Source/core/accessibility/AccessibilityScrollView.h - Issue 14740025: Simplify and add caching for accessible bounding box calculation.

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Issue 14740025: Simplify and add caching for accessible bounding box calculation. (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Created 7 years, 7 months ago

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1 /*	1 /*

2 * Copyright (C) 2011 Apple Inc. All rights reserved.	2 * Copyright (C) 2011 Apple Inc. All rights reserved.

3 *	3 *

4 * Redistribution and use in source and binary forms, with or without	4 * Redistribution and use in source and binary forms, with or without

5 * modification, are permitted provided that the following conditions	5 * modification, are permitted provided that the following conditions

6 * are met:	6 * are met:

7 *	7 *

8 * 1. Redistributions of source code must retain the above copyright	8 * 1. Redistributions of source code must retain the above copyright

9 * notice, this list of conditions and the following disclaimer.	9 * notice, this list of conditions and the following disclaimer.

10 * 2. Redistributions in binary form must reproduce the above copyright	10 * 2. Redistributions in binary form must reproduce the above copyright

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59	59

60 virtual AccessibilityObject* scrollBar(AccessibilityOrientation);	60 virtual AccessibilityObject* scrollBar(AccessibilityOrientation);

61 virtual void addChildren();	61 virtual void addChildren();

62 virtual void clearChildren();	62 virtual void clearChildren();

63 virtual AccessibilityObject* accessibilityHitTest(const IntPoint&) const;	63 virtual AccessibilityObject* accessibilityHitTest(const IntPoint&) const;

64 virtual void updateChildrenIfNecessary();	64 virtual void updateChildrenIfNecessary();

65 virtual void setNeedsToUpdateChildren() { m_childrenDirty = true; }	65 virtual void setNeedsToUpdateChildren() { m_childrenDirty = true; }

66 void updateScrollbars();	66 void updateScrollbars();

67	67

68 virtual FrameView* documentFrameView() const;	68 virtual FrameView* documentFrameView() const;

69 virtual LayoutRect elementRect() const;	69 virtual LayoutRect elementRect();

70 virtual AccessibilityObject* parentObject() const;	70 virtual AccessibilityObject* parentObject() const;

71 virtual AccessibilityObject* parentObjectIfExists() const;	71 virtual AccessibilityObject* parentObjectIfExists() const;

72	72

73 AccessibilityObject* webAreaObject() const;	73 AccessibilityObject* webAreaObject() const;

74 virtual AccessibilityObject* firstChild() const { return webAreaObject(); }	74 virtual AccessibilityObject* firstChild() const { return webAreaObject(); }

75 AccessibilityScrollbar* addChildScrollbar(Scrollbar*);	75 AccessibilityScrollbar* addChildScrollbar(Scrollbar*);

76 void removeChildScrollbar(AccessibilityObject*);	76 void removeChildScrollbar(AccessibilityObject*);

77	77

78 ScrollView* m_scrollView;	78 ScrollView* m_scrollView;

79 RefPtr<AccessibilityObject> m_horizontalScrollbar;	79 RefPtr<AccessibilityObject> m_horizontalScrollbar;

80 RefPtr<AccessibilityObject> m_verticalScrollbar;	80 RefPtr<AccessibilityObject> m_verticalScrollbar;

81 bool m_childrenDirty;	81 bool m_childrenDirty;

82 };	82 };

83	83

84 inline AccessibilityScrollView* toAccessibilityScrollView(AccessibilityObject* o bject)	84 inline AccessibilityScrollView* toAccessibilityScrollView(AccessibilityObject* o bject)

85 {	85 {

86 ASSERT(!object \|\| object->isAccessibilityScrollView());	86 ASSERT(!object \|\| object->isAccessibilityScrollView());

87 if (!object->isAccessibilityScrollView())	87 if (!object->isAccessibilityScrollView())

88 return 0;	88 return 0;

89	89

90 return static_cast<AccessibilityScrollView*>(object);	90 return static_cast<AccessibilityScrollView*>(object);

91 }	91 }

92	92

93 } // namespace WebCore	93 } // namespace WebCore

94	94

95 #endif // AccessibilityScrollView_h	95 #endif // AccessibilityScrollView_h

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