Add missing move events (#155)

* Add missing move events

* Lint

Author: igoroctaviano

src/viewer.js

@@ -1471,6 +1471,14 @@ class VolumeImageViewer {
       })
     })
 
+    this[_map].on('movestart', (event) => {
+      publish(this[_map].getTargetElement(), EVENT.MOVE_STARTED, { event })
+    })
+
+    this[_map].on('moveend', (event) => {
+      publish(this[_map].getTargetElement(), EVENT.MOVE_ENDED, { event })
+    })
+
     let clickEvent = null
 
     this[_map].on('pointermove', (event) => {
@@ -5286,6 +5294,14 @@ class _NonVolumeImageViewer {
       keyboardEventTarget: document
     })
 
+    this[_map].on('movestart', (event) => {
+      publish(this[_map].getTargetElement(), EVENT.MOVE_STARTED, { event })
+    })
+
+    this[_map].on('moveend', (event) => {
+      publish(this[_map].getTargetElement(), EVENT.MOVE_ENDED, { event })
+    })
+
     view.fit(projection.getExtent(), { size: this[_map].getSize() })
   }