layout_2020: Tag fragments with their pseudo content type

This will allow us to answer queries and properly handle animations in
the future for fragments generated for pseudo content.
This commit is contained in:
Martin Robinson 2020-06-05 12:06:25 +02:00
parent 7df4655b60
commit 89855afa4d
14 changed files with 271 additions and 265 deletions

View file

@ -4,7 +4,7 @@
use crate::cell::ArcRefCell;
use crate::context::LayoutContext;
use crate::dom_traversal::{Contents, NodeExt};
use crate::dom_traversal::{Contents, NodeAndStyleInfo, NodeExt};
use crate::formatting_contexts::IndependentFormattingContext;
use crate::fragments::{BoxFragment, CollapsedBlockMargins, Fragment};
use crate::geom::flow_relative::{Rect, Sides, Vec2};
@ -71,25 +71,23 @@ pub(crate) enum AbsoluteBoxOffsets {
impl AbsolutelyPositionedBox {
pub fn construct<'dom>(
context: &LayoutContext,
node: impl NodeExt<'dom>,
style: Arc<ComputedValues>,
node_info: &NodeAndStyleInfo<impl NodeExt<'dom>>,
display_inside: DisplayInside,
contents: Contents,
) -> Self {
// "Shrink-to-fit" in https://drafts.csswg.org/css2/visudet.html#abs-non-replaced-width
let content_sizes = ContentSizesRequest::inline_if(
// If inline-size is non-auto, that value is used without shrink-to-fit
!style.inline_size_is_length() &&
!node_info.style.inline_size_is_length() &&
// If it is, then the only case where shrink-to-fit is *not* used is
// if both offsets are non-auto, leaving inline-size as the only variable
// in the constraint equation.
!style.inline_box_offsets_are_both_non_auto(),
!node_info.style.inline_box_offsets_are_both_non_auto(),
);
Self {
contents: IndependentFormattingContext::construct(
context,
node,
style,
node_info,
display_inside,
contents,
content_sizes,