gecko-dev/dom/vr/VRDisplayEvent.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_VRDisplayEvent_h_
#define mozilla_dom_VRDisplayEvent_h_

#include "js/RootingAPI.h"
#include "mozilla/AlreadyAddRefed.h"
#include "mozilla/Assertions.h"
#include "mozilla/Maybe.h"
#include "mozilla/RefPtr.h"
#include "mozilla/dom/Event.h"
#include "mozilla/dom/Nullable.h"
#include "mozilla/dom/VRDisplay.h"
#include "mozilla/dom/VRDisplayEventBinding.h"
#include "nsCycleCollectionParticipant.h"
#include "nsISupports.h"
#include "nsStringFwd.h"

struct JSContext;

namespace mozilla {
namespace gfx {
class VRDisplay;
}  // namespace gfx

namespace dom {

class VRDisplayEvent final : public Event {
 public:
  NS_DECL_ISUPPORTS_INHERITED
  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(VRDisplayEvent, Event)

  VRDisplay* Display();
  Nullable<VRDisplayEventReason> GetReason() const;

 protected:
  virtual ~VRDisplayEvent() = default;
  explicit VRDisplayEvent(mozilla::dom::EventTarget* aOwner);
  VRDisplayEvent(EventTarget* aOwner, nsPresContext* aPresContext,
                 InternalClipboardEvent* aEvent);

  Maybe<VRDisplayEventReason> mReason;
  RefPtr<VRDisplay> mDisplay;

 public:
  virtual JSObject* WrapObjectInternal(
      JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;

  static already_AddRefed<VRDisplayEvent> Constructor(
      mozilla::dom::EventTarget* aOwner, const nsAString& aType,
      const VRDisplayEventInit& aEventInitDict);

  static already_AddRefed<VRDisplayEvent> Constructor(
      const GlobalObject& aGlobal, const nsAString& aType,
      const VRDisplayEventInit& aEventInitDict);
};

}  // namespace dom
}  // namespace mozilla

#endif