dom/events/ScrollAreaEvent.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_ScrollAreaEvent_h_
   8 #define mozilla_dom_ScrollAreaEvent_h_
   9
  10 #include "mozilla/dom/DOMRect.h"
  11 #include "mozilla/dom/ScrollAreaEventBinding.h"
  12 #include "mozilla/dom/UIEvent.h"
  13 #include "mozilla/Attributes.h"
  14 #include "mozilla/EventForwards.h"
  15
  16 namespace mozilla::dom {
  17
  18 class ScrollAreaEvent : public UIEvent {
  19  public:
  20   ScrollAreaEvent(EventTarget* aOwner, nsPresContext* aPresContext,
  21                   InternalScrollAreaEvent* aEvent);
  22
  23   NS_DECL_ISUPPORTS_INHERITED
  24   NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(ScrollAreaEvent, UIEvent)
  25
  26   void Serialize(IPC::MessageWriter* aWriter,
  27                  bool aSerializeInterfaceType) override;
  28   bool Deserialize(IPC::MessageReader* aReader) override;
  29
  30   virtual JSObject* WrapObjectInternal(
  31       JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override {
  32     return ScrollAreaEvent_Binding::Wrap(aCx, this, aGivenProto);
  33   }
  34
  35   float X() const { return mClientArea->Left(); }
  36
  37   float Y() const { return mClientArea->Top(); }
  38
  39   float Width() const { return mClientArea->Width(); }
  40
  41   float Height() const { return mClientArea->Height(); }
  42
  43   void InitScrollAreaEvent(const nsAString& aType, bool aCanBubble,
  44                            bool aCancelable, nsGlobalWindowInner* aView,
  45                            int32_t aDetail, float aX, float aY, float aWidth,
  46                            float aHeight);
  47
  48  protected:
  49   ~ScrollAreaEvent() = default;
  50
  51   RefPtr<DOMRect> mClientArea;
  52 };
  53
  54 }  // namespace mozilla::dom
  55
  56 already_AddRefed<mozilla::dom::ScrollAreaEvent> NS_NewDOMScrollAreaEvent(
  57     mozilla::dom::EventTarget* aOwner, nsPresContext* aPresContext,
  58     mozilla::InternalScrollAreaEvent* aEvent);
  59
  60 #endif  // mozilla_dom_ScrollAreaEvent_h_