| // 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_ |