using CPF;
using CPF.Cef;
using CPF.Cef.JSExtenstions;
using CPF.Mac.CoreText;
using CPF.Reflection;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.ConstrainedExecution;
using System.Text;
using System.Threading.Tasks;

namespace AKS.EnterpriseLibrary.WebBrowser
{

    public class CusWebBrowser : CPF.Cef.WebBrowser
    {
        public CusCefRequestHandler CusRequest = new CusCefRequestHandler();
        public CusWebBrowser() { }

        protected override CpfCefClient OnCreateWebBrowser(CefBrowserSettings settings)
        {
            CpfCefClient cefClient = base.OnCreateWebBrowser(settings);
            cefClient.RequestHandler = CusRequest;
            cefClient.ContextMenuHandler = new MenuHandler();
            cefClient.DragHandler = new DragHandler();
            return cefClient;
        }
    }

    public class CusCefRequestHandler : CpfCefRequestHandler
    {
        public delegate void CusResquestDelegate(CefPostData postData, CefRequest request);
        public event CusResquestDelegate CusResquestEvent;

        public CusCefRequestHandler() { }

        protected override CefResourceRequestHandler GetResourceRequestHandler(CefBrowser browser, CefFrame frame, CefRequest request, bool isNavigation, bool isDownload, string requestInitiator, ref bool disableDefaultHandling)
        {
            CusResquestEvent(request.PostData, request);
            return null;
        }
    }

    public class DragHandler : CpfCefDragHandler
    {
        protected override bool OnDragEnter(CefBrowser browser, CefDragData dragData, CefDragOperationsMask mask)
        {
            return true;
        }
        protected override void OnDraggableRegionsChanged(CefBrowser browser, CefFrame frame, CefDraggableRegion[] regions)
        {

        }
    }

    public class MenuHandler : CpfCefContextMenuHandler
    {
        protected override void OnBeforeContextMenu(CefBrowser browser, CefFrame frame, CefContextMenuParams state, CefMenuModel model)
        {
            model.Clear();
        }
        protected override bool OnContextMenuCommand(CefBrowser browser, CefFrame frame, CefContextMenuParams state, int commandId, CefEventFlags eventFlags)
        {
            return false;
        }
        protected override void OnContextMenuDismissed(CefBrowser browser, CefFrame frame)
        {

        }
        protected override bool RunContextMenu(CefBrowser browser, CefFrame frame, CefContextMenuParams parameters, CefMenuModel model, CefRunContextMenuCallback callback)
        {
            return false;
        }
    }

}