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-rw-r--r--dom/media/mediasource/MediaSource.h157
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diff --git a/dom/media/mediasource/MediaSource.h b/dom/media/mediasource/MediaSource.h
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+++ b/dom/media/mediasource/MediaSource.h
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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 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_ */