void RenderNamedFlowThread::removeRegionFromThread(RenderRegion* renderRegion)
{
ASSERT(renderRegion);
m_regionRangeMap.clear();
m_regionList.remove(renderRegion);
if (renderRegion->parentNamedFlowThread()) {
if (!renderRegion->isValid()) {
renderRegion->parentNamedFlowThread()->m_observerThreadsSet.remove(this);
// No need to invalidate the regions rectangles. The removed region
// was not taken into account. Just return here.
return;
}
removeDependencyOnFlowThread(renderRegion->parentNamedFlowThread());
}
if (canBeDestroyed())
setMarkForDestruction();
// After removing all the regions in the flow the following layout needs to dispatch the regionLayoutUpdate event
if (m_regionList.isEmpty())
setDispatchRegionLayoutUpdateEvent(true);
invalidateRegions();
}
void RenderNamedFlowThread::removeRegionFromThread(RenderRegion* renderRegion)
{
ASSERT(renderRegion);
RenderNamedFlowFragment* renderNamedFlowFragment = toRenderNamedFlowFragment(renderRegion);
if (renderNamedFlowFragment->parentNamedFlowThread()) {
if (!renderNamedFlowFragment->isValid()) {
ASSERT(m_invalidRegionList.contains(renderNamedFlowFragment));
m_invalidRegionList.remove(renderNamedFlowFragment);
renderNamedFlowFragment->parentNamedFlowThread()->m_observerThreadsSet.remove(this);
// No need to invalidate the regions rectangles. The removed region
// was not taken into account. Just return here.
return;
}
removeDependencyOnFlowThread(renderNamedFlowFragment->parentNamedFlowThread());
}
ASSERT(m_regionList.contains(renderNamedFlowFragment));
bool wasFirst = m_regionList.first() == renderNamedFlowFragment;
m_regionList.remove(renderNamedFlowFragment);
if (canBeDestroyed())
setMarkForDestruction();
if (!m_regionList.isEmpty() && wasFirst)
updateWritingMode();
invalidateRegions();
}
