jiti-meet/modules/remotecontrol/RemoteControl.js

90 lines
2.8 KiB
JavaScript

/* global APP, config */
const logger = require("jitsi-meet-logger").getLogger(__filename);
import Controller from "./Controller";
import Receiver from "./Receiver";
import {EVENT_TYPES, DISCO_REMOTE_CONTROL_FEATURE}
from "../../service/remotecontrol/Constants";
/**
* Implements the remote control functionality.
*/
class RemoteControl {
/**
* Constructs new instance. Creates controller and receiver properties.
* @constructor
*/
constructor() {
this.controller = new Controller();
this.receiver = new Receiver();
this.enabled = false;
this.initialized = false;
}
/**
* Initializes the remote control - checks if the remote control should be
* enabled or not, initializes the API module.
*/
init() {
if(config.disableRemoteControl || this.initialized
|| !APP.conference.isDesktopSharingEnabled) {
return;
}
logger.log("Initializing remote control.");
this.initialized = true;
APP.API.init({
forceEnable: true,
});
this.controller.enable(true);
if(this.enabled) { // supported message came before init.
this._onRemoteControlSupported();
}
}
/**
* Handles remote control events from the API module. Currently only events
* with type = EVENT_TYPES.supported or EVENT_TYPES.permissions
* @param {RemoteControlEvent} event the remote control event.
*/
onRemoteControlAPIEvent(event) {
switch(event.type) {
case EVENT_TYPES.supported:
this._onRemoteControlSupported();
break;
case EVENT_TYPES.permissions:
this.receiver._onRemoteControlPermissionsEvent(
event.userId, event.action);
break;
}
}
/**
* Handles API event for support for executing remote control events into
* the wrapper application.
*/
_onRemoteControlSupported() {
logger.log("Remote Control supported.");
if(!config.disableRemoteControl) {
this.enabled = true;
if(this.initialized) {
this.receiver.enable(true);
}
} else {
logger.log("Remote Control disabled.");
}
}
/**
* 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) {
return user.getFeatures().then(features =>
features.has(DISCO_REMOTE_CONTROL_FEATURE), () => false
);
}
}
export default new RemoteControl();