Source/core/rendering/RenderScrollbar.h - Issue 318583002: Oilpan: Replace RefPtrs to Node and its subclasses in core/rendering with Oilpan transition types.

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Side by Side Diff: Source/core/rendering/RenderScrollbar.h

Issue 318583002: Oilpan: Replace RefPtrs to Node and its subclasses in core/rendering with Oilpan transition types. (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Created 6 years, 6 months ago

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1 /*	1 /*

2 * Copyright (C) 2008, 2009 Apple Inc. All Rights Reserved.	2 * Copyright (C) 2008, 2009 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 * 1. Redistributions of source code must retain the above copyright	7 * 1. Redistributions of source code must retain the above copyright

8 * notice, this list of conditions and the following disclaimer.	8 * notice, this list of conditions and the following disclaimer.

9 * 2. Redistributions in binary form must reproduce the above copyright	9 * 2. Redistributions in binary form must reproduce the above copyright

10 * notice, this list of conditions and the following disclaimer in the	10 * notice, this list of conditions and the following disclaimer in the

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74	74

75 void updateScrollbarParts(bool destroy = false);	75 void updateScrollbarParts(bool destroy = false);

76	76

77 PassRefPtr<RenderStyle> getScrollbarPseudoStyle(ScrollbarPart, PseudoId);	77 PassRefPtr<RenderStyle> getScrollbarPseudoStyle(ScrollbarPart, PseudoId);

78 void updateScrollbarPart(ScrollbarPart, bool destroy = false);	78 void updateScrollbarPart(ScrollbarPart, bool destroy = false);

79	79

80 // This Scrollbar(Widget) may outlive the DOM which created it (during tear down),	80 // This Scrollbar(Widget) may outlive the DOM which created it (during tear down),

81 // so we keep a reference to the Node which caused this custom scrollbar cre ation.	81 // so we keep a reference to the Node which caused this custom scrollbar cre ation.

82 // This will not create a reference cycle as the Widget tree is owned by our containing	82 // This will not create a reference cycle as the Widget tree is owned by our containing

83 // FrameView which this Node pointer can in no way keep alive. See webkit bu g 80610.	83 // FrameView which this Node pointer can in no way keep alive. See webkit bu g 80610.

84 RefPtr<Node> m_owner;	84 RefPtrWillBePersistent<Node> m_owner;

85	85

86 LocalFrame* m_owningFrame;	86 LocalFrame* m_owningFrame;

87 HashMap<unsigned, RenderScrollbarPart*> m_parts;	87 HashMap<unsigned, RenderScrollbarPart*> m_parts;

88 };	88 };

89	89

90 DEFINE_TYPE_CASTS(RenderScrollbar, ScrollbarThemeClient, scrollbar, scrollbar->i sCustomScrollbar(), scrollbar.isCustomScrollbar());	90 DEFINE_TYPE_CASTS(RenderScrollbar, ScrollbarThemeClient, scrollbar, scrollbar->i sCustomScrollbar(), scrollbar.isCustomScrollbar());

91	91

92 } // namespace WebCore	92 } // namespace WebCore

93	93

94 #endif // RenderScrollbar_h	94 #endif // RenderScrollbar_h

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