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Songbird_1.8.0-1800_windows-i686-msvc8.exe
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components
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sbParserError.js
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2010-08-30
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/**
//
// BEGIN SONGBIRD GPL
//
// This file is part of the Songbird web player.
//
// Copyright(c) 2005-2008 POTI, Inc.
// http://songbirdnest.com
//
// This file may be licensed under the terms of of the
// GNU General Public License Version 2 (the "GPL").
//
// Software distributed under the License is distributed
// on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either
// express or implied. See the GPL for the specific language
// governing rights and limitations.
//
// You should have received a copy of the GPL along with this
// program. If not, go to http://www.gnu.org/licenses/gpl.html
// or write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// END SONGBIRD GPL
//
*/
const SONGBIRD_PARSERERRORHANDLER_CONTRACTID = "@songbirdnest.com/Songbird/ParserErrorHandler;1";
const SONGBIRD_PARSERERRORHANDLER_CLASSNAME = "Songbird Parser Error Handler";
const SONGBIRD_PARSERERRORHANDLER_CID = Components.ID("{213a0ebb-12b3-492f-bc4c-f472f8f24d2c}");
const MSG_ERROR_UNDEFINEDENTITY = '[JavaScript Error: "undefined entity"';
const MSG_ERROR_ENTITYPROCESSING = '[JavaScript Error: "error in processing external entity reference"';
var gBusy = false;
var consoleListener = {
observe: function(msg)
{
if (msg.message.substr(0, MSG_ERROR_UNDEFINEDENTITY.length) == MSG_ERROR_UNDEFINEDENTITY ||
msg.message.substr(0, MSG_ERROR_ENTITYPROCESSING.length) == MSG_ERROR_ENTITYPROCESSING) {
dump("parseError:" + msg.message + "\n");
var prefs = Components.classes["@mozilla.org/preferences-service;1"].
getService(Components.interfaces.nsIPrefBranch);
var curLocale = "en-US";
try {
curLocale = prefs.getCharPref("general.useragent.locale");
}
catch (e) { }
if (!gBusy && curLocale != "en-US") {
try {
gBusy = true;
var wWatcher = Components.classes["@mozilla.org/embedcomp/window-watcher;1"]
.getService(Components.interfaces.nsIWindowWatcher);
var wMediator = Components.classes["@mozilla.org/appshell/window-mediator;1"]
.getService(Components.interfaces.nsIWindowMediator);
var mainWindow = wMediator.getMostRecentWindow("Songbird:Main");
wWatcher.openWindow(mainWindow,
"chrome://songbird/content/xul/parserError.xul",
"_blank",
"chrome,modal=yes,centerscreen,resizable=no",
msg);
} catch (e) {
}
gBusy = false;
}
}
},
QueryInterface : function(aIID)
{
if (!aIID.equals(Components.interfaces.nsIConsoleListener) &&
!aIID.equals(Components.interfaces.nsISupports))
{
throw Components.results.NS_ERROR_NO_INTERFACE;
}
return this;
}
};
var gOS = null;
var gConsole = null;
function ParserErrorHandler() {
try {
gConsole = Components.classes["@mozilla.org/consoleservice;1"]
.getService(Components.interfaces.nsIConsoleService);
gOS = Components.classes["@mozilla.org/observer-service;1"]
.getService(Components.interfaces.nsIObserverService);
if (gOS.addObserver) {
// We should wait until the profile has been loaded to start
gOS.addObserver(this, "profile-after-change", false);
// We need to unhook things on shutdown
gOS.addObserver(this, "xpcom-shutdown", false);
}
} catch (e) { }
}
ParserErrorHandler.prototype.constructor = ParserErrorHandler;
ParserErrorHandler.prototype = {
_init: function() {
try {
gConsole.registerListener(consoleListener);
} catch (e) { }
},
_deinit: function() {
try {
gConsole.unregisterListener(consoleListener);
} catch (e) { }
},
// watch for XRE startup and shutdown messages
observe: function(subject, topic, data) {
switch (topic) {
case "profile-after-change":
gOS.removeObserver(this, "profile-after-change");
// Preferences are initialized, ready to start the service
this._init();
break;
case "xpcom-shutdown":
gOS.removeObserver(this, "xpcom-shutdown");
this._deinit();
// Release Services to avoid memory leaks
gOS = null;
gConsole = null;
break;
}
},
/**
* See nsISupports.idl
*/
QueryInterface: function(iid) {
if (!iid.equals(Components.interfaces.nsIObserver) &&
!iid.equals(Components.interfaces.nsISupports))
throw Components.results.NS_ERROR_NO_INTERFACE;
return this;
}
}; // ParserErrorHandler.prototype
/**
* ----------------------------------------------------------------------------
* Registration for XPCOM
* ----------------------------------------------------------------------------
*/
var gModule = {
registerSelf: function(componentManager, fileSpec, location, type) {
componentManager = componentManager.QueryInterface(Components.interfaces.nsIComponentRegistrar);
for (var key in this._objects) {
var obj = this._objects[key];
componentManager.registerFactoryLocation(obj.CID, obj.className, obj.contractID,
fileSpec, location, type);
}
var categoryManager = Components.classes["@mozilla.org/categorymanager;1"]
.getService(Components.interfaces.nsICategoryManager);
categoryManager.addCategoryEntry("app-startup", this._objects.parsererrorhandler.className,
"service," + this._objects.parsererrorhandler.contractID,
true, true, null);
},
getClassObject: function(componentManager, cid, iid) {
if (!iid.equals(Components.interfaces.nsIFactory))
throw Components.results.NS_ERROR_NOT_IMPLEMENTED;
for (var key in this._objects) {
if (cid.equals(this._objects[key].CID))
return this._objects[key].factory;
}
throw Components.results.NS_ERROR_NO_INTERFACE;
},
_makeFactory: #1= function(ctor) {
function ci(outer, iid) {
if (outer != null)
throw Components.results.NS_ERROR_NO_AGGREGATION;
return (new ctor()).QueryInterface(iid);
}
return { createInstance: ci };
},
_objects: {
// The ParserError Component
parsererrorhandler: { CID : SONGBIRD_PARSERERRORHANDLER_CID,
contractID : SONGBIRD_PARSERERRORHANDLER_CONTRACTID,
className : SONGBIRD_PARSERERRORHANDLER_CLASSNAME,
factory : #1#(ParserErrorHandler)
},
},
canUnload: function(componentManager) {
return true;
}
}; // gModule
function NSGetModule(comMgr, fileSpec) {
return gModule;
} // NSGetModule