Unhide folded sections in wiki pages

java/org/chromium/distiller/webdocument/DomConverter.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 org.chromium.distiller.DomUtil;
 import org.chromium.distiller.DomWalker;
 import org.chromium.distiller.JavaScript;
 import org.chromium.distiller.LogUtil;
@@ skipping 94 matching lines @@
                 if (isHiddenClass || hasHiddenClassName) {
                     // See crbug.com/599121
                     keepAnyway = true;
                 }
             }
             if (isMobileFriendly) {
                 if (e.getAttribute("class").contains("continue")) {
                     // See crbug.com/687071
                     keepAnyway = true;
                 }
+                if (e.getAttribute("aria-expanded").equals("false")) {

[Olivier, 2017/03/04 09:26:51]

Is there a risk that this fix expands all popup menus?

[wychen, 2017/03/14 01:06:01]

Could be, but I'd expect menus to be removed down the pipeline.
I've run this through our dataset, and no changes in output.

+                    // Unhide folded elements, like folded sections on mobile Wikipedia.
+                    // See crbug.com/647667
+                    keepAnyway = true;
+                }
             }
         }
         logVisibilityInfo(e, visible || keepAnyway);
         if (!visible && !keepAnyway) {
             hiddenElements.add(e);
             return false;
         }
 
         // Node-type specific extractors check for elements they are interested in here. Everything
         // else will be filtered through the switch below.
@@ skipping 102 matching lines @@
         Element parent = e.getParentElement();
         LogUtil.logToConsole("TABLE: " + type +
                 ", id=" + e.getId() +
                 ", class=" + e.getAttribute("class") +
                 ", parent=[" + parent.getTagName() +
                 ", id=" + parent.getId() +
                 ", class=" + parent.getAttribute("class") +
                 "]");
     }
 }