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Code Issues Releases Wiki Activity

Separate updateScrubber into separate method from onscroll

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This commit is contained in:
Alexander Skvortsov
2020-07-06 18:41:58 -04:00
committed by Franz Liedke
parent 5cdfeaf9a5
commit 1360723c3f
1 changed files with 9 additions and 1 deletions
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10
js/src/forum/components/PostStream.js
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@@ -136,7 +136,7 @@ export default class PostStream extends Component {
*
* @param {Integer} top
*/
onscroll(top) {
onscroll(top = window.pageYOffset) {
if (this.state.paused) return;
const marginTop = this.getMarginTop();
const viewportHeight = $(window).height() - marginTop;
@@ -164,6 +164,14 @@ export default class PostStream extends Component {
clearTimeout(this.calculatePositionTimeout);
this.calculatePositionTimeout = setTimeout(this.calculatePosition.bind(this), 100);
this.updateScrubber(top);
}
updateScrubber(top = window.pageYOffset) {
const marginTop = this.getMarginTop();
const viewportHeight = $(window).height() - marginTop;
const viewportTop = top + marginTop;
// Before looping through all of the posts, we reset the scrollbar
// properties to a 'default' state. These values reflect what would be
// seen if the browser were scrolled right up to the top of the page,