src/java.desktop/unix/classes/sun/print/UnixPrintService.java

*** 29,38 ****
--- 29,40 ----
  import java.net.URI;
  import java.net.URISyntaxException;
  import java.util.ArrayList;
  import java.util.Locale;
  
+ import java.awt.GraphicsEnvironment;
+ import java.awt.Toolkit;
  import javax.print.DocFlavor;
  import javax.print.DocPrintJob;
  import javax.print.PrintService;
  import javax.print.ServiceUIFactory;
  import javax.print.attribute.Attribute;
*** 52,61 ****
--- 54,65 ----
  import javax.print.attribute.standard.Chromaticity;
  import javax.print.attribute.standard.ColorSupported;
  import javax.print.attribute.standard.Copies;
  import javax.print.attribute.standard.CopiesSupported;
  import javax.print.attribute.standard.Destination;
+ import javax.print.attribute.standard.DialogOwner;
+ import javax.print.attribute.standard.DialogTypeSelection;
  import javax.print.attribute.standard.Fidelity;
  import javax.print.attribute.standard.Media;
  import javax.print.attribute.standard.MediaPrintableArea;
  import javax.print.attribute.standard.MediaSize;
  import javax.print.attribute.standard.MediaSizeName;
*** 617,630 ****
          }
          return false;
      }
  
      public Class<?>[] getSupportedAttributeCategories() {
!         int totalCats = otherAttrCats.length;
!         Class<?>[] cats = new Class<?>[totalCats];
!         System.arraycopy(otherAttrCats, 0, cats, 0, otherAttrCats.length);
!         return cats;
      }
  
      public boolean
          isAttributeCategorySupported(Class<? extends Attribute> category)
      {
--- 621,639 ----
          }
          return false;
      }
  
      public Class<?>[] getSupportedAttributeCategories() {
!         ArrayList<Class<?>> categList = new ArrayList<>(otherAttrCats.length);
!         for (Class<?> c : otherAttrCats) {
!             categList.add(c);
!         }
!         if (GraphicsEnvironment.isHeadless() == false) {
!             categList.add(DialogOwner.class);
!             categList.add(DialogTypeSelection.class);
!         }
!         return categList.toArray(new Class<?>[categList.size()]);
      }
  
      public boolean
          isAttributeCategorySupported(Class<? extends Attribute> category)
      {
*** 1021,1030 ****
--- 1030,1057 ----
              if (flavor != null &&
                  !(flavor.equals(DocFlavor.SERVICE_FORMATTED.PAGEABLE) ||
                  flavor.equals(DocFlavor.SERVICE_FORMATTED.PRINTABLE))) {
                  return false;
              }
+         } else if (attr.getCategory() == DialogOwner.class) {
+             DialogOwner owner = (DialogOwner)attr;
+             // ID not supported on any dialog type on Unix platforms.
+             if (owner.getID() != 0) {
+                 return false;
+             }
+             // UnixPrintService is not used on Mac, so this is
+             // always some Unix system that does not have CUPS/IPP
+             // Which means we always use a Swing dialog and we need
+             // only check if alwaysOnTop is supported by the toolkit.
+             if (owner.getOwner() != null) {
+                 return true;
+             } else {
+                 return Toolkit.getDefaultToolkit().isAlwaysOnTopSupported();
+             }
+         } else if (attr.getCategory() == DialogTypeSelection.class) {
+             DialogTypeSelection dts = (DialogTypeSelection)attr;
+             return dts == DialogTypeSelection.COMMON;
          }
          return true;
      }
  
      public AttributeSet getUnsupportedAttributes(DocFlavor flavor,