1 /*
   2  * Copyright (c) 2016, 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.jmx.MXNodeAlgorithm;
  31 import com.sun.javafx.jmx.MXNodeAlgorithmContext;
  32 import com.sun.javafx.sg.prism.NGNode;
  33 import com.sun.prism.Graphics;
  34 import com.sun.webkit.WebPage;
  35 import com.sun.webkit.graphics.WCGraphicsContext;
  36 import com.sun.webkit.graphics.WCGraphicsManager;
  37 import javafx.scene.Node;
  38 
  39 public final class Printable extends Node {
  40     static {
  41         PrintableHelper.setPrintableAccessor(new PrintableHelper.PrintableAccessor() {
  42             @Override
  43             public NGNode doCreatePeer(Node node) {
  44                 return ((Printable) node).doCreatePeer();
  45             }
  46 
  47             @Override
  48             public BaseBounds doComputeGeomBounds(Node node,
  49             BaseBounds bounds, BaseTransform tx) {
  50                 return ((Printable) node).doComputeGeomBounds(bounds, tx);
  51             }
  52 
  53             @Override
  54             public boolean doComputeContains(Node node, double localX, double localY) {
  55                 return ((Printable) node).doComputeContains(localX, localY);
  56             }
  57 
  58             @Override
  59             public Object doProcessMXNode(Node node, MXNodeAlgorithm alg, MXNodeAlgorithmContext ctx) {
  60                 return ((Printable) node).doProcessMXNode(alg, ctx);
  61             }
  62         });
  63     }
  64 
  65     private final WebPage page;
  66     private final NGNode peer;
  67 
  68     public Printable(WebPage page, int pageIndex, float width) {
  69         this.page = page;
  70         peer = new Peer(pageIndex, width);
  71         PrintableHelper.initHelper(this);
  72     }
  73 
  74     private NGNode doCreatePeer() {
  75         return peer;
  76     }
  77 
  78     /*
  79      * Note: This method MUST only be called via its accessor method.
  80      */
  81     private Object doProcessMXNode(MXNodeAlgorithm alg, MXNodeAlgorithmContext ctx) {
  82         return null;
  83     }
  84 
  85     /*
  86      * Note: This method MUST only be called via its accessor method.
  87      */
  88     private BaseBounds doComputeGeomBounds(BaseBounds bounds, BaseTransform tx) {
  89         return bounds;
  90     }
  91 
  92     /*
  93      * Note: This method MUST only be called via its accessor method.
  94      */
  95     private boolean doComputeContains(double d, double d1) {
  96         return false;
  97     }
  98 
  99     private final class Peer extends NGNode {
 100         private final int pageIndex;
 101         private final float width;
 102 
 103         Peer(int pageIndex, float width) {
 104             this.pageIndex = pageIndex;
 105             this.width = width;
 106         }
 107 
 108         @Override protected void renderContent(Graphics g) {
 109             WCGraphicsContext gc = WCGraphicsManager.getGraphicsManager().
 110                     createGraphicsContext(g);
 111             page.print(gc, pageIndex, width);
 112         }
 113 
 114         @Override protected boolean hasOverlappingContents() {
 115             return false;
 116         }
 117     }
 118 }