Merge branch 'master' of github.com:dino/dino

1 files changed, 220 insertions, 0 deletions

diff --git a/libdino/src/ui/conversation_summary/view.vala b/libdino/src/ui/conversation_summary/view.vala
new file mode 100644
index 00000000..d2599041
--- /dev/null
+++ b/libdino/src/ui/conversation_summary/view.vala
@@ -0,0 +1,220 @@
+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); });
+    }
+}
+
+}