chrome/browser/chromeos/power/screen_lock_observer.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_CHROMEOS_POWER_SCREEN_LOCK_OBSERVER_H_
   6 #define CHROME_BROWSER_CHROMEOS_POWER_SCREEN_LOCK_OBSERVER_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/compiler_specific.h"
  10 #include "chromeos/dbus/session_manager_client.h"
  11
  12 namespace chromeos {
  13
  14 // A class to observe screen lock events and dispatch onScreenUnlocked extension
  15 // API events.
  16 class ScreenLockObserver : public SessionManagerClient::Observer {
  17  public:
  18   // This class registers/unregisters itself as an observer in ctor/dtor.
  19   ScreenLockObserver();
  20   virtual ~ScreenLockObserver();
  21
  22   // SessionManagerClient::Observer override.
  23   virtual void UnlockScreen() OVERRIDE;
  24  private:
  25   DISALLOW_COPY_AND_ASSIGN(ScreenLockObserver);
  26 };
  27
  28 }  // namespace chromeos
  29
  30 #endif  // CHROME_BROWSER_CHROMEOS_POWER_SCREEN_LOCK_OBSERVER_H_