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Side by Side Diff: Source/core/rendering/style/RenderStyleConstants.h

Issue 203463007: Recompute overflow after transform changes (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: rebase Created 6 years, 8 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 * Copyright (C) 2003, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved. 5 * Copyright (C) 2003, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
6 * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com) 6 * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
7 * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmo bile.com/) 7 * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmo bile.com/)
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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45 }; 45 };
46 46
47 // The difference between two styles. The following values are used: 47 // The difference between two styles. The following values are used:
48 // - StyleDifferenceEqual - The two styles are identical. 48 // - StyleDifferenceEqual - The two styles are identical.
49 // FIXME: When style difference is context sensitive, RenderStyle::visualInval idationDiff() may return 49 // FIXME: When style difference is context sensitive, RenderStyle::visualInval idationDiff() may return
50 // StyleDifferenceEqual even there is difference. Will resolve the issue when fixing crbug.com/358460. 50 // StyleDifferenceEqual even there is difference. Will resolve the issue when fixing crbug.com/358460.
51 // - StyleDifferenceRecompositeLayer - The layer needs its position and transfor m updated, but no repaint. 51 // - StyleDifferenceRecompositeLayer - The layer needs its position and transfor m updated, but no repaint.
52 // - StyleDifferenceRepaint - The object just needs to be repainted. 52 // - StyleDifferenceRepaint - The object just needs to be repainted.
53 // - StyleDifferenceRepaintLayer - The layer and its descendant layers need to b e repainted. 53 // - StyleDifferenceRepaintLayer - The layer and its descendant layers need to b e repainted.
54 // - StyleDifferenceLayoutPositionedMovementOnly - Only the position of this pos itioned object has been updated. 54 // - StyleDifferenceLayoutPositionedMovementOnly - Only the position of this pos itioned object has been updated.
55 // - StyleDifferenceSimplifiedLayout - Only overflow needs to be recomputed.
56 // - StyleDifferenceSimplifiedLayoutAndPositionedMovement - Both positioned move ment and simplified layout updates are required.
57 // - StyleDifferenceLayout - A full layout is required. 55 // - StyleDifferenceLayout - A full layout is required.
58 enum StyleDifference { 56 enum StyleDifference {
59 StyleDifferenceEqual, 57 StyleDifferenceEqual,
60 StyleDifferenceRecompositeLayer, 58 StyleDifferenceRecompositeLayer,
61 StyleDifferenceRepaint, 59 StyleDifferenceRepaint,
62 StyleDifferenceRepaintLayer, 60 StyleDifferenceRepaintLayer,
63 StyleDifferenceLayoutPositionedMovementOnly, 61 StyleDifferenceLayoutPositionedMovementOnly,
64 StyleDifferenceSimplifiedLayout,
65 StyleDifferenceSimplifiedLayoutAndPositionedMovement,
66 StyleDifferenceLayout 62 StyleDifferenceLayout
67 }; 63 };
68 64
69 // When some style properties change, different amounts of work have to be done depending on 65 // When some style properties change, different amounts of work have to be done depending on
70 // context (e.g. whether the property is changing on an element which has a comp ositing layer). 66 // context (e.g. whether the property is changing on an element which has a comp ositing layer).
71 // A simple StyleDifference does not provide enough information so we return a b it mask of 67 // A simple StyleDifference does not provide enough information so we return a b it mask of
72 // StyleDifferenceContextSensitiveProperties from RenderStyle::visualInvalidatio nDiff() too. 68 // StyleDifferenceContextSensitiveProperties from RenderStyle::visualInvalidatio nDiff() too.
73 enum StyleDifferenceContextSensitiveProperty { 69 enum StyleDifferenceContextSensitiveProperty {
74 ContextSensitivePropertyNone = 0, 70 ContextSensitivePropertyNone = 0,
75 ContextSensitivePropertyTransform = (1 << 0), 71 ContextSensitivePropertyTransform = (1 << 0),
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551 // Reasonable maximum to prevent insane font sizes from causing crashes on some platforms (such as Windows). 547 // Reasonable maximum to prevent insane font sizes from causing crashes on some platforms (such as Windows).
552 static const float maximumAllowedFontSize = 1000000.0f; 548 static const float maximumAllowedFontSize = 1000000.0f;
553 549
554 enum TextIndentLine { TextIndentFirstLine, TextIndentEachLine }; 550 enum TextIndentLine { TextIndentFirstLine, TextIndentEachLine };
555 551
556 enum CSSBoxType { BoxMissing = 0, MarginBox, BorderBox, PaddingBox, ContentBox } ; 552 enum CSSBoxType { BoxMissing = 0, MarginBox, BorderBox, PaddingBox, ContentBox } ;
557 553
558 } // namespace WebCore 554 } // namespace WebCore
559 555
560 #endif // RenderStyleConstants_h 556 #endif // RenderStyleConstants_h
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