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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* 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
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