forked from mirrors/gecko-dev
8a68e5aa5a
Source-Repo: https://github.com/servo/servo Source-Revision: e315da07319c115bd85f7da1baa1cf0577a1980b
101 lines
3.7 KiB
Rust
101 lines
3.7 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
use dom::bindings::codegen::Bindings::DocumentFragmentBinding;
|
|
use dom::bindings::codegen::Bindings::DocumentFragmentBinding::DocumentFragmentMethods;
|
|
use dom::bindings::codegen::Bindings::WindowBinding::WindowMethods;
|
|
use dom::bindings::codegen::UnionTypes::NodeOrString;
|
|
use dom::bindings::error::{ErrorResult, Fallible};
|
|
use dom::bindings::inheritance::Castable;
|
|
use dom::bindings::js::Root;
|
|
use dom::bindings::str::DOMString;
|
|
use dom::document::Document;
|
|
use dom::element::Element;
|
|
use dom::htmlcollection::HTMLCollection;
|
|
use dom::node::{Node, window_from_node};
|
|
use dom::nodelist::NodeList;
|
|
use dom::window::Window;
|
|
use servo_atoms::Atom;
|
|
|
|
// https://dom.spec.whatwg.org/#documentfragment
|
|
#[dom_struct]
|
|
pub struct DocumentFragment {
|
|
node: Node,
|
|
}
|
|
|
|
impl DocumentFragment {
|
|
/// Creates a new DocumentFragment.
|
|
fn new_inherited(document: &Document) -> DocumentFragment {
|
|
DocumentFragment {
|
|
node: Node::new_inherited(document),
|
|
}
|
|
}
|
|
|
|
pub fn new(document: &Document) -> Root<DocumentFragment> {
|
|
Node::reflect_node(box DocumentFragment::new_inherited(document),
|
|
document,
|
|
DocumentFragmentBinding::Wrap)
|
|
}
|
|
|
|
pub fn Constructor(window: &Window) -> Fallible<Root<DocumentFragment>> {
|
|
let document = window.Document();
|
|
|
|
Ok(DocumentFragment::new(&document))
|
|
}
|
|
}
|
|
|
|
impl DocumentFragmentMethods for DocumentFragment {
|
|
// https://dom.spec.whatwg.org/#dom-parentnode-children
|
|
fn Children(&self) -> Root<HTMLCollection> {
|
|
let window = window_from_node(self);
|
|
HTMLCollection::children(&window, self.upcast())
|
|
}
|
|
|
|
// https://dom.spec.whatwg.org/#dom-nonelementparentnode-getelementbyid
|
|
fn GetElementById(&self, id: DOMString) -> Option<Root<Element>> {
|
|
let node = self.upcast::<Node>();
|
|
let id = Atom::from(id);
|
|
node.traverse_preorder().filter_map(Root::downcast::<Element>).find(|descendant| {
|
|
match descendant.get_attribute(&ns!(), &local_name!("id")) {
|
|
None => false,
|
|
Some(attr) => *attr.value().as_atom() == id,
|
|
}
|
|
})
|
|
}
|
|
|
|
// https://dom.spec.whatwg.org/#dom-parentnode-firstelementchild
|
|
fn GetFirstElementChild(&self) -> Option<Root<Element>> {
|
|
self.upcast::<Node>().child_elements().next()
|
|
}
|
|
|
|
// https://dom.spec.whatwg.org/#dom-parentnode-lastelementchild
|
|
fn GetLastElementChild(&self) -> Option<Root<Element>> {
|
|
self.upcast::<Node>().rev_children().filter_map(Root::downcast::<Element>).next()
|
|
}
|
|
|
|
// https://dom.spec.whatwg.org/#dom-parentnode-childelementcount
|
|
fn ChildElementCount(&self) -> u32 {
|
|
self.upcast::<Node>().child_elements().count() as u32
|
|
}
|
|
|
|
// https://dom.spec.whatwg.org/#dom-parentnode-prepend
|
|
fn Prepend(&self, nodes: Vec<NodeOrString>) -> ErrorResult {
|
|
self.upcast::<Node>().prepend(nodes)
|
|
}
|
|
|
|
// https://dom.spec.whatwg.org/#dom-parentnode-append
|
|
fn Append(&self, nodes: Vec<NodeOrString>) -> ErrorResult {
|
|
self.upcast::<Node>().append(nodes)
|
|
}
|
|
|
|
// https://dom.spec.whatwg.org/#dom-parentnode-queryselector
|
|
fn QuerySelector(&self, selectors: DOMString) -> Fallible<Option<Root<Element>>> {
|
|
self.upcast::<Node>().query_selector(selectors)
|
|
}
|
|
|
|
// https://dom.spec.whatwg.org/#dom-parentnode-queryselectorall
|
|
fn QuerySelectorAll(&self, selectors: DOMString) -> Fallible<Root<NodeList>> {
|
|
self.upcast::<Node>().query_selector_all(selectors)
|
|
}
|
|
}
|