inline void RenderBlockFlow::layoutBlockFlow(bool relayoutChildren, SubtreeLayoutScope& layoutScope)
{
LayoutUnit oldLeft = logicalLeft();
bool logicalWidthChanged = updateLogicalWidthAndColumnWidth();
relayoutChildren |= logicalWidthChanged;
LayoutState state(*this, locationOffset(), logicalWidthChanged);
LayoutUnit beforeEdge = borderBefore() + paddingBefore();
LayoutUnit afterEdge = borderAfter() + paddingAfter();
LayoutUnit previousHeight = logicalHeight();
setLogicalHeight(beforeEdge);
m_paintInvalidationLogicalTop = 0;
m_paintInvalidationLogicalBottom = 0;
if (!firstChild() && !isAnonymousBlock())
setChildrenInline(true);
if (childrenInline())
layoutInlineChildren(relayoutChildren, m_paintInvalidationLogicalTop, m_paintInvalidationLogicalBottom, afterEdge);
else
layoutBlockChildren(relayoutChildren, layoutScope, beforeEdge, afterEdge);
LayoutUnit oldClientAfterEdge = clientLogicalBottom();
updateLogicalHeight();
if (previousHeight != logicalHeight())
relayoutChildren = true;
layoutPositionedObjects(relayoutChildren || isDocumentElement(), oldLeft != logicalLeft() ? ForcedLayoutAfterContainingBlockMoved : DefaultLayout);
// Add overflow from children (unless we're multi-column, since in that case all our child overflow is clipped anyway).
computeOverflow(oldClientAfterEdge);
}
void RenderGrid::layoutBlock(bool relayoutChildren, LayoutUnit)
{
ASSERT(needsLayout());
if (!relayoutChildren && simplifiedLayout())
return;
// FIXME: Much of this method is boiler plate that matches RenderBox::layoutBlock and Render*FlexibleBox::layoutBlock.
// It would be nice to refactor some of the duplicate code.
LayoutRepainter repainter(*this, checkForRepaintDuringLayout());
LayoutStateMaintainer statePusher(view(), this, locationOffset(), hasTransform() || hasReflection() || style()->isFlippedBlocksWritingMode());
if (inRenderFlowThread()) {
// Regions changing widths can force us to relayout our children.
if (logicalWidthChangedInRegions())
relayoutChildren = true;
}
computeInitialRegionRangeForBlock();
LayoutSize previousSize = size();
setLogicalHeight(0);
computeLogicalWidth();
m_overflow.clear();
layoutGridItems();
LayoutUnit oldClientAfterEdge = clientLogicalBottom();
computeLogicalHeight();
if (size() != previousSize)
relayoutChildren = true;
layoutPositionedObjects(relayoutChildren || isRoot());
computeRegionRangeForBlock();
computeOverflow(oldClientAfterEdge);
statePusher.pop();
updateLayerTransform();
// Update our scroll information if we're overflow:auto/scroll/hidden now that we know if
// we overflow or not.
if (hasOverflowClip())
layer()->updateScrollInfoAfterLayout();
repainter.repaintAfterLayout();
setNeedsLayout(false);
}
void RenderRubyRun::layout()
{
RenderBlock::layout();
RenderRubyText* rt = rubyText();
if (!rt)
return;
rt->setLogicalLeft(0);
// Place the RenderRubyText such that its bottom is flush with the lineTop of the first line of the RenderRubyBase.
LayoutUnit lastLineRubyTextBottom = rt->logicalHeight();
LayoutUnit firstLineRubyTextTop = 0;
RootInlineBox* rootBox = rt->lastRootBox();
if (rootBox) {
// In order to align, we have to ignore negative leading.
firstLineRubyTextTop = rt->firstRootBox()->logicalTopLayoutOverflow();
lastLineRubyTextBottom = rootBox->logicalBottomLayoutOverflow();
}
if (style()->isFlippedLinesWritingMode() == (style()->rubyPosition() == RubyPositionAfter)) {
LayoutUnit firstLineTop = 0;
if (RenderRubyBase* rb = rubyBase()) {
RootInlineBox* rootBox = rb->firstRootBox();
if (rootBox)
firstLineTop = rootBox->logicalTopLayoutOverflow();
firstLineTop += rb->logicalTop();
}
rt->setLogicalTop(-lastLineRubyTextBottom + firstLineTop);
} else {
LayoutUnit lastLineBottom = logicalHeight();
if (RenderRubyBase* rb = rubyBase()) {
RootInlineBox* rootBox = rb->lastRootBox();
if (rootBox)
lastLineBottom = rootBox->logicalBottomLayoutOverflow();
lastLineBottom += rb->logicalTop();
}
rt->setLogicalTop(-firstLineRubyTextTop + lastLineBottom);
}
// Update our overflow to account for the new RenderRubyText position.
computeOverflow(clientLogicalBottom());
}