Class DragAction

Optional bounding box for the drag end (centroid is used)

End X coordinate in viewport pixels

End Y coordinate in viewport pixels

Optional bounding box for the drag start (centroid is used)

Start X coordinate in viewport pixels

Start Y coordinate in viewport pixels

Number of intermediate mouse-move steps between start and end. Higher values produce smoother drags that some HTML5 drag-and-drop handlers require to register the drag (>= 5 recommended).