| /* |
| * 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 { CallBegin, WebSocketMessageType } from 'jami-web-common'; |
| import { createContext, useCallback, useContext, useEffect, useState } from 'react'; |
| import { useNavigate } from 'react-router-dom'; |
| |
| import { RemoteVideoOverlay } from '../components/VideoOverlay'; |
| import { useUrlParams } from '../hooks/useUrlParams'; |
| import { Conversation } from '../models/conversation'; |
| import { ConversationRouteParams } from '../router'; |
| import { useConversationQuery } from '../services/conversationQueries'; |
| import { SetState, WithChildren } from '../utils/utils'; |
| import CallProvider, { CallRole } from './CallProvider'; |
| import WebRtcProvider from './WebRtcProvider'; |
| import { WebSocketContext } from './WebSocketProvider'; |
| |
| type CallData = { |
| conversationId: string; |
| role: CallRole; |
| withVideoOn?: boolean; |
| }; |
| |
| type ICallManagerContext = { |
| callData: CallData | undefined; |
| callConversation: Conversation | undefined; |
| |
| startCall: SetState<CallData | undefined>; |
| exitCall: () => void; |
| }; |
| |
| export const CallManagerContext = createContext<ICallManagerContext>(undefined!); |
| CallManagerContext.displayName = 'CallManagerContext'; |
| |
| export default ({ children }: WithChildren) => { |
| const [callData, setCallData] = useState<CallData>(); |
| const webSocket = useContext(WebSocketContext); |
| const navigate = useNavigate(); |
| const conversationId = callData?.conversationId; |
| const { conversation } = useConversationQuery(conversationId); |
| |
| const failStartCall = useCallback(() => { |
| throw new Error('Cannot start call: Already in a call'); |
| }, []); |
| |
| const startCall = !callData ? setCallData : failStartCall; |
| |
| const exitCall = useCallback(() => { |
| if (!callData) { |
| return; |
| } |
| |
| setCallData(undefined); |
| // TODO: write in chat that the call ended |
| }, [callData]); |
| |
| useEffect(() => { |
| if (callData) { |
| // TODO: Currently, we simply do not bind the CallBegin listener if already in a call. |
| // In the future, we should handle receiving a call while already in another. |
| return; |
| } |
| if (!webSocket) { |
| return; |
| } |
| |
| const callBeginListener = ({ conversationId, withVideoOn }: CallBegin) => { |
| startCall({ conversationId: conversationId, role: 'receiver', withVideoOn }); |
| navigate(`/conversation/${conversationId}`); |
| }; |
| |
| webSocket.bind(WebSocketMessageType.CallBegin, callBeginListener); |
| |
| return () => { |
| webSocket.unbind(WebSocketMessageType.CallBegin, callBeginListener); |
| }; |
| }, [webSocket, navigate, startCall, callData]); |
| |
| return ( |
| <CallManagerContext.Provider |
| value={{ |
| startCall, |
| callData, |
| callConversation: conversation, |
| exitCall, |
| }} |
| > |
| <CallManagerProvider>{children}</CallManagerProvider> |
| </CallManagerContext.Provider> |
| ); |
| }; |
| |
| const CallManagerProvider = ({ children }: WithChildren) => { |
| const { callData } = useContext(CallManagerContext); |
| const { urlParams } = useUrlParams<ConversationRouteParams>(); |
| const conversationId = urlParams.conversationId; |
| |
| if (!callData) { |
| return <>{children}</>; |
| } |
| |
| return ( |
| <WebRtcProvider> |
| <CallProvider> |
| {callData.conversationId !== conversationId && ( |
| <RemoteVideoOverlay callConversationId={callData.conversationId} /> |
| )} |
| {children} |
| </CallProvider> |
| </WebRtcProvider> |
| ); |
| }; |