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FIX: Never show the "Back" button when close to the bottom of the timeline

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This commit is contained in:
Robin Ward 2016-06-07 11:19:09 -04:00
parent 5f92de8ede
commit b624c5cc94
1 changed files with 2 additions and 2 deletions
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4
app/assets/javascripts/discourse/widgets/topic-timeline.js.es6
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@ -143,9 +143,9 @@ createWidget('timeline-scrollarea', {
this.attach('timeline-padding', { height: after })
];
if (position.lastRead && position.lastRead < attrs.topic.posts_count) {
if (position.lastRead) {
const lastReadTop = Math.round(position.lastReadPercentage * SCROLLAREA_HEIGHT);
if (lastReadTop > (before + SCROLLER_HEIGHT)) {
if ((lastReadTop > (before + SCROLLER_HEIGHT)) && (lastReadTop < (SCROLLAREA_HEIGHT - SCROLLER_HEIGHT))) {
result.push(this.attach('timeline-last-read', { top: lastReadTop, lastRead: position.lastRead }));
}
}