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Create FlexFlow's for 'display: flex' nodes.

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This commit doesn't implement any flexbox behavior at all.
It just constructs FlexFlow's, which act just like the BlockFlow from
which they "inherit."
This commit is contained in:
Kyle Zentner 2015-07-17 20:45:42 -07:00 • committed by Patrick Walton
parent 45b7ee9bdb
commit 0488a36862
6 changed files with 286 additions and 1 deletions
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9
components/layout/flow.rs
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@ -517,6 +517,7 @@ pub enum FlowClass {
TableCaption,
TableCell,
Multicol,
Flex,
}
/// A top-down traversal.
@ -1173,6 +1174,8 @@ impl<'a> ImmutableFlowUtils for &'a Flow {
FlowClass::Table => !child.is_proper_table_child(),
FlowClass::TableRowGroup => !child.is_table_row(),
FlowClass::TableRow => !child.is_table_cell(),
// FIXME(zentner): According to spec, anonymous flex items are only needed for text.
FlowClass::Flex => child.is_inline_flow(),
_ => false
}
}
@ -1210,6 +1213,12 @@ impl<'a> ImmutableFlowUtils for &'a Flow {
let hide = node.style().get_inheritedtable().empty_cells == empty_cells::T::hide;
Arc::new(TableCellFlow::from_node_fragment_and_visibility_flag(node, fragment, !hide))
},
FlowClass::Flex => {
let fragment =
Fragment::new_anonymous_from_specific_info(node,
SpecificFragmentInfo::Generic);
box BlockFlow::from_fragment(fragment, None) as Box<Flow>
},
_ => {
panic!("no need to generate a missing child")
}