Boolean properties for Accessibility Object Model Phase 1

third_party/WebKit/Source/modules/accessibility/AXObjectCacheImpl.cpp

 /*
  * Copyright (C) 2014, Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 12 matching lines @@
  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "modules/accessibility/AXObjectCacheImpl.h"
 
 #include "core/HTMLNames.h"
 #include "core/InputTypeNames.h"
+#include "core/dom/AccessibleNode.h"
 #include "core/dom/Document.h"
 #include "core/dom/TaskRunnerHelper.h"
 #include "core/editing/EditingUtilities.h"
 #include "core/frame/FrameView.h"
 #include "core/frame/LocalFrame.h"
 #include "core/frame/Settings.h"
 #include "core/html/HTMLAreaElement.h"
 #include "core/html/HTMLCanvasElement.h"
 #include "core/html/HTMLImageElement.h"
 #include "core/html/HTMLInputElement.h"
@@ skipping 1040 matching lines @@
   return axObject && axObject->isTextControl();
 }
 
 bool isNodeAriaVisible(Node* node) {
   if (!node)
     return false;
 
   if (!node->isElementNode())
     return false;
 
-  return equalIgnoringASCIICase(toElement(node)->getAttribute(aria_hiddenAttr),
-                                "false");
+  bool isNull = true;
+  bool hidden = AccessibleNode::getProperty(
+      toElement(node), AOMBooleanProperty::kHidden, isNull);
+  return !isNull && !hidden;
 }
 
 void AXObjectCacheImpl::postPlatformNotification(AXObject* obj,
                                                  AXNotification notification) {
   if (!obj || !obj->getDocument() || !obj->documentFrameView() ||
       !obj->documentFrameView()->frame().page())
     return;
 
   ChromeClient& client =
       obj->getDocument()->axObjectCacheOwner().page()->chromeClient();
@@ skipping 138 matching lines @@
   visitor->trace(m_document);
   visitor->trace(m_nodeObjectMapping);
 
   visitor->trace(m_objects);
   visitor->trace(m_notificationsToPost);
 
   AXObjectCache::trace(visitor);
 }
 
 }  // namespace blink