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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 cssparser::RGBA;
use dom::attr::{Attr, AttrValue};
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::conversions::Castable;
use dom::bindings::js::Root;
use dom::bindings::utils::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 msg::constellation_msg::Msg as ConstellationMsg;
use std::borrow::ToOwned;
use std::cell::Cell;
use std::rc::Rc;
use string_cache::Atom;
use time;
use url::{Url, UrlParser};
use util::str::{self, 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,
background_color: Cell<Option<RGBA>>,
background: DOMRefCell<Option<Url>>
}
impl HTMLBodyElement {
fn new_inherited(localName: DOMString, prefix: Option<DOMString>, document: &Document)
-> HTMLBodyElement {
HTMLBodyElement {
htmlelement: HTMLElement::new_inherited(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 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_setter!(SetBgColor, "bgcolor");
// https://html.spec.whatwg.org/multipage/#dom-body-text
make_getter!(Text);
// https://html.spec.whatwg.org/multipage/#dom-body-text
fn SetText(&self, value: DOMString) {
let element = self.upcast::<Element>();
let color = str::parse_legacy_color(&value).ok();
element.set_attribute(&atom!("text"), AttrValue::Color(value, color));
}
// 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)
}
// https://html.spec.whatwg.org/multipage/#the-body-element
fn GetOnstorage(&self) -> Option<Rc<EventHandlerNonNull>> {
let win = window_from_node(self);
win.r().GetOnstorage()
}
// https://html.spec.whatwg.org/multipage/#the-body-element
fn SetOnstorage(&self, listener: Option<Rc<EventHandlerNonNull>>) {
let win = window_from_node(self);
win.r().SetOnstorage(listener)
}
}
impl HTMLBodyElement {
pub fn get_background_color(&self) -> Option<RGBA> {
self.background_color.get()
}
#[allow(unsafe_code)]
pub fn get_color(&self) -> Option<RGBA> {
unsafe {
self.upcast::<Element>()
.get_attr_for_layout(&ns!(""), &atom!("text"))
.and_then(AttrValue::as_color)
.cloned()
}
}
#[allow(unsafe_code)]
pub fn get_background(&self) -> Option<Url> {
unsafe {
self.background.borrow_for_layout().clone()
}
}
}
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.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 parse_plain_attribute(&self, name: &Atom, value: DOMString) -> AttrValue {
match name {
&atom!("text") => {
let parsed = str::parse_legacy_color(&value).ok();
AttrValue::Color(value, parsed)
},
_ => self.super_type().unwrap().parse_plain_attribute(name, value),
}
}
fn attribute_mutated(&self, attr: &Attr, mutation: AttributeMutation) {
self.super_type().unwrap().attribute_mutated(attr, mutation);
match (attr.local_name(), mutation) {
(&atom!(bgcolor), _) => {
self.background_color.set(mutation.new_value(attr).and_then(|value| {
str::parse_legacy_color(&value).ok()
}));
},
(&atom!(background), _) => {
*self.background.borrow_mut() = mutation.new_value(attr).and_then(|value| {
let document = document_from_node(self);
let base = document.url();
UrlParser::new().base_url(&base).parse(&value).ok()
});
},
(name, AttributeMutation::Set(_)) if name.starts_with("on") => {
let window = window_from_node(self);
let (cx, url, reflector) = (window.get_cx(),
window.get_url(),
window.reflector().get_jsobject());
let evtarget = 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)
=> window.upcast::<EventTarget>(), // forwarded event
_ => self.upcast::<EventTarget>(),
};
evtarget.set_event_handler_uncompiled(cx, url, reflector,
&name[2..],
(**attr.value()).to_owned());
},
_ => {}
}
}
}
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