Move webkit/chromeos into webkit/browser/chromeos

webkit/chromeos/fileapi/remote_file_stream_writer.h

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef WEBKIT_CHROMEOS_FILEAPI_REMOTE_FILE_STREAM_WRITER_H_
-#define WEBKIT_CHROMEOS_FILEAPI_REMOTE_FILE_STREAM_WRITER_H_
-
-#include "base/basictypes.h"
-#include "base/files/file_path.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/memory/weak_ptr.h"
-#include "base/platform_file.h"
-#include "webkit/browser/fileapi/file_stream_writer.h"
-#include "webkit/browser/fileapi/file_system_url.h"
-
-namespace net {
-class IOBuffer;
-}
-
-namespace webkit_blob {
-class ShareableFileReference;
-}
-
-namespace fileapi {
-
-class RemoteFileSystemProxyInterface;
-
-// FileStreamWriter interface for writing to a file on remote file system.
-class RemoteFileStreamWriter : public fileapi::FileStreamWriter {
- public:
-  // Creates a writer for a file on |remote_filesystem| with path url |url|
-  // (like "filesystem:chrome-extension://id/external/special/drive/...") that
-  // starts writing from |offset|. When invalid parameters are set, the first
-  // call to Write() method fails.
-  RemoteFileStreamWriter(
-      const scoped_refptr<RemoteFileSystemProxyInterface>& remote_filesystem,
-      const FileSystemURL& url,
-      int64 offset);
-  virtual ~RemoteFileStreamWriter();
-
-  // FileWriter override.
-  virtual int Write(net::IOBuffer* buf, int buf_len,
-                    const net::CompletionCallback& callback) OVERRIDE;
-  virtual int Cancel(const net::CompletionCallback& callback) OVERRIDE;
-  virtual int Flush(const net::CompletionCallback& callback) OVERRIDE;
-
- private:
-  // Callback function to do the continuation of the work of the first Write()
-  // call, which tries to open the local copy of the file before writing.
-  void OnFileOpened(
-      net::IOBuffer* buf,
-      int buf_len,
-      const net::CompletionCallback& callback,
-      base::PlatformFileError open_result,
-      const base::FilePath& local_path,
-      const scoped_refptr<webkit_blob::ShareableFileReference>& file_ref);
-  // Calls |pending_cancel_callback_|, assuming it is non-null.
-  void InvokePendingCancelCallback(int result);
-
-  scoped_refptr<RemoteFileSystemProxyInterface> remote_filesystem_;
-  const FileSystemURL url_;
-  const int64 initial_offset_;
-  scoped_ptr<fileapi::FileStreamWriter> local_file_writer_;
-  scoped_refptr<webkit_blob::ShareableFileReference> file_ref_;
-  bool has_pending_create_snapshot_;
-  net::CompletionCallback pending_cancel_callback_;
-
-  base::WeakPtrFactory<RemoteFileStreamWriter> weak_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(RemoteFileStreamWriter);
-};
-
-}  // namespace fileapi
-
-#endif  // WEBKIT_CHROMEOS_FILEAPI_REMOTE_FILE_STREAM_WRITER_H_