chrome/browser/ui/webui/predictors/predictors_handler.h

   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_PREDICTORS_PREDICTORS_HANDLER_H_
   6 #define CHROME_BROWSER_UI_WEBUI_PREDICTORS_PREDICTORS_HANDLER_H_
   7
   8 #include "base/compiler_specific.h"
   9 #include "content/public/browser/web_ui_message_handler.h"
  10
  11 namespace base {
  12 class ListValue;
  13 }
  14
  15 namespace predictors {
  16 class AutocompleteActionPredictor;
  17 }
  18
  19 class Profile;
  20
  21 // The handler for Javascript messages for about:predictors.
  22 class PredictorsHandler : public content::WebUIMessageHandler {
  23  public:
  24   explicit PredictorsHandler(Profile* profile);
  25   virtual ~PredictorsHandler();
  26
  27   // WebUIMessageHandler implementation.
  28   virtual void RegisterMessages() OVERRIDE;
  29
  30  private:
  31   // Synchronously fetches the database from AutocompleteActionPredictor and
  32   // calls into JS with the resulting DictionaryValue.
  33   void RequestAutocompleteActionPredictorDb(const base::ListValue* args);
  34
  35   predictors::AutocompleteActionPredictor* autocomplete_action_predictor_;
  36
  37   DISALLOW_COPY_AND_ASSIGN(PredictorsHandler);
  38 };
  39
  40 #endif  // CHROME_BROWSER_UI_WEBUI_PREDICTORS_PREDICTORS_HANDLER_H_