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Add stylo FFI for CSSRuleList

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This commit is contained in:
Xidorn Quan 2016-11-23 10:30:48 +11:00
parent 210b1be1d0
commit 9d4ab0d3e9
5 changed files with 105 additions and 4 deletions
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30
ports/geckolib/glue.rs
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@ -26,10 +26,12 @@ use style::gecko_bindings::bindings::{RawServoDeclarationBlockBorrowed, RawServo
use style::gecko_bindings::bindings::{RawServoStyleSetBorrowed, RawServoStyleSetOwned};
use style::gecko_bindings::bindings::{RawServoStyleSheetBorrowed, ServoComputedValuesBorrowed};
use style::gecko_bindings::bindings::{RawServoStyleSheetStrong, ServoComputedValuesStrong};
use style::gecko_bindings::bindings::{ServoCssRulesBorrowed, ServoCssRulesStrong};
use style::gecko_bindings::bindings::{ThreadSafePrincipalHolder, ThreadSafeURIHolder};
use style::gecko_bindings::bindings::{nsACString, nsAString};
use style::gecko_bindings::bindings::Gecko_Utf8SliceToString;
use style::gecko_bindings::bindings::ServoComputedValuesBorrowedOrNull;
use style::gecko_bindings::bindings::nsTArrayBorrowed_uintptr_t;
use style::gecko_bindings::structs::{SheetParsingMode, nsIAtom};
use style::gecko_bindings::structs::ServoElementSnapshot;
use style::gecko_bindings::structs::nsRestyleHint;
@ -45,7 +47,7 @@ use style::properties::{apply_declarations, parse_one_declaration};
use style::selector_parser::PseudoElementCascadeType;
use style::sequential;
use style::string_cache::Atom;
use style::stylesheets::{Origin, Stylesheet};
use style::stylesheets::{CssRule, Origin, Stylesheet};
use style::thread_state;
use style::timer::Timer;
use style_traits::ToCss;
@ -262,6 +264,11 @@ pub extern "C" fn Servo_StyleSheet_HasRules(raw_sheet: RawServoStyleSheetBorrowe
!Stylesheet::as_arc(&raw_sheet).rules.0.read().is_empty()
}
#[no_mangle]
pub extern "C" fn Servo_StyleSheet_GetRules(sheet: RawServoStyleSheetBorrowed) -> ServoCssRulesStrong {
Stylesheet::as_arc(&sheet).rules.0.clone().into_strong()
}
#[no_mangle]
pub extern "C" fn Servo_StyleSheet_AddRef(sheet: RawServoStyleSheetBorrowed) -> () {
unsafe { Stylesheet::addref(sheet) };
@ -272,6 +279,27 @@ pub extern "C" fn Servo_StyleSheet_Release(sheet: RawServoStyleSheetBorrowed) ->
unsafe { Stylesheet::release(sheet) };
}
#[no_mangle]
pub extern "C" fn Servo_CssRules_ListTypes(rules: ServoCssRulesBorrowed,
result: nsTArrayBorrowed_uintptr_t) -> () {
let rules = RwLock::<Vec<CssRule>>::as_arc(&rules).read();
let iter = rules.iter().map(|rule| rule.rule_type() as usize);
let (size, upper) = iter.size_hint();
debug_assert_eq!(size, upper.unwrap());
unsafe { result.set_len(size as u32) };
result.iter_mut().zip(iter).fold((), |_, (r, v)| *r = v);
}
#[no_mangle]
pub extern "C" fn Servo_CssRules_AddRef(rules: ServoCssRulesBorrowed) -> () {
unsafe { RwLock::<Vec<CssRule>>::addref(rules) };
}
#[no_mangle]
pub extern "C" fn Servo_CssRules_Release(rules: ServoCssRulesBorrowed) -> () {
unsafe { RwLock::<Vec<CssRule>>::release(rules) };
}
#[no_mangle]
pub extern "C" fn Servo_ComputedValues_Get(node: RawGeckoNodeBorrowed)
-> ServoComputedValuesStrong {