1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
|
/* 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 https://mozilla.org/MPL/2.0/. */
use crate::dom::bindings::cell::DomRefCell;
use crate::dom::bindings::codegen::Bindings::DocumentFragmentBinding::DocumentFragmentMethods;
use crate::dom::bindings::codegen::Bindings::WindowBinding::WindowMethods;
use crate::dom::bindings::codegen::UnionTypes::NodeOrString;
use crate::dom::bindings::error::{ErrorResult, Fallible};
use crate::dom::bindings::inheritance::Castable;
use crate::dom::bindings::root::{Dom, DomRoot};
use crate::dom::bindings::str::DOMString;
use crate::dom::document::Document;
use crate::dom::element::Element;
use crate::dom::htmlcollection::HTMLCollection;
use crate::dom::node::{window_from_node, Node};
use crate::dom::nodelist::NodeList;
use crate::dom::window::Window;
use dom_struct::dom_struct;
use js::rust::HandleObject;
use servo_atoms::Atom;
use super::bindings::trace::HashMapTracedValues;
// https://dom.spec.whatwg.org/#documentfragment
#[dom_struct]
pub struct DocumentFragment {
node: Node,
/// Caches for the getElement methods
id_map: DomRefCell<HashMapTracedValues<Atom, Vec<Dom<Element>>>>,
}
impl DocumentFragment {
/// Creates a new DocumentFragment.
pub fn new_inherited(document: &Document) -> DocumentFragment {
DocumentFragment {
node: Node::new_inherited(document),
id_map: DomRefCell::new(HashMapTracedValues::new()),
}
}
pub fn new(document: &Document) -> DomRoot<DocumentFragment> {
Self::new_with_proto(document, None)
}
fn new_with_proto(
document: &Document,
proto: Option<HandleObject>,
) -> DomRoot<DocumentFragment> {
Node::reflect_node_with_proto(
Box::new(DocumentFragment::new_inherited(document)),
document,
proto,
)
}
#[allow(non_snake_case)]
pub fn Constructor(
window: &Window,
proto: Option<HandleObject>,
) -> Fallible<DomRoot<DocumentFragment>> {
let document = window.Document();
Ok(DocumentFragment::new_with_proto(&document, proto))
}
pub fn id_map(&self) -> &DomRefCell<HashMapTracedValues<Atom, Vec<Dom<Element>>>> {
&self.id_map
}
}
impl DocumentFragmentMethods for DocumentFragment {
// https://dom.spec.whatwg.org/#dom-parentnode-children
fn Children(&self) -> DomRoot<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<DomRoot<Element>> {
let id = Atom::from(id);
self.id_map
.borrow()
.get(&id)
.map(|ref elements| DomRoot::from_ref(&*(*elements)[0]))
}
// https://dom.spec.whatwg.org/#dom-parentnode-firstelementchild
fn GetFirstElementChild(&self) -> Option<DomRoot<Element>> {
self.upcast::<Node>().child_elements().next()
}
// https://dom.spec.whatwg.org/#dom-parentnode-lastelementchild
fn GetLastElementChild(&self) -> Option<DomRoot<Element>> {
self.upcast::<Node>()
.rev_children()
.filter_map(DomRoot::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-replacechildren
fn ReplaceChildren(&self, nodes: Vec<NodeOrString>) -> ErrorResult {
self.upcast::<Node>().replace_children(nodes)
}
// https://dom.spec.whatwg.org/#dom-parentnode-queryselector
fn QuerySelector(&self, selectors: DOMString) -> Fallible<Option<DomRoot<Element>>> {
self.upcast::<Node>().query_selector(selectors)
}
// https://dom.spec.whatwg.org/#dom-parentnode-queryselectorall
fn QuerySelectorAll(&self, selectors: DOMString) -> Fallible<DomRoot<NodeList>> {
self.upcast::<Node>().query_selector_all(selectors)
}
}
|
