transform_animation_curve_adapter.h revision 1675a649fd7a8b3cb80ffddae2dc181f122353c5 
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  virtual bool IsTranslation() const OVERRIDE;
35  virtual bool MaximumTargetScale(bool forward_direction,
36                                  float* max_scale) const OVERRIDE;
37
38 private:
39  gfx::Tween::Type tween_type_;
40  gfx::Transform initial_value_;
41  gfx::Transform target_value_;
42  gfx::DecomposedTransform decomposed_initial_value_;
43  gfx::DecomposedTransform decomposed_target_value_;
44  base::TimeDelta duration_;
45
46  DISALLOW_ASSIGN(TransformAnimationCurveAdapter);
47};
48
49class COMPOSITOR_EXPORT InverseTransformCurveAdapter
50    : public cc::TransformAnimationCurve {
51 public:
52  InverseTransformCurveAdapter(TransformAnimationCurveAdapter base_curve,
53                               gfx::Transform initial_value,
54                               base::TimeDelta duration);
55
56  virtual ~InverseTransformCurveAdapter();
57
58  virtual double Duration() const OVERRIDE;
59  virtual scoped_ptr<AnimationCurve> Clone() const OVERRIDE;
60  virtual gfx::Transform GetValue(double t) const OVERRIDE;
61  virtual bool AnimatedBoundsForBox(const gfx::BoxF& box,
62                                    gfx::BoxF* bounds) const OVERRIDE;
63  virtual bool AffectsScale() const OVERRIDE;
64  virtual bool IsTranslation() const OVERRIDE;
65  virtual bool MaximumTargetScale(bool forward_direction,
66                                  float* max_scale) const OVERRIDE;
67
68 private:
69  TransformAnimationCurveAdapter base_curve_;
70  gfx::Transform initial_value_;
71  gfx::Transform effective_initial_value_;
72  base::TimeDelta duration_;
73
74  DISALLOW_ASSIGN(InverseTransformCurveAdapter);
75};
76
77}  // namespace ui
78
79#endif  // UI_COMPOSITOR_TRANSFORM_ANIMATION_CURVE_ADAPTER_H_
80
81