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      1 // Copyright 2014 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CONTENT_RENDERER_COMPOSITOR_BINDINGS_WEB_FLOAT_ANIMATION_CURVE_IMPL_H_
      6 #define CONTENT_RENDERER_COMPOSITOR_BINDINGS_WEB_FLOAT_ANIMATION_CURVE_IMPL_H_
      7 
      8 #include "base/memory/scoped_ptr.h"
      9 #include "content/common/content_export.h"
     10 #include "third_party/WebKit/public/platform/WebFloatAnimationCurve.h"
     11 
     12 namespace cc {
     13 class AnimationCurve;
     14 class KeyframedFloatAnimationCurve;
     15 }
     16 
     17 namespace blink {
     18 struct WebFloatKeyframe;
     19 }
     20 
     21 namespace content {
     22 
     23 class WebFloatAnimationCurveImpl : public blink::WebFloatAnimationCurve {
     24  public:
     25   CONTENT_EXPORT WebFloatAnimationCurveImpl();
     26   virtual ~WebFloatAnimationCurveImpl();
     27 
     28   // WebAnimationCurve implementation.
     29   virtual AnimationCurveType type() const;
     30 
     31   // WebFloatAnimationCurve implementation.
     32   virtual void add(const blink::WebFloatKeyframe& keyframe);
     33   virtual void add(const blink::WebFloatKeyframe& keyframe,
     34                    TimingFunctionType type);
     35   virtual void add(const blink::WebFloatKeyframe& keyframe,
     36                    double x1,
     37                    double y1,
     38                    double x2,
     39                    double y2);
     40 
     41   virtual float getValue(double time) const;
     42 
     43   scoped_ptr<cc::AnimationCurve> CloneToAnimationCurve() const;
     44 
     45  private:
     46   scoped_ptr<cc::KeyframedFloatAnimationCurve> curve_;
     47 
     48   DISALLOW_COPY_AND_ASSIGN(WebFloatAnimationCurveImpl);
     49 };
     50 
     51 }  // namespace content
     52 
     53 #endif  // CONTENT_RENDERER_COMPOSITOR_BINDINGS_WEB_FLOAT_ANIMATION_CURVE_IMPL_H_
     54 
     55