Defines an interface through which the Handler notifies subscribers about detected changes in his state. More...
Public Member Functions | |
virtual void | onStateChanged (Handler &handler, HandlerState::Enum oldState, HandlerState::Enum newState) |
Implement this member to get notifications about handler state change. | |
Protected Member Functions | |
virtual | ~IHandlerStateListener () |
Disables public delete operator in the interface class. |
Defines an interface through which the Handler notifies subscribers about detected changes in his state.