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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CC_ANIMATION_SCROLL_OFFSET_ANIMATION_CURVE_H_ | 5 #ifndef CC_ANIMATION_SCROLL_OFFSET_ANIMATION_CURVE_H_ |
6 #define CC_ANIMATION_SCROLL_OFFSET_ANIMATION_CURVE_H_ | 6 #define CC_ANIMATION_SCROLL_OFFSET_ANIMATION_CURVE_H_ |
7 | 7 |
8 #include "base/memory/scoped_ptr.h" | 8 #include "base/memory/scoped_ptr.h" |
9 #include "base/time/time.h" | 9 #include "base/time/time.h" |
10 #include "cc/animation/animation_curve.h" | 10 #include "cc/animation/animation_curve.h" |
11 #include "cc/base/cc_export.h" | 11 #include "cc/base/cc_export.h" |
| 12 #include "ui/gfx/geometry/scroll_offset.h" |
12 | 13 |
13 namespace cc { | 14 namespace cc { |
14 | 15 |
15 class TimingFunction; | 16 class TimingFunction; |
16 | 17 |
17 class CC_EXPORT ScrollOffsetAnimationCurve : public AnimationCurve { | 18 class CC_EXPORT ScrollOffsetAnimationCurve : public AnimationCurve { |
18 public: | 19 public: |
19 static scoped_ptr<ScrollOffsetAnimationCurve> Create( | 20 static scoped_ptr<ScrollOffsetAnimationCurve> Create( |
20 const gfx::Vector2dF& target_value, | 21 const gfx::ScrollOffset& target_value, |
21 scoped_ptr<TimingFunction> timing_function); | 22 scoped_ptr<TimingFunction> timing_function); |
22 | 23 |
23 virtual ~ScrollOffsetAnimationCurve(); | 24 virtual ~ScrollOffsetAnimationCurve(); |
24 | 25 |
25 void SetInitialValue(const gfx::Vector2dF& initial_value); | 26 void SetInitialValue(const gfx::ScrollOffset& initial_value); |
26 gfx::Vector2dF GetValue(double t) const; | 27 gfx::ScrollOffset GetValue(double t) const; |
27 gfx::Vector2dF target_value() const { return target_value_; } | 28 gfx::ScrollOffset target_value() const { return target_value_; } |
28 void UpdateTarget(double t, const gfx::Vector2dF& new_target); | 29 void UpdateTarget(double t, const gfx::ScrollOffset& new_target); |
29 | 30 |
30 // AnimationCurve implementation | 31 // AnimationCurve implementation |
31 virtual double Duration() const OVERRIDE; | 32 virtual double Duration() const OVERRIDE; |
32 virtual CurveType Type() const OVERRIDE; | 33 virtual CurveType Type() const OVERRIDE; |
33 virtual scoped_ptr<AnimationCurve> Clone() const OVERRIDE; | 34 virtual scoped_ptr<AnimationCurve> Clone() const OVERRIDE; |
34 | 35 |
35 private: | 36 private: |
36 ScrollOffsetAnimationCurve(const gfx::Vector2dF& target_value, | 37 ScrollOffsetAnimationCurve(const gfx::ScrollOffset& target_value, |
37 scoped_ptr <TimingFunction> timing_function); | 38 scoped_ptr <TimingFunction> timing_function); |
38 | 39 |
39 gfx::Vector2dF initial_value_; | 40 gfx::ScrollOffset initial_value_; |
40 gfx::Vector2dF target_value_; | 41 gfx::ScrollOffset target_value_; |
41 base::TimeDelta total_animation_duration_; | 42 base::TimeDelta total_animation_duration_; |
42 | 43 |
43 // Time from animation start to most recent UpdateTarget. | 44 // Time from animation start to most recent UpdateTarget. |
44 base::TimeDelta last_retarget_; | 45 base::TimeDelta last_retarget_; |
45 | 46 |
46 scoped_ptr<TimingFunction> timing_function_; | 47 scoped_ptr<TimingFunction> timing_function_; |
47 | 48 |
48 DISALLOW_COPY_AND_ASSIGN(ScrollOffsetAnimationCurve); | 49 DISALLOW_COPY_AND_ASSIGN(ScrollOffsetAnimationCurve); |
49 }; | 50 }; |
50 | 51 |
51 } // namespace cc | 52 } // namespace cc |
52 | 53 |
53 #endif // CC_ANIMATION_SCROLL_OFFSET_ANIMATION_CURVE_H_ | 54 #endif // CC_ANIMATION_SCROLL_OFFSET_ANIMATION_CURVE_H_ |
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