Only create pointermove when someone listens

2019-08-29 22:35:51 +02:00
parent fe83d1b32c
commit 20df00a4e8
1 changed files with 5 additions and 3 deletions
--- 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));
+    }
  }

  /**