Add support for EventListener Object

See: https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener Support for native javascript eventListener.handleEvent() Typedef not correct yet.
2020-03-10 12:51:05 +01:00
parent 9f76ec197a
commit e099257461
2 changed files with 12 additions and 1 deletions
@@ -107,6 +107,17 @@ class Target extends Disposable {
        this.pendingRemovals_[type] = 0;
      }
      ++this.dispatching_[type];
+      for (let i = 0, ii = listeners.length; i < ii; ++i) {
+        if (listeners[i].handleEvent) {
+          propagate = listeners[i].handleEvent(evt);
+        } else {
+          propagate = listeners[i].call(this, evt);
+        }
+        if (propagate === false || evt.propagationStopped) {
+          propagate = false;
+          break;
+        }
+      }
      for (let i = 0, ii = listeners.length; i < ii; ++i) {
        if (listeners[i].call(this, evt) === false || evt.propagationStopped) {
          propagate = false;