Auto merge of #13397 - aochagavia:dispatch-event, r=Ms2ger

Return an enum instead of a boolean from dispatch_event

Fixes #13196

---
- [X] `./mach build -d` does not report any errors
- [X] `./mach test-tidy` does not report any errors
- [X] These changes fix #13196.
- [X] These changes do not require tests because the functionality hasn't changed

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1 files changed, 7 insertions, 4 deletions

diff --git a/components/script/dom/eventtarget.rs b/components/script/dom/eventtarget.rs
index c941eb8e20e..1d3efd59b19 100644
--- a/components/script/dom/eventtarget.rs
+++ b/components/script/dom/eventtarget.rs
@@ -23,7 +23,7 @@ use dom::bindings::str::DOMString;
 use dom::element::Element;
 use dom::errorevent::ErrorEvent;
 use dom::event::{Event, EventBubbles, EventCancelable};
-use dom::eventdispatcher::dispatch_event;
+use dom::eventdispatcher::{EventStatus, dispatch_event};
 use dom::node::document_from_node;
 use dom::virtualmethods::VirtualMethods;
 use dom::window::Window;
@@ -300,11 +300,11 @@ impl EventTarget {
 
     pub fn dispatch_event_with_target(&self,
                                       target: &EventTarget,
-                                      event: &Event) -> bool {
+                                      event: &Event) -> EventStatus {
         dispatch_event(self, Some(target), event)
     }
 
-    pub fn dispatch_event(&self, event: &Event) -> bool {
+    pub fn dispatch_event(&self, event: &Event) -> EventStatus {
         dispatch_event(self, None, event)
     }
 
@@ -560,7 +560,10 @@ impl EventTargetMethods for EventTarget {
             return Err(Error::InvalidState);
         }
         event.set_trusted(false);
-        Ok(self.dispatch_event(event))
+        Ok(match self.dispatch_event(event) {
+            EventStatus::Canceled => false,
+            EventStatus::NotCanceled => true
+        })
     }
 }