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f87c2a8d76
In a later PR, DomRoot<T> will become a type alias of Root<Dom<T>>, where Root<T> will be able to handle all the things that need to be rooted that have a stable traceable address that doesn't move for the whole lifetime of the root. Stay tuned.
51 lines
1.8 KiB
Rust
51 lines
1.8 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 http://mozilla.org/MPL/2.0/. */
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use dom::bindings::codegen::Bindings::CSSViewportRuleBinding;
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use dom::bindings::reflector::reflect_dom_object;
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use dom::bindings::root::DomRoot;
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use dom::bindings::str::DOMString;
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use dom::cssrule::{CSSRule, SpecificCSSRule};
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use dom::cssstylesheet::CSSStyleSheet;
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use dom::window::Window;
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use dom_struct::dom_struct;
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use servo_arc::Arc;
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use style::shared_lock::{Locked, ToCssWithGuard};
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use style::stylesheets::ViewportRule;
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#[dom_struct]
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pub struct CSSViewportRule {
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cssrule: CSSRule,
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#[ignore_heap_size_of = "Arc"]
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viewportrule: Arc<Locked<ViewportRule>>,
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}
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impl CSSViewportRule {
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fn new_inherited(parent_stylesheet: &CSSStyleSheet, viewportrule: Arc<Locked<ViewportRule>>) -> CSSViewportRule {
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CSSViewportRule {
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cssrule: CSSRule::new_inherited(parent_stylesheet),
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viewportrule: viewportrule,
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}
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}
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#[allow(unrooted_must_root)]
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pub fn new(window: &Window, parent_stylesheet: &CSSStyleSheet,
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viewportrule: Arc<Locked<ViewportRule>>) -> DomRoot<CSSViewportRule> {
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reflect_dom_object(box CSSViewportRule::new_inherited(parent_stylesheet, viewportrule),
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window,
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CSSViewportRuleBinding::Wrap)
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}
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}
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impl SpecificCSSRule for CSSViewportRule {
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fn ty(&self) -> u16 {
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use dom::bindings::codegen::Bindings::CSSRuleBinding::CSSRuleConstants;
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CSSRuleConstants::VIEWPORT_RULE
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}
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fn get_css(&self) -> DOMString {
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let guard = self.cssrule.shared_lock().read();
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self.viewportrule.read_with(&guard).to_css_string(&guard).into()
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}
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}
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