Merge pull request #549 from elemoine/pan-interaction-fix

Pan interaction fix

src/ol/interaction/dragpaninteraction.js

@@ -78,7 +78,7 @@ ol.interaction.DragPan.prototype.handleDragEnd = function(mapBrowserEvent) {
 
   var map = mapBrowserEvent.map;
   var view = map.getView();
-  view.setHint(ol.ViewHint.INTERACTING, -1);
+  var interacting = view.setHint(ol.ViewHint.INTERACTING, -1);
 
   if (this.kinetic_ && this.kinetic_.end()) {
     var distance = this.kinetic_.getDistance();
@@ -93,6 +93,8 @@ ol.interaction.DragPan.prototype.handleDragEnd = function(mapBrowserEvent) {
         centerpx.y - distance * Math.sin(angle));
     var dest = map.getCoordinateFromPixel(destpx);
     view.setCenter(dest);
+  } else if (interacting === 0) {
+    map.requestRenderFrame();
   }
 };
 

src/ol/interaction/touchpaninteraction.js

@@ -81,7 +81,7 @@ ol.interaction.TouchPan.prototype.handleTouchEnd =
   var map = mapBrowserEvent.map;
   var view = map.getView();
   if (this.targetTouches.length == 0) {
-    view.setHint(ol.ViewHint.INTERACTING, -1);
+    var interacting = view.setHint(ol.ViewHint.INTERACTING, -1);
     if (!this.noKinetic_ && this.kinetic_ && this.kinetic_.end()) {
       var distance = this.kinetic_.getDistance();
       var angle = this.kinetic_.getAngle();
@@ -94,6 +94,8 @@ ol.interaction.TouchPan.prototype.handleTouchEnd =
           centerpx.y - distance * Math.sin(angle));
       var dest = map.getCoordinateFromPixel(destpx);
       view.setCenter(dest);
+    } else if (interacting === 0) {
+      map.requestRenderFrame();
     }
     return false;
   } else {

src/ol/view.js

@@ -59,9 +59,11 @@ ol.View.prototype.getView3D = goog.abstractMethod;
 /**
  * @param {ol.ViewHint} hint Hint.
  * @param {number} delta Delta.
+ * @return {number} New value.
  */
 ol.View.prototype.setHint = function(hint, delta) {
   goog.asserts.assert(0 <= hint && hint < this.hints_.length);
   this.hints_[hint] += delta;
   goog.asserts.assert(this.hints_[hint] >= 0);
+  return this.hints_[hint];
 };