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// 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_OPTIONS_STARTUP_PAGES_HANDLER_H_
#define CHROME_BROWSER_UI_WEBUI_OPTIONS_STARTUP_PAGES_HANDLER_H_
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/prefs/pref_change_registrar.h"
#include "base/prefs/pref_member.h"
#include "chrome/browser/autocomplete/autocomplete_controller_delegate.h"
#include "chrome/browser/ui/webui/options/options_ui.h"
#include "ui/base/models/table_model_observer.h"
class AutocompleteController;
class CustomHomePagesTableModel;
class TemplateURLService;
namespace options {
// Chrome browser options page UI handler.
class StartupPagesHandler : public OptionsPageUIHandler,
public AutocompleteControllerDelegate,
public ui::TableModelObserver {
public:
StartupPagesHandler();
~StartupPagesHandler() override;
// OptionsPageUIHandler implementation.
void GetLocalizedValues(base::DictionaryValue* localized_strings) override;
void InitializeHandler() override;
void InitializePage() override;
void RegisterMessages() override;
// AutocompleteControllerDelegate implementation.
void OnResultChanged(bool default_match_changed) override;
// ui::TableModelObserver implementation.
void OnModelChanged() override;
void OnItemsChanged(int start, int length) override;
void OnItemsAdded(int start, int length) override;
void OnItemsRemoved(int start, int length) override;
private:
// Saves the changes that have been made. Called from WebUI.
void CommitChanges(const base::ListValue* args);
// Cancels the changes that have been made. Called from WebUI.
void CancelChanges(const base::ListValue* args);
// Removes the startup page at the given indexes. Called from WebUI.
void RemoveStartupPages(const base::ListValue* args);
// Adds a startup page with the given URL after the given index.
// Called from WebUI.
void AddStartupPage(const base::ListValue* args);
// Changes the startup page at the given index to the given URL.
// Called from WebUI.
void EditStartupPage(const base::ListValue* args);
// Sets the startup page set to the current pages. Called from WebUI.
void SetStartupPagesToCurrentPages(const base::ListValue* args);
// Writes the current set of startup pages to prefs. Called from WebUI.
void DragDropStartupPage(const base::ListValue* args);
// Gets autocomplete suggestions asychronously for the given string.
// Called from WebUI.
void RequestAutocompleteSuggestions(const base::ListValue* args);
// Loads the current set of custom startup pages and reports it to the WebUI.
void UpdateStartupPages();
// Writes the current set of startup pages to prefs.
void SaveStartupPagesPref();
scoped_ptr<AutocompleteController> autocomplete_controller_;
// Used to observe updates to the preference of the list of URLs to load
// on startup, which can be updated via sync.
PrefChangeRegistrar pref_change_registrar_;
// TODO(stuartmorgan): Once there are no other clients of
// CustomHomePagesTableModel, consider changing it to something more like
// TemplateURLService.
scoped_ptr<CustomHomePagesTableModel> startup_custom_pages_table_model_;
DISALLOW_COPY_AND_ASSIGN(StartupPagesHandler);
};
} // namespace options
#endif // CHROME_BROWSER_UI_WEBUI_OPTIONS_STARTUP_PAGES_HANDLER_H_
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