DisplayEvents

//
// Copyright (c) 2021 - 2022 Advanced Micro Devices, Inc. All rights reserved.
//
//-------------------------------------------------------------------------------------------------

import out.*;

public class mainDisplayEvents {

    // load ADLXJavaBind.dll
    static {
        try {
            System.loadLibrary("ADLXJavaBind");
        } catch (UnsatisfiedLinkError e) {
          System.err.println("Native code library failed to load. See the chapter on Dynamic Linking Problems in the SWIG Java documentation for help.\n" + e);
          System.exit(1);
        }
      }

    // Get displaylistchanged
    public static void main(String[] args) {

      // Initialize ADLX with ADLXHelper
      ADLXHelper help = new ADLXHelper();
      ADLX_RESULT  res = help.Initialize();

      if (res == ADLX_RESULT .ADLX_OK) {

        // Get system services
        IADLXSystem sys = help.GetSystemServices();

        // Get display services
        SWIGTYPE_p_p_adlx__IADLXDisplayServices s = ADLX.new_displaySerP_Ptr();
        res = sys.GetDisplaysServices(s);
        IADLXDisplayServices displayService = ADLX.displaySerP_Ptr_value(s);

        // Get display changed handling
        SWIGTYPE_p_p_adlx__IADLXDisplayChangedHandling ppDisChangeHand = ADLX.new_displayChangeHandlP_Ptr();
        displayService.GetDisplayChangedHandling(ppDisChangeHand);
        IADLXDisplayChangedHandling hand = ADLX.displayChangeHandlP_Ptr_value(ppDisChangeHand);

        // Call back for dislaylistchanged
        DisplayListCallBack call = new DisplayListCallBack();
        hand.AddDisplayListEventListener(call);
        System.out.println("\n\n Plug or unplug a display within 20 seconds.\n");
        try {
          Thread.currentThread().sleep(20000);
        } catch (Exception e) {
          // Exception handling
        }
        hand.RemoveDisplayListEventListener(call);

        // Release display changed handling interface
        hand.Release();

        // Release display services interface
        displayService.Release();
      } else {
        System.out.printf("ADLX helper initialize result: %s\n", res.toString());
      }

      // ADLX Terminate
      res = help.Terminate();
      System.out.printf("ADLX Terminate: %s\n", res.toString());
    }
}