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stylo: Use stylo for Element::Closest.

Browse source 
Bug: 1407952
Reviewed-by: heycam
MozReview-Commit-ID: 3H2piFT2CfF
This commit is contained in:
Emilio Cobos Álvarez 2017-10-12 11:42:17 +02:00
parent ec00c660f0
commit 7fd2ac1704
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GPG key ID: 056B727BB9C1027C
1 changed files with 31 additions and 1 deletions
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32
ports/geckolib/glue.rs
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@ -6,7 +6,7 @@ use cssparser::{Parser, ParserInput};
use cssparser::ToCss as ParserToCss;
use env_logger::LogBuilder;
use malloc_size_of::MallocSizeOfOps;
use selectors::{self, Element};
use selectors::{self, Element, NthIndexCache};
use selectors::matching::{MatchingContext, MatchingMode, matches_selector};
use servo_arc::{Arc, ArcBorrow, RawOffsetArc};
use std::cell::RefCell;
@ -1520,6 +1520,36 @@ pub extern "C" fn Servo_StyleRule_SelectorMatchesElement(rule: RawServoStyleRule
})
}
#[no_mangle]
pub unsafe extern "C" fn Servo_SelectorList_Closest<'a>(
element: RawGeckoElementBorrowed<'a>,
selectors: RawServoSelectorListBorrowed,
) -> RawGeckoElementBorrowedOrNull<'a> {
use std::borrow::Borrow;
let mut nth_index_cache = NthIndexCache::default();
let element = GeckoElement(element);
let mut context = MatchingContext::new(
MatchingMode::Normal,
None,
Some(&mut nth_index_cache),
element.owner_document_quirks_mode(),
);
context.scope_element = Some(element.opaque());
let selectors = ::selectors::SelectorList::from_ffi(selectors).borrow();
let mut current = Some(element);
while let Some(element) = current.take() {
if selectors::matching::matches_selector_list(&selectors, &element, &mut context) {
return Some(element.0);
}
current = element.parent_element();
}
return None;
}
#[no_mangle]
pub unsafe extern "C" fn Servo_SelectorList_Matches(
element: RawGeckoElementBorrowed,