15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef NET_URL_REQUEST_URL_REQUEST_SIMPLE_JOB_H_ 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define NET_URL_REQUEST_URL_REQUEST_SIMPLE_JOB_H_ 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <string> 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/memory/weak_ptr.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "net/base/completion_callback.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "net/base/net_export.h" 135d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "net/url_request/url_range_request_job.h" 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace net { 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class URLRequest; 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 195d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)class NET_EXPORT URLRequestSimpleJob : public URLRangeRequestJob { 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) URLRequestSimpleJob(URLRequest* request, NetworkDelegate* network_delegate); 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void Start() OVERRIDE; 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual bool ReadRawData(IOBuffer* buf, 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int buf_size, 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int *bytes_read) OVERRIDE; 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual bool GetMimeType(std::string* mime_type) const OVERRIDE; 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual bool GetCharset(std::string* charset) OVERRIDE; 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) protected: 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~URLRequestSimpleJob(); 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Subclasses must override the way response data is determined. 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The return value should be: 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // - OK if data is obtained; 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // - ERR_IO_PENDING if async processing is needed to finish obtaining data. 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This is the only case when |callback| should be called after 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // completion of the operation. In other situations |callback| should 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // never be called; 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // - any other ERR_* code to indicate an error. This code will be used 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // as the error code in the URLRequestStatus when the URLRequest 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // is finished. 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual int GetData(std::string* mime_type, 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string* charset, 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string* data, 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const CompletionCallback& callback) const = 0; 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) protected: 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void StartAsync(); 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void OnGetDataCompleted(int result); 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 545d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) HttpByteRange byte_range_; 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string mime_type_; 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string charset_; 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string data_; 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int data_offset_; 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::WeakPtrFactory<URLRequestSimpleJob> weak_factory_; 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace net 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // NET_URL_REQUEST_URL_REQUEST_SIMPLE_JOB_H_ 65