| // Copyright (c) 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_CHROMEOS_POWER_SUSPEND_OBSERVER_H_ |
| #define CHROME_BROWSER_CHROMEOS_POWER_SUSPEND_OBSERVER_H_ |
| |
| #include "base/basictypes.h" |
| #include "base/callback.h" |
| #include "base/compiler_specific.h" |
| #include "chromeos/dbus/power_manager_client.h" |
| #include "chromeos/dbus/session_manager_client.h" |
| |
| namespace chromeos { |
| |
| // A class to observe suspend events. |
| class SuspendObserver : public PowerManagerClient::Observer, |
| public SessionManagerClient::Observer { |
| public: |
| // This class registers/unregisters itself as an observer in ctor/dtor. |
| SuspendObserver(); |
| virtual ~SuspendObserver(); |
| |
| // PowerManagerClient::Observer override. |
| virtual void SuspendImminent() OVERRIDE; |
| |
| // SessionManagerClient::Observer overrides. |
| virtual void ScreenIsLocked() OVERRIDE; |
| virtual void ScreenIsUnlocked() OVERRIDE; |
| |
| private: |
| PowerManagerClient* power_client_; // not owned |
| SessionManagerClient* session_client_; // not owned |
| |
| // Is the screen currently locked? |
| bool screen_locked_; |
| |
| // If set, called when the lock screen has been shown to confirm that the |
| // system is ready to be suspended. |
| base::Closure screen_lock_callback_; |
| |
| DISALLOW_COPY_AND_ASSIGN(SuspendObserver); |
| }; |
| |
| } // namespace chromeos |
| |
| #endif // CHROME_BROWSER_CHROMEOS_POWER_SUSPEND_OBSERVER_H_ |