| // 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 NET_URL_REQUEST_URL_REQUEST_SIMPLE_JOB_H_ |
| #define NET_URL_REQUEST_URL_REQUEST_SIMPLE_JOB_H_ |
| |
| #include <string> |
| |
| #include "base/memory/weak_ptr.h" |
| #include "net/base/completion_callback.h" |
| #include "net/base/net_export.h" |
| #include "net/url_request/url_request_job.h" |
| |
| namespace net { |
| |
| class URLRequest; |
| |
| class NET_EXPORT URLRequestSimpleJob : public URLRequestJob { |
| public: |
| URLRequestSimpleJob(URLRequest* request, NetworkDelegate* network_delegate); |
| |
| virtual void Start() override; |
| virtual bool ReadRawData(IOBuffer* buf, |
| int buf_size, |
| int *bytes_read) override; |
| virtual bool GetMimeType(std::string* mime_type) const override; |
| virtual bool GetCharset(std::string* charset) override; |
| |
| protected: |
| virtual ~URLRequestSimpleJob(); |
| |
| // Subclasses must override the way response data is determined. |
| // The return value should be: |
| // - OK if data is obtained; |
| // - ERR_IO_PENDING if async processing is needed to finish obtaining data. |
| // This is the only case when |callback| should be called after |
| // completion of the operation. In other situations |callback| should |
| // never be called; |
| // - any other ERR_* code to indicate an error. This code will be used |
| // as the error code in the URLRequestStatus when the URLRequest |
| // is finished. |
| virtual int GetData(std::string* mime_type, |
| std::string* charset, |
| std::string* data, |
| const CompletionCallback& callback) const = 0; |
| |
| protected: |
| void StartAsync(); |
| |
| private: |
| void OnGetDataCompleted(int result); |
| |
| std::string mime_type_; |
| std::string charset_; |
| std::string data_; |
| int data_offset_; |
| base::WeakPtrFactory<URLRequestSimpleJob> weak_factory_; |
| }; |
| |
| } // namespace net |
| |
| #endif // NET_URL_REQUEST_URL_REQUEST_SIMPLE_JOB_H_ |