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Cache permalink creators out of the component's state

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This commit is contained in:
Travis Ralston 2019-04-09 12:01:09 -06:00
parent c49afe4d72
commit e4a9d4f5c8
2 changed files with 28 additions and 21 deletions
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42
src/components/structures/RoomView.js
View File

@ -272,6 +272,20 @@ module.exports = React.createClass({
return this.state.room ? this.state.room.roomId : this.state.roomId;
},
_getPermalinkCreatorForRoom: function(room) {
if (!this._permalinkCreators) this._permalinkCreators = {};
if (this._permalinkCreators[room.roomId]) return this._permalinkCreators[room.roomId];
return this._permalinkCreators[room.roomId] = new RoomPermalinkCreator(room);
},
_stopAllPermalinkCreators: function() {
if (!this._permalinkCreators) return;
for (const roomId of Object.keys(this._permalinkCreators)) {
this._permalinkCreators[roomId].stop();
}
},
_onWidgetEchoStoreUpdate: function() {
this.setState({
showApps: this._shouldShowApps(this.state.room),
@ -436,9 +450,7 @@ module.exports = React.createClass({
}
// stop tracking room changes to format permalinks
if (this.state.permalinkCreator) {
this.state.permalinkCreator.stop();
}
this._stopAllPermalinkCreators();
if (this.refs.roomView) {
// disconnect the D&D event listeners from the room view. This
@ -650,11 +662,9 @@ module.exports = React.createClass({
this._loadMembersIfJoined(room);
this._calculateRecommendedVersion(room);
this._updateE2EStatus(room);
if (!this.state.permalinkCreator) {
const permalinkCreator = new RoomPermalinkCreator(room);
permalinkCreator.start();
this.setState({permalinkCreator});
}
let creator = this._getPermalinkCreatorForRoom(room);
if (!creator.isStarted()) creator.start();
},
_calculateRecommendedVersion: async function(room) {
@ -1161,10 +1171,6 @@ module.exports = React.createClass({
}
};
// We cache the permalink creators to avoid creating a ton of them in popular searches
const permalinkCreators = {}; // [roomId] => creator
permalinkCreators[this.state.room.roomId] = this.state.permalinkCreator;
let lastRoomId;
for (let i = this.state.searchResults.results.length - 1; i >= 0; i--) {
@ -1198,17 +1204,11 @@ module.exports = React.createClass({
const resultLink = "#/room/"+roomId+"/"+mxEv.getId();
let permalinkCreator = permalinkCreators[roomId];
if (!permalinkCreator) {
permalinkCreator = permalinkCreators[roomId] = new RoomPermalinkCreator(room);
permalinkCreator.stop(); // We're not interested in monitoring for updates here.
}
ret.push(<SearchResultTile key={mxEv.getId()}
searchResult={result}
searchHighlights={this.state.searchHighlights}
resultLink={resultLink}
permalinkCreator={permalinkCreator}
permalinkCreator={this._getPermalinkCreatorForRoom(room)}
onHeightChanged={onHeightChanged} />);
}
return ret;
@ -1733,7 +1733,7 @@ module.exports = React.createClass({
disabled={this.props.disabled}
showApps={this.state.showApps}
e2eStatus={this.state.e2eStatus}
permalinkCreator={this.state.permalinkCreator}
permalinkCreator={this._getPermalinkCreatorForRoom(this.state.room)}
/>;
}
@ -1835,7 +1835,7 @@ module.exports = React.createClass({
showUrlPreview = {this.state.showUrlPreview}
className="mx_RoomView_messagePanel"
membersLoaded={this.state.membersLoaded}
permalinkCreator={this.state.permalinkCreator}
permalinkCreator={this._getPermalinkCreatorForRoom(this.state.room)}
resizeNotifier={this.props.resizeNotifier}
/>);

7
src/matrix-to.js
View File

@ -77,6 +77,7 @@ export class RoomPermalinkCreator {
this._bannedHostsRegexps = null;
this._allowedHostsRegexps = null;
this._serverCandidates = null;
this._started = false;
this.onMembership = this.onMembership.bind(this);
this.onRoomState = this.onRoomState.bind(this);
@ -101,11 +102,17 @@ export class RoomPermalinkCreator {
this.load();
this._room.on("RoomMember.membership", this.onMembership);
this._room.on("RoomState.events", this.onRoomState);
this._started = true;
}
stop() {
this._room.removeListener("RoomMember.membership", this.onMembership);
this._room.removeListener("RoomState.events", this.onRoomState);
this._started = false;
}
isStarted() {
return this._started;
}
forEvent(eventId) {