void RenderFlowThread::setRegionRangeForBox(const RenderBox* box, LayoutUnit offsetFromLogicalTopOfFirstPage)
{
if (!hasRegions())
return;
// FIXME: Not right for differing writing-modes.
RenderRegion* startRegion = regionAtBlockOffset(offsetFromLogicalTopOfFirstPage, true);
RenderRegion* endRegion = regionAtBlockOffset(offsetFromLogicalTopOfFirstPage + box->logicalHeight(), true);
RenderRegionRangeMap::iterator it = m_regionRangeMap.find(box);
if (it == m_regionRangeMap.end()) {
m_regionRangeMap.set(box, RenderRegionRange(startRegion, endRegion));
clearRenderObjectCustomStyle(box);
return;
}
// If nothing changed, just bail.
RenderRegionRange& range = it->value;
if (range.startRegion() == startRegion && range.endRegion() == endRegion)
return;
// Delete any info that we find before our new startRegion and after our new endRegion.
for (RenderRegionList::iterator iter = m_regionList.begin(); iter != m_regionList.end(); ++iter) {
RenderRegion* region = *iter;
if (region == startRegion) {
iter = m_regionList.find(endRegion);
continue;
}
region->removeRenderBoxRegionInfo(box);
if (region == range.endRegion())
break;
}
clearRenderObjectCustomStyle(box, range.startRegion(), range.endRegion(), startRegion, endRegion);
range.setRange(startRegion, endRegion);
}
void RenderFlowThread::removeFlowChildInfo(RenderObject* child)
{
if (child->isBox())
removeRenderBoxRegionInfo(toRenderBox(child));
clearRenderObjectCustomStyle(child);
}
void RenderNamedFlowThread::removeFlowChildInfo(RenderObject* child)
{
RenderFlowThread::removeFlowChildInfo(child);
clearRenderObjectCustomStyle(child);
}
