| /* |
| * Copyright (C) 2013 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef SourceBuffer_h |
| #define SourceBuffer_h |
| |
| #include "bindings/v8/ScriptWrappable.h" |
| #include "core/dom/ActiveDOMObject.h" |
| #include "core/events/EventTarget.h" |
| #include "core/fileapi/FileReaderLoaderClient.h" |
| #include "platform/AsyncMethodRunner.h" |
| #include "platform/weborigin/KURL.h" |
| #include "wtf/OwnPtr.h" |
| #include "wtf/PassOwnPtr.h" |
| #include "wtf/PassRefPtr.h" |
| #include "wtf/RefCounted.h" |
| #include "wtf/RefPtr.h" |
| #include "wtf/text/WTFString.h" |
| |
| namespace blink { |
| class WebSourceBuffer; |
| } |
| |
| namespace WebCore { |
| |
| class ExceptionState; |
| class FileReaderLoader; |
| class GenericEventQueue; |
| class MediaSource; |
| class Stream; |
| class TimeRanges; |
| |
| class SourceBuffer : public RefCounted<SourceBuffer>, public ActiveDOMObject, public EventTargetWithInlineData, public ScriptWrappable, public FileReaderLoaderClient { |
| REFCOUNTED_EVENT_TARGET(SourceBuffer); |
| public: |
| static PassRefPtr<SourceBuffer> create(PassOwnPtr<blink::WebSourceBuffer>, MediaSource*, GenericEventQueue*); |
| |
| virtual ~SourceBuffer(); |
| |
| // SourceBuffer.idl methods |
| bool updating() const { return m_updating; } |
| PassRefPtr<TimeRanges> buffered(ExceptionState&) const; |
| double timestampOffset() const; |
| void setTimestampOffset(double, ExceptionState&); |
| void appendBuffer(PassRefPtr<ArrayBuffer> data, ExceptionState&); |
| void appendBuffer(PassRefPtr<ArrayBufferView> data, ExceptionState&); |
| void appendStream(PassRefPtr<Stream>, ExceptionState&); |
| void appendStream(PassRefPtr<Stream>, unsigned long long maxSize, ExceptionState&); |
| void abort(ExceptionState&); |
| void remove(double start, double end, ExceptionState&); |
| double appendWindowStart() const; |
| void setAppendWindowStart(double, ExceptionState&); |
| double appendWindowEnd() const; |
| void setAppendWindowEnd(double, ExceptionState&); |
| |
| void abortIfUpdating(); |
| void removedFromMediaSource(); |
| |
| // ActiveDOMObject interface |
| virtual bool hasPendingActivity() const OVERRIDE; |
| virtual void suspend() OVERRIDE; |
| virtual void resume() OVERRIDE; |
| virtual void stop() OVERRIDE; |
| |
| // EventTarget interface |
| virtual ExecutionContext* executionContext() const OVERRIDE; |
| virtual const AtomicString& interfaceName() const OVERRIDE; |
| |
| private: |
| SourceBuffer(PassOwnPtr<blink::WebSourceBuffer>, MediaSource*, GenericEventQueue*); |
| |
| bool isRemoved() const; |
| void scheduleEvent(const AtomicString& eventName); |
| |
| void appendBufferInternal(const unsigned char*, unsigned, ExceptionState&); |
| void appendBufferAsyncPart(); |
| |
| void removeAsyncPart(); |
| |
| void appendStreamInternal(PassRefPtr<Stream>, ExceptionState&); |
| void appendStreamAsyncPart(); |
| void appendStreamDone(bool success); |
| void clearAppendStreamState(); |
| |
| // FileReaderLoaderClient interface |
| virtual void didStartLoading() OVERRIDE; |
| virtual void didReceiveDataForClient(const char* data, unsigned dataLength) OVERRIDE; |
| virtual void didFinishLoading() OVERRIDE; |
| virtual void didFail(FileError::ErrorCode) OVERRIDE; |
| |
| OwnPtr<blink::WebSourceBuffer> m_webSourceBuffer; |
| MediaSource* m_source; |
| GenericEventQueue* m_asyncEventQueue; |
| |
| bool m_updating; |
| double m_timestampOffset; |
| double m_appendWindowStart; |
| double m_appendWindowEnd; |
| |
| Vector<unsigned char> m_pendingAppendData; |
| AsyncMethodRunner<SourceBuffer> m_appendBufferAsyncPartRunner; |
| |
| double m_pendingRemoveStart; |
| double m_pendingRemoveEnd; |
| AsyncMethodRunner<SourceBuffer> m_removeAsyncPartRunner; |
| |
| bool m_streamMaxSizeValid; |
| unsigned long long m_streamMaxSize; |
| AsyncMethodRunner<SourceBuffer> m_appendStreamAsyncPartRunner; |
| RefPtr<Stream> m_stream; |
| OwnPtr<FileReaderLoader> m_loader; |
| }; |
| |
| } // namespace WebCore |
| |
| #endif |