Ive found the following code to detect inactivity;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import com.sun.jna.*;
import com.sun.jna.win32.*;
import java.util.List;
/**
* Utility method to retrieve the idle time on Windows and sample code to test it.
* JNA shall be present in your classpath for this to work (and compile).
* @author ochafik
*/
public class Win32IdleTime {
public interface Kernel32 extends StdCallLibrary {
Kernel32 INSTANCE = (Kernel32) Native.loadLibrary("kernel32", Kernel32.class);
/**
* Retrieves the number of milliseconds that have elapsed since the system was started.
* @see http://msdn2.microsoft.com/en-us/library/ms724408.aspx
* @return number of milliseconds that have elapsed since the system was started.
*/
public int GetTickCount();
};
public interface User32 extends StdCallLibrary {
User32 INSTANCE = (User32) Native.loadLibrary("user32", User32.class);
/**
* Contains the time of the last input.
* @see http://msdn.microsoft.com/library/default.asp?url=/library/en-us/winui/winui/windowsuserinterface/userinput/keyboardinput/keyboardinputreference/keyboardinputstructures/lastinputinfo.asp
*/
public static class LASTINPUTINFO extends Structure {
public int cbSize = 8;
/// Tick count of when the last input event was received.
public int dwTime;
@
Override
protected List getFieldOrder() {
throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
}
}
/**
* Retrieves the time of the last input event.
* @see http://msdn.microsoft.com/library/default.asp?url=/library/en-us/winui/winui/windowsuserinterface/userinput/keyboardinput/keyboardinputreference/keyboardinputfunctions/getlastinputinfo.asp
* @return time of the last input event, in milliseconds
*/
public boolean GetLastInputInfo(LASTINPUTINFO result);
};
/**
* Get the amount of milliseconds that have elapsed since the last input event
* (mouse or keyboard)
* @return idle time in milliseconds
*/
public static int getIdleTimeMillisWin32() {
User32.LASTINPUTINFO lastInputInfo = new User32.LASTINPUTINFO();
User32.INSTANCE.GetLastInputInfo(lastInputInfo);
return Kernel32.INSTANCE.GetTickCount() - lastInputInfo.dwTime;
}
enum State {
UNKNOWN, ONLINE, IDLE, AWAY
};
public static void main(String[] args) {
if (!System.getProperty("os.name").contains("Windows")) {
System.err.println("ERROR: Only implemented on Windows");
System.exit(1);
}
State state = State.UNKNOWN;
DateFormat dateFormat = new SimpleDateFormat("EEE, d MMM yyyy HH:mm:ss");
for (;;) {
int idleSec = getIdleTimeMillisWin32() / 1000;
State newState =
idleSec < 30 ? State.ONLINE :
idleSec > 5 * 60 ? State.AWAY : State.IDLE;
if (newState != state) {
state = newState;
System.out.println(dateFormat.format(new Date()) + " # " + state);
}
try {
Thread.sleep(1000);
} catch (Exception ex) {}
}
}
}
But for some reason i am getting the following error:
java.lang.UnsupportedOperationException: Not supported yet.
Any ideas what could be done to solve this?