73 lines
2.2 KiB
C++
73 lines
2.2 KiB
C++
/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#ifndef SD_VIEW_SHELL_FACTORY_HXX
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#define SD_VIEW_SHELL_FACTORY_HXX
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#include <sal/types.h>
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#include <memory>
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class Window;
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namespace sd {
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class FrameView;
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class ViewShell;
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typedef sal_Int32 ShellId;
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// This shell id is a reserved value and does not specify any valid shell.
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static const sal_Int32 snInvalidShellId = -1;
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template<class ShellType>
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class ShellFactory
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{
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public:
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/** This abstract virtual class needs a destructor so that the
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destructors of derived classes are called.
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*/
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virtual ~ShellFactory (void) {};
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/** Create a new instance of a view shell for the given id that will
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be stacked onto the given view shell base.
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@return
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Return the new view shell or NULL when a creation is not
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possible.
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*/
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virtual ShellType* CreateShell (
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ShellId nId,
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::Window* pParentWindow,
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FrameView* pFrameView = NULL) = 0;
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/** Tell the factory that a shell is no longer in use. It may destroy
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it or put it for future use in a cache.
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*/
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virtual void ReleaseShell (ShellType* pShell) = 0;
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};
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} // end of namespace sd
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#endif
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