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 607 matching lines @@
   virtual bool IsAXRadioInput() const { return false; }
   virtual bool IsAXSVGRoot() const { return false; }
 
   // Check object role or purpose.
   virtual AccessibilityRole RoleValue() const { return 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 IsCheckable() const;
   bool IsCanvas() const { return RoleValue() == kCanvasRole; }
   bool IsCheckbox() const { return RoleValue() == kCheckBoxRole; }
   bool IsCheckboxOrRadio() const { return IsCheckbox() || IsRadioButton(); }
   bool IsColorWell() const { return RoleValue() == kColorWellRole; }
   bool IsComboBox() const { return RoleValue() == kComboBoxRole; }
   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; }
@@ skipping 38 matching lines @@
   virtual bool IsSpinButtonPart() const { return false; }
   bool IsTabItem() const { return RoleValue() == kTabRole; }
   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() == kTreeRole; }
   bool IsWebArea() const { return RoleValue() == kWebAreaRole; }
 
   // Check object state.
-  virtual bool IsChecked() const { return false; }
   virtual bool IsClickable() const;
   virtual bool IsCollapsed() const { return false; }
   virtual bool IsEnabled() const { return false; }
   virtual AccessibilityExpanded IsExpanded() const {
     return kExpandedUndefined;
   }
   virtual bool IsFocused() const { return false; }
   virtual bool IsHovered() const { return false; }
   virtual bool IsLinked() const { return false; }
   virtual bool IsLoaded() const { return false; }
@@ skipping 154 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 GetWordBoundaries(Vector<AXRange>&) const {}
 
   // Properties of interactive elements.
   AXSupportedAction Action() const;
-  virtual AccessibilityButtonState CheckboxOrRadioValue() const;
+  AccessibilityButtonState CheckedState() const;
   virtual AriaCurrentState GetAriaCurrentState() const {
     return kAriaCurrentStateUndefined;
   }
   virtual InvalidState GetInvalidState() const {
     return kInvalidStateUndefined;
   }
   // 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; }
@@ skipping 241 matching lines @@
   mutable Member<AXObject> cached_live_region_root_;
 
   Member<AXObjectCacheImpl> ax_object_cache_;
 
   // 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 number_of_live_ax_objects_;
 };
 
 #define DEFINE_AX_OBJECT_TYPE_CASTS(thisType, predicate)           \
   DEFINE_TYPE_CASTS(thisType, AXObject, object, object->predicate, \
                     object.predicate)
 
 }  // namespace blink
 
 #endif  // AXObject_h