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Make IndependentFormattingContext an enum

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This commit is contained in:
Anthony Ramine 2020-06-15 14:40:01 +02:00
parent 07d8c28d4a
commit db80b8e3c1
6 changed files with 183 additions and 163 deletions
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71
components/layout_2020/flow/mod.rs
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@ -8,7 +8,9 @@ use crate::cell::ArcRefCell;
use crate::context::LayoutContext;
use crate::flow::float::{FloatBox, FloatContext};
use crate::flow::inline::InlineFormattingContext;
use crate::formatting_contexts::{IndependentFormattingContext, IndependentLayout, NonReplacedIFC};
use crate::formatting_contexts::{
IndependentFormattingContext, IndependentLayout, NonReplacedFormattingContext,
};
use crate::fragments::{
AbsoluteOrFixedPositionedFragment, AnonymousFragment, BoxFragment, CollapsedBlockMargins,
CollapsedMargin, Fragment, Tag,
@ -288,32 +290,43 @@ impl BlockLevelBox {
)
},
)),
BlockLevelBox::Independent(independent) => {
Fragment::Box(positioning_context.layout_maybe_position_relative_fragment(
layout_context,
containing_block,
&independent.style,
|positioning_context| match independent.contents.as_replaced() {
Ok(replaced) => layout_in_flow_replaced_block_level(
containing_block,
independent.tag,
&independent.style,
replaced,
),
Err(non_replaced) => layout_in_flow_non_replaced_block_level(
layout_context,
positioning_context,
containing_block,
independent.tag,
&independent.style,
NonReplacedContents::EstablishesAnIndependentFormattingContext(
non_replaced,
),
tree_rank,
float_context,
),
},
))
BlockLevelBox::Independent(independent) => match independent {
IndependentFormattingContext::Replaced(replaced) => {
Fragment::Box(positioning_context.layout_maybe_position_relative_fragment(
layout_context,
containing_block,
&replaced.style,
|_positioning_context| {
layout_in_flow_replaced_block_level(
containing_block,
replaced.tag,
&replaced.style,
&replaced.contents,
)
},
))
},
IndependentFormattingContext::NonReplaced(non_replaced) => {
Fragment::Box(positioning_context.layout_maybe_position_relative_fragment(
layout_context,
containing_block,
&non_replaced.style,
|positioning_context| {
layout_in_flow_non_replaced_block_level(
layout_context,
positioning_context,
containing_block,
non_replaced.tag,
&non_replaced.style,
NonReplacedContents::EstablishesAnIndependentFormattingContext(
non_replaced,
),
tree_rank,
float_context,
)
},
))
},
},
BlockLevelBox::OutOfFlowAbsolutelyPositionedBox(box_) => {
let hoisted_box = AbsolutelyPositionedBox::to_hoisted(
@ -326,7 +339,7 @@ impl BlockLevelBox {
positioning_context.push(hoisted_box);
Fragment::AbsoluteOrFixedPositioned(AbsoluteOrFixedPositionedFragment {
hoisted_fragment,
position: box_.borrow().context.style.clone_position(),
position: box_.borrow().context.style().clone_position(),
})
},
BlockLevelBox::OutOfFlowFloatBox(_box_) => {
@ -341,7 +354,7 @@ impl BlockLevelBox {
enum NonReplacedContents<'a> {
SameFormattingContextBlock(&'a BlockContainer),
EstablishesAnIndependentFormattingContext(NonReplacedIFC<'a>),
EstablishesAnIndependentFormattingContext(&'a NonReplacedFormattingContext),
}
/// https://drafts.csswg.org/css2/visudet.html#blockwidth