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/*
* jquery.fullscreen v0.6.0
* https://github.com/private-face/jquery.fullscreen
*
* Copyright (c) 2012–2016 Vladimir Zhuravlev
* Released under the MIT license
* https://github.com/private-face/jquery.fullscreen/blob/master/LICENSE
*
* Date: 2016-08-25
**/
(function(global, factory) {
if (typeof define === 'function' && define.amd) {
// AMD
define(['jquery'], function (jQuery) {
return factory(jQuery);
});
} else if (typeof exports === 'object') {
// CommonJS/Browserify
factory(require('jquery'));
} else {
// Global
factory(global.jQuery);
}
}(this, function($) {
function defined(a) {
return typeof a !== "undefined";
}
function extend(child, parent, prototype) {
var F = function() {};
F.prototype = parent.prototype;
child.prototype = new F();
child.prototype.constructor = child;
parent.prototype.constructor = parent;
child._super = parent.prototype;
if (prototype) {
$.extend(child.prototype, prototype);
}
}
var SUBST = [ [ "", "" ], [ "exit", "cancel" ], [ "screen", "Screen" ] ];
var VENDOR_PREFIXES = [ "", "o", "ms", "moz", "webkit", "webkitCurrent" ];
function native(obj, name) {
var prefixed;
if (typeof obj === "string") {
name = obj;
obj = document;
}
for (var i = 0; i < SUBST.length; ++i) {
name = name.replace(SUBST[i][0], SUBST[i][1]);
for (var j = 0; j < VENDOR_PREFIXES.length; ++j) {
prefixed = VENDOR_PREFIXES[j];
prefixed += j === 0 ? name : name.charAt(0).toUpperCase() + name.substr(1);
if (defined(obj[prefixed])) {
return obj[prefixed];
}
}
}
return void 0;
}
var ua = navigator.userAgent;
var fsEnabled = native("fullscreenEnabled");
var parsedChromeUA = ua.match(/Android.*Chrome\/(\d+)\./);
var IS_ANDROID_CHROME = !!parsedChromeUA;
var CHROME_VERSION;
var ANDROID_CHROME_VERSION;
if (IS_ANDROID_CHROME) {
ANDROID_CHROME_VERSION = parseInt(parsedChromeUA[1]);
}
var IS_NATIVELY_SUPPORTED = (!IS_ANDROID_CHROME || ANDROID_CHROME_VERSION > 37) && defined(native("fullscreenElement")) && (!defined(fsEnabled) || fsEnabled === true);
var version = $.fn.jquery.split(".");
var JQ_LT_17 = parseInt(version[0]) < 2 && parseInt(version[1]) < 7;
var FullScreenAbstract = function() {
this.__options = null;
this._fullScreenElement = null;
this.__savedStyles = {};
};
FullScreenAbstract.prototype = {
native: native,
_DEFAULT_OPTIONS: {
styles: {
boxSizing: "border-box",
MozBoxSizing: "border-box",
WebkitBoxSizing: "border-box"
},
toggleClass: null
},
__documentOverflow: "",
__htmlOverflow: "",
_preventDocumentScroll: function() {
this.__documentOverflow = document.body.style.overflow;
this.__htmlOverflow = document.documentElement.style.overflow;
if (!$(this._fullScreenElement).is("body, html")) {
$("body, html").css("overflow", "hidden");
}
},
_allowDocumentScroll: function() {
document.body.style.overflow = this.__documentOverflow;
document.documentElement.style.overflow = this.__htmlOverflow;
},
_fullScreenChange: function() {
if (!this.__options) {
return;
}
if (!this.isFullScreen()) {
this._allowDocumentScroll();
this._revertStyles();
this._triggerEvents();
this._fullScreenElement = null;
} else {
this._preventDocumentScroll();
this._triggerEvents();
}
},
_fullScreenError: function(e) {
if (!this.__options) {
return;
}
this._revertStyles();
this._fullScreenElement = null;
if (e) {
$(document).trigger("fscreenerror", [ e ]);
}
},
_triggerEvents: function() {
$(this._fullScreenElement).trigger(this.isFullScreen() ? "fscreenopen" : "fscreenclose");
$(document).trigger("fscreenchange", [ this.isFullScreen(), this._fullScreenElement ]);
},
_saveAndApplyStyles: function() {
var $elem = $(this._fullScreenElement);
this.__savedStyles = {};
for (var property in this.__options.styles) {
this.__savedStyles[property] = this._fullScreenElement.style[property];
this._fullScreenElement.style[property] = this.__options.styles[property];
}
if ($elem.is("body")) {
document.documentElement.style.overflow = this.__options.styles.overflow;
}
if (this.__options.toggleClass) {
$elem.addClass(this.__options.toggleClass);
}
},
_revertStyles: function() {
var $elem = $(this._fullScreenElement);
for (var property in this.__options.styles) {
this._fullScreenElement.style[property] = this.__savedStyles[property];
}
if ($elem.is("body")) {
document.documentElement.style.overflow = this.__savedStyles.overflow;
}
if (this.__options.toggleClass) {
$elem.removeClass(this.__options.toggleClass);
}
},
open: function(elem, options) {
if (elem === this._fullScreenElement) {
return;
}
if (this.isFullScreen()) {
this.exit();
}
this._fullScreenElement = elem;
this.__options = $.extend(true, {}, this._DEFAULT_OPTIONS, options);
this._saveAndApplyStyles();
},
exit: null,
isFullScreen: null,
isNativelySupported: function() {
return IS_NATIVELY_SUPPORTED;
}
};
var FullScreenNative = function() {
FullScreenNative._super.constructor.apply(this, arguments);
this.exit = $.proxy(native("exitFullscreen"), document);
this._DEFAULT_OPTIONS = $.extend(true, {}, this._DEFAULT_OPTIONS, {
styles: {
width: "100%",
height: "100%"
}
});
$(document).bind(this._prefixedString("fullscreenchange") + " MSFullscreenChange", $.proxy(this._fullScreenChange, this)).bind(this._prefixedString("fullscreenerror") + " MSFullscreenError", $.proxy(this._fullScreenError, this));
};
extend(FullScreenNative, FullScreenAbstract, {
VENDOR_PREFIXES: [ "", "o", "moz", "webkit" ],
_prefixedString: function(str) {
return $.map(this.VENDOR_PREFIXES, function(s) {
return s + str;
}).join(" ");
},
open: function(elem, options) {
FullScreenNative._super.open.apply(this, arguments);
var requestFS = native(elem, "requestFullscreen");
requestFS.call(elem);
},
exit: $.noop,
isFullScreen: function() {
return native("fullscreenElement") !== null;
},
element: function() {
return native("fullscreenElement");
}
});
var FullScreenFallback = function() {
FullScreenFallback._super.constructor.apply(this, arguments);
this._DEFAULT_OPTIONS = $.extend({}, this._DEFAULT_OPTIONS, {
styles: {
position: "fixed",
zIndex: "2147483647",
left: 0,
top: 0,
bottom: 0,
right: 0
}
});
this.__delegateKeydownHandler();
};
extend(FullScreenFallback, FullScreenAbstract, {
__isFullScreen: false,
__delegateKeydownHandler: function() {
var $doc = $(document);
$doc.delegate("*", "keydown.fullscreen", $.proxy(this.__keydownHandler, this));
var data = JQ_LT_17 ? $doc.data("events") : $._data(document).events;
var events = data["keydown"];
if (!JQ_LT_17) {
events.splice(0, 0, events.splice(events.delegateCount - 1, 1)[0]);
} else {
data.live.unshift(data.live.pop());
}
},
__keydownHandler: function(e) {
if (this.isFullScreen() && e.which === 27) {
this.exit();
return false;
}
return true;
},
_revertStyles: function() {
FullScreenFallback._super._revertStyles.apply(this, arguments);
this._fullScreenElement.offsetHeight;
},
open: function(elem) {
FullScreenFallback._super.open.apply(this, arguments);
this.__isFullScreen = true;
this._fullScreenChange();
},
exit: function() {
if (!this.__isFullScreen) {
return;
}
this.__isFullScreen = false;
this._fullScreenChange();
},
isFullScreen: function() {
return this.__isFullScreen;
},
element: function() {
return this.__isFullScreen ? this._fullScreenElement : null;
}
});
$.fullscreen = IS_NATIVELY_SUPPORTED ? new FullScreenNative() : new FullScreenFallback();
$.fn.fullscreen = function(options) {
var elem = this[0];
options = $.extend({
toggleClass: null,
overflow: "hidden"
}, options);
options.styles = {
overflow: options.overflow
};
delete options.overflow;
if (elem) {
$.fullscreen.open(elem, options);
}
return this;
};return $.fullscreen;
}));