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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::attr::{Attr, AttrHelpers};
use dom::bindings::cell::DOMRefCell;
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::codegen::InheritTypes::{EventTargetCast};
use dom::bindings::codegen::InheritTypes::{HTMLBodyElementDerived, HTMLElementCast};
use dom::bindings::js::Root;
use dom::bindings::utils::Reflectable;
use dom::document::{Document, DocumentHelpers};
use dom::element::ElementTypeId;
use dom::eventtarget::{EventTarget, EventTargetTypeId, EventTargetHelpers};
use dom::htmlelement::{HTMLElement, HTMLElementTypeId};
use dom::node::{Node, NodeTypeId, window_from_node, document_from_node};
use dom::virtualmethods::VirtualMethods;
use dom::window::WindowHelpers;
use msg::constellation_msg::ConstellationChan;
use msg::constellation_msg::Msg as ConstellationMsg;
use cssparser::RGBA;
use util::str::{self, DOMString};
use url::{Url, UrlParser};
use std::borrow::ToOwned;
use std::cell::Cell;
use std::rc::Rc;
use time;
/// 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]
#[derive(HeapSizeOf)]
pub struct HTMLBodyElement {
htmlelement: HTMLElement,
background_color: Cell<Option<RGBA>>,
background: DOMRefCell<Option<Url>>
}
impl HTMLBodyElementDerived for EventTarget {
fn is_htmlbodyelement(&self) -> bool {
*self.type_id() == EventTargetTypeId::Node(NodeTypeId::Element(ElementTypeId::HTMLElement(
HTMLElementTypeId::HTMLBodyElement)))
}
}
impl HTMLBodyElement {
fn new_inherited(localName: DOMString, prefix: Option<DOMString>, document: &Document)
-> HTMLBodyElement {
HTMLBodyElement {
htmlelement: HTMLElement::new_inherited(HTMLElementTypeId::HTMLBodyElement,
localName,
prefix,
document),
background_color: Cell::new(None),
background: DOMRefCell::new(None)
}
}
#[allow(unrooted_must_root)]
pub fn new(localName: DOMString, prefix: Option<DOMString>, document: &Document)
-> Root<HTMLBodyElement> {
let element = HTMLBodyElement::new_inherited(localName, prefix, document);
Node::reflect_node(box element, document, HTMLBodyElementBinding::Wrap)
}
}
impl<'a> HTMLBodyElementMethods for &'a HTMLBodyElement {
// https://html.spec.whatwg.org/multipage#dom-body-bgcolor
make_getter!(BgColor, "bgcolor");
make_setter!(SetBgColor, "bgcolor");
// https://html.spec.whatwg.org/multipage/#the-body-element
fn GetOnunload(self) -> Option<Rc<EventHandlerNonNull>> {
let win = window_from_node(self);
win.r().GetOnunload()
}
// https://html.spec.whatwg.org/multipage/#the-body-element
fn SetOnunload(self, listener: Option<Rc<EventHandlerNonNull>>) {
let win = window_from_node(self);
win.r().SetOnunload(listener)
}
}
pub trait HTMLBodyElementHelpers {
fn get_background_color(self) -> Option<RGBA>;
fn get_background(self) -> Option<Url>;
}
impl<'a> HTMLBodyElementHelpers for &'a HTMLBodyElement {
fn get_background_color(self) -> Option<RGBA> {
self.background_color.get()
}
#[allow(unsafe_code)]
fn get_background(self) -> Option<Url> {
unsafe {
self.background.borrow_for_layout().clone()
}
}
}
impl<'a> VirtualMethods for &'a HTMLBodyElement {
fn super_type<'b>(&'b self) -> Option<&'b VirtualMethods> {
let element: &&HTMLElement = HTMLElementCast::from_borrowed_ref(self);
Some(element 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.r().Document();
document.r().set_reflow_timeout(time::precise_time_ns() + INITIAL_REFLOW_DELAY);
let ConstellationChan(ref chan) = window.r().constellation_chan();
let event = ConstellationMsg::HeadParsed;
chan.send(event).unwrap();
}
fn after_set_attr(&self, attr: &Attr) {
if let Some(ref s) = self.super_type() {
s.after_set_attr(attr);
}
let name = attr.local_name();
if name.starts_with("on") {
static FORWARDED_EVENTS: &'static [&'static str] =
&["onfocus", "onload", "onscroll", "onafterprint", "onbeforeprint",
"onbeforeunload", "onhashchange", "onlanguagechange", "onmessage",
"onoffline", "ononline", "onpagehide", "onpageshow", "onpopstate",
"onstorage", "onresize", "onunload", "onerror"];
let window = window_from_node(*self);
let (cx, url, reflector) = (window.r().get_cx(),
window.r().get_url(),
window.r().reflector().get_jsobject());
let evtarget =
if FORWARDED_EVENTS.iter().any(|&event| &**name == event) {
EventTargetCast::from_ref(window.r())
} else {
EventTargetCast::from_ref(*self)
};
evtarget.set_event_handler_uncompiled(cx, url, reflector,
&name[2..],
(**attr.value()).to_owned());
}
match attr.local_name() {
&atom!("bgcolor") => {
self.background_color.set(str::parse_legacy_color(&attr.value()).ok())
}
&atom!("background") => {
let doc = document_from_node(*self);
let base = doc.r().url();
*self.background.borrow_mut() = UrlParser::new().base_url(&base).parse(&attr.value()).ok();
}
_ => {}
}
}
fn before_remove_attr(&self, attr: &Attr) {
match self.super_type() {
Some(ref s) => s.before_remove_attr(attr),
_ => {}
}
match attr.local_name() {
&atom!("bgcolor") => self.background_color.set(None),
&atom!("background") => *self.background.borrow_mut() = None,
_ => {}
}
}
}
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