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Create a new infrastructure for presentational hints.
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parent
852d973a70
commit
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5 changed files with 41 additions and 3 deletions
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@ -27,7 +27,7 @@ use std::slice::Iter;
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use std::sync::Arc;
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use std::sync::mpsc::Sender;
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use string_cache::{Atom, Namespace};
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use style::node::{TElement, TNode};
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use style::node::{TElement, TElementAttributes, TNode};
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use style::properties::{ComputedValues, cascade};
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use style::selector_matching::{Stylist, DeclarationBlock};
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use util::arc_ptr_eq;
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@ -289,6 +289,12 @@ impl StyleSharingCandidate {
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return false
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}
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let mut matching_rules = vec![];
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element.synthesize_presentational_hints_for_legacy_attributes(&mut matching_rules);
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if !matching_rules.is_empty() {
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return false;
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}
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// FIXME(pcwalton): It's probably faster to iterate over all the element's attributes and
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// use the {common, rare}-style-affecting-attributes tables as lookup tables.
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@ -70,11 +70,13 @@ use std::sync::mpsc::Sender;
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use string_cache::{Atom, Namespace};
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use style::computed_values::content::ContentItem;
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use style::computed_values::{content, display, white_space};
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use selectors::matching::DeclarationBlock;
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use selectors::parser::{NamespaceConstraint, AttrSelector};
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use selectors::smallvec::VecLike;
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use style::legacy::{IntegerAttribute, LengthAttribute, SimpleColorAttribute};
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use style::legacy::{UnsignedIntegerAttribute};
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use style::node::{TElement, TElementAttributes, TNode};
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use style::properties::PropertyDeclarationBlock;
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use style::properties::{PropertyDeclaration, PropertyDeclarationBlock};
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use url::Url;
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/// Allows some convenience methods on generic layout nodes.
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@ -659,6 +661,14 @@ impl<'le> TElement<'le> for LayoutElement<'le> {
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}
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impl<'le> TElementAttributes for LayoutElement<'le> {
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fn synthesize_presentational_hints_for_legacy_attributes<V>(self, hints: &mut V)
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where V: VecLike<DeclarationBlock<Vec<PropertyDeclaration>>>
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{
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unsafe {
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self.element.synthesize_presentational_hints_for_legacy_attributes(hints);
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}
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}
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fn get_length_attribute(self, length_attribute: LengthAttribute) -> LengthOrPercentageOrAuto {
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unsafe {
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self.element.get_length_attribute_for_layout(length_attribute)
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