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
|
/* 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::attr::Attr;
use dom::bindings::cell::DOMRefCell;
use dom::bindings::codegen::Bindings::HTMLObjectElementBinding;
use dom::bindings::codegen::Bindings::HTMLObjectElementBinding::HTMLObjectElementMethods;
use dom::bindings::inheritance::Castable;
use dom::bindings::js::Root;
use dom::bindings::str::DOMString;
use dom::document::Document;
use dom::element::{AttributeMutation, Element};
use dom::htmlelement::HTMLElement;
use dom::htmlformelement::{FormControl, HTMLFormElement};
use dom::node::{Node, window_from_node};
use dom::validation::Validatable;
use dom::validitystate::ValidityState;
use dom::virtualmethods::VirtualMethods;
use net_traits::image::base::Image;
use std::sync::Arc;
use string_cache::Atom;
#[dom_struct]
pub struct HTMLObjectElement {
htmlelement: HTMLElement,
image: DOMRefCell<Option<Arc<Image>>>,
}
impl HTMLObjectElement {
fn new_inherited(localName: Atom,
prefix: Option<DOMString>,
document: &Document) -> HTMLObjectElement {
HTMLObjectElement {
htmlelement:
HTMLElement::new_inherited(localName, prefix, document),
image: DOMRefCell::new(None),
}
}
#[allow(unrooted_must_root)]
pub fn new(localName: Atom,
prefix: Option<DOMString>,
document: &Document) -> Root<HTMLObjectElement> {
let element = HTMLObjectElement::new_inherited(localName, prefix, document);
Node::reflect_node(box element, document, HTMLObjectElementBinding::Wrap)
}
}
trait ProcessDataURL {
fn process_data_url(&self);
}
impl<'a> ProcessDataURL for &'a HTMLObjectElement {
// Makes the local `data` member match the status of the `data` attribute and starts
/// prefetching the image. This method must be called after `data` is changed.
fn process_data_url(&self) {
let elem = self.upcast::<Element>();
// TODO: support other values
match (elem.get_attribute(&ns!(), &atom!("type")),
elem.get_attribute(&ns!(), &atom!("data"))) {
(None, Some(_uri)) => {
// TODO(gw): Prefetch the image here.
}
_ => { }
}
}
}
pub fn is_image_data(uri: &str) -> bool {
static TYPES: &'static [&'static str] = &["data:image/png", "data:image/gif", "data:image/jpeg"];
TYPES.iter().any(|&type_| uri.starts_with(type_))
}
impl HTMLObjectElementMethods for HTMLObjectElement {
// https://html.spec.whatwg.org/multipage/#dom-cva-validity
fn Validity(&self) -> Root<ValidityState> {
let window = window_from_node(self);
ValidityState::new(window.r(), self.upcast())
}
// https://html.spec.whatwg.org/multipage/#dom-object-type
make_getter!(Type, "type");
// https://html.spec.whatwg.org/multipage/#dom-object-type
make_setter!(SetType, "type");
// https://html.spec.whatwg.org/multipage/#dom-fae-form
fn GetForm(&self) -> Option<Root<HTMLFormElement>> {
self.form_owner()
}
}
impl Validatable for HTMLObjectElement {}
impl VirtualMethods for HTMLObjectElement {
fn super_type(&self) -> Option<&VirtualMethods> {
Some(self.upcast::<HTMLElement>() as &VirtualMethods)
}
fn attribute_mutated(&self, attr: &Attr, mutation: AttributeMutation) {
self.super_type().unwrap().attribute_mutated(attr, mutation);
match attr.local_name() {
&atom!("data") => {
if let AttributeMutation::Set(_) = mutation {
self.process_data_url();
}
},
_ => {},
}
}
}
impl FormControl for HTMLObjectElement {}
|
