The Tor Browser: toolkit/content/charsetOverlay.js@6474c204b198 (annotated)

toolkit/content/charsetOverlay.js@6474c204b198 (annotated)

toolkit/content/charsetOverlay.js

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 function MultiplexHandler(aEvent)
 {
     MultiplexHandlerEx(
         aEvent,
         function Browser_SelectDetector(event) {
             BrowserCharsetReload();
             /* window.content.location.reload() will re-download everything */
             SelectDetector(event, null);
         },
         function Browser_SetForcedCharset(charset, isPredefined) {
             BrowserSetForcedCharacterSet(charset);
         }
     );
 }
 function MailMultiplexHandler(aEvent)
 {
     MultiplexHandlerEx(
         aEvent,
         function Mail_SelectDetector(event) {
             SelectDetector(
                 event,
                 function Mail_Reload() {
                     messenger.setDocumentCharset(msgWindow.mailCharacterSet);
                 }
             );
         },
         function Mail_SetForcedCharset(charset, isPredefined) {
             MessengerSetForcedCharacterSet(charset);
         }
     );
 }
 function ComposerMultiplexHandler(aEvent)
 {
     MultiplexHandlerEx(
         aEvent,
         function Composer_SelectDetector(event) {
             SelectDetector(
                 event,
                 function Composer_Reload() {
                     EditorLoadUrl(GetDocumentUrl());
                 }
             );
         },
         function Composer_SetForcedCharset(charset, isPredefined) {
             if ((!isPredefined) && charset.length > 0) {
                 gCharsetMenu.SetCurrentComposerCharset(charset);
             }
             EditorSetDocumentCharacterSet(charset);
         }
     );
 }
 function MultiplexHandlerEx(aEvent, aSelectDetector, aSetForcedCharset)
 {
     try {
         var node = aEvent.target;
         var name = node.getAttribute('name');
         if (name == 'detectorGroup') {
             aSelectDetector(aEvent);
         } else if (name == 'charsetGroup') {
             var charset = node.getAttribute('id');
             charset = charset.substring('charset.'.length, charset.length)
             aSetForcedCharset(charset, true);
         } else if (name == 'charsetCustomize') {
             //do nothing - please remove this else statement, once the charset prefs moves to the pref window
         } else {
             aSetForcedCharset(node.getAttribute('id'), false);
         }
     } catch(ex) {
         alert(ex);
     }
 }
 function SelectDetector(event, doReload)
 {
     dump("Charset Detector menu item pressed: " + event.target.getAttribute('id') + "\n");
     var uri =  event.target.getAttribute("id");
     var prefvalue = uri.substring('chardet.'.length, uri.length);
     if ("off" == prefvalue) { // "off" is special value to turn off the detectors
         prefvalue = "";
     }
     try {
         var pref = Components.classes["@mozilla.org/preferences-service;1"]
                              .getService(Components.interfaces.nsIPrefBranch);
         var str =  Components.classes["@mozilla.org/supports-string;1"]
                              .createInstance(Components.interfaces.nsISupportsString);
         str.data = prefvalue;
         pref.setComplexValue("intl.charset.detector",
                              Components.interfaces.nsISupportsString, str);
         if (typeof doReload == "function") doReload();
     }
     catch (ex) {
         dump("Failed to set the intl.charset.detector preference.\n");
     }
 }
 var gPrevCharset = null;
 function UpdateCurrentCharset()
 {
     // extract the charset from DOM
     var wnd = document.commandDispatcher.focusedWindow;
     if ((window == wnd) || (wnd == null)) wnd = window.content;
     // Uncheck previous item
     if (gPrevCharset) {
         var pref_item = document.getElementById('charset.' + gPrevCharset);
         if (pref_item)
           pref_item.setAttribute('checked', 'false');
     }
     var menuitem = document.getElementById('charset.' + wnd.document.characterSet);
     if (menuitem) {
         menuitem.setAttribute('checked', 'true');
     }
 }
 function UpdateCurrentMailCharset()
 {
     var charset = msgWindow.mailCharacterSet;
     var menuitem = document.getElementById('charset.' + charset);
     if (menuitem) {
         menuitem.setAttribute('checked', 'true');
     }
 }
 function UpdateCharsetDetector()
 {
     var prefvalue;
     try {
         var pref = Components.classes["@mozilla.org/preferences-service;1"]
                              .getService(Components.interfaces.nsIPrefBranch);
         prefvalue = pref.getComplexValue("intl.charset.detector",
                                          Components.interfaces.nsIPrefLocalizedString).data;
     }
     catch (ex) {
         prefvalue = "";
     }
     if (prefvalue == "") prefvalue = "off";
     dump("intl.charset.detector = "+ prefvalue + "\n");
     prefvalue = 'chardet.' + prefvalue;
     var menuitem = document.getElementById(prefvalue);
     if (menuitem) {
         menuitem.setAttribute('checked', 'true');
     }
 }
 function UpdateMenus(event)
 {
     // use setTimeout workaround to delay checkmark the menu
     // when onmenucomplete is ready then use it instead of oncreate
     // see bug 78290 for the detail
     UpdateCurrentCharset();
     setTimeout(UpdateCurrentCharset, 0);
     UpdateCharsetDetector();
     setTimeout(UpdateCharsetDetector, 0);
 }
 function CreateMenu(node)
 {
   var observerService = Components.classes["@mozilla.org/observer-service;1"].getService(Components.interfaces.nsIObserverService);
   observerService.notifyObservers(null, "charsetmenu-selected", node);
 }
 function UpdateMailMenus(event)
 {
     // use setTimeout workaround to delay checkmark the menu
     // when onmenucomplete is ready then use it instead of oncreate
     // see bug 78290 for the detail
     UpdateCurrentMailCharset();
     setTimeout(UpdateCurrentMailCharset, 0);
     UpdateCharsetDetector();
     setTimeout(UpdateCharsetDetector, 0);
 }
 var gCharsetMenu = Components.classes['@mozilla.org/rdf/datasource;1?name=charset-menu'].getService().QueryInterface(Components.interfaces.nsICurrentCharsetListener);
 var gLastBrowserCharset = null;
 function charsetLoadListener (event)
 {
     var charset = window.content.document.characterSet;
     if (charset.length > 0 && (charset != gLastBrowserCharset)) {
         gCharsetMenu.SetCurrentCharset(charset);
         gPrevCharset = gLastBrowserCharset;
         gLastBrowserCharset = charset;
     }
 }
 function composercharsetLoadListener (event)
 {
     var charset = window.content.document.characterSet;
     if (charset.length > 0 ) {
        gCharsetMenu.SetCurrentComposerCharset(charset);
     }
  }
 function SetForcedEditorCharset(charset)
 {
     if (charset.length > 0 ) {
        gCharsetMenu.SetCurrentComposerCharset(charset);
     }
     EditorSetDocumentCharacterSet(charset);
 }
 var gLastMailCharset = null;
 function mailCharsetLoadListener (event)
 {
     if (msgWindow) {
         var charset = msgWindow.mailCharacterSet;
         if (charset.length > 0 && (charset != gLastMailCharset)) {
             gCharsetMenu.SetCurrentMailCharset(charset);
             gLastMailCharset = charset;
         }
     }
 }
 function InitCharsetMenu()
 {
     removeEventListener("load", InitCharsetMenu, true);
     var wintype = document.documentElement.getAttribute('windowtype');
     if (window && (wintype == "navigator:browser"))
     {
         var contentArea = window.document.getElementById("appcontent");
         if (contentArea)
             contentArea.addEventListener("pageshow", charsetLoadListener, true);
     }
     else
     {
         var arrayOfStrings = wintype.split(":");
         if (window && arrayOfStrings[0] == "mail")
         {
             var messageContent = window.document.getElementById("messagepane");
             if (messageContent)
                 messageContent.addEventListener("pageshow", mailCharsetLoadListener, true);
         }
         else
         if (window && arrayOfStrings[0] == "composer")
         {
             contentArea = window.document.getElementById("appcontent");
             if (contentArea)
                 contentArea.addEventListener("pageshow", composercharsetLoadListener, true);
         }
     }
 }
 addEventListener("load", InitCharsetMenu, true);