454 lines
16 KiB
TypeScript
454 lines
16 KiB
TypeScript
/*
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Copyright 2017 Vector Creations Ltd
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Copyright 2017, 2018 New Vector Ltd
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Copyright 2019 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 React from "react";
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import { Store } from 'flux/utils';
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import { MatrixError } from "matrix-js-sdk/src/http-api";
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import dis from '../dispatcher/dispatcher';
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import { MatrixClientPeg } from '../MatrixClientPeg';
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import * as sdk from '../index';
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import Modal from '../Modal';
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import { _t } from '../languageHandler';
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import { getCachedRoomIDForAlias, storeRoomAliasInCache } from '../RoomAliasCache';
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import { ActionPayload } from "../dispatcher/payloads";
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import { Action } from "../dispatcher/actions";
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import { retry } from "../utils/promise";
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import CountlyAnalytics from "../CountlyAnalytics";
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const NUM_JOIN_RETRY = 5;
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const INITIAL_STATE = {
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// Whether we're joining the currently viewed room (see isJoining())
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joining: false,
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// Any error that has occurred during joining
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joinError: null,
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// The room ID of the room currently being viewed
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roomId: null,
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// The event to scroll to when the room is first viewed
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initialEventId: null,
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initialEventPixelOffset: null,
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// Whether to highlight the initial event
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isInitialEventHighlighted: false,
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// The room alias of the room (or null if not originally specified in view_room)
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roomAlias: null,
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// Whether the current room is loading
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roomLoading: false,
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// Any error that has occurred during loading
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roomLoadError: null,
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forwardingEvent: null,
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quotingEvent: null,
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replyingToEvent: null,
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shouldPeek: false,
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viaServers: [],
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wasContextSwitch: false,
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};
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/**
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* A class for storing application state for RoomView. This is the RoomView's interface
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* with a subset of the js-sdk.
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* ```
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*/
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class RoomViewStore extends Store<ActionPayload> {
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private state = INITIAL_STATE; // initialize state
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constructor() {
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super(dis);
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}
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setState(newState: Partial<typeof INITIAL_STATE>) {
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// If values haven't changed, there's nothing to do.
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// This only tries a shallow comparison, so unchanged objects will slip
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// through, but that's probably okay for now.
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let stateChanged = false;
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for (const key of Object.keys(newState)) {
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if (this.state[key] !== newState[key]) {
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stateChanged = true;
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break;
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}
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}
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if (!stateChanged) {
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return;
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}
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this.state = Object.assign(this.state, newState);
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this.__emitChange();
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}
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__onDispatch(payload) {
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switch (payload.action) {
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// view_room:
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// - room_alias: '#somealias:matrix.org'
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// - room_id: '!roomid123:matrix.org'
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// - event_id: '$213456782:matrix.org'
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// - event_offset: 100
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// - highlighted: true
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case 'view_room':
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this.viewRoom(payload);
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break;
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// for these events blank out the roomId as we are no longer in the RoomView
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case 'view_create_group':
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case 'view_welcome_page':
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case 'view_home_page':
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case 'view_my_groups':
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case 'view_group':
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this.setState({
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roomId: null,
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roomAlias: null,
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viaServers: [],
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wasContextSwitch: false,
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});
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break;
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case 'view_room_error':
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this.viewRoomError(payload);
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break;
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case 'will_join':
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this.setState({
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joining: true,
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});
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break;
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case 'cancel_join':
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this.setState({
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joining: false,
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});
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break;
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// join_room:
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// - opts: options for joinRoom
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case Action.JoinRoom:
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this.joinRoom(payload);
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break;
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case Action.JoinRoomError:
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this.joinRoomError(payload);
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break;
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case Action.JoinRoomReady:
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this.setState({ shouldPeek: false });
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break;
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case 'on_client_not_viable':
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case 'on_logged_out':
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this.reset();
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break;
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case 'forward_event':
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this.setState({
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forwardingEvent: payload.event,
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});
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break;
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case 'reply_to_event':
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// If currently viewed room does not match the room in which we wish to reply then change rooms
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// this can happen when performing a search across all rooms
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if (payload.event && payload.event.getRoomId() !== this.state.roomId) {
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dis.dispatch({
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action: 'view_room',
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room_id: payload.event.getRoomId(),
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replyingToEvent: payload.event,
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});
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} else {
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this.setState({
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replyingToEvent: payload.event,
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});
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}
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break;
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case 'open_room_settings': {
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const RoomSettingsDialog = sdk.getComponent("dialogs.RoomSettingsDialog");
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Modal.createTrackedDialog('Room settings', '', RoomSettingsDialog, {
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roomId: payload.room_id || this.state.roomId,
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}, /*className=*/null, /*isPriority=*/false, /*isStatic=*/true);
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break;
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}
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}
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}
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private async viewRoom(payload: ActionPayload) {
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if (payload.room_id) {
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const newState = {
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roomId: payload.room_id,
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roomAlias: payload.room_alias,
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initialEventId: payload.event_id,
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isInitialEventHighlighted: payload.highlighted,
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forwardingEvent: null,
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roomLoading: false,
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roomLoadError: null,
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// should peek by default
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shouldPeek: payload.should_peek === undefined ? true : payload.should_peek,
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// have we sent a join request for this room and are waiting for a response?
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joining: payload.joining || false,
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// Reset replyingToEvent because we don't want cross-room because bad UX
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replyingToEvent: null,
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// pull the user out of Room Settings
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isEditingSettings: false,
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viaServers: payload.via_servers,
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wasContextSwitch: payload.context_switch,
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};
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// Allow being given an event to be replied to when switching rooms but sanity check its for this room
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if (payload.replyingToEvent && payload.replyingToEvent.getRoomId() === payload.room_id) {
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newState.replyingToEvent = payload.replyingToEvent;
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}
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if (this.state.forwardingEvent) {
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dis.dispatch({
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action: 'send_event',
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room_id: newState.roomId,
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event: this.state.forwardingEvent,
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});
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}
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this.setState(newState);
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if (payload.auto_join) {
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dis.dispatch({
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...payload,
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action: Action.JoinRoom,
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roomId: payload.room_id,
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});
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}
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} else if (payload.room_alias) {
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// Try the room alias to room ID navigation cache first to avoid
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// blocking room navigation on the homeserver.
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let roomId = getCachedRoomIDForAlias(payload.room_alias);
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if (!roomId) {
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// Room alias cache miss, so let's ask the homeserver. Resolve the alias
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// and then do a second dispatch with the room ID acquired.
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this.setState({
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roomId: null,
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initialEventId: null,
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initialEventPixelOffset: null,
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isInitialEventHighlighted: null,
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roomAlias: payload.room_alias,
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roomLoading: true,
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roomLoadError: null,
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viaServers: payload.via_servers,
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wasContextSwitch: payload.context_switch,
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});
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try {
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const result = await MatrixClientPeg.get().getRoomIdForAlias(payload.room_alias);
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storeRoomAliasInCache(payload.room_alias, result.room_id);
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roomId = result.room_id;
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} catch (err) {
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console.error("RVS failed to get room id for alias: ", err);
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dis.dispatch({
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action: 'view_room_error',
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room_id: null,
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room_alias: payload.room_alias,
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err,
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});
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return;
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}
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}
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dis.dispatch({
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action: 'view_room',
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room_id: roomId,
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event_id: payload.event_id,
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highlighted: payload.highlighted,
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room_alias: payload.room_alias,
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auto_join: payload.auto_join,
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oob_data: payload.oob_data,
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viaServers: payload.via_servers,
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wasContextSwitch: payload.context_switch,
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});
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}
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}
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private viewRoomError(payload: ActionPayload) {
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this.setState({
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roomId: payload.room_id,
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roomAlias: payload.room_alias,
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roomLoading: false,
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roomLoadError: payload.err,
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});
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}
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private async joinRoom(payload: ActionPayload) {
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const startTime = CountlyAnalytics.getTimestamp();
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this.setState({
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joining: true,
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});
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const cli = MatrixClientPeg.get();
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const address = this.state.roomAlias || this.state.roomId;
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const viaServers = this.state.viaServers || [];
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try {
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await retry<void, MatrixError>(() => cli.joinRoom(address, {
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viaServers,
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...payload.opts,
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}), NUM_JOIN_RETRY, (err) => {
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// if we received a Gateway timeout then retry
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return err.httpStatus === 504;
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});
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CountlyAnalytics.instance.trackRoomJoin(startTime, this.state.roomId, payload._type);
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// We do *not* clear the 'joining' flag because the Room object and/or our 'joined' member event may not
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// have come down the sync stream yet, and that's the point at which we'd consider the user joined to the
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// room.
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dis.dispatch({
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action: Action.JoinRoomReady,
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roomId: this.state.roomId,
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});
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} catch (err) {
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dis.dispatch({
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action: Action.JoinRoomError,
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roomId: this.state.roomId,
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err: err,
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});
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}
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}
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private getInvitingUserId(roomId: string): string {
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const cli = MatrixClientPeg.get();
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const room = cli.getRoom(roomId);
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if (room && room.getMyMembership() === "invite") {
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const myMember = room.getMember(cli.getUserId());
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const inviteEvent = myMember ? myMember.events.member : null;
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return inviteEvent && inviteEvent.getSender();
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}
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}
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private joinRoomError(payload: ActionPayload) {
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this.setState({
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joining: false,
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joinError: payload.err,
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});
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const err = payload.err;
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let msg = err.message ? err.message : JSON.stringify(err);
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console.log("Failed to join room:", msg);
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if (err.name === "ConnectionError") {
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msg = _t("There was an error joining the room");
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} else if (err.errcode === 'M_INCOMPATIBLE_ROOM_VERSION') {
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msg = <div>
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{_t("Sorry, your homeserver is too old to participate in this room.")}<br />
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{_t("Please contact your homeserver administrator.")}
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</div>;
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} else if (err.httpStatus === 404) {
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const invitingUserId = this.getInvitingUserId(this.state.roomId);
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// only provide a better error message for invites
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if (invitingUserId) {
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// if the inviting user is on the same HS, there can only be one cause: they left.
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if (invitingUserId.endsWith(`:${MatrixClientPeg.get().getDomain()}`)) {
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msg = _t("The person who invited you already left the room.");
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} else {
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msg = _t("The person who invited you already left the room, or their server is offline.");
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}
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}
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}
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const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
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Modal.createTrackedDialog('Failed to join room', '', ErrorDialog, {
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title: _t("Failed to join room"),
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description: msg,
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});
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}
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public reset() {
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this.state = Object.assign({}, INITIAL_STATE);
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}
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// The room ID of the room currently being viewed
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public getRoomId() {
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return this.state.roomId;
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}
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// The event to scroll to when the room is first viewed
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public getInitialEventId() {
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return this.state.initialEventId;
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}
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// Whether to highlight the initial event
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public isInitialEventHighlighted() {
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return this.state.isInitialEventHighlighted;
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}
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// The room alias of the room (or null if not originally specified in view_room)
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public getRoomAlias() {
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return this.state.roomAlias;
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}
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// Whether the current room is loading (true whilst resolving an alias)
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public isRoomLoading() {
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return this.state.roomLoading;
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}
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// Any error that has occurred during loading
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public getRoomLoadError() {
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return this.state.roomLoadError;
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}
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// True if we're expecting the user to be joined to the room currently being
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// viewed. Note that this is left true after the join request has finished,
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// since we should still consider a join to be in progress until the room
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// & member events come down the sync.
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//
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// This flag remains true after the room has been sucessfully joined,
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// (this store doesn't listen for the appropriate member events)
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// so you should always observe the joined state from the member event
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// if a room object is present.
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// ie. The correct logic is:
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// if (room) {
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// if (myMember.membership == 'joined') {
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// // user is joined to the room
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// } else {
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// // Not joined
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// }
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// } else {
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// if (RoomViewStore.isJoining()) {
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// // show spinner
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// } else {
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// // show join prompt
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// }
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// }
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public isJoining() {
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return this.state.joining;
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}
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// Any error that has occurred during joining
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public getJoinError() {
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return this.state.joinError;
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}
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// The mxEvent if one is about to be forwarded
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public getForwardingEvent() {
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return this.state.forwardingEvent;
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}
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// The mxEvent if one is currently being replied to/quoted
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public getQuotingEvent() {
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return this.state.replyingToEvent;
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}
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public shouldPeek() {
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return this.state.shouldPeek;
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}
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public getWasContextSwitch() {
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return this.state.wasContextSwitch;
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}
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}
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let singletonRoomViewStore = null;
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if (!singletonRoomViewStore) {
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singletonRoomViewStore = new RoomViewStore();
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}
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export default singletonRoomViewStore;
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