dom/events/ScrollAreaEvent.h

   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_ScrollAreaEvent_h_
   7 #define mozilla_dom_ScrollAreaEvent_h_
   8
   9 #include "mozilla/dom/DOMRect.h"
  10 #include "mozilla/dom/ScrollAreaEventBinding.h"
  11 #include "mozilla/dom/UIEvent.h"
  12 #include "mozilla/Attributes.h"
  13 #include "mozilla/EventForwards.h"
  14 #include "nsIDOMScrollAreaEvent.h"
  15
  16 namespace mozilla {
  17 namespace dom {
  18
  19 class ScrollAreaEvent : public UIEvent,
  20                         public nsIDOMScrollAreaEvent
  21 {
  22 public:
  23   ScrollAreaEvent(EventTarget* aOwner,
  24                   nsPresContext* aPresContext,
  25                   InternalScrollAreaEvent* aEvent);
  26
  27   NS_DECL_ISUPPORTS_INHERITED
  28
  29   NS_DECL_NSIDOMSCROLLAREAEVENT
  30
  31   NS_FORWARD_NSIDOMUIEVENT(UIEvent::)
  32
  33   NS_FORWARD_TO_EVENT_NO_SERIALIZATION_NO_DUPLICATION
  34   NS_IMETHOD DuplicatePrivateData()
  35   {
  36     return Event::DuplicatePrivateData();
  37   }
  38   NS_IMETHOD_(void) Serialize(IPC::Message* aMsg, bool aSerializeInterfaceType) MOZ_OVERRIDE;
  39   NS_IMETHOD_(bool) Deserialize(const IPC::Message* aMsg, void** aIter) MOZ_OVERRIDE;
  40
  41   virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE
  42   {
  43     return ScrollAreaEventBinding::Wrap(aCx, this);
  44   }
  45
  46   float X() const
  47   {
  48     return mClientArea.Left();
  49   }
  50
  51   float Y() const
  52   {
  53     return mClientArea.Top();
  54   }
  55
  56   float Width() const
  57   {
  58     return mClientArea.Width();
  59   }
  60
  61   float Height() const
  62   {
  63     return mClientArea.Height();
  64   }
  65
  66   void InitScrollAreaEvent(const nsAString& aType,
  67                            bool aCanBubble,
  68                            bool aCancelable,
  69                            nsIDOMWindow* aView,
  70                            int32_t aDetail,
  71                            float aX, float aY,
  72                            float aWidth, float aHeight,
  73                            ErrorResult& aRv)
  74   {
  75     aRv = InitScrollAreaEvent(aType, aCanBubble, aCancelable, aView,
  76                               aDetail, aX, aY, aWidth, aHeight);
  77   }
  78
  79 protected:
  80   ~ScrollAreaEvent() {}
  81
  82   DOMRect mClientArea;
  83 };
  84
  85 } // namespace dom
  86 } // namespace mozilla
  87
  88 #endif // mozilla_dom_ScrollAreaEvent_h_