let AlbumScroller = (()=>{

    class AlbumScroller{
        constructor(serviceUrl, containerElm){
            this.InfiniteScroller = new InfiniteScroller(serviceUrl);
            this.ContainerElm = containerElm;
            this.OnFetch = function(r){
                for(let item of r.Items){
                    let img = document.createElement("img");
                    img.src = item.Url;
                    img.alt = item.Description;
                    img.dataset.name = item.Name;
                    img.dataset.albumid = item.AlbumId;
                    img.dataset.albumguid = item.AlbumGuid;
                    img.dataset.date = item.Date;
                    img.dataset.userid = item.UserId;
                    img.dataset.username = item.Username;
                    item.dataset.guid = item.Guid;
                    img.dataset.guid = item.Guid;
                    img.dataset.id = item.Id;
                    containerElm.appendChild(img);
                }
            }
        }
        Initialize(){
            let scope = this;
            this.InfiniteScroller.OnScroll = (r)=>{
                scope.OnFetch(r);
            };
            this.InfiniteScroller.Initialize();
        }

    }

    return Album;

})();