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Add stylo FFI for CSSStyleRule

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This commit is contained in:
Xidorn Quan 2016-11-23 10:32:18 +11:00
parent 9d4ab0d3e9
commit a9296bc89c
4 changed files with 50 additions and 4 deletions
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25
ports/geckolib/glue.rs
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@ -23,6 +23,7 @@ use style::gecko::wrapper::{GeckoElement, GeckoNode};
use style::gecko::wrapper::DUMMY_BASE_URL;
use style::gecko_bindings::bindings::{RawGeckoElementBorrowed, RawGeckoNodeBorrowed};
use style::gecko_bindings::bindings::{RawServoDeclarationBlockBorrowed, RawServoDeclarationBlockStrong};
use style::gecko_bindings::bindings::{RawServoStyleRuleBorrowed, RawServoStyleRuleStrong};
use style::gecko_bindings::bindings::{RawServoStyleSetBorrowed, RawServoStyleSetOwned};
use style::gecko_bindings::bindings::{RawServoStyleSheetBorrowed, ServoComputedValuesBorrowed};
use style::gecko_bindings::bindings::{RawServoStyleSheetStrong, ServoComputedValuesStrong};
@ -47,7 +48,7 @@ use style::properties::{apply_declarations, parse_one_declaration};
use style::selector_parser::PseudoElementCascadeType;
use style::sequential;
use style::string_cache::Atom;
use style::stylesheets::{CssRule, Origin, Stylesheet};
use style::stylesheets::{CssRule, Origin, Stylesheet, StyleRule};
use style::thread_state;
use style::timer::Timer;
use style_traits::ToCss;
@ -290,6 +291,18 @@ pub extern "C" fn Servo_CssRules_ListTypes(rules: ServoCssRulesBorrowed,
result.iter_mut().zip(iter).fold((), |_, (r, v)| *r = v);
}
#[no_mangle]
pub extern "C" fn Servo_CssRules_GetStyleRuleAt(rules: ServoCssRulesBorrowed, index: u32)
-> RawServoStyleRuleStrong {
let rules = RwLock::<Vec<CssRule>>::as_arc(&rules).read();
match rules[index as usize] {
CssRule::Style(ref rule) => rule.clone().into_strong(),
_ => {
unreachable!("GetStyleRuleAt should only be called on a style rule");
}
}
}
#[no_mangle]
pub extern "C" fn Servo_CssRules_AddRef(rules: ServoCssRulesBorrowed) -> () {
unsafe { RwLock::<Vec<CssRule>>::addref(rules) };
@ -300,6 +313,16 @@ pub extern "C" fn Servo_CssRules_Release(rules: ServoCssRulesBorrowed) -> () {
unsafe { RwLock::<Vec<CssRule>>::release(rules) };
}
#[no_mangle]
pub extern "C" fn Servo_StyleRule_AddRef(rule: RawServoStyleRuleBorrowed) -> () {
unsafe { RwLock::<StyleRule>::addref(rule) };
}
#[no_mangle]
pub extern "C" fn Servo_StyleRule_Release(rule: RawServoStyleRuleBorrowed) -> () {
unsafe { RwLock::<StyleRule>::release(rule) };
}
#[no_mangle]
pub extern "C" fn Servo_ComputedValues_Get(node: RawGeckoNodeBorrowed)
-> ServoComputedValuesStrong {