--- /dev/null
+BrowserHistoryUtils = {
+ addEvent: function(elm, evType, fn, useCapture) {
+ useCapture = useCapture || false;
+ if (elm.addEventListener) {
+ elm.addEventListener(evType, fn, useCapture);
+ return true;
+ }
+ else if (elm.attachEvent) {
+ var r = elm.attachEvent('on' + evType, fn);
+ return r;
+ }
+ else {
+ elm['on' + evType] = fn;
+ }
+ }
+}
+
+BrowserHistory = (function() {
+ // type of browser
+ var browser = {
+ ie: false,
+ firefox: false,
+ safari: false,
+ opera: false,
+ version: -1
+ };
+
+ // if setDefaultURL has been called, our first clue
+ // that the SWF is ready and listening
+ //var swfReady = false;
+
+ // the URL we'll send to the SWF once it is ready
+ //var pendingURL = '';
+
+ // Default app state URL to use when no fragment ID present
+ var defaultHash = '';
+
+ // Last-known app state URL
+ var currentHref = document.location.href;
+
+ // Initial URL (used only by IE)
+ var initialHref = document.location.href;
+
+ // Initial URL (used only by IE)
+ var initialHash = document.location.hash;
+
+ // History frame source URL prefix (used only by IE)
+ var historyFrameSourcePrefix = 'history/historyFrame.html?';
+
+ // History maintenance (used only by Safari)
+ var currentHistoryLength = -1;
+
+ var historyHash = [];
+
+ var initialState = createState(initialHref, initialHref + '#' + initialHash, initialHash);
+
+ var backStack = [];
+ var forwardStack = [];
+
+ var currentObjectId = null;
+
+ //UserAgent detection
+ var useragent = navigator.userAgent.toLowerCase();
+
+ if (useragent.indexOf("opera") != -1) {
+ browser.opera = true;
+ } else if (useragent.indexOf("msie") != -1) {
+ browser.ie = true;
+ browser.version = parseFloat(useragent.substring(useragent.indexOf('msie') + 4));
+ } else if (useragent.indexOf("safari") != -1) {
+ browser.safari = true;
+ browser.version = parseFloat(useragent.substring(useragent.indexOf('safari') + 7));
+ } else if (useragent.indexOf("gecko") != -1) {
+ browser.firefox = true;
+ }
+
+ if (browser.ie == true && browser.version == 7) {
+ window["_ie_firstload"] = false;
+ }
+
+ // Accessor functions for obtaining specific elements of the page.
+ function getHistoryFrame()
+ {
+ return document.getElementById('ie_historyFrame');
+ }
+
+ function getAnchorElement()
+ {
+ return document.getElementById('firefox_anchorDiv');
+ }
+
+ function getFormElement()
+ {
+ return document.getElementById('safari_formDiv');
+ }
+
+ function getRememberElement()
+ {
+ return document.getElementById("safari_remember_field");
+ }
+
+ // Get the Flash player object for performing ExternalInterface callbacks.
+ // Updated for changes to SWFObject2.
+ function getPlayer(id) {
+ if (id && document.getElementById(id)) {
+ var r = document.getElementById(id);
+ if (typeof r.SetVariable != "undefined") {
+ return r;
+ }
+ else {
+ var o = r.getElementsByTagName("object");
+ var e = r.getElementsByTagName("embed");
+ if (o.length > 0 && typeof o[0].SetVariable != "undefined") {
+ return o[0];
+ }
+ else if (e.length > 0 && typeof e[0].SetVariable != "undefined") {
+ return e[0];
+ }
+ }
+ }
+ else {
+ var o = document.getElementsByTagName("object");
+ var e = document.getElementsByTagName("embed");
+ if (e.length > 0 && typeof e[0].SetVariable != "undefined") {
+ return e[0];
+ }
+ else if (o.length > 0 && typeof o[0].SetVariable != "undefined") {
+ return o[0];
+ }
+ else if (o.length > 1 && typeof o[1].SetVariable != "undefined") {
+ return o[1];
+ }
+ }
+ return undefined;
+ }
+
+ function getPlayers() {
+ var players = [];
+ if (players.length == 0) {
+ var tmp = document.getElementsByTagName('object');
+ players = tmp;
+ }
+
+ if (players.length == 0 || players[0].object == null) {
+ var tmp = document.getElementsByTagName('embed');
+ players = tmp;
+ }
+ return players;
+ }
+
+ function getIframeHash() {
+ var doc = getHistoryFrame().contentWindow.document;
+ var hash = String(doc.location.search);
+ if (hash.length == 1 && hash.charAt(0) == "?") {
+ hash = "";
+ }
+ else if (hash.length >= 2 && hash.charAt(0) == "?") {
+ hash = hash.substring(1);
+ }
+ return hash;
+ }
+
+ /* Get the current location hash excluding the '#' symbol. */
+ function getHash() {
+ // It would be nice if we could use document.location.hash here,
+ // but it's faulty sometimes.
+ var idx = document.location.href.indexOf('#');
+ return (idx >= 0) ? document.location.href.substr(idx+1) : '';
+ }
+
+ /* Get the current location hash excluding the '#' symbol. */
+ function setHash(hash) {
+ // It would be nice if we could use document.location.hash here,
+ // but it's faulty sometimes.
+ if (hash == '') hash = '#'
+ document.location.hash = hash;
+ }
+
+ function createState(baseUrl, newUrl, flexAppUrl) {
+ return { 'baseUrl': baseUrl, 'newUrl': newUrl, 'flexAppUrl': flexAppUrl, 'title': null };
+ }
+
+ /* Add a history entry to the browser.
+ * baseUrl: the portion of the location prior to the '#'
+ * newUrl: the entire new URL, including '#' and following fragment
+ * flexAppUrl: the portion of the location following the '#' only
+ */
+ function addHistoryEntry(baseUrl, newUrl, flexAppUrl) {
+
+ //delete all the history entries
+ forwardStack = [];
+
+ if (browser.ie) {
+ //Check to see if we are being asked to do a navigate for the first
+ //history entry, and if so ignore, because it's coming from the creation
+ //of the history iframe
+ if (flexAppUrl == defaultHash && document.location.href == initialHref && window['_ie_firstload']) {
+ currentHref = initialHref;
+ return;
+ }
+ if ((!flexAppUrl || flexAppUrl == defaultHash) && window['_ie_firstload']) {
+ newUrl = baseUrl + '#' + defaultHash;
+ flexAppUrl = defaultHash;
+ } else {
+ // for IE, tell the history frame to go somewhere without a '#'
+ // in order to get this entry into the browser history.
+ getHistoryFrame().src = historyFrameSourcePrefix + flexAppUrl;
+ }
+ setHash(flexAppUrl);
+ } else {
+
+ //ADR
+ if (backStack.length == 0 && initialState.flexAppUrl == flexAppUrl) {
+ initialState = createState(baseUrl, newUrl, flexAppUrl);
+ } else if(backStack.length > 0 && backStack[backStack.length - 1].flexAppUrl == flexAppUrl) {
+ backStack[backStack.length - 1] = createState(baseUrl, newUrl, flexAppUrl);
+ }
+
+ if (browser.safari) {
+ // for Safari, submit a form whose action points to the desired URL
+ if (browser.version <= 419.3) {
+ var file = window.location.pathname.toString();
+ file = file.substring(file.lastIndexOf("/")+1);
+ getFormElement().innerHTML = '<form name="historyForm" action="'+file+'#' + flexAppUrl + '" method="GET"></form>';
+ //get the current elements and add them to the form
+ var qs = window.location.search.substring(1);
+ var qs_arr = qs.split("&");
+ for (var i = 0; i < qs_arr.length; i++) {
+ var tmp = qs_arr[i].split("=");
+ var elem = document.createElement("input");
+ elem.type = "hidden";
+ elem.name = tmp[0];
+ elem.value = tmp[1];
+ document.forms.historyForm.appendChild(elem);
+ }
+ document.forms.historyForm.submit();
+ } else {
+ top.location.hash = flexAppUrl;
+ }
+ // We also have to maintain the history by hand for Safari
+ historyHash[history.length] = flexAppUrl;
+ _storeStates();
+ } else {
+ // Otherwise, write an anchor into the page and tell the browser to go there
+ addAnchor(flexAppUrl);
+ setHash(flexAppUrl);
+ }
+ }
+ backStack.push(createState(baseUrl, newUrl, flexAppUrl));
+ }
+
+ function _storeStates() {
+ if (browser.safari) {
+ getRememberElement().value = historyHash.join(",");
+ }
+ }
+
+ function handleBackButton() {
+ //The "current" page is always at the top of the history stack.
+ var current = backStack.pop();
+ if (!current) { return; }
+ var last = backStack[backStack.length - 1];
+ if (!last && backStack.length == 0){
+ last = initialState;
+ }
+ forwardStack.push(current);
+ }
+
+ function handleForwardButton() {
+ //summary: private method. Do not call this directly.
+
+ var last = forwardStack.pop();
+ if (!last) { return; }
+ backStack.push(last);
+ }
+
+ function handleArbitraryUrl() {
+ //delete all the history entries
+ forwardStack = [];
+ }
+
+ /* Called periodically to poll to see if we need to detect navigation that has occurred */
+ function checkForUrlChange() {
+
+ if (browser.ie) {
+ if (currentHref != document.location.href && currentHref + '#' != document.location.href) {
+ //This occurs when the user has navigated to a specific URL
+ //within the app, and didn't use browser back/forward
+ //IE seems to have a bug where it stops updating the URL it
+ //shows the end-user at this point, but programatically it
+ //appears to be correct. Do a full app reload to get around
+ //this issue.
+ if (browser.version < 7) {
+ currentHref = document.location.href;
+ document.location.reload();
+ } else {
+ if (getHash() != getIframeHash()) {
+ // this.iframe.src = this.blankURL + hash;
+ var sourceToSet = historyFrameSourcePrefix + getHash();
+ getHistoryFrame().src = sourceToSet;
+ }
+ }
+ }
+ }
+
+ if (browser.safari) {
+ // For Safari, we have to check to see if history.length changed.
+ if (currentHistoryLength >= 0 && history.length != currentHistoryLength) {
+ //alert("did change: " + history.length + ", " + historyHash.length + "|" + historyHash[history.length] + "|>" + historyHash.join("|"));
+ // If it did change, then we have to look the old state up
+ // in our hand-maintained array since document.location.hash
+ // won't have changed, then call back into BrowserManager.
+ currentHistoryLength = history.length;
+ var flexAppUrl = historyHash[currentHistoryLength];
+ if (flexAppUrl == '') {
+ //flexAppUrl = defaultHash;
+ }
+ //ADR: to fix multiple
+ if (typeof BrowserHistory_multiple != "undefined" && BrowserHistory_multiple == true) {
+ var pl = getPlayers();
+ for (var i = 0; i < pl.length; i++) {
+ pl[i].browserURLChange(flexAppUrl);
+ }
+ } else {
+ getPlayer().browserURLChange(flexAppUrl);
+ }
+ _storeStates();
+ }
+ }
+ if (browser.firefox) {
+ if (currentHref != document.location.href) {
+ var bsl = backStack.length;
+
+ var urlActions = {
+ back: false,
+ forward: false,
+ set: false
+ }
+
+ if ((window.location.hash == initialHash || window.location.href == initialHref) && (bsl == 1)) {
+ urlActions.back = true;
+ // FIXME: could this ever be a forward button?
+ // we can't clear it because we still need to check for forwards. Ugg.
+ // clearInterval(this.locationTimer);
+ handleBackButton();
+ }
+
+ // first check to see if we could have gone forward. We always halt on
+ // a no-hash item.
+ if (forwardStack.length > 0) {
+ if (forwardStack[forwardStack.length-1].flexAppUrl == getHash()) {
+ urlActions.forward = true;
+ handleForwardButton();
+ }
+ }
+
+ // ok, that didn't work, try someplace back in the history stack
+ if ((bsl >= 2) && (backStack[bsl - 2])) {
+ if (backStack[bsl - 2].flexAppUrl == getHash()) {
+ urlActions.back = true;
+ handleBackButton();
+ }
+ }
+
+ if (!urlActions.back && !urlActions.forward) {
+ var foundInStacks = {
+ back: -1,
+ forward: -1
+ }
+
+ for (var i = 0; i < backStack.length; i++) {
+ if (backStack[i].flexAppUrl == getHash() && i != (bsl - 2)) {
+ arbitraryUrl = true;
+ foundInStacks.back = i;
+ }
+ }
+ for (var i = 0; i < forwardStack.length; i++) {
+ if (forwardStack[i].flexAppUrl == getHash() && i != (bsl - 2)) {
+ arbitraryUrl = true;
+ foundInStacks.forward = i;
+ }
+ }
+ handleArbitraryUrl();
+ }
+
+ // Firefox changed; do a callback into BrowserManager to tell it.
+ currentHref = document.location.href;
+ var flexAppUrl = getHash();
+ if (flexAppUrl == '') {
+ //flexAppUrl = defaultHash;
+ }
+ //ADR: to fix multiple
+ if (typeof BrowserHistory_multiple != "undefined" && BrowserHistory_multiple == true) {
+ var pl = getPlayers();
+ for (var i = 0; i < pl.length; i++) {
+ pl[i].browserURLChange(flexAppUrl);
+ }
+ } else {
+ getPlayer().browserURLChange(flexAppUrl);
+ }
+ }
+ }
+ //setTimeout(checkForUrlChange, 50);
+ }
+
+ /* Write an anchor into the page to legitimize it as a URL for Firefox et al. */
+ function addAnchor(flexAppUrl)
+ {
+ if (document.getElementsByName(flexAppUrl).length == 0) {
+ getAnchorElement().innerHTML += "<a name='" + flexAppUrl + "'>" + flexAppUrl + "</a>";
+ }
+ }
+
+ var _initialize = function () {
+ if (browser.ie)
+ {
+ var scripts = document.getElementsByTagName('script');
+ for (var i = 0, s; s = scripts[i]; i++) {
+ if (s.src.indexOf("history.js") > -1) {
+ var iframe_location = (new String(s.src)).replace("history.js", "historyFrame.html");
+ }
+ }
+ historyFrameSourcePrefix = iframe_location + "?";
+ var src = historyFrameSourcePrefix;
+
+ var iframe = document.createElement("iframe");
+ iframe.id = 'ie_historyFrame';
+ iframe.name = 'ie_historyFrame';
+ //iframe.src = historyFrameSourcePrefix;
+ try {
+ document.body.appendChild(iframe);
+ } catch(e) {
+ setTimeout(function() {
+ document.body.appendChild(iframe);
+ }, 0);
+ }
+ }
+
+ if (browser.safari)
+ {
+ var rememberDiv = document.createElement("div");
+ rememberDiv.id = 'safari_rememberDiv';
+ document.body.appendChild(rememberDiv);
+ rememberDiv.innerHTML = '<input type="text" id="safari_remember_field" style="width: 500px;">';
+
+ var formDiv = document.createElement("div");
+ formDiv.id = 'safari_formDiv';
+ document.body.appendChild(formDiv);
+
+ var reloader_content = document.createElement('div');
+ reloader_content.id = 'safarireloader';
+ var scripts = document.getElementsByTagName('script');
+ for (var i = 0, s; s = scripts[i]; i++) {
+ if (s.src.indexOf("history.js") > -1) {
+ html = (new String(s.src)).replace(".js", ".html");
+ }
+ }
+ reloader_content.innerHTML = '<iframe id="safarireloader-iframe" src="about:blank" frameborder="no" scrolling="no"></iframe>';
+ document.body.appendChild(reloader_content);
+ reloader_content.style.position = 'absolute';
+ reloader_content.style.left = reloader_content.style.top = '-9999px';
+ iframe = reloader_content.getElementsByTagName('iframe')[0];
+
+ if (document.getElementById("safari_remember_field").value != "" ) {
+ historyHash = document.getElementById("safari_remember_field").value.split(",");
+ }
+
+ }
+
+ if (browser.firefox)
+ {
+ var anchorDiv = document.createElement("div");
+ anchorDiv.id = 'firefox_anchorDiv';
+ document.body.appendChild(anchorDiv);
+ }
+
+ //setTimeout(checkForUrlChange, 50);
+ }
+
+ return {
+ historyHash: historyHash,
+ backStack: function() { return backStack; },
+ forwardStack: function() { return forwardStack },
+ getPlayer: getPlayer,
+ initialize: function(src) {
+ _initialize(src);
+ },
+ setURL: function(url) {
+ document.location.href = url;
+ },
+ getURL: function() {
+ return document.location.href;
+ },
+ getTitle: function() {
+ return document.title;
+ },
+ setTitle: function(title) {
+ try {
+ backStack[backStack.length - 1].title = title;
+ } catch(e) { }
+ //if on safari, set the title to be the empty string.
+ if (browser.safari) {
+ if (title == "") {
+ try {
+ var tmp = window.location.href.toString();
+ title = tmp.substring((tmp.lastIndexOf("/")+1), tmp.lastIndexOf("#"));
+ } catch(e) {
+ title = "";
+ }
+ }
+ }
+ document.title = title;
+ },
+ setDefaultURL: function(def)
+ {
+ defaultHash = def;
+ def = getHash();
+ //trailing ? is important else an extra frame gets added to the history
+ //when navigating back to the first page. Alternatively could check
+ //in history frame navigation to compare # and ?.
+ if (browser.ie)
+ {
+ window['_ie_firstload'] = true;
+ var sourceToSet = historyFrameSourcePrefix + def;
+ var func = function() {
+ getHistoryFrame().src = sourceToSet;
+ window.location.replace("#" + def);
+ setInterval(checkForUrlChange, 50);
+ }
+ try {
+ func();
+ } catch(e) {
+ window.setTimeout(function() { func(); }, 0);
+ }
+ }
+
+ if (browser.safari)
+ {
+ currentHistoryLength = history.length;
+ if (historyHash.length == 0) {
+ historyHash[currentHistoryLength] = def;
+ var newloc = "#" + def;
+ window.location.replace(newloc);
+ } else {
+ //alert(historyHash[historyHash.length-1]);
+ }
+ //setHash(def);
+ setInterval(checkForUrlChange, 50);
+ }
+
+
+ if (browser.firefox || browser.opera)
+ {
+ var reg = new RegExp("#" + def + "$");
+ if (window.location.toString().match(reg)) {
+ } else {
+ var newloc ="#" + def;
+ window.location.replace(newloc);
+ }
+ setInterval(checkForUrlChange, 50);
+ //setHash(def);
+ }
+
+ },
+
+ /* Set the current browser URL; called from inside BrowserManager to propagate
+ * the application state out to the container.
+ */
+ setBrowserURL: function(flexAppUrl, objectId) {
+ if (browser.ie && typeof objectId != "undefined") {
+ currentObjectId = objectId;
+ }
+ //fromIframe = fromIframe || false;
+ //fromFlex = fromFlex || false;
+ //alert("setBrowserURL: " + flexAppUrl);
+ //flexAppUrl = (flexAppUrl == "") ? defaultHash : flexAppUrl ;
+
+ var pos = document.location.href.indexOf('#');
+ var baseUrl = pos != -1 ? document.location.href.substr(0, pos) : document.location.href;
+ var newUrl = baseUrl + '#' + flexAppUrl;
+
+ if (document.location.href != newUrl && document.location.href + '#' != newUrl) {
+ currentHref = newUrl;
+ addHistoryEntry(baseUrl, newUrl, flexAppUrl);
+ currentHistoryLength = history.length;
+ }
+ },
+
+ browserURLChange: function(flexAppUrl) {
+ var objectId = null;
+ if (browser.ie && currentObjectId != null) {
+ objectId = currentObjectId;
+ }
+ pendingURL = '';
+
+ if (typeof BrowserHistory_multiple != "undefined" && BrowserHistory_multiple == true) {
+ var pl = getPlayers();
+ for (var i = 0; i < pl.length; i++) {
+ try {
+ pl[i].browserURLChange(flexAppUrl);
+ } catch(e) { }
+ }
+ } else {
+ try {
+ getPlayer(objectId).browserURLChange(flexAppUrl);
+ } catch(e) { }
+ }
+
+ currentObjectId = null;
+ },
+ getUserAgent: function() {
+ return navigator.userAgent;
+ },
+ getPlatform: function() {
+ return navigator.platform;
+ }
+
+ }
+
+})();
+
+// Initialization
+
+// Automated unit testing and other diagnostics
+
+function setURL(url)
+{
+ document.location.href = url;
+}
+
+function backButton()
+{
+ history.back();
+}
+
+function forwardButton()
+{
+ history.forward();
+}
+
+function goForwardOrBackInHistory(step)
+{
+ history.go(step);
+}
+
+//BrowserHistoryUtils.addEvent(window, "load", function() { BrowserHistory.initialize(); });
+(function(i) {
+ var u =navigator.userAgent;var e=/*@cc_on!@*/false;
+ var st = setTimeout;
+ if(/webkit/i.test(u)){
+ st(function(){
+ var dr=document.readyState;
+ if(dr=="loaded"||dr=="complete"){i()}
+ else{st(arguments.callee,10);}},10);
+ } else if((/mozilla/i.test(u)&&!/(compati)/.test(u)) || (/opera/i.test(u))){
+ document.addEventListener("DOMContentLoaded",i,false);
+ } else if(e){
+ (function(){
+ var t=document.createElement('doc:rdy');
+ try{t.doScroll('left');
+ i();t=null;
+ }catch(e){st(arguments.callee,0);}})();
+ } else{
+ window.onload=i;
+ }
+})( function() {BrowserHistory.initialize();} );