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Add basic integration of @counter-style.

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This commit is contained in:
Xidorn Quan 2017-05-16 09:47:13 +10:00
parent 161dc666b0
commit 11ac1e894e
6 changed files with 74 additions and 22 deletions
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32
ports/geckolib/glue.rs
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@ -61,7 +61,8 @@ use style::gecko_bindings::structs;
use style::gecko_bindings::structs::{CSSPseudoElementType, CompositeOperation};
use style::gecko_bindings::structs::{RawServoStyleRule, ServoStyleSheet};
use style::gecko_bindings::structs::{SheetParsingMode, nsIAtom, nsCSSPropertyID};
use style::gecko_bindings::structs::{nsRestyleHint, nsChangeHint, nsCSSFontFaceRule};
use style::gecko_bindings::structs::{nsCSSFontFaceRule, nsCSSCounterStyleRule};
use style::gecko_bindings::structs::{nsRestyleHint, nsChangeHint};
use style::gecko_bindings::structs::Loader;
use style::gecko_bindings::structs::RawGeckoPresContextOwned;
use style::gecko_bindings::structs::ServoElementSnapshotTable;
@ -871,19 +872,28 @@ impl_group_rule_funcs! { (Document, DocumentRule, RawServoDocumentRule),
to_css: Servo_DocumentRule_GetCssText,
}
#[no_mangle]
pub extern "C" fn Servo_CssRules_GetFontFaceRuleAt(rules: ServoCssRulesBorrowed, index: u32)
-> *mut nsCSSFontFaceRule
{
let global_style_data = &*GLOBAL_STYLE_DATA;
let guard = global_style_data.shared_lock.read();
let rules = Locked::<CssRules>::as_arc(&rules).read_with(&guard);
match rules.0[index as usize] {
CssRule::FontFace(ref rule) => rule.read_with(&guard).get(),
_ => unreachable!("Servo_CssRules_GetFontFaceRuleAt should only be called on a FontFace rule"),
macro_rules! impl_getter_for_embedded_rule {
($getter:ident: $name:ident -> $ty:ty) => {
#[no_mangle]
pub extern "C" fn $getter(rules: ServoCssRulesBorrowed, index: u32) -> *mut $ty
{
let global_style_data = &*GLOBAL_STYLE_DATA;
let guard = global_style_data.shared_lock.read();
let rules = Locked::<CssRules>::as_arc(&rules).read_with(&guard);
match rules.0[index as usize] {
CssRule::$name(ref rule) => rule.read_with(&guard).get(),
_ => unreachable!(concat!(stringify!($getter), " should only be called on a ",
stringify!($name), " rule")),
}
}
}
}
impl_getter_for_embedded_rule!(Servo_CssRules_GetFontFaceRuleAt:
FontFace -> nsCSSFontFaceRule);
impl_getter_for_embedded_rule!(Servo_CssRules_GetCounterStyleRuleAt:
CounterStyle -> nsCSSCounterStyleRule);
#[no_mangle]
pub extern "C" fn Servo_StyleRule_GetStyle(rule: RawServoStyleRuleBorrowed) -> RawServoDeclarationBlockStrong {
read_locked_arc(rule, |rule: &StyleRule| {