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// Copyright (c) 2011 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_SYSTEM_URL_REQUEST_JOB_H_
#define WEBKIT_FILEAPI_FILE_SYSTEM_URL_REQUEST_JOB_H_
#pragma once
#include <string>
#include "base/memory/scoped_callback_factory.h"
#include "base/memory/scoped_ptr.h"
#include "base/message_loop_proxy.h"
#include "base/platform_file.h"
#include "base/task.h"
#include "net/base/completion_callback.h"
#include "net/http/http_byte_range.h"
#include "net/url_request/url_request_job.h"
class GURL;
class FilePath;
namespace net {
class FileStream;
}
namespace fileapi {
class FileSystemContext;
// A request job that handles reading filesystem: URLs
class FileSystemURLRequestJob : public net::URLRequestJob {
public:
FileSystemURLRequestJob(
net::URLRequest* request,
FileSystemContext* file_system_context,
scoped_refptr<base::MessageLoopProxy> file_thread_proxy);
// URLRequestJob methods:
virtual void Start();
virtual void Kill();
virtual bool ReadRawData(net::IOBuffer* buf, int buf_size, int* bytes_read);
virtual bool IsRedirectResponse(GURL* location, int* http_status_code);
virtual void SetExtraRequestHeaders(const net::HttpRequestHeaders& headers);
virtual void GetResponseInfo(net::HttpResponseInfo* info);
virtual int GetResponseCode() const;
// FilterContext methods (via URLRequestJob):
virtual bool GetMimeType(std::string* mime_type) const;
private:
class CallbackDispatcher;
virtual ~FileSystemURLRequestJob();
void StartAsync();
void DidGetMetadata(const base::PlatformFileInfo& file_info,
const FilePath& platform_path);
void DidOpen(base::PlatformFileError error_code,
base::PassPlatformFile file, bool created);
void DidRead(int result);
void NotifyFailed(int rv);
FileSystemContext* file_system_context_;
scoped_refptr<base::MessageLoopProxy> file_thread_proxy_;
ScopedRunnableMethodFactory<FileSystemURLRequestJob> method_factory_;
base::ScopedCallbackFactory<FileSystemURLRequestJob> callback_factory_;
net::CompletionCallbackImpl<FileSystemURLRequestJob> io_callback_;
scoped_ptr<net::FileStream> stream_;
bool is_directory_;
scoped_ptr<net::HttpResponseInfo> response_info_;
int64 remaining_bytes_;
net::HttpByteRange byte_range_;
DISALLOW_COPY_AND_ASSIGN(FileSystemURLRequestJob);
};
} // namespace fileapi
#endif // WEBKIT_FILEAPI_FILE_SYSTEM_URL_REQUEST_JOB_H_
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