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Make sure to proxy special prop ref

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This commit is contained in:
Luke Barnard 2018-03-21 15:58:14 +00:00
parent b80568b1c5
commit 39e9d52c04
3 changed files with 22 additions and 6 deletions
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17
src/components/structures/ScrollPanel.js
View file

@ -19,6 +19,7 @@ const ReactDOM = require("react-dom");
import PropTypes from 'prop-types';
import Promise from 'bluebird';
import { KeyCode } from '../../Keyboard';
import sdk from '../../index.js';
const DEBUG_SCROLL = false;
// var DEBUG_SCROLL = true;
@ -223,7 +224,7 @@ module.exports = React.createClass({
onResize: function() {
this.props.onResize();
this.checkScroll();
this.refs.geminiPanel.forceUpdate();
if (this._gemScroll) this._gemScroll.forceUpdate();
},
// after an update to the contents of the panel, check that the scroll is
@ -664,7 +665,17 @@ module.exports = React.createClass({
throw new Error("ScrollPanel._getScrollNode called when unmounted");
}
return this.refs.geminiPanel.scrollbar.getViewElement();
if (!this._gemScroll) {
// Likewise, we should have the ref by this point, but if not
// turn the NPE into something meaningful.
throw new Error("ScrollPanel._getScrollNode called before gemini ref collected");
}
return this._gemScroll.scrollbar.getViewElement();
},
_collectGeminiScroll: function(gemScroll) {
this._gemScroll = gemScroll;
},
render: function() {
@ -672,7 +683,7 @@ module.exports = React.createClass({
// TODO: the classnames on the div and ol could do with being updated to
// reflect the fact that we don't necessarily contain a list of messages.
// it's not obvious why we have a separate div and ol anyway.
return (<GeminiScrollbarWrapper autoshow={true} ref="geminiPanel"
return (<GeminiScrollbarWrapper autoshow={true} wrappedRef={this._collectGeminiScroll}
onScroll={this.onScroll} onResize={this.onResize}
className={this.props.className} style={this.props.style}>
<div className="mx_RoomView_messageListWrapper">

2
src/components/views/elements/GeminiScrollbarWrapper.js
View file

@ -26,7 +26,7 @@ class GeminiScrollbarWrapper extends React.Component {
// By default GeminiScrollbar allows native scrollbars to be used
// on macOS. Use forceGemini to enable Gemini's non-native
// scrollbars on all OSs.
return <GeminiScrollbar forceGemini={true} {...this.props}>
return <GeminiScrollbar ref={this.props.wrappedRef} forceGemini={true} {...this.props}>
{ this.props.children }
</GeminiScrollbar>;
}

9
src/components/views/rooms/RoomList.js
View file

@ -507,7 +507,8 @@ module.exports = React.createClass({
onShowMoreRooms: function() {
// kick gemini in the balls to get it to wake up
// XXX: uuuuuuugh.
this.refs.gemscroll.forceUpdate();
if (!this._gemScroll) return;
this._gemScroll.forceUpdate();
},
_getEmptyContent: function(section) {
@ -598,6 +599,10 @@ module.exports = React.createClass({
return ret;
},
_collectGemini(gemScroll) {
this._gemScroll = gemScroll;
},
render: function() {
const RoomSubList = sdk.getComponent('structures.RoomSubList');
const GeminiScrollbarWrapper = sdk.getComponent("elements.GeminiScrollbarWrapper");
@ -605,7 +610,7 @@ module.exports = React.createClass({
const self = this;
return (
<GeminiScrollbarWrapper className="mx_RoomList_scrollbar"
autoshow={true} onScroll={self._whenScrolling} ref="gemscroll">
autoshow={true} onScroll={self._whenScrolling} wrappedRef={this._collectGemini}>
<div className="mx_RoomList">
<RoomSubList list={[]}
extraTiles={this._makeGroupInviteTiles()}