| // 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_CHROMEOS_POWER_POWER_BUTTON_OBSERVER_H_ |
| #define CHROME_BROWSER_CHROMEOS_POWER_POWER_BUTTON_OBSERVER_H_ |
| |
| #include "base/basictypes.h" |
| #include "base/compiler_specific.h" |
| #include "chromeos/dbus/power_manager_client.h" |
| #include "chromeos/dbus/session_manager_client.h" |
| #include "content/public/browser/notification_observer.h" |
| #include "content/public/browser/notification_registrar.h" |
| |
| namespace chromeos { |
| |
| // Listens for power button, login, and screen lock events and passes them to |
| // the Aura shell's PowerButtonController class. |
| class PowerButtonObserver : public content::NotificationObserver, |
| public PowerManagerClient::Observer, |
| public SessionManagerClient::Observer { |
| public: |
| // This class registers/unregisters itself as an observer in ctor/dtor. |
| PowerButtonObserver(); |
| virtual ~PowerButtonObserver(); |
| |
| private: |
| // content::NotificationObserver implementation: |
| virtual void Observe(int type, |
| const content::NotificationSource& source, |
| const content::NotificationDetails& details) override; |
| |
| // PowerManagerObserver implementation: |
| virtual void PowerButtonEventReceived( |
| bool down, const base::TimeTicks& timestamp) override; |
| |
| content::NotificationRegistrar registrar_; |
| |
| DISALLOW_COPY_AND_ASSIGN(PowerButtonObserver); |
| }; |
| |
| } // namespace chromeos |
| |
| #endif // CHROME_BROWSER_CHROMEOS_POWER_POWER_BUTTON_OBSERVER_H_ |