// Copyright 2020 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_ASH_SETTINGS_PAGES_A11Y_SWITCH_ACCESS_HANDLER_H_
#define CHROME_BROWSER_UI_WEBUI_ASH_SETTINGS_PAGES_A11Y_SWITCH_ACCESS_HANDLER_H_
#include "base/functional/callback_helpers.h"
#include "base/memory/raw_ptr.h"
#include "chrome/browser/ui/webui/settings/settings_page_ui_handler.h"
#include "components/prefs/pref_change_registrar.h"
#include "ui/events/event_handler.h"
class PrefService;
namespace ash::settings {
// Settings handler for the switch access subpage.
class SwitchAccessHandler : public ::settings::SettingsPageUIHandler,
public ui::EventHandler {
public:
explicit SwitchAccessHandler(PrefService* prefs);
~SwitchAccessHandler() override;
// SettingsPageUIHandler implementation.
void RegisterMessages() override;
void OnJavascriptAllowed() override;
void OnJavascriptDisallowed() override;
// ui::EventHandler overrides.
void OnKeyEvent(ui::KeyEvent* event) override;
protected:
base::OnceClosure on_pre_target_handler_added_for_testing_ =
base::DoNothing();
bool skip_pre_target_handler_for_testing_ = false;
private:
friend class SwitchAccessHandlerTest;
void AddPreTargetHandler();
void HandleRefreshAssignmentsFromPrefs(const base::Value::List& args);
void HandleNotifySwitchAccessActionAssignmentPaneActive(
const base::Value::List& args);
void HandleNotifySwitchAccessActionAssignmentPaneInactive(
const base::Value::List& args);
void OnSwitchAccessAssignmentsUpdated();
std::unique_ptr<PrefChangeRegistrar> pref_change_registrar_;
raw_ptr<PrefService> prefs_;
bool action_assignment_pane_active_ = false;
};
} // namespace ash::settings
#endif // CHROME_BROWSER_UI_WEBUI_ASH_SETTINGS_PAGES_A11Y_SWITCH_ACCESS_HANDLER_H_