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1 /* | 1 /* |
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) | 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
3 * (C) 1999 Antti Koivisto (koivisto@kde.org) | 3 * (C) 1999 Antti Koivisto (koivisto@kde.org) |
4 * (C) 2005 Allan Sandfeld Jensen (kde@carewolf.com) | 4 * (C) 2005 Allan Sandfeld Jensen (kde@carewolf.com) |
5 * (C) 2005, 2006 Samuel Weinig (sam.weinig@gmail.com) | 5 * (C) 2005, 2006 Samuel Weinig (sam.weinig@gmail.com) |
6 * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserv
ed. | 6 * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserv
ed. |
7 * Copyright (C) 2013 Adobe Systems Incorporated. All rights reserved. | 7 * Copyright (C) 2013 Adobe Systems Incorporated. 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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4240 return; | 4240 return; |
4241 | 4241 |
4242 if (!hasSelfVisualOverflow() && contentsVisualOverflowRect().isEmpty()) { | 4242 if (!hasSelfVisualOverflow() && contentsVisualOverflowRect().isEmpty()) { |
4243 clearAllOverflows(); | 4243 clearAllOverflows(); |
4244 return; | 4244 return; |
4245 } | 4245 } |
4246 | 4246 |
4247 m_overflow->setLayoutOverflow(noOverflowRect()); | 4247 m_overflow->setLayoutOverflow(noOverflowRect()); |
4248 } | 4248 } |
4249 | 4249 |
4250 static bool logicalWidthIsResolvable(const LayoutBox& layoutBox) | |
4251 { | |
4252 const LayoutBox* box = &layoutBox; | |
4253 while (!box->isLayoutView() && !box->isOutOfFlowPositioned() | |
4254 && (box->style()->logicalWidth().isAuto() || box->isAnonymousBlock()) | |
4255 && !box->hasOverrideContainingBlockLogicalWidth()) | |
4256 box = box->containingBlock(); | |
4257 | |
4258 if (box->style()->logicalWidth().isFixed()) | |
4259 return true; | |
4260 if (box->isLayoutView()) | |
4261 return true; | |
4262 // The size of the containing block of an absolutely positioned element is a
lways definite with respect to that | |
4263 // element (http://dev.w3.org/csswg/css-sizing-3/#definite). | |
4264 if (box->isOutOfFlowPositioned()) | |
4265 return true; | |
4266 if (box->hasOverrideContainingBlockLogicalWidth()) | |
4267 return box->overrideContainingBlockContentLogicalWidth() != -1; | |
4268 if (box->style()->logicalWidth().hasPercent()) | |
4269 return logicalWidthIsResolvable(*box->containingBlock()); | |
4270 | |
4271 return false; | |
4272 } | |
4273 | |
4274 bool LayoutBox::hasDefiniteLogicalWidth() const | |
4275 { | |
4276 return logicalWidthIsResolvable(*this); | |
4277 } | |
4278 | |
4279 bool LayoutBox::percentageLogicalHeightIsResolvable() const | 4250 bool LayoutBox::percentageLogicalHeightIsResolvable() const |
4280 { | 4251 { |
4281 Length fakeLength(100, Percent); | 4252 Length fakeLength(100, Percent); |
4282 return computePercentageLogicalHeight(fakeLength) != -1; | 4253 return computePercentageLogicalHeight(fakeLength) != -1; |
4283 } | 4254 } |
4284 | 4255 |
4285 bool LayoutBox::hasDefiniteLogicalHeight() const | 4256 bool LayoutBox::hasDefiniteLogicalHeight() const |
4286 { | 4257 { |
4287 const Length& logicalHeight = style()->logicalHeight(); | 4258 const Length& logicalHeight = style()->logicalHeight(); |
4288 if (logicalHeight.isIntrinsicOrAuto()) | 4259 if (logicalHeight.isIntrinsicOrAuto()) |
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4921 m_rareData->m_snapAreas->remove(&snapArea); | 4892 m_rareData->m_snapAreas->remove(&snapArea); |
4922 } | 4893 } |
4923 } | 4894 } |
4924 | 4895 |
4925 SnapAreaSet* LayoutBox::snapAreas() const | 4896 SnapAreaSet* LayoutBox::snapAreas() const |
4926 { | 4897 { |
4927 return m_rareData ? m_rareData->m_snapAreas.get() : nullptr; | 4898 return m_rareData ? m_rareData->m_snapAreas.get() : nullptr; |
4928 } | 4899 } |
4929 | 4900 |
4930 } // namespace blink | 4901 } // namespace blink |
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