ui/compositor/transform_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_TRANSFORM_ANIMATION_CURVE_ADAPTER_H_
   6 #define UI_COMPOSITOR_TRANSFORM_ANIMATION_CURVE_ADAPTER_H_
   7
   8 #include "base/time/time.h"
   9 #include "cc/animation/animation_curve.h"
  10 #include "ui/compositor/compositor_export.h"
  11 #include "ui/gfx/animation/tween.h"
  12 #include "ui/gfx/transform.h"
  13 #include "ui/gfx/transform_util.h"
  14
  15 namespace ui {
  16
  17 class COMPOSITOR_EXPORT TransformAnimationCurveAdapter
  18     : public cc::TransformAnimationCurve {
  19  public:
  20   TransformAnimationCurveAdapter(gfx::Tween::Type tween_type,
  21                                  gfx::Transform intial_value,
  22                                  gfx::Transform target_value,
  23                                  base::TimeDelta duration);
  24
  25   virtual ~TransformAnimationCurveAdapter();
  26
  27   // TransformAnimationCurve implementation.
  28   virtual double Duration() const OVERRIDE;
  29   virtual scoped_ptr<AnimationCurve> Clone() const OVERRIDE;
  30   virtual gfx::Transform GetValue(double t) const OVERRIDE;
  31   virtual bool AnimatedBoundsForBox(const gfx::BoxF& box,
  32                                     gfx::BoxF* bounds) const OVERRIDE;
  33
  34  private:
  35   gfx::Tween::Type tween_type_;
  36   gfx::Transform initial_value_;
  37   gfx::Transform target_value_;
  38   gfx::DecomposedTransform decomposed_initial_value_;
  39   gfx::DecomposedTransform decomposed_target_value_;
  40   base::TimeDelta duration_;
  41
  42   DISALLOW_ASSIGN(TransformAnimationCurveAdapter);
  43 };
  44
  45 class COMPOSITOR_EXPORT InverseTransformCurveAdapter
  46     : public cc::TransformAnimationCurve {
  47  public:
  48   InverseTransformCurveAdapter(TransformAnimationCurveAdapter base_curve,
  49                                gfx::Transform initial_value,
  50                                base::TimeDelta duration);
  51
  52   virtual ~InverseTransformCurveAdapter();
  53
  54   virtual double Duration() const OVERRIDE;
  55   virtual scoped_ptr<AnimationCurve> Clone() const OVERRIDE;
  56   virtual gfx::Transform GetValue(double t) const OVERRIDE;
  57   virtual bool AnimatedBoundsForBox(const gfx::BoxF& box,
  58                                     gfx::BoxF* bounds) const OVERRIDE;
  59
  60  private:
  61   TransformAnimationCurveAdapter base_curve_;
  62   gfx::Transform initial_value_;
  63   gfx::Transform effective_initial_value_;
  64   base::TimeDelta duration_;
  65
  66   DISALLOW_ASSIGN(InverseTransformCurveAdapter);
  67 };
  68
  69 }  // namespace ui
  70
  71 #endif  // UI_COMPOSITOR_TRANSFORM_ANIMATION_CURVE_ADAPTER_H_
  72