gecko-dev/dom/events/DragEvent.h

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef mozilla_dom_DragEvent_h_
#define mozilla_dom_DragEvent_h_

#include "mozilla/dom/MouseEvent.h"
#include "mozilla/dom/DragEventBinding.h"
#include "mozilla/EventForwards.h"

namespace mozilla {
namespace dom {

class DataTransfer;

class DragEvent : public MouseEvent
{
public:
  DragEvent(EventTarget* aOwner,
            nsPresContext* aPresContext,
            WidgetDragEvent* aEvent);

  NS_INLINE_DECL_REFCOUNTING_INHERITED(DragEvent, MouseEvent)

  virtual JSObject* WrapObjectInternal(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override
  {
    return DragEvent_Binding::Wrap(aCx, this, aGivenProto);
  }

  DragEvent* AsDragEvent() override
  {
    return this;
  }

  DataTransfer* GetDataTransfer();

  void InitDragEvent(const nsAString& aType,
                     bool aCanBubble, bool aCancelable,
                     nsGlobalWindowInner* aView, int32_t aDetail,
                     int32_t aScreenX, int32_t aScreenY,
                     int32_t aClientX, int32_t aClientY,
                     bool aCtrlKey, bool aAltKey, bool aShiftKey,
                     bool aMetaKey, uint16_t aButton,
                     EventTarget* aRelatedTarget,
                     DataTransfer* aDataTransfer);

  static already_AddRefed<DragEvent> Constructor(const GlobalObject& aGlobal,
                                                 const nsAString& aType,
                                                 const DragEventInit& aParam,
                                                 ErrorResult& aRv);

protected:
  ~DragEvent() {}
};

} // namespace dom
} // namespace mozilla

already_AddRefed<mozilla::dom::DragEvent>
NS_NewDOMDragEvent(mozilla::dom::EventTarget* aOwner,
                   nsPresContext* aPresContext,
                   mozilla::WidgetDragEvent* aEvent);

#endif // mozilla_dom_DragEvent_h_