Extends BlockViewportArea.

Unused single argument constructor removed.
clone() removed


git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/branches/FOP_0-20-0_Alt-Design@197813 13f79535-47bb-0310-9956-ffa450edef68

src/java/org/apache/fop/area/PageViewport.java

@@ -30,21 +30,9 @@ import org.apache.fop.fo.flow.FoPageSequence;
  * The page reference area is then rendered inside the PageRefArea object
  */
 public class PageViewport
-extends AbstractViewport
+extends BlockViewportArea
 implements Viewport {
 
-    /**
-     * Creates a page viewport at the root of a tree, synchronized on itself,
-     * with a null page reference area and rectangular area
-     * @param pageSeq the page-sequence which generated this area
-     * the page-sequence
-     */
-    public PageViewport(
-            FoPageSequence pageSeq) {
-        // The pageSeq is also the generating node
-        super(pageSeq, pageSeq);
-    }
-
     /**
      * Creates a page viewport with a null page ref area and rectangular area,
      * and the given parent node and sync object
@@ -98,24 +86,6 @@ implements Viewport {
         return null;
     }
 
-    /**
-     * Clone this page.
-     * Used by the page master to create a copy of an original page.
-     * @return a copy of this page and associated viewports
-     */
-    public Object clone() {
-        synchronized (sync) {
-            PageViewport pv;
-            try {
-                pv = (PageViewport)(super.clone());
-            } catch (CloneNotSupportedException e) {
-                throw new RuntimeException(e);
-            }
-            pv.refArea = (PageRefArea)(refArea.clone());
-            return pv;
-        }
-    }
-
     /**
      * Clear the pageRefArea contents to save memory.
      * This object is kept for the life of the area tree since