[Not ready for review] Add Streams API support to FileReader

Source/core/fileapi/FileReader.h

 /*
  * Copyright (C) 2010 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
@@ skipping 19 matching lines @@
 
 #ifndef FileReader_h
 #define FileReader_h
 
 #include "bindings/v8/ScriptWrappable.h"
 #include "core/dom/ActiveDOMObject.h"
 #include "core/dom/EventTarget.h"
 #include "core/fileapi/FileError.h"
 #include "core/fileapi/FileReaderLoader.h"
 #include "core/fileapi/FileReaderLoaderClient.h"
+#include "core/fileapi/Stream.h"
 #include "wtf/Forward.h"
 #include "wtf/RefCounted.h"
 #include "wtf/text/WTFString.h"
 
 namespace WebCore {
 
-class Blob;
 class ScriptExecutionContext;
 
 typedef int ExceptionCode;
 
 class FileReader : public RefCounted<FileReader>, public ScriptWrappable, public ActiveDOMObject, public EventTarget, public FileReaderLoaderClient {
 public:
     static PassRefPtr<FileReader> create(ScriptExecutionContext*);
 
     virtual ~FileReader();
 
     enum ReadyState {
         EMPTY = 0,
         LOADING = 1,
         DONE = 2
     };
 
     void readAsArrayBuffer(Blob*, ExceptionCode&);
     void readAsBinaryString(Blob*, ExceptionCode&);
     void readAsText(Blob*, const String& encoding, ExceptionCode&);
     void readAsText(Blob*, ExceptionCode&);
     void readAsDataURL(Blob*, ExceptionCode&);
+    void readAsArrayBuffer(Stream*, ExceptionCode&);
     void abort();
 
     void doAbort();
 
     ReadyState readyState() const { return m_state; }
     PassRefPtr<FileError> error() { return m_error; }
     FileReaderLoader::ReadType readType() const { return m_readType; }
     PassRefPtr<ArrayBuffer> arrayBufferResult() const;
     String stringResult();
 
@@ skipping 24 matching lines @@
 private:
     FileReader(ScriptExecutionContext*);
 
     // EventTarget
     virtual void refEventTarget() { ref(); }
     virtual void derefEventTarget() { deref(); }
     virtual EventTargetData* eventTargetData() { return &m_eventTargetData; }
     virtual EventTargetData* ensureEventTargetData() { return &m_eventTargetData; }
 
     void terminate();
-    void readInternal(Blob*, FileReaderLoader::ReadType, ExceptionCode&);
+    void readInternal(Blob*, Stream*, FileReaderLoader::ReadType, ExceptionCode&);
     void fireErrorEvent(int httpStatusCode);
     void fireEvent(const AtomicString& type);
 
     ReadyState m_state;
     bool m_aborting;
     EventTargetData m_eventTargetData;
 
     RefPtr<Blob> m_blob;
+    RefPtr<Stream> m_stream;
     FileReaderLoader::ReadType m_readType;
     String m_encoding;
 
     OwnPtr<FileReaderLoader> m_loader;
     RefPtr<FileError> m_error;
     double m_lastProgressNotificationTimeMS;
 };
 
 } // namespace WebCore
 
 #endif // FileReader_h