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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,
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     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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     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 AnimatableShapeValue_h
     32 #define AnimatableShapeValue_h
     33 
     34 #include "core/animation/animatable/AnimatableValue.h"
     35 #include "core/rendering/style/ShapeValue.h"
     36 
     37 namespace blink {
     38 
     39 class AnimatableShapeValue FINAL : public AnimatableValue {
     40 public:
     41     virtual ~AnimatableShapeValue() { }
     42     static PassRefPtrWillBeRawPtr<AnimatableShapeValue> create(ShapeValue* shape)
     43     {
     44         return adoptRefWillBeNoop(new AnimatableShapeValue(shape));
     45     }
     46     ShapeValue* shapeValue() const { return m_shape.get(); }
     47 
     48     virtual void trace(Visitor* visitor) OVERRIDE { AnimatableValue::trace(visitor); }
     49 
     50 protected:
     51     virtual PassRefPtrWillBeRawPtr<AnimatableValue> interpolateTo(const AnimatableValue*, double fraction) const OVERRIDE;
     52     virtual bool usesDefaultInterpolationWith(const AnimatableValue*) const OVERRIDE;
     53 
     54 private:
     55     AnimatableShapeValue(ShapeValue* shape)
     56         : m_shape(shape)
     57     {
     58         ASSERT(m_shape);
     59     }
     60     virtual AnimatableType type() const OVERRIDE { return TypeShapeValue; }
     61     virtual bool equalTo(const AnimatableValue*) const OVERRIDE;
     62 
     63     RefPtr<ShapeValue> m_shape;
     64 };
     65 
     66 DEFINE_ANIMATABLE_VALUE_TYPE_CASTS(AnimatableShapeValue, isShapeValue());
     67 
     68 } // namespace blink
     69 
     70 #endif // AnimatableShapeValue_h
     71