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layout: Block formatting contexts should contain all their floats.

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Improves Pinterest considerably.
This commit is contained in:
Patrick Walton 2014-09-25 16:25:18 -07:00
parent 20f5fdd000
commit 36f3f5a0ab
4 changed files with 24 additions and 2 deletions
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6
components/layout/block.rs
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@ -978,13 +978,15 @@ impl BlockFlow {
// root element as having `overflow: scroll` and use the layers-based scrolling
// infrastructure to make it scrollable.
let mut block_size = cur_b - block_start_offset;
if self.is_root() {
let is_root = self.is_root();
if is_root {
let screen_size = LogicalSize::from_physical(
self.fragment.style.writing_mode, layout_context.shared.screen_size);
block_size = Au::max(screen_size.block, block_size)
}
if self.is_float() || self.is_absolutely_positioned() {
if is_root || self.formatting_context_type() != NonformattingContext ||
self.is_absolutely_positioned() {
// The content block-size includes all the floats per CSS 2.1 § 10.6.7. The easiest way
// to handle this is to just treat this as clearance.
block_size = block_size + floats.clearance(ClearBoth);