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lightning-sunbird  0.9+nobinonly
nsAEEventHandling.cpp
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00001 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
00003  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00004  *
00005  * The contents of this file are subject to the Mozilla Public License Version
00006  * 1.1 (the "License"); you may not use this file except in compliance with
00007  * the License. You may obtain a copy of the License at
00008  * http://www.mozilla.org/MPL/
00009  *
00010  * Software distributed under the License is distributed on an "AS IS" basis,
00011  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00012  * for the specific language governing rights and limitations under the
00013  * License.
00014  *
00015  * The Original Code is Mozilla Communicator client code.
00016  *
00017  * The Initial Developer of the Original Code is
00018  * Netscape Communications Corporation.
00019  * Portions created by the Initial Developer are Copyright (C) 1998
00020  * the Initial Developer. All Rights Reserved.
00021  *
00022  * Contributor(s):
00023  *   Simon Fraser <sfraser@netscape.com>
00024  *
00025  * Alternatively, the contents of this file may be used under the terms of
00026  * either of the GNU General Public License Version 2 or later (the "GPL"),
00027  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00028  * in which case the provisions of the GPL or the LGPL are applicable instead
00029  * of those above. If you wish to allow use of your version of this file only
00030  * under the terms of either the GPL or the LGPL, and not to allow others to
00031  * use your version of this file under the terms of the MPL, indicate your
00032  * decision by deleting the provisions above and replace them with the notice
00033  * and other provisions required by the GPL or the LGPL. If you do not delete
00034  * the provisions above, a recipient may use your version of this file under
00035  * the terms of any one of the MPL, the GPL or the LGPL.
00036  *
00037  * ***** END LICENSE BLOCK ***** */
00038 
00039 
00040 #include "nsAEEventHandling.h"
00041 
00042 #include "nsAECoreClass.h"
00043 
00044 /*----------------------------------------------------------------------------
00045        CreateAEHandlerClasses 
00046        
00047        This call creates everything.
00048 ----------------------------------------------------------------------------*/
00049 
00050 OSErr CreateAEHandlerClasses(Boolean suspendFirstEvent)
00051 {
00052        OSErr  err = noErr;
00053        
00054        // if we have one, assume we have all
00055        if (AECoreClass::sAECoreHandler)
00056               return noErr;
00057        
00058        try
00059        {
00060               AECoreClass::sAECoreHandler = new AECoreClass(suspendFirstEvent);
00061        }
00062        catch(OSErr catchErr)
00063        {
00064               err = catchErr;
00065        }
00066        catch( ... )
00067        {
00068               err = paramErr;
00069        }
00070        
00071        return err;
00072 }
00073 
00074 /*----------------------------------------------------------------------------
00075        CreateAEHandlerClasses 
00076        
00077        This call creates everything.
00078 ----------------------------------------------------------------------------*/
00079 
00080 OSErr ResumeAEHandling(AppleEvent *appleEvent, AppleEvent *reply, Boolean dispatchEvent)
00081 {
00082        OSErr  err = noErr;
00083        
00084        if (!AECoreClass::sAECoreHandler)
00085               return paramErr;
00086        
00087        try
00088        {
00089               AECoreClass::sAECoreHandler->ResumeEventHandling(appleEvent, reply, dispatchEvent);
00090        }
00091        catch(OSErr catchErr)
00092        {
00093               err = catchErr;
00094        }
00095        catch( ... )
00096        {
00097               err = paramErr;
00098        }
00099 
00100        return err;
00101 }
00102 
00103 
00104 /*----------------------------------------------------------------------------
00105        GetSuspendedEvent 
00106        
00107        Return the suspended event, if any
00108 ----------------------------------------------------------------------------*/
00109 OSErr GetSuspendedEvent(AppleEvent *theEvent, AppleEvent *reply)
00110 {
00111        OSErr  err = noErr;
00112        
00113        theEvent->descriptorType = typeNull;
00114        theEvent->dataHandle = nil;
00115        
00116        reply->descriptorType = typeNull;
00117        reply->dataHandle = nil;
00118        
00119        if (!AECoreClass::sAECoreHandler)
00120               return paramErr;
00121        
00122        try
00123        {
00124               AECoreClass::sAECoreHandler->GetSuspendedEvent(theEvent, reply);
00125        }
00126        catch(OSErr catchErr)
00127        {
00128               err = catchErr;
00129        }
00130        catch( ... )
00131        {
00132               err = paramErr;
00133        }
00134        
00135        return err;
00136 }
00137 
00138 /*----------------------------------------------------------------------------
00139        ShutdownAEHandlerClasses 
00140        
00141        and this destroys the whole lot.
00142 ----------------------------------------------------------------------------*/
00143 OSErr ShutdownAEHandlerClasses(void)
00144 {
00145        if (!AECoreClass::sAECoreHandler)
00146               return noErr;
00147        
00148        try
00149        {
00150               delete AECoreClass::sAECoreHandler;
00151        }
00152        catch(...)
00153        {
00154        }
00155        
00156        AECoreClass::sAECoreHandler = nil;
00157        return noErr;
00158 }
00159