jiti-meet/modules/remotecontrol/RemoteControl.js

101 lines
2.8 KiB
JavaScript

/* @flow */
import EventEmitter from 'events';
import { getLogger } from 'jitsi-meet-logger';
import { DISCO_REMOTE_CONTROL_FEATURE }
from '../../service/remotecontrol/Constants';
import * as RemoteControlEvents
from '../../service/remotecontrol/RemoteControlEvents';
import Controller from './Controller';
import Receiver from './Receiver';
const logger = getLogger(__filename);
declare var APP: Object;
declare var config: Object;
/**
* Implements the remote control functionality.
*/
class RemoteControl extends EventEmitter {
_active: boolean;
_initialized: boolean;
controller: Controller;
receiver: Receiver;
/**
* Constructs new instance. Creates controller and receiver properties.
*/
constructor() {
super();
this.controller = new Controller();
this._active = false;
this._initialized = false;
this.controller.on(RemoteControlEvents.ACTIVE_CHANGED, active => {
this.active = active;
});
}
/**
* Sets the remote control session active status.
*
* @param {boolean} isActive - True - if the controller or the receiver is
* currently in remote control session and false otherwise.
* @returns {void}
*/
set active(isActive: boolean) {
this._active = isActive;
this.emit(RemoteControlEvents.ACTIVE_CHANGED, isActive);
}
/**
* Returns the remote control session active status.
*
* @returns {boolean} - True - if the controller or the receiver is
* currently in remote control session and false otherwise.
*/
get active(): boolean {
return this._active;
}
/**
* Initializes the remote control - checks if the remote control should be
* enabled or not.
*
* @returns {void}
*/
init() {
if (config.disableRemoteControl
|| this._initialized
|| !APP.conference.isDesktopSharingEnabled) {
return;
}
logger.log('Initializing remote control.');
this._initialized = true;
this.controller.enable(true);
this.receiver = new Receiver();
this.receiver.on(RemoteControlEvents.ACTIVE_CHANGED, active => {
this.active = active;
});
}
/**
* Checks whether the passed user supports remote control or not.
*
* @param {JitsiParticipant} user - The user to be tested.
* @returns {Promise<boolean>} The promise will be resolved with true if
* the user supports remote control and with false if not.
*/
checkUserRemoteControlSupport(user: Object) {
return user.getFeatures().then(
features => features.has(DISCO_REMOTE_CONTROL_FEATURE),
() => false);
}
}
export default new RemoteControl();