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Fix resolved value of insets to use margin box instead of content box (#33906)

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Signed-off-by: Oriol Brufau <obrufau@igalia.com>
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Oriol Brufau 2024-10-19 01:55:53 +02:00 • committed by GitHub
parent e667d2fa1b
commit 09fc988d3a
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3 changed files with 4 additions and 14 deletions
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9
components/layout_2020/fragment_tree/box_fragment.rs
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@ -289,9 +289,6 @@ impl BoxFragment {
"Should not call this method on statically positioned box."
);
let (cb_width, cb_height) = (containing_block.width(), containing_block.height());
let content_rect = self.content_rect;
if let Some(resolved_sticky_insets) = self.resolved_sticky_insets {
return resolved_sticky_insets;
}
@ -312,6 +309,7 @@ impl BoxFragment {
// used value. Otherwise the resolved value is the computed value."
// https://drafts.csswg.org/cssom/#resolved-values
let insets = self.style.get_position();
let (cb_width, cb_height) = (containing_block.width(), containing_block.height());
if position == ComputedPosition::Relative {
let get_resolved_axis = |start: &LengthPercentageOrAuto,
end: &LengthPercentageOrAuto,
@ -336,6 +334,7 @@ impl BoxFragment {
position == ComputedPosition::Fixed || position == ComputedPosition::Absolute
);
let margin_rect = self.margin_rect();
let resolve = |value: &LengthPercentageOrAuto, container_length: Au| -> Au {
value
.auto_is(LengthPercentage::zero)
@ -348,7 +347,7 @@ impl BoxFragment {
resolve(&insets.bottom, cb_height),
)
} else {
(content_rect.origin.y, cb_height - content_rect.max_y())
(margin_rect.origin.y, cb_height - margin_rect.max_y())
};
let (left, right) = if self.overconstrained.width {
(
@ -356,7 +355,7 @@ impl BoxFragment {
resolve(&insets.right, cb_width),
)
} else {
(content_rect.origin.x, cb_width - content_rect.max_x())
(margin_rect.origin.x, cb_width - margin_rect.max_x())
};
convert_to_au_or_auto(PhysicalSides::new(top, right, bottom, left))