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// Copyright (c) 2010 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_FILEAPI_FILE_WRITER_DELEGATE_H_
#define WEBKIT_FILEAPI_FILE_WRITER_DELEGATE_H_
#include "base/file_path.h"
#include "base/platform_file.h"
#include "base/ref_counted.h"
#include "base/scoped_callback_factory.h"
#include "base/scoped_ptr.h"
#include "base/task.h"
#include "base/time.h"
#include "net/base/file_stream.h"
#include "net/base/io_buffer.h"
#include "net/url_request/url_request.h"
namespace fileapi {
class FileSystemOperation;
class FileWriterDelegate : public URLRequest::Delegate {
public:
FileWriterDelegate(
FileSystemOperation* write_operation,
int64 offset);
virtual ~FileWriterDelegate();
void Start(base::PlatformFile file, URLRequest* request);
base::PlatformFile file() {
return file_;
}
virtual void OnReceivedRedirect(
URLRequest* request, const GURL& new_url, bool* defer_redirect);
virtual void OnAuthRequired(
URLRequest* request, net::AuthChallengeInfo* auth_info);
virtual void OnCertificateRequested(
URLRequest* request, net::SSLCertRequestInfo* cert_request_info);
virtual void OnSSLCertificateError(
URLRequest* request, int cert_error, net::X509Certificate* cert);
virtual void OnResponseStarted(URLRequest* request);
virtual void OnReadCompleted(URLRequest* request, int bytes_read);
private:
void Read();
void OnDataReceived(int bytes_read);
void Write();
void OnDataWritten(int write_response);
void OnError(base::PlatformFileError error);
void OnProgress(int bytes_read, bool done);
FileSystemOperation* file_system_operation_;
base::PlatformFile file_;
int64 offset_;
base::Time last_progress_event_time_;
int bytes_read_backlog_;
int bytes_written_;
int bytes_read_;
scoped_refptr<net::IOBufferWithSize> io_buffer_;
scoped_ptr<net::FileStream> file_stream_;
URLRequest* request_;
base::ScopedCallbackFactory<FileWriterDelegate> callback_factory_;
ScopedRunnableMethodFactory<FileWriterDelegate> method_factory_;
};
} // namespace fileapi
#endif // WEBKIT_FILEAPI_FILE_WRITER_DELEGATE_H_
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