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36 lines
1.4 KiB
Rust
36 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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//! Traits that nodes must implement. Breaks the otherwise-cyclic dependency between layout and
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//! style.
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use selectors::AttrSelector;
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use servo_util::atom::Atom;
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use servo_util::namespace::Namespace;
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pub trait TNode<E:TElement> : Clone {
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fn parent_node(&self) -> Option<Self>;
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/// Name is prefixed to avoid a conflict with TLayoutNode.
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fn tnode_first_child(&self) -> Option<Self>;
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fn prev_sibling(&self) -> Option<Self>;
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fn next_sibling(&self) -> Option<Self>;
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fn is_document(&self) -> bool;
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fn is_element(&self) -> bool;
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fn as_element(&self) -> E;
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fn match_attr(&self, attr: &AttrSelector, test: |&str| -> bool) -> bool;
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fn is_html_element_in_html_document(&self) -> bool;
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}
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pub trait TElement {
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fn get_attr(&self, namespace: &Namespace, attr: &str) -> Option<&'static str>;
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fn get_link(&self) -> Option<&'static str>;
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fn get_local_name<'a>(&'a self) -> &'a Atom;
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fn get_namespace<'a>(&'a self) -> &'a Namespace;
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fn get_hover_state(&self) -> bool;
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fn get_id(&self) -> Option<Atom>;
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fn get_disabled_state(&self) -> bool;
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fn get_enabled_state(&self) -> bool;
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fn has_class(&self, name: &str) -> bool;
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}
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