mirror of
https://github.com/vector-im/hydrogen-web.git
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96959a3c4c
Signed-off-by: RMidhunSuresh <rmidhunsuresh@gmail.com>
267 lines
9.6 KiB
JavaScript
267 lines
9.6 KiB
JavaScript
/*
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Copyright 2020 Bruno Windels <bruno@windels.cloud>
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Copyright 2020 The Matrix.org Foundation C.I.C.
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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 {LeftPanelViewModel} from "./leftpanel/LeftPanelViewModel.js";
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import { RoomViewModel } from "./room/RoomViewModel.js";
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import { RoomInfoViewModel } from "./rightpanel/RoomInfoViewModel.js";
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import {UnknownRoomViewModel} from "./room/UnknownRoomViewModel.js";
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import {InviteViewModel} from "./room/InviteViewModel.js";
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import {LightboxViewModel} from "./room/LightboxViewModel.js";
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import {SessionStatusViewModel} from "./SessionStatusViewModel.js";
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import {RoomGridViewModel} from "./RoomGridViewModel.js";
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import {SettingsViewModel} from "./settings/SettingsViewModel.js";
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import {ViewModel} from "../ViewModel.js";
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import {RoomViewModelObservable} from "./RoomViewModelObservable.js";
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export class SessionViewModel extends ViewModel {
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constructor(options) {
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super(options);
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const {sessionContainer} = options;
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this._sessionContainer = this.track(sessionContainer);
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this._sessionStatusViewModel = this.track(new SessionStatusViewModel(this.childOptions({
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sync: sessionContainer.sync,
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reconnector: sessionContainer.reconnector,
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session: sessionContainer.session,
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})));
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this._leftPanelViewModel = this.track(new LeftPanelViewModel(this.childOptions({
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invites: this._sessionContainer.session.invites,
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rooms: this._sessionContainer.session.rooms
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})));
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this._settingsViewModel = null;
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this._roomViewModelObservable = null;
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this._gridViewModel = null;
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this._setupNavigation();
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}
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_setupNavigation() {
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const gridRooms = this.navigation.observe("rooms");
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// this gives us a set of room ids in the grid
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this.track(gridRooms.subscribe(roomIds => {
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this._updateGrid(roomIds);
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}));
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if (gridRooms.get()) {
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this._updateGrid(gridRooms.get());
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}
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const currentRoomId = this.navigation.observe("room");
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// this gives us the active room
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this.track(currentRoomId.subscribe(roomId => {
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if (!this._gridViewModel) {
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this._updateRoom(roomId);
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}
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}));
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if (!this._gridViewModel) {
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this._updateRoom(currentRoomId.get());
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}
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const settings = this.navigation.observe("settings");
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this.track(settings.subscribe(settingsOpen => {
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this._updateSettings(settingsOpen);
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}));
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this._updateSettings(settings.get());
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const lightbox = this.navigation.observe("lightbox");
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this.track(lightbox.subscribe(eventId => {
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this._updateLightbox(eventId);
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}));
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this._updateLightbox(lightbox.get());
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const details = this.navigation.observe("details");
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this.track(details.subscribe(() => this._toggleRoomInformationPanel()));
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}
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get id() {
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return this._sessionContainer.sessionId;
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}
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start() {
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this._sessionStatusViewModel.start();
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}
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get activeMiddleViewModel() {
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return this._roomViewModelObservable?.get() || this._gridViewModel || this._settingsViewModel;
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}
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get roomGridViewModel() {
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return this._gridViewModel;
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}
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get leftPanelViewModel() {
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return this._leftPanelViewModel;
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}
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get sessionStatusViewModel() {
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return this._sessionStatusViewModel;
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}
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get settingsViewModel() {
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return this._settingsViewModel;
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}
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get currentRoomViewModel() {
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return this._roomViewModelObservable?.get();
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}
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get roomInfoViewModel() {
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return this._roomInfoViewModel;
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}
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_updateGrid(roomIds) {
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const changed = !(this._gridViewModel && roomIds);
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const currentRoomId = this.navigation.path.get("room");
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if (roomIds) {
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if (!this._gridViewModel) {
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this._gridViewModel = this.track(new RoomGridViewModel(this.childOptions({
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width: 3,
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height: 2,
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createRoomViewModelObservable: roomId => new RoomViewModelObservable(this, roomId),
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})));
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// try to transfer the current room view model, so we don't have to reload the timeline
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this._roomViewModelObservable?.unsubscribeAll();
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if (this._gridViewModel.initializeRoomIdsAndTransferVM(roomIds, this._roomViewModelObservable)) {
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this._roomViewModelObservable = this.untrack(this._roomViewModelObservable);
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} else if (this._roomViewModelObservable) {
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this._roomViewModelObservable = this.disposeTracked(this._roomViewModelObservable);
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}
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} else {
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this._gridViewModel.setRoomIds(roomIds);
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}
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} else if (this._gridViewModel && !roomIds) {
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// closing grid, try to show focused room in grid
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if (currentRoomId) {
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const vmo = this._gridViewModel.releaseRoomViewModel(currentRoomId.value);
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if (vmo) {
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this._roomViewModelObservable = this.track(vmo);
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this._roomViewModelObservable.subscribe(() => {
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this.emitChange("activeMiddleViewModel");
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});
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}
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}
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this._gridViewModel = this.disposeTracked(this._gridViewModel);
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}
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if (changed) {
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this.emitChange("activeMiddleViewModel");
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}
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}
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_createRoomViewModel(roomId) {
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const room = this._sessionContainer.session.rooms.get(roomId);
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if (room) {
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const roomVM = new RoomViewModel(this.childOptions({room}));
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roomVM.load();
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return roomVM;
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}
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return null;
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}
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_createUnknownRoomViewModel(roomIdOrAlias) {
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return new UnknownRoomViewModel(this.childOptions({
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roomIdOrAlias,
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session: this._sessionContainer.session,
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}));
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}
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async _createArchivedRoomViewModel(roomId) {
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const room = await this._sessionContainer.session.loadArchivedRoom(roomId);
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if (room) {
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const roomVM = new RoomViewModel(this.childOptions({room}));
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roomVM.load();
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return roomVM;
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}
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return null;
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}
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_createInviteViewModel(roomId) {
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const invite = this._sessionContainer.session.invites.get(roomId);
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if (invite) {
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return new InviteViewModel(this.childOptions({
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invite,
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mediaRepository: this._sessionContainer.session.mediaRepository,
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}));
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}
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return null;
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}
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_updateRoom(roomId) {
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// opening a room and already open?
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if (this._roomViewModelObservable?.id === roomId) {
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return;
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}
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// close if needed
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if (this._roomViewModelObservable) {
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this._roomViewModelObservable = this.disposeTracked(this._roomViewModelObservable);
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}
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if (!roomId) {
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// if clearing the activeMiddleViewModel rather than changing to a different one,
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// emit so the view picks it up and show the placeholder
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this.emitChange("activeMiddleViewModel");
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return;
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}
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const vmo = new RoomViewModelObservable(this, roomId);
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this._roomViewModelObservable = this.track(vmo);
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// subscription is unsubscribed in RoomViewModelObservable.dispose, and thus handled by track
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this._roomViewModelObservable.subscribe(() => {
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this.emitChange("activeMiddleViewModel");
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});
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vmo.initialize();
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}
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_updateSettings(settingsOpen) {
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if (this._settingsViewModel) {
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this._settingsViewModel = this.disposeTracked(this._settingsViewModel);
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}
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if (settingsOpen) {
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this._settingsViewModel = this.track(new SettingsViewModel(this.childOptions({
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session: this._sessionContainer.session,
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})));
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this._settingsViewModel.load();
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}
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this.emitChange("activeMiddleViewModel");
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}
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_updateLightbox(eventId) {
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if (this._lightboxViewModel) {
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this._lightboxViewModel = this.disposeTracked(this._lightboxViewModel);
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}
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if (eventId) {
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const roomId = this.navigation.path.get("room").value;
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const room = this._sessionContainer.session.rooms.get(roomId);
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this._lightboxViewModel = this.track(new LightboxViewModel(this.childOptions({eventId, room})));
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}
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this.emitChange("lightboxViewModel");
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}
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get lightboxViewModel() {
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return this._lightboxViewModel;
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}
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_toggleRoomInformationPanel() {
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const roomId = this.navigation.path.get("room").value;
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const room = this._sessionContainer.session.rooms.get(roomId);
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const enable = !!this.navigation.path.get("details");
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if (!room) {
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return;
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}
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this._roomInfoViewModel = enable ?
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this.track(new RoomInfoViewModel(this.childOptions({ room }))) :
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this.disposeTracked(this._roomInfoViewModel);
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this.emitChange("roomInfoViewModel");
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}
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}
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