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add timeline profiling markers when updateheight and onscroll run

pull/21833/head
Bruno Windels 2019-03-25 12:45:51 +01:00
parent c9c2519240
commit 8f7170a4a1
1 changed files with 4 additions and 0 deletions
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4
src/components/structures/ScrollPanel.js
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@ -195,6 +195,7 @@ module.exports = React.createClass({
this._saveScrollState();
this.checkFillState();
this.updatePreventShrinking();
console.timeStamp("onScroll:" + JSON.stringify({st: this._getScrollNode().scrollTop, mh: this._getMessagesHeight(), lh: this._getListHeight()}));
this.props.onScroll(ev);
},
@ -596,6 +597,7 @@ module.exports = React.createClass({
const bottomDiff = newBottomOffset - scrollState.bottomOffset;
this._bottomGrowth += bottomDiff;
scrollState.bottomOffset = newBottomOffset;
console.timeStamp("restoreSavedScrollState:" + JSON.stringify({bd: bottomDiff, lh: this._getListHeight()}));
itemlist.style.height = `${this._getListHeight()}px`;
debuglog("balancing height because messages below viewport grew by "+bottomDiff+"px");
}
@ -635,6 +637,7 @@ module.exports = React.createClass({
itemlist.style.height = `${newHeight}px`;
sn.scrollTop = sn.scrollHeight;
debuglog("updateHeight to", newHeight);
console.timeStamp("updateHeight: to bottom");
} else if (scrollState.trackedScrollToken) {
const trackedNode = this._getTrackedNode();
// if the timeline has been reloaded
@ -654,6 +657,7 @@ module.exports = React.createClass({
const topDiff = newTop - oldTop;
sn.scrollTop = preexistingScrollTop + topDiff;
debuglog("updateHeight to", {newHeight, topDiff, preexistingScrollTop});
console.timeStamp("updateHeight:" + JSON.stringify({nh: newHeight, td: topDiff, st: preexistingScrollTop}));
}
}
},