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refactor(layout_2020): add depth parameter to the closure passed to FragmentTree::find

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This commit is contained in:
yvt 2021-06-16 00:40:38 +09:00
parent 98cffa3d16
commit 638941ac43
3 changed files with 19 additions and 16 deletions
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23
components/layout_2020/fragments.rs
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@ -227,9 +227,10 @@ impl Fragment {
pub(crate) fn find<T>(
&self,
containing_block: &PhysicalRect<Length>,
process_func: &mut impl FnMut(&Fragment, &PhysicalRect<Length>) -> Option<T>,
level: usize,
process_func: &mut impl FnMut(&Fragment, usize, &PhysicalRect<Length>) -> Option<T>,
) -> Option<T> {
if let Some(result) = process_func(self, containing_block) {
if let Some(result) = process_func(self, level, containing_block) {
return Some(result);
}
@ -239,20 +240,22 @@ impl Fragment {
.content_rect
.to_physical(fragment.style.writing_mode, containing_block)
.translate(containing_block.origin.to_vector());
fragment
.children
.iter()
.find_map(|child| child.borrow().find(&new_containing_block, process_func))
fragment.children.iter().find_map(|child| {
child
.borrow()
.find(&new_containing_block, level + 1, process_func)
})
},
Fragment::Anonymous(fragment) => {
let new_containing_block = fragment
.rect
.to_physical(fragment.mode, containing_block)
.translate(containing_block.origin.to_vector());
fragment
.children
.iter()
.find_map(|child| child.borrow().find(&new_containing_block, process_func))
fragment.children.iter().find_map(|child| {
child
.borrow()
.find(&new_containing_block, level + 1, process_func)
})
},
_ => None,
}