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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_ANIMATABLESHAPE_HXX
#define INCLUDED_SLIDESHOW_SOURCE_INC_ANIMATABLESHAPE_HXX
#include <memory>
#include "shape.hxx"
namespace slideshow::internal
{
/** Represents an animatable shape.
This interface adds animation handling methods to a
shape. It allows transparent switching between
sprite-based viewing and static painting, depending on
whether animations are currently running.
*/
class AnimatableShape : public Shape
{
public:
// Animation methods
/** Notify the Shape that an animation starts now
This method enters animation mode on all registered
views.
@attention This method is supposed to be called only
from the LayerManager, since it might involve shifting
shapes between different layers (and removing this
shape from the background layer in the first place)
*/
virtual void enterAnimationMode() = 0;
/** Notify the Shape that it is no longer animated
This methods requests the Shape to end animation mode
on all registered views, if called more or equal the
times enterAnimationMode() was called. That is, the
Shape only leaves animation mode, if all requested
enterAnimationMode() call sites have issued their
matching leaveAnimationMode().
@attention This method is supposed to be called only
from the LayerManager, since it might involve shifting
shapes between different layers (and adding this
shape to the background layer again)
*/
virtual void leaveAnimationMode() = 0;
};
typedef ::std::shared_ptr< AnimatableShape > AnimatableShapeSharedPtr;
}
#endif // INCLUDED_SLIDESHOW_SOURCE_INC_ANIMATABLESHAPE_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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