AX checked state changes

third_party/WebKit/Source/modules/accessibility/AXObject.h

 /*
  * Copyright (C) 2008, 2009, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nuanti Ltd.
  *
  * 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.
@@ skipping 599 matching lines @@
   virtual bool isAXSVGRoot() const { return false; }
 
   // Check object role or purpose.
   virtual AccessibilityRole roleValue() const { return m_role; }
   bool isARIATextControl() const;
   virtual bool isARIATreeGridRow() const { return false; }
   virtual bool isAXTable() const { return false; }
   virtual bool isAnchor() const { return false; }
   bool isButton() const;
   bool isCanvas() const { return roleValue() == CanvasRole; }
+  bool isCheckable() const;
   bool isCheckbox() const { return roleValue() == CheckBoxRole; }
   bool isCheckboxOrRadio() const { return isCheckbox() || isRadioButton(); }
   bool isColorWell() const { return roleValue() == ColorWellRole; }
   bool isComboBox() const { return roleValue() == ComboBoxRole; }
   virtual bool isControl() const { return false; }
   virtual bool isDataTable() const { return false; }
   virtual bool isEmbeddedObject() const { return false; }
   virtual bool isFieldset() const { return false; }
   virtual bool isHeading() const { return false; }
   virtual bool isImage() const { return false; }
@@ skipping 36 matching lines @@
   virtual bool isSpinButtonPart() const { return false; }
   bool isTabItem() const { return roleValue() == TabRole; }
   virtual bool isTableCell() const { return false; }
   virtual bool isTableRow() const { return false; }
   virtual bool isTextControl() const { return false; }
   virtual bool isTableCol() const { return false; }
   bool isTree() const { return roleValue() == TreeRole; }
   bool isWebArea() const { return roleValue() == WebAreaRole; }
 
   // Check object state.
-  virtual bool isChecked() const { return false; }
+  bool isChecked() const;
   virtual bool isClickable() const;
   virtual bool isCollapsed() const { return false; }
   virtual bool isEnabled() const { return false; }
   virtual AccessibilityExpanded isExpanded() const { return ExpandedUndefined; }
   virtual bool isFocused() const { return false; }
   virtual bool isHovered() const { return false; }
   virtual bool isLinked() const { return false; }
   virtual bool isLoaded() const { return false; }
   virtual bool isModal() const { return false; }
   virtual bool isMultiSelectable() const { return false; }
@@ skipping 146 matching lines @@
                        Vector<AXRange>&) const {}
   // For an inline text box.
   // The integer horizontal pixel offset of each character in the string;
   // negative values for RTL.
   virtual void textCharacterOffsets(Vector<int>&) const {}
   // The start and end character offset of each word in the object's text.
   virtual void wordBoundaries(Vector<AXRange>&) const {}
 
   // Properties of interactive elements.
   AXSupportedAction action() const;
-  virtual AccessibilityButtonState checkboxOrRadioValue() const;
+  AccessibilityButtonState checkboxOrRadioState() const;
   virtual AriaCurrentState ariaCurrentState() const {
     return AriaCurrentStateUndefined;
   }
   virtual InvalidState getInvalidState() const { return InvalidStateUndefined; }
   // Only used when invalidState() returns InvalidStateOther.
   virtual String ariaInvalidValue() const { return String(); }
   virtual String valueDescription() const { return String(); }
   virtual float valueForRange() const { return 0.0f; }
   virtual float maxValueForRange() const { return 0.0f; }
   virtual float minValueForRange() const { return 0.0f; }
@@ skipping 239 matching lines @@
   mutable Member<AXObject> m_cachedLiveRegionRoot;
 
   Member<AXObjectCacheImpl> m_axObjectCache;
 
   // Updates the cached attribute values. This may be recursive, so to prevent
   // deadlocks,
   // functions called here may only search up the tree (ancestors), not down.
   void updateCachedAttributeValuesIfNeeded() const;
 
  private:
+  static bool isNativeInputInMixedState(const Node *);
+
   static bool includesARIAWidgetRole(const String&);
   static bool hasInteractiveARIAAttribute(const Element&);
 
   static unsigned s_numberOfLiveAXObjects;
 };
 
 #define DEFINE_AX_OBJECT_TYPE_CASTS(thisType, predicate)           \
   DEFINE_TYPE_CASTS(thisType, AXObject, object, object->predicate, \
                     object.predicate)
 
 }  // namespace blink
 
 #endif  // AXObject_h