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/**
* @name jQuery FullScreen Plugin
* @author Martin Angelov
* @version 1.0
* @url http://tutorialzine.com/2012/02/enhance-your-website-fullscreen-api/
* @license MIT License
*/
(function($){
// Adding a new test to the jQuery support object
$.support.fullscreen = supportFullScreen();
// Creating the plugin
$.fn.fullScreen = function(props){
if(!$.support.fullscreen || this.length != 1){
// The plugin can be called only
// on one element at a time
return this;
}
if(fullScreenStatus()){
// if we are already in fullscreen, exit
cancelFullScreen();
return this;
}
// You can potentially pas two arguments a color
// for the background and a callback function
var options = $.extend({
'background' : '#111',
'callback' : function(){}
}, props);
// This temporary div is the element that is
// actually going to be enlarged in full screen
var fs = $('<div>',{
'css' : {
'background' : options.background,
'width' : '100%',
'height' : '100%'
}
});
var elem = this;
// You can use the .fullScreen class to
// apply styling to your element
elem.addClass('fullScreen');
// Inserting our element in the temporary
// div, after which we zoom it in fullscreen
fs.insertBefore(elem);
fs.append(elem);
requestFullScreen(fs.get(0));
fs.click(function(e){
if(e.target == this){
// If the black bar was clicked
cancelFullScreen();
}
});
elem.cancel = function(){
cancelFullScreen();
return elem;
};
onFullScreenEvent(function(fullScreen){
if(!fullScreen){
// We have exited full screen.
// Remove the class and destroy
// the temporary div
elem.removeClass('fullScreen').insertBefore(fs);
fs.remove();
}
// Calling the user supplied callback
options.callback(fullScreen);
});
return elem;
};
// These helper functions available only to our plugin scope.
function supportFullScreen(){
var doc = document.documentElement;
return ('requestFullscreen' in doc) ||
('mozRequestFullScreen' in doc && document.mozFullScreenEnabled) ||
('webkitRequestFullScreen' in doc);
}
function requestFullScreen(elem){
if (elem.requestFullscreen) {
elem.requestFullscreen();
}
else if (elem.mozRequestFullScreen) {
elem.mozRequestFullScreen();
}
else if (elem.webkitRequestFullScreen) {
elem.webkitRequestFullScreen();
}
}
function fullScreenStatus(){
return document.fullscreen ||
document.mozFullScreen ||
document.webkitIsFullScreen;
}
function cancelFullScreen(){
if (document.exitFullscreen) {
document.exitFullscreen();
}
else if (document.mozCancelFullScreen) {
document.mozCancelFullScreen();
}
else if (document.webkitCancelFullScreen) {
document.webkitCancelFullScreen();
}
}
function onFullScreenEvent(callback){
$(document).on("fullscreenchange mozfullscreenchange webkitfullscreenchange", function(){
// The full screen status is automatically
// passed to our callback as an argument.
callback(fullScreenStatus());
});
}
})(jQuery);
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