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   virtual bool AffectsScale() const OVERRIDE;
  34   virtual bool IsTranslation() const OVERRIDE;
  35   virtual bool MaximumScale(float* max_scale) const OVERRIDE;
  36
  37  private:
  38   gfx::Tween::Type tween_type_;
  39   gfx::Transform initial_value_;
  40   gfx::Transform target_value_;
  41   gfx::DecomposedTransform decomposed_initial_value_;
  42   gfx::DecomposedTransform decomposed_target_value_;
  43   base::TimeDelta duration_;
  44
  45   DISALLOW_ASSIGN(TransformAnimationCurveAdapter);
  46 };
  47
  48 class COMPOSITOR_EXPORT InverseTransformCurveAdapter
  49     : public cc::TransformAnimationCurve {
  50  public:
  51   InverseTransformCurveAdapter(TransformAnimationCurveAdapter base_curve,
  52                                gfx::Transform initial_value,
  53                                base::TimeDelta duration);
  54
  55   virtual ~InverseTransformCurveAdapter();
  56
  57   virtual double Duration() const OVERRIDE;
  58   virtual scoped_ptr<AnimationCurve> Clone() const OVERRIDE;
  59   virtual gfx::Transform GetValue(double t) const OVERRIDE;
  60   virtual bool AnimatedBoundsForBox(const gfx::BoxF& box,
  61                                     gfx::BoxF* bounds) const OVERRIDE;
  62   virtual bool AffectsScale() const OVERRIDE;
  63   virtual bool IsTranslation() const OVERRIDE;
  64   virtual bool MaximumScale(float* max_scale) const OVERRIDE;
  65
  66  private:
  67   TransformAnimationCurveAdapter base_curve_;
  68   gfx::Transform initial_value_;
  69   gfx::Transform effective_initial_value_;
  70   base::TimeDelta duration_;
  71
  72   DISALLOW_ASSIGN(InverseTransformCurveAdapter);
  73 };
  74
  75 }  // namespace ui
  76
  77 #endif  // UI_COMPOSITOR_TRANSFORM_ANIMATION_CURVE_ADAPTER_H_
  78