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stylo: Add support for <math> default language

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MozReview-Commit-ID: LhhSBzYjow5
This commit is contained in:
Manish Goregaokar 2017-03-26 13:53:34 -07:00 • committed by Manish Goregaokar
parent 1c23296d8a
commit 8dea66e6f1
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GPG key ID: 3BBF4D3E2EF79F98
1 changed files with 16 additions and 1 deletions
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17
components/style/gecko/wrapper.rs
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@ -626,6 +626,7 @@ impl<'le> PresentationalHintsSynthetizer for GeckoElement<'le> {
{
use properties::longhands::text_align::SpecifiedValue as SpecifiedTextAlign;
use properties::longhands::color::SpecifiedValue as SpecifiedColor;
use properties::longhands::_x_lang::SpecifiedValue as SpecifiedLang;
use values::specified::color::Color;
lazy_static! {
static ref TH_RULE: ApplicableDeclarationBlock = {
@ -646,16 +647,30 @@ impl<'le> PresentationalHintsSynthetizer for GeckoElement<'le> {
let arc = Arc::new(global_style_data.shared_lock.wrap(pdb));
ApplicableDeclarationBlock::from_declarations(arc, ServoCascadeLevel::PresHints)
};
static ref MATHML_LANG_RULE: ApplicableDeclarationBlock = {
let global_style_data = &*GLOBAL_STYLE_DATA;
let pdb = PropertyDeclarationBlock::with_one(
PropertyDeclaration::XLang(SpecifiedLang(atom!("x-math"))),
Importance::Normal
);
let arc = Arc::new(global_style_data.shared_lock.wrap(pdb));
ApplicableDeclarationBlock::from_declarations(arc, ServoCascadeLevel::PresHints)
};
};
let ns = self.get_namespace();
// <th> elements get a default MozCenterOrInherit which may get overridden
if self.get_namespace() == &*Namespace(atom!("http://www.w3.org/1999/xhtml")) {
if ns == &*Namespace(atom!("http://www.w3.org/1999/xhtml")) {
if self.get_local_name().as_ptr() == atom!("th").as_ptr() {
hints.push(TH_RULE.clone());
} else if self.get_local_name().as_ptr() == atom!("table").as_ptr() &&
self.as_node().owner_doc().mCompatMode == structs::nsCompatibility::eCompatibility_NavQuirks {
hints.push(TABLE_COLOR_RULE.clone());
}
} else if ns == &*Namespace(atom!("http://www.w3.org/1998/Math/MathML")) {
if self.get_local_name().as_ptr() == atom!("math").as_ptr() {
hints.push(MATHML_LANG_RULE.clone());
}
}
let declarations = unsafe { Gecko_GetHTMLPresentationAttrDeclarationBlock(self.0) };
let declarations = declarations.and_then(|s| s.as_arc_opt());