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1 /* | 1 /* |
2 * Copyright (C) 2008, 2009, 2011 Apple Inc. All rights reserved. | 2 * Copyright (C) 2008, 2009, 2011 Apple Inc. All rights reserved. |
3 * Copyright (C) 2008 Nuanti Ltd. | 3 * Copyright (C) 2008 Nuanti Ltd. |
4 * | 4 * |
5 * Redistribution and use in source and binary forms, with or without | 5 * Redistribution and use in source and binary forms, with or without |
6 * modification, are permitted provided that the following conditions | 6 * modification, are permitted provided that the following conditions |
7 * are met: | 7 * are met: |
8 * | 8 * |
9 * 1. Redistributions of source code must retain the above copyright | 9 * 1. Redistributions of source code must retain the above copyright |
10 * notice, this list of conditions and the following disclaimer. | 10 * notice, this list of conditions and the following disclaimer. |
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550 virtual AXObject* nextSibling() const { return 0; } | 550 virtual AXObject* nextSibling() const { return 0; } |
551 AXObject* firstAccessibleObjectFromNode(const Node*); | 551 AXObject* firstAccessibleObjectFromNode(const Node*); |
552 virtual void addChildren() { } | 552 virtual void addChildren() { } |
553 virtual bool canHaveChildren() const { return true; } | 553 virtual bool canHaveChildren() const { return true; } |
554 bool hasChildren() const { return m_haveChildren; } | 554 bool hasChildren() const { return m_haveChildren; } |
555 virtual void updateChildrenIfNecessary(); | 555 virtual void updateChildrenIfNecessary(); |
556 virtual bool needsToUpdateChildren() const { return false; } | 556 virtual bool needsToUpdateChildren() const { return false; } |
557 virtual void setNeedsToUpdateChildren() { } | 557 virtual void setNeedsToUpdateChildren() { } |
558 virtual void clearChildren(); | 558 virtual void clearChildren(); |
559 virtual void detachFromParent() { m_parent = 0; } | 559 virtual void detachFromParent() { m_parent = 0; } |
560 virtual AXObject* observableObject() const { return 0; } | |
561 virtual AXObject* scrollBar(AccessibilityOrientation) { return 0; } | 560 virtual AXObject* scrollBar(AccessibilityOrientation) { return 0; } |
562 | 561 |
563 // Properties of the object's owning document or page. | 562 // Properties of the object's owning document or page. |
564 virtual double estimatedLoadingProgress() const { return 0; } | 563 virtual double estimatedLoadingProgress() const { return 0; } |
565 AXObject* focusedUIElement() const; | 564 AXObject* focusedUIElement() const; |
566 | 565 |
567 // DOM and layout tree access. | 566 // DOM and layout tree access. |
568 virtual Node* node() const { return 0; } | 567 virtual Node* node() const { return 0; } |
569 virtual LayoutObject* layoutObject() const { return 0; } | 568 virtual LayoutObject* layoutObject() const { return 0; } |
570 virtual Document* document() const; | 569 virtual Document* document() const; |
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661 static bool includesARIAWidgetRole(const String&); | 660 static bool includesARIAWidgetRole(const String&); |
662 static bool hasInteractiveARIAAttribute(const Element&); | 661 static bool hasInteractiveARIAAttribute(const Element&); |
663 }; | 662 }; |
664 | 663 |
665 #define DEFINE_AX_OBJECT_TYPE_CASTS(thisType, predicate) \ | 664 #define DEFINE_AX_OBJECT_TYPE_CASTS(thisType, predicate) \ |
666 DEFINE_TYPE_CASTS(thisType, AXObject, object, object->predicate, object.pred
icate) | 665 DEFINE_TYPE_CASTS(thisType, AXObject, object, object->predicate, object.pred
icate) |
667 | 666 |
668 } // namespace blink | 667 } // namespace blink |
669 | 668 |
670 #endif // AXObject_h | 669 #endif // AXObject_h |
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