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https://github.com/servo/servo
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617c9c0162
This JSContextifies parts of dom/css directory. Testing: Compilation is the test. Signed-off-by: Narfinger <Narfinger@users.noreply.github.com>
107 lines
3.5 KiB
Rust
107 lines
3.5 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
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use std::cell::RefCell;
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use dom_struct::dom_struct;
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use js::context::JSContext;
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use servo_arc::Arc;
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use style::shared_lock::{Locked, SharedRwLockReadGuard, ToCssWithGuard};
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use style::stylesheets::CssRuleType;
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use style::stylesheets::keyframes_rule::Keyframe;
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use super::cssrule::{CSSRule, SpecificCSSRule};
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use super::cssstyledeclaration::{CSSModificationAccess, CSSStyleDeclaration, CSSStyleOwner};
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use super::cssstylesheet::CSSStyleSheet;
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use crate::dom::bindings::codegen::Bindings::CSSKeyframeRuleBinding::CSSKeyframeRuleMethods;
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use crate::dom::bindings::inheritance::Castable;
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use crate::dom::bindings::reflector::{DomGlobal, reflect_dom_object_with_cx};
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use crate::dom::bindings::root::{Dom, DomRoot, MutNullableDom};
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use crate::dom::bindings::str::DOMString;
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use crate::dom::window::Window;
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use crate::script_runtime::CanGc;
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#[dom_struct]
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pub(crate) struct CSSKeyframeRule {
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css_rule: CSSRule,
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#[ignore_malloc_size_of = "Stylo"]
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#[no_trace]
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keyframe_rule: RefCell<Arc<Locked<Keyframe>>>,
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style_declaration: MutNullableDom<CSSStyleDeclaration>,
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}
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impl CSSKeyframeRule {
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fn new_inherited(
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parent_stylesheet: &CSSStyleSheet,
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keyframerule: Arc<Locked<Keyframe>>,
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) -> CSSKeyframeRule {
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CSSKeyframeRule {
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css_rule: CSSRule::new_inherited(parent_stylesheet),
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keyframe_rule: RefCell::new(keyframerule),
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style_declaration: Default::default(),
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}
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}
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pub(crate) fn new(
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cx: &mut JSContext,
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window: &Window,
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parent_stylesheet: &CSSStyleSheet,
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keyframerule: Arc<Locked<Keyframe>>,
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) -> DomRoot<CSSKeyframeRule> {
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reflect_dom_object_with_cx(
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Box::new(CSSKeyframeRule::new_inherited(
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parent_stylesheet,
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keyframerule,
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)),
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window,
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cx,
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)
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}
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pub(crate) fn update_rule(
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&self,
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keyframerule: Arc<Locked<Keyframe>>,
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guard: &SharedRwLockReadGuard,
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) {
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if let Some(ref style_decl) = self.style_declaration.get() {
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style_decl.update_property_declaration_block(&keyframerule.read_with(guard).block);
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}
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*self.keyframe_rule.borrow_mut() = keyframerule;
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}
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}
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impl CSSKeyframeRuleMethods<crate::DomTypeHolder> for CSSKeyframeRule {
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/// <https://drafts.csswg.org/css-animations/#dom-csskeyframerule-style>
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fn Style(&self, cx: &mut JSContext) -> DomRoot<CSSStyleDeclaration> {
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self.style_declaration.or_init(|| {
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let guard = self.css_rule.shared_lock().read();
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CSSStyleDeclaration::new(
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self.global().as_window(),
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CSSStyleOwner::CSSRule(
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Dom::from_ref(self.upcast()),
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RefCell::new(self.keyframe_rule.borrow().read_with(&guard).block.clone()),
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),
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None,
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CSSModificationAccess::ReadWrite,
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CanGc::from_cx(cx),
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)
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})
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}
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}
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impl SpecificCSSRule for CSSKeyframeRule {
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fn ty(&self) -> CssRuleType {
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CssRuleType::Keyframe
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}
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fn get_css(&self) -> DOMString {
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let guard = self.css_rule.shared_lock().read();
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self.keyframe_rule
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.borrow()
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.read_with(&guard)
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.to_css_string(&guard)
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.into()
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}
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}
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