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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 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 UI_ANDROID_OVERSCROLL_GLOW_H_ | 5 #ifndef UI_ANDROID_OVERSCROLL_GLOW_H_ |
6 #define UI_ANDROID_OVERSCROLL_GLOW_H_ | 6 #define UI_ANDROID_OVERSCROLL_GLOW_H_ |
7 | 7 |
| 8 #include <memory> |
| 9 |
8 #include "base/macros.h" | 10 #include "base/macros.h" |
9 #include "base/memory/ref_counted.h" | 11 #include "base/memory/ref_counted.h" |
10 #include "base/memory/scoped_ptr.h" | |
11 #include "base/time/time.h" | 12 #include "base/time/time.h" |
12 #include "ui/android/edge_effect_base.h" | 13 #include "ui/android/edge_effect_base.h" |
13 #include "ui/android/ui_android_export.h" | 14 #include "ui/android/ui_android_export.h" |
14 #include "ui/gfx/geometry/size_f.h" | 15 #include "ui/gfx/geometry/size_f.h" |
15 #include "ui/gfx/geometry/vector2d_f.h" | 16 #include "ui/gfx/geometry/vector2d_f.h" |
16 | 17 |
17 namespace cc { | 18 namespace cc { |
18 class Layer; | 19 class Layer; |
19 } | 20 } |
20 | 21 |
21 namespace ui { | 22 namespace ui { |
22 | 23 |
23 // Provides lazy, customized EdgeEffect creation. | 24 // Provides lazy, customized EdgeEffect creation. |
24 class UI_ANDROID_EXPORT OverscrollGlowClient { | 25 class UI_ANDROID_EXPORT OverscrollGlowClient { |
25 public: | 26 public: |
26 virtual ~OverscrollGlowClient() {} | 27 virtual ~OverscrollGlowClient() {} |
27 | 28 |
28 // Called lazily, after the initial overscrolling event. | 29 // Called lazily, after the initial overscrolling event. |
29 virtual scoped_ptr<EdgeEffectBase> CreateEdgeEffect() = 0; | 30 virtual std::unique_ptr<EdgeEffectBase> CreateEdgeEffect() = 0; |
30 }; | 31 }; |
31 | 32 |
32 /* |OverscrollGlow| mirrors its Android counterpart, OverscrollGlow.java. | 33 /* |OverscrollGlow| mirrors its Android counterpart, OverscrollGlow.java. |
33 * Conscious tradeoffs were made to align this as closely as possible with the | 34 * Conscious tradeoffs were made to align this as closely as possible with the |
34 * original Android Java version. | 35 * original Android Java version. |
35 */ | 36 */ |
36 class UI_ANDROID_EXPORT OverscrollGlow { | 37 class UI_ANDROID_EXPORT OverscrollGlow { |
37 public: | 38 public: |
38 // |client| must be valid for the duration of the effect's lifetime. | 39 // |client| must be valid for the duration of the effect's lifetime. |
39 // The effect is enabled by default, but will remain dormant until the first | 40 // The effect is enabled by default, but will remain dormant until the first |
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87 const gfx::Vector2dF& overscroll_location); | 88 const gfx::Vector2dF& overscroll_location); |
88 void Absorb(base::TimeTicks current_time, | 89 void Absorb(base::TimeTicks current_time, |
89 const gfx::Vector2dF& velocity, | 90 const gfx::Vector2dF& velocity, |
90 bool x_overscroll_started, | 91 bool x_overscroll_started, |
91 bool y_overscroll_started); | 92 bool y_overscroll_started); |
92 void Release(base::TimeTicks current_time); | 93 void Release(base::TimeTicks current_time); |
93 | 94 |
94 EdgeEffectBase* GetOppositeEdge(int edge_index); | 95 EdgeEffectBase* GetOppositeEdge(int edge_index); |
95 | 96 |
96 OverscrollGlowClient* const client_; | 97 OverscrollGlowClient* const client_; |
97 scoped_ptr<EdgeEffectBase> edge_effects_[EDGE_COUNT]; | 98 std::unique_ptr<EdgeEffectBase> edge_effects_[EDGE_COUNT]; |
98 | 99 |
99 gfx::SizeF viewport_size_; | 100 gfx::SizeF viewport_size_; |
100 float edge_offsets_[EDGE_COUNT]; | 101 float edge_offsets_[EDGE_COUNT]; |
101 bool initialized_; | 102 bool initialized_; |
102 bool allow_horizontal_overscroll_; | 103 bool allow_horizontal_overscroll_; |
103 bool allow_vertical_overscroll_; | 104 bool allow_vertical_overscroll_; |
104 | 105 |
105 scoped_refptr<cc::Layer> root_layer_; | 106 scoped_refptr<cc::Layer> root_layer_; |
106 | 107 |
107 DISALLOW_COPY_AND_ASSIGN(OverscrollGlow); | 108 DISALLOW_COPY_AND_ASSIGN(OverscrollGlow); |
108 }; | 109 }; |
109 | 110 |
110 } // namespace ui | 111 } // namespace ui |
111 | 112 |
112 #endif // UI_ANDROID_OVERSCROLL_GLOW_H_ | 113 #endif // UI_ANDROID_OVERSCROLL_GLOW_H_ |
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