It is time.

ui/compositor/transform_animation_curve_adapter.h

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef UI_COMPOSITOR_TRANSFORM_ANIMATION_CURVE_ADAPTER_H_
-#define UI_COMPOSITOR_TRANSFORM_ANIMATION_CURVE_ADAPTER_H_
-
-#include "base/time/time.h"
-#include "cc/animation/animation_curve.h"
-#include "ui/compositor/compositor_export.h"
-#include "ui/gfx/animation/tween.h"
-#include "ui/gfx/transform.h"
-#include "ui/gfx/transform_util.h"
-
-namespace ui {
-
-class COMPOSITOR_EXPORT TransformAnimationCurveAdapter
-    : public cc::TransformAnimationCurve {
- public:
-  TransformAnimationCurveAdapter(gfx::Tween::Type tween_type,
-                                 gfx::Transform intial_value,
-                                 gfx::Transform target_value,
-                                 base::TimeDelta duration);
-
-  ~TransformAnimationCurveAdapter() override;
-
-  // TransformAnimationCurve implementation.
-  base::TimeDelta Duration() const override;
-  scoped_ptr<AnimationCurve> Clone() const override;
-  gfx::Transform GetValue(base::TimeDelta t) const override;
-  bool AnimatedBoundsForBox(const gfx::BoxF& box,
-                            gfx::BoxF* bounds) const override;
-  bool AffectsScale() const override;
-  bool IsTranslation() const override;
-  bool PreservesAxisAlignment() const override;
-  bool MaximumTargetScale(bool forward_direction,
-                          float* max_scale) const override;
-
- private:
-  gfx::Tween::Type tween_type_;
-  gfx::Transform initial_value_;
-  gfx::Transform target_value_;
-  gfx::DecomposedTransform decomposed_initial_value_;
-  gfx::DecomposedTransform decomposed_target_value_;
-  base::TimeDelta duration_;
-
-  DISALLOW_ASSIGN(TransformAnimationCurveAdapter);
-};
-
-class COMPOSITOR_EXPORT InverseTransformCurveAdapter
-    : public cc::TransformAnimationCurve {
- public:
-  InverseTransformCurveAdapter(TransformAnimationCurveAdapter base_curve,
-                               gfx::Transform initial_value,
-                               base::TimeDelta duration);
-
-  ~InverseTransformCurveAdapter() override;
-
-  base::TimeDelta Duration() const override;
-  scoped_ptr<AnimationCurve> Clone() const override;
-  gfx::Transform GetValue(base::TimeDelta t) const override;
-  bool AnimatedBoundsForBox(const gfx::BoxF& box,
-                            gfx::BoxF* bounds) const override;
-  bool AffectsScale() const override;
-  bool IsTranslation() const override;
-  bool PreservesAxisAlignment() const override;
-  bool MaximumTargetScale(bool forward_direction,
-                          float* max_scale) const override;
-
- private:
-  TransformAnimationCurveAdapter base_curve_;
-  gfx::Transform initial_value_;
-  gfx::Transform effective_initial_value_;
-  base::TimeDelta duration_;
-
-  DISALLOW_ASSIGN(InverseTransformCurveAdapter);
-};
-
-}  // namespace ui
-
-#endif  // UI_COMPOSITOR_TRANSFORM_ANIMATION_CURVE_ADAPTER_H_
-