dom/events/MouseEvent.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef mozilla_dom_MouseEvent_h_
   8 #define mozilla_dom_MouseEvent_h_
   9
  10 #include "mozilla/dom/BindingDeclarations.h"
  11 #include "mozilla/dom/UIEvent.h"
  12 #include "mozilla/dom/MouseEventBinding.h"
  13 #include "mozilla/EventForwards.h"
  14
  15 namespace mozilla::dom {
  16
  17 class MouseEvent : public UIEvent {
  18  public:
  19   MouseEvent(EventTarget* aOwner, nsPresContext* aPresContext,
  20              WidgetMouseEventBase* aEvent);
  21
  22   NS_INLINE_DECL_REFCOUNTING_INHERITED(MouseEvent, UIEvent)
  23
  24   virtual JSObject* WrapObjectInternal(
  25       JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override {
  26     return MouseEvent_Binding::Wrap(aCx, this, aGivenProto);
  27   }
  28
  29   virtual MouseEvent* AsMouseEvent() override { return this; }
  30
  31   // Web IDL binding methods
  32   virtual uint32_t Which(CallerType aCallerType) override {
  33     return Button() + 1;
  34   }
  35
  36   already_AddRefed<nsIScreen> GetScreen();
  37
  38   // In CSS coords.
  39   CSSIntPoint ScreenPoint(CallerType) const;
  40   int32_t ScreenX(CallerType aCallerType) const {
  41     return ScreenPoint(aCallerType).x;
  42   }
  43   int32_t ScreenY(CallerType aCallerType) const {
  44     return ScreenPoint(aCallerType).y;
  45   }
  46   LayoutDeviceIntPoint ScreenPointLayoutDevicePix() const;
  47   DesktopIntPoint ScreenPointDesktopPix() const;
  48
  49   CSSIntPoint PagePoint() const;
  50   int32_t PageX() const { return PagePoint().x; }
  51   int32_t PageY() const { return PagePoint().y; }
  52
  53   CSSIntPoint ClientPoint() const;
  54   int32_t ClientX() const { return ClientPoint().x; }
  55   int32_t ClientY() const { return ClientPoint().y; }
  56
  57   CSSIntPoint OffsetPoint() const;
  58   int32_t OffsetX() const { return OffsetPoint().x; }
  59   int32_t OffsetY() const { return OffsetPoint().y; }
  60
  61   bool CtrlKey();
  62   bool ShiftKey();
  63   bool AltKey();
  64   bool MetaKey();
  65   int16_t Button();
  66   uint16_t Buttons();
  67   already_AddRefed<EventTarget> GetRelatedTarget();
  68   void InitMouseEvent(const nsAString& aType, bool aCanBubble, bool aCancelable,
  69                       nsGlobalWindowInner* aView, int32_t aDetail,
  70                       int32_t aScreenX, int32_t aScreenY, int32_t aClientX,
  71                       int32_t aClientY, bool aCtrlKey, bool aAltKey,
  72                       bool aShiftKey, bool aMetaKey, uint16_t aButton,
  73                       EventTarget* aRelatedTarget);
  74
  75   void InitializeExtraMouseEventDictionaryMembers(const MouseEventInit& aParam);
  76
  77   bool GetModifierState(const nsAString& aKeyArg) {
  78     return GetModifierStateInternal(aKeyArg);
  79   }
  80   static already_AddRefed<MouseEvent> Constructor(const GlobalObject& aGlobal,
  81                                                   const nsAString& aType,
  82                                                   const MouseEventInit& aParam);
  83   int32_t MovementX() { return GetMovementPoint().x; }
  84   int32_t MovementY() { return GetMovementPoint().y; }
  85   float MozPressure() const;
  86   uint16_t InputSource() const;
  87   void InitNSMouseEvent(const nsAString& aType, bool aCanBubble,
  88                         bool aCancelable, nsGlobalWindowInner* aView,
  89                         int32_t aDetail, int32_t aScreenX, int32_t aScreenY,
  90                         int32_t aClientX, int32_t aClientY, bool aCtrlKey,
  91                         bool aAltKey, bool aShiftKey, bool aMetaKey,
  92                         uint16_t aButton, EventTarget* aRelatedTarget,
  93                         float aPressure, uint16_t aInputSource);
  94   void PreventClickEvent();
  95   bool ClickEventPrevented();
  96
  97  protected:
  98   ~MouseEvent() = default;
  99
 100   void InitMouseEvent(const nsAString& aType, bool aCanBubble, bool aCancelable,
 101                       nsGlobalWindowInner* aView, int32_t aDetail,
 102                       int32_t aScreenX, int32_t aScreenY, int32_t aClientX,
 103                       int32_t aClientY, int16_t aButton,
 104                       EventTarget* aRelatedTarget,
 105                       const nsAString& aModifiersList);
 106 };
 107
 108 }  // namespace mozilla::dom
 109
 110 already_AddRefed<mozilla::dom::MouseEvent> NS_NewDOMMouseEvent(
 111     mozilla::dom::EventTarget* aOwner, nsPresContext* aPresContext,
 112     mozilla::WidgetMouseEvent* aEvent);
 113
 114 #endif  // mozilla_dom_MouseEvent_h_