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_STARTUP_PAGES_HANDLER_H_ 6#define CHROME_BROWSER_UI_WEBUI_OPTIONS_STARTUP_PAGES_HANDLER_H_ 7 8#include "base/memory/ref_counted.h" 9#include "base/memory/scoped_ptr.h" 10#include "base/memory/weak_ptr.h" 11#include "base/prefs/pref_change_registrar.h" 12#include "base/prefs/pref_member.h" 13#include "chrome/browser/autocomplete/autocomplete_controller_delegate.h" 14#include "chrome/browser/ui/webui/options/options_ui.h" 15#include "ui/base/models/table_model_observer.h" 16 17class AutocompleteController; 18class CustomHomePagesTableModel; 19class TemplateURLService; 20 21namespace options { 22 23// Chrome browser options page UI handler. 24class StartupPagesHandler : public OptionsPageUIHandler, 25 public AutocompleteControllerDelegate, 26 public ui::TableModelObserver { 27 public: 28 StartupPagesHandler(); 29 virtual ~StartupPagesHandler(); 30 31 // OptionsPageUIHandler implementation. 32 virtual void GetLocalizedValues( 33 base::DictionaryValue* localized_strings) OVERRIDE; 34 virtual void InitializeHandler() OVERRIDE; 35 virtual void InitializePage() OVERRIDE; 36 virtual void RegisterMessages() OVERRIDE; 37 38 // AutocompleteControllerDelegate implementation. 39 virtual void OnResultChanged(bool default_match_changed) OVERRIDE; 40 41 // ui::TableModelObserver implementation. 42 virtual void OnModelChanged() OVERRIDE; 43 virtual void OnItemsChanged(int start, int length) OVERRIDE; 44 virtual void OnItemsAdded(int start, int length) OVERRIDE; 45 virtual void OnItemsRemoved(int start, int length) OVERRIDE; 46 47 private: 48 // Saves the changes that have been made. Called from WebUI. 49 void CommitChanges(const base::ListValue* args); 50 51 // Cancels the changes that have been made. Called from WebUI. 52 void CancelChanges(const base::ListValue* args); 53 54 // Removes the startup page at the given indexes. Called from WebUI. 55 void RemoveStartupPages(const base::ListValue* args); 56 57 // Adds a startup page with the given URL after the given index. 58 // Called from WebUI. 59 void AddStartupPage(const base::ListValue* args); 60 61 // Changes the startup page at the given index to the given URL. 62 // Called from WebUI. 63 void EditStartupPage(const base::ListValue* args); 64 65 // Sets the startup page set to the current pages. Called from WebUI. 66 void SetStartupPagesToCurrentPages(const base::ListValue* args); 67 68 // Writes the current set of startup pages to prefs. Called from WebUI. 69 void DragDropStartupPage(const base::ListValue* args); 70 71 // Gets autocomplete suggestions asychronously for the given string. 72 // Called from WebUI. 73 void RequestAutocompleteSuggestions(const base::ListValue* args); 74 75 // Loads the current set of custom startup pages and reports it to the WebUI. 76 void UpdateStartupPages(); 77 78 // Writes the current set of startup pages to prefs. 79 void SaveStartupPagesPref(); 80 81 scoped_ptr<AutocompleteController> autocomplete_controller_; 82 83 // Used to observe updates to the preference of the list of URLs to load 84 // on startup, which can be updated via sync. 85 PrefChangeRegistrar pref_change_registrar_; 86 87 // TODO(stuartmorgan): Once there are no other clients of 88 // CustomHomePagesTableModel, consider changing it to something more like 89 // TemplateURLService. 90 scoped_ptr<CustomHomePagesTableModel> startup_custom_pages_table_model_; 91 92 DISALLOW_COPY_AND_ASSIGN(StartupPagesHandler); 93}; 94 95} // namespace options 96 97#endif // CHROME_BROWSER_UI_WEBUI_OPTIONS_STARTUP_PAGES_HANDLER_H_ 98