michael@0: /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* vim: set ts=8 sts=2 et sw=2 tw=80: */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef mozilla_dom_MediaSource_h_
michael@0: #define mozilla_dom_MediaSource_h_
michael@0: 
michael@0: #include "MediaSourceDecoder.h"
michael@0: #include "js/RootingAPI.h"
michael@0: #include "mozilla/Assertions.h"
michael@0: #include "mozilla/Attributes.h"
michael@0: #include "mozilla/DOMEventTargetHelper.h"
michael@0: #include "mozilla/dom/MediaSourceBinding.h"
michael@0: #include "nsAutoPtr.h"
michael@0: #include "nsCOMPtr.h"
michael@0: #include "nsCycleCollectionNoteChild.h"
michael@0: #include "nsCycleCollectionParticipant.h"
michael@0: #include "nsID.h"
michael@0: #include "nsISupports.h"
michael@0: #include "nscore.h"
michael@0: 
michael@0: struct JSContext;
michael@0: class JSObject;
michael@0: class nsPIDOMWindow;
michael@0: 
michael@0: namespace mozilla {
michael@0: 
michael@0: class ErrorResult;
michael@0: template <typename T> class AsyncEventRunner;
michael@0: 
michael@0: namespace dom {
michael@0: 
michael@0: class GlobalObject;
michael@0: class SourceBuffer;
michael@0: class SourceBufferList;
michael@0: template <typename T> class Optional;
michael@0: 
michael@0: #define MOZILLA_DOM_MEDIASOURCE_IMPLEMENTATION_IID \
michael@0:   { 0x3839d699, 0x22c5, 0x439f, \
michael@0:   { 0x94, 0xca, 0x0e, 0x0b, 0x26, 0xf9, 0xca, 0xbf } }
michael@0: 
michael@0: class MediaSource MOZ_FINAL : public DOMEventTargetHelper
michael@0: {
michael@0: public:
michael@0:   /** WebIDL Methods. */
michael@0:   static already_AddRefed<MediaSource>
michael@0:   Constructor(const GlobalObject& aGlobal,
michael@0:               ErrorResult& aRv);
michael@0: 
michael@0:   SourceBufferList* SourceBuffers();
michael@0:   SourceBufferList* ActiveSourceBuffers();
michael@0:   MediaSourceReadyState ReadyState();
michael@0: 
michael@0:   double Duration();
michael@0:   void SetDuration(double aDuration, ErrorResult& aRv);
michael@0: 
michael@0:   already_AddRefed<SourceBuffer> AddSourceBuffer(const nsAString& aType, ErrorResult& aRv);
michael@0:   void RemoveSourceBuffer(SourceBuffer& aSourceBuffer, ErrorResult& aRv);
michael@0: 
michael@0:   void EndOfStream(const Optional<MediaSourceEndOfStreamError>& aError, ErrorResult& aRv);
michael@0:   static bool IsTypeSupported(const GlobalObject&, const nsAString& aType);
michael@0:   /** End WebIDL Methods. */
michael@0: 
michael@0:   NS_DECL_ISUPPORTS_INHERITED
michael@0:   NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(MediaSource, DOMEventTargetHelper)
michael@0:   NS_DECLARE_STATIC_IID_ACCESSOR(MOZILLA_DOM_MEDIASOURCE_IMPLEMENTATION_IID)
michael@0: 
michael@0:   nsPIDOMWindow* GetParentObject() const;
michael@0: 
michael@0:   JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE;
michael@0: 
michael@0:   // Attach this MediaSource to Decoder aDecoder.  Returns false if already attached.
michael@0:   bool Attach(MediaSourceDecoder* aDecoder);
michael@0:   void Detach();
michael@0: 
michael@0:   // Set mReadyState to aState and fire the required events at the MediaSource.
michael@0:   void SetReadyState(MediaSourceReadyState aState);
michael@0: 
michael@0:  // Used by SourceBuffer to call CreateSubDecoder.
michael@0:   MediaSourceDecoder* GetDecoder()
michael@0:   {
michael@0:     return mDecoder;
michael@0:   }
michael@0: 
michael@0:   // Called by SourceBuffers to notify this MediaSource that data has
michael@0:   // been evicted from the buffered data. The start and end times
michael@0:   // that were evicted are provided.
michael@0:   void NotifyEvicted(double aStart, double aEnd);
michael@0: 
michael@0: private:
michael@0:   explicit MediaSource(nsPIDOMWindow* aWindow);
michael@0: 
michael@0:   friend class AsyncEventRunner<MediaSource>;
michael@0:   void DispatchSimpleEvent(const char* aName);
michael@0:   void QueueAsyncSimpleEvent(const char* aName);
michael@0: 
michael@0:   void DurationChange(double aNewDuration, ErrorResult& aRv);
michael@0: 
michael@0:   double mDuration;
michael@0: 
michael@0:   nsRefPtr<SourceBufferList> mSourceBuffers;
michael@0:   nsRefPtr<SourceBufferList> mActiveSourceBuffers;
michael@0: 
michael@0:   nsRefPtr<MediaSourceDecoder> mDecoder;
michael@0: 
michael@0:   MediaSourceReadyState mReadyState;
michael@0: };
michael@0: 
michael@0: NS_DEFINE_STATIC_IID_ACCESSOR(MediaSource, MOZILLA_DOM_MEDIASOURCE_IMPLEMENTATION_IID)
michael@0: 
michael@0: } // namespace dom
michael@0: 
michael@0: } // namespace mozilla
michael@0: #endif /* mozilla_dom_MediaSource_h_ */