forked from mirrors/gecko-dev
e8b504412b
for #8130 Source-Repo: https://github.com/servo/servo Source-Revision: daad09d44245228fba9118316937add71bec7c58
111 lines
3.7 KiB
Rust
111 lines
3.7 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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use dom::attr::Attr;
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use dom::bindings::cell::DOMRefCell;
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use dom::bindings::codegen::Bindings::HTMLObjectElementBinding;
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use dom::bindings::codegen::Bindings::HTMLObjectElementBinding::HTMLObjectElementMethods;
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use dom::bindings::inheritance::Castable;
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use dom::bindings::js::Root;
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use dom::document::Document;
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use dom::element::{AttributeMutation, Element};
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use dom::htmlelement::HTMLElement;
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use dom::htmlformelement::{FormControl, HTMLFormElement};
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use dom::node::{Node, window_from_node};
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use dom::validitystate::ValidityState;
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use dom::virtualmethods::VirtualMethods;
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use net_traits::image::base::Image;
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use std::sync::Arc;
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use util::str::DOMString;
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#[dom_struct]
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pub struct HTMLObjectElement {
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htmlelement: HTMLElement,
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image: DOMRefCell<Option<Arc<Image>>>,
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}
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impl HTMLObjectElement {
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fn new_inherited(localName: DOMString,
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prefix: Option<DOMString>,
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document: &Document) -> HTMLObjectElement {
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HTMLObjectElement {
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htmlelement:
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HTMLElement::new_inherited(localName, prefix, document),
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image: DOMRefCell::new(None),
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}
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}
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#[allow(unrooted_must_root)]
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pub fn new(localName: DOMString,
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prefix: Option<DOMString>,
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document: &Document) -> Root<HTMLObjectElement> {
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let element = HTMLObjectElement::new_inherited(localName, prefix, document);
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Node::reflect_node(box element, document, HTMLObjectElementBinding::Wrap)
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}
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}
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trait ProcessDataURL {
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fn process_data_url(&self);
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}
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impl<'a> ProcessDataURL for &'a HTMLObjectElement {
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// Makes the local `data` member match the status of the `data` attribute and starts
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/// prefetching the image. This method must be called after `data` is changed.
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fn process_data_url(&self) {
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let elem = self.upcast::<Element>();
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// TODO: support other values
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match (elem.get_attribute(&ns!(""), &atom!("type")),
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elem.get_attribute(&ns!(""), &atom!("data"))) {
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(None, Some(_uri)) => {
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// TODO(gw): Prefetch the image here.
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}
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_ => { }
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}
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}
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}
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pub fn is_image_data(uri: &str) -> bool {
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static TYPES: &'static [&'static str] = &["data:image/png", "data:image/gif", "data:image/jpeg"];
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TYPES.iter().any(|&type_| uri.starts_with(type_))
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}
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impl HTMLObjectElementMethods for HTMLObjectElement {
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// https://html.spec.whatwg.org/multipage/#dom-cva-validity
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fn Validity(&self) -> Root<ValidityState> {
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let window = window_from_node(self);
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ValidityState::new(window.r())
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}
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// https://html.spec.whatwg.org/multipage/#dom-object-type
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make_getter!(Type);
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// https://html.spec.whatwg.org/multipage/#dom-object-type
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make_setter!(SetType, "type");
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// https://html.spec.whatwg.org/multipage/#dom-fae-form
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fn GetForm(&self) -> Option<Root<HTMLFormElement>> {
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self.form_owner()
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}
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}
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impl VirtualMethods for HTMLObjectElement {
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fn super_type(&self) -> Option<&VirtualMethods> {
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Some(self.upcast::<HTMLElement>() as &VirtualMethods)
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}
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fn attribute_mutated(&self, attr: &Attr, mutation: AttributeMutation) {
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self.super_type().unwrap().attribute_mutated(attr, mutation);
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match attr.local_name() {
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&atom!(data) => {
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if let AttributeMutation::Set(_) = mutation {
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self.process_data_url();
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}
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},
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_ => {},
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}
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}
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}
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impl FormControl for HTMLObjectElement {}
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