GlassStateCallback typedef

@brief Callback for reporting glass state changes (brightness, volume, display mode, etc.)

See VITURE_CALLBACK_ID_* constants in viture_protocol_public.h for detailed id and values

@param glass_state_id Identifier for the state being reported. @param glass_value Integer value associated with the state.

Implementation

typedef GlassStateCallback =
    ffi.Pointer<ffi.NativeFunction<GlassStateCallbackFunction>>;