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auto merge of #5154 : luniv/servo/viewpoint-percent-lengths, r=SimonSapin

Browse source 
Spec: http://dev.w3.org/csswg/css-values-3/#viewport-relative-lengths
This commit is contained in:
bors-servo 2015-03-05 18:55:02 -07:00
commit a557b51c28
7 changed files with 254 additions and 117 deletions
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38
components/layout/css/matching.rs
View file

@ -6,6 +6,7 @@
#![allow(unsafe_blocks)]
use context::SharedLayoutContext;
use css::node_style::StyledNode;
use incremental::{self, RestyleDamage};
use data::{LayoutDataAccess, LayoutDataWrapper};
@ -391,6 +392,7 @@ pub trait MatchMethods {
-> StyleSharingResult;
unsafe fn cascade_node(&self,
layout_context: &SharedLayoutContext,
parent: Option<LayoutNode>,
applicable_declarations: &ApplicableDeclarations,
applicable_declarations_cache: &mut ApplicableDeclarationsCache);
@ -398,6 +400,7 @@ pub trait MatchMethods {
trait PrivateMatchMethods {
fn cascade_node_pseudo_element(&self,
layout_context: &SharedLayoutContext,
parent_style: Option<&Arc<ComputedValues>>,
applicable_declarations: &[DeclarationBlock],
style: &mut Option<Arc<ComputedValues>>,
@ -414,6 +417,7 @@ trait PrivateMatchMethods {
impl<'ln> PrivateMatchMethods for LayoutNode<'ln> {
fn cascade_node_pseudo_element(&self,
layout_context: &SharedLayoutContext,
parent_style: Option<&Arc<ComputedValues>>,
applicable_declarations: &[DeclarationBlock],
style: &mut Option<Arc<ComputedValues>>,
@ -430,7 +434,8 @@ impl<'ln> PrivateMatchMethods for LayoutNode<'ln> {
None => None,
Some(ref style) => Some(&**style),
};
let (the_style, is_cacheable) = cascade(applicable_declarations,
let (the_style, is_cacheable) = cascade(layout_context.screen_size,
applicable_declarations,
shareable,
Some(&***parent_style),
cached_computed_values);
@ -438,7 +443,8 @@ impl<'ln> PrivateMatchMethods for LayoutNode<'ln> {
this_style = Arc::new(the_style);
}
None => {
let (the_style, is_cacheable) = cascade(applicable_declarations,
let (the_style, is_cacheable) = cascade(layout_context.screen_size,
applicable_declarations,
shareable,
None,
None);
@ -602,6 +608,7 @@ impl<'ln> MatchMethods for LayoutNode<'ln> {
}
unsafe fn cascade_node(&self,
layout_context: &SharedLayoutContext,
parent: Option<LayoutNode>,
applicable_declarations: &ApplicableDeclarations,
applicable_declarations_cache: &mut ApplicableDeclarationsCache) {
@ -635,26 +642,29 @@ impl<'ln> MatchMethods for LayoutNode<'ln> {
}
_ => {
let mut damage = self.cascade_node_pseudo_element(
layout_context,
parent_style,
applicable_declarations.normal.as_slice(),
&mut layout_data.shared_data.style,
applicable_declarations_cache,
applicable_declarations.normal_shareable);
if applicable_declarations.before.len() > 0 {
damage = damage | self.cascade_node_pseudo_element(
Some(layout_data.shared_data.style.as_ref().unwrap()),
&*applicable_declarations.before,
&mut layout_data.data.before_style,
applicable_declarations_cache,
false);
damage = damage | self.cascade_node_pseudo_element(
layout_context,
Some(layout_data.shared_data.style.as_ref().unwrap()),
&*applicable_declarations.before,
&mut layout_data.data.before_style,
applicable_declarations_cache,
false);
}
if applicable_declarations.after.len() > 0 {
damage = damage | self.cascade_node_pseudo_element(
Some(layout_data.shared_data.style.as_ref().unwrap()),
&*applicable_declarations.after,
&mut layout_data.data.after_style,
applicable_declarations_cache,
false);
damage = damage | self.cascade_node_pseudo_element(
layout_context,
Some(layout_data.shared_data.style.as_ref().unwrap()),
&*applicable_declarations.after,
&mut layout_data.data.after_style,
applicable_declarations_cache,
false);
}
layout_data.data.restyle_damage = damage;
}

3
components/layout/traversal.rs
View file

@ -176,7 +176,8 @@ impl<'a> PreorderDomTraversal for RecalcStyleForNode<'a> {
// Perform the CSS cascade.
unsafe {
node.cascade_node(parent_opt,
node.cascade_node(self.layout_context.shared,
parent_opt,
&applicable_declarations,
self.layout_context.applicable_declarations_cache());
}