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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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_MediaSource_h_
#define mozilla_dom_MediaSource_h_
#include "MediaSourceDecoder.h"
#include "js/RootingAPI.h"
#include "mozilla/Assertions.h"
#include "mozilla/Attributes.h"
#include "mozilla/DOMEventTargetHelper.h"
#include "mozilla/dom/MediaSourceBinding.h"
#include "nsCOMPtr.h"
#include "nsCycleCollectionNoteChild.h"
#include "nsCycleCollectionParticipant.h"
#include "nsID.h"
#include "nsISupports.h"
#include "nscore.h"
#include "TimeUnits.h"
struct JSContext;
class JSObject;
class nsPIDOMWindowInner;
namespace mozilla {
class ErrorResult;
template <typename T> class AsyncEventRunner;
class MediaResult;
namespace dom {
class GlobalObject;
class SourceBuffer;
class SourceBufferList;
template <typename T> class Optional;
#define MOZILLA_DOM_MEDIASOURCE_IMPLEMENTATION_IID \
{ 0x3839d699, 0x22c5, 0x439f, \
{ 0x94, 0xca, 0x0e, 0x0b, 0x26, 0xf9, 0xca, 0xbf } }
class MediaSource final : public DOMEventTargetHelper
{
public:
/** WebIDL Methods. */
static already_AddRefed<MediaSource>
Constructor(const GlobalObject& aGlobal,
ErrorResult& aRv);
SourceBufferList* SourceBuffers();
SourceBufferList* ActiveSourceBuffers();
MediaSourceReadyState ReadyState();
double Duration();
void SetDuration(double aDuration, ErrorResult& aRv);
already_AddRefed<SourceBuffer> AddSourceBuffer(const nsAString& aType, ErrorResult& aRv);
void RemoveSourceBuffer(SourceBuffer& aSourceBuffer, ErrorResult& aRv);
void EndOfStream(const Optional<MediaSourceEndOfStreamError>& aError, ErrorResult& aRv);
void EndOfStream(const MediaResult& aError);
void SetLiveSeekableRange(double aStart, double aEnd, ErrorResult& aRv);
void ClearLiveSeekableRange(ErrorResult& aRv);
static bool IsTypeSupported(const GlobalObject&, const nsAString& aType);
static nsresult IsTypeSupported(const nsAString& aType, DecoderDoctorDiagnostics* aDiagnostics);
static bool Enabled(JSContext* cx, JSObject* aGlobal);
IMPL_EVENT_HANDLER(sourceopen);
IMPL_EVENT_HANDLER(sourceended);
IMPL_EVENT_HANDLER(sourceclosed);
/** End WebIDL Methods. */
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(MediaSource, DOMEventTargetHelper)
NS_DECLARE_STATIC_IID_ACCESSOR(MOZILLA_DOM_MEDIASOURCE_IMPLEMENTATION_IID)
nsPIDOMWindowInner* GetParentObject() const;
JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
// Attach this MediaSource to Decoder aDecoder. Returns false if already attached.
bool Attach(MediaSourceDecoder* aDecoder);
void Detach();
// Set mReadyState to aState and fire the required events at the MediaSource.
void SetReadyState(MediaSourceReadyState aState);
// Used by SourceBuffer to call CreateSubDecoder.
MediaSourceDecoder* GetDecoder()
{
return mDecoder;
}
nsIPrincipal* GetPrincipal()
{
return mPrincipal;
}
// Returns a string describing the state of the MediaSource internal
// buffered data. Used for debugging purposes.
void GetMozDebugReaderData(nsAString& aString);
bool HasLiveSeekableRange() const { return mLiveSeekableRange.isSome(); }
media::TimeInterval LiveSeekableRange() const
{
return mLiveSeekableRange.value();
}
private:
// SourceBuffer uses SetDuration and SourceBufferIsActive
friend class mozilla::dom::SourceBuffer;
~MediaSource();
explicit MediaSource(nsPIDOMWindowInner* aWindow);
friend class AsyncEventRunner<MediaSource>;
void DispatchSimpleEvent(const char* aName);
void QueueAsyncSimpleEvent(const char* aName);
void DurationChange(double aNewDuration, ErrorResult& aRv);
// SetDuration with no checks.
void SetDuration(double aDuration);
// Mark SourceBuffer as active and rebuild ActiveSourceBuffers.
void SourceBufferIsActive(SourceBuffer* aSourceBuffer);
RefPtr<SourceBufferList> mSourceBuffers;
RefPtr<SourceBufferList> mActiveSourceBuffers;
RefPtr<MediaSourceDecoder> mDecoder;
// Ensures the media element remains alive to dispatch progress and
// durationchanged events.
RefPtr<HTMLMediaElement> mMediaElement;
RefPtr<nsIPrincipal> mPrincipal;
MediaSourceReadyState mReadyState;
Maybe<media::TimeInterval> mLiveSeekableRange;
};
NS_DEFINE_STATIC_IID_ACCESSOR(MediaSource, MOZILLA_DOM_MEDIASOURCE_IMPLEMENTATION_IID)
} // namespace dom
} // namespace mozilla
#endif /* mozilla_dom_MediaSource_h_ */
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