/* -*- 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_MediaCapabilities_h_
#define mozilla_dom_MediaCapabilities_h_
#include "DDLoggedTypeTraits.h"
#include "js/TypeDecls.h"
#include "mozilla/AlreadyAddRefed.h"
#include "mozilla/Assertions.h"
#include "mozilla/Maybe.h"
#include "mozilla/dom/MediaKeySystemAccessManager.h"
#include "mozilla/dom/NonRefcountedDOMObject.h"
#include "nsCOMPtr.h"
#include "nsCycleCollectionParticipant.h"
#include "nsISupports.h"
#include "nsStringFwd.h"
#include "nsWrapperCache.h"
class nsIGlobalObject;
namespace mozilla {
class ErrorResult;
class MediaContainerType;
namespace layers {
class KnowsCompositor;
}
namespace dom {
class MediaCapabilities;
}
// namespace dom
DDLoggedTypeName(dom::MediaCapabilities);
namespace dom {
struct MediaDecodingConfiguration;
struct MediaEncodingConfiguration;
struct AudioConfiguration;
struct VideoConfiguration;
class Promise;
class MediaCapabilities final :
public nsISupports,
public nsWrapperCache {
public:
// Ref counting and cycle collection
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(MediaCapabilities)
// WebIDL Methods
already_AddRefed<Promise> DecodingInfo(
const MediaDecodingConfiguration& aConfiguration, ErrorResult& aRv);
already_AddRefed<Promise> EncodingInfo(
const MediaEncodingConfiguration& aConfiguration, ErrorResult& aRv);
// End WebIDL Methods
explicit MediaCapabilities(nsIGlobalObject* aParent);
nsIGlobalObject* GetParentObject()
const {
return mParent; }
JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
private:
virtual ~MediaCapabilities() =
default;
Maybe<MediaContainerType> CheckVideoConfiguration(
const VideoConfiguration& aConfig)
const;
Maybe<MediaContainerType> CheckAudioConfiguration(
const AudioConfiguration& aConfig)
const;
bool CheckTypeForMediaSource(
const nsAString& aType);
bool CheckTypeForFile(
const nsAString& aType);
bool CheckTypeForEncoder(
const nsAString& aType);
already_AddRefed<layers::KnowsCompositor> GetCompositor();
void CreateMediaCapabilitiesDecodingInfo(
const MediaDecodingConfiguration& aConfiguration, ErrorResult& aRv,
Promise* aPromise);
RefPtr<MediaKeySystemAccessManager::MediaKeySystemAccessPromise>
CheckEncryptedDecodingSupport(
const MediaDecodingConfiguration& aConfiguration);
nsCOMPtr<nsIGlobalObject> mParent;
};
}
// namespace dom
}
// namespace mozilla
#endif /* mozilla_dom_MediaCapabilities_h_ */
