/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* 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_MediaKeySystemAccess_h
#define mozilla_dom_MediaKeySystemAccess_h

#include "mozilla/Attributes.h"
#include "nsCycleCollectionParticipant.h"
#include "nsWrapperCache.h"

#include "mozilla/dom/Promise.h"
#include "mozilla/dom/MediaKeySystemAccessBinding.h"
#include "mozilla/dom/MediaKeysRequestStatusBinding.h"

#include "js/TypeDecls.h"

namespace mozilla {

class DecoderDoctorDiagnostics;
class ErrorResult;

namespace dom {

class MediaKeySystemAccess final : public nsISupports, public nsWrapperCache {
 public:
  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
  NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(MediaKeySystemAccess)

 public:
  explicit MediaKeySystemAccess(nsPIDOMWindowInner* aParent,
                                const nsAString& aKeySystem,
                                const MediaKeySystemConfiguration& aConfig);

 protected:
  ~MediaKeySystemAccess();

 public:
  nsPIDOMWindowInner* GetParentObject() const;

  JSObject* WrapObject(JSContext* aCx,
                       JS::Handle<JSObject*> aGivenProto) override;

  void GetKeySystem(nsString& aRetVal) const;

  void GetConfiguration(MediaKeySystemConfiguration& aConfig);

  already_AddRefed<Promise> CreateMediaKeys(ErrorResult& aRv);

  static MediaKeySystemStatus GetKeySystemStatus(
      const nsAString& aKeySystem, nsACString& aOutExceptionMessage);

  static void NotifyObservers(nsPIDOMWindowInner* aWindow,
                              const nsAString& aKeySystem,
                              MediaKeySystemStatus aStatus);

  static bool GetSupportedConfig(
      const nsAString& aKeySystem,
      const Sequence<MediaKeySystemConfiguration>& aConfigs,
      MediaKeySystemConfiguration& aOutConfig,
      DecoderDoctorDiagnostics* aDiagnostics, bool aIsPrivateBrowsing,
      const std::function<void(const char*)>& aDeprecationLogFn);

  static bool KeySystemSupportsInitDataType(const nsAString& aKeySystem,
                                            const nsAString& aInitDataType);

  static nsCString ToCString(
      const Sequence<MediaKeySystemConfiguration>& aConfig);

 private:
  nsCOMPtr<nsPIDOMWindowInner> mParent;
  const nsString mKeySystem;
  const MediaKeySystemConfiguration mConfig;
};

}  // namespace dom
}  // namespace mozilla

#endif  // mozilla_dom_MediaKeySystemAccess_h