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Support object element data.

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This commit is contained in:
Youngmin Yoo 2014-02-10 15:59:27 +09:00
parent 13f9a66632
commit 5ea247253e
1 changed files with 38 additions and 2 deletions
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40
src/components/script/dom/htmlobjectelement.rs
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@ -12,14 +12,21 @@ use dom::validitystate::ValidityState;
use dom::windowproxy::WindowProxy;
use servo_util::str::DOMString;
use extra::url::Url;
use servo_net::image_cache_task;
use servo_net::image_cache_task::ImageCacheTask;
use servo_util::url::parse_url;
use servo_util::namespace::Null;
use servo_util::url::is_image_data;
pub struct HTMLObjectElement {
htmlelement: HTMLElement
htmlelement: HTMLElement,
}
impl HTMLObjectElement {
pub fn new_inherited(localName: DOMString, document: AbstractDocument) -> HTMLObjectElement {
HTMLObjectElement {
htmlelement: HTMLElement::new_inherited(HTMLObjectElementTypeId, localName, document)
htmlelement: HTMLElement::new_inherited(HTMLObjectElementTypeId, localName, document),
}
}
@ -30,6 +37,35 @@ impl HTMLObjectElement {
}
impl 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.
pub fn process_data_url(&mut self, image_cache: ImageCacheTask, url: Option<Url>) {
let elem = &mut self.htmlelement.element;
// TODO: support other values
match (elem.get_attribute(Null, "type").map(|x| x.Value()),
elem.get_attribute(Null, "data").map(|x| x.Value())) {
(None, Some(uri)) => {
if is_image_data(uri) {
let data_url = parse_url(uri, url);
// Issue #84
image_cache.send(image_cache_task::Prefetch(data_url));
}
}
_ => { }
}
}
pub fn AfterSetAttr(&mut self, name: DOMString, _value: DOMString) {
if "data" == name {
let document = self.htmlelement.element.node.owner_doc();
let window = document.document().window;
let url = window.page.url.as_ref().map(|&(ref url, _)| url.clone());
self.process_data_url(window.image_cache_task.clone(), url);
}
}
pub fn Data(&self) -> DOMString {
~""
}