jquery.printer.js

(function($) {
	$.fn.extend({
		printer: function(options) {
			//
			// Intro
			//
			
			// If more than one element is selected then throw an error.
			if (this.length > 1) {
				throw "Error: You may only select one element to serve as the printer.";
			}
			
			// Extend the options var.
			var settings = $.extend({
				// Options
				sidebar: 'left',
				height: 'auto',
				width: 'auto',
				speed: 1000,
				shading: true,
				tray: '#tray',
				sidebar: '#sidebar',
				direction: 'left',
				history: true,
				slideshow: false,
				slideshowSpeed: 5000,
				errorMessage: 'There was an internal server error, please try again.',
				criticalErrorMessage: 'The server is not working as expected, please contact the webmaster for assistance.',
				// Events (Callbacks)
				onClick: function() {},
				onLoad: function() {},
				onBeforePrint: function() {},
				onPrint: function() {},
				onPrintComplete: function() {}
			}, options);
			
			// Set up some interal reference vars.
			var currentPage = 0;
			var printer = this.selector;
			var isLoading = false;
			var errorCount = 0;
			var direction;
			var stateNo = 0;
			
			// Inject needed HTML
			var neededHTML = "";
			for(var i = 0; i < 2; i++) {
				neededHTML += '<div class="page'+i+' page"><div class="page-gutter"></div></div>';
			}
			$(printer+' '+settings.tray).html(neededHTML);
			$(printer+' '+settings.tray).after('<div style="clear: both;"></div>');
			
			// Add needed CSS
			$(printer).addClass('printer-body');
			$(printer+' '+settings.sidebar).addClass('sidebar');
			$(printer+' '+settings.tray).addClass('tray');
			
			// Load initial page if slideshow is off.
			if (settings.slideshow === false) {
				isLoading = true;
				$(printer+' '+settings.tray).addClass('loading');
				$(printer+' '+settings.tray + ' .page0').css('opacity', '0');
				$(printer+' '+settings.tray + ' .page1').css('opacity', '0');
				
				// Find out whether we have a page to load in the URL or if we should just load the first one.
				var state = window.location.href;
				if (state.indexOf("?") === -1) {
					var url = $(printer+' '+settings.sidebar+' a').eq(0).attr('href');
				} else {
					state = state.split("?")[1];
					states = state.split('&');
					var len = states.length;
					for (var j = 0; j < len; j++) {
						var keyValue = states[j].split("=");
						if (keyValue[0] == printer) {
							var url = b64_to_utf8(decodeURIComponent(keyValue[1]));
						}
					}
					if (url === undefined) {
						var url = $(printer+' '+settings.sidebar+' a').eq(0).attr('href');
					}
				}
				
				// Load and fade in specified page (or load error message if that fails).
				$.ajax(url, {
					success: function(data) {
						$(printer+' '+settings.tray + ' .page0 .page-gutter').html(data);
						
						$(printer+' '+settings.tray + ' .page0').removeAttr('style').addClass('animated fadeIn');
						$(printer + ' ' + settings.tray + ' .page0').one('webkitAnimationEnd mozAnimationEnd MSAnimationEnd oanimationend animationend', done);
						function done() {
							$(printer + ' ' + settings.tray + ' .page0').removeClass('animated fadeIn');
							$(printer+' '+settings.tray + ' .page1').removeAttr('style');
							$(printer + ' ' + settings.tray).removeClass('loading');
							isLoading = false;
							settings.onLoad.call(printer);
						}
					},
					error: function() {
						$(printer+' '+settings.tray + ' .page0 .page-gutter').html('<p>'+settings.errorMessage+'</p>');
						
						$(printer+' '+settings.tray + ' .page0').removeAttr('style').addClass('animated fadeIn');
						$(printer + ' ' + settings.tray + ' .page0').one('webkitAnimationEnd mozAnimationEnd MSAnimationEnd oanimationend animationend', done);
						function done() {
							$(printer + ' ' + settings.tray + ' .page0').removeClass('animated fadeIn');
							$(printer + ' ' + settings.sidebar + ' a').removeClass('loading');
							isLoading = false;
							settings.onLoad.call(printer);
						}
					}
				});
			}
			
			// If slideshow mode is on, start the show!
			if (settings.slideshow === true) {
				var slideNo = 0, speed = 0;
				function nextSlide() {
					setTimeout(function() {
						$(printer + ' ' + settings.sidebar + ' a').eq(slideNo).trigger('click');
						if (slideNo == $(printer + ' ' + settings.sidebar + ' a').length) {
							slideNo = 0;
							speed = 0;
						} else {
							slideNo++;
							speed = settings.slideshowSpeed;
						}
						nextSlide();
					}, speed);
				}
				nextSlide();
			}
			
			
			
			//
			// Event Listeners
			//
			$('body').on('click', printer + ' ' + settings.sidebar + ' a', function(event) {
				event.preventDefault();
				settings.onClick.call(event);
				
				if (isLoading == false) {
					isLoading = true;
					
					if (settings.slideshow === false && settings.history === true) {
						stateNo++;
						var url = '';
						var state = window.location.href;
						var b64EncodedHref = encodeURIComponent(utf8_to_b64($(this).attr('href')));
						if (state.indexOf('?') === -1) {
							url = "?"+printer+"="+b64EncodedHref;
							History.pushState(null, $(this).html(), url);
						} else {
							state = state.split('?')[1];
							// If the state URL only has one var in the query string.
							if (state.indexOf('&') === -1) {
								keyValue = state.split('=');
								if (keyValue[0] == printer) {
									url = "?"+printer+"="+b64EncodedHref;
									History.pushState(null, $(this).html(), url);
								} else {
									url = "?"+state + '&' + printer + '='+b64EncodedHref;
									History.pushState(null, $(this).html(), url);
								}
							// If the state URL has more than one var in the query string.
							} else {
								url += '?';
								states = state.split('&');
								var len = states.length, foundOn;
								for (var i = 0; i < len; i++) {
									var currentState = states[i].split("=");
									if (currentState[0] == printer) {
										url += printer+'='+b64EncodedHref;
										foundOn = i;
									}
								}
								states.splice(foundOn,1);
								len = states.length;
								for (var i = 0; i < len; i++) {
									url += "&"+states[i];
								}
								History.pushState(null, $(this).html(), url);
							}
						}
					}
					
					// Set up direction var if direction is set to random.
					if (settings.direction == 'random') {
						switch(Math.floor(Math.random()*4)) {
							case 0:
								direction = 'up';
								break;
							case 1:
								direction = 'down';
								break;
							case 2:
								direction = 'left';
								break;
							case 3:
								direction = 'right';
								break;
						}
					} else {
						direction = settings.direction;
					}
					// Begin loading page via AJAX.
					$(this).addClass('loading');
					$.ajax(grabURL(this), {
						success: function (data) {
							errorCount = 0;
							settings.onBeforePrint.call(data);
							printPage(data);
						},
						error: function() {
							errorCount++;
							if (errorCount < 5) {
								settings.onBeforePrint.call(settings.errorMessage);
								printPage('<p>'+settings.errorMessage+'</p>');
							} else {
								settings.onBeforePrint.call(settings.criticalErrorMessage);
								printPage('<p>'+settings.criticalErrorMessage+'</p>');
								errorCount = 0;
							}
						}
					});
				}
			});
			
			if (settings.slideshow === false && settings.history === true) {
				History.Adapter.bind(window,'statechange',function(){
					var state = History.getState();
					//console.log(state);
				});
			}
			
			
			
			
			//
			// Helper Functions
			//
			function printPage(pageContents) {
				settings.onPrint.call(printer);
				/*$(printer + ' ' + settings.tray + ' .page' + (currentPage+1)).html('<div class="page-gutter">'+pageContents+'</div>').animate({
					left: '0'+'px'
				}, settings.speed, settings.easing, function() {
					$(printer + ' ' + settings.sidebar + ' a').removeClass('loading');
					$(this).attr('class', 'page-1 page');
					$(printer + ' ' + settings.tray + ' .page' + currentPage).css('left', '-'+$(this).width()+'px').attr('class', 'page' + (currentPage+1)+' page');
					$(this).attr('class', 'page0 page');
					isLoading = false;
				});*/
				$(printer + ' ' + settings.tray + ' .page0').attr('class', 'page-1 page');
				$(printer + ' ' + settings.tray + ' .page1').attr('class', 'page0 page');
				$(printer + ' ' + settings.tray + ' .page-1').attr('class', 'page1 page');
				
				$(printer + ' ' + settings.tray + ' .page0').html('<div class="page-gutter">'+pageContents+'</div>');
				$(printer + ' ' + settings.tray + ' .page0').addClass('animated fadeIn'+capitalize(direction)+'Big');
				$(printer + ' ' + settings.tray + ' .page0').one('webkitAnimationEnd mozAnimationEnd MSAnimationEnd oanimationend animationend', animComplete);
				function animComplete() {
					$(printer + ' ' + settings.tray + ' .page0').removeClass('animated fadeIn'+capitalize(direction)+'Big');
					$(printer + ' ' + settings.sidebar + ' a').removeClass('loading');
					isLoading = false;
					settings.onPrintComplete.call();
				}
			}
			function goBack() {
				
			}
			
			function grabURL(a) {
				return $(a).attr('href');
			}
			function capitalize(string) {
				return string.charAt(0).toUpperCase() + string.slice(1);
			}
			
			function utf8_to_b64( str ) {
				return window.btoa(unescape(encodeURIComponent( str )));
			}
			function b64_to_utf8( str ) {
				return decodeURIComponent(escape(window.atob( str )));
			}
			
			//
			// Return jQuery Object
			//
			return this;
		}
	});
})(jQuery);



//
// History.js dependency
//

(function(e,t){"use strict";var n=e.History=e.History||{},r=e.jQuery;if(typeof n.Adapter!="undefined")throw new Error("History.js Adapter has already been loaded...");n.Adapter={bind:function(e,t,n){r(e).bind(t,n)},trigger:function(e,t,n){r(e).trigger(t,n)},extractEventData:function(e,n,r){var i=n&&n.originalEvent&&n.originalEvent[e]||r&&r[e]||t;return i},onDomLoad:function(e){r(e)}},typeof n.init!="undefined"&&n.init()})(window),function(e,t){"use strict";var n=e.console||t,r=e.document,i=e.navigator,s=!1,o=e.setTimeout,u=e.clearTimeout,a=e.setInterval,f=e.clearInterval,l=e.JSON,c=e.alert,h=e.History=e.History||{},p=e.history;try{s=e.sessionStorage,s.setItem("TEST","1"),s.removeItem("TEST")}catch(d){s=!1}l.stringify=l.stringify||l.encode,l.parse=l.parse||l.decode;if(typeof h.init!="undefined")throw new Error("History.js Core has already been loaded...");h.init=function(e){return typeof h.Adapter=="undefined"?!1:(typeof h.initCore!="undefined"&&h.initCore(),typeof h.initHtml4!="undefined"&&h.initHtml4(),!0)},h.initCore=function(d){if(typeof h.initCore.initialized!="undefined")return!1;h.initCore.initialized=!0,h.options=h.options||{},h.options.hashChangeInterval=h.options.hashChangeInterval||100,h.options.safariPollInterval=h.options.safariPollInterval||500,h.options.doubleCheckInterval=h.options.doubleCheckInterval||500,h.options.disableSuid=h.options.disableSuid||!1,h.options.storeInterval=h.options.storeInterval||1e3,h.options.busyDelay=h.options.busyDelay||250,h.options.debug=h.options.debug||!1,h.options.initialTitle=h.options.initialTitle||r.title,h.options.html4Mode=h.options.html4Mode||!1,h.options.delayInit=h.options.delayInit||!1,h.intervalList=[],h.clearAllIntervals=function(){var e,t=h.intervalList;if(typeof t!="undefined"&&t!==null){for(e=0;e<t.length;e++)f(t[e]);h.intervalList=null}},h.debug=function(){(h.options.debug||!1)&&h.log.apply(h,arguments)},h.log=function(){var e=typeof n!="undefined"&&typeof n.log!="undefined"&&typeof n.log.apply!="undefined",t=r.getElementById("log"),i,s,o,u,a;e?(u=Array.prototype.slice.call(arguments),i=u.shift(),typeof n.debug!="undefined"?n.debug.apply(n,[i,u]):n.log.apply(n,[i,u])):i="\n"+arguments[0]+"\n";for(s=1,o=arguments.length;s<o;++s){a=arguments[s];if(typeof a=="object"&&typeof l!="undefined")try{a=l.stringify(a)}catch(f){}i+="\n"+a+"\n"}return t?(t.value+=i+"\n-----\n",t.scrollTop=t.scrollHeight-t.clientHeight):e||c(i),!0},h.getInternetExplorerMajorVersion=function(){var e=h.getInternetExplorerMajorVersion.cached=typeof h.getInternetExplorerMajorVersion.cached!="undefined"?h.getInternetExplorerMajorVersion.cached:function(){var e=3,t=r.createElement("div"),n=t.getElementsByTagName("i");while((t.innerHTML="<!--[if gt IE "+ ++e+"]><i></i><![endif]-->")&&n[0]);return e>4?e:!1}();return e},h.isInternetExplorer=function(){var e=h.isInternetExplorer.cached=typeof h.isInternetExplorer.cached!="undefined"?h.isInternetExplorer.cached:Boolean(h.getInternetExplorerMajorVersion());return e},h.options.html4Mode?h.emulated={pushState:!0,hashChange:!0}:h.emulated={pushState:!Boolean(e.history&&e.history.pushState&&e.history.replaceState&&!/ Mobile\/([1-7][a-z]|(8([abcde]|f(1[0-8]))))/i.test(i.userAgent)&&!/AppleWebKit\/5([0-2]|3[0-2])/i.test(i.userAgent)),hashChange:Boolean(!("onhashchange"in e||"onhashchange"in r)||h.isInternetExplorer()&&h.getInternetExplorerMajorVersion()<8)},h.enabled=!h.emulated.pushState,h.bugs={setHash:Boolean(!h.emulated.pushState&&i.vendor==="Apple Computer, Inc."&&/AppleWebKit\/5([0-2]|3[0-3])/.test(i.userAgent)),safariPoll:Boolean(!h.emulated.pushState&&i.vendor==="Apple Computer, Inc."&&/AppleWebKit\/5([0-2]|3[0-3])/.test(i.userAgent)),ieDoubleCheck:Boolean(h.isInternetExplorer()&&h.getInternetExplorerMajorVersion()<8),hashEscape:Boolean(h.isInternetExplorer()&&h.getInternetExplorerMajorVersion()<7)},h.isEmptyObject=function(e){for(var t in e)if(e.hasOwnProperty(t))return!1;return!0},h.cloneObject=function(e){var t,n;return e?(t=l.stringify(e),n=l.parse(t)):n={},n},h.getRootUrl=function(){var e=r.location.protocol+"//"+(r.location.hostname||r.location.host);if(r.location.port||!1)e+=":"+r.location.port;return e+="/",e},h.getBaseHref=function(){var e=r.getElementsByTagName("base"),t=null,n="";return e.length===1&&(t=e[0],n=t.href.replace(/[^\/]+$/,"")),n=n.replace(/\/+$/,""),n&&(n+="/"),n},h.getBaseUrl=function(){var e=h.getBaseHref()||h.getBasePageUrl()||h.getRootUrl();return e},h.getPageUrl=function(){var e=h.getState(!1,!1),t=(e||{}).url||h.getLocationHref(),n;return n=t.replace(/\/+$/,"").replace(/[^\/]+$/,function(e,t,n){return/\./.test(e)?e:e+"/"}),n},h.getBasePageUrl=function(){var e=h.getLocationHref().replace(/[#\?].*/,"").replace(/[^\/]+$/,function(e,t,n){return/[^\/]$/.test(e)?"":e}).replace(/\/+$/,"")+"/";return e},h.getFullUrl=function(e,t){var n=e,r=e.substring(0,1);return t=typeof t=="undefined"?!0:t,/[a-z]+\:\/\//.test(e)||(r==="/"?n=h.getRootUrl()+e.replace(/^\/+/,""):r==="#"?n=h.getPageUrl().replace(/#.*/,"")+e:r==="?"?n=h.getPageUrl().replace(/[\?#].*/,"")+e:t?n=h.getBaseUrl()+e.replace(/^(\.\/)+/,""):n=h.getBasePageUrl()+e.replace(/^(\.\/)+/,"")),n.replace(/\#$/,"")},h.getShortUrl=function(e){var t=e,n=h.getBaseUrl(),r=h.getRootUrl();return h.emulated.pushState&&(t=t.replace(n,"")),t=t.replace(r,"/"),h.isTraditionalAnchor(t)&&(t="./"+t),t=t.replace(/^(\.\/)+/g,"./").replace(/\#$/,""),t},h.getLocationHref=function(e){return e=e||r,e.URL===e.location.href?e.location.href:e.location.href===decodeURIComponent(e.URL)?e.URL:e.location.hash&&decodeURIComponent(e.location.href.replace(/^[^#]+/,""))===e.location.hash?e.location.href:e.URL.indexOf("#")==-1&&e.location.href.indexOf("#")!=-1?e.location.href:e.URL||e.location.href},h.store={},h.idToState=h.idToState||{},h.stateToId=h.stateToId||{},h.urlToId=h.urlToId||{},h.storedStates=h.storedStates||[],h.savedStates=h.savedStates||[],h.normalizeStore=function(){h.store.idToState=h.store.idToState||{},h.store.urlToId=h.store.urlToId||{},h.store.stateToId=h.store.stateToId||{}},h.getState=function(e,t){typeof e=="undefined"&&(e=!0),typeof t=="undefined"&&(t=!0);var n=h.getLastSavedState();return!n&&t&&(n=h.createStateObject()),e&&(n=h.cloneObject(n),n.url=n.cleanUrl||n.url),n},h.getIdByState=function(e){var t=h.extractId(e.url),n;if(!t){n=h.getStateString(e);if(typeof h.stateToId[n]!="undefined")t=h.stateToId[n];else if(typeof h.store.stateToId[n]!="undefined")t=h.store.stateToId[n];else{for(;;){t=(new Date).getTime()+String(Math.random()).replace(/\D/g,"");if(typeof h.idToState[t]=="undefined"&&typeof h.store.idToState[t]=="undefined")break}h.stateToId[n]=t,h.idToState[t]=e}}return t},h.normalizeState=function(e){var t,n;if(!e||typeof e!="object")e={};if(typeof e.normalized!="undefined")return e;if(!e.data||typeof e.data!="object")e.data={};return t={},t.normalized=!0,t.title=e.title||"",t.url=h.getFullUrl(e.url?e.url:h.getLocationHref()),t.hash=h.getShortUrl(t.url),t.data=h.cloneObject(e.data),t.id=h.getIdByState(t),t.cleanUrl=t.url.replace(/\??\&_suid.*/,""),t.url=t.cleanUrl,n=!h.isEmptyObject(t.data),(t.title||n)&&h.options.disableSuid!==!0&&(t.hash=h.getShortUrl(t.url).replace(/\??\&_suid.*/,""),/\?/.test(t.hash)||(t.hash+="?"),t.hash+="&_suid="+t.id),t.hashedUrl=h.getFullUrl(t.hash),(h.emulated.pushState||h.bugs.safariPoll)&&h.hasUrlDuplicate(t)&&(t.url=t.hashedUrl),t},h.createStateObject=function(e,t,n){var r={data:e,title:t,url:n};return r=h.normalizeState(r),r},h.getStateById=function(e){e=String(e);var n=h.idToState[e]||h.store.idToState[e]||t;return n},h.getStateString=function(e){var t,n,r;return t=h.normalizeState(e),n={data:t.data,title:e.title,url:e.url},r=l.stringify(n),r},h.getStateId=function(e){var t,n;return t=h.normalizeState(e),n=t.id,n},h.getHashByState=function(e){var t,n;return t=h.normalizeState(e),n=t.hash,n},h.extractId=function(e){var t,n,r,i;return e.indexOf("#")!=-1?i=e.split("#")[0]:i=e,n=/(.*)\&_suid=([0-9]+)$/.exec(i),r=n?n[1]||e:e,t=n?String(n[2]||""):"",t||!1},h.isTraditionalAnchor=function(e){var t=!/[\/\?\.]/.test(e);return t},h.extractState=function(e,t){var n=null,r,i;return t=t||!1,r=h.extractId(e),r&&(n=h.getStateById(r)),n||(i=h.getFullUrl(e),r=h.getIdByUrl(i)||!1,r&&(n=h.getStateById(r)),!n&&t&&!h.isTraditionalAnchor(e)&&(n=h.createStateObject(null,null,i))),n},h.getIdByUrl=function(e){var n=h.urlToId[e]||h.store.urlToId[e]||t;return n},h.getLastSavedState=function(){return h.savedStates[h.savedStates.length-1]||t},h.getLastStoredState=function(){return h.storedStates[h.storedStates.length-1]||t},h.hasUrlDuplicate=function(e){var t=!1,n;return n=h.extractState(e.url),t=n&&n.id!==e.id,t},h.storeState=function(e){return h.urlToId[e.url]=e.id,h.storedStates.push(h.cloneObject(e)),e},h.isLastSavedState=function(e){var t=!1,n,r,i;return h.savedStates.length&&(n=e.id,r=h.getLastSavedState(),i=r.id,t=n===i),t},h.saveState=function(e){return h.isLastSavedState(e)?!1:(h.savedStates.push(h.cloneObject(e)),!0)},h.getStateByIndex=function(e){var t=null;return typeof e=="undefined"?t=h.savedStates[h.savedStates.length-1]:e<0?t=h.savedStates[h.savedStates.length+e]:t=h.savedStates[e],t},h.getCurrentIndex=function(){var e=null;return h.savedStates.length<1?e=0:e=h.savedStates.length-1,e},h.getHash=function(e){var t=h.getLocationHref(e),n;return n=h.getHashByUrl(t),n},h.unescapeHash=function(e){var t=h.normalizeHash(e);return t=decodeURIComponent(t),t},h.normalizeHash=function(e){var t=e.replace(/[^#]*#/,"").replace(/#.*/,"");return t},h.setHash=function(e,t){var n,i;return t!==!1&&h.busy()?(h.pushQueue({scope:h,callback:h.setHash,args:arguments,queue:t}),!1):(h.busy(!0),n=h.extractState(e,!0),n&&!h.emulated.pushState?h.pushState(n.data,n.title,n.url,!1):h.getHash()!==e&&(h.bugs.setHash?(i=h.getPageUrl(),h.pushState(null,null,i+"#"+e,!1)):r.location.hash=e),h)},h.escapeHash=function(t){var n=h.normalizeHash(t);return n=e.encodeURIComponent(n),h.bugs.hashEscape||(n=n.replace(/\%21/g,"!").replace(/\%26/g,"&").replace(/\%3D/g,"=").replace(/\%3F/g,"?")),n},h.getHashByUrl=function(e){var t=String(e).replace(/([^#]*)#?([^#]*)#?(.*)/,"$2");return t=h.unescapeHash(t),t},h.setTitle=function(e){var t=e.title,n;t||(n=h.getStateByIndex(0),n&&n.url===e.url&&(t=n.title||h.options.initialTitle));try{r.getElementsByTagName("title")[0].innerHTML=t.replace("<","&lt;").replace(">","&gt;").replace(" & "," &amp; ")}catch(i){}return r.title=t,h},h.queues=[],h.busy=function(e){typeof e!="undefined"?h.busy.flag=e:typeof h.busy.flag=="undefined"&&(h.busy.flag=!1);if(!h.busy.flag){u(h.busy.timeout);var t=function(){var e,n,r;if(h.busy.flag)return;for(e=h.queues.length-1;e>=0;--e){n=h.queues[e];if(n.length===0)continue;r=n.shift(),h.fireQueueItem(r),h.busy.timeout=o(t,h.options.busyDelay)}};h.busy.timeout=o(t,h.options.busyDelay)}return h.busy.flag},h.busy.flag=!1,h.fireQueueItem=function(e){return e.callback.apply(e.scope||h,e.args||[])},h.pushQueue=function(e){return h.queues[e.queue||0]=h.queues[e.queue||0]||[],h.queues[e.queue||0].push(e),h},h.queue=function(e,t){return typeof e=="function"&&(e={callback:e}),typeof t!="undefined"&&(e.queue=t),h.busy()?h.pushQueue(e):h.fireQueueItem(e),h},h.clearQueue=function(){return h.busy.flag=!1,h.queues=[],h},h.stateChanged=!1,h.doubleChecker=!1,h.doubleCheckComplete=function(){return h.stateChanged=!0,h.doubleCheckClear(),h},h.doubleCheckClear=function(){return h.doubleChecker&&(u(h.doubleChecker),h.doubleChecker=!1),h},h.doubleCheck=function(e){return h.stateChanged=!1,h.doubleCheckClear(),h.bugs.ieDoubleCheck&&(h.doubleChecker=o(function(){return h.doubleCheckClear(),h.stateChanged||e(),!0},h.options.doubleCheckInterval)),h},h.safariStatePoll=function(){var t=h.extractState(h.getLocationHref()),n;if(!h.isLastSavedState(t))return n=t,n||(n=h.createStateObject()),h.Adapter.trigger(e,"popstate"),h;return},h.back=function(e){return e!==!1&&h.busy()?(h.pushQueue({scope:h,callback:h.back,args:arguments,queue:e}),!1):(h.busy(!0),h.doubleCheck(function(){h.back(!1)}),p.go(-1),!0)},h.forward=function(e){return e!==!1&&h.busy()?(h.pushQueue({scope:h,callback:h.forward,args:arguments,queue:e}),!1):(h.busy(!0),h.doubleCheck(function(){h.forward(!1)}),p.go(1),!0)},h.go=function(e,t){var n;if(e>0)for(n=1;n<=e;++n)h.forward(t);else{if(!(e<0))throw new Error("History.go: History.go requires a positive or negative integer passed.");for(n=-1;n>=e;--n)h.back(t)}return h};if(h.emulated.pushState){var v=function(){};h.pushState=h.pushState||v,h.replaceState=h.replaceState||v}else h.onPopState=function(t,n){var r=!1,i=!1,s,o;return h.doubleCheckComplete(),s=h.getHash(),s?(o=h.extractState(s||h.getLocationHref(),!0),o?h.replaceState(o.data,o.title,o.url,!1):(h.Adapter.trigger(e,"anchorchange"),h.busy(!1)),h.expectedStateId=!1,!1):(r=h.Adapter.extractEventData("state",t,n)||!1,r?i=h.getStateById(r):h.expectedStateId?i=h.getStateById(h.expectedStateId):i=h.extractState(h.getLocationHref()),i||(i=h.createStateObject(null,null,h.getLocationHref())),h.expectedStateId=!1,h.isLastSavedState(i)?(h.busy(!1),!1):(h.storeState(i),h.saveState(i),h.setTitle(i),h.Adapter.trigger(e,"statechange"),h.busy(!1),!0))},h.Adapter.bind(e,"popstate",h.onPopState),h.pushState=function(t,n,r,i){if(h.getHashByUrl(r)&&h.emulated.pushState)throw new Error("History.js does not support states with fragement-identifiers (hashes/anchors).");if(i!==!1&&h.busy())return h.pushQueue({scope:h,callback:h.pushState,args:arguments,queue:i}),!1;h.busy(!0);var s=h.createStateObject(t,n,r);return h.isLastSavedState(s)?h.busy(!1):(h.storeState(s),h.expectedStateId=s.id,p.pushState(s.id,s.title,s.url),h.Adapter.trigger(e,"popstate")),!0},h.replaceState=function(t,n,r,i){if(h.getHashByUrl(r)&&h.emulated.pushState)throw new Error("History.js does not support states with fragement-identifiers (hashes/anchors).");if(i!==!1&&h.busy())return h.pushQueue({scope:h,callback:h.replaceState,args:arguments,queue:i}),!1;h.busy(!0);var s=h.createStateObject(t,n,r);return h.isLastSavedState(s)?h.busy(!1):(h.storeState(s),h.expectedStateId=s.id,p.replaceState(s.id,s.title,s.url),h.Adapter.trigger(e,"popstate")),!0};if(s){try{h.store=l.parse(s.getItem("History.store"))||{}}catch(m){h.store={}}h.normalizeStore()}else h.store={},h.normalizeStore();h.Adapter.bind(e,"unload",h.clearAllIntervals),h.saveState(h.storeState(h.extractState(h.getLocationHref(),!0))),s&&(h.onUnload=function(){var e,t,n;try{e=l.parse(s.getItem("History.store"))||{}}catch(r){e={}}e.idToState=e.idToState||{},e.urlToId=e.urlToId||{},e.stateToId=e.stateToId||{};for(t in h.idToState){if(!h.idToState.hasOwnProperty(t))continue;e.idToState[t]=h.idToState[t]}for(t in h.urlToId){if(!h.urlToId.hasOwnProperty(t))continue;e.urlToId[t]=h.urlToId[t]}for(t in h.stateToId){if(!h.stateToId.hasOwnProperty(t))continue;e.stateToId[t]=h.stateToId[t]}h.store=e,h.normalizeStore(),n=l.stringify(e);try{s.setItem("History.store",n)}catch(i){if(i.code!==DOMException.QUOTA_EXCEEDED_ERR)throw i;s.length&&(s.removeItem("History.store"),s.setItem("History.store",n))}},h.intervalList.push(a(h.onUnload,h.options.storeInterval)),h.Adapter.bind(e,"beforeunload",h.onUnload),h.Adapter.bind(e,"unload",h.onUnload));if(!h.emulated.pushState){h.bugs.safariPoll&&h.intervalList.push(a(h.safariStatePoll,h.options.safariPollInterval));if(i.vendor==="Apple Computer, Inc."||(i.appCodeName||"")==="Mozilla")h.Adapter.bind(e,"hashchange",function(){h.Adapter.trigger(e,"popstate")}),h.getHash()&&h.Adapter.onDomLoad(function(){h.Adapter.trigger(e,"hashchange")})}},(!h.options||!h.options.delayInit)&&h.init()}(window)