Plug-In API: allow adding custom entries to account settings

Also make OpenPGP code use this API

7 files changed, 191 insertions, 95 deletions

diff --git a/libdino/CMakeLists.txt b/libdino/CMakeLists.txt
index 6fc31050..e638b3c8 100644
--- a/libdino/CMakeLists.txt
+++ b/libdino/CMakeLists.txt
@@ -39,6 +39,7 @@ set(RESOURCE_LIST
     manage_accounts/account_row.ui
     manage_accounts/add_account_dialog.ui
     manage_accounts/dialog.ui
+    manage_accounts/pgp_stack.ui
     menu_add.ui
     menu_app.ui
     menu_conversation.ui
diff --git a/libdino/data/manage_accounts/dialog.ui b/libdino/data/manage_accounts/dialog.ui
index d44cae71..e431bfff 100644
--- a/libdino/data/manage_accounts/dialog.ui
+++ b/libdino/data/manage_accounts/dialog.ui
@@ -77,10 +77,10 @@
                                     </object>
                                 </child>
                                 <child>
-                                    <object class="GtkGrid">
+                                    <object class="GtkGrid" id="settings_list">
                                         <property name="expand">True</property>
                                         <property name="column-spacing">10</property>
-                                        <property name="row-spacing">10</property>
+                                        <property name="row-spacing">5</property>
                                         <property name="visible">True</property>
                                         <child>
                                             <object class="GtkBox">
@@ -133,12 +133,14 @@
                                         <child>
                                             <object class="GtkSwitch" id="active_switch">
                                                 <property name="visible">True</property>
+                                                <property name="halign">end</property>
+                                                <property name="valign">center</property>
                                             </object>
                                             <packing>
                                                 <property name="left_attach">2</property>
                                                 <property name="top_attach">0</property>
                                                 <property name="width">1</property>
-                                                <property name="height">1</property>
+                                                <property name="height">2</property>
                                             </packing>
                                         </child>
                                         <child>
@@ -247,58 +249,6 @@
                                                 <property name="height">1</property>
                                             </packing>
                                         </child>
-                                        <child>
-                                            <object class="GtkLabel">
-                                                <property name="label">OpenPGP</property>
-                                                <property name="xalign">1</property>
-                                                <property name="visible">True</property>
-                                                <style>
-                                                    <class name="dim-label"/>
-                                                </style>
-                                            </object>
-                                            <packing>
-                                                <property name="left_attach">0</property>
-                                                <property name="top_attach">4</property>
-                                                <property name="width">1</property>
-                                                <property name="height">1</property>
-                                            </packing>
-                                        </child>
-                                        <child>
-                                            <object class="GtkStack" id="pgp_stack">
-                                                <property name="visible">True</property>
-                                                <child>
-                                                    <object class="GtkButton" id="pgp_button">
-                                                        <property name="relief">none</property>
-                                                        <property name="visible">True</property>
-                                                        <child>
-                                                            <object class="GtkLabel" id="pgp_label">
-                                                                <property name="xalign">0</property>
-                                                                <property name="visible">True</property>
-                                                            </object>
-                                                        </child>
-                                                    </object>
-                                                    <packing>
-                                                        <property name="name">label</property>
-                                                    </packing>
-                                                </child>
-                                                <child>
-                                                    <object class="GtkComboBox" id="pgp_combobox">
-                                                        <property name="hexpand">True</property>
-                                                        <property name="width_request">200</property>
-                                                        <property name="visible">True</property>
-                                                    </object>
-                                                    <packing>
-                                                        <property name="name">entry</property>
-                                                    </packing>
-                                                </child>
-                                            </object>
-                                            <packing>
-                                                <property name="left_attach">1</property>
-                                                <property name="top_attach">4</property>
-                                                <property name="width">2</property>
-                                                <property name="height">1</property>
-                                            </packing>
-                                        </child>
                                     </object>
                                 </child>
                             </object>
diff --git a/libdino/data/manage_accounts/pgp_stack.ui b/libdino/data/manage_accounts/pgp_stack.ui
new file mode 100644
index 00000000..4df9f0b8
--- /dev/null
+++ b/libdino/data/manage_accounts/pgp_stack.ui
@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<interface>
+    <template class="DinoPgpManagerAccountSettingsWidget">
+        <property name="visible">True</property>
+        <child>
+            <object class="GtkButton" id="pgp_button">
+                <property name="relief">none</property>
+                <property name="visible">True</property>
+                <child>
+                    <object class="GtkLabel" id="pgp_label">
+                        <property name="xalign">0</property>
+                        <property name="visible">True</property>
+                    </object>
+                </child>
+            </object>
+            <packing>
+                <property name="name">label</property>
+            </packing>
+        </child>
+        <child>
+            <object class="GtkComboBox" id="pgp_combobox">
+                <property name="hexpand">True</property>
+                <property name="width_request">200</property>
+                <property name="visible">True</property>
+            </object>
+            <packing>
+                <property name="name">entry</property>
+            </packing>
+        </child>
+    </template>
+</interface>
\ No newline at end of file
diff --git a/libdino/src/plugin/interfaces.vala b/libdino/src/plugin/interfaces.vala
index 19873003..35c93786 100644
--- a/libdino/src/plugin/interfaces.vala
+++ b/libdino/src/plugin/interfaces.vala
@@ -1,5 +1,15 @@
+using Gtk;
+
 namespace Dino.Plugins {
 
+public enum Priority {
+    LOWEST,
+    LOWER,
+    DEFAULT,
+    HIGHER,
+    HIGHEST
+}
+
 public interface RootInterface : Object {
     public abstract void registered(Dino.Application app);
 
@@ -13,4 +23,21 @@ public interface EncryptionListEntry : Object {
     public abstract bool can_encrypt(Entities.Conversation conversation);
 }
 
+public abstract class AccountSettingsEntry : Object {
+    public abstract string id { get; }
+    public virtual Priority priority { get { return Priority.DEFAULT; } }
+    public abstract string name { get; }
+    public virtual int16 label_top_padding { get { return -1; } }
+
+    public abstract AccountSettingsWidget get_widget();
+}
+
+public interface AccountSettingsWidget : Gtk.Widget {
+    public abstract void set_account(Entities.Account account);
+
+    public abstract signal void activated();
+
+    public abstract void deactivate();
+}
+
 }
\ No newline at end of file
diff --git a/libdino/src/plugin/registry.vala b/libdino/src/plugin/registry.vala
index 8c75784e..27cac6f3 100644
--- a/libdino/src/plugin/registry.vala
+++ b/libdino/src/plugin/registry.vala
@@ -4,6 +4,7 @@ namespace Dino.Plugins {
 
 public class Registry {
     internal ArrayList<EncryptionListEntry> encryption_list_entries = new ArrayList<EncryptionListEntry>();
+    internal ArrayList<AccountSettingsEntry> account_settings_entries = new ArrayList<AccountSettingsEntry>();
 
     public bool register_encryption_list_entry(EncryptionListEntry entry) {
         lock(encryption_list_entries) {
@@ -15,6 +16,18 @@ public class Registry {
             return true;
         }
     }
+
+    public bool register_account_settings_entry(AccountSettingsEntry entry) {
+        lock(account_settings_entries) {
+            foreach(var e in account_settings_entries) {
+                if (e.id == entry.id) return false;
+            }
+            account_settings_entries.add(entry);
+            // TODO: Order by priority
+            account_settings_entries.sort((a,b) => b.name.collate(a.name));
+            return true;
+        }
+    }
 }
 
 }
\ No newline at end of file
diff --git a/libdino/src/service/pgp_manager.vala b/libdino/src/service/pgp_manager.vala
index 76f70b84..a91feac6 100644
--- a/libdino/src/service/pgp_manager.vala
+++ b/libdino/src/service/pgp_manager.vala
@@ -17,7 +17,85 @@ namespace Dino {
         public static void start(StreamInteractor stream_interactor, Database db) {
             PgpManager m = new PgpManager(stream_interactor, db);
             stream_interactor.add_module(m);
-            (GLib.Application.get_default() as Application).plugin_registry.register_encryption_list_entry(new EncryptionListEntry(m));
+
+            Plugins.Registry plugin_registry = (GLib.Application.get_default() as Application).plugin_registry;
+            plugin_registry.register_encryption_list_entry(new EncryptionListEntry(m));
+            plugin_registry.register_account_settings_entry(new AccountSettingsEntry(m));
+        }
+
+        private class AccountSettingsEntry : Plugins.AccountSettingsEntry {
+            private PgpManager pgp_manager;
+
+            public AccountSettingsEntry(PgpManager pgp_manager) {
+                this.pgp_manager = pgp_manager;
+            }
+
+            public override string id { get {
+                return "pgp_key_picker";
+            }}
+
+            public override string name { get {
+                return "OpenPGP";
+            }}
+
+            public override Plugins.AccountSettingsWidget get_widget() {
+                return new AccountSettingsWidget();
+            }
+        }
+
+        [GtkTemplate (ui = "/org/dino-im/manage_accounts/pgp_stack.ui")]
+        private class AccountSettingsWidget : Gtk.Stack, Plugins.AccountSettingsWidget {
+            [GtkChild] private Gtk.Label pgp_label;
+            [GtkChild] private Gtk.Button pgp_button;
+            [GtkChild] private Gtk.ComboBox pgp_combobox;
+
+            private Gtk.ListStore list_store = new Gtk.ListStore(2, typeof(string), typeof(string?));
+
+            public AccountSettingsWidget() {
+                Gtk.CellRendererText renderer = new Gtk.CellRendererText();
+                renderer.set_padding(0, 0);
+                pgp_combobox.pack_start(renderer, true);
+                pgp_combobox.add_attribute(renderer, "markup", 0);
+                pgp_button.clicked.connect(() => { activated(); this.set_visible_child_name("entry"); pgp_combobox.popup(); });
+            }
+
+            public void deactivate() {
+                this.set_visible_child_name("label");
+            }
+
+            private void key_changed() {
+                Gtk.TreeIter selected;
+                pgp_combobox.get_active_iter(out selected);
+                Value text;
+                list_store.get_value(selected, 0, out text);
+                pgp_label.set_markup((string) text);
+                deactivate();
+            }
+
+            public void set_account(Account account) {
+                populate_pgp_combobox(account);
+            }
+
+            private void populate_pgp_combobox(Account account) {
+                pgp_combobox.changed.disconnect(key_changed);
+
+                Gtk.TreeIter iter;
+                pgp_combobox.set_model(list_store);
+
+                list_store.clear();
+                list_store.append(out iter);
+                pgp_label.set_markup("Disabled\n<span font='9'>Select key</span>");
+                list_store.set(iter, 0, "Disabled\n<span font='9'>Select key</span>", 1, null);
+                Gee.List<GPG.Key> list = GPGHelper.get_keylist(null, true);
+                foreach (GPG.Key key in list) {
+                    list_store.append(out iter);
+                    list_store.set(iter, 0, @"<span font='11'>$(Markup.escape_text(key.uids[0].uid))</span>\n<span font='9'>0x$(Markup.escape_text(key.fpr[0:16]))</span>");
+                    list_store.set(iter, 1, key.fpr);
+                }
+
+                pgp_combobox.set_active(0);
+                pgp_combobox.changed.connect(key_changed);
+            }
         }
 
         private class EncryptionListEntry : Plugins.EncryptionListEntry, Object {
diff --git a/libdino/src/ui/manage_accounts/dialog.vala b/libdino/src/ui/manage_accounts/dialog.vala
index 879c6aee..3616c403 100644
--- a/libdino/src/ui/manage_accounts/dialog.vala
+++ b/libdino/src/ui/manage_accounts/dialog.vala
@@ -1,4 +1,5 @@
 using Gdk;
+using Gee;
 using Gtk;
 using Markup;
 
@@ -32,20 +33,14 @@ public class Dialog : Gtk.Window {
     [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 ComboBox pgp_combobox;
+    [GtkChild] public Grid settings_list;
 
+    private ArrayList<Plugins.AccountSettingsWidget> plugin_widgets = new ArrayList<Plugins.AccountSettingsWidget>();
 
     private Database db;
     private StreamInteractor stream_interactor;
 
     construct {
-        CellRendererText renderer = new Gtk.CellRendererText();
-        pgp_combobox.pack_start(renderer, true);
-        pgp_combobox.add_attribute(renderer, "markup", 0);
-
         account_list.row_selected.connect(account_list_row_selected);
         add_button.clicked.connect(add_button_clicked);
         no_accounts_add.clicked.connect(add_button_clicked);
@@ -55,6 +50,25 @@ public class Dialog : Gtk.Window {
         image_button.clicked.connect(on_image_button_clicked);
 
         main_stack.set_visible_child_name("no_accounts");
+
+        int row_index = 4;
+        int16 default_top_padding = new Gtk.Button().get_style_context().get_padding(Gtk.StateFlags.NORMAL).top + 1;
+        Application app = GLib.Application.get_default() as Application;
+        foreach (var e in app.plugin_registry.account_settings_entries) {
+            Plugins.AccountSettingsWidget widget = e.get_widget();
+            plugin_widgets.add(widget);
+            widget.visible = true;
+            widget.activated.connect(child_activated);
+            Label label = new Label(e.name);
+            label.get_style_context().add_class("dim-label");
+            label.set_padding(0, e.label_top_padding == -1 ? default_top_padding : e.label_top_padding);
+            label.yalign = 0;
+            label.xalign = 1;
+            label.visible = true;
+            settings_list.attach(label, 0, row_index);
+            settings_list.attach(widget, 1, row_index, 2);
+            row_index++;
+        }
     }
 
     public Dialog(StreamInteractor stream_interactor, Database db) {
@@ -131,38 +145,13 @@ public class Dialog : Gtk.Window {
 
         password_button.clicked.connect(() => { set_active_stack(password_stack); });
         alias_button.clicked.connect(() => { set_active_stack(alias_stack); });
-        pgp_button.clicked.connect(() => { set_active_stack(pgp_stack); pgp_combobox.popup(); });
         active_switch.state_set.connect(on_active_switch_state_changed);
 
-        populate_pgp_combobox(account);
-    }
-
-    private void populate_pgp_combobox(Account account) {
-
-        Gtk.ListStore list_store = new Gtk.ListStore(2, typeof(string), typeof(string?));
-        Gtk.TreeIter iter;
-
-        pgp_combobox.set_model(list_store);
-
-        list_store.append(out iter);
-        list_store.set(iter, 0, "Disabled", 1, null);
-        Gee.List<GPG.Key> list = GPGHelper.get_keylist(null, true);
-        foreach (GPG.Key key in list) {
-            list_store.append(out iter);
-            list_store.set(iter, 0, @"<span font='11'>$(escape_text(key.uids[0].uid))</span>\n<span font='9'>0x$(escape_text(key.fpr[0:16]))</span>");
-            list_store.set(iter, 1, key.fpr);
+        foreach(Plugins.AccountSettingsWidget widget in plugin_widgets) {
+            widget.set_account(account);
         }
 
-        pgp_combobox.set_active(0);
-
-        pgp_combobox.changed.connect(() => {
-            TreeIter selected;
-            pgp_combobox.get_active_iter(out selected);
-            Value text;
-            list_store.get_value(selected, 0, out text);
-            pgp_label.set_markup((string) text);
-            pgp_stack.set_visible_child_name("label");
-        });
+        child_activated(null);
     }
 
 
@@ -222,11 +211,18 @@ public class Dialog : Gtk.Window {
         }
     }
 
+    private void child_activated(Gtk.Widget? widget) {
+        if (widget != password_stack) password_stack.set_visible_child_name("label");
+        if (widget != alias_stack) alias_stack.set_visible_child_name("label");
+
+        foreach(var w in plugin_widgets) {
+            if (widget != (Gtk.Widget)w) w.deactivate();
+        }
+    }
+
     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");
+        child_activated(stack);
     }
 }