toolkit/content/charsetOverlay.js

   1 function MultiplexHandler(event)
   2 {
   3     var node = event.target;
   4     var name = node.getAttribute('name');
   5
   6     if (name == 'detectorGroup') {
   7         SetForcedDetector(true);
   8         SelectDetector(event, false);
   9     } else if (name == 'charsetGroup') {
  10         var charset = node.getAttribute('id');
  11         charset = charset.substring('charset.'.length, charset.length)
  12         SetForcedCharset(charset);
  13     } else if (name == 'charsetCustomize') {
  14         //do nothing - please remove this else statement, once the charset prefs moves to the pref window
  15     } else {
  16         SetForcedCharset(node.getAttribute('id'));
  17     }
  18 }
  19
  20 function MailMultiplexHandler(event)
  21 {
  22     var node = event.target;
  23     var name = node.getAttribute('name');
  24
  25     if (name == 'detectorGroup') {
  26         SelectDetector(event, true);
  27     } else if (name == 'charsetGroup') {
  28         var charset = node.getAttribute('id');
  29         charset = charset.substring('charset.'.length, charset.length)
  30         MessengerSetForcedCharacterSet(charset);
  31     } else if (name == 'charsetCustomize') {
  32         //do nothing - please remove this else statement, once the charset prefs moves to the pref window
  33     } else {
  34         MessengerSetForcedCharacterSet(node.getAttribute('id'));
  35     }
  36 }
  37
  38 function ComposerMultiplexHandler(event)
  39 {
  40     var node = event.target;
  41     var name = node.getAttribute('name');
  42
  43     if (name == 'detectorGroup') {
  44         ComposerSelectDetector(event, true);
  45     } else if (name == 'charsetGroup') {
  46         var charset = node.getAttribute('id');
  47         charset = charset.substring('charset.'.length, charset.length)
  48         EditorSetDocumentCharacterSet(charset);
  49     } else if (name == 'charsetCustomize') {
  50         //do nothing - please remove this else statement, once the charset prefs moves to the pref window
  51     } else {
  52         SetForcedEditorCharset(node.getAttribute('id'));
  53     }
  54 }
  55
  56 function SelectDetector(event, doReload)
  57 {
  58     dump("Charset Detector menu item pressed: " + event.target.getAttribute('id') + "\n");
  59
  60     var uri =  event.target.getAttribute("id");
  61     var prefvalue = uri.substring('chardet.'.length, uri.length);
  62     if ("off" == prefvalue) { // "off" is special value to turn off the detectors
  63         prefvalue = "";
  64     }
  65
  66     try {
  67         var pref = Components.classes["@mozilla.org/preferences-service;1"]
  68                              .getService(Components.interfaces.nsIPrefBranch);
  69         var str =  Components.classes["@mozilla.org/supports-string;1"]
  70                              .createInstance(Components.interfaces.nsISupportsString);
  71
  72         str.data = prefvalue;
  73         pref.setComplexValue("intl.charset.detector",
  74                              Components.interfaces.nsISupportsString, str);
  75         if (doReload) window.content.location.reload();
  76     }
  77     catch (ex) {
  78         dump("Failed to set the intl.charset.detector preference.\n");
  79     }
  80 }
  81
  82 function ComposerSelectDetector(event)
  83 {
  84     //dump("Charset Detector menu item pressed: " + event.target.getAttribute('id') + "\n");
  85
  86     var uri =  event.target.getAttribute("id");
  87     var prefvalue = uri.substring('chardet.'.length, uri.length);
  88     if ("off" == prefvalue) { // "off" is special value to turn off the detectors
  89         prefvalue = "";
  90     }
  91
  92     try {
  93         var pref = Components.classes["@mozilla.org/preferences-service;1"]
  94                              .getService(Components.interfaces.nsIPrefBranch);
  95         var str =  Components.classes["@mozilla.org/supports-string;1"]
  96                              .createInstance(Components.interfaces.nsISupportsString);
  97
  98         str.data = prefvalue;
  99         pref.setComplexValue("intl.charset.detector",
 100                              Components.interfaces.nsISupportsString, str);
 101         EditorLoadUrl(GetDocumentUrl());
 102     }
 103     catch (ex) {
 104         dump("Failed to set the intl.charset.detector preference.\n");
 105     }
 106 }
 107
 108 function SetForcedDetector(doReload)
 109 {
 110     BrowserSetForcedDetector(doReload);
 111 }
 112
 113 function SetForcedCharset(charset)
 114 {
 115     BrowserSetForcedCharacterSet(charset);
 116 }
 117
 118 var gPrevCharset = null;
 119 function UpdateCurrentCharset()
 120 {
 121     // extract the charset from DOM
 122     var wnd = document.commandDispatcher.focusedWindow;
 123     if ((window == wnd) || (wnd == null)) wnd = window.content;
 124
 125     // Uncheck previous item
 126     if (gPrevCharset) {
 127         var pref_item = document.getElementById('charset.' + gPrevCharset);
 128         if (pref_item)
 129           pref_item.setAttribute('checked', 'false');
 130     }
 131
 132     var menuitem = document.getElementById('charset.' + wnd.document.characterSet);
 133     if (menuitem) {
 134         menuitem.setAttribute('checked', 'true');
 135     }
 136 }
 137
 138 function UpdateCurrentMailCharset()
 139 {
 140     var charset = msgWindow.mailCharacterSet;
 141     var menuitem = document.getElementById('charset.' + charset);
 142
 143     if (menuitem) {
 144         menuitem.setAttribute('checked', 'true');
 145     }
 146 }
 147
 148 function UpdateCharsetDetector()
 149 {
 150     var prefvalue;
 151
 152     try {
 153         var pref = Components.classes["@mozilla.org/preferences-service;1"]
 154                              .getService(Components.interfaces.nsIPrefBranch);
 155         prefvalue = pref.getComplexValue("intl.charset.detector",
 156                                          Components.interfaces.nsIPrefLocalizedString).data;
 157     }
 158     catch (ex) {
 159         prefvalue = "";
 160     }
 161
 162     if (prefvalue == "") prefvalue = "off";
 163     dump("intl.charset.detector = "+ prefvalue + "\n");
 164
 165     prefvalue = 'chardet.' + prefvalue;
 166     var menuitem = document.getElementById(prefvalue);
 167
 168     if (menuitem) {
 169         menuitem.setAttribute('checked', 'true');
 170     }
 171 }
 172
 173 function UpdateMenus(event)
 174 {
 175     // use setTimeout workaround to delay checkmark the menu
 176     // when onmenucomplete is ready then use it instead of oncreate
 177     // see bug 78290 for the detail
 178     UpdateCurrentCharset();
 179     setTimeout(UpdateCurrentCharset, 0);
 180     UpdateCharsetDetector();
 181     setTimeout(UpdateCharsetDetector, 0);
 182 }
 183
 184 function CreateMenu(node)
 185 {
 186   var observerService = Components.classes["@mozilla.org/observer-service;1"].getService(Components.interfaces.nsIObserverService);
 187   observerService.notifyObservers(null, "charsetmenu-selected", node);
 188 }
 189
 190 function UpdateMailMenus(event)
 191 {
 192     // use setTimeout workaround to delay checkmark the menu
 193     // when onmenucomplete is ready then use it instead of oncreate
 194     // see bug 78290 for the detail
 195     UpdateCurrentMailCharset();
 196     setTimeout(UpdateCurrentMailCharset, 0);
 197     UpdateCharsetDetector();
 198     setTimeout(UpdateCharsetDetector, 0);
 199 }
 200
 201 var gCharsetMenu = Components.classes['@mozilla.org/rdf/datasource;1?name=charset-menu'].getService().QueryInterface(Components.interfaces.nsICurrentCharsetListener);
 202 var gLastBrowserCharset = null;
 203
 204 function charsetLoadListener (event)
 205 {
 206     var charset = window.content.document.characterSet;
 207
 208     if (charset.length > 0 && (charset != gLastBrowserCharset)) {
 209         gCharsetMenu.SetCurrentCharset(charset);
 210         gPrevCharset = gLastBrowserCharset;
 211         gLastBrowserCharset = charset;
 212     }
 213 }
 214
 215
 216 function composercharsetLoadListener (event)
 217 {
 218     var charset = window.content.document.characterSet;
 219
 220
 221     if (charset.length > 0 ) {
 222        gCharsetMenu.SetCurrentComposerCharset(charset);
 223     }
 224  }
 225
 226 function SetForcedEditorCharset(charset)
 227 {
 228     if (charset.length > 0 ) {
 229        gCharsetMenu.SetCurrentComposerCharset(charset);
 230     }
 231     EditorSetDocumentCharacterSet(charset);
 232 }
 233
 234
 235 var gLastMailCharset = null;
 236
 237 function mailCharsetLoadListener (event)
 238 {
 239     if (msgWindow) {
 240         var charset = msgWindow.mailCharacterSet;
 241         if (charset.length > 0 && (charset != gLastMailCharset)) {
 242             gCharsetMenu.SetCurrentMailCharset(charset);
 243             gLastMailCharset = charset;
 244         }
 245     }
 246 }
 247
 248 var wintype = document.documentElement.getAttribute('windowtype');
 249 if (window && (wintype == "navigator:browser"))
 250 {
 251     var contentArea = window.document.getElementById("appcontent");
 252     if (contentArea)
 253         contentArea.addEventListener("pageshow", charsetLoadListener, true);
 254 }
 255 else
 256 {
 257     var arrayOfStrings = wintype.split(":");
 258     if (window && arrayOfStrings[0] == "mail")
 259     {
 260         var messageContent = window.document.getElementById("messagepane");
 261         if (messageContent)
 262             messageContent.addEventListener("pageshow", mailCharsetLoadListener, true);
 263     }
 264     else
 265     if (window && arrayOfStrings[0] == "composer")
 266     {
 267         contentArea = window.document.getElementById("appcontent");
 268         if (contentArea)
 269             contentArea.addEventListener("pageshow", composercharsetLoadListener, true);
 270     }
 271
 272 }