fix(status_list): Update scroll position after toots are appended (#4277)

th-downstream
Sorin Davidoi 7 years ago committed by Eugen Rochko
parent 04ec8a8f38
commit 707d6fa9c0

@ -57,13 +57,14 @@ export default class StatusList extends ImmutablePureComponent {
componentDidUpdate (prevProps) {
// Reset the scroll position when a new toot comes in in order not to
// jerk the scrollbar around if you're already scrolled down the page.
if (prevProps.statusIds.size < this.props.statusIds.size &&
prevProps.statusIds.first() !== this.props.statusIds.first() &&
this._oldScrollPosition &&
this.node.scrollTop > 0) {
let newScrollTop = this.node.scrollHeight - this._oldScrollPosition;
if (this.node.scrollTop !== newScrollTop) {
this.node.scrollTop = newScrollTop;
if (prevProps.statusIds.size < this.props.statusIds.size && this._oldScrollPosition && this.node.scrollTop > 0) {
if (prevProps.statusIds.first() !== this.props.statusIds.first()) {
let newScrollTop = this.node.scrollHeight - this._oldScrollPosition;
if (this.node.scrollTop !== newScrollTop) {
this.node.scrollTop = newScrollTop;
}
} else {
this._oldScrollPosition = this.node.scrollHeight - this.node.scrollTop;
}
}
}

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