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1 /* | 1 /* |
2 * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org> | 2 * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org> |
3 * Copyright (C) 2004, 2005, 2007, 2008, 2009 Rob Buis <buis@kde.org> | 3 * Copyright (C) 2004, 2005, 2007, 2008, 2009 Rob Buis <buis@kde.org> |
4 * Copyright (C) 2007 Eric Seidel <eric@webkit.org> | 4 * Copyright (C) 2007 Eric Seidel <eric@webkit.org> |
5 * Copyright (C) 2009 Google, Inc. | 5 * Copyright (C) 2009 Google, Inc. |
6 * Copyright (C) Research In Motion Limited 2011. All rights reserved. | 6 * Copyright (C) Research In Motion Limited 2011. All rights reserved. |
7 * | 7 * |
8 * This library is free software; you can redistribute it and/or | 8 * This library is free software; you can redistribute it and/or |
9 * modify it under the terms of the GNU Library General Public | 9 * modify it under the terms of the GNU Library General Public |
10 * License as published by the Free Software Foundation; either | 10 * License as published by the Free Software Foundation; either |
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144 LayoutSize oldSize = size(); | 144 LayoutSize oldSize = size(); |
145 updateLogicalWidth(); | 145 updateLogicalWidth(); |
146 updateLogicalHeight(); | 146 updateLogicalHeight(); |
147 buildLocalToBorderBoxTransform(); | 147 buildLocalToBorderBoxTransform(); |
148 | 148 |
149 SVGLayoutSupport::layoutResourcesIfNeeded(this); | 149 SVGLayoutSupport::layoutResourcesIfNeeded(this); |
150 | 150 |
151 SVGSVGElement* svg = toSVGSVGElement(node()); | 151 SVGSVGElement* svg = toSVGSVGElement(node()); |
152 ASSERT(svg); | 152 ASSERT(svg); |
153 m_isLayoutSizeChanged = needsLayout || (svg->hasRelativeLengths() && oldSize
!= size()); | 153 m_isLayoutSizeChanged = needsLayout || (svg->hasRelativeLengths() && oldSize
!= size()); |
| 154 // When hasRelativeLengths() is false, no descendants have relative lengths |
| 155 // (hence no one is interested in viewport size changes). |
| 156 bool layoutSizeChanged = m_isLayoutSizeChanged && svg->hasRelativeLengths(); |
| 157 |
154 // If any of this root's children need to be laid out, and a filter is | 158 // If any of this root's children need to be laid out, and a filter is |
155 // applied to it, we need to issue paint invalidations for all descendants. | 159 // applied to it, we need to issue paint invalidations for all descendants. |
156 bool forceLayoutOfChildren = needsLayout | 160 bool forceLayoutOfChildren = needsLayout |
157 || (normalChildNeedsLayout() && SVGLayoutSupport::hasFilterResource(*thi
s)); | 161 || (normalChildNeedsLayout() && SVGLayoutSupport::hasFilterResource(*thi
s)); |
| 162 |
158 const bool transformToRootChanged = false; | 163 const bool transformToRootChanged = false; |
159 SVGLayoutSupport::layoutChildren(this, forceLayoutOfChildren, transformToRoo
tChanged); | 164 SVGLayoutSupport::layoutChildren(this, forceLayoutOfChildren, transformToRoo
tChanged, layoutSizeChanged); |
160 | 165 |
161 if (m_needsBoundariesOrTransformUpdate) { | 166 if (m_needsBoundariesOrTransformUpdate) { |
162 updateCachedBoundaries(); | 167 updateCachedBoundaries(); |
163 m_needsBoundariesOrTransformUpdate = false; | 168 m_needsBoundariesOrTransformUpdate = false; |
164 } | 169 } |
165 | 170 |
166 m_overflow.clear(); | 171 m_overflow.clear(); |
167 addVisualEffectOverflow(); | 172 addVisualEffectOverflow(); |
168 | 173 |
169 if (!shouldApplyViewportClip()) { | 174 if (!shouldApplyViewportClip()) { |
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409 updateHitTestResult(result, pointInBorderBox); | 414 updateHitTestResult(result, pointInBorderBox); |
410 if (result.addNodeToListBasedTestResult(node(), locationInContainer,
boundsRect) == StopHitTesting) | 415 if (result.addNodeToListBasedTestResult(node(), locationInContainer,
boundsRect) == StopHitTesting) |
411 return true; | 416 return true; |
412 } | 417 } |
413 } | 418 } |
414 | 419 |
415 return false; | 420 return false; |
416 } | 421 } |
417 | 422 |
418 } // namespace blink | 423 } // namespace blink |
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