| Outer scrolling content |
| Inner scrolling content |
| Fixed background |
| |
| (scrolling tree |
| (frame scrolling node |
| (scrollable area size width=800 height=600) |
| (total content size width=800 height=600) |
| (last committed scroll position (0,0)) |
| (scrollable area parameters |
| (horizontal scroll elasticity 2) |
| (vertical scroll elasticity 2) |
| (horizontal scrollbar mode 0) |
| (vertical scrollbar mode 0)) |
| (synchronous scrolling reasons Has slow repaint objects, Has slow repaint descendant scrollers) |
| (layout viewport (0,0) width=800 height=600) |
| (min layoutViewport origin (0,0)) |
| (max layoutViewport origin (0,0)) |
| (behavior for fixed 0) |
| (overflow scrolling node |
| (scrollable area size width=405 height=305) |
| (total content size width=405 height=1020) |
| (last committed scroll position (0,0)) |
| (scrollable area parameters |
| (horizontal scroll elasticity 0) |
| (vertical scroll elasticity 0) |
| (horizontal scrollbar mode 0) |
| (vertical scrollbar mode 0) |
| (allows vertical scrolling 1)) |
| (synchronous scrolling reasons Has slow repaint descendant scrollers) |
| (positioned node |
| (layout constraints |
| (layer-position-at-last-layout (10,128))) |
| (related overflow nodes 1) |
| (overflow scrolling node |
| (scrollable area size width=355 height=305) |
| (total content size width=410 height=1020) |
| (last committed scroll position (0,0)) |
| (scrollable area parameters |
| (horizontal scroll elasticity 0) |
| (vertical scroll elasticity 0) |
| (horizontal scrollbar mode 0) |
| (vertical scrollbar mode 0) |
| (allows horizontal scrolling 1) |
| (allows vertical scrolling 1)) |
| (synchronous scrolling reasons Has slow repaint objects)))))) |
| |