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style: Add a TLS-based style struct caching mechanism.

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Emilio Cobos Álvarez 2017-08-23 20:04:11 +08:00 • committed by Cameron McCormack
parent 298b1363ff
commit c34c92e904
18 changed files with 278 additions and 13 deletions
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4
components/style/gecko/media_queries.rs
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@ -23,7 +23,9 @@ use media_queries::MediaType;
use parser::ParserContext;
use properties::{ComputedValues, StyleBuilder};
use properties::longhands::font_size;
use rule_cache::RuleCacheConditions;
use servo_arc::Arc;
use std::cell::RefCell;
use std::fmt::{self, Write};
use std::sync::atomic::{AtomicBool, AtomicIsize, Ordering};
use str::starts_with_ignore_ascii_case;
@ -694,6 +696,7 @@ impl Expression {
// http://dev.w3.org/csswg/mediaqueries3/#units
// em units are relative to the initial font-size.
let mut conditions = RuleCacheConditions::default();
let context = computed::Context {
is_root_element: false,
builder: StyleBuilder::for_derived_style(device, default_values, None, None),
@ -703,6 +706,7 @@ impl Expression {
// TODO: pass the correct value here.
quirks_mode: quirks_mode,
for_smil_animation: false,
rule_cache_conditions: RefCell::new(&mut conditions),
};
let required_value = match self.value {