forked from mirrors/gecko-dev
6d6557091f
This is the interface where Document.getElementById() belong. Source-Repo: https://github.com/servo/servo Source-Revision: 4c64c870c63bc41728ccd371e19fc4246427aa2c
110 lines
4.1 KiB
Rust
110 lines
4.1 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::InheritTypes::DocumentFragmentDerived;
|
|
use dom::bindings::codegen::InheritTypes::{ElementCast, NodeCast};
|
|
use dom::bindings::codegen::UnionTypes::NodeOrString;
|
|
use dom::bindings::error::{ErrorResult, Fallible};
|
|
use dom::bindings::global::GlobalRef;
|
|
use dom::bindings::js::Root;
|
|
use dom::document::Document;
|
|
use dom::element::Element;
|
|
use dom::eventtarget::{EventTarget, EventTargetTypeId};
|
|
use dom::htmlcollection::HTMLCollection;
|
|
use dom::node::{Node, NodeTypeId, window_from_node};
|
|
use dom::nodelist::NodeList;
|
|
use string_cache::Atom;
|
|
use util::str::DOMString;
|
|
|
|
// https://dom.spec.whatwg.org/#documentfragment
|
|
#[dom_struct]
|
|
pub struct DocumentFragment {
|
|
node: Node,
|
|
}
|
|
|
|
impl DocumentFragmentDerived for EventTarget {
|
|
fn is_documentfragment(&self) -> bool {
|
|
*self.type_id() == EventTargetTypeId::Node(NodeTypeId::DocumentFragment)
|
|
}
|
|
}
|
|
|
|
impl DocumentFragment {
|
|
/// Creates a new DocumentFragment.
|
|
fn new_inherited(document: &Document) -> DocumentFragment {
|
|
DocumentFragment {
|
|
node: Node::new_inherited(NodeTypeId::DocumentFragment, document),
|
|
}
|
|
}
|
|
|
|
pub fn new(document: &Document) -> Root<DocumentFragment> {
|
|
Node::reflect_node(box DocumentFragment::new_inherited(document),
|
|
document, DocumentFragmentBinding::Wrap)
|
|
}
|
|
|
|
pub fn Constructor(global: GlobalRef) -> Fallible<Root<DocumentFragment>> {
|
|
let document = global.as_window().Document();
|
|
|
|
Ok(DocumentFragment::new(document.r()))
|
|
}
|
|
}
|
|
|
|
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.r(), NodeCast::from_ref(self))
|
|
}
|
|
|
|
// https://dom.spec.whatwg.org/#dom-nonelementparentnode-getelementbyid
|
|
fn GetElementById(&self, id: DOMString) -> Option<Root<Element>> {
|
|
let node = NodeCast::from_ref(self);
|
|
let id = Atom::from_slice(&id);
|
|
node.traverse_preorder().filter_map(ElementCast::to_root).find(|descendant| {
|
|
match descendant.get_attribute(&ns!(""), &atom!(id)) {
|
|
None => false,
|
|
Some(attr) => *attr.value().as_atom() == id,
|
|
}
|
|
})
|
|
}
|
|
|
|
// https://dom.spec.whatwg.org/#dom-parentnode-firstelementchild
|
|
fn GetFirstElementChild(&self) -> Option<Root<Element>> {
|
|
NodeCast::from_ref(self).child_elements().next()
|
|
}
|
|
|
|
// https://dom.spec.whatwg.org/#dom-parentnode-lastelementchild
|
|
fn GetLastElementChild(&self) -> Option<Root<Element>> {
|
|
NodeCast::from_ref(self).rev_children().filter_map(ElementCast::to_root).next()
|
|
}
|
|
|
|
// https://dom.spec.whatwg.org/#dom-parentnode-childelementcount
|
|
fn ChildElementCount(&self) -> u32 {
|
|
NodeCast::from_ref(self).child_elements().count() as u32
|
|
}
|
|
|
|
// https://dom.spec.whatwg.org/#dom-parentnode-prepend
|
|
fn Prepend(&self, nodes: Vec<NodeOrString>) -> ErrorResult {
|
|
NodeCast::from_ref(self).prepend(nodes)
|
|
}
|
|
|
|
// https://dom.spec.whatwg.org/#dom-parentnode-append
|
|
fn Append(&self, nodes: Vec<NodeOrString>) -> ErrorResult {
|
|
NodeCast::from_ref(self).append(nodes)
|
|
}
|
|
|
|
// https://dom.spec.whatwg.org/#dom-parentnode-queryselector
|
|
fn QuerySelector(&self, selectors: DOMString) -> Fallible<Option<Root<Element>>> {
|
|
let root = NodeCast::from_ref(self);
|
|
root.query_selector(selectors)
|
|
}
|
|
|
|
// https://dom.spec.whatwg.org/#dom-parentnode-queryselectorall
|
|
fn QuerySelectorAll(&self, selectors: DOMString) -> Fallible<Root<NodeList>> {
|
|
let root = NodeCast::from_ref(self);
|
|
root.query_selector_all(selectors)
|
|
}
|
|
}
|