jiti-meet/modules/remotecontrol/Receiver.js

65 lines
1.9 KiB
JavaScript

/* global APP, JitsiMeetJS */
import {DISCO_REMOTE_CONTROL_FEATURE, API_EVENT_TYPE}
from "../../service/remotecontrol/Constants";
const ConferenceEvents = JitsiMeetJS.events.conference;
/**
* This class represents the receiver party for a remote controller session.
* It handles "remote-control-event" events and sends them to the
* API module. From there the events can be received from wrapper application
* and executed.
*/
export default class Receiver {
/**
* Creates new instance.
* @constructor
*/
constructor() {
this.enabled = false;
}
/**
* Enables / Disables the remote control
* @param {boolean} enabled the new state.
*/
enable(enabled) {
if(this.enabled !== enabled && enabled === true) {
this.enabled = enabled;
// Announce remote control support.
APP.connection.addFeature(DISCO_REMOTE_CONTROL_FEATURE, true);
}
}
/**
* Attaches listener for ConferenceEvents.ENDPOINT_MESSAGE_RECEIVED events.
*/
start() {
if(this.enabled) {
APP.conference.addConferenceListener(
ConferenceEvents.ENDPOINT_MESSAGE_RECEIVED,
this._onRemoteControlEvent);
}
}
/**
* Removes the listener for ConferenceEvents.ENDPOINT_MESSAGE_RECEIVED
* events.
*/
stop() {
APP.conference.removeConferenceListener(
ConferenceEvents.ENDPOINT_MESSAGE_RECEIVED,
this._onRemoteControlEvent);
}
/**
* Sends "remote-control-event" events to to the API module.
* @param {JitsiParticipant} participant the controller participant
* @param {Object} event the remote control event.
*/
_onRemoteControlEvent(participant, event) {
if(event.type === API_EVENT_TYPE && this.enabled)
APP.API.sendRemoteControlEvent(event.event);
}
}