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// Copyright 2016 The Chromium Authors
// 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_SETTINGS_SEARCH_ENGINES_HANDLER_H_
#define CHROME_BROWSER_UI_WEBUI_SETTINGS_SEARCH_ENGINES_HANDLER_H_
#include <memory>
#include <string>
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "chrome/browser/ui/search_engines/edit_search_engine_controller.h"
#include "chrome/browser/ui/search_engines/keyword_editor_controller.h"
#include "chrome/browser/ui/webui/settings/settings_page_ui_handler.h"
#include "components/prefs/pref_change_registrar.h"
#include "ui/base/models/table_model_observer.h"
class Profile;
namespace settings {
class SearchEnginesHandler : public SettingsPageUIHandler,
public ui::TableModelObserver,
public EditSearchEngineControllerDelegate {
public:
explicit SearchEnginesHandler(Profile* profile);
SearchEnginesHandler(const SearchEnginesHandler&) = delete;
SearchEnginesHandler& operator=(const SearchEnginesHandler&) = delete;
~SearchEnginesHandler() override;
// ui::TableModelObserver implementation.
void OnModelChanged() override;
void OnItemsChanged(size_t start, size_t length) override;
void OnItemsAdded(size_t start, size_t length) override;
void OnItemsRemoved(size_t start, size_t length) override;
// EditSearchEngineControllerDelegate implementation.
void OnEditedKeyword(TemplateURL* template_url,
const std::u16string& title,
const std::u16string& keyword,
const std::string& url) override;
// SettingsPageUIHandler implementation.
void RegisterMessages() override;
void OnJavascriptAllowed() override;
void OnJavascriptDisallowed() override;
private:
friend class SearchEnginesHandlerTest;
// Retrieves all search engines and returns them to WebUI.
void HandleGetSearchEnginesList(const base::Value::List& args);
base::Value::Dict GetSearchEnginesList();
// Returns whether the search engine choice should be saved in guest mode
// Returns null if the profile is not eligible for guest choice saving.
// Called from WebUI.
void HandleGetSaveGuestChoice(const base::Value::List& args);
// Removes the search engine at the given index. Called from WebUI.
void HandleRemoveSearchEngine(const base::Value::List& args);
// Sets the search engine at the given index to be default. Called from WebUI.
void HandleSetDefaultSearchEngine(const base::Value::List& args);
// Activates or deactivates the search engine at the given index. Called from
// WebUI.
void HandleSetIsActiveSearchEngine(const base::Value::List& args);
// Starts an edit session for the search engine at the given index. If the
// index is -1, starts editing a new search engine instead of an existing one.
// Called from WebUI.
void HandleSearchEngineEditStarted(const base::Value::List& args);
// Validates the given search engine values, and reports the results back
// to WebUI. Called from WebUI.
void HandleValidateSearchEngineInput(const base::Value::List& args);
// Checks whether the given user input field (searchEngine, keyword, queryUrl)
// is populated with a valid value.
bool CheckFieldValidity(const std::string& field_name,
const std::string& field_value);
// Called when an edit is canceled.
// Called from WebUI.
void HandleSearchEngineEditCancelled(const base::Value::List& args);
// Called when an edit is finished and should be saved.
// Called from WebUI.
void HandleSearchEngineEditCompleted(const base::Value::List& args);
#if BUILDFLAG(IS_CHROMEOS)
// Request the browser to open its search settings.
void HandleOpenBrowserSearchSettings(const base::Value::List& args);
#endif
// Returns a dictionary to pass to WebUI representing the given search engine.
base::Value::Dict CreateDictionaryForEngine(size_t index, bool is_default);
const raw_ptr<Profile> profile_;
KeywordEditorController list_controller_;
std::unique_ptr<EditSearchEngineController> edit_controller_;
PrefChangeRegistrar pref_change_registrar_;
base::WeakPtrFactory<SearchEnginesHandler> weak_ptr_factory_{this};
};
} // namespace settings
#endif // CHROME_BROWSER_UI_WEBUI_SETTINGS_SEARCH_ENGINES_HANDLER_H_
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