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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_OPTIONS_SEARCH_ENGINE_MANAGER_HANDLER_H_
      6 #define CHROME_BROWSER_UI_WEBUI_OPTIONS_SEARCH_ENGINE_MANAGER_HANDLER_H_
      7 
      8 #include "chrome/browser/ui/search_engines/edit_search_engine_controller.h"
      9 #include "chrome/browser/ui/webui/options/options_ui.h"
     10 #include "ui/base/models/table_model_observer.h"
     11 
     12 class KeywordEditorController;
     13 
     14 namespace extensions {
     15 class Extension;
     16 }
     17 
     18 namespace options {
     19 
     20 class SearchEngineManagerHandler : public OptionsPageUIHandler,
     21                                    public ui::TableModelObserver,
     22                                    public EditSearchEngineControllerDelegate {
     23  public:
     24   SearchEngineManagerHandler();
     25   virtual ~SearchEngineManagerHandler();
     26 
     27   // OptionsPageUIHandler implementation.
     28   virtual void GetLocalizedValues(
     29       base::DictionaryValue* localized_strings) OVERRIDE;
     30   virtual void InitializeHandler() OVERRIDE;
     31   virtual void InitializePage() OVERRIDE;
     32 
     33   // ui::TableModelObserver implementation.
     34   virtual void OnModelChanged() OVERRIDE;
     35   virtual void OnItemsChanged(int start, int length) OVERRIDE;
     36   virtual void OnItemsAdded(int start, int length) OVERRIDE;
     37   virtual void OnItemsRemoved(int start, int length) OVERRIDE;
     38 
     39   // EditSearchEngineControllerDelegate implementation.
     40   virtual void OnEditedKeyword(TemplateURL* template_url,
     41                                const string16& title,
     42                                const string16& keyword,
     43                                const std::string& url) OVERRIDE;
     44 
     45   virtual void RegisterMessages() OVERRIDE;
     46 
     47  private:
     48   scoped_ptr<KeywordEditorController> list_controller_;
     49   scoped_ptr<EditSearchEngineController> edit_controller_;
     50 
     51   // Removes the search engine at the given index. Called from WebUI.
     52   void RemoveSearchEngine(const base::ListValue* args);
     53 
     54   // Sets the search engine at the given index to be default. Called from WebUI.
     55   void SetDefaultSearchEngine(const base::ListValue* args);
     56 
     57   // Starts an edit session for the search engine at the given index. If the
     58   // index is -1, starts editing a new search engine instead of an existing one.
     59   // Called from WebUI.
     60   void EditSearchEngine(const base::ListValue* args);
     61 
     62   // Validates the given search engine values, and reports the results back
     63   // to WebUI. Called from WebUI.
     64   void CheckSearchEngineInfoValidity(const base::ListValue* args);
     65 
     66   // Called when an edit is cancelled.
     67   // Called from WebUI.
     68   void EditCancelled(const base::ListValue* args);
     69 
     70   // Called when an edit is finished and should be saved.
     71   // Called from WebUI.
     72   void EditCompleted(const base::ListValue* args);
     73 
     74   // Returns a dictionary to pass to WebUI representing the given search engine.
     75   base::DictionaryValue* CreateDictionaryForEngine(
     76       int index, bool is_default, bool is_extension);
     77 
     78   // Returns a dictionary to pass to WebUI representing the extension.
     79   base::DictionaryValue* CreateDictionaryForExtension(
     80       const extensions::Extension& extension);
     81 
     82   DISALLOW_COPY_AND_ASSIGN(SearchEngineManagerHandler);
     83 };
     84 
     85 }  // namespace options
     86 
     87 #endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_SEARCH_ENGINE_MANAGER_HANDLER_H_
     88