gecko-dev/content/media/mediasource/SourceBufferList.h
2013-06-21 15:14:42 +12:00

80 lines
2.4 KiB
C++

/* -*- 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_SourceBufferList_h_
#define mozilla_dom_SourceBufferList_h_
#include "AsyncEventRunner.h"
#include "MediaSource.h"
#include "SourceBuffer.h"
#include "mozilla/Attributes.h"
#include "nsCOMPtr.h"
#include "nsCycleCollectionParticipant.h"
#include "nsDOMEventTargetHelper.h"
#include "nsWrapperCache.h"
#include "nscore.h"
namespace mozilla {
namespace dom {
class MediaSource;
class SourceBufferList MOZ_FINAL : public nsDOMEventTargetHelper
{
public:
/** WebIDL Methods. */
SourceBuffer* IndexedGetter(uint32_t aIndex, bool& aFound);
uint32_t Length();
/** End WebIDL methods. */
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(SourceBufferList, nsDOMEventTargetHelper)
explicit SourceBufferList(MediaSource* aMediaSource);
MediaSource* GetParentObject() const;
JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aScope) MOZ_OVERRIDE;
// Append a SourceBuffer and fire "addsourcebuffer" at the list.
void Append(SourceBuffer* aSourceBuffer);
// Remove a SourceBuffer and fire "removesourcebuffer" at the list.
void Remove(SourceBuffer* aSourceBuffer);
// Returns true if aSourceBuffer is present in the list.
bool Contains(SourceBuffer* aSourceBuffer);
// Remove all SourceBuffers and fire a single "removesourcebuffer" at the list.
void Clear();
// True if list has zero entries.
bool IsEmpty();
// Detach and remove all SourceBuffers and fire a single "removesourcebuffer" at the list.
void DetachAndClear();
// Returns true if updating is true on any SourceBuffers in the list.
bool AnyUpdating();
// Calls Remove(aStart, aEnd) on each SourceBuffer in the list. Aborts on
// first error, with result returned in aRv.
void Remove(double aStart, double aEnd, ErrorResult& aRv);
private:
friend class AsyncEventRunnner<SourceBufferList>;
void DispatchSimpleEvent(const char* aName);
void QueueAsyncSimpleEvent(const char* aName);
nsRefPtr<MediaSource> mMediaSource;
nsTArray<nsRefPtr<SourceBuffer> > mSourceBuffers;
};
} // namespace dom
} // namespace mozilla
#endif /* mozilla_dom_SourceBufferList_h_ */