1 files changed, 157 insertions, 0 deletions
diff --git a/dom/media/mediasource/MediaSource.h b/dom/media/mediasource/MediaSource.h
new file mode 100644
index 000000000..0d2dc0588
--- /dev/null
+++ b/dom/media/mediasource/MediaSource.h
@@ -0,0 +1,157 @@
+/* -*- 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_ */