/*
 *	This file is part of "What's The Point" <https://github.com/Pacien/WhatsThePoint>
 *	Copyright (C) 2014  Pacien TRAN-GIRARD
 *
 *	"What's The Point" 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.
 *
 *	"What's The Point" 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 <http://www.gnu.org/licenses/>.
 */

define(["control/control"], function (control) {

	var fullscreen = {

		init: function () {
			this.bindEvent();
		},

		toggleFullscreen: function () {
			// from
			// https://developer.mozilla.org/en-US/docs/Web/Guide/API/DOM/Using_full_screen_mode#Toggling_fullscreenController_mode
			if (!document.fullscreenControllerElement && // alternative
				// standard method
				!document.mozFullScreenElement && !document.webkitFullscreenElement && !document.msFullscreenElement) {// current
				// working
				// methods
				if (document.documentElement.requestFullscreen) {
					document.documentElement.requestFullscreen();
				} else if (document.documentElement.msRequestFullscreen) {
					document.documentElement.msRequestFullscreen();
				} else if (document.documentElement.mozRequestFullScreen) {
					document.documentElement.mozRequestFullScreen();
				} else if (document.documentElement.webkitRequestFullscreen) {
					document.documentElement.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT);
				}
			} else {
				if (document.exitFullscreen) {
					document.exitFullscreen();
				} else if (document.msExitFullscreen) {
					document.msExitFullscreen();
				} else if (document.mozCancelFullScreen) {
					document.mozCancelFullScreen();
				} else if (document.webkitExitFullscreen) {
					document.webkitExitFullscreen();
				}
			}
		},

		bindEvent: function () {
			control.bindEvent(control.EVENT.TOGGLE, function (toggleEvent) {
				if (toggleEvent.detail === control.TOGGLE.FULLSCREEN) {
					fullscreen.toggleFullscreen();
				}
			});
		},
	};

	return fullscreen;

});