122 lines
4.7 KiB
JavaScript
122 lines
4.7 KiB
JavaScript
/*
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Copyright 2017 Travis Ralston
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Copyright 2019 New Vector Ltd.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import {MatrixClientPeg} from '../../MatrixClientPeg';
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import MatrixClientBackedSettingsHandler from "./MatrixClientBackedSettingsHandler";
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import {SettingLevel} from "../SettingsStore";
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import {objectClone, objectKeyChanges} from "../../utils/objects";
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/**
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* Gets and sets settings at the "room" level.
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*/
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export default class RoomSettingsHandler extends MatrixClientBackedSettingsHandler {
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constructor(watchManager) {
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super();
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this._watchers = watchManager;
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this._onEvent = this._onEvent.bind(this);
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}
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initMatrixClient(oldClient, newClient) {
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if (oldClient) {
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oldClient.removeListener("RoomState.events", this._onEvent);
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}
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newClient.on("RoomState.events", this._onEvent);
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}
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_onEvent(event, state, prevEvent) {
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const roomId = event.getRoomId();
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const room = this.client.getRoom(roomId);
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// Note: the tests often fire setting updates that don't have rooms in the store, so
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// we fail softly here. We shouldn't assume that the state being fired is current
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// state, but we also don't need to explode just because we didn't find a room.
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if (!room) console.warn(`Unknown room caused setting update: ${roomId}`);
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if (room && state !== room.currentState) return; // ignore state updates which are not current
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if (event.getType() === "org.matrix.room.preview_urls") {
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let val = event.getContent()['disable'];
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if (typeof (val) !== "boolean") {
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val = null;
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} else {
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val = !val;
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}
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this._watchers.notifyUpdate("urlPreviewsEnabled", roomId, SettingLevel.ROOM, val);
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} else if (event.getType() === "im.vector.web.settings") {
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// Figure out what changed and fire those updates
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const prevContent = prevEvent ? prevEvent.getContent() : {};
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const changedSettings = objectKeyChanges(prevContent, event.getContent());
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for (const settingName of changedSettings) {
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this._watchers.notifyUpdate(settingName, roomId, SettingLevel.ROOM, event.getContent()[settingName]);
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}
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}
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}
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getValue(settingName, roomId) {
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// Special case URL previews
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if (settingName === "urlPreviewsEnabled") {
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const content = this._getSettings(roomId, "org.matrix.room.preview_urls") || {};
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// Check to make sure that we actually got a boolean
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if (typeof(content['disable']) !== "boolean") return null;
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return !content['disable'];
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}
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const settings = this._getSettings(roomId) || {};
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return settings[settingName];
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}
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setValue(settingName, roomId, newValue) {
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// Special case URL previews
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if (settingName === "urlPreviewsEnabled") {
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const content = this._getSettings(roomId, "org.matrix.room.preview_urls") || {};
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content['disable'] = !newValue;
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return MatrixClientPeg.get().sendStateEvent(roomId, "org.matrix.room.preview_urls", content);
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}
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const content = this._getSettings(roomId) || {};
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content[settingName] = newValue;
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return MatrixClientPeg.get().sendStateEvent(roomId, "im.vector.web.settings", content, "");
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}
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canSetValue(settingName, roomId) {
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const cli = MatrixClientPeg.get();
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const room = cli.getRoom(roomId);
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let eventType = "im.vector.web.settings";
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if (settingName === "urlPreviewsEnabled") eventType = "org.matrix.room.preview_urls";
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if (!room) return false;
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return room.currentState.maySendStateEvent(eventType, cli.getUserId());
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}
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isSupported() {
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const cli = MatrixClientPeg.get();
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return cli !== undefined && cli !== null;
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}
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_getSettings(roomId, eventType = "im.vector.web.settings") {
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const room = MatrixClientPeg.get().getRoom(roomId);
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if (!room) return null;
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const event = room.currentState.getStateEvents(eventType, "");
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if (!event || !event.getContent()) return null;
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return objectClone(event.getContent()); // clone to prevent mutation
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}
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}
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