void RenderWidget::resumeWidgetHierarchyUpdates()
{
ASSERT(widgetHierarchyUpdateSuspendCount);
if (widgetHierarchyUpdateSuspendCount == 1) {
WidgetToParentMap map = widgetNewParentMap();
widgetNewParentMap().clear();
WidgetToParentMap::iterator end = map.end();
for (WidgetToParentMap::iterator it = map.begin(); it != end; ++it) {
Widget* child = it->first.get();
ScrollView* currentParent = child->parent();
FrameView* newParent = it->second;
if (newParent != currentParent) {
if (currentParent)
currentParent->removeChild(child);
if (newParent)
newParent->addChild(child);
}
}
}
widgetHierarchyUpdateSuspendCount--;
}
RenderWidget::UpdateSuspendScope::~UpdateSuspendScope()
{
ASSERT(s_updateSuspendCount > 0);
if (s_updateSuspendCount == 1) {
WidgetToParentMap map;
widgetNewParentMap().swap(map);
WidgetToParentMap::iterator end = map.end();
for (WidgetToParentMap::iterator it = map.begin(); it != end; ++it) {
Widget* child = it->key.get();
ScrollView* currentParent = toScrollView(child->parent());
FrameView* newParent = it->value;
if (newParent != currentParent) {
if (currentParent)
currentParent->removeChild(child);
if (newParent)
newParent->addChild(child);
}
}
}
--s_updateSuspendCount;
}