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Implement CSSOM support for @supports.

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This commit is contained in:
Xidorn Quan 2017-04-28 09:10:06 +08:00
parent f19b9763cf
commit 767e10b29d
2 changed files with 23 additions and 3 deletions
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8
components/style/gecko/arc_types.rs
View file

@ -9,7 +9,7 @@
#![allow(non_snake_case, missing_docs)]
use gecko_bindings::bindings::{RawServoMediaList, RawServoMediaRule, RawServoNamespaceRule, RawServoPageRule};
use gecko_bindings::bindings::{RawServoStyleSheet, RawServoImportRule};
use gecko_bindings::bindings::{RawServoStyleSheet, RawServoImportRule, RawServoSupportsRule};
use gecko_bindings::bindings::{ServoComputedValues, ServoCssRules};
use gecko_bindings::structs::{RawServoAnimationValue, RawServoAnimationValueMap};
use gecko_bindings::structs::{RawServoDeclarationBlock, RawServoStyleRule};
@ -19,7 +19,8 @@ use parking_lot::RwLock;
use properties::{ComputedValues, PropertyDeclarationBlock};
use properties::animated_properties::{AnimationValue, AnimationValueMap};
use shared_lock::Locked;
use stylesheets::{CssRules, Stylesheet, StyleRule, ImportRule, MediaRule, NamespaceRule, PageRule};
use stylesheets::{CssRules, Stylesheet, StyleRule, ImportRule, MediaRule};
use stylesheets::{NamespaceRule, PageRule, SupportsRule};
macro_rules! impl_arc_ffi {
($servo_type:ty => $gecko_type:ty [$addref:ident, $release:ident]) => {
@ -75,3 +76,6 @@ impl_arc_ffi!(Locked<NamespaceRule> => RawServoNamespaceRule
impl_arc_ffi!(Locked<PageRule> => RawServoPageRule
[Servo_PageRule_AddRef, Servo_PageRule_Release]);
impl_arc_ffi!(Locked<SupportsRule> => RawServoSupportsRule
[Servo_SupportsRule_AddRef, Servo_SupportsRule_Release]);

18
ports/geckolib/glue.rs
View file

@ -36,6 +36,7 @@ use style::gecko_bindings::bindings::{RawServoPageRule, RawServoPageRuleBorrowed
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::{RawServoSupportsRule, RawServoSupportsRuleBorrowed};
use style::gecko_bindings::bindings::{ServoCssRulesBorrowed, ServoCssRulesStrong};
use style::gecko_bindings::bindings::{nsACString, nsAString};
use style::gecko_bindings::bindings::Gecko_AnimationAppendKeyframe;
@ -84,7 +85,7 @@ use style::shared_lock::{SharedRwLock, SharedRwLockReadGuard, StylesheetGuards,
use style::string_cache::Atom;
use style::stylesheets::{CssRule, CssRules, CssRuleType, CssRulesHelpers};
use style::stylesheets::{ImportRule, MediaRule, NamespaceRule, Origin};
use style::stylesheets::{PageRule, Stylesheet, StyleRule};
use style::stylesheets::{PageRule, Stylesheet, StyleRule, SupportsRule};
use style::stylesheets::StylesheetLoader as StyleStylesheetLoader;
use style::supports::parse_condition_or_declaration;
use style::thread_state;
@ -821,6 +822,13 @@ impl_basic_rule_funcs! { (Page, PageRule, RawServoPageRule),
to_css: Servo_PageRule_GetCssText,
}
impl_group_rule_funcs! { (Supports, SupportsRule, RawServoSupportsRule),
get_rules: Servo_SupportsRule_GetRules,
getter: Servo_CssRules_GetSupportsRuleAt,
debug: Servo_SupportsRule_Debug,
to_css: Servo_SupportsRule_GetCssText,
}
#[no_mangle]
pub extern "C" fn Servo_CssRules_GetFontFaceRuleAt(rules: ServoCssRulesBorrowed, index: u32)
-> *mut nsCSSFontFaceRule
@ -892,6 +900,14 @@ pub extern "C" fn Servo_PageRule_SetStyle(rule: RawServoPageRuleBorrowed,
})
}
#[no_mangle]
pub extern "C" fn Servo_SupportsRule_GetConditionText(rule: RawServoSupportsRuleBorrowed,
result: *mut nsAString) {
read_locked_arc(rule, |rule: &SupportsRule| {
rule.condition.to_css(unsafe { result.as_mut().unwrap() }).unwrap();
})
}
#[no_mangle]
pub extern "C" fn Servo_ComputedValues_GetForAnonymousBox(parent_style_or_null: ServoComputedValuesBorrowedOrNull,
pseudo_tag: *mut nsIAtom,