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Fix WebUI crash in single-column mode on prehistoric browsers (#13267) 

Fixes #13266
This commit is contained in:
ThibG 2020-03-17 20:43:55 +01:00 committed by GitHub
parent cb12a2cdd3
commit b998ec7c72
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 12 additions and 8 deletions
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20
app/javascript/mastodon/components/scrollable_list.js
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@ -82,15 +82,19 @@ export default class ScrollableList extends PureComponent {
lastScrollWasSynthetic = false;
scrollToTopOnMouseIdle = false;
_getScrollingElement = () => {
if (this.props.bindToDocument) {
return (document.scrollingElement || document.body);
} else {
return this.node;
}
}
setScrollTop = newScrollTop => {
if (this.getScrollTop() !== newScrollTop) {
this.lastScrollWasSynthetic = true;
if (this.props.bindToDocument) {
document.scrollingElement.scrollTop = newScrollTop;
} else {
this.node.scrollTop = newScrollTop;
}
this._getScrollingElement().scrollTop = newScrollTop;
}
};
@ -151,15 +155,15 @@ export default class ScrollableList extends PureComponent {
}
getScrollTop = () => {
return this.props.bindToDocument ? document.scrollingElement.scrollTop : this.node.scrollTop;
return this._getScrollingElement().scrollTop;
}
getScrollHeight = () => {
return this.props.bindToDocument ? document.scrollingElement.scrollHeight : this.node.scrollHeight;
return this._getScrollingElement().scrollHeight;
}
getClientHeight = () => {
return this.props.bindToDocument ? document.scrollingElement.clientHeight : this.node.clientHeight;
return this._getScrollingElement().clientHeight;
}
updateScrollBottom = (snapshot) => {