Check whether aria-expanded attribute is defined

Source/core/accessibility/AXNodeObject.h

 /*
  * Copyright (C) 2012, 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 95 matching lines @@
     virtual bool isNativeTextControl() const override final;
     virtual bool isNonNativeTextControl() const override final;
     virtual bool isPasswordField() const override final;
     virtual bool isProgressIndicator() const override;
     virtual bool isSlider() const override;
 
     // Check object state.
     virtual bool isChecked() const override final;
     virtual bool isClickable() const override final;
     virtual bool isEnabled() const override;
-    virtual bool isExpanded() const override final;
     virtual bool isIndeterminate() const override final;
     virtual bool isPressed() const override final;
     virtual bool isReadOnly() const override;
     virtual bool isRequired() const override final;
 
     // Check whether certain properties can be modified.
     virtual bool canSetFocusAttribute() const override;
     virtual bool canSetValueAttribute() const override;
 
     // Properties of static elements.
     virtual bool canvasHasFallbackContent() const override final;
     virtual bool exposesTitleUIElement() const override;
     virtual int headingLevel() const override final;
     virtual unsigned hierarchicalLevel() const override final;
     virtual String text() const override;
     virtual AXObject* titleUIElement() const override;
 
     // Properties of interactive elements.
     virtual AccessibilityButtonState checkboxOrRadioValue() const override final;
     virtual void colorValue(int& r, int& g, int& b) const override final;
     virtual String valueDescription() const override;
     virtual float valueForRange() const override;
     virtual float maxValueForRange() const override;
     virtual float minValueForRange() const override;
     virtual String stringValue() const override;
     virtual const AtomicString& textInputType() const override;
 
     // ARIA attributes.
     virtual String ariaDescribedByAttribute() const override final;
+    AccessibilityExpanded getExpandedAttr() const;

[dmazzoni, 2014/10/29 07:46:59]

I'd do the opposite here - since this only returns the ARIA attribute, I'd call
this ariaExpandedAttribute

[je_julie(Not used), 2014/10/29 13:07:27]

I updated API name with isExpanded.
On 2014/10/29 07:46:59, dmazzoni wrote:

+    virtual AccessibilityExpanded ariaExpanded() const override;
     virtual String ariaLabeledByAttribute() const override final;
     virtual AccessibilityRole ariaRoleAttribute() const override final;
 
     // Accessibility Text.
     virtual String textUnderElement() const override;
 
     // Accessibility Text - (To be deprecated).
     virtual String accessibilityDescription() const override;
     virtual String title() const override;
     virtual String helpText() const override;
@@ skipping 38 matching lines @@
     void ariaLabeledByText(Vector<AccessibilityText>&) const;
     void changeValueByPercent(float percentChange);
     float stepValueForRange() const;
 };
 
 DEFINE_AX_OBJECT_TYPE_CASTS(AXNodeObject, isAXNodeObject());
 
 } // namespace blink
 
 #endif // AXNodeObject_h