Own UITableViewDelegate

UITableViewDelegate.TS

import {NewUITableViewDelegateImpl as NewUITableViewDelegateImplBase} from './NewUITableViewDelegateImpl';
export class NewUITableViewDelegateImpl extends NSObject implements UITableViewDelegate {
    public static ObjCProtocols: any = [ UITableViewDelegate ];

    private _originalDelegate: UITableViewDelegate;
    private _callback: any;
    private _isLoading: Boolean = false;

    public static initWithOriginalDelegate(originalDelegate: UITableViewDelegate, loadMorePlayers: any): NewUITableViewDelegateImpl {

        const delegate: any = <NewUITableViewDelegateImpl>NewUITableViewDelegateImpl.new();
        delegate._originalDelegate = originalDelegate;

        delegate._callback = loadMorePlayers;
        delegate._isLoading = false;
        return delegate;
    }

    public tableViewWillDisplayCellForRowAtIndexPath(tableView: UITableView, cell: UITableViewCell, indexPath: NSIndexPath): void {
        return this._originalDelegate.tableViewWillDisplayCellForRowAtIndexPath(tableView, cell, indexPath);
    }

    public tableViewWillSelectRowAtIndexPath(tableView: UITableView, indexPath: NSIndexPath): NSIndexPath {

        return this._originalDelegate.tableViewWillSelectRowAtIndexPath(tableView, indexPath);
    }

    public tableViewDidSelectRowAtIndexPath(tableView: UITableView, indexPath: NSIndexPath): NSIndexPath {
        tableView.deselectRowAtIndexPathAnimated(indexPath, true);

        return indexPath;
    }

    public tableViewHeightForRowAtIndexPath(tableView: UITableView, indexPath: NSIndexPath): number {
        return this._originalDelegate.tableViewHeightForRowAtIndexPath(tableView, indexPath);
    }

    public scrollViewDidScroll(scrollView: UIScrollView): void {
        if (scrollView.contentOffset.y < -20 && !this._isLoading) {
            // Call from here load more players up
            this._isLoading = true;
            setTimeout(() => {

                this._callback();
            }, 0)
        }
    }
    public setDataLoaded(): void {
        // this._isLoading = false;
        this._isLoading = false;
    }
}