third_party/WebKit/Source/core/layout/LayoutObject.h - Issue 1978313003: Reland of Client side display item cache flag

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Issue 1978313003: Reland of Client side display item cache flag (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@ScrollbarTheme

Patch Set: Created 4 years, 6 months ago

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1 /*	1 /*

2 * Copyright (C) 2000 Lars Knoll (knoll@kde.org)	2 * Copyright (C) 2000 Lars Knoll (knoll@kde.org)

3 * (C) 2000 Antti Koivisto (koivisto@kde.org)	3 * (C) 2000 Antti Koivisto (koivisto@kde.org)

4 * (C) 2000 Dirk Mueller (mueller@kde.org)	4 * (C) 2000 Dirk Mueller (mueller@kde.org)

5 * (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com)	5 * (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com)

6 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2012 Apple Inc. All r ights reserved.	6 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2012 Apple Inc. All r ights reserved.

7 * Copyright (C) 2009 Google Inc. All rights reserved.	7 * Copyright (C) 2009 Google Inc. All rights reserved.

8 *	8 *

9 * This library is free software; you can redistribute it and/or	9 * This library is free software; you can redistribute it and/or

10 * modify it under the terms of the GNU Library General Public	10 * modify it under the terms of the GNU Library General Public

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1946 // This stores the paint invalidation rect from the previous frame. This rec t does not account for composited scrolling. See	1946 // This stores the paint invalidation rect from the previous frame. This rec t does not account for composited scrolling. See

1947 // adjustInvalidationRectForCompositedScrolling().	1947 // adjustInvalidationRectForCompositedScrolling().

1948 LayoutRect m_previousPaintInvalidationRect;	1948 LayoutRect m_previousPaintInvalidationRect;

1949	1949

1950 // This stores the position in the paint invalidation backing's coordinate.	1950 // This stores the position in the paint invalidation backing's coordinate.

1951 // It is used to detect layoutObject shifts that forces a full invalidation.	1951 // It is used to detect layoutObject shifts that forces a full invalidation.

1952 // This point does not account for composited scrolling. See adjustInvalid ationRectForCompositedScrolling().	1952 // This point does not account for composited scrolling. See adjustInvalid ationRectForCompositedScrolling().

1953 // For slimmingPaintInvalidation, this stores the previous paint offset.	1953 // For slimmingPaintInvalidation, this stores the previous paint offset.

1954 // TODO(wangxianzhu): Rename this to m_previousPaintOffset when we enable sl immingPaintInvalidation.	1954 // TODO(wangxianzhu): Rename this to m_previousPaintOffset when we enable sl immingPaintInvalidation.

1955 LayoutPoint m_previousPositionFromPaintInvalidationBacking;	1955 LayoutPoint m_previousPositionFromPaintInvalidationBacking;

	1956

	1957 DISPLAY_ITEM_CACHE_STATUS_IMPLEMENTATION

1956 };	1958 };

1957	1959

1958 // FIXME: remove this once the layout object lifecycle ASSERTS are no longer hit .	1960 // FIXME: remove this once the layout object lifecycle ASSERTS are no longer hit .

1959 class DeprecatedDisableModifyLayoutTreeStructureAsserts {	1961 class DeprecatedDisableModifyLayoutTreeStructureAsserts {

1960 STACK_ALLOCATED();	1962 STACK_ALLOCATED();

1961 WTF_MAKE_NONCOPYABLE(DeprecatedDisableModifyLayoutTreeStructureAsserts);	1963 WTF_MAKE_NONCOPYABLE(DeprecatedDisableModifyLayoutTreeStructureAsserts);

1962 public:	1964 public:

1963 DeprecatedDisableModifyLayoutTreeStructureAsserts();	1965 DeprecatedDisableModifyLayoutTreeStructureAsserts();

1964	1966

1965 static bool canModifyLayoutTreeStateInAnyState();	1967 static bool canModifyLayoutTreeStateInAnyState();

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2178 void showTree(const blink::LayoutObject*);	2180 void showTree(const blink::LayoutObject*);

2179 void showLineTree(const blink::LayoutObject*);	2181 void showLineTree(const blink::LayoutObject*);

2180 void showLayoutTree(const blink::LayoutObject* object1);	2182 void showLayoutTree(const blink::LayoutObject* object1);

2181 // We don't make object2 an optional parameter so that showLayoutTree	2183 // We don't make object2 an optional parameter so that showLayoutTree

2182 // can be called from gdb easily.	2184 // can be called from gdb easily.

2183 void showLayoutTree(const blink::LayoutObject* object1, const blink::LayoutObjec t* object2);	2185 void showLayoutTree(const blink::LayoutObject* object1, const blink::LayoutObjec t* object2);

2184	2186

2185 #endif	2187 #endif

2186	2188

2187 #endif // LayoutObject_h	2189 #endif // LayoutObject_h

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