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      1 // Copyright (c) 2012 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_WEBUI_SUGGESTIONS_INTERNALS_SUGGESTIONS_INTERNALS_UI_HANDLER_H_
      6 #define CHROME_BROWSER_UI_WEBUI_SUGGESTIONS_INTERNALS_SUGGESTIONS_INTERNALS_UI_HANDLER_H_
      7 
      8 #include "base/memory/scoped_ptr.h"
      9 #include "chrome/browser/ui/webui/ntp/suggestions_combiner.h"
     10 #include "content/public/browser/web_ui_message_handler.h"
     11 
     12 class Profile;
     13 
     14 namespace base {
     15 class ListValue;
     16 }
     17 
     18 // UI Handler for chrome://suggestions-internals/
     19 class SuggestionsInternalsUIHandler : public content::WebUIMessageHandler,
     20                                       public SuggestionsCombiner::Delegate {
     21  public:
     22   explicit SuggestionsInternalsUIHandler(Profile* profile);
     23   virtual ~SuggestionsInternalsUIHandler();
     24 
     25   // SuggestionsCombiner::Delegate implementation.
     26   virtual void OnSuggestionsReady() OVERRIDE;
     27 
     28  protected:
     29   // WebUIMessageHandler implementation.
     30   // Register our handler to get callbacks from javascript.
     31   virtual void RegisterMessages() OVERRIDE;
     32 
     33   void HandleGetSuggestions(const base::ListValue* one_element_input_string);
     34 
     35   // Used to combine suggestions from various sources.
     36   scoped_ptr<SuggestionsCombiner> suggestions_combiner_;
     37 
     38   Profile* profile_;
     39 
     40   DISALLOW_COPY_AND_ASSIGN(SuggestionsInternalsUIHandler);
     41 };
     42 
     43 #endif  // CHROME_BROWSER_UI_WEBUI_SUGGESTIONS_INTERNALS_SUGGESTIONS_INTERNALS_UI_HANDLER_H_
     44