cc/blink/web_float_animation_curve_impl.h

   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 CC_BLINK_WEB_FLOAT_ANIMATION_CURVE_IMPL_H_
   6 #define CC_BLINK_WEB_FLOAT_ANIMATION_CURVE_IMPL_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "cc/blink/cc_blink_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 cc_blink {
  22
  23 class WebFloatAnimationCurveImpl : public blink::WebFloatAnimationCurve {
  24  public:
  25   CC_BLINK_EXPORT WebFloatAnimationCurveImpl();
  26   virtual ~WebFloatAnimationCurveImpl();
  27
  28   // WebCompositorAnimationCurve 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   virtual void add(const blink::WebFloatKeyframe& keyframe,
  41                    int steps,
  42                    float steps_start_offset);
  43   virtual void setLinearTimingFunction();
  44   virtual void setCubicBezierTimingFunction(TimingFunctionType);
  45   virtual void setCubicBezierTimingFunction(double x1,
  46                                             double y1,
  47                                             double x2,
  48                                             double y2);
  49   virtual void setStepsTimingFunction(int number_of_steps,
  50                                       float steps_start_offset);
  51
  52   virtual float getValue(double time) const;
  53
  54   scoped_ptr<cc::AnimationCurve> CloneToAnimationCurve() const;
  55
  56  private:
  57   scoped_ptr<cc::KeyframedFloatAnimationCurve> curve_;
  58
  59   DISALLOW_COPY_AND_ASSIGN(WebFloatAnimationCurveImpl);
  60 };
  61
  62 }  // namespace cc_blink
  63
  64 #endif  // CC_BLINK_WEB_FLOAT_ANIMATION_CURVE_IMPL_H_