Handle lists more appropriately

java/org/chromium/distiller/webdocument/WebList.java

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package org.chromium.distiller.webdocument;
+
+import com.google.gwt.dom.client.Element;
+import com.google.gwt.dom.client.Node;
+import org.chromium.distiller.DomUtil;
+import org.chromium.distiller.DomWalker;
+
+import java.util.List;
+
+public class WebList extends WebElement {
+    private Element tableElement;
+
+    public enum Section{START, CONTENT, END};
+    private String tagName;
+    private Section mySection;
+
+    /**
+     * Create a WebList section that denotes the start/content/end section of the list.
+     * @param s The section of the list being built.
+     */
+    public WebList(Section s) {
+        mySection = s;
+    }
+
+    //@Override
+    public String generateOutput(boolean textOnly) {
+        switch (mySection) {
+            case START:
+                return textOnly?"":"<" + tagName + ">";
+            case END:
+                return textOnly?"":"</" + tagName + ">";
+            case CONTENT:
+                break;
+        }
+        return "";
+    }
+
+    public void addOutputNodes(final List<Node> nodes, boolean includeTitle) {
+        new DomWalker(new DomWalker.Visitor() {
+            @Override
+            public boolean visit(Node n) {
+                switch (n.getNodeType()) {
+                    case Node.TEXT_NODE:
+                        nodes.add(n);
+                        return false;
+                    case Node.ELEMENT_NODE:
+                        if (!DomUtil.isVisible(Element.as(n))) return false;
+                        nodes.add(n);
+                        return true;
+                    case Node.DOCUMENT_NODE:
+                    default:
+                        return false;
+                }
+            }
+
+            @Override
+            public void exit(Node n) {
+            }
+
+            @Override
+            public void skip(Element e) {
+            }
+        }).walk(tableElement);
+    }
+}