Move pixel/coordinate matrices into frame state, remove canRotate

src/ol/interaction/dragpaninteraction.js

@@ -43,9 +43,7 @@ ol.interaction.DragPan.prototype.handleDrag = function(mapBrowserEvent) {
   var rotation = view.getRotation();
   var delta =
       new ol.Coordinate(-resolution * this.deltaX, resolution * this.deltaY);
-  if (map.canRotate() && goog.isDef(rotation)) {
-    delta.rotate(rotation);
-  }
+  delta.rotate(rotation);
   var newCenter = new ol.Coordinate(
       this.startCenter.x + delta.x, this.startCenter.y + delta.y);
   map.requestRenderFrame();

src/ol/interaction/dragrotateandzoominteraction.js

@@ -73,7 +73,7 @@ ol.interaction.DragRotateAndZoom.prototype.handleDragStart =
   var browserEvent = mapBrowserEvent.browserEvent;
   var map = mapBrowserEvent.map;
   var view = map.getView().getView2D();
-  if (map.canRotate() && this.condition_(browserEvent)) {
+  if (this.condition_(browserEvent)) {
     var resolution = view.getResolution();
     var size = map.getSize();
     var delta = new goog.math.Vec2(

src/ol/interaction/dragrotateinteraction.js

@@ -61,8 +61,7 @@ ol.interaction.DragRotate.prototype.handleDragStart =
   // FIXME supports View2D only
   var view = map.getView();
   goog.asserts.assert(view instanceof ol.View2D);
-  if (browserEvent.isMouseActionButton() && this.condition_(browserEvent) &&
-      map.canRotate()) {
+  if (browserEvent.isMouseActionButton() && this.condition_(browserEvent)) {
     map.requestRenderFrame();
     var size = map.getSize();
     var offset = mapBrowserEvent.getPixel();

src/ol/interaction/dragzoominteraction.js

@@ -70,12 +70,8 @@ ol.interaction.DragZoom.prototype.handleDragEnd =
       goog.asserts.assert(view instanceof ol.View2D);
       var mapSize = /** @type {ol.Size} */ (map.getSize());
       view.fitExtent(extent, mapSize);
-      if (map.canRotate()) {
-        // FIXME we don't set the rotation if the map doesn't
-        // support rotation, this will prevent any map using
-        // that view from rotating, which may not be desired
-        view.setRotation(0);
-      }
+      // FIXME we should preserve rotation
+      view.setRotation(0);
     });
   }
 };