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layout: Minor whitespace cleanup.

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This commit is contained in:
Patrick Walton 2016-03-25 15:28:59 -07:00
parent 24d81e95b4
commit aee0c44509
1 changed files with 14 additions and 8 deletions
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18
components/layout/model.rs
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@ -239,25 +239,31 @@ impl MarginCollapseInfo {
/// Adds the child's potentially collapsible block-end margin to the current margin state and
/// advances the Y offset by the appropriate amount to handle that margin. Returns the amount
/// that should be added to the Y offset during block layout.
pub fn advance_block_end_margin(&mut self, child_collapsible_margins: &CollapsibleMargins) -> Au {
pub fn advance_block_end_margin(&mut self, child_collapsible_margins: &CollapsibleMargins)
-> Au {
match (self.state, *child_collapsible_margins) {
(MarginCollapseState::AccumulatingCollapsibleTopMargin, CollapsibleMargins::None(..)) |
(MarginCollapseState::AccumulatingCollapsibleTopMargin, CollapsibleMargins::Collapse(..)) => {
(MarginCollapseState::AccumulatingCollapsibleTopMargin,
CollapsibleMargins::Collapse(..)) => {
// Can't happen because the state will have been replaced with
// `MarginCollapseState::AccumulatingMarginIn` above.
panic!("should not be accumulating collapsible block_start margins anymore!")
}
(MarginCollapseState::AccumulatingCollapsibleTopMargin, CollapsibleMargins::CollapseThrough(margin)) => {
(MarginCollapseState::AccumulatingCollapsibleTopMargin,
CollapsibleMargins::CollapseThrough(margin)) => {
self.block_start_margin.union(margin);
Au(0)
}
(MarginCollapseState::AccumulatingMarginIn, CollapsibleMargins::None(_, block_end)) => {
(MarginCollapseState::AccumulatingMarginIn,
CollapsibleMargins::None(_, block_end)) => {
assert_eq!(self.margin_in.most_positive, Au(0));
assert_eq!(self.margin_in.most_negative, Au(0));
block_end
}
(MarginCollapseState::AccumulatingMarginIn, CollapsibleMargins::Collapse(_, block_end)) |
(MarginCollapseState::AccumulatingMarginIn, CollapsibleMargins::CollapseThrough(block_end)) => {
(MarginCollapseState::AccumulatingMarginIn,
CollapsibleMargins::Collapse(_, block_end)) |
(MarginCollapseState::AccumulatingMarginIn,
CollapsibleMargins::CollapseThrough(block_end)) => {
self.margin_in.union(block_end);
Au(0)
}