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RoomView.tsx
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/*
Copyright 2024 New Vector Ltd.
Copyright 2019-2023 The Matrix.org Foundation C.I.C.
Copyright 2018, 2019 New Vector Ltd
Copyright 2017 Vector Creations Ltd
Copyright 2015, 2016 OpenMarket Ltd
SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
Please see LICENSE files in the repository root for full details.
*/
import React, { ChangeEvent, createRef, ReactElement, ReactNode, RefObject, useContext } from "react";
import classNames from "classnames";
import {
IRecommendedVersion,
NotificationCountType,
Room,
RoomEvent,
RoomState,
RoomStateEvent,
MatrixEvent,
MatrixEventEvent,
EventTimeline,
IRoomTimelineData,
EventType,
HistoryVisibility,
JoinRule,
ClientEvent,
MatrixError,
ISearchResults,
THREAD_RELATION_TYPE,
} from "matrix-js-sdk/src/matrix";
import { KnownMembership } from "matrix-js-sdk/src/types";
import { logger } from "matrix-js-sdk/src/logger";
import { CallState, MatrixCall } from "matrix-js-sdk/src/webrtc/call";
import { debounce, throttle } from "lodash";
import { CryptoEvent } from "matrix-js-sdk/src/crypto";
import { ViewRoomOpts } from "@matrix-org/react-sdk-module-api/lib/lifecycles/RoomViewLifecycle";
import shouldHideEvent from "../../shouldHideEvent";
import { _t } from "../../languageHandler";
import * as TimezoneHandler from "../../TimezoneHandler";
import { RoomPermalinkCreator } from "../../utils/permalinks/Permalinks";
import ResizeNotifier from "../../utils/ResizeNotifier";
import ContentMessages from "../../ContentMessages";
import Modal from "../../Modal";
import { LegacyCallHandlerEvent } from "../../LegacyCallHandler";
import dis, { defaultDispatcher } from "../../dispatcher/dispatcher";
import * as Rooms from "../../Rooms";
import MainSplit from "./MainSplit";
import RightPanel from "./RightPanel";
import RoomScrollStateStore, { ScrollState } from "../../stores/RoomScrollStateStore";
import WidgetEchoStore from "../../stores/WidgetEchoStore";
import SettingsStore from "../../settings/SettingsStore";
import { Layout } from "../../settings/enums/Layout";
import AccessibleButton, { ButtonEvent } from "../views/elements/AccessibleButton";
import RoomContext, { TimelineRenderingType } from "../../contexts/RoomContext";
import { E2EStatus, shieldStatusForRoom } from "../../utils/ShieldUtils";
import { Action } from "../../dispatcher/actions";
import { IMatrixClientCreds } from "../../MatrixClientPeg";
import ScrollPanel from "./ScrollPanel";
import TimelinePanel from "./TimelinePanel";
import ErrorBoundary from "../views/elements/ErrorBoundary";
import RoomPreviewBar from "../views/rooms/RoomPreviewBar";
import RoomPreviewCard from "../views/rooms/RoomPreviewCard";
import RoomUpgradeWarningBar from "../views/rooms/RoomUpgradeWarningBar";
import AuxPanel from "../views/rooms/AuxPanel";
import LegacyRoomHeader from "../views/rooms/LegacyRoomHeader";
import RoomHeader from "../views/rooms/RoomHeader";
import { IOOBData, IThreepidInvite } from "../../stores/ThreepidInviteStore";
import EffectsOverlay from "../views/elements/EffectsOverlay";
import { containsEmoji } from "../../effects/utils";
import { CHAT_EFFECTS } from "../../effects";
import { CallView } from "../views/voip/CallView";
import { UPDATE_EVENT } from "../../stores/AsyncStore";
import Notifier from "../../Notifier";
import { showToast as showNotificationsToast } from "../../toasts/DesktopNotificationsToast";
import { Container, WidgetLayoutStore } from "../../stores/widgets/WidgetLayoutStore";
import { getKeyBindingsManager } from "../../KeyBindingsManager";
import { objectHasDiff } from "../../utils/objects";
import SpaceRoomView from "./SpaceRoomView";
import { IOpts } from "../../createRoom";
import EditorStateTransfer from "../../utils/EditorStateTransfer";
import ErrorDialog from "../views/dialogs/ErrorDialog";
import UploadBar from "./UploadBar";
import RoomStatusBar from "./RoomStatusBar";
import MessageComposer from "../views/rooms/MessageComposer";
import JumpToBottomButton from "../views/rooms/JumpToBottomButton";
import TopUnreadMessagesBar from "../views/rooms/TopUnreadMessagesBar";
import { fetchInitialEvent } from "../../utils/EventUtils";
import { ComposerInsertPayload, ComposerType } from "../../dispatcher/payloads/ComposerInsertPayload";
import AppsDrawer from "../views/rooms/AppsDrawer";
import { RightPanelPhases } from "../../stores/right-panel/RightPanelStorePhases";
import { ActionPayload } from "../../dispatcher/payloads";
import { KeyBindingAction } from "../../accessibility/KeyboardShortcuts";
import { ViewRoomPayload } from "../../dispatcher/payloads/ViewRoomPayload";
import { JoinRoomPayload } from "../../dispatcher/payloads/JoinRoomPayload";
import { DoAfterSyncPreparedPayload } from "../../dispatcher/payloads/DoAfterSyncPreparedPayload";
import FileDropTarget from "./FileDropTarget";
import Measured from "../views/elements/Measured";
import { FocusComposerPayload } from "../../dispatcher/payloads/FocusComposerPayload";
import { LocalRoom, LocalRoomState } from "../../models/LocalRoom";
import { createRoomFromLocalRoom } from "../../utils/direct-messages";
import NewRoomIntro from "../views/rooms/NewRoomIntro";
import EncryptionEvent from "../views/messages/EncryptionEvent";
import { StaticNotificationState } from "../../stores/notifications/StaticNotificationState";
import { isLocalRoom } from "../../utils/localRoom/isLocalRoom";
import { ShowThreadPayload } from "../../dispatcher/payloads/ShowThreadPayload";
import { RoomStatusBarUnsentMessages } from "./RoomStatusBarUnsentMessages";
import { LargeLoader } from "./LargeLoader";
import { isVideoRoom } from "../../utils/video-rooms";
import { SDKContext } from "../../contexts/SDKContext";
import { CallStore, CallStoreEvent } from "../../stores/CallStore";
import { Call } from "../../models/Call";
import { RoomSearchView } from "./RoomSearchView";
import eventSearch, { SearchInfo, SearchScope } from "../../Searching";
import VoipUserMapper from "../../VoipUserMapper";
import { isCallEvent } from "./LegacyCallEventGrouper";
import { WidgetType } from "../../widgets/WidgetType";
import WidgetUtils from "../../utils/WidgetUtils";
import { shouldEncryptRoomWithSingle3rdPartyInvite } from "../../utils/room/shouldEncryptRoomWithSingle3rdPartyInvite";
import { WaitingForThirdPartyRoomView } from "./WaitingForThirdPartyRoomView";
import { isNotUndefined } from "../../Typeguards";
import { CancelAskToJoinPayload } from "../../dispatcher/payloads/CancelAskToJoinPayload";
import { SubmitAskToJoinPayload } from "../../dispatcher/payloads/SubmitAskToJoinPayload";
import RightPanelStore from "../../stores/right-panel/RightPanelStore";
import { onView3pidInvite } from "../../stores/right-panel/action-handlers";
import RoomSearchAuxPanel from "../views/rooms/RoomSearchAuxPanel";
import { PinnedMessageBanner } from "../views/rooms/PinnedMessageBanner";
const DEBUG = false;
const PREVENT_MULTIPLE_JITSI_WITHIN = 30_000;
let debuglog = function (msg: string): void {};
const BROWSER_SUPPORTS_SANDBOX = "sandbox" in document.createElement("iframe");
/* istanbul ignore next */
if (DEBUG) {
// using bind means that we get to keep useful line numbers in the console
debuglog = logger.log.bind(console);
}
interface IRoomProps {
threepidInvite?: IThreepidInvite;
oobData?: IOOBData;
resizeNotifier: ResizeNotifier;
justCreatedOpts?: IOpts;
forceTimeline?: boolean; // should we force access to the timeline, overriding (for eg) spaces
// Called with the credentials of a registered user (if they were a ROU that transitioned to PWLU)
onRegistered?(credentials: IMatrixClientCreds): void;
}
// This defines the content of the mainSplit.
// If the mainSplit does not contain the Timeline, the chat is shown in the right panel.
export enum MainSplitContentType {
Timeline,
MaximisedWidget,
Call,
}
export interface IRoomState {
room?: Room;
virtualRoom?: Room;
roomId?: string;
roomAlias?: string;
roomLoading: boolean;
peekLoading: boolean;
shouldPeek: boolean;
// used to trigger a rerender in TimelinePanel once the members are loaded,
// so RR are rendered again (now with the members available), ...
membersLoaded: boolean;
// The event to be scrolled to initially
initialEventId?: string;
// The offset in pixels from the event with which to scroll vertically
initialEventPixelOffset?: number;
// Whether to highlight the event scrolled to
isInitialEventHighlighted?: boolean;
// Whether to scroll the event into view
initialEventScrollIntoView?: boolean;
replyToEvent?: MatrixEvent;
numUnreadMessages: number;
/**
* The state of an ongoing search if there is one.
*/
search?: SearchInfo;
callState?: CallState;
activeCall: Call | null;
canPeek: boolean;
canSelfRedact: boolean;
showApps: boolean;
isPeeking: boolean;
showRightPanel: boolean;
/**
* Whether the right panel shown is either of ThreadPanel or ThreadView.
* Always false when `showRightPanel` is false.
*/
threadRightPanel: boolean;
// error object, as from the matrix client/server API
// If we failed to load information about the room,
// store the error here.
roomLoadError?: MatrixError;
// Have we sent a request to join the room that we're waiting to complete?
joining: boolean;
// this is true if we are fully scrolled-down, and are looking at
// the end of the live timeline. It has the effect of hiding the
// 'scroll to bottom' knob, among a couple of other things.
atEndOfLiveTimeline?: boolean;
showTopUnreadMessagesBar: boolean;
statusBarVisible: boolean;
// We load this later by asking the js-sdk to suggest a version for us.
// This object is the result of Room#getRecommendedVersion()
upgradeRecommendation?: IRecommendedVersion;
canReact: boolean;
canSendMessages: boolean;
tombstone?: MatrixEvent;
resizing: boolean;
layout: Layout;
lowBandwidth: boolean;
alwaysShowTimestamps: boolean;
showTwelveHourTimestamps: boolean;
userTimezone: string | undefined;
readMarkerInViewThresholdMs: number;
readMarkerOutOfViewThresholdMs: number;
showHiddenEvents: boolean;
showReadReceipts: boolean;
showRedactions: boolean;
showJoinLeaves: boolean;
showAvatarChanges: boolean;
showDisplaynameChanges: boolean;
matrixClientIsReady: boolean;
showUrlPreview?: boolean;
e2eStatus?: E2EStatus;
rejecting?: boolean;
hasPinnedWidgets?: boolean;
mainSplitContentType?: MainSplitContentType;
// whether or not a spaces context switch brought us here,
// if it did we don't want the room to be marked as read as soon as it is loaded.
wasContextSwitch?: boolean;
editState?: EditorStateTransfer;
timelineRenderingType: TimelineRenderingType;
liveTimeline?: EventTimeline;
narrow: boolean;
msc3946ProcessDynamicPredecessor: boolean;
canAskToJoin: boolean;
promptAskToJoin: boolean;
viewRoomOpts: ViewRoomOpts;
}
interface LocalRoomViewProps {
localRoom: LocalRoom;
resizeNotifier: ResizeNotifier;
permalinkCreator: RoomPermalinkCreator;
roomView: RefObject<HTMLElement>;
onFileDrop: (dataTransfer: DataTransfer) => Promise<void>;
}
/**
* Local room view. Uses only the bits necessary to display a local room view like room header or composer.
*
* @param {LocalRoomViewProps} props Room view props
* @returns {ReactElement}
*/
function LocalRoomView(props: LocalRoomViewProps): ReactElement {
const context = useContext(RoomContext);
const room = context.room as LocalRoom;
const encryptionEvent = props.localRoom.currentState.getStateEvents(EventType.RoomEncryption)[0];
let encryptionTile: ReactNode;
if (encryptionEvent) {
encryptionTile = <EncryptionEvent mxEvent={encryptionEvent} />;
}
const onRetryClicked = (): void => {
room.state = LocalRoomState.NEW;
defaultDispatcher.dispatch({
action: "local_room_event",
roomId: room.roomId,
});
};
let statusBar: ReactElement | null = null;
let composer: ReactElement | null = null;
if (room.isError) {
const buttons = (
<AccessibleButton onClick={onRetryClicked} className="mx_RoomStatusBar_unsentRetry">
{_t("action|retry")}
</AccessibleButton>
);
statusBar = (
<RoomStatusBarUnsentMessages
title={_t("room|status_bar|some_messages_not_sent")}
notificationState={StaticNotificationState.RED_EXCLAMATION}
buttons={buttons}
/>
);
} else {
composer = (
<MessageComposer
room={props.localRoom}
resizeNotifier={props.resizeNotifier}
permalinkCreator={props.permalinkCreator}
/>
);
}
return (
<div className="mx_RoomView mx_RoomView--local">
<ErrorBoundary>
{SettingsStore.getValue("feature_new_room_decoration_ui") ? (
<RoomHeader room={room} />
) : (
<LegacyRoomHeader
room={context.room}
searchInfo={undefined}
inRoom={true}
onSearchClick={null}
onInviteClick={null}
onForgetClick={null}
e2eStatus={room.encrypted ? E2EStatus.Normal : undefined}
onAppsClick={null}
appsShown={false}
excludedRightPanelPhaseButtons={[]}
showButtons={false}
enableRoomOptionsMenu={false}
viewingCall={false}
activeCall={null}
/>
)}
<main className="mx_RoomView_body" ref={props.roomView}>
<FileDropTarget parent={props.roomView.current} onFileDrop={props.onFileDrop} />
<div className="mx_RoomView_timeline">
<ScrollPanel className="mx_RoomView_messagePanel" resizeNotifier={props.resizeNotifier}>
{encryptionTile}
<NewRoomIntro />
</ScrollPanel>
</div>
{statusBar}
{composer}
</main>
</ErrorBoundary>
</div>
);
}
interface ILocalRoomCreateLoaderProps {
localRoom: LocalRoom;
names: string;
resizeNotifier: ResizeNotifier;
}
/**
* Room create loader view displaying a message and a spinner.
*
* @param {ILocalRoomCreateLoaderProps} props Room view props
* @return {ReactElement}
*/
function LocalRoomCreateLoader(props: ILocalRoomCreateLoaderProps): ReactElement {
const text = _t("room|creating_room_text", { names: props.names });
return (
<div className="mx_RoomView mx_RoomView--local">
<ErrorBoundary>
{SettingsStore.getValue("feature_new_room_decoration_ui") ? (
<RoomHeader room={props.localRoom} />
) : (
<LegacyRoomHeader
room={props.localRoom}
searchInfo={undefined}
inRoom={true}
onSearchClick={null}
onInviteClick={null}
onForgetClick={null}
e2eStatus={props.localRoom.encrypted ? E2EStatus.Normal : undefined}
onAppsClick={null}
appsShown={false}
excludedRightPanelPhaseButtons={[]}
showButtons={false}
enableRoomOptionsMenu={false}
viewingCall={false}
activeCall={null}
/>
)}
<div className="mx_RoomView_body">
<LargeLoader text={text} />
</div>
</ErrorBoundary>
</div>
);
}
export class RoomView extends React.Component<IRoomProps, IRoomState> {
// We cache the latest computed e2eStatus per room to show as soon as we switch rooms otherwise defaulting to
// unencrypted causes a flicker which can yield confusion/concern in a larger room.
private static e2eStatusCache = new Map<string, E2EStatus>();
private readonly askToJoinEnabled: boolean;
private readonly dispatcherRef: string;
private settingWatchers: string[];
private unmounted = false;
private permalinkCreators: Record<string, RoomPermalinkCreator> = {};
private roomView = createRef<HTMLDivElement>();
private searchResultsPanel = createRef<ScrollPanel>();
private messagePanel: TimelinePanel | null = null;
private roomViewBody = createRef<HTMLDivElement>();
public static contextType = SDKContext;
public declare context: React.ContextType<typeof SDKContext>;
public constructor(props: IRoomProps, context: React.ContextType<typeof SDKContext>) {
super(props, context);
this.askToJoinEnabled = SettingsStore.getValue("feature_ask_to_join");
if (!context.client) {
throw new Error("Unable to create RoomView without MatrixClient");
}
const llMembers = context.client.hasLazyLoadMembersEnabled();
this.state = {
roomId: undefined,
roomLoading: true,
peekLoading: false,
shouldPeek: true,
membersLoaded: !llMembers,
numUnreadMessages: 0,
callState: undefined,
activeCall: null,
canPeek: false,
canSelfRedact: false,
showApps: false,
isPeeking: false,
showRightPanel: false,
threadRightPanel: false,
joining: false,
showTopUnreadMessagesBar: false,
statusBarVisible: false,
canReact: false,
canSendMessages: false,
resizing: false,
layout: SettingsStore.getValue("layout"),
lowBandwidth: SettingsStore.getValue("lowBandwidth"),
alwaysShowTimestamps: SettingsStore.getValue("alwaysShowTimestamps"),
showTwelveHourTimestamps: SettingsStore.getValue("showTwelveHourTimestamps"),
userTimezone: TimezoneHandler.getUserTimezone(),
readMarkerInViewThresholdMs: SettingsStore.getValue("readMarkerInViewThresholdMs"),
readMarkerOutOfViewThresholdMs: SettingsStore.getValue("readMarkerOutOfViewThresholdMs"),
showHiddenEvents: SettingsStore.getValue("showHiddenEventsInTimeline"),
showReadReceipts: true,
showRedactions: true,
showJoinLeaves: true,
showAvatarChanges: true,
showDisplaynameChanges: true,
matrixClientIsReady: context.client?.isInitialSyncComplete(),
mainSplitContentType: MainSplitContentType.Timeline,
timelineRenderingType: TimelineRenderingType.Room,
liveTimeline: undefined,
narrow: false,
msc3946ProcessDynamicPredecessor: SettingsStore.getValue("feature_dynamic_room_predecessors"),
canAskToJoin: this.askToJoinEnabled,
promptAskToJoin: false,
viewRoomOpts: { buttons: [] },
};
this.dispatcherRef = dis.register(this.onAction);
context.client.on(ClientEvent.Room, this.onRoom);
context.client.on(RoomEvent.Timeline, this.onRoomTimeline);
context.client.on(RoomEvent.TimelineReset, this.onRoomTimelineReset);
context.client.on(RoomEvent.Name, this.onRoomName);
context.client.on(RoomStateEvent.Events, this.onRoomStateEvents);
context.client.on(RoomStateEvent.Update, this.onRoomStateUpdate);
context.client.on(RoomEvent.MyMembership, this.onMyMembership);
context.client.on(CryptoEvent.KeyBackupStatus, this.onKeyBackupStatus);
context.client.on(CryptoEvent.DeviceVerificationChanged, this.onDeviceVerificationChanged);
context.client.on(CryptoEvent.UserTrustStatusChanged, this.onUserVerificationChanged);
context.client.on(CryptoEvent.KeysChanged, this.onCrossSigningKeysChanged);
context.client.on(MatrixEventEvent.Decrypted, this.onEventDecrypted);
// Start listening for RoomViewStore updates
context.roomViewStore.on(UPDATE_EVENT, this.onRoomViewStoreUpdate);
context.rightPanelStore.on(UPDATE_EVENT, this.onRightPanelStoreUpdate);
WidgetEchoStore.on(UPDATE_EVENT, this.onWidgetEchoStoreUpdate);
context.widgetStore.on(UPDATE_EVENT, this.onWidgetStoreUpdate);
CallStore.instance.on(CallStoreEvent.ConnectedCalls, this.onConnectedCalls);
this.props.resizeNotifier.on("isResizing", this.onIsResizing);
this.settingWatchers = [
SettingsStore.watchSetting("layout", null, (...[, , , value]) =>
this.setState({ layout: value as Layout }),
),
SettingsStore.watchSetting("lowBandwidth", null, (...[, , , value]) =>
this.setState({ lowBandwidth: value as boolean }),
),
SettingsStore.watchSetting("alwaysShowTimestamps", null, (...[, , , value]) =>
this.setState({ alwaysShowTimestamps: value as boolean }),
),
SettingsStore.watchSetting("showTwelveHourTimestamps", null, (...[, , , value]) =>
this.setState({ showTwelveHourTimestamps: value as boolean }),
),
SettingsStore.watchSetting(TimezoneHandler.USER_TIMEZONE_KEY, null, (...[, , , value]) =>
this.setState({ userTimezone: value as string }),
),
SettingsStore.watchSetting("readMarkerInViewThresholdMs", null, (...[, , , value]) =>
this.setState({ readMarkerInViewThresholdMs: value as number }),
),
SettingsStore.watchSetting("readMarkerOutOfViewThresholdMs", null, (...[, , , value]) =>
this.setState({ readMarkerOutOfViewThresholdMs: value as number }),
),
SettingsStore.watchSetting("showHiddenEventsInTimeline", null, (...[, , , value]) =>
this.setState({ showHiddenEvents: value as boolean }),
),
SettingsStore.watchSetting("urlPreviewsEnabled", null, this.onUrlPreviewsEnabledChange),
SettingsStore.watchSetting("urlPreviewsEnabled_e2ee", null, this.onUrlPreviewsEnabledChange),
SettingsStore.watchSetting("feature_dynamic_room_predecessors", null, (...[, , , value]) =>
this.setState({ msc3946ProcessDynamicPredecessor: value as boolean }),
),
];
}
private onIsResizing = (resizing: boolean): void => {
this.setState({ resizing });
};
private onWidgetStoreUpdate = (): void => {
if (!this.state.room) return;
this.checkWidgets(this.state.room);
this.doMaybeRemoveOwnJitsiWidget();
};
private onWidgetEchoStoreUpdate = (): void => {
if (!this.state.room) return;
this.checkWidgets(this.state.room);
};
private onWidgetLayoutChange = (): void => {
if (!this.state.room) return;
dis.dispatch({
action: "appsDrawer",
show: true,
});
if (this.context.widgetLayoutStore.hasMaximisedWidget(this.state.room)) {
// Show chat in right panel when a widget is maximised
this.context.rightPanelStore.setCard({ phase: RightPanelPhases.Timeline });
}
this.checkWidgets(this.state.room);
};
/**
* Removes the Jitsi widget from the current user if
* - Multiple Jitsi widgets have been added within {@link PREVENT_MULTIPLE_JITSI_WITHIN}
* - The last (server timestamp) of these widgets is from the current user
* This solves the issue if some people decide to start a conference and click the call button at the same time.
*/
private doMaybeRemoveOwnJitsiWidget(): void {
if (!this.state.roomId || !this.state.room || !this.context.client) return;
const apps = this.context.widgetStore.getApps(this.state.roomId);
const jitsiApps = apps.filter((app) => app.eventId && WidgetType.JITSI.matches(app.type));
// less than two Jitsi widgets → nothing to do
if (jitsiApps.length < 2) return;
const currentUserId = this.context.client.getSafeUserId();
const createdByCurrentUser = jitsiApps.find((apps) => apps.creatorUserId === currentUserId);
// no Jitsi widget from current user → nothing to do
if (!createdByCurrentUser) return;
const createdByCurrentUserEvent = this.state.room.findEventById(createdByCurrentUser.eventId!);
// widget event not found → nothing can be done
if (!createdByCurrentUserEvent) return;
const createdByCurrentUserTs = createdByCurrentUserEvent.getTs();
// widget timestamp is empty → nothing can be done
if (!createdByCurrentUserTs) return;
const lastCreatedByOtherTs = jitsiApps.reduce((maxByNow: number, app) => {
if (app.eventId === createdByCurrentUser.eventId) return maxByNow;
const appCreateTs = this.state.room!.findEventById(app.eventId!)?.getTs() || 0;
return Math.max(maxByNow, appCreateTs);
}, 0);
// last widget timestamp from other is empty → nothing can be done
if (!lastCreatedByOtherTs) return;
if (
createdByCurrentUserTs > lastCreatedByOtherTs &&
createdByCurrentUserTs - lastCreatedByOtherTs < PREVENT_MULTIPLE_JITSI_WITHIN
) {
// more than one Jitsi widget with the last one from the current user → remove it
WidgetUtils.setRoomWidget(this.context.client, this.state.roomId, createdByCurrentUser.id);
}
}
private checkWidgets = (room: Room): void => {
this.setState({
hasPinnedWidgets: this.context.widgetLayoutStore.hasPinnedWidgets(room),
mainSplitContentType: this.getMainSplitContentType(room),
showApps: this.shouldShowApps(room),
});
};
private getMainSplitContentType = (room: Room): MainSplitContentType => {
if (this.context.roomViewStore.isViewingCall() || isVideoRoom(room)) {
return MainSplitContentType.Call;
}
if (this.context.widgetLayoutStore.hasMaximisedWidget(room)) {
return MainSplitContentType.MaximisedWidget;
}
return MainSplitContentType.Timeline;
};
private onRoomViewStoreUpdate = async (initial?: boolean): Promise<void> => {
if (this.unmounted) {
return;
}
const roomLoadError = this.context.roomViewStore.getRoomLoadError() ?? undefined;
if (!initial && !roomLoadError && this.state.roomId !== this.context.roomViewStore.getRoomId()) {
// RoomView explicitly does not support changing what room
// is being viewed: instead it should just be re-mounted when
// switching rooms. Therefore, if the room ID changes, we
// ignore this. We either need to do this or add code to handle
// saving the scroll position (otherwise we end up saving the
// scroll position against the wrong room).
// Given that doing the setState here would cause a bunch of
// unnecessary work, we just ignore the change since we know
// that if the current room ID has changed from what we thought
// it was, it means we're about to be unmounted.
return;
}
const roomId = this.context.roomViewStore.getRoomId() ?? null;
const room = this.context.client?.getRoom(roomId ?? undefined) ?? undefined;
const newState: Partial<IRoomState> = {
roomId: roomId ?? undefined,
roomAlias: this.context.roomViewStore.getRoomAlias() ?? undefined,
roomLoading: this.context.roomViewStore.isRoomLoading(),
roomLoadError,
joining: this.context.roomViewStore.isJoining(),
replyToEvent: this.context.roomViewStore.getQuotingEvent() ?? undefined,
// we should only peek once we have a ready client
shouldPeek: this.state.matrixClientIsReady && this.context.roomViewStore.shouldPeek(),
showReadReceipts: SettingsStore.getValue("showReadReceipts", roomId),
showRedactions: SettingsStore.getValue("showRedactions", roomId),
showJoinLeaves: SettingsStore.getValue("showJoinLeaves", roomId),
showAvatarChanges: SettingsStore.getValue("showAvatarChanges", roomId),
showDisplaynameChanges: SettingsStore.getValue("showDisplaynameChanges", roomId),
wasContextSwitch: this.context.roomViewStore.getWasContextSwitch(),
mainSplitContentType: room ? this.getMainSplitContentType(room) : undefined,
initialEventId: undefined, // default to clearing this, will get set later in the method if needed
showRightPanel: roomId ? this.context.rightPanelStore.isOpenForRoom(roomId) : false,
threadRightPanel: roomId
? [RightPanelPhases.ThreadView, RightPanelPhases.ThreadPanel].includes(
this.context.rightPanelStore.currentCardForRoom(roomId).phase!,
)
: false,
activeCall: roomId ? CallStore.instance.getActiveCall(roomId) : null,
promptAskToJoin: this.context.roomViewStore.promptAskToJoin(),
viewRoomOpts: this.context.roomViewStore.getViewRoomOpts(),
};
if (
this.state.mainSplitContentType !== MainSplitContentType.Timeline &&
newState.mainSplitContentType === MainSplitContentType.Timeline &&
this.context.rightPanelStore.isOpen &&
this.context.rightPanelStore.currentCard.phase === RightPanelPhases.Timeline &&
this.context.rightPanelStore.roomPhaseHistory.some((card) => card.phase === RightPanelPhases.Timeline)
) {
// We're returning to the main timeline, so hide the right panel timeline
this.context.rightPanelStore.setCard({ phase: RightPanelPhases.RoomSummary });
this.context.rightPanelStore.togglePanel(this.state.roomId ?? null);
newState.showRightPanel = false;
}
const initialEventId = this.context.roomViewStore.getInitialEventId() ?? this.state.initialEventId;
if (initialEventId) {
let initialEvent = room?.findEventById(initialEventId);
// The event does not exist in the current sync data
// We need to fetch it to know whether to route this request
// to the main timeline or to a threaded one
// In the current state, if a thread does not exist in the sync data
// We will only display the event targeted by the `matrix.to` link
// and the root event.
// The rest will be lost for now, until the aggregation API on the server
// becomes available to fetch a whole thread
if (!initialEvent && this.context.client && roomId) {
initialEvent = (await fetchInitialEvent(this.context.client, roomId, initialEventId)) ?? undefined;
}
// If we have an initial event, we want to reset the event pixel offset to ensure it ends up visible
newState.initialEventPixelOffset = undefined;
const thread = initialEvent?.getThread();
// Handle the use case of a link to a thread message
// ie: #/room/roomId/eventId (eventId of a thread message)
if (thread?.rootEvent && !initialEvent?.isThreadRoot) {
dis.dispatch<ShowThreadPayload>({
action: Action.ShowThread,
rootEvent: thread.rootEvent,
initialEvent,
highlighted: this.context.roomViewStore.isInitialEventHighlighted(),
scroll_into_view: this.context.roomViewStore.initialEventScrollIntoView(),
});
} else {
newState.initialEventId = initialEventId;
newState.isInitialEventHighlighted = this.context.roomViewStore.isInitialEventHighlighted();
newState.initialEventScrollIntoView = this.context.roomViewStore.initialEventScrollIntoView();
}
}
// Add watchers for each of the settings we just looked up
this.settingWatchers = this.settingWatchers.concat([
SettingsStore.watchSetting("showReadReceipts", roomId, (...[, , , value]) =>
this.setState({ showReadReceipts: value as boolean }),
),
SettingsStore.watchSetting("showRedactions", roomId, (...[, , , value]) =>
this.setState({ showRedactions: value as boolean }),
),
SettingsStore.watchSetting("showJoinLeaves", roomId, (...[, , , value]) =>
this.setState({ showJoinLeaves: value as boolean }),
),
SettingsStore.watchSetting("showAvatarChanges", roomId, (...[, , , value]) =>
this.setState({ showAvatarChanges: value as boolean }),
),
SettingsStore.watchSetting("showDisplaynameChanges", roomId, (...[, , , value]) =>
this.setState({ showDisplaynameChanges: value as boolean }),
),
]);
if (!initial && this.state.shouldPeek && !newState.shouldPeek) {
// Stop peeking because we have joined this room now
this.context.client?.stopPeeking();
}
// Temporary logging to diagnose https://github.com/vector-im/element-web/issues/4307
logger.log(
"RVS update:",
newState.roomId,
newState.roomAlias,
"loading?",
newState.roomLoading,
"joining?",
newState.joining,
"initial?",
initial,
"shouldPeek?",
newState.shouldPeek,
);
// NB: This does assume that the roomID will not change for the lifetime of
// the RoomView instance
if (initial) {
newState.room = this.context.client!.getRoom(newState.roomId) || undefined;
if (newState.room) {
newState.showApps = this.shouldShowApps(newState.room);
this.onRoomLoaded(newState.room);
}
}
if (this.state.roomId === undefined && newState.roomId !== undefined) {
// Get the scroll state for the new room
// If an event ID wasn't specified, default to the one saved for this room
// in the scroll state store. Assume initialEventPixelOffset should be set.
if (!newState.initialEventId && newState.roomId) {
const roomScrollState = RoomScrollStateStore.getScrollState(newState.roomId);
if (roomScrollState) {
newState.initialEventId = roomScrollState.focussedEvent;
newState.initialEventPixelOffset = roomScrollState.pixelOffset;
}
}
}
// Clear the search results when clicking a search result (which changes the
// currently scrolled to event, this.state.initialEventId).
if (
this.state.timelineRenderingType === TimelineRenderingType.Search &&
this.state.initialEventId !== newState.initialEventId
) {
newState.timelineRenderingType = TimelineRenderingType.Room;
this.state.search?.abortController?.abort();
newState.search = undefined;
}
this.setState(newState as IRoomState);
// At this point, newState.roomId could be null (e.g. the alias might not
// have been resolved yet) so anything called here must handle this case.
// We pass the new state into this function for it to read: it needs to
// observe the new state but we don't want to put it in the setState
// callback because this would prevent the setStates from being batched,
// ie. cause it to render RoomView twice rather than the once that is necessary.
if (initial) {
this.setupRoom(newState.room, newState.roomId, !!newState.joining, !!newState.shouldPeek);
}
};
private onConnectedCalls = (): void => {
if (this.state.roomId === undefined) return;
const activeCall = CallStore.instance.getActiveCall(this.state.roomId);
if (activeCall === null) {
// We disconnected from the call, so stop viewing it
dis.dispatch<ViewRoomPayload>(
{
action: Action.ViewRoom,
room_id: this.state.roomId,
view_call: false,
metricsTrigger: undefined,
},
true,
); // Synchronous so that CallView disappears immediately
}
this.setState({ activeCall });
};
private getRoomId = (): string | undefined => {
// According to `onRoomViewStoreUpdate`, `state.roomId` can be null
// if we have a room alias we haven't resolved yet. To work around this,
// first we'll try the room object if it's there, and then fallback to
// the bare room ID. (We may want to update `state.roomId` after
// resolving aliases, so we could always trust it.)
return this.state.room?.roomId ?? this.state.roomId;
};
private getPermalinkCreatorForRoom(): RoomPermalinkCreator {
const { room, roomId } = this.state;
// If room is undefined, attempt to use the roomId to create and store a permalinkCreator.
// Throw an error if we can not find a roomId in state.
if (room === undefined) {
if (isNotUndefined(roomId)) {
const permalinkCreator = new RoomPermalinkCreator(null, roomId);
this.permalinkCreators[roomId] = permalinkCreator;
return permalinkCreator;
} else {
throw new Error("Cannot get a permalink creator without a roomId");
}
}
if (this.permalinkCreators[room.roomId]) return this.permalinkCreators[room.roomId];
this.permalinkCreators[room.roomId] = new RoomPermalinkCreator(room);
if (this.state.room && room.roomId === this.state.room.roomId) {
// We want to watch for changes in the creator for the primary room in the view, but
// don't need to do so for search results.
this.permalinkCreators[room.roomId].start();
} else {
this.permalinkCreators[room.roomId].load();
}
return this.permalinkCreators[room.roomId];
}
private stopAllPermalinkCreators(): void {
if (!this.permalinkCreators) return;
for (const roomId of Object.keys(this.permalinkCreators)) {
this.permalinkCreators[roomId].stop();
}
}
private setupRoom(room: Room | undefined, roomId: string | undefined, joining: boolean, shouldPeek: boolean): void {
// if this is an unknown room then we're in one of three states:
// - This is a room we can peek into (search engine) (we can /peek)
// - This is a room we can publicly join or were invited to. (we can /join)
// - This is a room we cannot join at all. (no action can help us)
// We can't try to /join because this may implicitly accept invites (!)
// We can /peek though. If it fails then we present the join UI. If it
// succeeds then great, show the preview (but we still may be able to /join!).
// Note that peeking works by room ID and room ID only, as opposed to joining
// which must be by alias or invite wherever possible (peeking currently does
// not work over federation).
// NB. We peek if we have never seen the room before (i.e. js-sdk does not know
// about it). We don't peek in the historical case where we were joined but are
// now not joined because the js-sdk peeking API will clobber our historical room,
// making it impossible to indicate a newly joined room.
if (!joining && roomId) {
if (!room && shouldPeek) {
logger.info(`Attempting to peek into room ${roomId}`);
this.setState({
peekLoading: true,
isPeeking: true, // this will change to false if peeking fails
});
this.context.client
?.peekInRoom(roomId)
.then((room) => {
if (this.unmounted) {
return;
}
this.setState({
room: room,
peekLoading: false,
canAskToJoin: this.askToJoinEnabled && room.getJoinRule() === JoinRule.Knock,
});
this.onRoomLoaded(room);
})
.catch((err) => {
if (this.unmounted) {
return;
}
// Stop peeking if anything went wrong
this.setState({
isPeeking: false,
});
// This won't necessarily be a MatrixError, but we duck-type
// here and say if it's got an 'errcode' key with the right value,
// it means we can't peek.
if (err.errcode === "M_GUEST_ACCESS_FORBIDDEN" || err.errcode === "M_FORBIDDEN") {
// This is fine: the room just isn't peekable (we assume).
this.setState({
peekLoading: false,
});
} else {
throw err;
}
});
} else if (room) {
// Stop peeking because we have joined this room previously
this.context.client?.stopPeeking();
this.setState({
isPeeking: false,
canAskToJoin: this.askToJoinEnabled && room.getJoinRule() === JoinRule.Knock,
});
}
}
}
private shouldShowApps(room: Room): boolean {
if (!BROWSER_SUPPORTS_SANDBOX || !room) return false;
// Check if user has previously chosen to hide the app drawer for this
// room. If so, do not show apps
const hideWidgetKey = room.roomId + "_hide_widget_drawer";
const hideWidgetDrawer = localStorage.getItem(hideWidgetKey);
// If unset show the Tray
// Otherwise (in case the user set hideWidgetDrawer by clicking the button) follow the parameter.
const isManuallyShown = hideWidgetDrawer ? hideWidgetDrawer === "false" : true;
const widgets = this.context.widgetLayoutStore.getContainerWidgets(room, Container.Top);
return isManuallyShown && widgets.length > 0;
}
public componentDidMount(): void {
this.onRoomViewStoreUpdate(true);
const call = this.getCallForRoom();
const callState = call?.state;
this.setState({
callState,
});
this.context.legacyCallHandler.on(LegacyCallHandlerEvent.CallState, this.onCallState);
window.addEventListener("beforeunload", this.onPageUnload);
}
public shouldComponentUpdate(nextProps: IRoomProps, nextState: IRoomState): boolean {
const hasPropsDiff = objectHasDiff(this.props, nextProps);
const { upgradeRecommendation, ...state } = this.state;
const { upgradeRecommendation: newUpgradeRecommendation, ...newState } = nextState;
const hasStateDiff =
newUpgradeRecommendation?.needsUpgrade !== upgradeRecommendation?.needsUpgrade ||
objectHasDiff(state, newState);
return hasPropsDiff || hasStateDiff;
}
public componentDidUpdate(): void {
// Note: We check the ref here with a flag because componentDidMount, despite
// documentation, does not define our messagePanel ref. It looks like our spinner
// in render() prevents the ref from being set on first mount, so we try and
// catch the messagePanel when it does mount. Because we only want the ref once,
// we use a boolean flag to avoid duplicate work.
if (this.messagePanel && this.state.atEndOfLiveTimeline === undefined) {
this.setState({
atEndOfLiveTimeline: this.messagePanel.isAtEndOfLiveTimeline(),
});
}
}