RenderLayerScrollableArea::~RenderLayerScrollableArea() { if (!box().documentBeingDestroyed()) { Node* node = box().node(); if (node && node->isElementNode()) toElement(node)->setSavedLayerScrollOffset(m_scrollOffset); } destroyScrollbar(HorizontalScrollbar); destroyScrollbar(VerticalScrollbar); }
void RenderLayerScrollableArea::setHasVerticalScrollbar(bool hasScrollbar) { if (hasScrollbar == hasVerticalScrollbar()) return; if (hasScrollbar) { // Hits in compositing/overflow/automatically-opt-into-composited-scrolling-after-style-change.html DisableCompositingQueryAsserts disabler; m_vBar = createScrollbar(VerticalScrollbar); } else { destroyScrollbar(VerticalScrollbar); } }
void RenderLayerScrollableArea::setHasHorizontalScrollbar(bool hasScrollbar) { if (hasScrollbar == hasHorizontalScrollbar()) return; if (hasScrollbar) { // This doesn't hit in any tests, but since the equivalent code in setHasVerticalScrollbar // does, presumably this code does as well. DisableCompositingQueryAsserts disabler; m_hBar = createScrollbar(HorizontalScrollbar); } else { destroyScrollbar(HorizontalScrollbar); } }
void ScrollbarManager::dispose() { m_hBarIsAttached = m_vBarIsAttached = 0; destroyScrollbar(HorizontalScrollbar); destroyScrollbar(VerticalScrollbar); }