The Tor Browser: content/media/mediasource/SourceBufferList.h@44a2da4a2ab2

Replace accessor implementation with direct member state manipulation, by
request https://trac.torproject.org/projects/tor/ticket/9701#comment:32

     1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */

     3 /* This Source Code Form is subject to the terms of the Mozilla Public

     4  * License, v. 2.0. If a copy of the MPL was not distributed with this

     5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     7 #ifndef mozilla_dom_SourceBufferList_h_

     8 #define mozilla_dom_SourceBufferList_h_

    10 #include "SourceBuffer.h"

    11 #include "js/RootingAPI.h"

    12 #include "mozilla/Assertions.h"

    13 #include "mozilla/Attributes.h"

    14 #include "mozilla/DOMEventTargetHelper.h"

    15 #include "nsAutoPtr.h"

    16 #include "nsCycleCollectionNoteChild.h"

    17 #include "nsCycleCollectionParticipant.h"

    18 #include "nsISupports.h"

    19 #include "nsTArray.h"

    21 struct JSContext;

    22 class JSObject;

    24 namespace mozilla {

    26 class ErrorResult;

    27 template <typename T> class AsyncEventRunner;

    29 namespace dom {

    31 class MediaSource;

    33 class SourceBufferList MOZ_FINAL : public DOMEventTargetHelper

    34 {

    35 public:

    36   /** WebIDL Methods. */

    37   SourceBuffer* IndexedGetter(uint32_t aIndex, bool& aFound);

    39   uint32_t Length();

    40   /** End WebIDL methods. */

    42   NS_DECL_ISUPPORTS_INHERITED

    43   NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(SourceBufferList,

    44                                            DOMEventTargetHelper)

    46   explicit SourceBufferList(MediaSource* aMediaSource);

    48   MediaSource* GetParentObject() const;

    50   JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE;

    52   // Append a SourceBuffer and fire "addsourcebuffer" at the list.

    53   void Append(SourceBuffer* aSourceBuffer);

    55   // Remove a SourceBuffer and fire "removesourcebuffer" at the list.

    56   void Remove(SourceBuffer* aSourceBuffer);

    58   // Returns true if aSourceBuffer is present in the list.

    59   bool Contains(SourceBuffer* aSourceBuffer);

    61   // Remove all SourceBuffers and fire a single "removesourcebuffer" at the list.

    62   void Clear();

    64   // True if list has zero entries.

    65   bool IsEmpty();

    67   // Returns true if updating is true on any SourceBuffers in the list.

    68   bool AnyUpdating();

    70   // Calls Remove(aStart, aEnd) on each SourceBuffer in the list.  Aborts on

    71   // first error, with result returned in aRv.

    72   void Remove(double aStart, double aEnd, ErrorResult& aRv);

    74   // Mark all SourceBuffers input buffers as ended.

    75   void Ended();

    77   // Evicts data for the given time range from each SourceBuffer in the list.

    78   void Evict(double aStart, double aEnd);

    80   // Returns true if all SourceBuffers in the list contain data for the given time.

    81   bool AllContainsTime(double aTime);

    83 private:

    84   friend class AsyncEventRunner<SourceBufferList>;

    85   void DispatchSimpleEvent(const char* aName);

    86   void QueueAsyncSimpleEvent(const char* aName);

    88   nsRefPtr<MediaSource> mMediaSource;

    89   nsTArray<nsRefPtr<SourceBuffer> > mSourceBuffers;

    90 };

    92 } // namespace dom

    94 } // namespace mozilla

    95 #endif /* mozilla_dom_SourceBufferList_h_ */

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