ui/compositor/float_animation_curve_adapter.h

   1 // Copyright (c) 2012 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 UI_COMPOSITOR_FLOAT_ANIMATION_CURVE_ADAPTER_H_
   6 #define UI_COMPOSITOR_FLOAT_ANIMATION_CURVE_ADAPTER_H_
   7
   8 #include "base/time/time.h"
   9 #include "cc/animation/animation_curve.h"
  10 #include "ui/gfx/animation/tween.h"
  11
  12 namespace ui {
  13
  14 class FloatAnimationCurveAdapter : public cc::FloatAnimationCurve {
  15  public:
  16   FloatAnimationCurveAdapter(gfx::Tween::Type tween_type,
  17                              float initial_value,
  18                              float target_value,
  19                              base::TimeDelta duration);
  20
  21   virtual ~FloatAnimationCurveAdapter() { }
  22
  23   // FloatAnimationCurve implementation.
  24   virtual double Duration() const OVERRIDE;
  25   virtual scoped_ptr<cc::AnimationCurve> Clone() const OVERRIDE;
  26   virtual float GetValue(double t) const OVERRIDE;
  27
  28  private:
  29   gfx::Tween::Type tween_type_;
  30   float initial_value_;
  31   float target_value_;
  32   base::TimeDelta duration_;
  33 };
  34
  35 }  // namespace ui
  36
  37 #endif  // UI_COMPOSITOR_FLOAT_ANIMATION_CURVE_ADAPTER_H_