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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 |
| (...skipping 14 matching lines...) Expand all Loading... |
| 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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