Chapril/xmpp.chapril.org-conversejs
Chapril/xmpp.chapril.org-conversejs
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Some optimization changes.

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Don't sort roster contacts needlessly.
Don't call show() or hide() needlessly.
No need for setting a 'sorted' attr on the last item.
This commit is contained in:
JC Brand 2013-08-29 21:24:47 +02:00
parent c5e44a02fa
commit 9463778185
1 changed files with 24 additions and 27 deletions
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51
converse.js
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@ -2257,44 +2257,41 @@
$contact_requests.after(view.render().el);
$contact_requests.after($contact_requests.siblings('dd.requesting-xmpp-contact').tsort(crit));
} else if (subscription === 'both' || subscription === 'to') {
if (!item.get('sorted')) {
// this attribute will be true only after all of the elements have been added on the page
// at this point all offline
if ($.contains(document.documentElement, view.el)) {
view.render();
} else {
$my_contacts.after(view.render().el);
}
else {
// just by calling render will be enough to change the icon of the existing item without
// having to reinsert it and the sort will come from the presence change
view.render();
}
}
presence_change = view.model.changed.chat_status;
if (presence_change) {
// resort all items only if the model has changed it's chat_status as this render
// is also triggered when the resource is changed which always comes before the presence change
// therefore we avoid resorting when the change doesn't affect the position of the item
$my_contacts.after($my_contacts.siblings('dd.current-xmpp-contact.offline').tsort('a', crit));
$my_contacts.after($my_contacts.siblings('dd.current-xmpp-contact.unavailable').tsort('a', crit));
$my_contacts.after($my_contacts.siblings('dd.current-xmpp-contact.away').tsort('a', crit));
$my_contacts.after($my_contacts.siblings('dd.current-xmpp-contact.dnd').tsort('a', crit));
$my_contacts.after($my_contacts.siblings('dd.current-xmpp-contact.online').tsort('a', crit));
}
if (item.get('is_last') && !item.get('sorted')) {
// this will be true after all of the roster items have been added with the default
// options where all of the items are offline and now we can show the rosterView
item.set('sorted', true);
this.initialSort();
this.$el.show();
presence_change = view.model.changed.chat_status;
if (presence_change) {
$my_contacts.siblings('dd.current-xmpp-contact.'+presence_change).tsort('a', crit);
$my_contacts.after($my_contacts.siblings('dd.current-xmpp-contact.offline'));
$my_contacts.after($my_contacts.siblings('dd.current-xmpp-contact.unavailable'));
$my_contacts.after($my_contacts.siblings('dd.current-xmpp-contact.away'));
$my_contacts.after($my_contacts.siblings('dd.current-xmpp-contact.dnd'));
$my_contacts.after($my_contacts.siblings('dd.current-xmpp-contact.online'));
}
if (item.get('is_last')) {
if (!this.$el.is(':visible')) {
// Once all initial roster items have been added, we
// can show the roster.
this.initialSort();
this.$el.show();
}
converse.xmppstatus.sendPresence();
}
}
// Hide the headings if there are no contacts under them
_.each([$my_contacts, $contact_requests, $pending_contacts], function (h) {
if (h.nextUntil('dt').length) {
h.show();
if (!h.is(':visible')) {
h.show();
}
}
else {
else if (h.is(':visible')) {
h.hide();
}
});