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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 #include "ui/events/gesture_detection/gesture_configuration.h" | 5 #include "ui/events/gesture_detection/gesture_configuration.h" |
6 | 6 |
7 #include "base/android/build_info.h" | 7 #include "base/android/build_info.h" |
8 #include "base/macros.h" | 8 #include "base/macros.h" |
9 #include "base/memory/singleton.h" | 9 #include "base/memory/singleton.h" |
| 10 #include "ui/display/screen.h" |
10 #include "ui/gfx/android/view_configuration.h" | 11 #include "ui/gfx/android/view_configuration.h" |
11 #include "ui/gfx/screen.h" | |
12 | 12 |
13 using gfx::ViewConfiguration; | 13 using gfx::ViewConfiguration; |
14 | 14 |
15 namespace ui { | 15 namespace ui { |
16 namespace { | 16 namespace { |
17 | 17 |
18 // Touch radii on Android can be both noisy and inaccurate. The old Java | 18 // Touch radii on Android can be both noisy and inaccurate. The old Java |
19 // gesture detection pipeline used a fixed value of 24 as the gesture bounds. | 19 // gesture detection pipeline used a fixed value of 24 as the gesture bounds. |
20 // We relax that value somewhat, but not by much; there's a fairly small window | 20 // We relax that value somewhat, but not by much; there's a fairly small window |
21 // within which gesture bounds are useful for features like touch adjustment. | 21 // within which gesture bounds are useful for features like touch adjustment. |
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72 }; | 72 }; |
73 | 73 |
74 } // namespace | 74 } // namespace |
75 | 75 |
76 // Create a GestureConfigurationAura singleton instance when using Android. | 76 // Create a GestureConfigurationAura singleton instance when using Android. |
77 GestureConfiguration* GestureConfiguration::GetPlatformSpecificInstance() { | 77 GestureConfiguration* GestureConfiguration::GetPlatformSpecificInstance() { |
78 return GestureConfigurationAndroid::GetInstance(); | 78 return GestureConfigurationAndroid::GetInstance(); |
79 } | 79 } |
80 | 80 |
81 } // namespace ui | 81 } // namespace ui |
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