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using Gee;
using Gtk;
using Dino.Entities;
using Xmpp;
namespace Dino.Ui.ConversationSummary {
class DateSeparatorPopulator : Plugins.ConversationItemPopulator, Plugins.ConversationAdditionPopulator, Object {
public string id { get { return "date_separator"; } }
private StreamInteractor stream_interactor;
private Conversation? current_conversation;
private Plugins.ConversationItemCollection? item_collection;
private Gee.TreeSet<DateTime> insert_times;
public DateSeparatorPopulator(StreamInteractor stream_interactor) {
this.stream_interactor = stream_interactor;
}
public void init(Conversation conversation, Plugins.ConversationItemCollection item_collection, Plugins.WidgetType type) {
current_conversation = conversation;
this.item_collection = item_collection;
item_collection.inserted_item.connect(on_inserted_item);
this.insert_times = new TreeSet<DateTime>((a, b) => {
return a.compare(b);
});
}
public void close(Conversation conversation) {
item_collection.inserted_item.disconnect(on_inserted_item);
}
public void populate_timespan(Conversation conversation, DateTime after, DateTime before) { }
private void on_inserted_item(Plugins.MetaConversationItem item) {
if (item.display_time == null) return;
DateTime time = item.sort_time.to_local();
DateTime msg_date = new DateTime.local(time.get_year(), time.get_month(), time.get_day_of_month(), 0, 0, 0);
if (!insert_times.contains(msg_date)) {
if (insert_times.lower(msg_date) != null) {
item_collection.insert_item(new MetaDateItem(msg_date.to_utc()));
} else if (insert_times.size > 0) {
item_collection.insert_item(new MetaDateItem(insert_times.first().to_utc()));
}
insert_times.add(msg_date);
}
}
}
public class MetaDateItem : Plugins.MetaConversationItem {
public override DateTime? sort_time { get; set; }
public override bool can_merge { get; set; default=false; }
public override bool requires_avatar { get; set; default=false; }
public override bool requires_header { get; set; default=false; }
private DateTime date;
public MetaDateItem(DateTime date) {
this.date = date;
this.sort_time = date;
}
public override Object? get_widget(Plugins.WidgetType widget_type) {
Box box = new Box(Orientation.HORIZONTAL, 10) { width_request=300, halign=Align.CENTER, visible=true };
box.add(new Separator(Orientation.HORIZONTAL) { valign=Align.CENTER, hexpand=true, visible=true });
string date_str = get_relative_time(date);
Label label = new Label(@"<span size='small'>$date_str</span>") { use_markup=true, halign=Align.CENTER, hexpand=false, visible=true };
label.get_style_context().add_class("dim-label");
box.add(label);
box.add(new Separator(Orientation.HORIZONTAL) { valign=Align.CENTER, hexpand=true, visible=true });
return box;
}
private static string get_relative_time(DateTime time) {
DateTime time_local = time.to_local();
DateTime now_local = new DateTime.now_local();
if (time_local.get_year() == now_local.get_year() &&
time_local.get_month() == now_local.get_month() &&
time_local.get_day_of_month() == now_local.get_day_of_month()) {
return _("Today");
}
DateTime now_local_minus = now_local.add_days(-1);
if (time_local.get_year() == now_local_minus.get_year() &&
time_local.get_month() == now_local_minus.get_month() &&
time_local.get_day_of_month() == now_local_minus.get_day_of_month()) {
return _("Yesterday");
}
if (time_local.get_year() != now_local.get_year()) {
return time_local.format("%x");
}
TimeSpan timespan = now_local.difference(time_local);
if (timespan < 7 * TimeSpan.DAY) {
return time_local.format(_("%a, %b %d"));
} else {
return time_local.format(_("%b %d"));
}
}
}
}
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