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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 InertAnimation_h
     32 #define InertAnimation_h
     33 
     34 #include "core/animation/AnimationEffect.h"
     35 #include "core/animation/AnimationNode.h"
     36 #include "wtf/RefPtr.h"
     37 
     38 namespace blink {
     39 
     40 class InertAnimation FINAL : public AnimationNode {
     41 public:
     42     static PassRefPtrWillBeRawPtr<InertAnimation> create(PassRefPtrWillBeRawPtr<AnimationEffect>, const Timing&, bool paused);
     43     PassOwnPtrWillBeRawPtr<WillBeHeapVector<RefPtrWillBeMember<Interpolation> > > sample(double inheritedTime);
     44     AnimationEffect* effect() const { return m_effect.get(); }
     45     bool paused() const { return m_paused; }
     46 
     47     virtual void trace(Visitor*);
     48 
     49 protected:
     50     virtual void updateChildrenAndEffects() const OVERRIDE { }
     51     virtual double calculateTimeToEffectChange(bool forwards, double inheritedTime, double timeToNextIteration) const OVERRIDE;
     52 
     53 private:
     54     InertAnimation(PassRefPtrWillBeRawPtr<AnimationEffect>, const Timing&, bool paused);
     55     RefPtrWillBeMember<AnimationEffect> m_effect;
     56     bool m_paused;
     57 };
     58 
     59 } // namespace blink
     60 
     61 #endif
     62