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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 STORAGE_BROWSER_FILEAPI_FILE_SYSTEM_URL_REQUEST_JOB_H_
#define STORAGE_BROWSER_FILEAPI_FILE_SYSTEM_URL_REQUEST_JOB_H_
#include <string>
#include "base/files/file.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "net/http/http_byte_range.h"
#include "net/url_request/url_request_job.h"
#include "storage/browser/fileapi/file_system_url.h"
#include "storage/browser/storage_browser_export.h"
class GURL;
namespace base {
class FilePath;
}
namespace storage {
class FileStreamReader;
}
namespace storage {
class FileSystemContext;
// A request job that handles reading filesystem: URLs
class STORAGE_EXPORT FileSystemURLRequestJob : public net::URLRequestJob {
public:
FileSystemURLRequestJob(
net::URLRequest* request,
net::NetworkDelegate* network_delegate,
const std::string& storage_domain,
FileSystemContext* file_system_context);
// URLRequestJob methods:
void Start() override;
void Kill() override;
bool ReadRawData(net::IOBuffer* buf, int buf_size, int* bytes_read) override;
bool IsRedirectResponse(GURL* location, int* http_status_code) override;
void SetExtraRequestHeaders(const net::HttpRequestHeaders& headers) override;
void GetResponseInfo(net::HttpResponseInfo* info) override;
int GetResponseCode() const override;
// FilterContext methods (via URLRequestJob):
bool GetMimeType(std::string* mime_type) const override;
private:
class CallbackDispatcher;
~FileSystemURLRequestJob() override;
void StartAsync();
void DidAttemptAutoMount(base::File::Error result);
void DidGetMetadata(base::File::Error error_code,
const base::File::Info& file_info);
void DidRead(int result);
void NotifyFailed(int rv);
const std::string storage_domain_;
FileSystemContext* file_system_context_;
scoped_ptr<storage::FileStreamReader> reader_;
FileSystemURL url_;
bool is_directory_;
scoped_ptr<net::HttpResponseInfo> response_info_;
int64 remaining_bytes_;
net::HttpByteRange byte_range_;
base::WeakPtrFactory<FileSystemURLRequestJob> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(FileSystemURLRequestJob);
};
} // namespace storage
#endif // STORAGE_BROWSER_FILEAPI_FILE_SYSTEM_URL_REQUEST_JOB_H_
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