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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 #ifndef UI_EVENTS_GESTURE_DETECTION_GESTURE_PROVIDER_H_ | 5 #ifndef UI_EVENTS_GESTURE_DETECTION_GESTURE_PROVIDER_H_ |
6 #define UI_EVENTS_GESTURE_DETECTION_GESTURE_PROVIDER_H_ | 6 #define UI_EVENTS_GESTURE_DETECTION_GESTURE_PROVIDER_H_ |
7 | 7 |
8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
9 #include "base/memory/scoped_ptr.h" | 9 #include "base/memory/scoped_ptr.h" |
10 #include "ui/events/gesture_detection/gesture_detection_export.h" | 10 #include "ui/events/gesture_detection/gesture_detection_export.h" |
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35 | 35 |
36 // If |disable_click_delay| is true and double-tap support is disabled, | 36 // If |disable_click_delay| is true and double-tap support is disabled, |
37 // there will be no delay before tap events. When double-tap support is | 37 // there will be no delay before tap events. When double-tap support is |
38 // enabled, there will always be a delay before a tap event is fired, in | 38 // enabled, there will always be a delay before a tap event is fired, in |
39 // order to allow the double tap gesture to occur without firing any tap | 39 // order to allow the double tap gesture to occur without firing any tap |
40 // events. | 40 // events. |
41 bool disable_click_delay; | 41 bool disable_click_delay; |
42 | 42 |
43 // If |gesture_begin_end_types_enabled| is true, fire an ET_GESTURE_BEGIN | 43 // If |gesture_begin_end_types_enabled| is true, fire an ET_GESTURE_BEGIN |
44 // event for every added touch point, and an ET_GESTURE_END event for every | 44 // event for every added touch point, and an ET_GESTURE_END event for every |
45 // removed touch point. Defaults to false. | 45 // removed touch point. This requires one ACTION_CANCEL event to be sent per |
| 46 // touch point, which only occurs on Aura. Defaults to false. |
46 bool gesture_begin_end_types_enabled; | 47 bool gesture_begin_end_types_enabled; |
47 | 48 |
48 // The min and max size (both length and width, in dips) of the generated | 49 // The min and max size (both length and width, in dips) of the generated |
49 // bounding box for all gesture types. This is useful for touch streams | 50 // bounding box for all gesture types. This is useful for touch streams |
50 // that may report zero or unreasonably small or large touch sizes. | 51 // that may report zero or unreasonably small or large touch sizes. |
51 // Both values default to 0 (disabled). | 52 // Both values default to 0 (disabled). |
52 float min_gesture_bounds_length; | 53 float min_gesture_bounds_length; |
53 float max_gesture_bounds_length; | 54 float max_gesture_bounds_length; |
54 }; | 55 }; |
55 | 56 |
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129 | 130 |
130 const bool gesture_begin_end_types_enabled_; | 131 const bool gesture_begin_end_types_enabled_; |
131 | 132 |
132 const float min_gesture_bounds_length_; | 133 const float min_gesture_bounds_length_; |
133 const float max_gesture_bounds_length_; | 134 const float max_gesture_bounds_length_; |
134 }; | 135 }; |
135 | 136 |
136 } // namespace ui | 137 } // namespace ui |
137 | 138 |
138 #endif // UI_EVENTS_GESTURE_DETECTION_GESTURE_PROVIDER_H_ | 139 #endif // UI_EVENTS_GESTURE_DETECTION_GESTURE_PROVIDER_H_ |
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