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auto merge of #4540 : saneyuki/servo/internal, r=jdm

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Fix #4504
This commit is contained in:
bors-servo 2015-01-16 13:51:43 -07:00
commit 2a9acdcb73
1 changed files with 36 additions and 3 deletions
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39
components/script/dom/htmlscriptelement.rs
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@ -15,6 +15,7 @@ use dom::bindings::codegen::InheritTypes::{ElementCast, HTMLElementCast, NodeCas
use dom::bindings::codegen::InheritTypes::EventTargetCast;
use dom::bindings::global::GlobalRef;
use dom::bindings::js::{JSRef, Temporary, OptionalRootable};
use dom::bindings::refcounted::Trusted;
use dom::document::Document;
use dom::element::{Element, AttributeHandlers, ElementCreator};
use dom::eventtarget::{EventTarget, EventTargetTypeId, EventTargetHelpers};
@ -24,6 +25,7 @@ use dom::htmlelement::{HTMLElement, HTMLElementTypeId};
use dom::node::{Node, NodeHelpers, NodeTypeId, window_from_node, CloneChildrenFlag};
use dom::virtualmethods::VirtualMethods;
use dom::window::ScriptHelpers;
use script_task::{ScriptMsg, Runnable};
use encoding::all::UTF_8;
use encoding::types::{Encoding, DecoderTrap};
@ -89,6 +91,9 @@ pub trait HTMLScriptElementHelpers {
/// Set the "already started" flag (<https://whatwg.org/html/#already-started>)
fn mark_already_started(self);
/// Dispatch load event.
fn dispatch_load_event(self);
}
/// Supported script types as defined by
@ -112,6 +117,11 @@ static SCRIPT_JS_MIMES: StaticStringVec = &[
"text/x-javascript",
];
enum ScriptOrigin {
Internal,
External,
}
impl<'a> HTMLScriptElementHelpers for JSRef<'a, HTMLScriptElement> {
fn prepare(self) {
// https://html.spec.whatwg.org/multipage/scripting.html#prepare-a-script
@ -175,7 +185,7 @@ impl<'a> HTMLScriptElementHelpers for JSRef<'a, HTMLScriptElement> {
let page = window.page();
let base_url = page.get_url();
let (source, url) = match element.get_attribute(ns!(""), &atom!("src")).root() {
let (origin, source, url) = match element.get_attribute(ns!(""), &atom!("src")).root() {
Some(src) => {
if src.r().Value().is_empty() {
// TODO: queue a task to fire a simple event named `error` at the element
@ -191,7 +201,7 @@ impl<'a> HTMLScriptElementHelpers for JSRef<'a, HTMLScriptElement> {
Ok((metadata, bytes)) => {
// TODO: use the charset from step 13.
let source = UTF_8.decode(bytes.as_slice(), DecoderTrap::Replace).unwrap();
(source, metadata.final_url)
(ScriptOrigin::External, source, metadata.final_url)
}
Err(_) => {
error!("error loading script {}", src.r().Value());
@ -206,11 +216,28 @@ impl<'a> HTMLScriptElementHelpers for JSRef<'a, HTMLScriptElement> {
}
}
}
None => (text, base_url)
None => (ScriptOrigin::Internal, text, base_url)
};
window.evaluate_script_on_global_with_result(source.as_slice(), url.serialize().as_slice());
// https://html.spec.whatwg.org/multipage/scripting.html#execute-the-script-block
// step 2, substep 10
match origin {
ScriptOrigin::External => {
self.dispatch_load_event();
}
ScriptOrigin::Internal => {
let chan = window.script_chan();
let handler = Trusted::new(window.get_cx(), self, chan.clone());
chan.send(ScriptMsg::RunnableMsg(box handler));
}
}
}
fn dispatch_load_event(self) {
let window = window_from_node(self).root();
let window = window.r();
let event = Event::new(GlobalRef::Window(window),
"load".into_string(),
EventBubbles::DoesNotBubble,
@ -331,3 +358,9 @@ impl<'a> HTMLScriptElementMethods for JSRef<'a, HTMLScriptElement> {
}
}
impl Runnable for Trusted<HTMLScriptElement> {
fn handler(self: Box<Trusted<HTMLScriptElement>>) {
let target = self.to_temporary().root();
target.r().dispatch_load_event();
}
}