| /* |
| * 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 { CallAction, CallBegin, WebSocketMessageType } from 'jami-web-common'; |
| import { createContext, useCallback, useContext, useEffect, useMemo, useState } from 'react'; |
| import { Navigate, useNavigate } from 'react-router-dom'; |
| |
| import LoadingPage from '../components/Loading'; |
| import { useUrlParams } from '../hooks/useUrlParams'; |
| import CallPermissionDenied from '../pages/CallPermissionDenied'; |
| import { CallRouteParams } from '../router'; |
| import { callTimeoutMs } from '../utils/constants'; |
| import { SetState, WithChildren } from '../utils/utils'; |
| import { ConversationContext } from './ConversationProvider'; |
| import { MediaDevicesInfo, MediaInputKind, WebRtcContext } from './WebRtcProvider'; |
| import { IWebSocketContext, WebSocketContext } from './WebSocketProvider'; |
| |
| export type CallRole = 'caller' | 'receiver'; |
| |
| export enum CallStatus { |
| Default, |
| Loading, |
| Ringing, |
| Connecting, |
| InCall, |
| PermissionsDenied, |
| } |
| |
| type MediaDeviceIdState = { |
| id: string | undefined; |
| setId: (id: string | undefined) => void | Promise<void>; |
| }; |
| type CurrentMediaDeviceIds = Record<MediaDeviceKind, MediaDeviceIdState>; |
| |
| export interface ICallContext { |
| mediaDevices: MediaDevicesInfo; |
| currentMediaDeviceIds: CurrentMediaDeviceIds; |
| |
| isAudioOn: boolean; |
| setIsAudioOn: SetState<boolean>; |
| isVideoOn: boolean; |
| setIsVideoOn: SetState<boolean>; |
| isChatShown: boolean; |
| setIsChatShown: SetState<boolean>; |
| isFullscreen: boolean; |
| setIsFullscreen: SetState<boolean>; |
| callRole: CallRole; |
| callStatus: CallStatus; |
| callStartTime: number | undefined; |
| |
| acceptCall: (withVideoOn: boolean) => void; |
| endCall: () => void; |
| } |
| |
| const defaultCallContext: ICallContext = { |
| mediaDevices: { |
| audioinput: [], |
| audiooutput: [], |
| videoinput: [], |
| }, |
| currentMediaDeviceIds: { |
| audioinput: { |
| id: undefined, |
| setId: async () => {}, |
| }, |
| audiooutput: { |
| id: undefined, |
| setId: async () => {}, |
| }, |
| videoinput: { |
| id: undefined, |
| setId: async () => {}, |
| }, |
| }, |
| |
| isAudioOn: false, |
| setIsAudioOn: () => {}, |
| isVideoOn: false, |
| setIsVideoOn: () => {}, |
| isChatShown: false, |
| setIsChatShown: () => {}, |
| isFullscreen: false, |
| setIsFullscreen: () => {}, |
| callRole: 'caller', |
| callStatus: CallStatus.Default, |
| callStartTime: undefined, |
| |
| acceptCall: (_: boolean) => {}, |
| endCall: () => {}, |
| }; |
| |
| export const CallContext = createContext<ICallContext>(defaultCallContext); |
| |
| export default ({ children }: WithChildren) => { |
| const webSocket = useContext(WebSocketContext); |
| |
| if (!webSocket) { |
| return <LoadingPage />; |
| } |
| |
| return <CallProvider webSocket={webSocket}>{children}</CallProvider>; |
| }; |
| |
| const CallProvider = ({ |
| children, |
| webSocket, |
| }: WithChildren & { |
| webSocket: IWebSocketContext; |
| }) => { |
| const { state: routeState } = useUrlParams<CallRouteParams>(); |
| const { localStream, sendWebRtcOffer, iceConnectionState, closeConnection, getMediaDevices, updateLocalStream } = |
| useContext(WebRtcContext); |
| const { conversationId, conversation } = useContext(ConversationContext); |
| const navigate = useNavigate(); |
| |
| const [mediaDevices, setMediaDevices] = useState(defaultCallContext.mediaDevices); |
| const [audioInputDeviceId, setAudioInputDeviceId] = useState<string>(); |
| const [audioOutputDeviceId, setAudioOutputDeviceId] = useState<string>(); |
| const [videoDeviceId, setVideoDeviceId] = useState<string>(); |
| |
| const [isAudioOn, setIsAudioOn] = useState(false); |
| const [isVideoOn, setIsVideoOn] = useState(false); |
| const [isChatShown, setIsChatShown] = useState(false); |
| const [isFullscreen, setIsFullscreen] = useState(false); |
| const [callStatus, setCallStatus] = useState(routeState?.callStatus); |
| const [callRole] = useState(routeState?.role); |
| const [callStartTime, setCallStartTime] = useState<number | undefined>(undefined); |
| |
| // TODO: This logic will have to change to support multiple people in a call. Could we move this logic to the server? |
| // The client could make a single request with the conversationId, and the server would be tasked with sending |
| // all the individual requests to the members of the conversation. |
| const contactUri = useMemo(() => conversation.getFirstMember().contact.getUri(), [conversation]); |
| |
| useEffect(() => { |
| if (callStatus !== CallStatus.InCall) { |
| return; |
| } |
| |
| const updateMediaDevices = async () => { |
| try { |
| const newMediaDevices = await getMediaDevices(); |
| |
| if (newMediaDevices.audiooutput.length !== 0 && !audioOutputDeviceId) { |
| setAudioOutputDeviceId(newMediaDevices.audiooutput[0].deviceId); |
| } |
| |
| setMediaDevices(newMediaDevices); |
| } catch (e) { |
| console.error('Could not update media devices:', e); |
| } |
| }; |
| |
| navigator.mediaDevices.addEventListener('devicechange', updateMediaDevices); |
| updateMediaDevices(); |
| |
| return () => { |
| navigator.mediaDevices.removeEventListener('devicechange', updateMediaDevices); |
| }; |
| }, [callStatus, getMediaDevices, audioOutputDeviceId]); |
| |
| useEffect(() => { |
| if (localStream) { |
| for (const track of localStream.getAudioTracks()) { |
| track.enabled = isAudioOn; |
| const deviceId = track.getSettings().deviceId; |
| if (deviceId) { |
| setAudioInputDeviceId(deviceId); |
| } |
| } |
| } |
| }, [isAudioOn, localStream]); |
| |
| useEffect(() => { |
| if (localStream) { |
| for (const track of localStream.getVideoTracks()) { |
| track.enabled = isVideoOn; |
| const deviceId = track.getSettings().deviceId; |
| if (deviceId) { |
| setVideoDeviceId(deviceId); |
| } |
| } |
| } |
| }, [isVideoOn, localStream]); |
| |
| useEffect(() => { |
| const onFullscreenChange = () => { |
| setIsFullscreen(document.fullscreenElement !== null); |
| }; |
| |
| document.addEventListener('fullscreenchange', onFullscreenChange); |
| return () => { |
| document.removeEventListener('fullscreenchange', onFullscreenChange); |
| }; |
| }, []); |
| |
| useEffect(() => { |
| if (callRole === 'caller' && callStatus === CallStatus.Default) { |
| const withVideoOn = routeState?.isVideoOn ?? false; |
| setCallStatus(CallStatus.Loading); |
| updateLocalStream() |
| .then(() => { |
| const callBegin: CallBegin = { |
| contactId: contactUri, |
| conversationId, |
| withVideoOn, |
| }; |
| |
| setCallStatus(CallStatus.Ringing); |
| setIsVideoOn(withVideoOn); |
| console.info('Sending CallBegin', callBegin); |
| webSocket.send(WebSocketMessageType.CallBegin, callBegin); |
| }) |
| .catch((e) => { |
| console.error(e); |
| setCallStatus(CallStatus.PermissionsDenied); |
| }); |
| } |
| }, [webSocket, updateLocalStream, callRole, callStatus, contactUri, conversationId, routeState]); |
| |
| const acceptCall = useCallback( |
| (withVideoOn: boolean) => { |
| setCallStatus(CallStatus.Loading); |
| updateLocalStream() |
| .then(() => { |
| const callAccept: CallAction = { |
| contactId: contactUri, |
| conversationId, |
| }; |
| |
| setIsVideoOn(withVideoOn); |
| setCallStatus(CallStatus.Connecting); |
| console.info('Sending CallAccept', callAccept); |
| webSocket.send(WebSocketMessageType.CallAccept, callAccept); |
| }) |
| .catch((e) => { |
| console.error(e); |
| setCallStatus(CallStatus.PermissionsDenied); |
| }); |
| }, |
| [webSocket, updateLocalStream, contactUri, conversationId] |
| ); |
| |
| useEffect(() => { |
| if (callRole === 'caller' && callStatus === CallStatus.Ringing) { |
| const callAcceptListener = (data: CallAction) => { |
| console.info('Received event on CallAccept', data); |
| if (data.conversationId !== conversationId) { |
| console.warn('Wrong incoming conversationId, ignoring action'); |
| return; |
| } |
| |
| setCallStatus(CallStatus.Connecting); |
| |
| sendWebRtcOffer(); |
| }; |
| |
| webSocket.bind(WebSocketMessageType.CallAccept, callAcceptListener); |
| |
| return () => { |
| webSocket.unbind(WebSocketMessageType.CallAccept, callAcceptListener); |
| }; |
| } |
| }, [callRole, webSocket, sendWebRtcOffer, callStatus, conversationId]); |
| |
| const endCall = useCallback(() => { |
| const callEnd: CallAction = { |
| contactId: contactUri, |
| conversationId, |
| }; |
| |
| console.info('Sending CallEnd', callEnd); |
| closeConnection(); |
| webSocket.send(WebSocketMessageType.CallEnd, callEnd); |
| navigate(`/conversation/${conversationId}`); |
| // TODO: write in chat that the call ended |
| }, [webSocket, contactUri, conversationId, closeConnection, navigate]); |
| |
| useEffect(() => { |
| const callEndListener = (data: CallAction) => { |
| console.info('Received event on CallEnd', data); |
| if (data.conversationId !== conversationId) { |
| console.warn('Wrong incoming conversationId, ignoring action'); |
| return; |
| } |
| |
| closeConnection(); |
| navigate(`/conversation/${conversationId}`); |
| // TODO: write in chat that the call ended |
| }; |
| |
| webSocket.bind(WebSocketMessageType.CallEnd, callEndListener); |
| return () => { |
| webSocket.unbind(WebSocketMessageType.CallEnd, callEndListener); |
| }; |
| }, [webSocket, navigate, conversationId, closeConnection]); |
| |
| useEffect(() => { |
| if ( |
| callStatus === CallStatus.Connecting && |
| (iceConnectionState === 'connected' || iceConnectionState === 'completed') |
| ) { |
| console.info('Changing call status to InCall'); |
| setCallStatus(CallStatus.InCall); |
| setCallStartTime(Date.now()); |
| } |
| }, [iceConnectionState, callStatus]); |
| |
| useEffect(() => { |
| if (iceConnectionState === 'disconnected' || iceConnectionState === 'failed') { |
| console.info('ICE connection disconnected or failed, ending call'); |
| endCall(); |
| } |
| }, [iceConnectionState, callStatus, isVideoOn, endCall]); |
| |
| useEffect(() => { |
| const checkStatusTimeout = () => { |
| if (callStatus !== CallStatus.InCall) { |
| endCall(); |
| } |
| }; |
| const timeoutId = setTimeout(checkStatusTimeout, callTimeoutMs); |
| |
| return () => { |
| clearTimeout(timeoutId); |
| }; |
| }, [callStatus, endCall]); |
| |
| const currentMediaDeviceIds: CurrentMediaDeviceIds = useMemo(() => { |
| const createSetIdForDeviceKind = (mediaInputKind: MediaInputKind) => async (id: string | undefined) => { |
| const mediaDeviceIds = { |
| audio: audioInputDeviceId, |
| video: videoDeviceId, |
| }; |
| |
| mediaDeviceIds[mediaInputKind] = id; |
| |
| await updateLocalStream(mediaDeviceIds); |
| }; |
| |
| return { |
| audioinput: { |
| id: audioInputDeviceId, |
| setId: createSetIdForDeviceKind('audio'), |
| }, |
| audiooutput: { |
| id: audioOutputDeviceId, |
| setId: setAudioOutputDeviceId, |
| }, |
| videoinput: { |
| id: videoDeviceId, |
| setId: createSetIdForDeviceKind('video'), |
| }, |
| }; |
| }, [updateLocalStream, audioInputDeviceId, audioOutputDeviceId, videoDeviceId]); |
| |
| useEffect(() => { |
| navigate('.', { |
| replace: true, |
| state: {}, |
| }); |
| }, [navigate]); |
| |
| if (!callRole || callStatus === undefined) { |
| console.error('Invalid route. Redirecting...'); |
| return <Navigate to={'/'} />; |
| } |
| |
| return ( |
| <CallContext.Provider |
| value={{ |
| mediaDevices, |
| currentMediaDeviceIds, |
| isAudioOn, |
| setIsAudioOn, |
| isVideoOn, |
| setIsVideoOn, |
| isChatShown, |
| setIsChatShown, |
| isFullscreen, |
| setIsFullscreen, |
| callRole, |
| callStatus, |
| callStartTime, |
| acceptCall, |
| endCall, |
| }} |
| > |
| {callStatus === CallStatus.PermissionsDenied ? <CallPermissionDenied /> : children} |
| </CallContext.Provider> |
| ); |
| }; |