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da79581744
Don't flash "Missed call" when accepting a call
170 lines
5.4 KiB
TypeScript
170 lines
5.4 KiB
TypeScript
/*
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Copyright 2021 Šimon Brandner <simon.bra.ag@gmail.com>
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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 { EventType } from "matrix-js-sdk/src/@types/event";
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import { MatrixEvent } from "matrix-js-sdk/src/models/event";
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import { CallEvent, CallState, CallType, MatrixCall } from "matrix-js-sdk/src/webrtc/call";
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import CallHandler, { CallHandlerEvent } from '../../CallHandler';
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import { EventEmitter } from 'events';
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import { MatrixClientPeg } from "../../MatrixClientPeg";
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import defaultDispatcher from "../../dispatcher/dispatcher";
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export enum CallEventGrouperEvent {
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StateChanged = "state_changed",
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SilencedChanged = "silenced_changed",
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}
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const CONNECTING_STATES = [
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CallState.Connecting,
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CallState.WaitLocalMedia,
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CallState.CreateOffer,
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CallState.CreateAnswer,
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];
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const SUPPORTED_STATES = [
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CallState.Connected,
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CallState.Ringing,
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];
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export enum CustomCallState {
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Missed = "missed",
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}
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export default class CallEventGrouper extends EventEmitter {
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private events: Set<MatrixEvent> = new Set<MatrixEvent>();
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private call: MatrixCall;
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public state: CallState | CustomCallState;
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constructor() {
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super();
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CallHandler.sharedInstance().addListener(CallHandlerEvent.CallsChanged, this.setCall);
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CallHandler.sharedInstance().addListener(CallHandlerEvent.SilencedCallsChanged, this.onSilencedCallsChanged);
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}
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private get invite(): MatrixEvent {
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return [...this.events].find((event) => event.getType() === EventType.CallInvite);
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}
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private get hangup(): MatrixEvent {
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return [...this.events].find((event) => event.getType() === EventType.CallHangup);
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}
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private get reject(): MatrixEvent {
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return [...this.events].find((event) => event.getType() === EventType.CallReject);
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}
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private get selectAnswer(): MatrixEvent {
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return [...this.events].find((event) => event.getType() === EventType.CallSelectAnswer);
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}
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public get isVoice(): boolean {
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const invite = this.invite;
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if (!invite) return;
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// FIXME: Find a better way to determine this from the event?
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if (invite.getContent()?.offer?.sdp?.indexOf('m=video') !== -1) return false;
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return true;
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}
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public get hangupReason(): string | null {
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return this.hangup?.getContent()?.reason;
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}
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public get rejectParty(): string {
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return this.reject?.getSender();
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}
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public get gotRejected(): boolean {
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return Boolean(this.reject);
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}
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public get duration(): Date {
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if (!this.hangup || !this.selectAnswer) return;
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return new Date(this.hangup.getDate().getTime() - this.selectAnswer.getDate().getTime());
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}
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/**
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* Returns true if there are only events from the other side - we missed the call
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*/
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private get callWasMissed(): boolean {
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return ![...this.events].some((event) => event.sender?.userId === MatrixClientPeg.get().getUserId());
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}
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private get callId(): string {
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return [...this.events][0].getContent().call_id;
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}
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private onSilencedCallsChanged = () => {
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const newState = CallHandler.sharedInstance().isCallSilenced(this.callId);
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this.emit(CallEventGrouperEvent.SilencedChanged, newState);
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};
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public answerCall = () => {
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this.call?.answer();
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};
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public rejectCall = () => {
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this.call?.reject();
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};
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public callBack = () => {
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defaultDispatcher.dispatch({
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action: 'place_call',
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type: this.isVoice ? CallType.Voice : CallType.Video,
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room_id: [...this.events][0]?.getRoomId(),
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});
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};
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public toggleSilenced = () => {
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const silenced = CallHandler.sharedInstance().isCallSilenced(this.callId);
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silenced ?
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CallHandler.sharedInstance().unSilenceCall(this.callId) :
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CallHandler.sharedInstance().silenceCall(this.callId);
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};
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private setCallListeners() {
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if (!this.call) return;
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this.call.addListener(CallEvent.State, this.setState);
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}
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private setState = () => {
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if (CONNECTING_STATES.includes(this.call?.state)) {
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this.state = CallState.Connecting;
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} else if (SUPPORTED_STATES.includes(this.call?.state)) {
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this.state = this.call.state;
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} else {
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if (this.callWasMissed) this.state = CustomCallState.Missed;
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else if (this.reject) this.state = CallState.Ended;
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else if (this.hangup) this.state = CallState.Ended;
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else if (this.invite && this.call) this.state = CallState.Connecting;
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}
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this.emit(CallEventGrouperEvent.StateChanged, this.state);
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};
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private setCall = () => {
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if (this.call) return;
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this.call = CallHandler.sharedInstance().getCallById(this.callId);
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this.setCallListeners();
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this.setState();
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};
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public add(event: MatrixEvent) {
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this.events.add(event);
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this.setCall();
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}
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}
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