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
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
|
/* 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 cssparser::RGBA;
use dom::attr::{Attr, AttrValue};
use dom::bindings::codegen::Bindings::EventHandlerBinding::EventHandlerNonNull;
use dom::bindings::codegen::Bindings::HTMLBodyElementBinding::{self, HTMLBodyElementMethods};
use dom::bindings::codegen::Bindings::WindowBinding::WindowMethods;
use dom::bindings::inheritance::Castable;
use dom::bindings::js::{LayoutJS, Root};
use dom::bindings::reflector::Reflectable;
use dom::document::Document;
use dom::element::{AttributeMutation, Element, RawLayoutElementHelpers};
use dom::eventtarget::EventTarget;
use dom::htmlelement::HTMLElement;
use dom::node::{Node, document_from_node, window_from_node};
use dom::virtualmethods::VirtualMethods;
use msg::constellation_msg::ConstellationChan;
use script_traits::ScriptMsg as ConstellationMsg;
use std::rc::Rc;
use string_cache::Atom;
use time;
use url::Url;
use util::str::DOMString;
/// How long we should wait before performing the initial reflow after `<body>` is parsed, in
/// nanoseconds.
const INITIAL_REFLOW_DELAY: u64 = 200_000_000;
#[dom_struct]
pub struct HTMLBodyElement {
htmlelement: HTMLElement,
}
impl HTMLBodyElement {
fn new_inherited(localName: Atom, prefix: Option<DOMString>, document: &Document)
-> HTMLBodyElement {
HTMLBodyElement {
htmlelement: HTMLElement::new_inherited(localName, prefix, document),
}
}
#[allow(unrooted_must_root)]
pub fn new(localName: Atom, prefix: Option<DOMString>, document: &Document)
-> Root<HTMLBodyElement> {
let element = HTMLBodyElement::new_inherited(localName, prefix, document);
Node::reflect_node(box element, document, HTMLBodyElementBinding::Wrap)
}
/// https://drafts.csswg.org/cssom-view/#the-html-body-element
pub fn is_the_html_body_element(&self) -> bool {
let self_node = self.upcast::<Node>();
let root_elem = self.upcast::<Element>().root_element();
let root_node = root_elem.upcast::<Node>();
root_node.is_parent_of(self_node) &&
self_node.preceding_siblings().all(|n| !n.is::<HTMLBodyElement>())
}
}
impl HTMLBodyElementMethods for HTMLBodyElement {
// https://html.spec.whatwg.org/multipage/#dom-body-bgcolor
make_getter!(BgColor, "bgcolor");
// https://html.spec.whatwg.org/multipage/#dom-body-bgcolor
make_legacy_color_setter!(SetBgColor, "bgcolor");
// https://html.spec.whatwg.org/multipage/#dom-body-text
make_getter!(Text, "text");
// https://html.spec.whatwg.org/multipage/#dom-body-text
make_legacy_color_setter!(SetText, "text");
// https://html.spec.whatwg.org/multipage/#the-body-element
fn GetOnunload(&self) -> Option<Rc<EventHandlerNonNull>> {
window_from_node(self).GetOnunload()
}
// https://html.spec.whatwg.org/multipage/#the-body-element
fn SetOnunload(&self, listener: Option<Rc<EventHandlerNonNull>>) {
window_from_node(self).SetOnunload(listener)
}
// https://html.spec.whatwg.org/multipage/#the-body-element
fn GetOnstorage(&self) -> Option<Rc<EventHandlerNonNull>> {
window_from_node(self).GetOnstorage()
}
// https://html.spec.whatwg.org/multipage/#the-body-element
fn SetOnstorage(&self, listener: Option<Rc<EventHandlerNonNull>>) {
window_from_node(self).SetOnstorage(listener)
}
// https://html.spec.whatwg.org/multipage/#dom-body-background
make_getter!(Background, "background");
// https://html.spec.whatwg.org/multipage/#dom-body-background
make_url_setter!(SetBackground, "background");
}
pub trait HTMLBodyElementLayoutHelpers {
fn get_background_color(&self) -> Option<RGBA>;
fn get_color(&self) -> Option<RGBA>;
fn get_background(&self) -> Option<Url>;
}
impl HTMLBodyElementLayoutHelpers for LayoutJS<HTMLBodyElement> {
#[allow(unsafe_code)]
fn get_background_color(&self) -> Option<RGBA> {
unsafe {
(*self.upcast::<Element>().unsafe_get())
.get_attr_for_layout(&ns!(), &atom!("bgcolor"))
.and_then(AttrValue::as_color)
.cloned()
}
}
#[allow(unsafe_code)]
fn get_color(&self) -> Option<RGBA> {
unsafe {
(*self.upcast::<Element>().unsafe_get())
.get_attr_for_layout(&ns!(), &atom!("text"))
.and_then(AttrValue::as_color)
.cloned()
}
}
#[allow(unsafe_code)]
fn get_background(&self) -> Option<Url> {
unsafe {
(*self.upcast::<Element>().unsafe_get())
.get_attr_for_layout(&ns!(), &atom!("background"))
.and_then(AttrValue::as_url)
.cloned()
}
}
}
impl VirtualMethods for HTMLBodyElement {
fn super_type(&self) -> Option<&VirtualMethods> {
Some(self.upcast::<HTMLElement>() as &VirtualMethods)
}
fn bind_to_tree(&self, tree_in_doc: bool) {
if let Some(ref s) = self.super_type() {
s.bind_to_tree(tree_in_doc);
}
if !tree_in_doc {
return
}
let window = window_from_node(self);
let document = window.Document();
document.set_reflow_timeout(time::precise_time_ns() + INITIAL_REFLOW_DELAY);
let ConstellationChan(ref chan) = *window.constellation_chan();
let event = ConstellationMsg::HeadParsed;
chan.send(event).unwrap();
}
fn parse_plain_attribute(&self, name: &Atom, value: DOMString) -> AttrValue {
match *name {
atom!("bgcolor") |
atom!("text") => AttrValue::from_legacy_color(value),
atom!("background") => AttrValue::from_url(document_from_node(self).url(), value),
_ => self.super_type().unwrap().parse_plain_attribute(name, value),
}
}
fn attribute_mutated(&self, attr: &Attr, mutation: AttributeMutation) {
let do_super_mutate = match (attr.local_name(), mutation) {
(name, AttributeMutation::Set(_)) if name.starts_with("on") => {
let window = window_from_node(self);
// https://html.spec.whatwg.org/multipage/
// #event-handlers-on-elements,-document-objects,-and-window-objects:event-handlers-3
match name {
&atom!("onfocus") | &atom!("onload") | &atom!("onscroll") | &atom!("onafterprint") |
&atom!("onbeforeprint") | &atom!("onbeforeunload") | &atom!("onhashchange") |
&atom!("onlanguagechange") | &atom!("onmessage") | &atom!("onoffline") | &atom!("ononline") |
&atom!("onpagehide") | &atom!("onpageshow") | &atom!("onpopstate") | &atom!("onstorage") |
&atom!("onresize") | &atom!("onunload") | &atom!("onerror")
=> {
let evtarget = window.upcast::<EventTarget>(); // forwarded event
let source_line = 1; //TODO(#9604) obtain current JS execution line
evtarget.set_event_handler_uncompiled(window.get_url(),
source_line,
&name[2..],
DOMString::from((**attr.value()).to_owned()));
false
}
_ => true, // HTMLElement::attribute_mutated will take care of this.
}
},
_ => true,
};
if do_super_mutate {
self.super_type().unwrap().attribute_mutated(attr, mutation);
}
}
}
|
