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