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Stylo: Bug 1355408 - add support for @-moz-document

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This commit is contained in:
Fernando Jiménez Moreno 2017-05-09 10:41:03 +02:00
parent 9c9bd17871
commit b22e0e9494
12 changed files with 338 additions and 24 deletions
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25
components/style/stylist.rs
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@ -42,6 +42,8 @@ use std::marker::PhantomData;
use style_traits::viewport::ViewportConstraints;
use stylearc::Arc;
use stylesheets::{CssRule, FontFaceRule, Origin, StyleRule, Stylesheet, UserAgentStylesheets};
#[cfg(feature = "servo")]
use stylesheets::NestedRulesResult;
use thread_state;
use viewport::{self, MaybeNew, ViewportRule};
@ -596,12 +598,23 @@ impl Stylist {
fn mq_eval_changed(guard: &SharedRwLockReadGuard, rules: &[CssRule],
before: &Device, after: &Device, quirks_mode: QuirksMode) -> bool {
for rule in rules {
let changed = rule.with_nested_rules_and_mq(guard, |rules, mq| {
if let Some(mq) = mq {
if mq.evaluate(before, quirks_mode) != mq.evaluate(after, quirks_mode) {
return true
}
}
let changed = rule.with_nested_rules_mq_and_doc_rule(guard,
|result| {
let rules = match result {
NestedRulesResult::Rules(rules) => rules,
NestedRulesResult::RulesWithMediaQueries(rules, mq) => {
if mq.evaluate(before, quirks_mode) != mq.evaluate(after, quirks_mode) {
return true;
}
rules
},
NestedRulesResult::RulesWithDocument(rules, doc_rule) => {
if !doc_rule.condition.evaluate(before) {
return false;
}
rules
},
};
mq_eval_changed(guard, rules, before, after, quirks_mode)
});
if changed {