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/* 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::conversions::Castable;
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::htmlcollection::HTMLCollection;
use dom::node::{Node, 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 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(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(), self.upcast::<Node>())
}
// 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_slice(&id);
node.traverse_preorder().filter_map(Root::downcast::<Element>).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>> {
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>>> {
let root = self.upcast::<Node>();
root.query_selector(selectors)
}
// https://dom.spec.whatwg.org/#dom-parentnode-queryselectorall
fn QuerySelectorAll(&self, selectors: DOMString) -> Fallible<Root<NodeList>> {
let root = self.upcast::<Node>();
root.query_selector_all(selectors)
}
}
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