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// 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_FILEAPI_FILE_SYSTEM_URL_REQUEST_JOB_H_
#define WEBKIT_FILEAPI_FILE_SYSTEM_URL_REQUEST_JOB_H_
#include <string>
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/platform_file.h"
#include "net/http/http_byte_range.h"
#include "net/url_request/url_request_job.h"
#include "webkit/fileapi/file_system_url.h"
#include "webkit/storage/webkit_storage_export.h"
class GURL;
namespace base {
class FilePath;
}
namespace webkit_blob {
class FileStreamReader;
}
namespace fileapi {
class FileSystemContext;
// A request job that handles reading filesystem: URLs
class WEBKIT_STORAGE_EXPORT_PRIVATE FileSystemURLRequestJob
: public net::URLRequestJob {
public:
FileSystemURLRequestJob(
net::URLRequest* request,
net::NetworkDelegate* network_delegate,
FileSystemContext* file_system_context);
// URLRequestJob methods:
virtual void Start() OVERRIDE;
virtual void Kill() OVERRIDE;
virtual bool ReadRawData(net::IOBuffer* buf,
int buf_size,
int* bytes_read) OVERRIDE;
virtual bool IsRedirectResponse(GURL* location,
int* http_status_code) OVERRIDE;
virtual void SetExtraRequestHeaders(
const net::HttpRequestHeaders& headers) OVERRIDE;
virtual void GetResponseInfo(net::HttpResponseInfo* info) OVERRIDE;
virtual int GetResponseCode() const OVERRIDE;
// FilterContext methods (via URLRequestJob):
virtual bool GetMimeType(std::string* mime_type) const OVERRIDE;
private:
class CallbackDispatcher;
virtual ~FileSystemURLRequestJob();
void StartAsync();
void DidGetMetadata(
base::PlatformFileError error_code,
const base::PlatformFileInfo& file_info,
const base::FilePath& platform_path);
void DidRead(int result);
void NotifyFailed(int rv);
FileSystemContext* file_system_context_;
base::WeakPtrFactory<FileSystemURLRequestJob> weak_factory_;
scoped_ptr<webkit_blob::FileStreamReader> reader_;
FileSystemURL url_;
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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