void RenderRegion::attachRegion()
{
if (documentBeingDestroyed())
return;
// A region starts off invalid.
setIsValid(false);
// Initialize the flow thread reference and create the flow thread object if needed.
// The flow thread lifetime is influenced by the number of regions attached to it,
// and we are attaching the region to the flow thread.
installFlowThread();
if (!m_flowThread)
return;
// Only after adding the region to the thread, the region is marked to be valid.
m_flowThread->addRegionToThread(this);
// The region just got attached to the flow thread, lets check whether
// it has region styling rules associated.
checkRegionStyle();
if (!isValid())
return;
m_hasAutoLogicalHeight = shouldHaveAutoLogicalHeight();
if (hasAutoLogicalHeight())
incrementAutoLogicalHeightCount();
}
void RenderRegion::styleDidChange(StyleDifference diff, const RenderStyle* oldStyle)
{
RenderReplaced::styleDidChange(diff, oldStyle);
// If the region is not attached to any thread, there is no need to check
// whether the region has region styling since no content will be displayed
// into the region.
if (!m_flowThread) {
setHasCustomRegionStyle(false);
return;
}
checkRegionStyle();
}
void RenderNamedFlowFragment::styleDidChange(StyleDifference diff, const RenderStyle* oldStyle)
{
RenderRegion::styleDidChange(diff, oldStyle);
// If the region is not attached to any thread, there is no need to check
// whether the region has region styling since no content will be displayed
// into the region.
if (!m_flowThread) {
setHasCustomRegionStyle(false);
return;
}
checkRegionStyle();
if (parent() && parent()->needsLayout())
setNeedsLayout(MarkOnlyThis);
}
void RenderRegion::styleDidChange(StyleDifference diff, const RenderStyle* oldStyle)
{
RenderBlock::styleDidChange(diff, oldStyle);
// If the region is not attached to any thread, there is no need to check
// whether the region has region styling since no content will be displayed
// into the region.
if (!m_flowThread) {
setHasCustomRegionStyle(false);
return;
}
checkRegionStyle();
updateRegionHasAutoLogicalHeightFlag();
if (oldStyle && oldStyle->writingMode() != style()->writingMode())
m_flowThread->regionChangedWritingMode(this);
}
void RenderNamedFlowFragment::attachRegion()
{
RenderRegion::attachRegion();
if (documentBeingDestroyed() || !m_flowThread)
return;
// The region just got attached to the flow thread, lets check whether
// it has region styling rules associated.
checkRegionStyle();
if (!isValid())
return;
m_hasAutoLogicalHeight = shouldHaveAutoLogicalHeight();
if (hasAutoLogicalHeight())
incrementAutoLogicalHeightCount();
}
void RenderRegion::attachRegion()
{
if (documentBeingDestroyed())
return;
// A region starts off invalid.
setIsValid(false);
// Initialize the flow thread reference and create the flow thread object if needed.
// The flow thread lifetime is influenced by the number of regions attached to it,
// and we are attaching the region to the flow thread.
installFlowThread();
if (!m_flowThread)
return;
m_flowThread->addRegionToThread(this);
// The region just got attached to the flow thread, lets check whether
// it has region styling rules associated.
checkRegionStyle();
}
void RenderNamedFlowFragment::updateRegionFlags()
{
checkRegionStyle();
updateRegionHasAutoLogicalHeightFlag();
}
