1// Copyright 2013 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 CHROME_BROWSER_EXTENSIONS_WEBSTORE_DATA_FETCHER_H_ 6#define CHROME_BROWSER_EXTENSIONS_WEBSTORE_DATA_FETCHER_H_ 7 8#include <string> 9 10#include "base/memory/scoped_ptr.h" 11#include "base/memory/weak_ptr.h" 12#include "net/url_request/url_fetcher_delegate.h" 13#include "url/gurl.h" 14 15namespace base { 16class Value; 17} 18 19namespace net { 20class URLFetcher; 21class URLRequestContextGetter; 22} 23 24namespace extensions { 25 26class WebstoreDataFetcherDelegate; 27 28// WebstoreDataFetcher fetches web store data and parses it into a 29// DictionaryValue. 30class WebstoreDataFetcher : public base::SupportsWeakPtr<WebstoreDataFetcher>, 31 public net::URLFetcherDelegate { 32 public: 33 WebstoreDataFetcher(WebstoreDataFetcherDelegate* delegate, 34 net::URLRequestContextGetter* request_context, 35 const GURL& referrer_url, 36 const std::string webstore_item_id); 37 virtual ~WebstoreDataFetcher(); 38 39 void Start(); 40 41 void set_max_auto_retries(int max_retries) { 42 max_auto_retries_ = max_retries; 43 } 44 45 private: 46 void OnJsonParseSuccess(scoped_ptr<base::Value> parsed_json); 47 void OnJsonParseFailure(const std::string& error); 48 49 // net::URLFetcherDelegate overrides: 50 virtual void OnURLFetchComplete(const net::URLFetcher* source) OVERRIDE; 51 52 WebstoreDataFetcherDelegate* delegate_; 53 net::URLRequestContextGetter* request_context_; 54 GURL referrer_url_; 55 std::string id_; 56 57 // For fetching webstore JSON data. 58 scoped_ptr<net::URLFetcher> webstore_data_url_fetcher_; 59 60 // Maximum auto retry times on server 5xx error or ERR_NETWORK_CHANGED. 61 // Default is 0 which means to use the URLFetcher default behavior. 62 int max_auto_retries_; 63 64 DISALLOW_COPY_AND_ASSIGN(WebstoreDataFetcher); 65}; 66 67} // namespace extensions 68 69#endif // CHROME_BROWSER_EXTENSIONS_WEBSTORE_DATA_FETCHER_H_ 70