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