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layout: Make percentages in top and bottom for relative positions

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relative to height, not width.

Improves etsy.com.

Closes #13760.
This commit is contained in:
Patrick Walton 2016-10-13 22:50:27 -07:00
parent 0f4209644c
commit d5443ee450
14 changed files with 81 additions and 40 deletions
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25
components/layout/block.rs
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@ -753,6 +753,17 @@ impl BlockFlow {
}
}
/// Writes in the size of the relative containing block for children. (This information
/// is also needed to handle RTL.)
fn propagate_early_absolute_position_info_to_children(&mut self) {
for kid in self.base.child_iter_mut() {
flow::mut_base(kid).early_absolute_position_info = EarlyAbsolutePositionInfo {
relative_containing_block_size: self.fragment.content_box().size,
relative_containing_block_mode: self.fragment.style().writing_mode,
}
}
}
/// Assign block-size for current flow.
///
/// * Collapse margins for flow's children and set in-flow child flows' block offsets now that
@ -1011,16 +1022,9 @@ impl BlockFlow {
self.fragment.border_box.size.block = block_size;
}
// Write in the size of the relative containing block for children. (This information
// is also needed to handle RTL.)
for kid in self.base.child_iter_mut() {
flow::mut_base(kid).early_absolute_position_info = EarlyAbsolutePositionInfo {
relative_containing_block_size: self.fragment.content_box().size,
relative_containing_block_mode: self.fragment.style().writing_mode,
};
}
if self.base.flags.contains(IS_ABSOLUTELY_POSITIONED) {
self.propagate_early_absolute_position_info_to_children();
return None
}
@ -1050,10 +1054,9 @@ impl BlockFlow {
// position.
self.fragment.border_box.size.block = cur_b;
self.fragment.border_box.start.b = Au(0);
self.base.position.size.block = cur_b;
if !self.base.flags.contains(IS_ABSOLUTELY_POSITIONED) {
self.base.position.size.block = cur_b;
}
self.propagate_early_absolute_position_info_to_children();
// Translate the current set of floats back into the parent coordinate system in the
// inline direction, and store them in the flow so that flows that come later in the