element-web/src/controllers/molecules/voip/CallView.js

/*
Copyright 2015 OpenMarket Ltd

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.
*/

var dis = require("../../../dispatcher");
var CallHandler = require("../../../CallHandler");

/*
 * State vars:
 * this.state.call = MatrixCall|null
 *
 * Props:
 * this.props.room = Room (JS SDK)
 */

module.exports = {

    componentDidMount: function() {
        this.dispatcherRef = dis.register(this.onAction);
        if (this.props.room) {
            this.showCall(this.props.room.roomId);
        }
    },

    componentWillUnmount: function() {
        dis.unregister(this.dispatcherRef);
    },

    onAction: function(payload) {
        // if we were given a room_id to track, don't handle anything else.
        if (payload.room_id && this.props.room && 
                this.props.room.roomId !== payload.room_id) {
            return;
        }
        if (payload.action !== 'call_state') {
            return;
        }
        this.showCall(payload.room_id);
    },

    showCall: function(roomId) {
        var call = CallHandler.getCall(roomId);
        if (call) {
            call.setLocalVideoElement(this.getVideoView().getLocalVideoElement());
            call.setRemoteVideoElement(this.getVideoView().getRemoteVideoElement());
            // give a separate element for audio stream playback - both for voice calls
            // and for the voice stream of screen captures
            call.setRemoteAudioElement(this.getVideoView().getRemoteAudioElement());
        }
        if (call && call.type === "video" && call.state !== 'ended') {
            this.getVideoView().getLocalVideoElement().style.display = "initial";
            this.getVideoView().getRemoteVideoElement().style.display = "initial";
        }
        else {
            this.getVideoView().getLocalVideoElement().style.display = "none";
            this.getVideoView().getRemoteVideoElement().style.display = "none";
        }
    }
};