mirrors/element-web
1
0
Fork 0
mirror of https://github.com/element-hq/element-web synced 2024-11-23 09:46:09 +03:00
Code Issues Projects Releases Packages Wiki Activity

Prevent an exception getting scroll node

Browse source 
Don't try to findDOMNode before we're mounted as it makes react
angry.
This commit is contained in:
David Baker 2017-05-18 17:33:32 +01:00
parent e38437e6ce
commit 01955146e9
1 changed files with 11 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

12
src/components/views/rooms/RoomList.js
View file

@ -50,6 +50,8 @@ module.exports = React.createClass({
},
componentWillMount: function() {
this.mounted = false;
var cli = MatrixClientPeg.get();
cli.on("Room", this.onRoom);
cli.on("deleteRoom", this.onDeleteRoom);
@ -69,9 +71,12 @@ module.exports = React.createClass({
this.dispatcherRef = dis.register(this.onAction);
// Initialise the stickyHeaders when the component is created
this._updateStickyHeaders(true);
this.mounted = true;
},
componentDidUpdate: function() {
componentDidUpdate: function(prevp, nextp) {
console.log(prevp, nextp);
// Reinitialise the stickyHeaders when the component is updated
this._updateStickyHeaders(true);
this._repositionIncomingCallBox(undefined, false);
@ -106,6 +111,8 @@ module.exports = React.createClass({
},
componentWillUnmount: function() {
this.mounted = false;
dis.unregister(this.dispatcherRef);
if (MatrixClientPeg.get()) {
MatrixClientPeg.get().removeListener("Room", this.onRoom);
@ -311,6 +318,7 @@ module.exports = React.createClass({
},
_getScrollNode: function() {
if (!this.mounted) return null;
var panel = ReactDOM.findDOMNode(this);
if (!panel) return null;
@ -337,6 +345,7 @@ module.exports = React.createClass({
var incomingCallBox = document.getElementById("incomingCallBox");
if (incomingCallBox && incomingCallBox.parentElement) {
var scrollArea = this._getScrollNode();
if (!scrollArea) return;
// Use the offset of the top of the scroll area from the window
// as this is used to calculate the CSS fixed top position for the stickies
var scrollAreaOffset = scrollArea.getBoundingClientRect().top + window.pageYOffset;
@ -360,6 +369,7 @@ module.exports = React.createClass({
// properly through React
_initAndPositionStickyHeaders: function(initialise, scrollToPosition) {
var scrollArea = this._getScrollNode();
if (!scrollArea) return;
// Use the offset of the top of the scroll area from the window
// as this is used to calculate the CSS fixed top position for the stickies
var scrollAreaOffset = scrollArea.getBoundingClientRect().top + window.pageYOffset;