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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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 COMPONENTS_EXO_POINTER_DELEGATE_H_ | 5 #ifndef COMPONENTS_EXO_POINTER_DELEGATE_H_ |
6 #define COMPONENTS_EXO_POINTER_DELEGATE_H_ | 6 #define COMPONENTS_EXO_POINTER_DELEGATE_H_ |
7 | 7 |
8 #include "base/time/time.h" | 8 #include "base/time/time.h" |
9 #include "ui/events/event_constants.h" | 9 #include "ui/events/event_constants.h" |
10 | 10 |
11 namespace gfx { | 11 namespace gfx { |
12 class Point; | |
13 class PointF; | 12 class PointF; |
14 class Vector2dF; | 13 class Vector2dF; |
15 } | 14 } |
16 | 15 |
17 namespace exo { | 16 namespace exo { |
18 class Pointer; | 17 class Pointer; |
19 class Surface; | 18 class Surface; |
20 | 19 |
21 // Handles events on pointers in context-specific ways. | 20 // Handles events on pointers in context-specific ways. |
22 class PointerDelegate { | 21 class PointerDelegate { |
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69 // this method is called. | 68 // this method is called. |
70 virtual void OnPointerFrame() = 0; | 69 virtual void OnPointerFrame() = 0; |
71 | 70 |
72 protected: | 71 protected: |
73 virtual ~PointerDelegate() {} | 72 virtual ~PointerDelegate() {} |
74 }; | 73 }; |
75 | 74 |
76 } // namespace exo | 75 } // namespace exo |
77 | 76 |
78 #endif // COMPONENTS_EXO_POINTER_DELEGATE_H_ | 77 #endif // COMPONENTS_EXO_POINTER_DELEGATE_H_ |
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