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remove resizeobserver code

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seems to cause more harm than good in some cases and we shouldn't need
it if we get our calls to onHeightChanged in order.
This commit is contained in:
Bruno Windels
2019-03-07 12:19:39 +01:00
parent 89b044f5d8
commit 98a3f7db0f
1 changed files with 0 additions and 26 deletions
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26
src/components/structures/ScrollPanel.js
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@ -79,26 +79,6 @@ if (DEBUG_SCROLL) {
* offset as normal.
*/
function createTimelineResizeDetector(scrollNode, itemlist, callback) {
if (typeof ResizeObserver !== "undefined") {
const ro = new ResizeObserver(callback);
ro.observe(itemlist);
return ro;
} else if (typeof IntersectionObserver !== "undefined") {
const threshold = [];
for (let i = 0; i <= 1000; ++i) {
threshold.push(i / 1000);
}
const io = new IntersectionObserver(
callback,
{root: scrollNode, threshold},
);
io.observe(itemlist);
return io;
}
}
module.exports = React.createClass({
displayName: 'ScrollPanel',
@ -181,12 +161,6 @@ module.exports = React.createClass({
componentDidMount: function() {
this.checkScroll();
this._timelineSizeObserver = createTimelineResizeDetector(
this._getScrollNode(),
this.refs.itemlist,
() => { this._restoreSavedScrollState(); },
);
},
componentDidUpdate: function() {