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layout: Take relative position offsets for inlines and inline-blocks

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into account only once.

There were two bugs here: (1) relative position applied to
scanned/unscanned text fragments independently of the container element
that applied that relative position, causing double-counting; (2)
relative position applied to inline block fragments independently of the
wrapped block itself, causing double-counting.

This commit also removes the `cascade_anonymous` function and the
related `Fragment` constructor. They were unused, and their
functionality has been replaced by the `modify_style_for_*` series of
functions.

Closes #7067.
This commit is contained in:
Patrick Walton 2015-08-10 18:05:29 -07:00
parent 3ad49fc689
commit 8640cf5588
11 changed files with 102 additions and 88 deletions
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41
components/layout/construct.rs
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@ -227,6 +227,20 @@ impl InlineFragmentsAccumulator {
}
}
fn from_inline_node_and_style(node: &ThreadSafeLayoutNode, style: Arc<ComputedValues>)
-> InlineFragmentsAccumulator {
InlineFragmentsAccumulator {
fragments: IntermediateInlineFragments::new(),
enclosing_node: Some(InlineFragmentNodeInfo {
address: node.opaque(),
pseudo: node.get_pseudo_element_type().strip(),
style: style,
}),
bidi_control_chars: None,
restyle_damage: node.restyle_damage(),
}
}
fn push(&mut self, fragment: Fragment) {
self.fragments.fragments.push_back(fragment)
}
@ -686,7 +700,15 @@ impl<'a> FlowConstructor<'a> {
fragments: &mut IntermediateInlineFragments,
node: &ThreadSafeLayoutNode,
style: &Arc<ComputedValues>) {
for content_item in node.text_content().into_iter() {
// Fast path: If there is no text content, return immediately.
let text_content = node.text_content();
if text_content.len() == 0 {
return
}
let mut style = (*style).clone();
properties::modify_style_for_text(&mut style);
for content_item in text_content.into_iter() {
let specific = match content_item {
ContentItem::String(string) => {
let info = UnscannedTextFragmentInfo::from_text(string);
@ -910,11 +932,18 @@ impl<'a> FlowConstructor<'a> {
_ => unreachable!()
};
let mut modified_style = (*node.style()).clone();
properties::modify_style_for_outer_inline_block_fragment(&mut modified_style);
let fragment_info = SpecificFragmentInfo::InlineBlock(InlineBlockFragmentInfo::new(
block_flow));
let fragment = Fragment::new(node, fragment_info);
let fragment = Fragment::from_opaque_node_and_style(node.opaque(),
node.get_pseudo_element_type().strip(),
modified_style.clone(),
node.restyle_damage(),
fragment_info);
let mut fragment_accumulator = InlineFragmentsAccumulator::from_inline_node(node);
let mut fragment_accumulator =
InlineFragmentsAccumulator::from_inline_node_and_style(node, modified_style);
fragment_accumulator.fragments.fragments.push_back(fragment);
let construction_item =
@ -1317,6 +1346,12 @@ impl<'a> FlowConstructor<'a> {
inline_absolute_fragment.flow_ref
.repair_style_and_bubble_inline_sizes(&style);
}
SpecificFragmentInfo::ScannedText(_) |
SpecificFragmentInfo::UnscannedText(_) => {
properties::modify_style_for_text(&mut style);
properties::modify_style_for_replaced_content(&mut style);
fragment.repair_style(&style);
}
_ => {
if node.is_replaced_content() {
properties::modify_style_for_replaced_content(&mut style);