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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); });
}
}
}
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