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 1049 matching lines @@
   return ax_object && ax_object->IsTextControl();
 }
 
 bool IsNodeAriaVisible(Node* node) {
   if (!node)
     return false;
 
   if (!node->IsElementNode())
     return false;
 
-  return EqualIgnoringASCIICase(ToElement(node)->getAttribute(aria_hiddenAttr),
-                                "false");
+  bool is_null = true;
+  bool hidden = AccessibleNode::GetPropertyOrARIAAttribute(
+      ToElement(node), AOMBooleanProperty::kHidden, is_null);
+  return !is_null && !hidden;
 }
 
 void AXObjectCacheImpl::PostPlatformNotification(AXObjectImpl* obj,
                                                  AXNotification notification) {
   if (!obj || !obj->GetDocument() || !obj->DocumentFrameView() ||
       !obj->DocumentFrameView()->GetFrame().GetPage())
     return;
 
   ChromeClient& client =
       obj->GetDocument()->AxObjectCacheOwner().GetPage()->GetChromeClient();
@@ skipping 140 matching lines @@
   visitor->Trace(document_);
   visitor->Trace(node_object_mapping_);
 
   visitor->Trace(objects_);
   visitor->Trace(notifications_to_post_);
 
   AXObjectCache::Trace(visitor);
 }
 
 }  // namespace blink