зеркало из https://github.com/mozilla/gecko-dev.git
110 строки
3.1 KiB
C++
110 строки
3.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_MediaCapabilities_h_
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#define mozilla_dom_MediaCapabilities_h_
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#include "DecoderDoctorLogger.h"
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#include "MediaContainerType.h"
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#include "js/TypeDecls.h"
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#include "mozilla/Maybe.h"
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#include "mozilla/UniquePtr.h"
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#include "mozilla/dom/BindingUtils.h"
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#include "nsCOMPtr.h"
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#include "nsCycleCollectionNoteChild.h"
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#include "nsCycleCollectionParticipant.h"
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#include "nsIGlobalObject.h"
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#include "nsISupports.h"
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#include "nsWrapperCache.h"
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namespace mozilla {
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namespace layers {
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class KnowsCompositor;
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}
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namespace dom {
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class MediaCapabilities;
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} // namespace dom
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DDLoggedTypeName(dom::MediaCapabilities);
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namespace dom {
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struct MediaDecodingConfiguration;
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struct MediaEncodingConfiguration;
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struct AudioConfiguration;
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struct VideoConfiguration;
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class Promise;
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class MediaCapabilities final
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: public nsISupports
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, public nsWrapperCache
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{
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public:
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// Ref counting and cycle collection
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(MediaCapabilities)
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// WebIDL Methods
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already_AddRefed<Promise> DecodingInfo(
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const MediaDecodingConfiguration& aConfiguration,
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ErrorResult& aRv);
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already_AddRefed<Promise> EncodingInfo(
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const MediaEncodingConfiguration& aConfiguration,
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ErrorResult& aRv);
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// End WebIDL Methods
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explicit MediaCapabilities(nsIGlobalObject* aParent);
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nsIGlobalObject* GetParentObject() const { return mParent; }
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JSObject* WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) override;
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static bool Enabled(JSContext* aCx, JSObject* aGlobal);
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private:
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virtual ~MediaCapabilities() = default;
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Maybe<MediaContainerType> CheckVideoConfiguration(
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const VideoConfiguration& aConfig) const;
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Maybe<MediaContainerType> CheckAudioConfiguration(
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const AudioConfiguration& aConfig) const;
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bool CheckTypeForMediaSource(const nsAString& aType);
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bool CheckTypeForFile(const nsAString& aType);
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bool CheckTypeForEncoder(const nsAString& aType);
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already_AddRefed<layers::KnowsCompositor> GetCompositor();
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nsCOMPtr<nsIGlobalObject> mParent;
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};
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class MediaCapabilitiesInfo final : public NonRefcountedDOMObject
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{
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public:
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// WebIDL methods
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bool Supported() const { return mSupported; }
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bool Smooth() const { return mSmooth; }
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bool PowerEfficient() const { return mPowerEfficient; }
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// End WebIDL methods
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MediaCapabilitiesInfo(bool aSupported, bool aSmooth, bool aPowerEfficient)
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: mSupported(aSupported)
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, mSmooth(aSmooth)
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, mPowerEfficient(aPowerEfficient)
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{
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}
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bool WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto,
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JS::MutableHandle<JSObject*> aReflector);
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private:
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bool mSupported;
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bool mSmooth;
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bool mPowerEfficient;
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};
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} // namespace dom
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} // namespace mozilla
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#endif /* mozilla_dom_MediaCapabilities_h_ */
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