Last few steps of text alternative computation algorithm

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 535 matching lines @@
     virtual bool isMeter() const { return false; }
     virtual bool isMockObject() const { return false; }
     virtual bool isNativeSpinButton() const { return false; }
     virtual bool isNativeTextControl() const { return false; } // input or textarea
     virtual bool isNonNativeTextControl() const { return false; } // contenteditable or role=textbox
     virtual bool isPasswordField() const { return false; }
     virtual bool isPasswordFieldAndShouldHideValue() const;
     bool isPresentational() const { return roleValue() == NoneRole || roleValue() == PresentationalRole; }
     virtual bool isProgressIndicator() const { return false; }
     bool isRadioButton() const { return roleValue() == RadioButtonRole; }
+    bool isRange() const { return roleValue() == ProgressIndicatorRole || roleValue() == ScrollBarRole || roleValue() == SliderRole || roleValue() == SpinButtonRole; }
     bool isScrollbar() const { return roleValue() == ScrollBarRole; }
     virtual bool isSlider() const { return false; }
     virtual bool isNativeSlider() const { return false; }
     virtual bool isSpinButton() const { return roleValue() == SpinButtonRole; }
     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; }
@@ skipping 60 matching lines @@
     virtual String deprecatedTitle(TextUnderElementMode mode = TextUnderElementAll) const { return String(); }
     virtual String deprecatedHelpText() const { return String(); }
     virtual String deprecatedTextUnderElement(TextUnderElementMode mode = TextUnderElementAll) const { return String(); }
 
     //
     // New text alternative calculation API (under development).
     //
 
     // Retrieves the accessible name of the object, an enum indicating where the name
     // was derived from, and a list of objects that were used to derive the name, if any.
-    virtual String name(AXNameFrom&, AXObjectVector& nameObjects) const;
+    virtual String name(AXNameFrom&, AXObjectVector* nameObjects) const;
 
     typedef WillBeHeapVector<NameSource> NameSources;
     // Retrieves the accessible name of the object and a list of all potential sources
     // for the name, indicating which were used.
     virtual String name(NameSources*) const;
 
     // Takes the result of nameFrom from calling |name|, above, and retrieves the
     // accessible description of the object, which is secondary to |name|, an enum indicating
     // where the description was derived from, and a list of objects that were used to
     // derive the description, if any.
-    virtual String description(AXNameFrom, AXDescriptionFrom&, AXObjectVector& descriptionObjects) { return String(); }
+    virtual String description(AXNameFrom, AXDescriptionFrom&, AXObjectVector* descriptionObjects) { return String(); }
 
     // Takes the result of nameFrom and descriptionFrom from calling |name| and |description|,
     // above, and retrieves the placeholder of the object, if present and if it wasn't already
     // exposed by one of the two functions above.
     virtual String placeholder(AXNameFrom, AXDescriptionFrom) { return String(); }
 
     // Internal function used by name and description, above.
     typedef WillBeHeapHashSet<RawPtrWillBeMember<const AXObject>> AXObjectSet;
-    virtual String textAlternative(bool recursive, bool inAriaLabelledByTraversal, AXObjectSet& visited, AXNameFrom& nameFrom, AXObjectVector& nameObjects, NameSources* nameSources) const { return String(); }
+    virtual String textAlternative(bool recursive, bool inAriaLabelledByTraversal, AXObjectSet& visited, AXNameFrom& nameFrom, AXObjectVector* nameObjects, NameSources* nameSources) const { return String(); }
 
     // Returns result of Accessible Name Calculation algorithm.
     // This is a simpler high-level interface to |name| used by Inspector.
     virtual String computedName() const { return String(); }
 
     //
     // Properties of static elements.
     //
 
     virtual const AtomicString& accessKey() const { return nullAtom; }
@@ skipping 251 matching lines @@
 
 #define DEFINE_AX_OBJECT_TYPE_CASTS(thisType, predicate) \
     DEFINE_TYPE_CASTS(thisType, AXObject, object, object->predicate, object.predicate)
 
 } // namespace blink
 
 WTF_ALLOW_INIT_WITH_MEM_FUNCTIONS(blink::IgnoredReason);
 WTF_ALLOW_INIT_WITH_MEM_FUNCTIONS(blink::NameSource);
 
 #endif // AXObject_h