transform_animation_curve_adapter.h revision e5d81f57cb97b3b6b7fccc9c5610d21eb81db09d 
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
15namespace ui {
16
17class 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
35 private:
36  gfx::Tween::Type tween_type_;
37  gfx::Transform initial_value_;
38  gfx::Transform target_value_;
39  gfx::DecomposedTransform decomposed_initial_value_;
40  gfx::DecomposedTransform decomposed_target_value_;
41  base::TimeDelta duration_;
42
43  DISALLOW_ASSIGN(TransformAnimationCurveAdapter);
44};
45
46class COMPOSITOR_EXPORT InverseTransformCurveAdapter
47    : public cc::TransformAnimationCurve {
48 public:
49  InverseTransformCurveAdapter(TransformAnimationCurveAdapter base_curve,
50                               gfx::Transform initial_value,
51                               base::TimeDelta duration);
52
53  virtual ~InverseTransformCurveAdapter();
54
55  virtual double Duration() const OVERRIDE;
56  virtual scoped_ptr<AnimationCurve> Clone() const OVERRIDE;
57  virtual gfx::Transform GetValue(double t) const OVERRIDE;
58  virtual bool AnimatedBoundsForBox(const gfx::BoxF& box,
59                                    gfx::BoxF* bounds) const OVERRIDE;
60  virtual bool AffectsScale() const OVERRIDE;
61
62 private:
63  TransformAnimationCurveAdapter base_curve_;
64  gfx::Transform initial_value_;
65  gfx::Transform effective_initial_value_;
66  base::TimeDelta duration_;
67
68  DISALLOW_ASSIGN(InverseTransformCurveAdapter);
69};
70
71}  // namespace ui
72
73#endif  // UI_COMPOSITOR_TRANSFORM_ANIMATION_CURVE_ADAPTER_H_
74
75