Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 1 | // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #ifndef NET_URL_REQUEST_URL_REQUEST_SIMPLE_JOB_H_ |
| 6 | #define NET_URL_REQUEST_URL_REQUEST_SIMPLE_JOB_H_ |
| 7 | |
| 8 | #include <string> |
| 9 | |
| 10 | #include "base/memory/weak_ptr.h" |
| 11 | #include "net/base/completion_callback.h" |
| 12 | #include "net/base/net_export.h" |
Torne (Richard Coles) | 5d1f7b1 | 2014-02-21 12:16:55 +0000 | [diff] [blame] | 13 | #include "net/url_request/url_range_request_job.h" |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 14 | |
| 15 | namespace net { |
| 16 | |
| 17 | class URLRequest; |
| 18 | |
Torne (Richard Coles) | 5d1f7b1 | 2014-02-21 12:16:55 +0000 | [diff] [blame] | 19 | class NET_EXPORT URLRequestSimpleJob : public URLRangeRequestJob { |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 20 | public: |
| 21 | URLRequestSimpleJob(URLRequest* request, NetworkDelegate* network_delegate); |
| 22 | |
| 23 | virtual void Start() OVERRIDE; |
| 24 | virtual bool ReadRawData(IOBuffer* buf, |
| 25 | int buf_size, |
| 26 | int *bytes_read) OVERRIDE; |
| 27 | virtual bool GetMimeType(std::string* mime_type) const OVERRIDE; |
| 28 | virtual bool GetCharset(std::string* charset) OVERRIDE; |
| 29 | |
| 30 | protected: |
| 31 | virtual ~URLRequestSimpleJob(); |
| 32 | |
| 33 | // Subclasses must override the way response data is determined. |
| 34 | // The return value should be: |
| 35 | // - OK if data is obtained; |
| 36 | // - ERR_IO_PENDING if async processing is needed to finish obtaining data. |
| 37 | // This is the only case when |callback| should be called after |
| 38 | // completion of the operation. In other situations |callback| should |
| 39 | // never be called; |
| 40 | // - any other ERR_* code to indicate an error. This code will be used |
| 41 | // as the error code in the URLRequestStatus when the URLRequest |
| 42 | // is finished. |
| 43 | virtual int GetData(std::string* mime_type, |
| 44 | std::string* charset, |
| 45 | std::string* data, |
| 46 | const CompletionCallback& callback) const = 0; |
| 47 | |
| 48 | protected: |
| 49 | void StartAsync(); |
| 50 | |
| 51 | private: |
| 52 | void OnGetDataCompleted(int result); |
| 53 | |
Torne (Richard Coles) | 5d1f7b1 | 2014-02-21 12:16:55 +0000 | [diff] [blame] | 54 | HttpByteRange byte_range_; |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 55 | std::string mime_type_; |
| 56 | std::string charset_; |
| 57 | std::string data_; |
| 58 | int data_offset_; |
| 59 | base::WeakPtrFactory<URLRequestSimpleJob> weak_factory_; |
| 60 | }; |
| 61 | |
| 62 | } // namespace net |
| 63 | |
| 64 | #endif // NET_URL_REQUEST_URL_REQUEST_SIMPLE_JOB_H_ |