Another rewrite

Signed-off-by: Šimon Brandner <simon.bra.ag@gmail.com>

src/components/structures/CallEventGrouper.ts

@@ -0,0 +1,90 @@
+/*
+Copyright 2021 Šimon Brandner <simon.bra.ag@gmail.com>
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+
+import { EventType } from "matrix-js-sdk/src/@types/event";
+import { MatrixEvent } from "matrix-js-sdk/src/models/event";
+import { CallEvent, CallState, MatrixCall } from "matrix-js-sdk/src/webrtc/call";
+import CallHandler from '../../CallHandler';
+import { EventEmitter } from 'events';
+
+export enum CallEventGrouperState {
+    Incoming = "incoming",
+    Ended = "ended",
+}
+
+export enum CallEventGrouperEvent {
+    StateChanged = "state_changed",
+}
+
+export default class CallEventGrouper extends EventEmitter {
+    invite: MatrixEvent;
+    call: MatrixCall;
+    state: CallEventGrouperState;
+
+    public answerCall() {
+        this.call?.answer();
+    }
+
+    public rejectCall() {
+        this.call?.reject();
+    }
+
+    public callBack() {
+
+    }
+
+    public isVoice(): boolean {
+        const invite = this.invite;
+
+        // FIXME: Find a better way to determine this from the event?
+        let isVoice = true;
+        if (
+            invite.getContent().offer && invite.getContent().offer.sdp &&
+            invite.getContent().offer.sdp.indexOf('m=video') !== -1
+        ) {
+            isVoice = false;
+        }
+
+        return isVoice;
+    }
+
+    public getState() {
+        return this.state;
+    }
+
+    private setCallListeners() {
+        this.call.addListener(CallEvent.State, this.setCallState);
+    }
+
+    private setCallState = () => {
+        if (this.call?.state === CallState.Ringing) {
+            this.state = CallEventGrouperState.Incoming;
+        }
+        this.emit(CallEventGrouperEvent.StateChanged, this.state);
+    }
+
+    public add(event: MatrixEvent) {
+        if (event.getType() === EventType.CallInvite) this.invite = event;
+
+        if (this.call) return;
+        const callId = event.getContent().call_id;
+        this.call = CallHandler.sharedInstance().getCallById(callId);
+        if (!this.call) return;
+        this.setCallListeners();
+        this.setCallState();
+    }
+}

src/components/structures/CallEventGrouper.tsx

@@ -1,56 +0,0 @@
-/*
-Copyright 2021 Šimon Brandner <simon.bra.ag@gmail.com>
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-
-import { EventType } from "matrix-js-sdk/src/@types/event";
-import { MatrixEvent } from "matrix-js-sdk/src/models/event";
-
-export interface TimelineCallState {
-    callId: string;
-    isVoice: boolean;
-}
-
-export default class CallEventGrouper {
-    invite: MatrixEvent;
-    callId: string;
-
-    private isVoice(): boolean {
-        const invite = this.invite;
-
-        // FIXME: Find a better way to determine this from the event?
-        let isVoice = true;
-        if (
-            invite.getContent().offer && invite.getContent().offer.sdp &&
-            invite.getContent().offer.sdp.indexOf('m=video') !== -1
-        ) {
-            isVoice = false;
-        }
-
-        return isVoice;
-    }
-
-    public add(event: MatrixEvent) {
-        if (event.getType() === EventType.CallInvite) this.invite = event;
-        this.callId = event.getContent().call_id;
-    }
-
-    public getState(): TimelineCallState {
-        return {
-            isVoice: this.isVoice(),
-            callId: this.callId,
-        }
-    }
-}

src/components/structures/MessagePanel.js

@@ -662,7 +662,7 @@ export default class MessagePanel extends React.Component {
         // it's successful: we received it.
         isLastSuccessful = isLastSuccessful && mxEv.getSender() === MatrixClientPeg.get().getUserId();
 
-        const callState = this._callEventGroupers.get(mxEv.getContent().call_id)?.getState();
+        const callEventGrouper = this._callEventGroupers.get(mxEv.getContent().call_id);
 
         // use txnId as key if available so that we don't remount during sending
         ret.push(
@@ -696,7 +696,7 @@ export default class MessagePanel extends React.Component {
                         layout={this.props.layout}
                         enableFlair={this.props.enableFlair}
                         showReadReceipts={this.props.showReadReceipts}
-                        callState={callState}
+                        callEventGrouper={callEventGrouper}
                     />
                 </TileErrorBoundary>
             </li>,

src/components/views/messages/CallEvent.tsx

@@ -19,15 +19,39 @@ import React from 'react';
 import { MatrixEvent } from "matrix-js-sdk/src/models/event";
 import { _t } from '../../../languageHandler';
 import MemberAvatar from '../avatars/MemberAvatar';
-import { TimelineCallState } from '../../structures/CallEventGrouper';
+import CallEventGrouper, { CallEventGrouperEvent, CallEventGrouperState } from '../../structures/CallEventGrouper';
+import FormButton from '../elements/FormButton';
 
 interface IProps {
     mxEvent: MatrixEvent;
-    timelineCallState: TimelineCallState;
+    callEventGrouper: CallEventGrouper;
-}
 }
 
-export default class CallEvent extends React.Component<IProps> {
+interface IState {
+    callState: CallEventGrouperState;
+}
+
+export default class CallEvent extends React.Component<IProps, IState> {
+    constructor(props: IProps) {
+        super(props);
+
+        this.state = {
+            callState: this.props.callEventGrouper.getState(),
+        }
+    }
+
+    componentDidMount() {
+        this.props.callEventGrouper.addListener(CallEventGrouperEvent.StateChanged, this.onStateChanged);
+    }
+
+    componentWillUnmount() {
+        this.props.callEventGrouper.removeListener(CallEventGrouperEvent.StateChanged, this.onStateChanged);
+    }
+
+    private onStateChanged = (newState: CallEventGrouperState) => {
+        this.setState({callState: newState});
+    }
+
     render() {
         const event = this.props.mxEvent;
         const sender = event.sender ? event.sender.name : event.getSender();
@@ -47,7 +71,7 @@ export default class CallEvent extends React.Component<IProps> {
                             { sender }
                         </div>
                         <div className="mx_CallEvent_type">
-                            { this.props.timelineCallState.isVoice ? _t("Voice call") : _t("Video call") }
+                            { this.props.callEventGrouper.isVoice() ? _t("Voice call") : _t("Video call") }
                         </div>
                     </div>
                 </div>

src/components/views/rooms/EventTile.tsx

@@ -46,7 +46,7 @@ import { EditorStateTransfer } from "../../../utils/EditorStateTransfer";
 import { RoomPermalinkCreator } from '../../../utils/permalinks/Permalinks';
 import {StaticNotificationState} from "../../../stores/notifications/StaticNotificationState";
 import NotificationBadge from "./NotificationBadge";
-import { TimelineCallState } from "../../structures/CallEventGrouper";
+import CallEventGrouper from "../../structures/CallEventGrouper";
 
 const eventTileTypes = {
     [EventType.RoomMessage]: 'messages.MessageEvent',
@@ -277,7 +277,7 @@ interface IProps {
     permalinkCreator?: RoomPermalinkCreator;
 
     // CallEventGrouper for this event
-    callState?: TimelineCallState;
+    callEventGrouper?: CallEventGrouper;
 }
 
 interface IState {
@@ -1143,7 +1143,7 @@ export default class EventTile extends React.Component<IProps, IState> {
                                 showUrlPreview={this.props.showUrlPreview}
                                 permalinkCreator={this.props.permalinkCreator}
                                 onHeightChanged={this.props.onHeightChanged}
-                                callState={this.props.callState}
+                                callEventGrouper={this.props.callEventGrouper}
                             />
                             { keyRequestInfo }
                             { reactionsRow }