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1 /* | 1 /* |
2 * Copyright 2008, The Android Open Source Project | 2 * Copyright 2008, The Android Open Source Project |
3 * Copyright (C) 2012 Research In Motion Limited. All rights reserved. | 3 * Copyright (C) 2012 Research In Motion Limited. All rights reserved. |
4 * | 4 * |
5 * Redistribution and use in source and binary forms, with or without | 5 * Redistribution and use in source and binary forms, with or without |
6 * modification, are permitted provided that the following conditions | 6 * modification, are permitted provided that the following conditions |
7 * are met: | 7 * are met: |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above copyright | 10 * * Redistributions in binary form must reproduce the above copyright |
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25 */ | 25 */ |
26 | 26 |
27 #ifndef TouchEvent_h | 27 #ifndef TouchEvent_h |
28 #define TouchEvent_h | 28 #define TouchEvent_h |
29 | 29 |
30 #include "core/CoreExport.h" | 30 #include "core/CoreExport.h" |
31 #include "core/dom/TouchList.h" | 31 #include "core/dom/TouchList.h" |
32 #include "core/events/EventDispatchMediator.h" | 32 #include "core/events/EventDispatchMediator.h" |
33 #include "core/events/TouchEventInit.h" | 33 #include "core/events/TouchEventInit.h" |
34 #include "core/events/UIEventWithKeyState.h" | 34 #include "core/events/UIEventWithKeyState.h" |
35 #include "public/platform/WebPointerProperties.h" | 35 #include "public/platform/WebTouchEvent.h" |
36 | 36 |
37 namespace blink { | 37 namespace blink { |
38 | 38 |
39 class CORE_EXPORT TouchEvent final : public UIEventWithKeyState { | 39 class CORE_EXPORT TouchEvent final : public UIEventWithKeyState { |
40 DEFINE_WRAPPERTYPEINFO(); | 40 DEFINE_WRAPPERTYPEINFO(); |
41 | 41 |
42 public: | 42 public: |
43 ~TouchEvent() override; | 43 ~TouchEvent() override; |
44 | 44 |
45 // We only initialize sourceCapabilities when we create TouchEvent from | 45 // We only initialize sourceCapabilities when we create TouchEvent from |
46 // EventHandler, null if it is from JavaScript. | 46 // EventHandler, null if it is from JavaScript. |
47 static TouchEvent* create() { return new TouchEvent; } | 47 static TouchEvent* create() { return new TouchEvent; } |
48 static TouchEvent* create(TouchList* touches, | 48 static TouchEvent* create(const WebTouchEvent& event, |
| 49 TouchList* touches, |
49 TouchList* targetTouches, | 50 TouchList* targetTouches, |
50 TouchList* changedTouches, | 51 TouchList* changedTouches, |
51 const AtomicString& type, | 52 const AtomicString& type, |
52 AbstractView* view, | 53 AbstractView* view, |
53 PlatformEvent::Modifiers modifiers, | 54 TouchAction currentTouchAction) { |
54 bool cancelable, | 55 return new TouchEvent(event, touches, targetTouches, changedTouches, type, |
55 bool causesScrollingIfUncanceled, | 56 view, currentTouchAction); |
56 bool firstTouchMoveOrStart, | |
57 TimeTicks platformTimeStamp, | |
58 TouchAction currentTouchAction, | |
59 WebPointerProperties::PointerType pointerType) { | |
60 return new TouchEvent(touches, targetTouches, changedTouches, type, view, | |
61 modifiers, cancelable, causesScrollingIfUncanceled, | |
62 firstTouchMoveOrStart, platformTimeStamp, | |
63 currentTouchAction, pointerType); | |
64 } | 57 } |
65 | 58 |
66 static TouchEvent* create(const AtomicString& type, | 59 static TouchEvent* create(const AtomicString& type, |
67 const TouchEventInit& initializer) { | 60 const TouchEventInit& initializer) { |
68 return new TouchEvent(type, initializer); | 61 return new TouchEvent(type, initializer); |
69 } | 62 } |
70 | 63 |
71 TouchList* touches() const { return m_touches.get(); } | 64 TouchList* touches() const { return m_touches.get(); } |
72 TouchList* targetTouches() const { return m_targetTouches.get(); } | 65 TouchList* targetTouches() const { return m_targetTouches.get(); } |
73 TouchList* changedTouches() const { return m_changedTouches.get(); } | 66 TouchList* changedTouches() const { return m_changedTouches.get(); } |
74 | 67 |
75 void setTouches(TouchList* touches) { m_touches = touches; } | 68 void setTouches(TouchList* touches) { m_touches = touches; } |
76 void setTargetTouches(TouchList* targetTouches) { | 69 void setTargetTouches(TouchList* targetTouches) { |
77 m_targetTouches = targetTouches; | 70 m_targetTouches = targetTouches; |
78 } | 71 } |
79 void setChangedTouches(TouchList* changedTouches) { | 72 void setChangedTouches(TouchList* changedTouches) { |
80 m_changedTouches = changedTouches; | 73 m_changedTouches = changedTouches; |
81 } | 74 } |
82 | 75 |
83 bool causesScrollingIfUncanceled() const { | |
84 return m_causesScrollingIfUncanceled; | |
85 } | |
86 | |
87 bool isTouchEvent() const override; | 76 bool isTouchEvent() const override; |
88 | 77 |
89 const AtomicString& interfaceName() const override; | 78 const AtomicString& interfaceName() const override; |
90 | 79 |
91 void preventDefault() override; | 80 void preventDefault() override; |
92 | 81 |
93 void doneDispatchingEventAtCurrentTarget() override; | 82 void doneDispatchingEventAtCurrentTarget() override; |
94 | 83 |
95 EventDispatchMediator* createMediator() override; | 84 EventDispatchMediator* createMediator() override; |
96 | 85 |
97 // Transient property to inform PPAPI of touch pointer types. Will be replaced | 86 const WebTouchEvent* nativeEvent() const { return m_nativeEvent.get(); } |
98 // when blink transitions to handling end-to-end pointer events. | |
99 WebPointerProperties::PointerType pointerType() const { | |
100 return m_pointerType; | |
101 } | |
102 | 87 |
103 DECLARE_VIRTUAL_TRACE(); | 88 DECLARE_VIRTUAL_TRACE(); |
104 | 89 |
105 private: | 90 private: |
106 TouchEvent(); | 91 TouchEvent(); |
107 TouchEvent(TouchList* touches, | 92 TouchEvent(const WebTouchEvent&, |
| 93 TouchList* touches, |
108 TouchList* targetTouches, | 94 TouchList* targetTouches, |
109 TouchList* changedTouches, | 95 TouchList* changedTouches, |
110 const AtomicString& type, | 96 const AtomicString& type, |
111 AbstractView*, | 97 AbstractView*, |
112 PlatformEvent::Modifiers, | 98 TouchAction currentTouchAction); |
113 bool cancelable, | |
114 bool causesScrollingIfUncanceled, | |
115 bool firstTouchMoveOrStart, | |
116 TimeTicks platformTimeStamp, | |
117 TouchAction currentTouchAction, | |
118 WebPointerProperties::PointerType); | |
119 TouchEvent(const AtomicString&, const TouchEventInit&); | 99 TouchEvent(const AtomicString&, const TouchEventInit&); |
| 100 bool isTouchStartOrFirstTouchMove() const; |
120 | 101 |
121 Member<TouchList> m_touches; | 102 Member<TouchList> m_touches; |
122 Member<TouchList> m_targetTouches; | 103 Member<TouchList> m_targetTouches; |
123 Member<TouchList> m_changedTouches; | 104 Member<TouchList> m_changedTouches; |
124 bool m_causesScrollingIfUncanceled; | 105 |
125 bool m_firstTouchMoveOrStart; | |
126 bool m_defaultPreventedBeforeCurrentTarget; | 106 bool m_defaultPreventedBeforeCurrentTarget; |
127 | 107 |
128 // The current effective touch action computed before each | 108 // The current effective touch action computed before each |
129 // touchstart event is generated. It is used for UMA histograms. | 109 // touchstart event is generated. It is used for UMA histograms. |
130 TouchAction m_currentTouchAction; | 110 TouchAction m_currentTouchAction; |
131 | 111 |
132 WebPointerProperties::PointerType m_pointerType; | 112 std::unique_ptr<WebTouchEvent> m_nativeEvent; |
133 }; | 113 }; |
134 | 114 |
135 class TouchEventDispatchMediator final : public EventDispatchMediator { | 115 class TouchEventDispatchMediator final : public EventDispatchMediator { |
136 public: | 116 public: |
137 static TouchEventDispatchMediator* create(TouchEvent*); | 117 static TouchEventDispatchMediator* create(TouchEvent*); |
138 | 118 |
139 private: | 119 private: |
140 explicit TouchEventDispatchMediator(TouchEvent*); | 120 explicit TouchEventDispatchMediator(TouchEvent*); |
141 TouchEvent& event() const; | 121 TouchEvent& event() const; |
142 DispatchEventResult dispatchEvent(EventDispatcher&) const override; | 122 DispatchEventResult dispatchEvent(EventDispatcher&) const override; |
143 }; | 123 }; |
144 | 124 |
145 DEFINE_EVENT_TYPE_CASTS(TouchEvent); | 125 DEFINE_EVENT_TYPE_CASTS(TouchEvent); |
146 | 126 |
147 } // namespace blink | 127 } // namespace blink |
148 | 128 |
149 #endif // TouchEvent_h | 129 #endif // TouchEvent_h |
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