Robin Ward
53 lines
1.3 KiB
JavaScript
53 lines
1.3 KiB
JavaScript
import MountWidget from 'discourse/components/mount-widget';
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import Docking from 'discourse/mixins/docking';
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export default MountWidget.extend(Docking, {
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widget: 'topic-timeline-container',
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dockAt: null,
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buildArgs() {
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return { topic: this.get('topic'),
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topicTrackingState: this.topicTrackingState,
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enteredIndex: this.get('enteredIndex'),
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dockAt: this.dockAt };
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},
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dockCheck(info) {
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if (this.get('loading')) { return; }
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const topicTop = $('.container.posts').offset().top;
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const topicBottom = $('#topic-bottom').offset().top;
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const $timeline = this.$('.timeline-container');
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const timelineHeight = $timeline.height();
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const parentTop = $('.posts-wrapper').offset().top;
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const tTop = 140;
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const prev = this.dockAt;
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const posTop = tTop + info.offset();
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const pos = posTop + timelineHeight;
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if (posTop < topicTop) {
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this.dockAt = 0;
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} else if (pos > topicBottom) {
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this.dockAt = topicBottom - timelineHeight - parentTop;
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} else {
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this.dockAt = null;
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}
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if (this.dockAt !== prev) {
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this.queueRerender();
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}
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},
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didInsertElement() {
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this._super();
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this.dispatch('topic:current-post-changed', 'timeline-scrollarea');
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},
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willDestroyElement() {
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this._super();
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this.appEvents.off('topic:current-post-changed');
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}
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});
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