fix touch event's preventDefault in mobile

Author: fuzhenn

src/handler/Drag.js

@@ -76,7 +76,7 @@ class DragHandler extends Handler {
             on(this.dom, 'mouseleave', this.onMouseUp, this);
         }
         this.fire('mousedown', {
-            'domEvent': actual,
+            'domEvent': event,
             'mousePos': new Point(actual.clientX, actual.clientY)
         });
     }
@@ -94,13 +94,13 @@ class DragHandler extends Handler {
         }
         if (!this.moved) {
             this.fire('dragstart', {
-                'domEvent': actual,
+                'domEvent': event,
                 'mousePos': this.startPos.copy()
             });
             this.moved = true;
         } else {
             this.fire('dragging', {
-                'domEvent': actual,
+                'domEvent': event,
                 'mousePos': new Point(actual.clientX, actual.clientY)
             });
         }
@@ -110,7 +110,7 @@ class DragHandler extends Handler {
         const actual = event.changedTouches ? event.changedTouches[0] : event;
         this._offEvents();
         const param = {
-            'domEvent': actual
+            'domEvent': event
         };
         if (isNumber(actual.clientX)) {
             param['mousePos'] = new Point(parseInt(actual.clientX, 0), parseInt(actual.clientY, 0));

src/map/handler/Map.Drag.js

@@ -106,7 +106,7 @@ class MapDragHandler extends Handler {
         this._start(param);
         const map = this.target;
         map.onMoveStart(param);
-        const p = getEventContainerPoint(param.domEvent, map.getContainer());
+        const p = getEventContainerPoint(map._getActualEvent(param.domEvent), map.getContainer());
         this.startPrjCoord = map._containerPointToPrj(p);
     }
 
@@ -115,7 +115,7 @@ class MapDragHandler extends Handler {
             return;
         }
         const map = this.target;
-        const p = getEventContainerPoint(param.domEvent, map.getContainer());
+        const p = getEventContainerPoint(map._getActualEvent(param.domEvent), map.getContainer());
         map._setPrjCoordAtContainerPoint(this.startPrjCoord, p);
         map.onMoving(param);
     }