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layout: Correctly take the inline size of cleared floats into account

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when estimating the inline size of block formatting contexts.

The speculated inline-size of the preceding floats was forced to zero at
the wrong time if the float was itself cleared, causing it to overwrite
the speculated value. Shuffling the code around a bit fixes the problem.
This commit is contained in:
Patrick Walton 2015-04-06 17:55:59 -07:00
parent 3c5c2f416b
commit e10af4fc98
4 changed files with 67 additions and 10 deletions
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21
components/layout/block.rs
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@ -1313,6 +1313,17 @@ impl BlockFlow {
kid_base.fixed_static_i_offset = fixed_static_i_offset;
}
// Determine float impaction, and update the inline size speculations if necessary.
if flow::base(kid).flags.contains(CLEARS_LEFT) {
inline_start_floats_impact_child = false;
inline_size_of_preceding_left_floats = Au(0);
}
if flow::base(kid).flags.contains(CLEARS_RIGHT) {
inline_end_floats_impact_child = false;
inline_size_of_preceding_right_floats = Au(0);
}
// Update the speculated inline size if this child is floated.
match flow::base(kid).flags.float_kind() {
float::T::none => {}
float::T::left => {
@ -1353,16 +1364,6 @@ impl BlockFlow {
}
}
// Determine float impaction.
if flow::base(kid).flags.contains(CLEARS_LEFT) {
inline_start_floats_impact_child = false;
inline_size_of_preceding_left_floats = Au(0);
}
if flow::base(kid).flags.contains(CLEARS_RIGHT) {
inline_end_floats_impact_child = false;
inline_size_of_preceding_right_floats = Au(0);
}
{
let kid_base = flow::mut_base(kid);
inline_start_floats_impact_child = inline_start_floats_impact_child ||