Fix callback not removed (use workaround from KT-15101)

JetBrains · Aug 13, 2020 · 93def03 · 93def03
1 parent 199df9d
commit 93def03
Showing 1 changed file with 4 additions and 3 deletions.
diff --git a/projector-client-web/src/main/kotlin/org/jetbrains/projector/client/web/misc/CloseBlocker.kt b/projector-client-web/src/main/kotlin/org/jetbrains/projector/client/web/misc/CloseBlocker.kt
@@ -29,19 +29,20 @@ import org.w3c.dom.events.Event
 
 class CloseBlocker(private val window: Window) {
 
-  private fun onBeforeUnload(e: Event) {
+  // Can't use simple function here because its reference isn't equal to itself: KT-15101
+  private val onBeforeUnload = fun(e: Event) {
     require(e is BeforeUnloadEvent)
 
     e.preventDefault()
     e.returnValue = ""
   }
 
   fun setListener() {
-    window.addEventListener(beforeUnloadType, this::onBeforeUnload)
+    window.addEventListener(beforeUnloadType, onBeforeUnload)
   }
 
   fun removeListener() {
-    window.removeEventListener(beforeUnloadType, this::onBeforeUnload)
+    window.removeEventListener(beforeUnloadType, onBeforeUnload)
   }
 
   companion object {