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Errors only pass the special bonus arguments to globals

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This commit is contained in:
Patrick Shaughnessy 2020-01-27 15:03:28 -05:00
parent d0f64d9d56
commit ee53e10f70
3 changed files with 24 additions and 31 deletions
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45
components/script/dom/eventtarget.rs
View file

@ -33,6 +33,7 @@ use crate::dom::htmlformelement::FormControlElementHelpers;
use crate::dom::node::document_from_node;
use crate::dom::virtualmethods::VirtualMethods;
use crate::dom::window::Window;
use crate::dom::workerglobalscope::WorkerGlobalScope;
use crate::realms::enter_realm;
use dom_struct::dom_struct;
use fnv::FnvHasher;
@ -152,9 +153,9 @@ pub enum CompiledEventListener {
impl CompiledEventListener {
// https://html.spec.whatwg.org/multipage/#the-event-handler-processing-algorithm
pub fn call_or_handle_event<T: DomObject>(
pub fn call_or_handle_event(
&self,
object: &T,
object: &EventTarget,
event: &Event,
exception_handle: ExceptionHandling,
) {
@ -167,27 +168,29 @@ impl CompiledEventListener {
match *handler {
CommonEventHandler::ErrorEventHandler(ref handler) => {
if let Some(event) = event.downcast::<ErrorEvent>() {
let cx = object.global().get_cx();
rooted!(in(*cx) let error = event.Error(cx));
let return_value = handler.Call_(
object,
EventOrString::String(event.Message()),
Some(event.Filename()),
Some(event.Lineno()),
Some(event.Colno()),
Some(error.handle()),
exception_handle,
);
// Step 4
if let Ok(return_value) = return_value {
rooted!(in(*cx) let return_value = return_value);
if return_value.handle().is_boolean() &&
return_value.handle().to_boolean() == true
{
event.upcast::<Event>().PreventDefault();
if object.is::<Window>() || object.is::<WorkerGlobalScope>() {
let cx = object.global().get_cx();
rooted!(in(*cx) let error = event.Error(cx));
let return_value = handler.Call_(
object,
EventOrString::String(event.Message()),
Some(event.Filename()),
Some(event.Lineno()),
Some(event.Colno()),
Some(error.handle()),
exception_handle,
);
// Step 4
if let Ok(return_value) = return_value {
rooted!(in(*cx) let return_value = return_value);
if return_value.handle().is_boolean() &&
return_value.handle().to_boolean() == true
{
event.upcast::<Event>().PreventDefault();
}
}
return;
}
return;
}
let _ = handler.Call_(

5
tests/wpt/metadata/html/webappapis/scripting/events/event-handler-processing-algorithm-error/document-synthetic-errorevent.html.ini
View file

@ -1,5 +0,0 @@
[document-synthetic-errorevent.html]
type: testharness
[error event is normal (return true does not cancel; one arg) on Document, with a synthetic ErrorEvent]
expected: FAIL

5
tests/wpt/metadata/html/webappapis/scripting/events/event-handler-processing-algorithm-error/script-element.html.ini
View file

@ -1,5 +0,0 @@
[script-element.html]
type: testharness
[error event behaves normally (return true does not cancel; one arg) on a script element, with a synthetic ErrorEvent]
expected: FAIL