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- /* -*- 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"
- %}
-