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   ~TransformAnimationCurveAdapter() override;
  26
  27   // TransformAnimationCurve implementation.
  28   base::TimeDelta Duration() const override;
  29   scoped_ptr<AnimationCurve> Clone() const override;
  30   gfx::Transform GetValue(base::TimeDelta t) const override;
  31   bool AnimatedBoundsForBox(const gfx::BoxF& box,
  32                             gfx::BoxF* bounds) const override;
  33   bool AffectsScale() const override;
  34   bool IsTranslation() const override;
  35   bool PreservesAxisAlignment() const override;
  36   bool MaximumTargetScale(bool forward_direction,
  37                           float* max_scale) const override;
  38
  39  private:
  40   gfx::Tween::Type tween_type_;
  41   gfx::Transform initial_value_;
  42   gfx::Transform target_value_;
  43   gfx::DecomposedTransform decomposed_initial_value_;
  44   gfx::DecomposedTransform decomposed_target_value_;
  45   base::TimeDelta duration_;
  46
  47   DISALLOW_ASSIGN(TransformAnimationCurveAdapter);
  48 };
  49
  50 class COMPOSITOR_EXPORT InverseTransformCurveAdapter
  51     : public cc::TransformAnimationCurve {
  52  public:
  53   InverseTransformCurveAdapter(TransformAnimationCurveAdapter base_curve,
  54                                gfx::Transform initial_value,
  55                                base::TimeDelta duration);
  56
  57   ~InverseTransformCurveAdapter() override;
  58
  59   base::TimeDelta Duration() const override;
  60   scoped_ptr<AnimationCurve> Clone() const override;
  61   gfx::Transform GetValue(base::TimeDelta t) const override;
  62   bool AnimatedBoundsForBox(const gfx::BoxF& box,
  63                             gfx::BoxF* bounds) const override;
  64   bool AffectsScale() const override;
  65   bool IsTranslation() const override;
  66   bool PreservesAxisAlignment() const override;
  67   bool MaximumTargetScale(bool forward_direction,
  68                           float* max_scale) const override;
  69
  70  private:
  71   TransformAnimationCurveAdapter base_curve_;
  72   gfx::Transform initial_value_;
  73   gfx::Transform effective_initial_value_;
  74   base::TimeDelta duration_;
  75
  76   DISALLOW_ASSIGN(InverseTransformCurveAdapter);
  77 };
  78
  79 }  // namespace ui
  80
  81 #endif  // UI_COMPOSITOR_TRANSFORM_ANIMATION_CURVE_ADAPTER_H_
  82