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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 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 PointerEventManager_h | 5 #ifndef PointerEventManager_h |
6 #define PointerEventManager_h | 6 #define PointerEventManager_h |
7 | 7 |
8 #include "core/CoreExport.h" | 8 #include "core/CoreExport.h" |
9 #include "core/events/PointerEvent.h" | 9 #include "core/events/PointerEvent.h" |
10 #include "core/events/PointerEventFactory.h" | 10 #include "core/events/PointerEventFactory.h" |
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63 bool isActive(const int) const; | 63 bool isActive(const int) const; |
64 | 64 |
65 // Returns whether there is any touch on the screen. | 65 // Returns whether there is any touch on the screen. |
66 bool isAnyTouchActive() const; | 66 bool isAnyTouchActive() const; |
67 | 67 |
68 // Returns true if the primary pointerdown corresponding to the given | 68 // Returns true if the primary pointerdown corresponding to the given |
69 // |uniqueTouchEventId| was canceled. Also drops stale ids from | 69 // |uniqueTouchEventId| was canceled. Also drops stale ids from |
70 // |m_touchIdsForCanceledPointerdowns|. | 70 // |m_touchIdsForCanceledPointerdowns|. |
71 bool primaryPointerdownCanceled(uint32_t uniqueTouchEventId); | 71 bool primaryPointerdownCanceled(uint32_t uniqueTouchEventId); |
72 | 72 |
73 // Try to immediately send the got/lostpointercapture without boundary | |
74 // events. | |
75 // TODO(crbug.com/629935): This function should be private as soon as Pointe
rEventManager | |
76 // a GC managed object and postTask can be done internally in this class. | |
77 void immediatelyProcessPendingPointerCapture(int pointerId); | |
78 | |
79 private: | 73 private: |
80 typedef HeapHashMap<int, Member<EventTarget>, WTF::IntHash<int>, | 74 typedef HeapHashMap<int, Member<EventTarget>, WTF::IntHash<int>, |
81 WTF::UnsignedWithZeroKeyHashTraits<int>> PointerCapturingMap; | 75 WTF::UnsignedWithZeroKeyHashTraits<int>> PointerCapturingMap; |
82 class EventTargetAttributes { | 76 class EventTargetAttributes { |
83 DISALLOW_NEW_EXCEPT_PLACEMENT_NEW(); | 77 DISALLOW_NEW_EXCEPT_PLACEMENT_NEW(); |
84 public: | 78 public: |
85 DEFINE_INLINE_TRACE() | 79 DEFINE_INLINE_TRACE() |
86 { | 80 { |
87 visitor->trace(target); | 81 visitor->trace(target); |
88 } | 82 } |
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149 void removeTargetFromPointerCapturingMapping( | 143 void removeTargetFromPointerCapturingMapping( |
150 PointerCapturingMap&, const EventTarget*); | 144 PointerCapturingMap&, const EventTarget*); |
151 EventTarget* getEffectiveTargetForPointerEvent( | 145 EventTarget* getEffectiveTargetForPointerEvent( |
152 EventTarget*, int); | 146 EventTarget*, int); |
153 EventTarget* getCapturingNode(int); | 147 EventTarget* getCapturingNode(int); |
154 void removePointer(PointerEvent*); | 148 void removePointer(PointerEvent*); |
155 WebInputEventResult dispatchPointerEvent( | 149 WebInputEventResult dispatchPointerEvent( |
156 EventTarget*, | 150 EventTarget*, |
157 PointerEvent*, | 151 PointerEvent*, |
158 bool checkForListener = false); | 152 bool checkForListener = false); |
159 void modifyPendingPointerCapture(int pointerId, EventTarget*); | 153 void releasePointerCapture(int); |
160 // Returns true if capture target and pending capture target were different. | |
161 bool getPointerCaptureState(int pointerId, | |
162 EventTarget** pointerCaptureTarget, | |
163 EventTarget** pendingPointerCaptureTarget); | |
164 | 154 |
165 // NOTE: If adding a new field to this class please ensure that it is | 155 // NOTE: If adding a new field to this class please ensure that it is |
166 // cleared in |PointerEventManager::clear()|. | 156 // cleared in |PointerEventManager::clear()|. |
167 | 157 |
168 const Member<LocalFrame> m_frame; | 158 const Member<LocalFrame> m_frame; |
169 | 159 |
170 // Prevents firing mousedown, mousemove & mouseup in-between a canceled poin
terdown and next pointerup/pointercancel. | 160 // Prevents firing mousedown, mousemove & mouseup in-between a canceled poin
terdown and next pointerup/pointercancel. |
171 // See "PREVENT MOUSE EVENT flag" in the spec: | 161 // See "PREVENT MOUSE EVENT flag" in the spec: |
172 // https://w3c.github.io/pointerevents/#compatibility-mapping-with-mouse-e
vents | 162 // https://w3c.github.io/pointerevents/#compatibility-mapping-with-mouse-e
vents |
173 bool m_preventMouseEventForPointerType[static_cast<size_t>(WebPointerPropert
ies::PointerType::LastEntry) + 1]; | 163 bool m_preventMouseEventForPointerType[static_cast<size_t>(WebPointerPropert
ies::PointerType::LastEntry) + 1]; |
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189 PointerCapturingMap m_pointerCaptureTarget; | 179 PointerCapturingMap m_pointerCaptureTarget; |
190 PointerCapturingMap m_pendingPointerCaptureTarget; | 180 PointerCapturingMap m_pendingPointerCaptureTarget; |
191 | 181 |
192 PointerEventFactory m_pointerEventFactory; | 182 PointerEventFactory m_pointerEventFactory; |
193 TouchEventManager m_touchEventManager; | 183 TouchEventManager m_touchEventManager; |
194 }; | 184 }; |
195 | 185 |
196 } // namespace blink | 186 } // namespace blink |
197 | 187 |
198 #endif // PointerEventManager_h | 188 #endif // PointerEventManager_h |
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