479 lines
16 KiB
JavaScript
479 lines
16 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 {TimelineViewModel} from "./timeline/TimelineViewModel.js";
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import {ComposerViewModel} from "./ComposerViewModel.js"
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import {avatarInitials, getIdentifierColorNumber, getAvatarHttpUrl} from "../../avatar";
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import {ViewModel} from "../../ViewModel";
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import {imageToInfo} from "../common.js";
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// TODO: remove fallback so default isn't included in bundle for SDK users that have their custom tileClassForEntry
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// this is a breaking SDK change though to make this option mandatory
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import {tileClassForEntry as defaultTileClassForEntry} from "./timeline/tiles/index";
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import {RoomStatus} from "../../../matrix/room/common";
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export class RoomViewModel extends ViewModel {
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constructor(options) {
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super(options);
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const {room, tileClassForEntry} = options;
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this._room = room;
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this._timelineVM = null;
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this._tileClassForEntry = tileClassForEntry ?? defaultTileClassForEntry;
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this._tileOptions = undefined;
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this._onRoomChange = this._onRoomChange.bind(this);
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this._timelineError = null;
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this._sendError = null;
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this._composerVM = null;
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if (room.isArchived) {
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this._composerVM = this.track(new ArchivedViewModel(this.childOptions({archivedRoom: room})));
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} else {
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this._recreateComposerOnPowerLevelChange();
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}
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this._clearUnreadTimout = null;
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this._closeUrl = this.urlCreator.urlUntilSegment("session");
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}
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async load() {
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this._room.on("change", this._onRoomChange);
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try {
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const timeline = await this._room.openTimeline();
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this._tileOptions = this.childOptions({
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roomVM: this,
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timeline,
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tileClassForEntry: this._tileClassForEntry,
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});
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this._timelineVM = this.track(new TimelineViewModel(this.childOptions({
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tileOptions: this._tileOptions,
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timeline,
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})));
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this.emitChange("timelineViewModel");
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} catch (err) {
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console.error(`room.openTimeline(): ${err.message}:\n${err.stack}`);
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this._timelineError = err;
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this.emitChange("error");
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}
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this._clearUnreadAfterDelay();
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}
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async _recreateComposerOnPowerLevelChange() {
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const powerLevelObservable = await this._room.observePowerLevels();
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const canSendMessage = () => powerLevelObservable.get().canSendType("m.room.message");
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let oldCanSendMessage = canSendMessage();
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const recreateComposer = newCanSendMessage => {
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this._composerVM = this.disposeTracked(this._composerVM);
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if (newCanSendMessage) {
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this._composerVM = this.track(new ComposerViewModel(this));
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}
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else {
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this._composerVM = this.track(new LowerPowerLevelViewModel(this.childOptions()));
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}
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this.emitChange("powerLevelObservable")
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};
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this.track(powerLevelObservable.subscribe(() => {
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const newCanSendMessage = canSendMessage();
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if (oldCanSendMessage !== newCanSendMessage) {
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recreateComposer(newCanSendMessage);
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oldCanSendMessage = newCanSendMessage;
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}
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}));
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recreateComposer(oldCanSendMessage);
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}
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async _clearUnreadAfterDelay() {
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if (this._room.isArchived || this._clearUnreadTimout) {
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return;
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}
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this._clearUnreadTimout = this.clock.createTimeout(2000);
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try {
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await this._clearUnreadTimout.elapsed();
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await this._room.clearUnread();
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this._clearUnreadTimout = null;
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} catch (err) {
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if (err.name !== "AbortError") {
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throw err;
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}
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}
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}
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focus() {
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this._clearUnreadAfterDelay();
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}
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dispose() {
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super.dispose();
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this._room.off("change", this._onRoomChange);
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if (this._room.isArchived) {
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this._room.release();
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}
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if (this._clearUnreadTimout) {
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this._clearUnreadTimout.abort();
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this._clearUnreadTimout = null;
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}
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}
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// room doesn't tell us yet which fields changed,
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// so emit all fields originating from summary
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_onRoomChange() {
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// propagate the update to the child view models so it's bindings can update based on room changes
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this._composerVM.emitChange();
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this.emitChange();
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}
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get kind() { return "room"; }
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get closeUrl() { return this._closeUrl; }
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get name() { return this._room.name || this.i18n`Empty Room`; }
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get id() { return this._room.id; }
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get timelineViewModel() { return this._timelineVM; }
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get isEncrypted() { return this._room.isEncrypted; }
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get error() {
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if (this._timelineError) {
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return `Something went wrong loading the timeline: ${this._timelineError.message}`;
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}
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if (this._sendError) {
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return `Something went wrong sending your message: ${this._sendError.message}`;
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}
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return "";
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}
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get avatarLetter() {
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return avatarInitials(this.name);
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}
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get avatarColorNumber() {
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return getIdentifierColorNumber(this._room.avatarColorId)
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}
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avatarUrl(size) {
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return getAvatarHttpUrl(this._room.avatarUrl, size, this.platform, this._room.mediaRepository);
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}
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get avatarTitle() {
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return this.name;
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}
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get canLeave() {
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return this._room.isJoined;
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}
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leaveRoom() {
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this._room.leave();
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}
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get canForget() {
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return this._room.isArchived;
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}
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forgetRoom() {
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this._room.forget();
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}
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get canRejoin() {
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return this._room.isArchived;
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}
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rejoinRoom() {
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this._room.join();
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}
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_createTile(entry) {
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if (this._tileOptions) {
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const Tile = this._tileOptions.tileClassForEntry(entry);
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if (Tile) {
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return new Tile(entry, this._tileOptions);
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}
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}
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}
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async _processCommandJoin(roomName) {
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try {
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const roomId = await this._options.client.session.joinRoom(roomName);
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const roomStatusObserver = await this._options.client.session.observeRoomStatus(roomId);
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await roomStatusObserver.waitFor(status => status === RoomStatus.Joined);
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this.navigation.push("room", roomId);
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} catch (err) {
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let exc;
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if ((err.statusCode ?? err.status) === 400) {
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exc = new Error(`/join : '${roomName}' was not legal room ID or room alias`);
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} else if ((err.statusCode ?? err.status) === 404 || (err.statusCode ?? err.status) === 502 || err.message == "Internal Server Error") {
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exc = new Error(`/join : room '${roomName}' not found`);
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} else if ((err.statusCode ?? err.status) === 403) {
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exc = new Error(`/join : you're not invited to join '${roomName}'`);
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} else {
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exc = err;
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}
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this._sendError = exc;
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this._timelineError = null;
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this.emitChange("error");
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}
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}
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async _processCommand (message) {
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let msgtype;
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const [commandName, ...args] = message.substring(1).split(" ");
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switch (commandName) {
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case "me":
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message = args.join(" ");
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msgtype = "m.emote";
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break;
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case "join":
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if (args.length === 1) {
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const roomName = args[0];
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await this._processCommandJoin(roomName);
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} else {
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this._sendError = new Error("join syntax: /join <room-id>");
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this._timelineError = null;
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this.emitChange("error");
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}
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break;
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case "shrug":
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message = "¯\\_(ツ)_/¯ " + args.join(" ");
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msgtype = "m.text";
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break;
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case "tableflip":
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message = "(╯°□°）╯︵ ┻━┻ " + args.join(" ");
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msgtype = "m.text";
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break;
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case "unflip":
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message = "┬──┬ ノ( ゜-゜ノ) " + args.join(" ");
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msgtype = "m.text";
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break;
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case "lenny":
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message = "( ͡° ͜ʖ ͡°) " + args.join(" ");
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msgtype = "m.text";
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break;
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default:
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this._sendError = new Error(`no command name "${commandName}". To send the message instead of executing, please type "/${message}"`);
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this._timelineError = null;
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this.emitChange("error");
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message = undefined;
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}
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return {type: msgtype, message: message};
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}
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async _sendMessage(message, replyingTo) {
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if (!this._room.isArchived && message) {
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let messinfo = {type : "m.text", message : message};
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if (message.startsWith("//")) {
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messinfo.message = message.substring(1).trim();
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} else if (message.startsWith("/")) {
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messinfo = await this._processCommand(message);
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}
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try {
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const msgtype = messinfo.type;
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const message = messinfo.message;
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if (msgtype && message) {
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if (replyingTo) {
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await replyingTo.reply(msgtype, message);
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} else {
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await this._room.sendEvent("m.room.message", {msgtype, body: message});
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}
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}
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} catch (err) {
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console.error(`room.sendMessage(): ${err.message}:\n${err.stack}`);
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this._sendError = err;
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this._timelineError = null;
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this.emitChange("error");
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return false;
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}
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return true;
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}
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return false;
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}
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async _pickAndSendFile() {
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try {
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const file = await this.platform.openFile();
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if (!file) {
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return;
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}
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return this._sendFile(file);
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} catch (err) {
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console.error(err);
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}
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}
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async _sendFile(file) {
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const content = {
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body: file.name,
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msgtype: "m.file"
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};
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await this._room.sendEvent("m.room.message", content, {
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"url": this._room.createAttachment(file.blob, file.name)
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});
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}
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async _pickAndSendVideo() {
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try {
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if (!this.platform.hasReadPixelPermission()) {
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alert("Please allow canvas image data access, so we can scale your images down.");
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return;
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}
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const file = await this.platform.openFile("video/*");
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if (!file) {
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return;
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}
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if (!file.blob.mimeType.startsWith("video/")) {
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return this._sendFile(file);
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}
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let video;
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try {
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video = await this.platform.loadVideo(file.blob);
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} catch (err) {
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// TODO: extract platform dependent code from view model
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if (err instanceof window.MediaError && err.code === 4) {
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throw new Error(`this browser does not support videos of type ${file?.blob.mimeType}.`);
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} else {
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throw err;
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}
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}
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const content = {
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body: file.name,
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msgtype: "m.video",
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info: videoToInfo(video)
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};
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const attachments = {
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"url": this._room.createAttachment(video.blob, file.name),
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};
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const limit = await this.platform.settingsStorage.getInt("sentImageSizeLimit");
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const maxDimension = limit || Math.min(video.maxDimension, 800);
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const thumbnail = await video.scale(maxDimension);
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content.info.thumbnail_info = imageToInfo(thumbnail);
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attachments["info.thumbnail_url"] =
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this._room.createAttachment(thumbnail.blob, file.name);
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await this._room.sendEvent("m.room.message", content, attachments);
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} catch (err) {
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this._sendError = err;
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this.emitChange("error");
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console.error(err.stack);
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}
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}
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async _pickAndSendPicture() {
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try {
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if (!this.platform.hasReadPixelPermission()) {
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alert("Please allow canvas image data access, so we can scale your images down.");
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return;
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}
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const file = await this.platform.openFile("image/*");
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if (!file) {
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return;
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}
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if (!file.blob.mimeType.startsWith("image/")) {
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return this._sendFile(file);
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}
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let image = await this.platform.loadImage(file.blob);
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const limit = await this.platform.settingsStorage.getInt("sentImageSizeLimit");
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if (limit && image.maxDimension > limit) {
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const scaledImage = await image.scale(limit);
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image.dispose();
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image = scaledImage;
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}
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const content = {
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body: file.name,
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msgtype: "m.image",
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info: imageToInfo(image)
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};
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const attachments = {
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"url": this._room.createAttachment(image.blob, file.name),
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};
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if (image.maxDimension > 600) {
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const thumbnail = await image.scale(400);
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content.info.thumbnail_info = imageToInfo(thumbnail);
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attachments["info.thumbnail_url"] =
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this._room.createAttachment(thumbnail.blob, file.name);
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}
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await this._room.sendEvent("m.room.message", content, attachments);
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} catch (err) {
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this._sendError = err;
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this.emitChange("error");
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console.error(err.stack);
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}
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}
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get room() {
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return this._room;
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}
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get composerViewModel() {
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return this._composerVM;
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}
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openDetailsPanel() {
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let path = this.navigation.path.until("room");
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path = path.with(this.navigation.segment("right-panel", true));
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path = path.with(this.navigation.segment("details", true));
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this.navigation.applyPath(path);
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}
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startReply(entry) {
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if (!this._room.isArchived) {
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this._composerVM.setReplyingTo(entry);
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}
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}
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dismissError() {
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this._sendError = null;
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this.emitChange("error");
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}
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}
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function videoToInfo(video) {
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const info = imageToInfo(video);
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info.duration = video.duration;
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return info;
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}
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class ArchivedViewModel extends ViewModel {
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constructor(options) {
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super(options);
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this._archivedRoom = options.archivedRoom;
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}
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get description() {
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if (this._archivedRoom.isKicked) {
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if (this._archivedRoom.kickReason) {
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return this.i18n`You were kicked from the room by ${this._archivedRoom.kickedBy.name} because: ${this._archivedRoom.kickReason}`;
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} else {
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return this.i18n`You were kicked from the room by ${this._archivedRoom.kickedBy.name}.`;
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}
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} else if (this._archivedRoom.isBanned) {
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if (this._archivedRoom.kickReason) {
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return this.i18n`You were banned from the room by ${this._archivedRoom.kickedBy.name} because: ${this._archivedRoom.kickReason}`;
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} else {
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return this.i18n`You were banned from the room by ${this._archivedRoom.kickedBy.name}.`;
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}
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} else {
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return this.i18n`You left this room`;
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}
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}
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get kind() {
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return "disabled";
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}
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}
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class LowerPowerLevelViewModel extends ViewModel {
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get description() {
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return this.i18n`You do not have the powerlevel necessary to send messages`;
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}
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get kind() {
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return "disabled";
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}
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}
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