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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: subsettableshapemanager.hxx,v $
* $Revision: 1.3 $
*
* 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 INCLUDED_SLIDESHOW_SUBSETTABLESHAPEMANAGER_HXX
#define INCLUDED_SLIDESHOW_SUBSETTABLESHAPEMANAGER_HXX
#include "shapemanager.hxx"
#include "intrinsicanimationeventhandler.hxx"
#include <boost/shared_ptr.hpp>
/* Definition of SubsettableShapeManager interface */
namespace slideshow
{
namespace internal
{
class DocTreeNode;
class AttributableShape;
/** SubsettableShapeManager interface
Implementers of this interface manage creation and
revocation of shape subsets. Shape subsets are shapes that
represent (and animate) only parts of an original's shape
content.
*/
class SubsettableShapeManager : public ShapeManager
{
public:
/** Query a subset of the given original shape
This method queries a new (but not necessarily unique)
shape, which displays only the given subset of the
original one. Calling this method multiple times with
the same original shape and DocTreeNode content always
returns the same shape.
Requesting a subset from an original shape leads to
the original shape ceasing to display the subsetted
content. In other words, shape content is always
displayed in exactly one shape.
@param rOrigShape
The shape the subset is to be created for
@param rSubsetShape
The subset to display in the generated shape.
*/
virtual boost::shared_ptr<AttributableShape> getSubsetShape(
const boost::shared_ptr<AttributableShape>& rOrigShape,
const DocTreeNode& rTreeNode ) = 0;
/** Revoke a previously queried subset shape.
With this method, a previously requested subset shape
is revoked again. If the last client revokes a given
subset, it will cease to be displayed, and the
original shape will again show the subset data.
@param rOrigShape
The shape the subset was created from
@param rSubsetShape
The subset created from rOrigShape
*/
virtual void revokeSubset(
const boost::shared_ptr<AttributableShape>& rOrigShape,
const boost::shared_ptr<AttributableShape>& rSubsetShape ) = 0;
// Evil hackish way of getting intrinsic animation slide-wise
/** Register an event handler that will be called when
user paint parameters change.
@param rHandler
Handler to call when a shape listener changes
*/
virtual void addIntrinsicAnimationHandler( const IntrinsicAnimationEventHandlerSharedPtr& rHandler ) = 0;
virtual void removeIntrinsicAnimationHandler( const IntrinsicAnimationEventHandlerSharedPtr& rHandler ) = 0;
/** Notify that shape-intrinsic animations are now enabled.
@return true, if this event was processed by
anybody. If false is returned, no handler processed
this event (and probably, nothing will happen at all)
*/
virtual bool notifyIntrinsicAnimationsEnabled() = 0;
/** Notify that shape-intrinsic animations are now disabled.
@return true, if this event was processed by
anybody. If false is returned, no handler processed
this event (and probably, nothing will happen at all)
*/
virtual bool notifyIntrinsicAnimationsDisabled() = 0;
};
typedef ::boost::shared_ptr< SubsettableShapeManager > SubsettableShapeManagerSharedPtr;
}
}
#endif /* INCLUDED_SLIDESHOW_SUBSETTABLESHAPEMANAGER_HXX */
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