
diff --git a/libdino/src/ui/manage_accounts/account_row.vala b/libdino/src/ui/manage_accounts/account_row.vala
new file mode 100644
index 00000000..6ca4daf6
--- /dev/null
+++ b/libdino/src/ui/manage_accounts/account_row.vala
@@ -0,0 +1,24 @@
+using Gtk;
+
+using Dino.Entities;
+
+namespace Dino.Ui.ManageAccounts {
+
+[GtkTemplate (ui = "/org/dino-im/manage_accounts/account_row.ui")]
+public class AccountRow :  Gtk.ListBoxRow {
+
+    [GtkChild]
+    public Image image;
+
+    [GtkChild]
+    public Label jid_label;
+
+    public Account account;
+
+    public AccountRow(StreamInteractor stream_interactor, Account account) {
+        this.account = account;
+        Util.image_set_from_scaled_pixbuf(image, (new AvatarGenerator(40, 40, image.scale_factor)).draw_account(stream_interactor, account));
+        jid_label.set_label(account.bare_jid.to_string());
+    }
+}
+}
\ No newline at end of file
diff --git a/libdino/src/ui/manage_accounts/add_account_dialog.vala b/libdino/src/ui/manage_accounts/add_account_dialog.vala
new file mode 100644
index 00000000..b22fca3a
--- /dev/null
+++ b/libdino/src/ui/manage_accounts/add_account_dialog.vala
@@ -0,0 +1,70 @@
+using Gee;
+using Gtk;
+
+using Dino.Entities;
+
+namespace Dino.Ui.ManageAccounts {
+
+[GtkTemplate (ui = "/org/dino-im/manage_accounts/add_account_dialog.ui")]
+public class AddAccountDialog : Gtk.Dialog {
+
+    public signal void added(Account account);
+
+    [GtkChild]
+    private Button cancel_button;
+
+    [GtkChild]
+    private Button ok_button;
+
+    [GtkChild]
+    private Entry alias_entry;
+
+    [GtkChild]
+    private Entry jid_entry;
+
+    [GtkChild]
+    private Entry password_entry;
+
+    public AddAccountDialog(StreamInteractor stream_interactor) {
+        Object(use_header_bar : 1);
+        this.title = "Add Account";
+
+        cancel_button.clicked.connect(() => { close(); });
+        ok_button.clicked.connect(on_ok_button_clicked);
+        jid_entry.changed.connect(on_jid_entry_changed);
+        jid_entry.focus_out_event.connect(on_jid_entry_focus_out_event);
+    }
+
+    private void on_jid_entry_changed() {
+        Jid? jid = Jid.parse(jid_entry.text);
+        if (jid != null && jid.localpart != null && jid.resourcepart == null) {
+            ok_button.set_sensitive(true);
+            jid_entry.secondary_icon_name = null;
+        } else {
+            ok_button.set_sensitive(false);
+        }
+    }
+
+    private bool on_jid_entry_focus_out_event() {
+        Jid? jid = Jid.parse(jid_entry.text);
+        if (jid == null || jid.localpart == null || jid.resourcepart != null) {
+            jid_entry.secondary_icon_name = "dialog-warning-symbolic";
+            // TODO why doesn't the tooltip work
+            jid_entry.set_icon_tooltip_text(EntryIconPosition.SECONDARY, "JID should be of the form \"user@example.com\"");
+        } else {
+            jid_entry.secondary_icon_name = null;
+        }
+        return false;
+    }
+
+    private void on_ok_button_clicked() {
+        Account account = new Account.from_bare_jid(jid_entry.get_text());
+        account.resourcepart = "dino";
+        account.alias = alias_entry.get_text();
+        account.enabled = false;
+        account.password = password_entry.get_text();
+        added(account);
+        close();
+    }
+}
+}
diff --git a/libdino/src/ui/manage_accounts/dialog.vala b/libdino/src/ui/manage_accounts/dialog.vala
new file mode 100644
index 00000000..5d18cb30
--- /dev/null
+++ b/libdino/src/ui/manage_accounts/dialog.vala
@@ -0,0 +1,193 @@
+using Gdk;
+using Gtk;
+
+using Dino.Entities;
+
+namespace Dino.Ui.ManageAccounts {
+
+[GtkTemplate (ui = "/org/dino-im/manage_accounts/dialog.ui")]
+public class Dialog : Gtk.Window {
+
+    public signal void account_enabled(Account account);
+    public signal void account_disabled(Account account);
+
+    [GtkChild] public Stack main_stack;
+    [GtkChild] public ListBox account_list;
+    [GtkChild] public Button no_accounts_add;
+    [GtkChild] public ToolButton add_button;
+    [GtkChild] public ToolButton remove_button;
+    [GtkChild] public Image image;
+    [GtkChild] public Button image_button;
+    [GtkChild] public Label jid_label;
+    [GtkChild] public Switch active_switch;
+    [GtkChild] public Stack password_stack;
+    [GtkChild] public Label password_label;
+    [GtkChild] public Button password_button;
+    [GtkChild] public Entry password_entry;
+    [GtkChild] public Stack alias_stack;
+    [GtkChild] public Label alias_label;
+    [GtkChild] public Button alias_button;
+    [GtkChild] public Entry alias_entry;
+    [GtkChild] public Stack pgp_stack;
+    [GtkChild] public Label pgp_label;
+    [GtkChild] public Button pgp_button;
+    [GtkChild] public ComboBoxText pgp_combobox;
+
+
+    private Database db;
+    private StreamInteractor stream_interactor;
+
+    construct {
+        account_list.row_selected.connect(account_list_row_selected);
+        add_button.clicked.connect(add_button_clicked);
+        no_accounts_add.clicked.connect(add_button_clicked);
+        remove_button.clicked.connect(remove_button_clicked);
+        password_entry.key_release_event.connect(on_password_key_release_event);
+        alias_entry.key_release_event.connect(on_alias_key_release_event);
+        image_button.clicked.connect(on_image_button_clicked);
+
+        main_stack.set_visible_child_name("no_accounts");
+    }
+
+    public Dialog(StreamInteractor stream_interactor, Database db) {
+        this.db = db;
+        this.stream_interactor = stream_interactor;
+        foreach (Account account in db.get_accounts()) {
+            add_account(account);
+        }
+
+        AvatarManager.get_instance(stream_interactor).received_avatar.connect((pixbuf, jid, account) => {
+        Idle.add(() => {
+            on_received_avatar(pixbuf, jid, account);
+            return false;
+        });});
+
+        if (account_list.get_row_at_index(0) != null) account_list.select_row(account_list.get_row_at_index(0));
+    }
+
+    public AccountRow add_account(Account account) {
+        AccountRow account_item = new AccountRow (stream_interactor, account);
+        account_list.add(account_item);
+        main_stack.set_visible_child_name("accounts_exist");
+        return account_item;
+    }
+
+    private void add_button_clicked() {
+        AddAccountDialog add_account_dialog = new AddAccountDialog(stream_interactor);
+        add_account_dialog.set_transient_for(this);
+        add_account_dialog.added.connect((account) => {
+            db.add_account(account);
+            AccountRow account_item = add_account(account);
+            account_list.select_row(account_item);
+            account_list.queue_draw();
+        });
+        add_account_dialog.show();
+    }
+
+    private void remove_button_clicked() {
+        AccountRow account_item = account_list.get_selected_row() as AccountRow;
+        if (account_item != null) {
+            account_list.remove(account_item);
+            account_list.queue_draw();
+            if (account_item.account.enabled) account_disabled(account_item.account);
+            db.remove_account(account_item.account);
+            if (account_list.get_row_at_index(0) != null) {
+                account_list.select_row(account_list.get_row_at_index(0));
+            } else {
+                main_stack.set_visible_child_name("no_accounts");
+            }
+        }
+    }
+
+    private void account_list_row_selected(ListBoxRow? row) {
+        AccountRow? account_item = row as AccountRow;
+        if (account_item != null) populate_grid_data(account_item.account);
+    }
+
+    private void populate_grid_data(Account account) {
+        active_switch.state_set.disconnect(on_active_switch_state_changed);
+
+        Util.image_set_from_scaled_pixbuf(image, (new AvatarGenerator(50, 50, image.scale_factor)).draw_account(stream_interactor, account));
+        active_switch.set_active(account.enabled);
+        jid_label.label = account.bare_jid.to_string();
+
+        string filler = "";
+        for (int i = 0; i < account.password.length; i++) filler += password_entry.get_invisible_char().to_string();
+        password_label.label = filler;
+        password_stack.set_visible_child_name("label");
+        password_entry.text = account.password;
+
+        alias_stack.set_visible_child_name("label");
+        alias_label.label = account.alias;
+        alias_entry.text = account.alias;
+
+        password_button.clicked.connect(() => { set_active_stack(password_stack); });
+        alias_button.clicked.connect(() => { set_active_stack(alias_stack); });
+        active_switch.state_set.connect(on_active_switch_state_changed);
+    }
+
+    private void on_image_button_clicked() {
+        FileChooserDialog chooser = new FileChooserDialog (
+				"Select avatar", this, FileChooserAction.OPEN,
+				"Cancel", ResponseType.CANCEL,
+				"Select", ResponseType.ACCEPT);
+        FileFilter filter = new FileFilter();
+        filter.add_mime_type("image/*");
+        chooser.set_filter(filter);
+        if (chooser.run() == Gtk.ResponseType.ACCEPT) {
+            string uri = chooser.get_filename();
+            Account account = (account_list.get_selected_row() as AccountRow).account;
+            AvatarManager.get_instance(stream_interactor).publish(account, uri);
+        }
+        chooser.close();
+    }
+
+    private bool on_active_switch_state_changed(bool state) {
+        Account account = (account_list.get_selected_row() as AccountRow).account;
+        account.enabled = state;
+        if (state) {
+            account_enabled(account);
+        } else {
+            account_disabled(account);
+        }
+        return false;
+    }
+
+    private bool on_password_key_release_event(EventKey event) {
+        Account account = (account_list.get_selected_row() as AccountRow).account;
+        account.password = password_entry.text;
+        string filler = "";
+        for (int i = 0; i < account.password.length; i++) filler += password_entry.get_invisible_char().to_string();
+        password_label.label = filler;
+        if (event.keyval == Key.Return) {
+            password_stack.set_visible_child_name("label");
+        }
+        return false;
+    }
+
+    private bool on_alias_key_release_event(EventKey event) {
+        Account account = (account_list.get_selected_row() as AccountRow).account;
+        account.alias = alias_entry.text;
+        alias_label.label = alias_entry.text;
+        if (event.keyval == Key.Return) {
+            alias_stack.set_visible_child_name("label");
+        }
+        return false;
+    }
+
+    private void on_received_avatar(Pixbuf pixbuf, Jid jid, Account account) {
+        Account curr_account = (account_list.get_selected_row() as AccountRow).account;
+        if (curr_account.equals(account) && jid.equals(account.bare_jid)) {
+            Util.image_set_from_scaled_pixbuf(image, (new AvatarGenerator(50, 50, image.scale_factor)).draw_account(stream_interactor, account));
+        }
+    }
+
+    private void set_active_stack(Stack stack) {
+        stack.set_visible_child_name("entry");
+        if (stack != password_stack) password_stack.set_visible_child_name("label");
+        if (stack != alias_stack) alias_stack.set_visible_child_name("label");
+        if (stack != pgp_stack) pgp_stack.set_visible_child_name("label");
+    }
+}
+}
+
diff --git a/libdino/src/ui/notifications.vala b/libdino/src/ui/notifications.vala
new file mode 100644
index 00000000..46bc6bf5
--- /dev/null
+++ b/libdino/src/ui/notifications.vala
@@ -0,0 +1,55 @@
+using Dino.Entities;
+using Xmpp;
+
+namespace Dino.Ui {
+public class Notifications : GLib.Object {
+
+    private StreamInteractor stream_interactor;
+    private Notify.Notification notification = new Notify.Notification("", null, null);
+
+    public Notifications(StreamInteractor stream_interactor) {
+        this.stream_interactor = stream_interactor;
+    }
+
+    public void start() {
+        MessageManager.get_instance(stream_interactor).message_received.connect(on_message_received);
+        PresenceManager.get_instance(stream_interactor).received_subscription_request.connect(on_received_subscription_request);
+    }
+
+    private void on_message_received(Entities.Message message, Conversation conversation) {
+        if (!ChatInteraction.get_instance(stream_interactor).is_active_focus()) {
+            string display_name = Util.get_conversation_display_name(stream_interactor, conversation);
+            if (MucManager.get_instance(stream_interactor).is_groupchat(conversation.counterpart, conversation.account)) {
+                string muc_occupant = Util.get_display_name(stream_interactor, message.from, conversation.account);
+                display_name = muc_occupant + " in " + display_name;
+            }
+            notification.update(display_name, message.body, null);
+            notification.set_image_from_pixbuf((new AvatarGenerator(40, 40)).draw_conversation(stream_interactor, conversation));
+            notification.set_timeout(3);
+            try {
+                notification.show();
+            } catch (Error error) { }
+        }
+    }
+
+    private void on_received_subscription_request(Jid jid, Account account) {
+        Notify.Notification notification = new Notify.Notification("Subscription request", jid.bare_jid.to_string(), null);
+        notification.set_image_from_pixbuf((new AvatarGenerator(40, 40)).draw_jid(stream_interactor, jid, account));
+        notification.add_action("accept", "Accept", () => {
+            PresenceManager.get_instance(stream_interactor).approve_subscription(account, jid);
+            try {
+                notification.close();
+            } catch (Error error) { }
+        });
+        notification.add_action("deny", "Deny", () => {
+            PresenceManager.get_instance(stream_interactor).deny_subscription(account, jid);
+            try {
+                notification.close();
+            } catch (Error error) { }
+        });
+        try {
+            notification.show();
+        } catch (Error error) { }
+    }
+}
+}
\ No newline at end of file
diff --git a/libdino/src/ui/occupant_list.vala b/libdino/src/ui/occupant_list.vala
new file mode 100644
index 00000000..921f7e70
--- /dev/null
+++ b/libdino/src/ui/occupant_list.vala
@@ -0,0 +1,112 @@
+using Gee;
+using Gtk;
+
+using Dino.Entities;
+
+namespace Dino.Ui{
+[GtkTemplate (ui = "/org/dino-im/occupant_list.ui")]
+public class OccupantList : Box {
+
+    public signal void conversation_selected(Conversation? conversation);
+    private StreamInteractor stream_interactor;
+
+    [GtkChild]
+    private ListBox list_box;
+
+    [GtkChild]
+    private SearchEntry search_entry;
+
+    private Conversation? conversation;
+    private string[]? filter_values;
+    private HashMap<Jid, OccupantListRow> rows = new HashMap<Jid, OccupantListRow>(Jid.hash_func, Jid.equals_func);
+
+    public OccupantList(StreamInteractor stream_interactor, Conversation conversation) {
+        this.stream_interactor = stream_interactor;
+        list_box.set_header_func(header);
+        list_box.set_sort_func(sort);
+        list_box.set_filter_func(filter);
+        search_entry.search_changed.connect(search_changed);
+
+        PresenceManager.get_instance(stream_interactor).show_received.connect((show, jid, account) => {
+            Idle.add(() => { on_show_received(show, jid, account); return false; });
+        });
+        RosterManager.get_instance(stream_interactor).updated_roster_item.connect(on_updated_roster_item);
+
+        initialize_for_conversation(conversation);
+    }
+
+    public void initialize_for_conversation(Conversation conversation) {
+        this.conversation = conversation;
+        ArrayList<Jid>? occupants = MucManager.get_instance(stream_interactor).get_occupants(conversation.counterpart, conversation.account);
+        if (occupants != null) {
+            foreach (Jid occupant in occupants) {
+                add_occupant(occupant);
+            }
+        }
+    }
+
+    private void refilter() {
+        string[]? values = null;
+        string str = search_entry.get_text ();
+        if (str != "") values = str.split(" ");
+        if (filter_values == values) return;
+        filter_values = values;
+        list_box.invalidate_filter();
+    }
+
+    private void search_changed(Editable editable) {
+        refilter();
+    }
+
+    public void add_occupant(Jid jid) {
+        rows[jid] = new OccupantListRow(stream_interactor, conversation.account, jid);
+        list_box.add(rows[jid]);
+        list_box.invalidate_filter();
+        list_box.invalidate_sort();
+    }
+
+    public void remove_occupant(Jid jid) {
+        list_box.remove(rows[jid]);
+        rows.unset(jid);
+    }
+
+    private void on_updated_roster_item(Account account, Jid jid, Xmpp.Roster.Item roster_item) {
+
+    }
+
+    private void on_show_received(Show show, Jid jid, Account account) {
+        if (conversation != null && conversation.counterpart.equals_bare(jid)) {
+            if (show.as == Show.OFFLINE && rows.has_key(jid)) {
+                remove_occupant(jid);
+            } else if (show.as != Show.OFFLINE && !rows.has_key(jid)) {
+                add_occupant(jid);
+            }
+        }
+    }
+
+    private void header(ListBoxRow row, ListBoxRow? before_row) {
+        if (row.get_header() == null && before_row != null) {
+            row.set_header(new Separator(Orientation.HORIZONTAL));
+        }
+    }
+
+    private bool filter(ListBoxRow r) {
+        if (r.get_type().is_a(typeof(OccupantListRow))) {
+            OccupantListRow row = r as OccupantListRow;
+            foreach (string filter in filter_values) {
+                return row.name_label.label.down().contains(filter.down());
+            }
+        }
+        return true;
+    }
+
+    private int sort(ListBoxRow row1, ListBoxRow row2) {
+        if (row1.get_type().is_a(typeof(OccupantListRow)) && row2.get_type().is_a(typeof(OccupantListRow))) {
+            OccupantListRow c1 = row1 as OccupantListRow;
+            OccupantListRow c2 = row2 as OccupantListRow;
+            return c1.name_label.label.collate(c2.name_label.label);
+        }
+        return 0;
+    }
+}
+}
\ No newline at end of file
diff --git a/libdino/src/ui/occupant_list_row.vala b/libdino/src/ui/occupant_list_row.vala
new file mode 100644
index 00000000..067455b5
--- /dev/null
+++ b/libdino/src/ui/occupant_list_row.vala
@@ -0,0 +1,27 @@
+using Gtk;
+
+using Dino.Entities;
+using Xmpp;
+
+namespace Dino.Ui {
+
+[GtkTemplate (ui = "/org/dino-im/occupant_list_item.ui")]
+public class OccupantListRow : ListBoxRow {
+
+    [GtkChild]
+    private Image image;
+
+    [GtkChild]
+    public Label name_label;
+
+    public OccupantListRow(StreamInteractor stream_interactor, Account account, Jid jid) {
+        name_label.label = Util.get_display_name(stream_interactor, jid, account);
+        Util.image_set_from_scaled_pixbuf(image, (new AvatarGenerator(30, 30, image.scale_factor)).draw_jid(stream_interactor, jid, account));
+        //has_tooltip = true;
+    }
+
+    public void on_presence_received(Presence.Stanza presence) {
+
+    }
+}
+}
\ No newline at end of file
diff --git a/libdino/src/ui/settings_dialog.vala b/libdino/src/ui/settings_dialog.vala
new file mode 100644
index 00000000..600ec873
--- /dev/null
+++ b/libdino/src/ui/settings_dialog.vala
@@ -0,0 +1,27 @@
+using Gtk;
+
+namespace Dino.Ui {
+
+[GtkTemplate (ui = "/org/dino-im/settings_dialog.ui")]
+class SettingsDialog : Dialog {
+
+    [GtkChild]
+    private CheckButton marker_checkbutton;
+
+    [GtkChild]
+    private CheckButton emoji_checkbutton;
+
+    Dino.Settings settings = Dino.Settings.instance();
+
+    public SettingsDialog() {
+        Object(use_header_bar : 1);
+
+        marker_checkbutton.active = settings.send_read;
+        emoji_checkbutton.active = settings.convert_utf8_smileys;
+
+        marker_checkbutton.toggled.connect(() => { settings.send_read = marker_checkbutton.active; });
+        emoji_checkbutton.toggled.connect(() => { settings.convert_utf8_smileys = emoji_checkbutton.active; });
+    }
+}
+
+}
\ No newline at end of file
diff --git a/libdino/src/ui/unified_window.vala b/libdino/src/ui/unified_window.vala
new file mode 100644
index 00000000..8a9500e9
--- /dev/null
+++ b/libdino/src/ui/unified_window.vala
@@ -0,0 +1,78 @@
+using Gtk;
+
+using Dino.Entities;
+
+public class Dino.Ui.UnifiedWindow : Window {
+    public ChatInput chat_input;
+    public ConversationListTitlebar conversation_list_titlebar;
+    public ConversationSelector.View filterable_conversation_list;
+    public ConversationSummary.View conversation_frame;
+    public ConversationTitlebar conversation_titlebar;
+    public Paned paned;
+
+    private StreamInteractor stream_interactor;
+    private Conversation? conversation;
+
+    public UnifiedWindow(Application application, StreamInteractor stream_interactor) {
+        Object(application : application);
+        this.stream_interactor = stream_interactor;
+        focus_in_event.connect(on_focus_in_event);
+        focus_out_event.connect(on_focus_out_event);
+
+        default_width = 1200;
+        default_height = 700;
+
+        chat_input = new ChatInput(stream_interactor);
+        conversation_frame = new ConversationSummary.View(stream_interactor);
+        conversation_titlebar = new ConversationTitlebar(stream_interactor);
+        paned = new Paned(Orientation.HORIZONTAL);
+        paned.set_position(300);
+        filterable_conversation_list = new ConversationSelector.View(stream_interactor);
+        conversation_list_titlebar = new ConversationListTitlebar(this, stream_interactor);
+        conversation_list_titlebar.search_button.bind_property("active", filterable_conversation_list.search_bar, "search-mode-enabled",
+            BindingFlags.SYNC_CREATE | BindingFlags.BIDIRECTIONAL);
+        Grid grid = new Grid();
+        grid.orientation = Orientation.VERTICAL;
+        Paned toolbar_paned = new Paned(Orientation.HORIZONTAL);
+
+        add(paned);
+        paned.add1(filterable_conversation_list);
+        paned.add2(grid);
+
+        grid.add(conversation_frame);
+        grid.add(new Separator(Orientation.HORIZONTAL));
+        grid.add(chat_input);
+
+        conversation_frame.show_all();
+
+        toolbar_paned.add1(conversation_list_titlebar);
+        toolbar_paned.add2(conversation_titlebar);
+        paned.bind_property("position", toolbar_paned, "position", BindingFlags.SYNC_CREATE | BindingFlags.BIDIRECTIONAL);
+        set_titlebar(toolbar_paned);
+
+        filterable_conversation_list.conversation_list.conversation_selected.connect(on_conversation_selected);
+        conversation_list_titlebar.conversation_opened.connect(on_conversation_selected);
+    }
+
+    private void on_conversation_selected(Conversation conversation) {
+        this.conversation = conversation;
+        ChatInteraction.get_instance(stream_interactor).on_conversation_selected(conversation);
+        conversation.active = true; // only for conversation_selected
+        filterable_conversation_list.conversation_list.on_conversation_selected(conversation); // only for conversation_opened
+
+        chat_input.initialize_for_conversation(conversation);
+        conversation_frame.initialize_for_conversation(conversation);
+        conversation_titlebar.initialize_for_conversation(conversation);
+    }
+
+    private bool on_focus_in_event() {
+        ChatInteraction.get_instance(stream_interactor).window_focus_in(conversation);
+        return false;
+    }
+
+    private bool on_focus_out_event() {
+        ChatInteraction.get_instance(stream_interactor).window_focus_out(conversation);
+        return false;
+    }
+}
+
diff --git a/libdino/src/ui/util.vala b/libdino/src/ui/util.vala
new file mode 100644
index 00000000..d06afe67
--- /dev/null
+++ b/libdino/src/ui/util.vala
@@ -0,0 +1,71 @@
+using Gtk;
+
+using Dino.Entities;
+using Xmpp;
+
+public class Dino.Ui.Util : GLib.Object {
+
+    private const string[] tango_colors_light = {"FCE94F", "FCAF3E", "E9B96E", "8AE234", "729FCF", "AD7FA8", "EF2929"};
+    private const string[] tango_colors_medium = {"EDD400", "F57900", "C17D11", "73D216", "3465A4", "75507B", "CC0000"};
+    private const string[] material_colors_500 = {"F44336", "E91E63", "9C27B0", "673AB7", "3f51B5", "2196F3", "03A9f4", "00BCD4", "009688", "4CAF50", "8BC34a", "CDDC39", "FFEB3B", "FFC107", "FF9800", "FF5722", "795548"};
+    private const string[] material_colors_300 = {"E57373", "F06292", "BA68C8", "9575CD", "7986CB", "64B5F6", "4FC3F7", "4DD0E1", "4DB6AC", "81C784", "AED581", "DCE775", "FFF176", "FFD54F", "FFB74D", "FF8A65", "A1887F"};
+    private const string[] material_colors_200 = {"EF9A9A", "F48FB1", "CE93D8", "B39DDB", "9FA8DA", "90CAF9", "81D4FA", "80DEEA", "80CBC4", "A5D6A7", "C5E1A5", "E6EE9C", "FFF59D", "FFE082", "FFCC80", "FFAB91", "BCAAA4"};
+
+    public static string get_avatar_hex_color(string name) {
+        return material_colors_300[name.hash() % material_colors_300.length];
+//        return tango_colors_light[name.hash() % tango_colors_light.length];
+    }
+
+    public static string get_name_hex_color(string name) {
+        return material_colors_500[name.hash() % material_colors_500.length];
+//        return tango_colors_medium[name.hash() % tango_colors_medium.length];
+    }
+
+    public static string color_for_show(string show) {
+        switch(show) {
+            case "online": return "#9CCC65";
+            case "away": return "#FFCA28";
+            case "chat": return "#66BB6A";
+            case "xa": return "#EF5350";
+            case "dnd": return "#EF5350";
+            default: return "#BDBDBD";
+        }
+    }
+
+    public static string get_conversation_display_name(StreamInteractor stream_interactor, Conversation conversation) {
+        return get_display_name(stream_interactor, conversation.counterpart, conversation.account);
+    }
+
+    public static string get_display_name(StreamInteractor stream_interactor, Jid jid, Account account) {
+        if (MucManager.get_instance(stream_interactor).is_groupchat_occupant(jid, account)) {
+            return jid.resourcepart;
+        } else {
+            if (jid.bare_jid.equals(account.bare_jid.bare_jid)) {
+                if (account.alias == null || account.alias == "") {
+                    return account.bare_jid.to_string();
+                } else {
+                    return account.alias;
+                }
+            }
+            Roster.Item roster_item = RosterManager.get_instance(stream_interactor).get_roster_item(account, jid);
+            if (roster_item != null && roster_item.name != null) {
+                return roster_item.name;
+            }
+            return jid.bare_jid.to_string();
+        }
+    }
+
+    public static string get_message_display_name(StreamInteractor stream_interactor, Entities.Message message, Account account) {
+        Jid? real_jid = MucManager.get_instance(stream_interactor).get_message_real_jid(message);
+        if (real_jid != null) {
+            return get_display_name(stream_interactor, real_jid, account);
+        } else {
+            return get_display_name(stream_interactor, message.from, account);
+        }
+    }
+
+    public static void image_set_from_scaled_pixbuf(Image image, Gdk.Pixbuf pixbuf, int scale = 0) {
+        if (scale == 0) scale = image.get_scale_factor();
+        image.set_from_surface(Gdk.cairo_surface_create_from_pixbuf(pixbuf, scale, image.get_window()));
+    }
+}