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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: ShellFactory.hxx,v $
* $Revision: 1.5 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef SD_VIEW_SHELL_FACTORY_HXX
#define SD_VIEW_SHELL_FACTORY_HXX
#include <sal/types.h>
#include <memory>
class Window;
namespace sd {
class FrameView;
class ViewShell;
typedef sal_Int32 ShellId;
// This shell id is a reserved value and does not specify any valid shell.
static const sal_Int32 snInvalidShellId = -1;
template<class ShellType>
class ShellFactory
{
public:
/** This abstract virtual class needs a destructor so that the
destructors of derived classes are called.
*/
virtual ~ShellFactory (void) {};
/** Create a new instance of a view shell for the given id that will
be stacked onto the given view shell base.
@return
Return the new view shell or NULL when a creation is not
possible.
*/
virtual ShellType* CreateShell (
ShellId nId,
::Window* pParentWindow,
FrameView* pFrameView = NULL) = 0;
/** Tell the factory that a shell is no longer in use. It may destroy
it or put it for future use in a cache.
*/
virtual void ReleaseShell (ShellType* pShell) = 0;
};
} // end of namespace sd
#endif
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