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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::bindings::codegen::Bindings::AttrBinding::AttrMethods;
use dom::bindings::codegen::Bindings::HTMLObjectElementBinding;
use dom::bindings::codegen::Bindings::HTMLObjectElementBinding::HTMLObjectElementMethods;
use dom::bindings::codegen::InheritTypes::HTMLObjectElementDerived;
use dom::bindings::codegen::InheritTypes::{ElementCast, HTMLElementCast};
use dom::bindings::js::{JSRef, Temporary};
use dom::bindings::utils::{Reflectable, Reflector};
use dom::document::Document;
use dom::element::{Element, HTMLObjectElementTypeId};
use dom::element::AttributeHandlers;
use dom::eventtarget::{EventTarget, NodeTargetTypeId};
use dom::htmlelement::HTMLElement;
use dom::node::{Node, ElementNodeTypeId, NodeHelpers, window_from_node};
use dom::validitystate::ValidityState;
use dom::virtualmethods::VirtualMethods;
use servo_net::image_cache_task;
use servo_net::image_cache_task::ImageCacheTask;
use servo_util::str::DOMString;
use string_cache::Atom;
use url::Url;
#[jstraceable]
#[must_root]
#[privatize]
pub struct HTMLObjectElement {
htmlelement: HTMLElement,
}
impl HTMLObjectElementDerived for EventTarget {
fn is_htmlobjectelement(&self) -> bool {
*self.type_id() == NodeTargetTypeId(ElementNodeTypeId(HTMLObjectElementTypeId))
}
}
impl HTMLObjectElement {
fn new_inherited(localName: DOMString, prefix: Option<DOMString>, document: JSRef<Document>) -> HTMLObjectElement {
HTMLObjectElement {
htmlelement: HTMLElement::new_inherited(HTMLObjectElementTypeId, localName, prefix, document),
}
}
#[allow(unrooted_must_root)]
pub fn new(localName: DOMString, prefix: Option<DOMString>, document: JSRef<Document>) -> Temporary<HTMLObjectElement> {
let element = HTMLObjectElement::new_inherited(localName, prefix, document);
Node::reflect_node(box element, document, HTMLObjectElementBinding::Wrap)
}
}
trait ProcessDataURL {
fn process_data_url(&self, image_cache: ImageCacheTask);
}
impl<'a> ProcessDataURL for JSRef<'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, image_cache: ImageCacheTask) {
let elem: JSRef<Element> = ElementCast::from_ref(*self);
// TODO: support other values
match (elem.get_attribute(ns!(""), "type").map(|x| x.root().Value()),
elem.get_attribute(ns!(""), "data").map(|x| x.root().Value())) {
(None, Some(uri)) => {
if is_image_data(uri.as_slice()) {
let data_url = Url::parse(uri.as_slice()).unwrap();
// Issue #84
image_cache.send(image_cache_task::Prefetch(data_url));
}
}
_ => { }
}
}
}
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<'a> HTMLObjectElementMethods for JSRef<'a, HTMLObjectElement> {
fn Validity(self) -> Temporary<ValidityState> {
let window = window_from_node(self).root();
ValidityState::new(*window)
}
// https://html.spec.whatwg.org/multipage/embedded-content.html#dom-object-type
make_getter!(Type)
// https://html.spec.whatwg.org/multipage/embedded-content.html#dom-object-type
make_setter!(SetType, "type")
}
impl<'a> VirtualMethods for JSRef<'a, HTMLObjectElement> {
fn super_type<'a>(&'a self) -> Option<&'a VirtualMethods> {
let htmlelement: &JSRef<HTMLElement> = HTMLElementCast::from_borrowed_ref(self);
Some(htmlelement as &VirtualMethods)
}
fn after_set_attr(&self, name: &Atom, value: DOMString) {
match self.super_type() {
Some(ref s) => s.after_set_attr(name, value),
_ => (),
}
if "data" == name.as_slice() {
let window = window_from_node(*self).root();
self.process_data_url(window.image_cache_task.clone());
}
}
}
impl Reflectable for HTMLObjectElement {
fn reflector<'a>(&'a self) -> &'a Reflector {
self.htmlelement.reflector()
}
}
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