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Introduce dom::htmlscriptelement::EventDispatcher.

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This commit is contained in:
Tetsuharu OHZEKI 2015-02-23 05:35:26 +09:00
parent 287f390c4a
commit 36722182c0
1 changed files with 19 additions and 10 deletions
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29
components/script/dom/htmlscriptelement.rs
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@ -40,8 +40,6 @@ use url::UrlParser;
pub struct HTMLScriptElement {
htmlelement: HTMLElement,
error_occurred: Cell<bool>,
/// https://html.spec.whatwg.org/multipage/scripting.html#already-started
already_started: Cell<bool>,
@ -70,7 +68,6 @@ impl HTMLScriptElement {
creator: ElementCreator) -> HTMLScriptElement {
HTMLScriptElement {
htmlelement: HTMLElement::new_inherited(HTMLElementTypeId::HTMLScriptElement, localName, prefix, document),
error_occurred: Cell::new(false),
already_started: Cell::new(false),
parser_inserted: Cell::new(creator == ElementCreator::ParserCreated),
non_blocking: Cell::new(creator != ElementCreator::ParserCreated),
@ -257,18 +254,25 @@ impl<'a> HTMLScriptElementHelpers for JSRef<'a, HTMLScriptElement> {
ScriptOrigin::Internal => {
let chan = window.script_chan();
let handler = Trusted::new(window.get_cx(), self, chan.clone());
chan.send(ScriptMsg::RunnableMsg(box handler)).unwrap();
let dispatcher = Box::new(EventDispatcher {
element: handler,
is_error: false,
});
chan.send(ScriptMsg::RunnableMsg(dispatcher)).unwrap();
}
}
}
fn queue_error_event(self) {
self.error_occurred.set(true);
let window = window_from_node(self).root();
let window = window.r();
let chan = window.script_chan();
let handler = Trusted::new(window.get_cx(), self, chan.clone());
chan.send(ScriptMsg::RunnableMsg(box handler)).unwrap();
let dispatcher = Box::new(EventDispatcher {
element: handler,
is_error: true,
});
chan.send(ScriptMsg::RunnableMsg(dispatcher)).unwrap();
}
fn dispatch_load_event(self) {
@ -404,10 +408,15 @@ impl<'a> HTMLScriptElementMethods for JSRef<'a, HTMLScriptElement> {
}
}
impl Runnable for Trusted<HTMLScriptElement> {
fn handler(self: Box<Trusted<HTMLScriptElement>>) {
let target = self.to_temporary().root();
if target.r().error_occurred.get() {
struct EventDispatcher {
element: Trusted<HTMLScriptElement>,
is_error: bool,
}
impl Runnable for EventDispatcher {
fn handler(self: Box<EventDispatcher>) {
let target = self.element.to_temporary().root();
if self.is_error {
target.r().dispatch_error_event();
} else {
target.r().dispatch_load_event();