remove resizeobserver code

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

View File

@ -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() {