using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using CefSharp.WinForms;
using CefSharp;

namespace TProduct.WebPage
{
    public partial class WebBrowserCtrl : UserControl
    {
        public WebBrowserCtrl()
        {
            InitializeComponent();
        }

        private ChromiumWebBrowser _chromiumWebBrowser;//浏览器控件
        protected IWebBrowserEvents _webBrowserEvents2;//浏览器事件

        protected virtual void InitialWebBrowser(string url)
        {
            if (!System.IO.File.Exists(url))
            {
                MessageBox.Show(string.Format("{0} 文件丢失！",url));
                return;
            }
            _chromiumWebBrowser = new ChromiumWebBrowser(url);
            _chromiumWebBrowser.Dock = DockStyle.Fill;
            _chromiumWebBrowser.Margin = new Padding(0);
            //此设置允许网页方法首字母大写
            //new BindingOptions { CamelCaseJavascriptNames = false }

            //Old method
             _chromiumWebBrowser.RegisterJsObject("callbackObj", _webBrowserEvents2, null);     
            //_chromiumWebBrowser.RegisterJsObject("callbackObj", new BoundObject(), options: BindingOptions.DefaultBinder);

            //Replaced with
            //CefSharpSettings.LegacyJavascriptBindingEnabled = true;
            //CefSharpSettings.WcfEnabled = true;
            //_chromiumWebBrowser.JavascriptObjectRepository.Register("callbackObj", _webBrowserEvents2, isAsync: false, options: BindingOptions.DefaultBinder);
 


            this.Controls.Add(_chromiumWebBrowser);
        }
        public  async Task<TProduct.Model.WebBrowserResponse> EvaluateScriptAsync(string script, TimeSpan? timeout = null)
        {
            var task = _chromiumWebBrowser.EvaluateScriptAsync(script, timeout);
            await task;
            return new TProduct.Model.WebBrowserResponse() { Message = task.Result.Message, Result = task.Result.Result, Success = task.Result.Success };
        }
        protected async Task<TProduct.Model.WebBrowserResponse> EvaluateScriptAsync(TimeSpan? timeout, string methodName, params object[] args)
        {
            var task = _chromiumWebBrowser.EvaluateScriptAsync(timeout, methodName, args);
            await task;
            return new TProduct.Model.WebBrowserResponse() { Message = task.Result.Message, Result = task.Result.Result, Success = task.Result.Success };
        }
        protected async Task<TProduct.Model.WebBrowserResponse> EvaluateScriptAsync(string methodName, params object[] args)
        {
            var task = _chromiumWebBrowser.EvaluateScriptAsync(methodName, args);
            await task;
            return new TProduct.Model.WebBrowserResponse() { Message = task.Result.Message, Result = task.Result.Result, Success = task.Result.Success };
        }
        protected void ExecuteScriptAsync(string methodName, params object[] args)
        {
            _chromiumWebBrowser.ExecuteScriptAsync(methodName, args);
        }
        protected void ExecuteScriptAsync(string script)
        {
            _chromiumWebBrowser.ExecuteScriptAsync(script);
        }
    }
}