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layout: Implement support for overflow: scroll
in WebRender.
Includes a WebRender upgrade. Improves Twitter.
This commit is contained in:
parent
bd4b3a66a2
commit
63279c316b
6 changed files with 36 additions and 12 deletions
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@ -1294,8 +1294,9 @@ impl FragmentDisplayListBuilding for Fragment {
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scroll_policy: ScrollPolicy,
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mode: StackingContextCreationMode)
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-> Box<StackingContext> {
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let use_webrender = opts::get().use_webrender;
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let border_box = match mode {
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StackingContextCreationMode::InnerScrollWrapper => {
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StackingContextCreationMode::InnerScrollWrapper if !use_webrender => {
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Rect::new(Point2D::zero(), base_flow.overflow.scroll.size)
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}
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_ => {
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@ -1308,9 +1309,12 @@ impl FragmentDisplayListBuilding for Fragment {
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}
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};
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let overflow = match mode {
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StackingContextCreationMode::InnerScrollWrapper => {
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StackingContextCreationMode::InnerScrollWrapper if !use_webrender => {
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Rect::new(Point2D::zero(), base_flow.overflow.paint.size)
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}
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StackingContextCreationMode::InnerScrollWrapper if use_webrender => {
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Rect::new(Point2D::zero(), base_flow.overflow.scroll.size)
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}
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StackingContextCreationMode::OuterScrollWrapper => {
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Rect::new(Point2D::zero(), border_box.size)
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}
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