| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CHROME_BROWSER_UI_WEBUI_NTP_SUGGESTIONS_SOURCE_DISCOVERY_H_ |
| #define CHROME_BROWSER_UI_WEBUI_NTP_SUGGESTIONS_SOURCE_DISCOVERY_H_ |
| |
| #include <deque> |
| #include <string> |
| |
| #include "base/basictypes.h" |
| #include "base/compiler_specific.h" |
| #include "chrome/browser/ui/webui/ntp/suggestions_source.h" |
| |
| class SuggestionsCombiner; |
| class Profile; |
| |
| namespace base { |
| class DictionaryValue; |
| } |
| |
| // A source linked to a single extension using the discovery API to suggest |
| // websites the user might find interesting. |
| class SuggestionsSourceDiscovery : public SuggestionsSource { |
| public: |
| explicit SuggestionsSourceDiscovery(const std::string& extension_id); |
| virtual ~SuggestionsSourceDiscovery(); |
| |
| protected: |
| // SuggestionsSource overrides: |
| virtual void SetDebug(bool enable) OVERRIDE; |
| virtual int GetWeight() OVERRIDE; |
| virtual int GetItemCount() OVERRIDE; |
| virtual base::DictionaryValue* PopItem() OVERRIDE; |
| virtual void FetchItems(Profile* profile) OVERRIDE; |
| virtual void SetCombiner(SuggestionsCombiner* combiner) OVERRIDE; |
| |
| private: |
| // Our combiner. |
| SuggestionsCombiner* combiner_; |
| |
| // Keep the results fetched from the discovery service here. |
| std::deque<base::DictionaryValue*> items_; |
| |
| // The extension associated with this source. |
| std::string extension_id_; |
| |
| // Whether the source should provide additional debug information or not. |
| bool debug_; |
| |
| DISALLOW_COPY_AND_ASSIGN(SuggestionsSourceDiscovery); |
| }; |
| |
| #endif // CHROME_BROWSER_UI_WEBUI_NTP_SUGGESTIONS_SOURCE_DISCOVERY_H_ |