gecko-dev/dom/media/eme/MediaKeySystemAccess.h

89 строки
3.0 KiB
C++

/* -*- 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 "mozilla/ErrorResult.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;
namespace dom {
class MediaKeySystemAccess final : public nsISupports,
public nsWrapperCache
{
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(MediaKeySystemAccess)
public:
explicit MediaKeySystemAccess(nsPIDOMWindowInner* aParent,
const nsAString& aKeySystem,
const nsAString& aCDMVersion,
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,
int32_t aMinCdmVersion,
nsACString& aOutExceptionMessage,
nsACString& aOutCdmVersion);
static bool IsSupported(const nsAString& aKeySystem,
const Sequence<MediaKeySystemConfiguration>& aConfigs,
DecoderDoctorDiagnostics* aDiagnostics);
static void NotifyObservers(nsPIDOMWindowInner* aWindow,
const nsAString& aKeySystem,
MediaKeySystemStatus aStatus);
static bool IsGMPPresentOnDisk(const nsAString& aKeySystem,
const nsACString& aVersion,
nsACString& aOutMessage);
static bool GetSupportedConfig(const nsAString& aKeySystem,
const Sequence<MediaKeySystemConfiguration>& aConfigs,
MediaKeySystemConfiguration& aOutConfig,
DecoderDoctorDiagnostics* aDiagnostics);
private:
nsCOMPtr<nsPIDOMWindowInner> mParent;
const nsString mKeySystem;
const nsString mCDMVersion;
const MediaKeySystemConfiguration mConfig;
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_MediaKeySystemAccess_h