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      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_UI_APP_LIST_SEARCH_WEBSTORE_WEBSTORE_PROVIDER_H_
      6 #define CHROME_BROWSER_UI_APP_LIST_SEARCH_WEBSTORE_WEBSTORE_PROVIDER_H_
      7 
      8 #include "base/basictypes.h"
      9 #include "base/callback_forward.h"
     10 #include "base/memory/scoped_ptr.h"
     11 #include "chrome/browser/ui/app_list/search/common/webservice_search_provider.h"
     12 
     13 class AppListControllerDelegate;
     14 
     15 namespace base {
     16 class DictionaryValue;
     17 }
     18 
     19 namespace app_list {
     20 
     21 namespace test {
     22 class WebstoreProviderTest;
     23 }
     24 
     25 class ChromeSearchResult;
     26 class JSONResponseFetcher;
     27 
     28 // WebstoreProvider fetches search results from the web store server.
     29 // A "Search in web store" result will be returned if the server does not
     30 // return any results.
     31 class WebstoreProvider : public WebserviceSearchProvider{
     32  public:
     33   WebstoreProvider(Profile* profile, AppListControllerDelegate* controller);
     34   virtual ~WebstoreProvider();
     35 
     36   // SearchProvider overrides:
     37   virtual void Start(const base::string16& query) OVERRIDE;
     38   virtual void Stop() OVERRIDE;
     39 
     40  private:
     41   friend class app_list::test::WebstoreProviderTest;
     42 
     43   // Start the search request with |query_|.
     44   void StartQuery();
     45 
     46   void OnWebstoreSearchFetched(scoped_ptr<base::DictionaryValue> json);
     47   void ProcessWebstoreSearchResults(const base::DictionaryValue* json);
     48   scoped_ptr<ChromeSearchResult> CreateResult(
     49       const base::DictionaryValue& dict);
     50 
     51   void set_webstore_search_fetched_callback(const base::Closure& callback) {
     52     webstore_search_fetched_callback_ = callback;
     53   }
     54 
     55   AppListControllerDelegate* controller_;
     56   scoped_ptr<JSONResponseFetcher> webstore_search_;
     57   base::Closure webstore_search_fetched_callback_;
     58 
     59   // The current query.
     60   std::string query_;
     61 
     62   DISALLOW_COPY_AND_ASSIGN(WebstoreProvider);
     63 };
     64 
     65 }  // namespace app_list
     66 
     67 #endif  // CHROME_BROWSER_UI_APP_LIST_SEARCH_WEBSTORE_WEBSTORE_PROVIDER_H_
     68