| /************************************************************** |
| * |
| * 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 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| #ifndef INCLUDED_SLIDESHOW_ANIMATABLESHAPE_HXX |
| #define INCLUDED_SLIDESHOW_ANIMATABLESHAPE_HXX |
| |
| #include <boost/shared_ptr.hpp> |
| |
| #include "shape.hxx" |
| |
| |
| namespace slideshow |
| { |
| namespace 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 ::boost::shared_ptr< AnimatableShape > AnimatableShapeSharedPtr; |
| |
| } |
| } |
| |
| #endif /* INCLUDED_SLIDESHOW_ANIMATABLESHAPE_HXX */ |