author | Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com> |
Mon, 30 Mar 2009 12:54:55 +0300 | |
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permissions | -rw-r--r-- |
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/** |
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* This file is part of the DOM implementation for KDE. |
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* |
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* Copyright (C) 1997 Martin Jones (mjones@kde.org) |
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* (C) 1997 Torben Weis (weis@kde.org) |
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* (C) 1998 Waldo Bastian (bastian@kde.org) |
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* (C) 1999 Lars Knoll (knoll@kde.org) |
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* (C) 1999 Antti Koivisto (koivisto@kde.org) |
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* Copyright (C) 2003, 2004, 2005, 2006 Apple Computer, Inc. |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Library General Public |
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* License as published by the Free Software Foundation; either |
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* version 2 of the License, or (at your option) any later version. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Library General Public License for more details. |
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* |
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* You should have received a copy of the GNU Library General Public License |
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* along with this library; see the file COPYING.LIB. If not, write to |
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
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* Boston, MA 02110-1301, USA. |
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*/ |
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#include "config.h" |
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#include "RenderTableRow.h" |
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#include "CachedImage.h" |
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#include "Document.h" |
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#include "HTMLNames.h" |
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#include "RenderTableCell.h" |
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#include "RenderView.h" |
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namespace WebCore { |
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using namespace HTMLNames; |
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RenderTableRow::RenderTableRow(Node* node) |
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: RenderContainer(node) |
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{ |
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// init RenderObject attributes |
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setInline(false); // our object is not Inline |
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} |
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void RenderTableRow::destroy() |
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{ |
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RenderTableSection* recalcSection = section(); |
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RenderContainer::destroy(); |
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if (recalcSection) |
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recalcSection->setNeedsCellRecalc(); |
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} |
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void RenderTableRow::setStyle(RenderStyle* newStyle) |
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{ |
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if (section() && style() && style()->height() != newStyle->height()) |
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section()->setNeedsCellRecalc(); |
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newStyle->setDisplay(TABLE_ROW); |
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RenderContainer::setStyle(newStyle); |
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} |
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void RenderTableRow::addChild(RenderObject* child, RenderObject* beforeChild) |
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{ |
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// Make sure we don't append things after :after-generated content if we have it. |
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if (!beforeChild && isAfterContent(lastChild())) |
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beforeChild = lastChild(); |
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bool isTableRow = element() && element()->hasTagName(trTag); |
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if (!child->isTableCell()) { |
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if (isTableRow && child->element() && child->element()->hasTagName(formTag) && document()->isHTMLDocument()) { |
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RenderContainer::addChild(child, beforeChild); |
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return; |
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} |
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RenderObject* last = beforeChild; |
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if (!last) |
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last = lastChild(); |
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if (last && last->isAnonymous() && last->isTableCell()) { |
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last->addChild(child); |
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return; |
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} |
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// If beforeChild is inside an anonymous cell, insert into the cell. |
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if (last && !last->isTableCell() && last->parent() && last->parent()->isAnonymous()) { |
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last->parent()->addChild(child, beforeChild); |
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return; |
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} |
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RenderTableCell* cell = new (renderArena()) RenderTableCell(document() /* anonymous object */); |
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RenderStyle* newStyle = new (renderArena()) RenderStyle(); |
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newStyle->inheritFrom(style()); |
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newStyle->setDisplay(TABLE_CELL); |
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cell->setStyle(newStyle); |
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addChild(cell, beforeChild); |
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cell->addChild(child); |
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return; |
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} |
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// If the next renderer is actually wrapped in an anonymous table cell, we need to go up and find that. |
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while (beforeChild && !beforeChild->isTableCell()) |
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beforeChild = beforeChild->parent(); |
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RenderTableCell* cell = static_cast<RenderTableCell*>(child); |
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110 |
|
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// Generated content can result in us having a null section so make sure to null check our parent. |
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if (parent()) |
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section()->addCell(cell, this); |
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114 |
|
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RenderContainer::addChild(cell, beforeChild); |
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116 |
|
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if (beforeChild || nextSibling()) |
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section()->setNeedsCellRecalc(); |
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} |
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120 |
|
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void RenderTableRow::layout() |
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122 |
{ |
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ASSERT(needsLayout()); |
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124 |
|
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// Table rows do not add translation. |
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view()->pushLayoutState(this, IntSize()); |
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127 |
|
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for (RenderObject* child = firstChild(); child; child = child->nextSibling()) { |
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if (child->isTableCell()) { |
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RenderTableCell* cell = static_cast<RenderTableCell*>(child); |
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if (child->needsLayout()) { |
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cell->calcVerticalMargins(); |
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cell->layout(); |
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134 |
} |
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135 |
} |
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136 |
} |
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137 |
|
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// We only ever need to repaint if our cells didn't, which menas that they didn't need |
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// layout, so we know that our bounds didn't change. This code is just making up for |
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// the fact that we did not repaint in setStyle() because we had a layout hint. |
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141 |
// We cannot call repaint() because our absoluteClippedOverflowRect() is taken from the |
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// parent table, and being mid-layout, that is invalid. Instead, we repaint our cells. |
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if (selfNeedsLayout() && checkForRepaintDuringLayout()) { |
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for (RenderObject* child = firstChild(); child; child = child->nextSibling()) { |
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145 |
if (child->isTableCell()) |
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146 |
child->repaint(); |
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} |
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148 |
} |
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149 |
|
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view()->popLayoutState(); |
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setNeedsLayout(false); |
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152 |
} |
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153 |
|
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IntRect RenderTableRow::absoluteClippedOverflowRect() |
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155 |
{ |
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156 |
// For now, just repaint the whole table. |
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157 |
// FIXME: Find a better way to do this, e.g., need to repaint all the cells that we |
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// might have propagated a background color into. |
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if (RenderTable* parentTable = table()) |
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return parentTable->absoluteClippedOverflowRect(); |
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161 |
|
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return IntRect(); |
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163 |
} |
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164 |
|
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165 |
// Hit Testing |
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bool RenderTableRow::nodeAtPoint(const HitTestRequest& request, HitTestResult& result, int x, int y, int tx, int ty, HitTestAction action) |
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167 |
{ |
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// Table rows cannot ever be hit tested. Effectively they do not exist. |
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169 |
// Just forward to our children always. |
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170 |
for (RenderObject* child = lastChild(); child; child = child->previousSibling()) { |
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171 |
// FIXME: We have to skip over inline flows, since they can show up inside table rows |
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172 |
// at the moment (a demoted inline <form> for example). If we ever implement a |
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173 |
// table-specific hit-test method (which we should do for performance reasons anyway), |
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174 |
// then we can remove this check. |
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175 |
if (!child->hasLayer() && !child->isInlineFlow() && child->nodeAtPoint(request, result, x, y, tx, ty, action)) { |
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176 |
updateHitTestResult(result, IntPoint(x - tx, y - ty)); |
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177 |
return true; |
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178 |
} |
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179 |
} |
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180 |
|
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181 |
return false; |
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182 |
} |
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183 |
|
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184 |
void RenderTableRow::paint(PaintInfo& paintInfo, int tx, int ty) |
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185 |
{ |
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ASSERT(m_layer); |
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if (!m_layer) |
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188 |
return; |
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189 |
|
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190 |
for (RenderObject* child = firstChild(); child; child = child->nextSibling()) { |
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191 |
if (child->isTableCell()) { |
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192 |
// Paint the row background behind the cell. |
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193 |
if (paintInfo.phase == PaintPhaseBlockBackground || paintInfo.phase == PaintPhaseChildBlockBackground) { |
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194 |
RenderTableCell* cell = static_cast<RenderTableCell*>(child); |
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195 |
cell->paintBackgroundsBehindCell(paintInfo, tx, ty, this); |
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196 |
} |
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197 |
if (!child->hasLayer()) |
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198 |
child->paint(paintInfo, tx, ty); |
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199 |
} |
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200 |
} |
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201 |
} |
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202 |
|
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void RenderTableRow::imageChanged(CachedImage* image) |
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204 |
{ |
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205 |
if (!image || !image->canRender() || !parent()) |
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206 |
return; |
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207 |
|
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208 |
// FIXME: Examine cells and repaint only the rect the image paints in. |
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209 |
repaint(); |
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210 |
} |
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211 |
|
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212 |
} // namespace WebCore |