The Tor Browser / file comparison
comparison: dom/events/UIEvent.h
dom/events/UIEvent.h
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
equal
deleted
inserted
replaced
| -1:000000000000 | 0:480aca69b3bd |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #ifndef mozilla_dom_UIEvent_h_ | |
| 7 #define mozilla_dom_UIEvent_h_ | |
| 8 | |
| 9 #include "mozilla/Attributes.h" | |
| 10 #include "mozilla/dom/Event.h" | |
| 11 #include "mozilla/dom/UIEventBinding.h" | |
| 12 #include "nsDeviceContext.h" | |
| 13 #include "nsIDOMUIEvent.h" | |
| 14 #include "nsLayoutUtils.h" | |
| 15 #include "nsPresContext.h" | |
| 16 | |
| 17 class nsINode; | |
| 18 | |
| 19 namespace mozilla { | |
| 20 namespace dom { | |
| 21 | |
| 22 class UIEvent : public Event, | |
| 23 public nsIDOMUIEvent | |
| 24 { | |
| 25 public: | |
| 26 UIEvent(EventTarget* aOwner, | |
| 27 nsPresContext* aPresContext, | |
| 28 WidgetGUIEvent* aEvent); | |
| 29 | |
| 30 NS_DECL_ISUPPORTS_INHERITED | |
| 31 NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(UIEvent, Event) | |
| 32 | |
| 33 // nsIDOMUIEvent Interface | |
| 34 NS_DECL_NSIDOMUIEVENT | |
| 35 | |
| 36 // Forward to Event | |
| 37 NS_FORWARD_TO_EVENT_NO_SERIALIZATION_NO_DUPLICATION | |
| 38 NS_IMETHOD DuplicatePrivateData() MOZ_OVERRIDE; | |
| 39 NS_IMETHOD_(void) Serialize(IPC::Message* aMsg, bool aSerializeInterfaceType) MOZ_OVERRIDE; | |
| 40 NS_IMETHOD_(bool) Deserialize(const IPC::Message* aMsg, void** aIter) MOZ_OVERRIDE; | |
| 41 | |
| 42 static nsIntPoint CalculateScreenPoint(nsPresContext* aPresContext, | |
| 43 WidgetEvent* aEvent) | |
| 44 { | |
| 45 if (!aEvent || | |
| 46 (aEvent->eventStructType != NS_MOUSE_EVENT && | |
| 47 aEvent->eventStructType != NS_MOUSE_SCROLL_EVENT && | |
| 48 aEvent->eventStructType != NS_WHEEL_EVENT && | |
| 49 aEvent->eventStructType != NS_DRAG_EVENT && | |
| 50 aEvent->eventStructType != NS_POINTER_EVENT && | |
| 51 aEvent->eventStructType != NS_SIMPLE_GESTURE_EVENT)) { | |
| 52 return nsIntPoint(0, 0); | |
| 53 } | |
| 54 | |
| 55 WidgetGUIEvent* event = aEvent->AsGUIEvent(); | |
| 56 if (!event->widget) { | |
| 57 return LayoutDeviceIntPoint::ToUntyped(aEvent->refPoint); | |
| 58 } | |
| 59 | |
| 60 LayoutDeviceIntPoint offset = aEvent->refPoint + | |
| 61 LayoutDeviceIntPoint::FromUntyped(event->widget->WidgetToScreenOffset()); | |
| 62 nscoord factor = | |
| 63 aPresContext->DeviceContext()->UnscaledAppUnitsPerDevPixel(); | |
| 64 return nsIntPoint(nsPresContext::AppUnitsToIntCSSPixels(offset.x * factor), | |
| 65 nsPresContext::AppUnitsToIntCSSPixels(offset.y * factor)); | |
| 66 } | |
| 67 | |
| 68 static CSSIntPoint CalculateClientPoint(nsPresContext* aPresContext, | |
| 69 WidgetEvent* aEvent, | |
| 70 CSSIntPoint* aDefaultClientPoint) | |
| 71 { | |
| 72 if (!aEvent || | |
| 73 (aEvent->eventStructType != NS_MOUSE_EVENT && | |
| 74 aEvent->eventStructType != NS_MOUSE_SCROLL_EVENT && | |
| 75 aEvent->eventStructType != NS_WHEEL_EVENT && | |
| 76 aEvent->eventStructType != NS_DRAG_EVENT && | |
| 77 aEvent->eventStructType != NS_POINTER_EVENT && | |
| 78 aEvent->eventStructType != NS_SIMPLE_GESTURE_EVENT) || | |
| 79 !aPresContext || | |
| 80 !aEvent->AsGUIEvent()->widget) { | |
| 81 return aDefaultClientPoint | |
| 82 ? *aDefaultClientPoint | |
| 83 : CSSIntPoint(0, 0); | |
| 84 } | |
| 85 | |
| 86 nsIPresShell* shell = aPresContext->GetPresShell(); | |
| 87 if (!shell) { | |
| 88 return CSSIntPoint(0, 0); | |
| 89 } | |
| 90 nsIFrame* rootFrame = shell->GetRootFrame(); | |
| 91 if (!rootFrame) { | |
| 92 return CSSIntPoint(0, 0); | |
| 93 } | |
| 94 nsPoint pt = | |
| 95 nsLayoutUtils::GetEventCoordinatesRelativeTo(aEvent, rootFrame); | |
| 96 | |
| 97 return CSSIntPoint::FromAppUnitsRounded(pt); | |
| 98 } | |
| 99 | |
| 100 static already_AddRefed<UIEvent> Constructor(const GlobalObject& aGlobal, | |
| 101 const nsAString& aType, | |
| 102 const UIEventInit& aParam, | |
| 103 ErrorResult& aRv); | |
| 104 | |
| 105 virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE | |
| 106 { | |
| 107 return UIEventBinding::Wrap(aCx, this); | |
| 108 } | |
| 109 | |
| 110 nsIDOMWindow* GetView() const | |
| 111 { | |
| 112 return mView; | |
| 113 } | |
| 114 | |
| 115 int32_t Detail() const | |
| 116 { | |
| 117 return mDetail; | |
| 118 } | |
| 119 | |
| 120 int32_t LayerX() const | |
| 121 { | |
| 122 return GetLayerPoint().x; | |
| 123 } | |
| 124 | |
| 125 int32_t LayerY() const | |
| 126 { | |
| 127 return GetLayerPoint().y; | |
| 128 } | |
| 129 | |
| 130 int32_t PageX() const; | |
| 131 int32_t PageY() const; | |
| 132 | |
| 133 virtual uint32_t Which() | |
| 134 { | |
| 135 MOZ_ASSERT(mEvent->eventStructType != NS_KEY_EVENT, | |
| 136 "Key events should override Which()"); | |
| 137 MOZ_ASSERT(mEvent->eventStructType != NS_MOUSE_EVENT, | |
| 138 "Mouse events should override Which()"); | |
| 139 return 0; | |
| 140 } | |
| 141 | |
| 142 already_AddRefed<nsINode> GetRangeParent(); | |
| 143 | |
| 144 int32_t RangeOffset() const; | |
| 145 | |
| 146 bool CancelBubble() const | |
| 147 { | |
| 148 return mEvent->mFlags.mPropagationStopped; | |
| 149 } | |
| 150 | |
| 151 bool IsChar() const; | |
| 152 | |
| 153 protected: | |
| 154 // Internal helper functions | |
| 155 nsIntPoint GetMovementPoint(); | |
| 156 nsIntPoint GetLayerPoint() const; | |
| 157 | |
| 158 nsCOMPtr<nsIDOMWindow> mView; | |
| 159 int32_t mDetail; | |
| 160 CSSIntPoint mClientPoint; | |
| 161 // Screenpoint is mEvent->refPoint. | |
| 162 nsIntPoint mLayerPoint; | |
| 163 CSSIntPoint mPagePoint; | |
| 164 nsIntPoint mMovementPoint; | |
| 165 bool mIsPointerLocked; | |
| 166 CSSIntPoint mLastClientPoint; | |
| 167 | |
| 168 static Modifiers ComputeModifierState(const nsAString& aModifiersList); | |
| 169 bool GetModifierStateInternal(const nsAString& aKey); | |
| 170 }; | |
| 171 | |
| 172 } // namespace dom | |
| 173 } // namespace mozilla | |
| 174 | |
| 175 #define NS_FORWARD_TO_UIEVENT \ | |
| 176 NS_FORWARD_NSIDOMUIEVENT(UIEvent::) \ | |
| 177 NS_FORWARD_TO_EVENT_NO_SERIALIZATION_NO_DUPLICATION \ | |
| 178 NS_IMETHOD DuplicatePrivateData() \ | |
| 179 { \ | |
| 180 return UIEvent::DuplicatePrivateData(); \ | |
| 181 } \ | |
| 182 NS_IMETHOD_(void) Serialize(IPC::Message* aMsg, \ | |
| 183 bool aSerializeInterfaceType) \ | |
| 184 { \ | |
| 185 UIEvent::Serialize(aMsg, aSerializeInterfaceType); \ | |
| 186 } \ | |
| 187 NS_IMETHOD_(bool) Deserialize(const IPC::Message* aMsg, \ | |
| 188 void** aIter) \ | |
| 189 { \ | |
| 190 return UIEvent::Deserialize(aMsg, aIter); \ | |
| 191 } | |
| 192 | |
| 193 #endif // mozilla_dom_UIEvent_h_ |
