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layout_2020: Use ArcRefCell in the fragment tree

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This will allow mutability which is useful for things like animations.
This commit is contained in:
Martin Robinson 2020-03-25 10:08:13 +01:00
parent 07f6d783a3
commit 7cb0069be5
4 changed files with 133 additions and 114 deletions
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7
components/layout_2020/positioned.rs
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@ -2,6 +2,7 @@
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
use crate::cell::ArcRefCell;
use crate::context::LayoutContext;
use crate::dom_traversal::{Contents, NodeExt};
use crate::formatting_contexts::IndependentFormattingContext;
@ -282,7 +283,11 @@ impl PositioningContext {
hoisted_boxes = take_hoisted_boxes_pending_layout(self);
}
new_fragment.children.extend(laid_out_child_fragments);
new_fragment.children.extend(
laid_out_child_fragments
.into_iter()
.map(|fragment| ArcRefCell::new(fragment)),
);
}
pub(crate) fn push(&mut self, box_: HoistedAbsolutelyPositionedBox) {