Modernisation du handle ajax racine. On utilise l'API html5 de l'objet history, et...

diff --git a/skins/ajax_scripts/root_handlers.js b/skins/ajax_scripts/root_handlers.js
index e114140..47ac1d7 100644 (file)
--- a/skins/ajax_scripts/root_handlers.js
+++ b/skins/ajax_scripts/root_handlers.js
@@ -1,4 +1,4 @@
-// © Benoît PIN 2006-2009
+// © Benoît PIN 2006-2013
 // http://plinn.org
 // Licence GPL
 // 
@@ -12,57 +12,10 @@ var AjaxLinkHandler;
 
 var reProtocol = /^\s*[a-z]+:/;
 
-AjaxLinkHandler = function(locationPollInterval) {
-       var thisHandler = this;
-       this.previousHash = '#' + location.href;
-       location.hash = location.href;
-       setInterval(function(){thisHandler.checkLocation();}, locationPollInterval)
-       addListener(document.body, 'click', function(evt){thisHandler.handleClick(evt);});
-       if (browser.isIE55 || browser.isIE6up) {
-               var ie_historyFrm = document.createElement('iframe');
-               ie_historyFrm.setAttribute('src', portal_url() + '/scrape_ie_history');
-               with (ie_historyFrm.style) {
-                       border="0";
-                       width="1px";
-                       height="1px";
-                       position="absolute";
-                       bottom="0";
-                       right="0";
-                       visibility="visible";
-               }
-               document.body.appendChild(ie_historyFrm);
-               this.historyFrame = ie_historyFrm;
-       }
-};
-
-AjaxLinkHandler.prototype.checkLocation = function() {
-       if ((this.previousHash != location.hash) && location.hash) {
-               var rawUrl = unescape(location.hash.slice(1));
-               
-               var urlHash = rawUrl.split('#');
-               var url = urlHash[0];
-               var hash = urlHash[1];
-               
-               var ajaxParams='ajax=1&_browserObjectUrl=' + escape(absolute_url());
-               var urlQueryStart = url.indexOf('?');
-               if (urlQueryStart != -1)
-                       url += '&' + ajaxParams;
-               else
-                       url += '?' + ajaxParams;
-
-               try {
-                       var fi = new FragmentImporter(url);
-                       if (hash) {
-                               var thisHandler = this;
-                               fi.onAfterPopulate = function(){thisHandler.loadHash('#' + hash);};
-                       }
-                       fi.load(rawUrl);
-               }
-               catch (e) {
-                       window.location.href = rawUrl;
-               }
-       }
-       this.previousHash = location.hash;
+AjaxLinkHandler = function() {
+       var self = this;
+       addListener(document.body, 'click', function(evt){self.handleClick(evt);});
+    addListener(window, 'popstate', function(evt){self.handlePopState(evt);});
 };
 
 AjaxLinkHandler.prototype.handleClick = function(evt){
@@ -73,16 +26,7 @@ AjaxLinkHandler.prototype.handleClick = function(evt){
                        return;
        }
        target.blur();
-       // prevent click glitches from IE :((
-       if (browser.isIE55 || browser.isIE6up) {
-               if (_disableRootClickHandler)
-                       return;
-               else {
-                       _disableRootClickHandler = true;
-                       setTimeout("_disableRootClickHandler=false", 100);
-               }
-       }
-       
+
        if (target.target)
                return;
                
@@ -99,40 +43,39 @@ AjaxLinkHandler.prototype.handleClick = function(evt){
                url = absolute_url() + '/' + target.getAttribute('href', 2);
        
        if (!url) return;
-       
-       if (browser.isGecko)
-               url = encodeURIComponent(url);
-       var query = target.search;
-       if ((query && query.search("noajax=1") != -1) || target.name == 'noajax')
-               return;
-       
-       disableDefault(evt);
-       this.loadUrl(url);
-};
 
-if (browser.isIE55 || browser.isIE6up) {
-       AjaxLinkHandler.prototype.loadUrl = function(url) {
-               if (location.hash.slice(1) == url)
-                       url += '#'
-               this.historyFrame.contentWindow.location.search = '?url=' + escape(url);
-               location.hash = escape(url);
-       };
-}
-else {
-       AjaxLinkHandler.prototype.loadUrl = function(url) {
-               if (location.hash.slice(1) == url)
-                       url += '#'
-               location.hash = escape(url);
-       };      
-}
+    var query = target.search;
+    if ((query && query.search("noajax=1") != -1) || target.name == 'noajax')
+        return;
+    
+    disableDefault(evt);
+    this.loadUrl(url);
+};
 
-AjaxLinkHandler.prototype.loadHash = function(hash) {
-       this.previousHash = hash;
-       location.hash = hash;
+AjaxLinkHandler.prototype.handlePopState = function (evt, extra) {
+    if (evt.state)
+        this.loadUrl(evt.state, true);
 };
 
-AjaxLinkHandler.prototype.ie_loadHistory = function(url) {
-       location.hash = escape(url);
+AjaxLinkHandler.prototype.loadUrl = function(url, noPush) {
+    var rawUrl = url;
+    var ajaxParams='ajax=1&_browserObjectUrl=' + escape(absolute_url());
+       var urlQueryStart = url.indexOf('?');
+       if (urlQueryStart != -1)
+               url += '&' + ajaxParams;
+       else
+               url += '?' + ajaxParams;
+       
+       try {
+               var fi = new FragmentImporter(url);
+               fi.load();
+       }
+       catch (e) {
+               window.location.href = rawUrl;
+               return;
+       }
+       if (!noPush)
+           history.pushState(rawUrl, '', rawUrl)
 };
 
 function ajaxSubmitFormHandler(evt) {
@@ -144,20 +87,15 @@ function ajaxSubmitFormHandler(evt) {
                        if (form.nodeName == 'FORM') {
                                var fm = new FormManager(form, document.getElementById("mainCell"));
                                fm.submitButton = target;
-                               //disableDefault(evt);
                                break;
                        }
                }
        }
-       
 }
 
 function _addRootHandlers() {
-       if ((AJAX_CONFIG & 1) == 1) {
+       if ((AJAX_CONFIG & 1) == 1 && history.pushState !== undefined) {
                window.linkHandler = new AjaxLinkHandler(200);
-           if (browser.isIE55 || browser.isIE6up) {
-               _disableRootClickHandler = false;
-           }
        }
        if ((AJAX_CONFIG & 2) == 2) {
                addListener(document, 'click', ajaxSubmitFormHandler);