зеркало из https://github.com/mozilla/gecko-dev.git
135 строки
3.8 KiB
C++
135 строки
3.8 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_MediaSource_h_
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#define mozilla_dom_MediaSource_h_
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#include "AsyncEventRunner.h"
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#include "mozilla/Attributes.h"
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#include "mozilla/Monitor.h"
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#include "mozilla/dom/MediaSourceBinding.h"
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#include "mozilla/dom/TypedArray.h"
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#include "nsCOMPtr.h"
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#include "nsCycleCollectionParticipant.h"
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#include "nsDOMEventTargetHelper.h"
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#include "nsWrapperCache.h"
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#include "nscore.h"
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namespace mozilla {
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namespace dom {
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class HTMLMediaElement;
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class MediaSourceInputAdapter;
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class SourceBufferList;
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class SourceBuffer;
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class TimeRanges;
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#define MOZILLA_DOM_MEDIASOURCE_IMPLEMENTATION_IID \
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{ 0x3839d699, 0x22c5, 0x439f, \
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{ 0x94, 0xca, 0x0e, 0x0b, 0x26, 0xf9, 0xca, 0xbf } }
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class MediaSource MOZ_FINAL : public nsDOMEventTargetHelper
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{
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public:
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/** WebIDL Methods. */
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static already_AddRefed<MediaSource> Constructor(const GlobalObject& aGlobal, ErrorResult& aRv);
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SourceBufferList* SourceBuffers();
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SourceBufferList* ActiveSourceBuffers();
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MediaSourceReadyState ReadyState();
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double Duration();
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void SetDuration(double aDuration, ErrorResult& aRv);
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already_AddRefed<SourceBuffer> AddSourceBuffer(const nsAString& aType, ErrorResult& aRv);
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void RemoveSourceBuffer(SourceBuffer& aSourceBuffer, ErrorResult& aRv);
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void EndOfStream(const Optional<MediaSourceEndOfStreamError>& aError, ErrorResult& aRv);
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static bool IsTypeSupported(const GlobalObject& aGlobal, const nsAString& aType);
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/** End WebIDL Methods. */
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(MediaSource, nsDOMEventTargetHelper)
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NS_DECLARE_STATIC_IID_ACCESSOR(MOZILLA_DOM_MEDIASOURCE_IMPLEMENTATION_IID)
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nsPIDOMWindow* GetParentObject() const;
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JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aScope) MOZ_OVERRIDE;
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const nsString& GetType()
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{
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return mContentType;
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}
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already_AddRefed<nsIInputStream> CreateInternalStream();
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void AppendData(const uint8_t* aData, uint32_t aLength, ErrorResult& aRv);
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// Semi-private, for MediaSourceInputAdapter only.
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nsTArray<uint8_t> const& GetData()
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{
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return mData;
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}
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Monitor& GetMonitor()
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{
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return mMonitor;
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}
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bool AppendDone() const
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{
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return mReadyState == MediaSourceReadyState::Closed;
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}
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// Attach this MediaSource to MediaElement aElement. Returns false if already attached.
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bool AttachElement(HTMLMediaElement* aElement);
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void DetachElement();
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// Set mReadyState to aState and fire the required events at the MediaSource.
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void SetReadyState(MediaSourceReadyState aState);
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void GetBuffered(TimeRanges* aRanges);
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private:
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explicit MediaSource(nsPIDOMWindow* aWindow);
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friend class AsyncEventRunnner<MediaSource>;
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void DispatchSimpleEvent(const char* aName);
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void QueueAsyncSimpleEvent(const char* aName);
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void NotifyListeners();
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void DurationChange(double aNewDuration, ErrorResult& aRv);
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void EndOfStreamInternal(const Optional<MediaSourceEndOfStreamError>& aError, ErrorResult& aRv);
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static bool IsTypeSupportedInternal(const nsAString& aType, ErrorResult& aRv);
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double mDuration;
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nsTArray<nsRefPtr<MediaSourceInputAdapter> > mAdapters;
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// Protected by monitor.
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nsTArray<uint8_t> mData;
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// Protects access to mData.
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Monitor mMonitor;
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nsRefPtr<SourceBufferList> mSourceBuffers;
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nsRefPtr<SourceBufferList> mActiveSourceBuffers;
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nsRefPtr<HTMLMediaElement> mElement;
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nsString mContentType;
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MediaSourceReadyState mReadyState;
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};
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NS_DEFINE_STATIC_IID_ACCESSOR(MediaSource, MOZILLA_DOM_MEDIASOURCE_IMPLEMENTATION_IID)
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} // namespace dom
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} // namespace mozilla
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#endif /* mozilla_dom_MediaSource_h_ */
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