From 20df00a4e86ac2af69263ec7c9e9618602fb142b Mon Sep 17 00:00:00 2001
From: ahocevar <andreas.hocevar@gmail.com>
Date: Thu, 29 Aug 2019 22:35:51 +0200
Subject: [PATCH] Only create pointermove when someone listens

---
 src/ol/MapBrowserEventHandler.js | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/ol/MapBrowserEventHandler.js b/src/ol/MapBrowserEventHandler.js
index 177f124595..c0bf67f8fe 100644
--- a/src/ol/MapBrowserEventHandler.js
+++ b/src/ol/MapBrowserEventHandler.js
@@ -270,9 +270,11 @@ class MapBrowserEventHandler extends EventTarget {
    * @private
    */
   relayEvent_(pointerEvent) {
-    const dragging = !!(this.down_ && this.isMoving_(pointerEvent));
-    this.dispatchEvent(new MapBrowserPointerEvent(
-      pointerEvent.type, this.map_, pointerEvent, dragging));
+    if (this.map_.hasListener(pointerEvent.type)) {
+      const dragging = !!(this.down_ && this.isMoving_(pointerEvent));
+      this.dispatchEvent(new MapBrowserPointerEvent(
+        pointerEvent.type, this.map_, pointerEvent, dragging));
+    }
   }
 
   /**