1 // Copyright (c) 2011 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_BROWSER_OPTIONS_HANDLER_H_ 6 #define CHROME_BROWSER_UI_WEBUI_OPTIONS_BROWSER_OPTIONS_HANDLER_H_ 7 #pragma once 8 9 #include "chrome/browser/autocomplete/autocomplete_controller_delegate.h" 10 #include "chrome/browser/prefs/pref_member.h" 11 #include "chrome/browser/search_engines/template_url_model_observer.h" 12 #include "chrome/browser/shell_integration.h" 13 #include "chrome/browser/ui/webui/options/options_ui.h" 14 #include "ui/base/models/table_model_observer.h" 15 16 class AutocompleteController; 17 class CustomHomePagesTableModel; 18 class OptionsManagedBannerHandler; 19 class TemplateURLModel; 20 21 // Chrome browser options page UI handler. 22 class BrowserOptionsHandler : public OptionsPageUIHandler, 23 public AutocompleteControllerDelegate, 24 public ShellIntegration::DefaultBrowserObserver, 25 public TemplateURLModelObserver, 26 public ui::TableModelObserver { 27 public: 28 BrowserOptionsHandler(); 29 virtual ~BrowserOptionsHandler(); 30 31 virtual void Initialize(); 32 33 // OptionsPageUIHandler implementation. 34 virtual void GetLocalizedValues(DictionaryValue* localized_strings); 35 virtual void RegisterMessages(); 36 37 // AutocompleteControllerDelegate implementation. 38 virtual void OnResultChanged(bool default_match_changed); 39 40 // ShellIntegration::DefaultBrowserObserver implementation. 41 virtual void SetDefaultBrowserUIState( 42 ShellIntegration::DefaultBrowserUIState state); 43 44 // TemplateURLModelObserver implementation. 45 virtual void OnTemplateURLModelChanged(); 46 47 // ui::TableModelObserver implementation. 48 virtual void OnModelChanged(); 49 virtual void OnItemsChanged(int start, int length); 50 virtual void OnItemsAdded(int start, int length); 51 virtual void OnItemsRemoved(int start, int length); 52 53 private: 54 // NotificationObserver implementation. 55 virtual void Observe(NotificationType type, 56 const NotificationSource& source, 57 const NotificationDetails& details); 58 59 // Sets the home page to the given string. Called from WebUI. 60 void SetHomePage(const ListValue* args); 61 62 // Makes this the default browser. Called from WebUI. 63 void BecomeDefaultBrowser(const ListValue* args); 64 65 // Sets the search engine at the given index to be default. Called from WebUI. 66 void SetDefaultSearchEngine(const ListValue* args); 67 68 // Removes the startup page at the given indexes. Called from WebUI. 69 void RemoveStartupPages(const ListValue* args); 70 71 // Adds a startup page with the given URL after the given index. 72 // Called from WebUI. 73 void AddStartupPage(const ListValue* args); 74 75 // Changes the startup page at the given index to the given URL. 76 // Called from WebUI. 77 void EditStartupPage(const ListValue* args); 78 79 // Sets the startup page set to the current pages. Called from WebUI. 80 void SetStartupPagesToCurrentPages(const ListValue* args); 81 82 // Gets autocomplete suggestions asychronously for the given string. 83 // Called from WebUI. 84 void RequestAutocompleteSuggestions(const ListValue* args); 85 86 // Called when the 'Always show the bookmarks bar' checkbox is toggled. 87 // Notifies any listeners interested in this event. |args| is ignored. 88 void ToggleShowBookmarksBar(const ListValue* args); 89 90 // Returns the string ID for the given default browser state. 91 int StatusStringIdForState(ShellIntegration::DefaultBrowserState state); 92 93 // Gets the current default browser state, and asynchronously reports it to 94 // the WebUI page. 95 void UpdateDefaultBrowserState(); 96 97 // Updates the UI with the given state for the default browser. 98 void SetDefaultBrowserUIString(int status_string_id); 99 100 // Loads the current set of custom startup pages and reports it to the WebUI. 101 void UpdateStartupPages(); 102 103 // Loads the possible default search engine list and reports it to the WebUI. 104 void UpdateSearchEngines(); 105 106 // Writes the current set of startup pages to prefs. 107 void SaveStartupPagesPref(); 108 109 scoped_refptr<ShellIntegration::DefaultBrowserWorker> default_browser_worker_; 110 111 StringPrefMember homepage_; 112 BooleanPrefMember default_browser_policy_; 113 114 TemplateURLModel* template_url_model_; // Weak. 115 116 // TODO(stuartmorgan): Once there are no other clients of 117 // CustomHomePagesTableModel, consider changing it to something more like 118 // TemplateURLModel. 119 scoped_ptr<CustomHomePagesTableModel> startup_custom_pages_table_model_; 120 scoped_ptr<OptionsManagedBannerHandler> banner_handler_; 121 122 scoped_ptr<AutocompleteController> autocomplete_controller_; 123 124 DISALLOW_COPY_AND_ASSIGN(BrowserOptionsHandler); 125 }; 126 127 #endif // CHROME_BROWSER_UI_WEBUI_OPTIONS_BROWSER_OPTIONS_HANDLER_H_ 128