pjs/xpfe/bootstrap/appleevents/nsAEGenericClass.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** 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 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 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
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* 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 ***** */
#ifndef __AEGENERICCLASS__
#define __AEGENERICCLASS__
#include "nsAEClassIterator.h"
// pure virtual base class that provides stubs for much objecct functionality.
class AEGenericClass
{
friend class AEDispatchHandler;
public:
AEGenericClass(DescType classType, DescType containerClass); // throws OSErrs
virtual ~AEGenericClass();
// ----------------------------------------------------------------------------
// Dispatch routine
// ----------------------------------------------------------------------------
void DispatchEvent( AEDesc* token,
const AppleEvent* appleEvent,
AppleEvent* reply); // throws OSErrs
// ----------------------------------------------------------------------------
// Item from container accessor
// ----------------------------------------------------------------------------
static pascal OSErr ItemFromContainerAccessor( DescType desiredClass,
const AEDesc* containerToken,
DescType containerClass,
DescType keyForm,
const AEDesc* keyData,
AEDesc* resultToken,
long refCon);
protected:
// MT-NW suite events
enum {
kAEExtract = 'Extr',
kExtractKeyDestFolder = 'Fold',
kAESendMessage = 'Post'
};
virtual void GetPropertyFromObject( DescType desiredClass,
const AEDesc* containerToken,
DescType containerClass,
DescType keyForm,
const AEDesc* keyData,
AEDesc* resultToken);
virtual void GetProperty( DescType desiredClass,
const AEDesc* containerToken,
DescType containerClass,
DescType keyForm,
const AEDesc* keyData,
AEDesc* resultToken);
// ----------------------------------------------------------------------------
// GetItemFromContainer
//
// Overridable method to get an item from its container.
//
// ----------------------------------------------------------------------------
virtual void GetItemFromContainer( DescType desiredClass,
const AEDesc* containerToken,
DescType containerClass,
DescType keyForm,
const AEDesc* keyData,
AEDesc* resultToken) = 0;
// ----------------------------------------------------------------------------
// OSL Callbacks (compare and count)
// ----------------------------------------------------------------------------
virtual void CompareObjects( DescType comparisonOperator,
const AEDesc * object,
const AEDesc * descriptorOrObject,
Boolean * result);
virtual void CountObjects( DescType desiredType,
DescType containerClass,
const AEDesc * container,
long * result);
// ----------------------------------------------------------------------------
// Core Suite Object Event handlers
// ----------------------------------------------------------------------------
virtual void HandleClose(AEDesc *token, const AppleEvent *appleEvent, AppleEvent *reply);
virtual void HandleCount(AEDesc *token, const AppleEvent *appleEvent, AppleEvent *reply);
virtual void HandleSetData(AEDesc *token, const AppleEvent *appleEvent, AppleEvent *reply);
virtual void HandleGetData(AEDesc *token, const AppleEvent *appleEvent, AppleEvent *reply);
virtual void HandleDataSize(AEDesc *token, const AppleEvent *appleEvent, AppleEvent *reply);
virtual void HandleDelete(AEDesc *token, const AppleEvent *appleEvent, AppleEvent *reply);
virtual void HandleDuplicate(AEDesc *token, const AppleEvent *appleEvent, AppleEvent *reply);
virtual void HandleExists(AEDesc *token, const AppleEvent *appleEvent, AppleEvent *reply);
virtual void HandleMake(AEDesc *token, const AppleEvent *appleEvent, AppleEvent *reply);
virtual void HandleMove(AEDesc *token, const AppleEvent *appleEvent, AppleEvent *reply);
virtual void HandleOpen(AEDesc *token, const AppleEvent *appleEvent, AppleEvent *reply);
virtual void HandleReOpen(AEDesc *token, const AppleEvent *appleEvent, AppleEvent *reply);
virtual void HandleRun(AEDesc *token, const AppleEvent *appleEvent, AppleEvent *reply);
virtual void HandlePrint(AEDesc *token, const AppleEvent *appleEvent, AppleEvent *reply);
virtual void HandleQuit(AEDesc *token, const AppleEvent *appleEvent, AppleEvent *reply);
virtual void HandleSave(AEDesc *token, const AppleEvent *appleEvent, AppleEvent *reply);
// ----------------------------------------------------------------------------
// MT-NW suite event handlers
// ----------------------------------------------------------------------------
virtual void HandleExtract(AEDesc *token, const AppleEvent *appleEvent, AppleEvent *reply);
virtual void HandleSendMessage(AEDesc *token, const AppleEvent *appleEvent, AppleEvent *reply);
// ----------------------------------------------------------------------------
// Get and Set methods for objects and list. Note that the object methods are pure virtual
// ----------------------------------------------------------------------------
virtual void GetDataFromObject(const AEDesc *token, AEDesc *desiredTypes, AEDesc *data) = 0;
virtual void SetDataForObject(const AEDesc *token, AEDesc *data) = 0;
// ----------------------------------------------------------------------------
// Methods for creating self and container specifiers
// ----------------------------------------------------------------------------
void CreateSpecifier(const AEDesc *token, AEDesc *outSpecifier);
virtual void GetContainerSpecifier(const AEDesc *token, AEDesc *outContainerSpecifier);
virtual void CreateSelfSpecifier(const AEDesc *token, AEDesc *outSpecifier) = 0;
void GetDataFromListOrObject(const AEDesc *tokenOrTokenList, AEDesc *desiredTypes, AEDesc *data);
void SetDataForListOrObject(const AEDesc *tokenOrTokenList, const AppleEvent *appleEvent, AppleEvent *reply);
void GetDataFromList(const AEDesc *srcList, AEDesc *desiredTypes, AEDesc *dstList);
void SetDataForList(const AEDesc *token, AEDesc *data);
void GetPropertyFromListOrObject( DescType desiredClass,
const AEDesc* containerToken,
DescType containerClass,
DescType keyForm,
const AEDesc* keyData,
AEDesc* resultToken);
void GetPropertyFromList( DescType desiredClass,
const AEDesc* containerToken,
DescType containerClass,
DescType keyForm,
const AEDesc* keyData,
AEDesc* resultToken);
virtual DescType GetKeyEventDataAs(DescType propertyCode);
virtual Boolean CanSetProperty(DescType propertyCode) = 0;
virtual Boolean CanGetProperty(DescType propertyCode) = 0;
DescType GetClass() { return mClass; }
// ----------------------------------------------------------------------------
// Methods called from the main handlers
// ----------------------------------------------------------------------------
virtual void MakeNewObject( const DescType insertionPosition,
const AEDesc* token,
const AEDesc* ptrToWithData,
const AEDesc* ptrToWithProperties,
AppleEvent* reply);
protected:
DescType mClass;
DescType mContainerClass;
OSLAccessorUPP mItemFromContainerAccessor;
};
#endif /* __AEGENERICCLASS__ */