Chapril/xmpp.chapril.org-conversejs
Chapril/xmpp.chapril.org-conversejs
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Improvement. Don't lose your place with infinite upscroll.

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updates #306
This commit is contained in:
JC Brand 2015-07-18 09:20:13 +02:00
parent 796582d96f
commit ec02d34af9
1 changed files with 16 additions and 6 deletions
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20
converse.js
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@ -1396,13 +1396,15 @@
// That way we could probably also better show day indicators.
// That code should perhaps go into onMessageAdded
if (num_messages && msg_time.isBefore(this.model.messages.at(0).get('time'))) {
if (! has_scrollbar || $content.scrollTop() !== 0) {
insertMessage = _.compose(this.scrollDown.bind(this), $content.prepend.bind($content));
} else {
insertMessage = $content.prepend.bind($content);
insertMessage = _.compose(
this.scrollDownMessageHeight.bind(this),
function ($el) {
$content.prepend($el);
return $el;
}
);
} else {
insertMessage = _.compose(this.scrollDown.bind(this), $content.append.bind($content));
insertMessage = _.compose(_.debounce(this.scrollDown.bind(this), 50), $content.append.bind($content));
}
if ((match) && (match[1] === 'me')) {
text = text.replace(/^\/me/, '');
@ -1969,6 +1971,14 @@
return this;
},
scrollDownMessageHeight: function ($message) {
var $content = this.$('.chat-content');
if ($content.is(':visible')) {
$content.scrollTop($content.scrollTop() + $message[0].scrollHeight);
}
return this;
},
scrollDown: function () {
var $content = this.$('.chat-content');
if ($content.is(':visible')) {