void FlowThreadController::updateFlowThreadsIntoFinalPhase()
{
for (auto iter = m_renderNamedFlowThreadList->rbegin(), end = m_renderNamedFlowThreadList->rend(); iter != end; ++iter) {
RenderNamedFlowThread* flowRenderer = *iter;
flowRenderer->layoutIfNeeded();
if (flowRenderer->needsTwoPhasesLayout()) {
flowRenderer->markRegionsForOverflowLayoutIfNeeded();
flowRenderer->clearNeedsTwoPhasesLayout();
}
flowRenderer->setLayoutPhase(RenderFlowThread::LayoutPhaseFinal);
}
}
void FlowThreadController::updateFlowThreadsIntoOverflowPhase()
{
for (auto iter = m_renderNamedFlowThreadList->rbegin(), end = m_renderNamedFlowThreadList->rend(); iter != end; ++iter) {
RenderNamedFlowThread* flowRenderer = *iter;
ASSERT(!flowRenderer->hasRegions() || flowRenderer->hasValidRegionInfo());
ASSERT(!flowRenderer->needsTwoPhasesLayout());
// In the overflow computation phase the flow threads start in the constrained phase even though optimizations didn't set the state before.
flowRenderer->setLayoutPhase(RenderFlowThread::LayoutPhaseConstrained);
flowRenderer->layoutIfNeeded();
flowRenderer->markRegionsForOverflowLayoutIfNeeded();
flowRenderer->setLayoutPhase(RenderFlowThread::LayoutPhaseOverflow);
}
}