/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: NPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Netscape 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/NPL/
 *
 * 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 Communicator client code.
 *
 * The Initial Developer of the Original Code is 
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *  Simon Fraser <sfraser@netscape.com>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either 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 NPL, 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 NPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */


#include "nsAEEventHandling.h"

#include "nsAECoreClass.h"

/*----------------------------------------------------------------------------
	CreateAEHandlerClasses 
	
	This call creates everything.
----------------------------------------------------------------------------*/

OSErr CreateAEHandlerClasses(Boolean suspendFirstEvent)
{
	OSErr	err = noErr;
	
	// if we have one, assume we have all
	if (AECoreClass::sAECoreHandler)
		return noErr;
	
	try
	{
		AECoreClass::sAECoreHandler = new AECoreClass(suspendFirstEvent);
	}
	catch(OSErr catchErr)
	{
		err = catchErr;
	}
	catch( ... )
	{
		err = paramErr;
	}
	
	return err;
}

/*----------------------------------------------------------------------------
	CreateAEHandlerClasses 
	
	This call creates everything.
----------------------------------------------------------------------------*/

OSErr ResumeAEHandling(AppleEvent *appleEvent, AppleEvent *reply, Boolean dispatchEvent)
{
	OSErr	err = noErr;
	
	if (!AECoreClass::sAECoreHandler)
		return paramErr;
	
	try
	{
		AECoreClass::sAECoreHandler->ResumeEventHandling(appleEvent, reply, dispatchEvent);
	}
	catch(OSErr catchErr)
	{
		err = catchErr;
	}
	catch( ... )
	{
		err = paramErr;
	}

	return err;
}


/*----------------------------------------------------------------------------
	GetSuspendedEvent 
	
	Return the suspended event, if any
----------------------------------------------------------------------------*/
OSErr GetSuspendedEvent(AppleEvent *theEvent, AppleEvent *reply)
{
	OSErr	err = noErr;
	
	theEvent->descriptorType = typeNull;
	theEvent->dataHandle = nil;
	
	reply->descriptorType = typeNull;
	reply->dataHandle = nil;
	
	if (!AECoreClass::sAECoreHandler)
		return paramErr;
	
	try
	{
		AECoreClass::sAECoreHandler->GetSuspendedEvent(theEvent, reply);
	}
	catch(OSErr catchErr)
	{
		err = catchErr;
	}
	catch( ... )
	{
		err = paramErr;
	}
	
	return err;
}

/*----------------------------------------------------------------------------
	ShutdownAEHandlerClasses 
	
	and this destroys the whole lot.
----------------------------------------------------------------------------*/
OSErr ShutdownAEHandlerClasses(void)
{
	if (!AECoreClass::sAECoreHandler)
		return noErr;
	
	try
	{
		delete AECoreClass::sAECoreHandler;
	}
	catch(...)
	{
	}
	
	AECoreClass::sAECoreHandler = nil;
	return noErr;
}