| /* |
| * Copyright (C) 2022 Savoir-faire Linux Inc. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU Affero General Public License as |
| * published by the Free Software Foundation; either version 3 of the |
| * License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU Affero General Public License for more details. |
| * |
| * You should have received a copy of the GNU Affero General Public |
| * License along with this program. If not, see |
| * <https://www.gnu.org/licenses/>. |
| */ |
| import { AccountTextMessage, WebSocketMessageType } from 'jami-web-common'; |
| import React, { createContext, useCallback, useContext, useEffect, useMemo, useState } from 'react'; |
| import { Navigate } from 'react-router-dom'; |
| |
| import { useUrlParams } from '../hooks/useUrlParams'; |
| import { CallRouteParams } from '../router'; |
| import { WithChildren } from '../utils/utils'; |
| import { useAuthContext } from './AuthProvider'; |
| import { ConversationContext } from './ConversationProvider'; |
| import { WebRTCContext } from './WebRTCProvider'; |
| import { WebSocketContext } from './WebSocketProvider'; |
| |
| export type CallRole = 'caller' | 'receiver'; |
| |
| export enum CallStatus { |
| Ringing, |
| Connecting, |
| InCall, |
| } |
| |
| export interface ICallContext { |
| mediaDevices: Record<MediaDeviceKind, MediaDeviceInfo[]>; |
| |
| localStream: MediaStream | undefined; |
| remoteStream: MediaStream | undefined; // TODO: should be an array of participants. find a way to map MediaStream id to contactid https://stackoverflow.com/a/68663155/6592293 |
| |
| isAudioOn: boolean; |
| setAudioStatus: (isOn: boolean) => void; |
| isVideoOn: boolean; |
| setVideoStatus: (isOn: boolean) => void; |
| callRole: CallRole; |
| callStatus: CallStatus; |
| |
| acceptCall: () => void; |
| } |
| |
| const defaultCallContext: ICallContext = { |
| mediaDevices: { |
| audioinput: [], |
| audiooutput: [], |
| videoinput: [], |
| }, |
| |
| localStream: undefined, |
| remoteStream: undefined, |
| |
| isAudioOn: false, |
| setAudioStatus: () => {}, |
| isVideoOn: false, |
| setVideoStatus: () => {}, |
| callRole: 'caller', |
| callStatus: CallStatus.Ringing, |
| |
| acceptCall: () => {}, |
| }; |
| |
| export const CallContext = createContext<ICallContext>(defaultCallContext); |
| |
| export default ({ children }: WithChildren) => { |
| const { |
| queryParams: { role: callRole }, |
| } = useUrlParams<CallRouteParams>(); |
| const { account } = useAuthContext(); |
| const webSocket = useContext(WebSocketContext); |
| const { webRTCConnection, remoteStreams, sendWebRTCOffer, isConnected } = useContext(WebRTCContext); |
| const { conversation } = useContext(ConversationContext); |
| |
| const [mediaDevices, setMediaDevices] = useState<Record<MediaDeviceKind, MediaDeviceInfo[]>>( |
| defaultCallContext.mediaDevices |
| ); |
| const [localStream, setLocalStream] = useState<MediaStream>(); |
| |
| const [isAudioOn, setIsAudioOn] = useState(false); |
| const [isVideoOn, setIsVideoOn] = useState(false); |
| const [callStatus, setCallStatus] = useState(CallStatus.Ringing); |
| |
| // TODO: This logic will have to change to support multiple people in a call |
| const contactUri = useMemo(() => conversation.getFirstMember().contact.getUri(), [conversation]); |
| |
| useEffect(() => { |
| // TODO: Wait until status is `InCall` before getting devices |
| navigator.mediaDevices.enumerateDevices().then((devices) => { |
| const newMediaDevices: Record<MediaDeviceKind, MediaDeviceInfo[]> = { |
| audioinput: [], |
| audiooutput: [], |
| videoinput: [], |
| }; |
| |
| for (const device of devices) { |
| newMediaDevices[device.kind].push(device); |
| } |
| |
| setMediaDevices(newMediaDevices); |
| }); |
| }, []); |
| |
| useEffect(() => { |
| // TODO: Only ask media permission once the call has been accepted |
| try { |
| // TODO: When toggling mute on/off, the camera flickers |
| // https://git.jami.net/savoirfairelinux/jami-web/-/issues/90 |
| navigator.mediaDevices |
| .getUserMedia({ |
| audio: true, // TODO: Set both to false by default |
| video: true, |
| }) |
| .then((stream) => { |
| for (const track of stream.getTracks()) { |
| // TODO: Set default from isVideoOn and isMicOn values |
| track.enabled = false; |
| } |
| setLocalStream(stream); |
| }); |
| } catch (e) { |
| // TODO: Better handle user denial |
| console.error('Could not get media devices:', e); |
| } |
| }, [setLocalStream]); |
| |
| useEffect(() => { |
| if (localStream && webRTCConnection) { |
| for (const track of localStream.getTracks()) { |
| webRTCConnection.addTrack(track, localStream); |
| } |
| } |
| }, [localStream, webRTCConnection]); |
| |
| const setAudioStatus = useCallback( |
| (isOn: boolean) => { |
| if (!localStream) { |
| return; |
| } |
| |
| for (const track of localStream.getAudioTracks()) { |
| track.enabled = isOn; |
| } |
| |
| setIsAudioOn(isOn); |
| }, |
| [localStream] |
| ); |
| |
| const setVideoStatus = useCallback( |
| (isOn: boolean) => { |
| if (!localStream) { |
| return; |
| } |
| |
| for (const track of localStream.getVideoTracks()) { |
| track.enabled = isOn; |
| } |
| |
| setIsVideoOn(isOn); |
| }, |
| [localStream] |
| ); |
| |
| useEffect(() => { |
| if (!webSocket || !webRTCConnection) { |
| return; |
| } |
| |
| if (callRole === 'caller' && callStatus === CallStatus.Ringing) { |
| const callAcceptListener = (data: AccountTextMessage<undefined>) => { |
| console.info('Received event on CallAccept', data); |
| setCallStatus(CallStatus.Connecting); |
| |
| webRTCConnection |
| .createOffer({ |
| offerToReceiveAudio: true, |
| offerToReceiveVideo: true, |
| }) |
| .then((offerSDP) => { |
| sendWebRTCOffer(offerSDP); |
| }); |
| }; |
| |
| webSocket.bind(WebSocketMessageType.CallAccept, callAcceptListener); |
| |
| return () => { |
| webSocket.unbind(WebSocketMessageType.CallAccept, callAcceptListener); |
| }; |
| } |
| }, [callRole, webSocket, webRTCConnection, sendWebRTCOffer, callStatus]); |
| |
| useEffect(() => { |
| if (callStatus === CallStatus.Connecting && isConnected) { |
| console.info('Changing call status to InCall'); |
| setCallStatus(CallStatus.InCall); |
| } |
| }, [isConnected, callStatus]); |
| |
| const acceptCall = useCallback(() => { |
| if (!webSocket) { |
| throw new Error('Could not accept call'); |
| } |
| |
| const callAccept = { |
| from: account.getId(), |
| to: contactUri, |
| message: undefined, |
| }; |
| |
| console.info('Sending CallAccept', callAccept); |
| webSocket.send(WebSocketMessageType.CallAccept, callAccept); |
| setCallStatus(CallStatus.Connecting); |
| }, [webSocket, account, contactUri]); |
| |
| if (!callRole) { |
| console.error('Call role not defined. Redirecting...'); |
| return <Navigate to={'/'} />; |
| } |
| |
| return ( |
| <CallContext.Provider |
| value={{ |
| mediaDevices, |
| localStream, |
| remoteStream: remoteStreams?.at(-1), |
| isAudioOn, |
| setAudioStatus, |
| isVideoOn, |
| setVideoStatus, |
| callRole, |
| callStatus, |
| acceptCall, |
| }} |
| > |
| {children} |
| </CallContext.Provider> |
| ); |
| }; |