18 #ifndef CORE_UBUNTU_MEDIA_POWER_STATE_OBSERVER_H_
19 #define CORE_UBUNTU_MEDIA_POWER_STATE_OBSERVER_H_
23 #include <core/property.h>
49 typedef std::shared_ptr<BatteryObserver>
Ptr;
56 virtual const core::Property<Level>&
level()
const = 0;
69 #endif // CORE_UBUNTU_MEDIA_POWER_STATE_OBSERVER_H_