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/* -*- 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 */
#ifndef mozilla_dom_MediaCapabilities_h_
#define mozilla_dom_MediaCapabilities_h_
#include "DDLoggedTypeTraits.h"
#include "js/RootingAPI.h"
#include "mozilla/AlreadyAddRefed.h"
#include "mozilla/Assertions.h"
#include "mozilla/Maybe.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
namespace dom {
struct MediaDecodingConfiguration;
struct MediaEncodingConfiguration;
struct AudioConfiguration;
struct VideoConfiguration;
class Promise;
class MediaCapabilities final : public nsISupports, public nsWrapperCache {
// Ref counting and cycle collection
// 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;
static bool Enabled(JSContext* aCx, JSObject* aGlobal);
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();
nsCOMPtr<nsIGlobalObject> mParent;
class MediaCapabilitiesInfo final : public NonRefcountedDOMObject {
// WebIDL methods
bool Supported() const { return mSupported; }
bool Smooth() const { return mSmooth; }
bool PowerEfficient() const { return mPowerEfficient; }
// End WebIDL methods
MediaCapabilitiesInfo(bool aSupported, bool aSmooth, bool aPowerEfficient)
: mSupported(aSupported),
mPowerEfficient(aPowerEfficient) {}
bool WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto,
JS::MutableHandle<JSObject*> aReflector);
bool mSupported;
bool mSmooth;
bool mPowerEfficient;
} // namespace dom
} // namespace mozilla
#endif /* mozilla_dom_MediaCapabilities_h_ */