| /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ |
| /* ***** BEGIN LICENSE BLOCK ***** |
| * Version: MPL 1.1/GPL 2.0/LGPL 2.1 |
| * |
| * The contents of this file are subject to the Mozilla Public License Version |
| * 1.1 (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * http://www.mozilla.org/MPL/ |
| * |
| * Software distributed under the License is distributed on an "AS IS" basis, |
| * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License |
| * for the specific language governing rights and limitations under the |
| * License. |
| * |
| * The Original Code is mozilla.org code. |
| * |
| * The Initial Developer of the Original Code is |
| * ActiveState Tool Corp.. |
| * Portions created by the Initial Developer are Copyright (C) 2001 |
| * the Initial Developer. All Rights Reserved. |
| * |
| * Contributor(s): |
| * Mark Hammond <MarkH@ActiveState.com> |
| * |
| * Alternatively, the contents of this file may be used under the terms of |
| * either of the GNU General Public License Version 2 or later (the "GPL"), |
| * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), |
| * in which case the provisions of the GPL or the LGPL are applicable instead |
| * of those above. If you wish to allow use of your version of this file only |
| * under the terms of either the GPL or the LGPL, and not to allow others to |
| * use your version of this file under the terms of the MPL, indicate your |
| * decision by deleting the provisions above and replace them with the notice |
| * and other provisions required by the GPL or the LGPL. If you do not delete |
| * the provisions above, a recipient may use your version of this file under |
| * the terms of any one of the MPL, the GPL or the LGPL. |
| * |
| * ***** END LICENSE BLOCK ***** */ |
| |
| #include "nsISupports.idl" |
| #include "nsIException.idl" |
| |
| // An exception provider. These can turn special nsresult codes |
| // into nsIExceptions |
| |
| [scriptable, uuid(0577744c-c1d2-47f2-8bcc-ce7a9e5a88fc)] |
| interface nsIExceptionProvider : nsISupports |
| { |
| /** Gets an nsIException or returns NULL if not possible. **/ |
| nsIException getException(in nsresult result, in nsIException defaultException); |
| }; |
| |
| // A ScriptErrorManager for a single thread. These objects |
| // are _not_ thread-safe. Use the ScriptErrorService |
| // to get a script error manager for your current thread. |
| [scriptable, uuid(efc9d00b-231c-4feb-852c-ac017266a415)] |
| interface nsIExceptionManager : nsISupports |
| { |
| /** Sets (or clears with nsnull) the current error on the this thread. */ |
| void setCurrentException( in nsIException error); |
| |
| /** Gets the current error for the current thread, or NULL if no error */ |
| nsIException getCurrentException(); |
| |
| /** Gets an exception from a registered exception provider.. |
| This has no effect on the "current exception" */ |
| nsIException getExceptionFromProvider( in nsresult rc, in nsIException defaultException); |
| }; |
| |
| |
| // The Exception Service. Allows you to get an set exceptions in a thread |
| // safe manner, or to get an ExceptionManager for your specific thread. |
| [scriptable, uuid(35A88F54-F267-4414-92A7-191F6454AB52)] |
| interface nsIExceptionService : nsIExceptionManager |
| { |
| /** Obtains an exception manager for the current thread. */ |
| readonly attribute nsIExceptionManager currentExceptionManager; |
| |
| /** Installs an "exception provider" which is capable of |
| translating an nsresult into an exception. This enables |
| error providers to return simple nsresults and only provide |
| rich errors when specifically requested. It also has the |
| advantage of allowing code like the DOM to handle all errors |
| in a single function rather than at each XPCOM entry point. |
| NOTE: This interface must be thread-safe - it will be called |
| on whatever thread needs the error translation performed.*/ |
| void registerExceptionProvider( in nsIExceptionProvider provider, in PRUint32 moduleCode ); |
| void unregisterExceptionProvider( in nsIExceptionProvider provider, in PRUint32 moduleCode ); |
| }; |
| |
| |
| %{ C++ |
| #define NS_EXCEPTIONSERVICE_CLASSNAME "Exception Service" |
| // {35A88F54-F267-4414-92A7-191F6454AB52} |
| #define NS_EXCEPTIONSERVICE_CID \ |
| { 0x35a88f54, 0xf267, 0x4414, { 0x92, 0xa7, 0x19, 0x1f, 0x64, 0x54, 0xab, 0x52 } } |
| #define NS_EXCEPTIONSERVICE_CONTRACTID "@mozilla.org/exceptionservice;1" |
| %} |