// Copyright 2013 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_CHROMEOS_LOGIN_KIOSK_AUTOLAUNCH_SCREEN_HANDLER_H_
#define CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_KIOSK_AUTOLAUNCH_SCREEN_HANDLER_H_

#include "base/compiler_specific.h"
#include "chrome/browser/chromeos/app_mode/kiosk_app_manager_observer.h"
#include "chrome/browser/chromeos/login/screens/kiosk_autolaunch_screen_actor.h"
#include "chrome/browser/ui/webui/chromeos/login/base_screen_handler.h"
#include "content/public/browser/web_ui.h"

namespace chromeos {

// WebUI implementation of KioskAutolaunchScreenActor.
class KioskAutolaunchScreenHandler : public KioskAutolaunchScreenActor,
                                     public KioskAppManagerObserver,
                                     public BaseScreenHandler {
 public:
  KioskAutolaunchScreenHandler();
  virtual ~KioskAutolaunchScreenHandler();

  // KioskAutolaunchScreenActor implementation:
  virtual void Show() OVERRIDE;
  virtual void SetDelegate(Delegate* delegate) OVERRIDE;

  // KioskAppManagerObserver overrides:
  virtual void OnKioskAppsSettingsChanged() OVERRIDE;
  virtual void OnKioskAppDataChanged(const std::string& app_id) OVERRIDE;

  // BaseScreenHandler implementation:
  virtual void DeclareLocalizedValues(LocalizedValuesBuilder* builder) OVERRIDE;
  virtual void Initialize() OVERRIDE;

  // WebUIMessageHandler implementation:
  virtual void RegisterMessages() OVERRIDE;

 private:
  // Updates auto-start UI assets on JS side.
  void UpdateKioskApp();

  // JS messages handlers.
  void HandleOnCancel();
  void HandleOnConfirm();
  void HandleOnVisible();

  Delegate* delegate_;

  // Keeps whether screen should be shown right after initialization.
  bool show_on_init_;
  bool is_visible_;

  DISALLOW_COPY_AND_ASSIGN(KioskAutolaunchScreenHandler);
};

}  // namespace chromeos

#endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_KIOSK_AUTOLAUNCH_SCREEN_HANDLER_H_