1 /*
   2  * Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package com.sun.javafx.scene.web;
  27 
  28 import com.sun.javafx.geom.BaseBounds;
  29 import com.sun.javafx.geom.transform.BaseTransform;
  30 import com.sun.javafx.sg.prism.NGNode;
  31 import com.sun.prism.Graphics;
  32 import com.sun.webkit.WebPage;
  33 import com.sun.webkit.graphics.WCGraphicsContext;
  34 import com.sun.webkit.graphics.WCGraphicsManager;
  35 import javafx.scene.Node;
  36 
  37 public final class Printable extends Node {
  38     static {
  39         PrintableHelper.setPrintableAccessor(new PrintableHelper.PrintableAccessor() {
  40             @Override
  41             public NGNode doCreatePeer(Node node) {
  42                 return ((Printable) node).doCreatePeer();
  43             }
  44 
  45             @Override
  46             public BaseBounds doComputeGeomBounds(Node node,
  47                     BaseBounds bounds, BaseTransform tx) {
  48                 return ((Printable) node).doComputeGeomBounds(bounds, tx);
  49             }
  50 
  51             @Override
  52             public boolean doComputeContains(Node node, double localX, double localY) {
  53                 return ((Printable) node).doComputeContains(localX, localY);
  54             }
  55         });
  56     }
  57 
  58     private final WebPage page;
  59     private final NGNode peer;
  60 
  61     public Printable(WebPage page, int pageIndex, float width) {
  62         this.page = page;
  63         peer = new Peer(pageIndex, width);
  64         PrintableHelper.initHelper(this);
  65     }
  66 
  67     private NGNode doCreatePeer() {
  68         return peer;
  69     }
  70 
  71     /*
  72      * Note: This method MUST only be called via its accessor method.
  73      */
  74     private BaseBounds doComputeGeomBounds(BaseBounds bounds, BaseTransform tx) {
  75         return bounds;
  76     }
  77 
  78     /*
  79      * Note: This method MUST only be called via its accessor method.
  80      */
  81     private boolean doComputeContains(double d, double d1) {
  82         return false;
  83     }
  84 
  85     private final class Peer extends NGNode {
  86         private final int pageIndex;
  87         private final float width;
  88 
  89         Peer(int pageIndex, float width) {
  90             this.pageIndex = pageIndex;
  91             this.width = width;
  92         }
  93 
  94         @Override protected void renderContent(Graphics g) {
  95             WCGraphicsContext gc = WCGraphicsManager.getGraphicsManager().
  96                     createGraphicsContext(g);
  97             page.print(gc, pageIndex, width);
  98         }
  99 
 100         @Override protected boolean hasOverlappingContents() {
 101             return false;
 102         }
 103     }
 104 }