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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_EVENTS_GESTURES_GESTURE_TYPES_H_ | 5 #ifndef UI_EVENTS_GESTURES_GESTURE_TYPES_H_ |
6 #define UI_EVENTS_GESTURES_GESTURE_TYPES_H_ | 6 #define UI_EVENTS_GESTURES_GESTURE_TYPES_H_ |
7 | 7 |
8 #include "ui/events/events_export.h" | 8 #include "ui/events/events_export.h" |
9 | 9 |
10 namespace ui { | 10 namespace ui { |
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21 | 21 |
22 // GestureEventHelper creates implementation-specific gesture events and | 22 // GestureEventHelper creates implementation-specific gesture events and |
23 // can dispatch them. | 23 // can dispatch them. |
24 class EVENTS_EXPORT GestureEventHelper { | 24 class EVENTS_EXPORT GestureEventHelper { |
25 public: | 25 public: |
26 virtual ~GestureEventHelper() { | 26 virtual ~GestureEventHelper() { |
27 } | 27 } |
28 | 28 |
29 // Returns true if this helper can dispatch events to |consumer|. | 29 // Returns true if this helper can dispatch events to |consumer|. |
30 virtual bool CanDispatchToConsumer(GestureConsumer* consumer) = 0; | 30 virtual bool CanDispatchToConsumer(GestureConsumer* consumer) = 0; |
31 virtual void DispatchPostponedGestureEvent(GestureEvent* event) = 0; | 31 virtual void DispatchGestureEvent(GestureEvent* event) = 0; |
32 virtual void DispatchCancelTouchEvent(TouchEvent* event) = 0; | 32 virtual void DispatchCancelTouchEvent(TouchEvent* event) = 0; |
33 }; | 33 }; |
34 | 34 |
35 } // namespace ui | 35 } // namespace ui |
36 | 36 |
37 #endif // UI_EVENTS_GESTURES_GESTURE_TYPES_H_ | 37 #endif // UI_EVENTS_GESTURES_GESTURE_TYPES_H_ |
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