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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::bindings::cell::DOMRefCell;
use dom::bindings::codegen::Bindings::HTMLObjectElementBinding;
use dom::bindings::codegen::Bindings::HTMLObjectElementBinding::HTMLObjectElementMethods;
use dom::bindings::inheritance::Castable;
use dom::bindings::js::{MutNullableJS, Root};
use dom::bindings::str::DOMString;
use dom::document::Document;
use dom::element::{AttributeMutation, Element};
use dom::htmlelement::HTMLElement;
use dom::htmlformelement::{FormControl, HTMLFormElement};
use dom::node::{Node, window_from_node};
use dom::validation::Validatable;
use dom::validitystate::{ValidityState, ValidationFlags};
use dom::virtualmethods::VirtualMethods;
use dom_struct::dom_struct;
use html5ever::{LocalName, Prefix};
use net_traits::image::base::Image;
use servo_arc::Arc;
use std::default::Default;
#[dom_struct]
pub struct HTMLObjectElement {
htmlelement: HTMLElement,
#[ignore_heap_size_of = "Arc"]
image: DOMRefCell<Option<Arc<Image>>>,
form_owner: MutNullableJS<HTMLFormElement>,
}
impl HTMLObjectElement {
fn new_inherited(local_name: LocalName,
prefix: Option<Prefix>,
document: &Document) -> HTMLObjectElement {
HTMLObjectElement {
htmlelement:
HTMLElement::new_inherited(local_name, prefix, document),
image: DOMRefCell::new(None),
form_owner: Default::default(),
}
}
#[allow(unrooted_must_root)]
pub fn new(local_name: LocalName,
prefix: Option<Prefix>,
document: &Document) -> Root<HTMLObjectElement> {
Node::reflect_node(box HTMLObjectElement::new_inherited(local_name, prefix, document),
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 = self.upcast::<Element>();
// TODO: support other values
match (elem.get_attribute(&ns!(), &local_name!("type")),
elem.get_attribute(&ns!(), &local_name!("data"))) {
(None, Some(_uri)) => {
// TODO(gw): Prefetch the image here.
}
_ => { }
}
}
}
impl HTMLObjectElementMethods for HTMLObjectElement {
// https://html.spec.whatwg.org/multipage/#dom-cva-validity
fn Validity(&self) -> Root<ValidityState> {
let window = window_from_node(self);
ValidityState::new(&window, self.upcast())
}
// https://html.spec.whatwg.org/multipage/#dom-object-type
make_getter!(Type, "type");
// https://html.spec.whatwg.org/multipage/#dom-object-type
make_setter!(SetType, "type");
// https://html.spec.whatwg.org/multipage/#dom-fae-form
fn GetForm(&self) -> Option<Root<HTMLFormElement>> {
self.form_owner()
}
}
impl Validatable for HTMLObjectElement {
fn is_instance_validatable(&self) -> bool {
true
}
fn validate(&self, validate_flags: ValidationFlags) -> bool {
if validate_flags.is_empty() {}
// Need more flag check for different validation types later
true
}
}
impl VirtualMethods for HTMLObjectElement {
fn super_type(&self) -> Option<&VirtualMethods> {
Some(self.upcast::<HTMLElement>() as &VirtualMethods)
}
fn attribute_mutated(&self, attr: &Attr, mutation: AttributeMutation) {
self.super_type().unwrap().attribute_mutated(attr, mutation);
match attr.local_name() {
&local_name!("data") => {
if let AttributeMutation::Set(_) = mutation {
self.process_data_url();
}
},
&local_name!("form") => {
self.form_attribute_mutated(mutation);
},
_ => {},
}
}
}
impl FormControl for HTMLObjectElement {
fn form_owner(&self) -> Option<Root<HTMLFormElement>> {
self.form_owner.get()
}
fn set_form_owner(&self, form: Option<&HTMLFormElement>) {
self.form_owner.set(form);
}
fn to_element<'a>(&'a self) -> &'a Element {
self.upcast::<Element>()
}
}
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