third_party/WebKit/Source/core/layout/LayoutBlockFlowLine.cpp - Issue 2051333005: Let FrameView track object paint invalidations

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Side by Side Diff: third_party/WebKit/Source/core/layout/LayoutBlockFlowLine.cpp

Issue 2051333005: Let FrameView track object paint invalidations (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@TrackInvalidation

Patch Set: NeedsRebaseline 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 * Copyright (C) 2003, 2004, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All r ight reserved.	3 * Copyright (C) 2003, 2004, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All r ight reserved.

4 * Copyright (C) 2010 Google Inc. All rights reserved.	4 * Copyright (C) 2010 Google Inc. All rights reserved.

5 *	5 *

6 * This library is free software; you can redistribute it and/or	6 * This library is free software; you can redistribute it and/or

7 * modify it under the terms of the GNU Library General Public	7 * modify it under the terms of the GNU Library General Public

8 * License as published by the Free Software Foundation; either	8 * License as published by the Free Software Foundation; either

9 * version 2 of the License, or (at your option) any later version.	9 * version 2 of the License, or (at your option) any later version.

10 *	10 *

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2082	2082

2083 PaintInvalidationReason reason = LayoutBlock::invalidatePaintIfNeeded(paintI nvalidationState);	2083 PaintInvalidationReason reason = LayoutBlock::invalidatePaintIfNeeded(paintI nvalidationState);

2084 if (reason == PaintInvalidationNone)	2084 if (reason == PaintInvalidationNone)

2085 return reason;	2085 return reason;

2086 RootInlineBox* line = firstRootBox();	2086 RootInlineBox* line = firstRootBox();

2087 if (!line \|\| !line->isFirstLineStyle())	2087 if (!line \|\| !line->isFirstLineStyle())

2088 return reason;	2088 return reason;

2089 // It's the RootInlineBox that paints the ::first-line background. Note that since it may be	2089 // It's the RootInlineBox that paints the ::first-line background. Note that since it may be

2090 // expensive to figure out if the first line is affected by any ::first-line selectors at all,	2090 // expensive to figure out if the first line is affected by any ::first-line selectors at all,

2091 // we just invalidate it unconditionally, since that's typically cheaper.	2091 // we just invalidate it unconditionally, since that's typically cheaper.

2092 invalidateDisplayItemClient(*line);	2092 invalidateDisplayItemClient(*line, reason);

2093 return reason;	2093 return reason;

2094 }	2094 }

2095	2095

2096 } // namespace blink	2096 } // namespace blink

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