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47 lines
1.4 KiB
Rust
47 lines
1.4 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 properties::ComputedValues;
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use selectors::parser::SelectorImpl;
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use std::collections::HashMap;
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use std::hash::BuildHasherDefault;
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use std::sync::Arc;
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use std::sync::atomic::AtomicIsize;
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pub struct PrivateStyleData<Impl: SelectorImpl> {
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/// The results of CSS styling for this node.
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pub style: Option<Arc<ComputedValues>>,
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/// The results of CSS styling for each pseudo-element (if any).
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pub per_pseudo: HashMap<Impl::PseudoElement, Arc<ComputedValues>, BuildHasherDefault<::fnv::FnvHasher>>,
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/// Information needed during parallel traversals.
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pub parallel: DomParallelInfo,
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}
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impl<Impl: SelectorImpl> PrivateStyleData<Impl> {
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pub fn new() -> PrivateStyleData<Impl> {
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PrivateStyleData {
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style: None,
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per_pseudo: HashMap::with_hasher(Default::default()),
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parallel: DomParallelInfo::new(),
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}
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}
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}
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/// Information that we need stored in each DOM node.
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#[derive(HeapSizeOf)]
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pub struct DomParallelInfo {
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/// The number of children that still need work done.
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pub children_count: AtomicIsize,
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}
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impl DomParallelInfo {
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pub fn new() -> DomParallelInfo {
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DomParallelInfo {
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children_count: AtomicIsize::new(0),
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}
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}
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}
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