| // 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_PREDICTORS_PREDICTORS_HANDLER_H_ |
| #define CHROME_BROWSER_UI_WEBUI_PREDICTORS_PREDICTORS_HANDLER_H_ |
| |
| #include "base/compiler_specific.h" |
| #include "chrome/browser/predictors/resource_prefetch_predictor.h" |
| #include "content/public/browser/web_ui_message_handler.h" |
| |
| namespace base { |
| class ListValue; |
| } |
| |
| namespace predictors { |
| class AutocompleteActionPredictor; |
| class ResourcePrefetchPredictor; |
| } |
| |
| class Profile; |
| |
| // The handler for Javascript messages for about:predictors. |
| class PredictorsHandler : public content::WebUIMessageHandler { |
| public: |
| explicit PredictorsHandler(Profile* profile); |
| ~PredictorsHandler() override; |
| |
| // WebUIMessageHandler implementation. |
| void RegisterMessages() override; |
| |
| private: |
| // Synchronously fetches the database from AutocompleteActionPredictor and |
| // calls into JS with the resulting DictionaryValue. |
| void RequestAutocompleteActionPredictorDb(const base::ListValue* args); |
| |
| // Fetches stats for the ResourcePrefetchPredictor and returns it as a |
| // DictionaryValue to the JS. |
| void RequestResourcePrefetchPredictorDb(const base::ListValue* args); |
| |
| // Helper for RequestResourcePrefetchPredictorDb. |
| void AddPrefetchDataMapToListValue( |
| const predictors::ResourcePrefetchPredictor::PrefetchDataMap& data_map, |
| base::ListValue* db) const; |
| |
| predictors::AutocompleteActionPredictor* autocomplete_action_predictor_; |
| predictors::ResourcePrefetchPredictor* resource_prefetch_predictor_; |
| |
| DISALLOW_COPY_AND_ASSIGN(PredictorsHandler); |
| }; |
| |
| #endif // CHROME_BROWSER_UI_WEBUI_PREDICTORS_PREDICTORS_HANDLER_H_ |