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fix for anonymous block boxes

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patrick kim 2014-01-06 17:18:50 +09:00
parent eff3cd8660
commit 8eb39aafd4
1 changed files with 21 additions and 9 deletions
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24
src/components/main/layout/box.rs
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@ -27,8 +27,8 @@ use std::cast;
use std::cell::Cell;
use std::cmp::ApproxEq;
use std::num::Zero;
use style::{ComputedValues, TElement, TNode};
use style::computed_values::{LengthOrPercentage, overflow};
use style::{ComputedValues, TElement, TNode, cascade};
use style::computed_values::{LengthOrPercentage, overflow, display};
use style::computed_values::{border_style, clear, font_family, line_height};
use style::computed_values::{text_align, text_decoration, vertical_align, visibility};
@ -228,8 +228,7 @@ impl Box {
pub fn new(node: LayoutNode, specific: SpecificBoxInfo) -> Box {
// Find the nearest ancestor element and take its style. (It should be either that node or
// its immediate parent.)
//
// FIXME(pcwalton): This is incorrect for non-inherited properties on anonymous boxes. For
// CSS 2.1 § 9.2.1.1 This is for non-inherited properties on anonymous block boxes
// example:
//
// <div style="border: solid">
@ -239,14 +238,27 @@ impl Box {
// </div>
//
// An anonymous block box is generated around `Bar`, but it shouldn't inherit the border.
let node_style = if node.is_element() {
node.style().clone()
} else {
let mut nearest_ancestor_element = node;
while !nearest_ancestor_element.is_element() {
nearest_ancestor_element = node.parent_node().expect("no nearest element?!");
nearest_ancestor_element =
nearest_ancestor_element.parent_node().expect("no nearest element?!");
}
if nearest_ancestor_element.style().get().Box.display == display::block {
Arc::new(cascade(&[Arc::new(~[])],
Some(nearest_ancestor_element.style().get())))
} else {
nearest_ancestor_element.style().clone()
}
};
Box {
node: OpaqueNode::from_layout_node(&node),
style: (*nearest_ancestor_element.style()).clone(),
style: node_style,
position: Slot::init(Au::zero_rect()),
border: Slot::init(Zero::zero()),
padding: Slot::init(Zero::zero()),