79 lines
2.9 KiB
C++
79 lines
2.9 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_SLIDESHOW_SOURCE_INC_ANIMATABLESHAPE_HXX
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#define INCLUDED_SLIDESHOW_SOURCE_INC_ANIMATABLESHAPE_HXX
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#include <memory>
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#include "shape.hxx"
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namespace slideshow::internal
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{
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/** Represents an animatable shape.
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This interface adds animation handling methods to a
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shape. It allows transparent switching between
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sprite-based viewing and static painting, depending on
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whether animations are currently running.
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*/
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class AnimatableShape : public Shape
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{
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public:
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// Animation methods
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/** Notify the Shape that an animation starts now
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This method enters animation mode on all registered
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views.
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@attention This method is supposed to be called only
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from the LayerManager, since it might involve shifting
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shapes between different layers (and removing this
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shape from the background layer in the first place)
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*/
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virtual void enterAnimationMode() = 0;
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/** Notify the Shape that it is no longer animated
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This methods requests the Shape to end animation mode
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on all registered views, if called more or equal the
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times enterAnimationMode() was called. That is, the
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Shape only leaves animation mode, if all requested
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enterAnimationMode() call sites have issued their
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matching leaveAnimationMode().
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@attention This method is supposed to be called only
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from the LayerManager, since it might involve shifting
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shapes between different layers (and adding this
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shape to the background layer again)
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*/
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virtual void leaveAnimationMode() = 0;
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};
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typedef ::std::shared_ptr< AnimatableShape > AnimatableShapeSharedPtr;
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}
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#endif // INCLUDED_SLIDESHOW_SOURCE_INC_ANIMATABLESHAPE_HXX
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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