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-rw-r--r--libdino/src/ui/conversation_summary/view.vala220
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
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+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); });
+ }
+}
+
+}