third_party/WebKit/Source/core/paint/PaintLayerScrollableArea.h - Issue 1406923009: Rename DISALLOW_ALLOCATION and ALLOW_ONLY_INLINE_ALLOCATION

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Issue 1406923009: Rename DISALLOW_ALLOCATION and ALLOW_ONLY_INLINE_ALLOCATION (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Created 5 years, 1 month ago

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1 /*	1 /*

2 * Copyright (C) 2003, 2009, 2012 Apple Inc. All rights reserved.	2 * Copyright (C) 2003, 2009, 2012 Apple Inc. All rights reserved.

3 *	3 *

4 * Portions are Copyright (C) 1998 Netscape Communications Corporation.	4 * Portions are Copyright (C) 1998 Netscape Communications Corporation.

5 *	5 *

6 * Other contributors:	6 * Other contributors:

7 * Robert O'Callahan <roc+@cs.cmu.edu>	7 * Robert O'Callahan <roc+@cs.cmu.edu>

8 * David Baron <dbaron@fas.harvard.edu>	8 * David Baron <dbaron@fas.harvard.edu>

9 * Christian Biesinger <cbiesinger@web.de>	9 * Christian Biesinger <cbiesinger@web.de>

10 * Randall Jesup <rjesup@wgate.com>	10 * Randall Jesup <rjesup@wgate.com>

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97 // to be painted on top of everything. Hardware accelerated overlay scrollbars	97 // to be painted on top of everything. Hardware accelerated overlay scrollbars

98 // are painted by their associated GraphicsLayer that sets the paint flag	98 // are painted by their associated GraphicsLayer that sets the paint flag

99 // PaintLayerPaintingOverlayScrollbars.	99 // PaintLayerPaintingOverlayScrollbars.

100 class CORE_EXPORT PaintLayerScrollableArea final : public NoBaseWillBeGarbageCol lectedFinalized<PaintLayerScrollableArea>, public ScrollableArea {	100 class CORE_EXPORT PaintLayerScrollableArea final : public NoBaseWillBeGarbageCol lectedFinalized<PaintLayerScrollableArea>, public ScrollableArea {

101 USING_FAST_MALLOC_WILL_BE_REMOVED(PaintLayerScrollableArea);	101 USING_FAST_MALLOC_WILL_BE_REMOVED(PaintLayerScrollableArea);

102 WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(PaintLayerScrollableArea);	102 WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(PaintLayerScrollableArea);

103 friend class Internals;	103 friend class Internals;

104	104

105 private:	105 private:

106 class ScrollbarManager {	106 class ScrollbarManager {

107 DISALLOW_ALLOCATION();	107 DISALLOW_NEW();

108	108

109 // Helper class to manage the life cycle of Scrollbar objects. Some lay out containers	109 // Helper class to manage the life cycle of Scrollbar objects. Some lay out containers

110 // (e.g., flexbox, table) run multi-pass layout on their children, apply ing different	110 // (e.g., flexbox, table) run multi-pass layout on their children, apply ing different

111 // constraints. If a child has overflow:auto, it may gain and lose scro llbars multiple	111 // constraints. If a child has overflow:auto, it may gain and lose scro llbars multiple

112 // times during multi-pass layout, causing pointless allocation/dealloca tion thrashing,	112 // times during multi-pass layout, causing pointless allocation/dealloca tion thrashing,

113 // and potentially leading to other problems (crbug.com/528940).	113 // and potentially leading to other problems (crbug.com/528940).

114	114

115 // ScrollbarManager allows a ScrollableArea to delay the destruction of a scrollbar that	115 // ScrollbarManager allows a ScrollableArea to delay the destruction of a scrollbar that

116 // is no longer needed, until the end of multi-pass layout. If the scro llbar is then	116 // is no longer needed, until the end of multi-pass layout. If the scro llbar is then

117 // re-added before multi-pass layout finishes, the previously "deleted" scrollbar will	117 // re-added before multi-pass layout finishes, the previously "deleted" scrollbar will

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401 LayoutScrollbarPart* m_resizer;	401 LayoutScrollbarPart* m_resizer;

402	402

403 #if ENABLE(ASSERT)	403 #if ENABLE(ASSERT)

404 bool m_hasBeenDisposed;	404 bool m_hasBeenDisposed;

405 #endif	405 #endif

406 };	406 };

407	407

408 } // namespace blink	408 } // namespace blink

409	409

410 #endif // LayerScrollableArea_h	410 #endif // LayerScrollableArea_h

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