toolkit/content/charsetOverlay.js

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/toolkit/content/charsetOverlay.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,267 @@
     1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.7 +
     1.8 +function MultiplexHandler(aEvent)
     1.9 +{
    1.10 +    MultiplexHandlerEx(
    1.11 +        aEvent,
    1.12 +        function Browser_SelectDetector(event) {
    1.13 +            BrowserCharsetReload();
    1.14 +            /* window.content.location.reload() will re-download everything */
    1.15 +            SelectDetector(event, null);
    1.16 +        },
    1.17 +        function Browser_SetForcedCharset(charset, isPredefined) {
    1.18 +            BrowserSetForcedCharacterSet(charset);
    1.19 +        }
    1.20 +    );
    1.21 +}
    1.22 +
    1.23 +function MailMultiplexHandler(aEvent)
    1.24 +{
    1.25 +    MultiplexHandlerEx(
    1.26 +        aEvent,
    1.27 +        function Mail_SelectDetector(event) {
    1.28 +            SelectDetector(
    1.29 +                event,
    1.30 +                function Mail_Reload() {
    1.31 +                    messenger.setDocumentCharset(msgWindow.mailCharacterSet);
    1.32 +                }
    1.33 +            );
    1.34 +        },
    1.35 +        function Mail_SetForcedCharset(charset, isPredefined) {
    1.36 +            MessengerSetForcedCharacterSet(charset);
    1.37 +        }
    1.38 +    );
    1.39 +}
    1.40 +
    1.41 +function ComposerMultiplexHandler(aEvent)
    1.42 +{
    1.43 +    MultiplexHandlerEx(
    1.44 +        aEvent,
    1.45 +        function Composer_SelectDetector(event) {
    1.46 +            SelectDetector(
    1.47 +                event,
    1.48 +                function Composer_Reload() {
    1.49 +                    EditorLoadUrl(GetDocumentUrl());
    1.50 +                }
    1.51 +            );
    1.52 +        },
    1.53 +        function Composer_SetForcedCharset(charset, isPredefined) {
    1.54 +            if ((!isPredefined) && charset.length > 0) {
    1.55 +                gCharsetMenu.SetCurrentComposerCharset(charset);
    1.56 +            }
    1.57 +            EditorSetDocumentCharacterSet(charset);
    1.58 +        }
    1.59 +    );
    1.60 +}
    1.61 +
    1.62 +function MultiplexHandlerEx(aEvent, aSelectDetector, aSetForcedCharset)
    1.63 +{
    1.64 +    try {
    1.65 +        var node = aEvent.target;
    1.66 +        var name = node.getAttribute('name');
    1.67 +
    1.68 +        if (name == 'detectorGroup') {
    1.69 +            aSelectDetector(aEvent);
    1.70 +        } else if (name == 'charsetGroup') {
    1.71 +            var charset = node.getAttribute('id');
    1.72 +            charset = charset.substring('charset.'.length, charset.length)
    1.73 +            aSetForcedCharset(charset, true);
    1.74 +        } else if (name == 'charsetCustomize') {
    1.75 +            //do nothing - please remove this else statement, once the charset prefs moves to the pref window
    1.76 +        } else {
    1.77 +            aSetForcedCharset(node.getAttribute('id'), false);
    1.78 +        }
    1.79 +    } catch(ex) {
    1.80 +        alert(ex);
    1.81 +    }
    1.82 +}
    1.83 +
    1.84 +function SelectDetector(event, doReload)
    1.85 +{
    1.86 +    dump("Charset Detector menu item pressed: " + event.target.getAttribute('id') + "\n");
    1.87 +
    1.88 +    var uri =  event.target.getAttribute("id");
    1.89 +    var prefvalue = uri.substring('chardet.'.length, uri.length);
    1.90 +    if ("off" == prefvalue) { // "off" is special value to turn off the detectors
    1.91 +        prefvalue = "";
    1.92 +    }
    1.93 +
    1.94 +    try {
    1.95 +        var pref = Components.classes["@mozilla.org/preferences-service;1"]
    1.96 +                             .getService(Components.interfaces.nsIPrefBranch);
    1.97 +        var str =  Components.classes["@mozilla.org/supports-string;1"]
    1.98 +                             .createInstance(Components.interfaces.nsISupportsString);
    1.99 +
   1.100 +        str.data = prefvalue;
   1.101 +        pref.setComplexValue("intl.charset.detector",
   1.102 +                             Components.interfaces.nsISupportsString, str);
   1.103 +        if (typeof doReload == "function") doReload();
   1.104 +    }
   1.105 +    catch (ex) {
   1.106 +        dump("Failed to set the intl.charset.detector preference.\n");
   1.107 +    }
   1.108 +}
   1.109 +
   1.110 +var gPrevCharset = null;
   1.111 +function UpdateCurrentCharset()
   1.112 +{
   1.113 +    // extract the charset from DOM
   1.114 +    var wnd = document.commandDispatcher.focusedWindow;
   1.115 +    if ((window == wnd) || (wnd == null)) wnd = window.content;
   1.116 +
   1.117 +    // Uncheck previous item
   1.118 +    if (gPrevCharset) {
   1.119 +        var pref_item = document.getElementById('charset.' + gPrevCharset);
   1.120 +        if (pref_item)
   1.121 +          pref_item.setAttribute('checked', 'false');
   1.122 +    }
   1.123 +
   1.124 +    var menuitem = document.getElementById('charset.' + wnd.document.characterSet);
   1.125 +    if (menuitem) {
   1.126 +        menuitem.setAttribute('checked', 'true');
   1.127 +    }
   1.128 +}
   1.129 +
   1.130 +function UpdateCurrentMailCharset()
   1.131 +{
   1.132 +    var charset = msgWindow.mailCharacterSet;
   1.133 +    var menuitem = document.getElementById('charset.' + charset);
   1.134 +
   1.135 +    if (menuitem) {
   1.136 +        menuitem.setAttribute('checked', 'true');
   1.137 +    }
   1.138 +}
   1.139 +
   1.140 +function UpdateCharsetDetector()
   1.141 +{
   1.142 +    var prefvalue;
   1.143 +
   1.144 +    try {
   1.145 +        var pref = Components.classes["@mozilla.org/preferences-service;1"]
   1.146 +                             .getService(Components.interfaces.nsIPrefBranch);
   1.147 +        prefvalue = pref.getComplexValue("intl.charset.detector",
   1.148 +                                         Components.interfaces.nsIPrefLocalizedString).data;
   1.149 +    }
   1.150 +    catch (ex) {
   1.151 +        prefvalue = "";
   1.152 +    }
   1.153 +
   1.154 +    if (prefvalue == "") prefvalue = "off";
   1.155 +    dump("intl.charset.detector = "+ prefvalue + "\n");
   1.156 +
   1.157 +    prefvalue = 'chardet.' + prefvalue;
   1.158 +    var menuitem = document.getElementById(prefvalue);
   1.159 +
   1.160 +    if (menuitem) {
   1.161 +        menuitem.setAttribute('checked', 'true');
   1.162 +    }
   1.163 +}
   1.164 +
   1.165 +function UpdateMenus(event)
   1.166 +{
   1.167 +    // use setTimeout workaround to delay checkmark the menu
   1.168 +    // when onmenucomplete is ready then use it instead of oncreate
   1.169 +    // see bug 78290 for the detail
   1.170 +    UpdateCurrentCharset();
   1.171 +    setTimeout(UpdateCurrentCharset, 0);
   1.172 +    UpdateCharsetDetector();
   1.173 +    setTimeout(UpdateCharsetDetector, 0);
   1.174 +}
   1.175 +
   1.176 +function CreateMenu(node)
   1.177 +{
   1.178 +  var observerService = Components.classes["@mozilla.org/observer-service;1"].getService(Components.interfaces.nsIObserverService);
   1.179 +  observerService.notifyObservers(null, "charsetmenu-selected", node);
   1.180 +}
   1.181 +
   1.182 +function UpdateMailMenus(event)
   1.183 +{
   1.184 +    // use setTimeout workaround to delay checkmark the menu
   1.185 +    // when onmenucomplete is ready then use it instead of oncreate
   1.186 +    // see bug 78290 for the detail
   1.187 +    UpdateCurrentMailCharset();
   1.188 +    setTimeout(UpdateCurrentMailCharset, 0);
   1.189 +    UpdateCharsetDetector();
   1.190 +    setTimeout(UpdateCharsetDetector, 0);
   1.191 +}
   1.192 +
   1.193 +var gCharsetMenu = Components.classes['@mozilla.org/rdf/datasource;1?name=charset-menu'].getService().QueryInterface(Components.interfaces.nsICurrentCharsetListener);
   1.194 +var gLastBrowserCharset = null;
   1.195 +
   1.196 +function charsetLoadListener (event)
   1.197 +{
   1.198 +    var charset = window.content.document.characterSet;
   1.199 +
   1.200 +    if (charset.length > 0 && (charset != gLastBrowserCharset)) {
   1.201 +        gCharsetMenu.SetCurrentCharset(charset);
   1.202 +        gPrevCharset = gLastBrowserCharset;
   1.203 +        gLastBrowserCharset = charset;
   1.204 +    }
   1.205 +}
   1.206 +
   1.207 +
   1.208 +function composercharsetLoadListener (event)
   1.209 +{
   1.210 +    var charset = window.content.document.characterSet;
   1.211 +
   1.212 + 
   1.213 +    if (charset.length > 0 ) {
   1.214 +       gCharsetMenu.SetCurrentComposerCharset(charset);
   1.215 +    }
   1.216 + }
   1.217 +
   1.218 +function SetForcedEditorCharset(charset)
   1.219 +{
   1.220 +    if (charset.length > 0 ) {
   1.221 +       gCharsetMenu.SetCurrentComposerCharset(charset);
   1.222 +    }
   1.223 +    EditorSetDocumentCharacterSet(charset);
   1.224 +}
   1.225 +
   1.226 +
   1.227 +var gLastMailCharset = null;
   1.228 +
   1.229 +function mailCharsetLoadListener (event)
   1.230 +{
   1.231 +    if (msgWindow) {
   1.232 +        var charset = msgWindow.mailCharacterSet;
   1.233 +        if (charset.length > 0 && (charset != gLastMailCharset)) {
   1.234 +            gCharsetMenu.SetCurrentMailCharset(charset);
   1.235 +            gLastMailCharset = charset;
   1.236 +        }
   1.237 +    }
   1.238 +}
   1.239 +
   1.240 +function InitCharsetMenu()
   1.241 +{
   1.242 +    removeEventListener("load", InitCharsetMenu, true);
   1.243 +
   1.244 +    var wintype = document.documentElement.getAttribute('windowtype');
   1.245 +    if (window && (wintype == "navigator:browser"))
   1.246 +    {
   1.247 +        var contentArea = window.document.getElementById("appcontent");
   1.248 +        if (contentArea)
   1.249 +            contentArea.addEventListener("pageshow", charsetLoadListener, true);
   1.250 +    }
   1.251 +    else
   1.252 +    {
   1.253 +        var arrayOfStrings = wintype.split(":");
   1.254 +        if (window && arrayOfStrings[0] == "mail")
   1.255 +        {
   1.256 +            var messageContent = window.document.getElementById("messagepane");
   1.257 +            if (messageContent)
   1.258 +                messageContent.addEventListener("pageshow", mailCharsetLoadListener, true);
   1.259 +        }
   1.260 +        else
   1.261 +        if (window && arrayOfStrings[0] == "composer")
   1.262 +        {
   1.263 +            contentArea = window.document.getElementById("appcontent");
   1.264 +            if (contentArea)
   1.265 +                contentArea.addEventListener("pageshow", composercharsetLoadListener, true);
   1.266 +        }
   1.267 +    }
   1.268 +}
   1.269 +
   1.270 +addEventListener("load", InitCharsetMenu, true);

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