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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_RECOGNIZER_IMPL_H_ | 5 #ifndef UI_EVENTS_GESTURES_GESTURE_RECOGNIZER_IMPL_H_ |
6 #define UI_EVENTS_GESTURES_GESTURE_RECOGNIZER_IMPL_H_ | 6 #define UI_EVENTS_GESTURES_GESTURE_RECOGNIZER_IMPL_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 #include <vector> | 9 #include <vector> |
10 | 10 |
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24 | 24 |
25 // TODO(tdresser): Once the unified gesture recognition process sticks | 25 // TODO(tdresser): Once the unified gesture recognition process sticks |
26 // (crbug.com/332418), GestureRecognizerImpl can be cleaned up | 26 // (crbug.com/332418), GestureRecognizerImpl can be cleaned up |
27 // significantly. | 27 // significantly. |
28 class EVENTS_EXPORT GestureRecognizerImpl : public GestureRecognizer, | 28 class EVENTS_EXPORT GestureRecognizerImpl : public GestureRecognizer, |
29 public GestureProviderImplClient { | 29 public GestureProviderImplClient { |
30 public: | 30 public: |
31 typedef std::map<int, GestureConsumer*> TouchIdToConsumerMap; | 31 typedef std::map<int, GestureConsumer*> TouchIdToConsumerMap; |
32 | 32 |
33 GestureRecognizerImpl(); | 33 GestureRecognizerImpl(); |
34 virtual ~GestureRecognizerImpl(); | 34 ~GestureRecognizerImpl() override; |
35 | 35 |
36 std::vector<GestureEventHelper*>& helpers() { return helpers_; } | 36 std::vector<GestureEventHelper*>& helpers() { return helpers_; } |
37 | 37 |
38 // Overridden from GestureRecognizer | 38 // Overridden from GestureRecognizer |
39 virtual GestureConsumer* GetTouchLockedTarget( | 39 GestureConsumer* GetTouchLockedTarget( |
40 const TouchEvent& event) override; | 40 const TouchEvent& event) override; |
41 virtual GestureConsumer* GetTargetForGestureEvent( | 41 GestureConsumer* GetTargetForGestureEvent( |
42 const GestureEvent& event) override; | 42 const GestureEvent& event) override; |
43 virtual GestureConsumer* GetTargetForLocation( | 43 GestureConsumer* GetTargetForLocation( |
44 const gfx::PointF& location, int source_device_id) override; | 44 const gfx::PointF& location, int source_device_id) override; |
45 virtual void TransferEventsTo(GestureConsumer* current_consumer, | 45 void TransferEventsTo(GestureConsumer* current_consumer, |
46 GestureConsumer* new_consumer) override; | 46 GestureConsumer* new_consumer) override; |
47 virtual bool GetLastTouchPointForTarget(GestureConsumer* consumer, | 47 bool GetLastTouchPointForTarget(GestureConsumer* consumer, |
48 gfx::PointF* point) override; | 48 gfx::PointF* point) override; |
49 virtual bool CancelActiveTouches(GestureConsumer* consumer) override; | 49 bool CancelActiveTouches(GestureConsumer* consumer) override; |
50 | 50 |
51 protected: | 51 protected: |
52 virtual GestureProviderImpl* GetGestureProviderForConsumer( | 52 virtual GestureProviderImpl* GetGestureProviderForConsumer( |
53 GestureConsumer* c); | 53 GestureConsumer* c); |
54 | 54 |
55 private: | 55 private: |
56 // Sets up the target consumer for gestures based on the touch-event. | 56 // Sets up the target consumer for gestures based on the touch-event. |
57 void SetupTargets(const TouchEvent& event, GestureConsumer* consumer); | 57 void SetupTargets(const TouchEvent& event, GestureConsumer* consumer); |
58 | 58 |
59 void DispatchGestureEvent(GestureEvent* event); | 59 void DispatchGestureEvent(GestureEvent* event); |
60 | 60 |
61 // Overridden from GestureRecognizer | 61 // Overridden from GestureRecognizer |
62 virtual bool ProcessTouchEventPreDispatch(const TouchEvent& event, | 62 bool ProcessTouchEventPreDispatch(const TouchEvent& event, |
63 GestureConsumer* consumer) override; | 63 GestureConsumer* consumer) override; |
64 | 64 |
65 virtual Gestures* ProcessTouchEventPostDispatch( | 65 Gestures* ProcessTouchEventPostDispatch( |
66 const TouchEvent& event, | 66 const TouchEvent& event, |
67 ui::EventResult result, | 67 ui::EventResult result, |
68 GestureConsumer* consumer) override; | 68 GestureConsumer* consumer) override; |
69 | 69 |
70 virtual Gestures* ProcessTouchEventOnAsyncAck( | 70 Gestures* ProcessTouchEventOnAsyncAck( |
71 const TouchEvent& event, | 71 const TouchEvent& event, |
72 ui::EventResult result, | 72 ui::EventResult result, |
73 GestureConsumer* consumer) override; | 73 GestureConsumer* consumer) override; |
74 | 74 |
75 virtual bool CleanupStateForConsumer(GestureConsumer* consumer) | 75 bool CleanupStateForConsumer(GestureConsumer* consumer) override; |
76 override; | 76 void AddGestureEventHelper(GestureEventHelper* helper) override; |
77 virtual void AddGestureEventHelper(GestureEventHelper* helper) override; | 77 void RemoveGestureEventHelper(GestureEventHelper* helper) override; |
78 virtual void RemoveGestureEventHelper(GestureEventHelper* helper) override; | |
79 | 78 |
80 // Overridden from GestureProviderImplClient | 79 // Overridden from GestureProviderImplClient |
81 virtual void OnGestureEvent(GestureEvent* event) override; | 80 void OnGestureEvent(GestureEvent* event) override; |
82 | 81 |
83 // Convenience method to find the GestureEventHelper that can dispatch events | 82 // Convenience method to find the GestureEventHelper that can dispatch events |
84 // to a specific |consumer|. | 83 // to a specific |consumer|. |
85 GestureEventHelper* FindDispatchHelperForConsumer(GestureConsumer* consumer); | 84 GestureEventHelper* FindDispatchHelperForConsumer(GestureConsumer* consumer); |
86 std::map<GestureConsumer*, GestureProviderImpl*> consumer_gesture_provider_; | 85 std::map<GestureConsumer*, GestureProviderImpl*> consumer_gesture_provider_; |
87 | 86 |
88 // Both |touch_id_target_| and |touch_id_target_for_gestures_| map a touch-id | 87 // Both |touch_id_target_| and |touch_id_target_for_gestures_| map a touch-id |
89 // to its target window. touch-ids are removed from |touch_id_target_| on | 88 // to its target window. touch-ids are removed from |touch_id_target_| on |
90 // ET_TOUCH_RELEASE and ET_TOUCH_CANCEL. |touch_id_target_for_gestures_| are | 89 // ET_TOUCH_RELEASE and ET_TOUCH_CANCEL. |touch_id_target_for_gestures_| are |
91 // removed in ConsumerDestroyed(). | 90 // removed in ConsumerDestroyed(). |
92 TouchIdToConsumerMap touch_id_target_; | 91 TouchIdToConsumerMap touch_id_target_; |
93 TouchIdToConsumerMap touch_id_target_for_gestures_; | 92 TouchIdToConsumerMap touch_id_target_for_gestures_; |
94 | 93 |
95 std::vector<GestureEventHelper*> helpers_; | 94 std::vector<GestureEventHelper*> helpers_; |
96 | 95 |
97 DISALLOW_COPY_AND_ASSIGN(GestureRecognizerImpl); | 96 DISALLOW_COPY_AND_ASSIGN(GestureRecognizerImpl); |
98 }; | 97 }; |
99 | 98 |
100 // Provided only for testing: | 99 // Provided only for testing: |
101 EVENTS_EXPORT void SetGestureRecognizerForTesting( | 100 EVENTS_EXPORT void SetGestureRecognizerForTesting( |
102 GestureRecognizer* gesture_recognizer); | 101 GestureRecognizer* gesture_recognizer); |
103 | 102 |
104 } // namespace ui | 103 } // namespace ui |
105 | 104 |
106 #endif // UI_EVENTS_GESTURES_GESTURE_RECOGNIZER_IMPL_H_ | 105 #endif // UI_EVENTS_GESTURES_GESTURE_RECOGNIZER_IMPL_H_ |
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