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1 /* | 1 /* |
2 * Copyright (C) 2004 Zack Rusin <zack@kde.org> | 2 * Copyright (C) 2004 Zack Rusin <zack@kde.org> |
3 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc.
All rights reserved. | 3 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc.
All rights reserved. |
4 * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org> | 4 * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org> |
5 * Copyright (C) 2007 Nicholas Shanks <webkit@nickshanks.com> | 5 * Copyright (C) 2007 Nicholas Shanks <webkit@nickshanks.com> |
6 * Copyright (C) 2011 Sencha, Inc. All rights reserved. | 6 * Copyright (C) 2011 Sencha, Inc. All rights reserved. |
7 * Copyright (C) 2015 Google Inc. All rights reserved. | 7 * Copyright (C) 2015 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 Lesser General Public | 10 * modify it under the terms of the GNU Lesser General Public |
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200 | 200 |
201 if (offset.isAuto() && layoutObject) { | 201 if (offset.isAuto() && layoutObject) { |
202 // If the property applies to a positioned element and the resolved valu
e of the display | 202 // If the property applies to a positioned element and the resolved valu
e of the display |
203 // property is not none, the resolved value is the used value. | 203 // property is not none, the resolved value is the used value. |
204 if (layoutObject->isInFlowPositioned()) { | 204 if (layoutObject->isInFlowPositioned()) { |
205 // If e.g. left is auto and right is not auto, then left's computed
value is negative right. | 205 // If e.g. left is auto and right is not auto, then left's computed
value is negative right. |
206 // So we get the opposite length unit and see if it is auto. | 206 // So we get the opposite length unit and see if it is auto. |
207 if (opposite.isAuto()) | 207 if (opposite.isAuto()) |
208 return CSSPrimitiveValue::create(0, CSSPrimitiveValue::UnitType:
:Pixels); | 208 return CSSPrimitiveValue::create(0, CSSPrimitiveValue::UnitType:
:Pixels); |
209 | 209 |
210 if (opposite.hasPercent()) { | 210 if (opposite.hasPercent() || opposite.isCalculated()) { |
211 LayoutUnit containingBlockSize = | 211 if (layoutObject->isBox()) { |
212 (propertyID == CSSPropertyLeft || propertyID == CSSPropertyR
ight) ? | 212 LayoutUnit containingBlockSize = |
213 toLayoutBox(layoutObject)->containingBlockLogicalWidthForCon
tent() : | 213 (propertyID == CSSPropertyLeft || propertyID == CSSPrope
rtyRight) ? |
214 toLayoutBox(layoutObject)->containingBlockLogicalHeightForGe
tComputedStyle(); | 214 toLayoutBox(layoutObject)->containingBlockLogicalWidthFo
rContent() : |
215 return zoomAdjustedPixelValue(-floatValueForLength(opposite, con
tainingBlockSize), style); | 215 toLayoutBox(layoutObject)->containingBlockLogicalHeightF
orGetComputedStyle(); |
| 216 return zoomAdjustedPixelValue(-floatValueForLength(opposite,
containingBlockSize), style); |
| 217 } |
| 218 // FIXME: fall back to auto for position:relative, display:inli
ne |
| 219 return CSSPrimitiveValue::createIdentifier(CSSValueAuto); |
216 } | 220 } |
217 return zoomAdjustedPixelValue(-opposite.pixels(), style); | 221 |
| 222 // Length doesn't provide operator -, so multiply by -1. |
| 223 opposite *= -1.f; |
| 224 return zoomAdjustedPixelValueForLength(opposite, style); |
218 } | 225 } |
219 | 226 |
220 if (layoutObject->isOutOfFlowPositioned()) { | 227 if (layoutObject->isOutOfFlowPositioned() && layoutObject->isBox()) { |
221 // For fixed and absolute positioned elements, the top, left, bottom
, and right | 228 // For fixed and absolute positioned elements, the top, left, bottom
, and right |
222 // are defined relative to the corresponding sides of the containing
block. | 229 // are defined relative to the corresponding sides of the containing
block. |
223 LayoutBlock* container = layoutObject->containingBlock(); | 230 LayoutBlock* container = layoutObject->containingBlock(); |
224 const LayoutBox* layoutBox = toLayoutBox(layoutObject); | 231 const LayoutBox* layoutBox = toLayoutBox(layoutObject); |
225 | 232 |
226 // clientOffset is the distance from this object's border edge to th
e container's | 233 // clientOffset is the distance from this object's border edge to th
e container's |
227 // padding edge. Thus it includes margins which we subtract below. | 234 // padding edge. Thus it includes margins which we subtract below. |
228 const LayoutSize clientOffset = | 235 const LayoutSize clientOffset = |
229 layoutBox->locationOffset() - LayoutSize(container->clientLeft()
, container->clientTop()); | 236 layoutBox->locationOffset() - LayoutSize(container->clientLeft()
, container->clientTop()); |
230 LayoutUnit position; | 237 LayoutUnit position; |
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2999 case CSSPropertyAll: | 3006 case CSSPropertyAll: |
3000 return nullptr; | 3007 return nullptr; |
3001 default: | 3008 default: |
3002 break; | 3009 break; |
3003 } | 3010 } |
3004 ASSERT_NOT_REACHED(); | 3011 ASSERT_NOT_REACHED(); |
3005 return nullptr; | 3012 return nullptr; |
3006 } | 3013 } |
3007 | 3014 |
3008 } // namespace blink | 3015 } // namespace blink |
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