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Convert RoomSettingsHandler to TS

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Travis Ralston 2020-07-28 22:16:54 -06:00
parent c7b28b4566
commit 51968a8072
1 changed files with 24 additions and 23 deletions
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src/settings/handlers/RoomSettingsHandler.js
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/*
Copyright 2017 Travis Ralston
Copyright 2019 New Vector Ltd.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
import {MatrixClientPeg} from '../../MatrixClientPeg';
import MatrixClientBackedSettingsHandler from "./MatrixClientBackedSettingsHandler";
import {objectClone, objectKeyChanges} from "../../utils/objects";
import {SettingLevel} from "../SettingLevel";
/**
* Gets and sets settings at the "room" level.
*/
export default class RoomSettingsHandler extends MatrixClientBackedSettingsHandler {
constructor(watchManager) {
super();
this._watchers = watchManager;
this._onEvent = this._onEvent.bind(this);
}
initMatrixClient(oldClient, newClient) {
if (oldClient) {
oldClient.removeListener("RoomState.events", this._onEvent);
}
newClient.on("RoomState.events", this._onEvent);
}
_onEvent(event, state, prevEvent) {
const roomId = event.getRoomId();
const room = this.client.getRoom(roomId);
// Note: in tests and during the encryption setup on initial load we might not have
// rooms in the store, so we just quietly ignore the problem. If we log it then we'll
// just end up spamming the logs a few thousand times. It is perfectly fine for us
// to ignore the problem as the app will not have loaded enough to care yet.
if (!room) return;
// ignore state updates which are not current
if (room && state !== room.currentState) return;
if (event.getType() === "org.matrix.room.preview_urls") {
let val = event.getContent()['disable'];
if (typeof (val) !== "boolean") {
val = null;
} else {
val = !val;
}
this._watchers.notifyUpdate("urlPreviewsEnabled", roomId, SettingLevel.ROOM, val);
} else if (event.getType() === "im.vector.web.settings") {
// Figure out what changed and fire those updates
const prevContent = prevEvent ? prevEvent.getContent() : {};
const changedSettings = objectKeyChanges(prevContent, event.getContent());
for (const settingName of changedSettings) {
this._watchers.notifyUpdate(settingName, roomId, SettingLevel.ROOM, event.getContent()[settingName]);
}
}
}
getValue(settingName, roomId) {
// Special case URL previews
if (settingName === "urlPreviewsEnabled") {
const content = this._getSettings(roomId, "org.matrix.room.preview_urls") || {};
// Check to make sure that we actually got a boolean
if (typeof(content['disable']) !== "boolean") return null;
return !content['disable'];
}
const settings = this._getSettings(roomId) || {};
return settings[settingName];
}
setValue(settingName, roomId, newValue) {
// Special case URL previews
if (settingName === "urlPreviewsEnabled") {
const content = this._getSettings(roomId, "org.matrix.room.preview_urls") || {};
content['disable'] = !newValue;
return MatrixClientPeg.get().sendStateEvent(roomId, "org.matrix.room.preview_urls", content);
}
const content = this._getSettings(roomId) || {};
content[settingName] = newValue;
return MatrixClientPeg.get().sendStateEvent(roomId, "im.vector.web.settings", content, "");
}
canSetValue(settingName, roomId) {
const cli = MatrixClientPeg.get();
const room = cli.getRoom(roomId);
let eventType = "im.vector.web.settings";
if (settingName === "urlPreviewsEnabled") eventType = "org.matrix.room.preview_urls";
if (!room) return false;
return room.currentState.maySendStateEvent(eventType, cli.getUserId());
}
isSupported() {
const cli = MatrixClientPeg.get();
return cli !== undefined && cli !== null;
}
_getSettings(roomId, eventType = "im.vector.web.settings") {
const room = MatrixClientPeg.get().getRoom(roomId);
if (!room) return null;
const event = room.currentState.getStateEvents(eventType, "");
if (!event || !event.getContent()) return null;
return objectClone(event.getContent()); // clone to prevent mutation
}
}