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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;
use dom::attr::AttrHelpers;
use dom::bindings::cell::DOMRefCell;
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::Root;
use dom::document::Document;
use dom::element::AttributeHandlers;
use dom::element::ElementTypeId;
use dom::eventtarget::{EventTarget, EventTargetTypeId};
use dom::htmlelement::{HTMLElement, HTMLElementTypeId};
use dom::node::{Node, NodeTypeId, NodeHelpers, window_from_node};
use dom::validitystate::ValidityState;
use dom::virtualmethods::VirtualMethods;
use net_traits::image::base::Image;
use std::sync::Arc;
use util::str::DOMString;
#[dom_struct]
#[derive(HeapSizeOf)]
pub struct HTMLObjectElement {
htmlelement: HTMLElement,
image: DOMRefCell<Option<Arc<Image>>>,
}
impl HTMLObjectElementDerived for EventTarget {
fn is_htmlobjectelement(&self) -> bool {
*self.type_id() ==
EventTargetTypeId::Node(
NodeTypeId::Element(ElementTypeId::HTMLElement(HTMLElementTypeId::HTMLObjectElement)))
}
}
impl HTMLObjectElement {
fn new_inherited(localName: DOMString,
prefix: Option<DOMString>,
document: &Document) -> HTMLObjectElement {
HTMLObjectElement {
htmlelement:
HTMLElement::new_inherited(HTMLElementTypeId::HTMLObjectElement, localName, prefix, document),
image: DOMRefCell::new(None),
}
}
#[allow(unrooted_must_root)]
pub fn new(localName: DOMString,
prefix: Option<DOMString>,
document: &Document) -> Root<HTMLObjectElement> {
let element = HTMLObjectElement::new_inherited(localName, prefix, document);
Node::reflect_node(box element, document, HTMLObjectElementBinding::Wrap)
}
}
trait ProcessDataURL {
fn process_data_url(&self);
}
impl<'a> ProcessDataURL for &'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) {
let elem = ElementCast::from_ref(*self);
// TODO: support other values
match (elem.get_attribute(&ns!(""), &atom!("type")).map(|x| x.r().Value()),
elem.get_attribute(&ns!(""), &atom!("data")).map(|x| x.r().Value())) {
(None, Some(_uri)) => {
// TODO(gw): Prefetch the image here.
}
_ => { }
}
}
}
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 &'a HTMLObjectElement {
// https://html.spec.whatwg.org/multipage/#dom-cva-validity
fn Validity(self) -> Root<ValidityState> {
let window = window_from_node(self);
ValidityState::new(window.r())
}
// https://html.spec.whatwg.org/multipage/#dom-object-type
make_getter!(Type);
// https://html.spec.whatwg.org/multipage/#dom-object-type
make_setter!(SetType, "type");
}
impl<'a> VirtualMethods for &'a HTMLObjectElement {
fn super_type<'b>(&'b self) -> Option<&'b VirtualMethods> {
let htmlelement: &&HTMLElement = HTMLElementCast::from_borrowed_ref(self);
Some(htmlelement as &VirtualMethods)
}
fn after_set_attr(&self, attr: &Attr) {
if let Some(ref s) = self.super_type() {
s.after_set_attr(attr);
}
match attr.local_name() {
&atom!("data") => {
self.process_data_url();
},
_ => ()
}
}
}
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