Home | History | Annotate | Download | only in extensions 
      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 
     15 namespace base {
     16 class Value;
     17 }
     18 
     19 namespace net {
     20 class URLFetcher;
     21 class URLRequestContextGetter;
     22 }
     23 
     24 namespace extensions {
     25 
     26 class WebstoreDataFetcherDelegate;
     27 
     28 // WebstoreDataFetcher fetches web store data and parses it into a
     29 // DictionaryValue.
     30 class 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