| // 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 NET_URL_REQUEST_URL_REQUEST_FILE_JOB_H_ |
| #define NET_URL_REQUEST_URL_REQUEST_FILE_JOB_H_ |
| #pragma once |
| |
| #include <string> |
| #include <vector> |
| |
| #include "base/file_path.h" |
| #include "net/base/file_stream.h" |
| #include "net/base/net_export.h" |
| #include "net/http/http_byte_range.h" |
| #include "net/url_request/url_request.h" |
| #include "net/url_request/url_request_job.h" |
| |
| namespace file_util { |
| struct FileInfo; |
| } |
| |
| namespace net { |
| |
| // A request job that handles reading file URLs |
| class NET_EXPORT URLRequestFileJob : public URLRequestJob { |
| public: |
| URLRequestFileJob(URLRequest* request, const FilePath& file_path); |
| |
| static URLRequest::ProtocolFactory Factory; |
| |
| #if defined(OS_CHROMEOS) |
| static bool AccessDisabled(const FilePath& file_path); |
| #endif |
| |
| // URLRequestJob: |
| virtual void Start() OVERRIDE; |
| virtual void Kill() OVERRIDE; |
| virtual bool ReadRawData(IOBuffer* buf, |
| int buf_size, |
| int* bytes_read) OVERRIDE; |
| virtual bool IsRedirectResponse(GURL* location, |
| int* http_status_code) OVERRIDE; |
| virtual Filter* SetupFilter() const OVERRIDE; |
| virtual bool GetMimeType(std::string* mime_type) const OVERRIDE; |
| virtual void SetExtraRequestHeaders( |
| const HttpRequestHeaders& headers) OVERRIDE; |
| |
| protected: |
| virtual ~URLRequestFileJob(); |
| |
| // The OS-specific full path name of the file |
| FilePath file_path_; |
| |
| private: |
| // Callback after fetching file info on a background thread. |
| void DidResolve(bool exists, const base::PlatformFileInfo& file_info); |
| |
| // Callback after data is asynchronously read from the file. |
| void DidRead(int result); |
| |
| FileStream stream_; |
| bool is_directory_; |
| |
| HttpByteRange byte_range_; |
| int64 remaining_bytes_; |
| |
| // The initial file metadata is fetched on a background thread. |
| // AsyncResolver runs that task. |
| class AsyncResolver; |
| friend class AsyncResolver; |
| scoped_refptr<AsyncResolver> async_resolver_; |
| |
| DISALLOW_COPY_AND_ASSIGN(URLRequestFileJob); |
| }; |
| |
| } // namespace net |
| |
| #endif // NET_URL_REQUEST_URL_REQUEST_FILE_JOB_H_ |