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      1 /*
      2  * Copyright (C) 2013 Google Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #ifndef Animation_h
     32 #define Animation_h
     33 
     34 #include "core/animation/AnimationEffect.h"
     35 #include "core/animation/TimedItem.h"
     36 #include "wtf/RefPtr.h"
     37 
     38 namespace WebCore {
     39 
     40 class Element;
     41 
     42 class Animation FINAL : public TimedItem {
     43 
     44 public:
     45     static PassRefPtr<Animation> create(PassRefPtr<Element>, PassRefPtr<AnimationEffect>, const Timing&, PassOwnPtr<TimedItemEventDelegate> = nullptr);
     46 
     47     const AnimationEffect::CompositableValueMap* compositableValues() const
     48     {
     49         ASSERT(m_compositableValues);
     50         return m_compositableValues.get();
     51     }
     52 
     53 protected:
     54     virtual void applyEffects(bool previouslyInEffect);
     55     virtual void clearEffects();
     56     virtual void updateChildrenAndEffects(bool) const OVERRIDE FINAL;
     57     virtual void willDetach() OVERRIDE FINAL;
     58 
     59 private:
     60     Animation(PassRefPtr<Element>, PassRefPtr<AnimationEffect>, const Timing&, PassOwnPtr<TimedItemEventDelegate>);
     61 
     62     RefPtr<Element> m_target;
     63     RefPtr<AnimationEffect> m_effect;
     64 
     65     bool m_activeInAnimationStack;
     66     OwnPtr<AnimationEffect::CompositableValueMap> m_compositableValues;
     67 };
     68 
     69 } // namespace WebCore
     70 
     71 #endif
     72