/* -*- 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_Presentation_h

#define mozilla_dom_Presentation_h

#include "nsCOMPtr.h"

#include "nsCycleCollectionParticipant.h"

#include "nsISupportsImpl.h"

#include "nsWrapperCache.h"

class nsPIDOMWindowInner;

namespace mozilla {

namespace dom {

class Promise;

class PresentationReceiver;

class PresentationRequest;

class Presentation final : public nsISupports

                         , public nsWrapperCache

{

public:

  NS_DECL_CYCLE_COLLECTING_ISUPPORTS

  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(Presentation)

  static already_AddRefed<Presentation> Create(nsPIDOMWindowInner* aWindow);

  virtual JSObject* WrapObject(JSContext* aCx,

                               JS::Handle<JSObject*> aGivenProto) override;

  nsPIDOMWindowInner* GetParentObject() const

  {

    return mWindow;

  }

  // WebIDL (public APIs)

  void SetDefaultRequest(PresentationRequest* aRequest);

  already_AddRefed<PresentationRequest> GetDefaultRequest() const;

  already_AddRefed<PresentationReceiver> GetReceiver();

  // For bookkeeping unsettled start session request

  void SetStartSessionUnsettled(bool aIsUnsettled);

  bool IsStartSessionUnsettled() const;

private:

  explicit Presentation(nsPIDOMWindowInner* aWindow);

  virtual ~Presentation();

  bool HasReceiverSupport() const;

  bool IsInPresentedContent() const;

  RefPtr<PresentationRequest> mDefaultRequest;

  RefPtr<PresentationReceiver> mReceiver;

  nsCOMPtr<nsPIDOMWindowInner> mWindow;

  bool mStartSessionUnsettled = false;

};

} // namespace dom

} // namespace mozilla

#endif // mozilla_dom_Presentation_h