Auto merge of #5857 - Ms2ger:preshints, r=pcwalton

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This commit is contained in:
bors-servo 2015-04-28 03:24:14 -05:00
commit 1cb012fc50
6 changed files with 115 additions and 108 deletions

View file

@ -27,13 +27,14 @@ use std::slice::Iter;
use std::sync::Arc;
use std::sync::mpsc::Sender;
use string_cache::{Atom, Namespace};
use style::node::{TElement, TNode};
use style::node::{TElement, TElementAttributes, TNode};
use style::properties::{ComputedValues, cascade};
use style::selector_matching::{Stylist, DeclarationBlock};
use util::arc_ptr_eq;
use util::cache::{LRUCache, SimpleHashCache};
use util::opts;
use util::smallvec::{SmallVec, SmallVec16};
use util::vec::ForgetfulSink;
pub struct ApplicableDeclarations {
pub normal: SmallVec16<DeclarationBlock>,
@ -289,6 +290,12 @@ impl StyleSharingCandidate {
return false
}
let mut matching_rules = ForgetfulSink::new();
element.synthesize_presentational_hints_for_legacy_attributes(&mut matching_rules);
if !matching_rules.is_empty() {
return false;
}
// FIXME(pcwalton): It's probably faster to iterate over all the element's attributes and
// use the {common, rare}-style-affecting-attributes tables as lookup tables.

View file

@ -39,7 +39,6 @@ use incremental::RestyleDamage;
use data::{LayoutDataAccess, LayoutDataFlags, LayoutDataWrapper, PrivateLayoutData};
use opaque_node::OpaqueNodeMethods;
use cssparser::RGBA;
use gfx::display_list::OpaqueNode;
use script::dom::bindings::codegen::InheritTypes::{CharacterDataCast, ElementCast};
use script::dom::bindings::codegen::InheritTypes::{HTMLIFrameElementCast, HTMLCanvasElementCast};
@ -70,11 +69,13 @@ use std::sync::mpsc::Sender;
use string_cache::{Atom, Namespace};
use style::computed_values::content::ContentItem;
use style::computed_values::{content, display, white_space};
use selectors::matching::DeclarationBlock;
use selectors::parser::{NamespaceConstraint, AttrSelector};
use style::legacy::{IntegerAttribute, LengthAttribute, SimpleColorAttribute};
use selectors::smallvec::VecLike;
use style::legacy::{IntegerAttribute, LengthAttribute};
use style::legacy::{UnsignedIntegerAttribute};
use style::node::{TElement, TElementAttributes, TNode};
use style::properties::PropertyDeclarationBlock;
use style::properties::{PropertyDeclaration, PropertyDeclarationBlock};
use url::Url;
/// Allows some convenience methods on generic layout nodes.
@ -659,6 +660,14 @@ impl<'le> TElement<'le> for LayoutElement<'le> {
}
impl<'le> TElementAttributes for LayoutElement<'le> {
fn synthesize_presentational_hints_for_legacy_attributes<V>(self, hints: &mut V)
where V: VecLike<DeclarationBlock<Vec<PropertyDeclaration>>>
{
unsafe {
self.element.synthesize_presentational_hints_for_legacy_attributes(hints);
}
}
fn get_length_attribute(self, length_attribute: LengthAttribute) -> LengthOrPercentageOrAuto {
unsafe {
self.element.get_length_attribute_for_layout(length_attribute)
@ -676,12 +685,6 @@ impl<'le> TElementAttributes for LayoutElement<'le> {
self.element.get_unsigned_integer_attribute_for_layout(attribute)
}
}
fn get_simple_color_attribute(self, attribute: SimpleColorAttribute) -> Option<RGBA> {
unsafe {
self.element.get_simple_color_attribute_for_layout(attribute)
}
}
}
fn get_content(content_list: &content::T) -> Vec<ContentItem> {