d5b141b70b
This is a rebased version of #11713 --- - [X] `./mach build -d` does not report any errors - [X] `./mach test-tidy` does not report any errors - [X] These changes fix #10110 (github issue number if applicable). - [X] There are no tests for these changes because it's an optimization with no visible behavioral changes Source-Repo: https://github.com/servo/servo Source-Revision: 0fe94a6724a42da8f02a60d1efe18fdfc96885ae
84 lines
2.8 KiB
Rust
84 lines
2.8 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::HTMLTitleElementBinding;
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use dom::bindings::codegen::Bindings::HTMLTitleElementBinding::HTMLTitleElementMethods;
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use dom::bindings::codegen::Bindings::NodeBinding::NodeMethods;
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use dom::bindings::inheritance::Castable;
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use dom::bindings::js::Root;
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use dom::bindings::str::DOMString;
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use dom::characterdata::CharacterData;
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use dom::document::Document;
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use dom::htmlelement::HTMLElement;
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use dom::node::{ChildrenMutation, Node};
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use dom::text::Text;
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use dom::virtualmethods::VirtualMethods;
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use html5ever_atoms::LocalName;
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#[dom_struct]
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pub struct HTMLTitleElement {
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htmlelement: HTMLElement,
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}
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impl HTMLTitleElement {
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fn new_inherited(local_name: LocalName, prefix: Option<DOMString>, document: &Document) -> HTMLTitleElement {
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HTMLTitleElement {
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htmlelement: HTMLElement::new_inherited(local_name, prefix, document)
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}
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}
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#[allow(unrooted_must_root)]
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pub fn new(local_name: LocalName,
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prefix: Option<DOMString>,
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document: &Document) -> Root<HTMLTitleElement> {
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Node::reflect_node(box HTMLTitleElement::new_inherited(local_name, prefix, document),
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document,
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HTMLTitleElementBinding::Wrap)
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}
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}
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impl HTMLTitleElementMethods for HTMLTitleElement {
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// https://html.spec.whatwg.org/multipage/#dom-title-text
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fn Text(&self) -> DOMString {
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let mut content = String::new();
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for child in self.upcast::<Node>().children() {
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if let Some(text) = child.downcast::<Text>() {
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content.push_str(&text.upcast::<CharacterData>().data());
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}
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}
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DOMString::from(content)
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}
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// https://html.spec.whatwg.org/multipage/#dom-title-text
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fn SetText(&self, value: DOMString) {
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self.upcast::<Node>().SetTextContent(Some(value))
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}
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}
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impl VirtualMethods for HTMLTitleElement {
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fn super_type(&self) -> Option<&VirtualMethods> {
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Some(self.upcast::<HTMLElement>() as &VirtualMethods)
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}
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fn children_changed(&self, mutation: &ChildrenMutation) {
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if let Some(ref s) = self.super_type() {
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s.children_changed(mutation);
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}
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let node = self.upcast::<Node>();
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if node.is_in_doc() {
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node.owner_doc().title_changed();
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}
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}
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fn bind_to_tree(&self, tree_in_doc: bool) {
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if let Some(ref s) = self.super_type() {
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s.bind_to_tree(tree_in_doc);
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}
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let node = self.upcast::<Node>();
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if tree_in_doc {
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node.owner_doc().title_changed();
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}
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}
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}
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