/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project .
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* This Source Code Form is subject to the terms of the Mozilla Public
* License , v . 2 . 0 . If a copy of the MPL was not distributed with this
* file , You can obtain one at http : //mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice :
*
* Licensed to the Apache Software Foundation ( ASF ) under one or more
* contributor license agreements . See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership . The ASF licenses this file to you under the Apache
* License , Version 2 . 0 ( 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.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef INCLUDED_SLIDESHOW_SOURCE_INC_SUBSETTABLESHAPEMANAGER_HXX
#define INCLUDED_SLIDESHOW_SOURCE_INC_SUBSETTABLESHAPEMANAGER_HXX
#include "shapemanager.hxx"
#include "intrinsicanimationeventhandler.hxx"
#include <memory>
/* Definition of SubsettableShapeManager interface */
namespace slideshow::internal
{
class DocTreeNode;
class AttributableShape;
typedef ::std::shared_ptr< AttributableShape > AttributableShapeSharedPtr;
/** 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 AttributableShapeSharedPtr getSubsetShape(
const AttributableShapeSharedPtr& 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 AttributableShapeSharedPtr& rOrigShape,
const AttributableShapeSharedPtr& 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.
*/
virtual void notifyIntrinsicAnimationsEnabled() = 0 ;
/** Notify that shape-intrinsic animations are now disabled.
*/
virtual void notifyIntrinsicAnimationsDisabled() = 0 ;
};
typedef ::std::shared_ptr< SubsettableShapeManager > SubsettableShapeManagerSharedPtr;
}
#endif // INCLUDED_SLIDESHOW_SOURCE_INC_SUBSETTABLESHAPEMANAGER_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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