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

Fixes #13266
main
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; lastScrollWasSynthetic = false;
scrollToTopOnMouseIdle = false; scrollToTopOnMouseIdle = false;
_getScrollingElement = () => {
if (this.props.bindToDocument) {
return (document.scrollingElement || document.body);
} else {
return this.node;
}
}
setScrollTop = newScrollTop => { setScrollTop = newScrollTop => {
if (this.getScrollTop() !== newScrollTop) { if (this.getScrollTop() !== newScrollTop) {
this.lastScrollWasSynthetic = true; this.lastScrollWasSynthetic = true;
if (this.props.bindToDocument) { this._getScrollingElement().scrollTop = newScrollTop;
document.scrollingElement.scrollTop = newScrollTop;
} else {
this.node.scrollTop = newScrollTop;
}
} }
}; };
@ -151,15 +155,15 @@ export default class ScrollableList extends PureComponent {
} }
getScrollTop = () => { getScrollTop = () => {
return this.props.bindToDocument ? document.scrollingElement.scrollTop : this.node.scrollTop; return this._getScrollingElement().scrollTop;
} }
getScrollHeight = () => { getScrollHeight = () => {
return this.props.bindToDocument ? document.scrollingElement.scrollHeight : this.node.scrollHeight; return this._getScrollingElement().scrollHeight;
} }
getClientHeight = () => { getClientHeight = () => {
return this.props.bindToDocument ? document.scrollingElement.clientHeight : this.node.clientHeight; return this._getScrollingElement().clientHeight;
} }
updateScrollBottom = (snapshot) => { updateScrollBottom = (snapshot) => {