Shrink-to-fit inline-blocks with width set to auto

This commit is contained in:
Matthew Rasmus 2015-01-26 10:57:37 -08:00
parent 5b340599f2
commit 846fc6453a

View file

@ -2153,7 +2153,7 @@ pub trait ISizeAndMarginsComputer {
/// available_inline-size
/// where available_inline-size = CB inline-size - (horizontal border + padding)
fn solve_block_inline_size_constraints(&self,
_: &mut BlockFlow,
block: &mut BlockFlow,
input: &ISizeConstraintInput)
-> ISizeConstraintSolution {
let (computed_inline_size, inline_start_margin, inline_end_margin, available_inline_size) =
@ -2180,7 +2180,7 @@ pub trait ISizeAndMarginsComputer {
// Invariant: inline-start_margin + inline-size + inline-end_margin ==
// available_inline-size
let (inline_start_margin, inline_size, inline_end_margin) =
let (inline_start_margin, mut inline_size, inline_end_margin) =
match (inline_start_margin, computed_inline_size, inline_end_margin) {
// If all have a computed value other than 'auto', the system is
// over-constrained so we discard the end margin.
@ -2213,6 +2213,13 @@ pub trait ISizeAndMarginsComputer {
(margin, inline_size, margin)
}
};
// If inline-size is set to 'auto', and this is an inline block, use the
// shrink to fit algorithm (see CSS 2.1 § 10.3.9)
if computed_inline_size == MaybeAuto::Auto && block.is_inline_block() {
inline_size = block.get_shrink_to_fit_inline_size(inline_size);
}
ISizeConstraintSolution::new(inline_size, inline_start_margin, inline_end_margin)
}
}