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Pass a LayoutContext to TextRun::layout in 2020

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This commit is contained in:
Anthony Ramine 2019-11-12 12:30:03 +01:00
parent ea32495504
commit 1446756774
7 changed files with 94 additions and 23 deletions
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6
components/layout_2020/flow/inline.rs
View file

@ -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::context::LayoutContext;
use crate::flow::float::FloatBox;
use crate::flow::FlowChildren;
use crate::fragments::{AnonymousFragment, BoxFragment, CollapsedBlockMargins, Fragment};
@ -81,6 +82,7 @@ struct LinesBoxes {
impl InlineFormattingContext {
pub(super) fn layout<'a>(
&'a self,
layout_context: &LayoutContext,
containing_block: &ContainingBlock,
tree_rank: usize,
absolutely_positioned_fragments: &mut Vec<AbsolutelyPositionedFragment<'a>>,
@ -107,7 +109,7 @@ impl InlineFormattingContext {
let partial = inline.start_layout(&mut ifc);
ifc.partial_inline_boxes_stack.push(partial)
},
InlineLevelBox::TextRun(run) => run.layout(&mut ifc),
InlineLevelBox::TextRun(run) => run.layout(layout_context, &mut ifc),
InlineLevelBox::Atomic { style: _, contents } => {
// FIXME
match *contents {}
@ -284,7 +286,7 @@ impl<'box_tree> PartialInlineBoxFragment<'box_tree> {
}
impl TextRun {
fn layout(&self, _ifc: &mut InlineFormattingContextState) {
fn layout(&self, _layout_context: &LayoutContext, _ifc: &mut InlineFormattingContextState) {
// TODO
}
}

25
components/layout_2020/flow/mod.rs
View file

@ -4,6 +4,7 @@
//! Flow layout, also known as block-and-inline layout.
use crate::context::LayoutContext;
use crate::flow::float::{FloatBox, FloatContext};
use crate::flow::inline::InlineFormattingContext;
use crate::fragments::{
@ -67,6 +68,7 @@ struct CollapsibleWithParentStartMargin(bool);
impl BlockFormattingContext {
pub(super) fn layout<'a>(
&'a self,
layout_context: &LayoutContext,
containing_block: &ContainingBlock,
tree_rank: usize,
absolutely_positioned_fragments: &mut Vec<AbsolutelyPositionedFragment<'a>>,
@ -79,6 +81,7 @@ impl BlockFormattingContext {
None
};
let mut flow_children = self.contents.layout(
layout_context,
containing_block,
tree_rank,
absolutely_positioned_fragments,
@ -97,6 +100,7 @@ impl BlockFormattingContext {
impl BlockContainer {
fn layout<'a>(
&'a self,
layout_context: &LayoutContext,
containing_block: &ContainingBlock,
tree_rank: usize,
absolutely_positioned_fragments: &mut Vec<AbsolutelyPositionedFragment<'a>>,
@ -105,6 +109,7 @@ impl BlockContainer {
) -> FlowChildren {
match self {
BlockContainer::BlockLevelBoxes(child_boxes) => layout_block_level_children(
layout_context,
child_boxes,
containing_block,
tree_rank,
@ -112,14 +117,18 @@ impl BlockContainer {
float_context,
collapsible_with_parent_start_margin,
),
BlockContainer::InlineFormattingContext(ifc) => {
ifc.layout(containing_block, tree_rank, absolutely_positioned_fragments)
},
BlockContainer::InlineFormattingContext(ifc) => ifc.layout(
layout_context,
containing_block,
tree_rank,
absolutely_positioned_fragments,
),
}
}
}
fn layout_block_level_children<'a>(
layout_context: &LayoutContext,
child_boxes: &'a [Arc<BlockLevelBox>],
containing_block: &ContainingBlock,
tree_rank: usize,
@ -201,6 +210,7 @@ fn layout_block_level_children<'a>(
.enumerate()
.map(|(tree_rank, box_)| {
let mut fragment = box_.layout(
layout_context,
containing_block,
tree_rank,
absolutely_positioned_fragments,
@ -218,6 +228,7 @@ fn layout_block_level_children<'a>(
absolutely_positioned_fragments,
|abspos_fragments, (tree_rank, box_)| {
box_.layout(
layout_context,
containing_block,
tree_rank,
abspos_fragments,
@ -255,6 +266,7 @@ fn layout_block_level_children<'a>(
impl BlockLevelBox {
fn layout<'a>(
&'a self,
layout_context: &LayoutContext,
containing_block: &ContainingBlock,
tree_rank: usize,
absolutely_positioned_fragments: &mut Vec<AbsolutelyPositionedFragment<'a>>,
@ -263,12 +275,14 @@ impl BlockLevelBox {
match self {
BlockLevelBox::SameFormattingContextBlock { style, contents } => {
Fragment::Box(layout_in_flow_non_replaced_block_level(
layout_context,
containing_block,
absolutely_positioned_fragments,
style,
BlockLevelKind::SameFormattingContextBlock,
|containing_block, nested_abspos, collapsible_with_parent_start_margin| {
contents.layout(
layout_context,
containing_block,
tree_rank,
nested_abspos,
@ -284,12 +298,13 @@ impl BlockLevelBox {
match *replaced {}
},
Err(contents) => Fragment::Box(layout_in_flow_non_replaced_block_level(
layout_context,
containing_block,
absolutely_positioned_fragments,
style,
BlockLevelKind::EstablishesAnIndependentFormattingContext,
|containing_block, nested_abspos, _| {
contents.layout(containing_block, tree_rank, nested_abspos)
contents.layout(layout_context, containing_block, tree_rank, nested_abspos)
},
)),
},
@ -314,6 +329,7 @@ enum BlockLevelKind {
/// https://drafts.csswg.org/css2/visudet.html#blockwidth
/// https://drafts.csswg.org/css2/visudet.html#normal-block
fn layout_in_flow_non_replaced_block_level<'a>(
layout_context: &LayoutContext,
containing_block: &ContainingBlock,
absolutely_positioned_fragments: &mut Vec<AbsolutelyPositionedFragment<'a>>,
style: &Arc<ComputedValues>,
@ -433,6 +449,7 @@ fn layout_in_flow_non_replaced_block_level<'a>(
};
if style.get_box().position == Position::Relative {
AbsolutelyPositionedFragment::in_positioned_containing_block(
layout_context,
&nested_abspos,
&mut flow_children.fragments,
&content_rect.size,

10
components/layout_2020/flow/root.rs
View file

@ -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::context::LayoutContext;
use crate::display_list::IsContentful;
use crate::dom_traversal::{Contents, NodeExt};
use crate::flow::construct::ContainsFloats;
@ -98,7 +99,11 @@ fn construct_for_root_element<'dom>(
}
impl BoxTreeRoot {
pub fn layout(&self, viewport: geom::Size<CSSPixel>) -> FragmentTreeRoot {
pub fn layout(
&self,
layout_context: &LayoutContext,
viewport: geom::Size<CSSPixel>,
) -> FragmentTreeRoot {
let initial_containing_block_size = Vec2 {
inline: Length::new(viewport.width),
block: Length::new(viewport.height),
@ -114,6 +119,7 @@ impl BoxTreeRoot {
let dummy_tree_rank = 0;
let mut absolutely_positioned_fragments = vec![];
let mut flow_children = self.0.layout(
layout_context,
&initial_containing_block,
dummy_tree_rank,
&mut absolutely_positioned_fragments,
@ -126,7 +132,7 @@ impl BoxTreeRoot {
flow_children.fragments.par_extend(
absolutely_positioned_fragments
.par_iter()
.map(|a| a.layout(&initial_containing_block)),
.map(|a| a.layout(layout_context, &initial_containing_block)),
);
FragmentTreeRoot(flow_children.fragments)
}