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
|
/* 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 dom_struct::dom_struct;
use html5ever::{LocalName, Prefix, local_name, ns};
use js::rust::HandleObject;
use style::attr::AttrValue;
use crate::dom::attr::Attr;
use crate::dom::bindings::inheritance::Castable;
use crate::dom::bindings::root::DomRoot;
use crate::dom::bindings::str::DOMString;
use crate::dom::document::Document;
use crate::dom::element::AttributeMutation;
use crate::dom::node::{Node, NodeTraits};
use crate::dom::svggraphicselement::SVGGraphicsElement;
use crate::dom::virtualmethods::VirtualMethods;
use crate::script_runtime::CanGc;
/// <https://svgwg.org/svg2-draft/embedded.html#Placement>
const DEFAULT_WIDTH: u32 = 300;
const DEFAULT_HEIGHT: u32 = 150;
#[dom_struct]
pub(crate) struct SVGImageElement {
svggraphicselement: SVGGraphicsElement,
}
impl SVGImageElement {
fn new_inherited(
local_name: LocalName,
prefix: Option<Prefix>,
document: &Document,
) -> SVGImageElement {
SVGImageElement {
svggraphicselement: SVGGraphicsElement::new_inherited(local_name, prefix, document),
}
}
#[cfg_attr(crown, allow(crown::unrooted_must_root))]
pub(crate) fn new(
local_name: LocalName,
prefix: Option<Prefix>,
document: &Document,
proto: Option<HandleObject>,
can_gc: CanGc,
) -> DomRoot<SVGImageElement> {
Node::reflect_node_with_proto(
Box::new(SVGImageElement::new_inherited(local_name, prefix, document)),
document,
proto,
can_gc,
)
}
/// <https://svgwg.org/svg2-draft/linking.html#processingURL>
fn fetch_image_resource(&self) {
// TODO: Process and fetch the image resource (as HTMLImageElement).
// Reject any resource fetching request immediately.
self.owner_global()
.task_manager()
.dom_manipulation_task_source()
.queue_simple_event(self.upcast(), atom!("error"));
}
}
impl VirtualMethods for SVGImageElement {
fn super_type(&self) -> Option<&dyn VirtualMethods> {
Some(self.upcast::<SVGGraphicsElement>() as &dyn VirtualMethods)
}
fn attribute_mutated(&self, attr: &Attr, mutation: AttributeMutation, can_gc: CanGc) {
self.super_type()
.unwrap()
.attribute_mutated(attr, mutation, can_gc);
if attr.local_name() == &local_name!("href") &&
matches!(attr.namespace(), &ns!() | &ns!(xlink))
{
if let AttributeMutation::Set(_) = mutation {
self.fetch_image_resource();
}
}
}
fn parse_plain_attribute(&self, name: &LocalName, value: DOMString) -> AttrValue {
match *name {
local_name!("width") => AttrValue::from_u32(value.into(), DEFAULT_WIDTH),
local_name!("height") => AttrValue::from_u32(value.into(), DEFAULT_HEIGHT),
_ => self
.super_type()
.unwrap()
.parse_plain_attribute(name, value),
}
}
}
|
