using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using CefSharp;
using CefSharp.WinForms;
using System.IO;

namespace TProduct.WinFrmUI
{
    /// <summary>
    /// 客户端加载网页设置
    /// </summary>
    public class WebBrowserManager
    {
        /// <summary>
        /// 是否初始化
        /// </summary>
        private static bool IsInitialized = false;
        private static string CefSharpFolder = "CefSharp";

        /// <summary>
        /// CefSharp初始化设置
        /// </summary>
        internal static void Initialize()
        {
            if (IsInitialized)
                return;

            CefSettings settings = new CefSettings();
            settings.LocalesDirPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, CefSharpFolder, @"locales");
            settings.Locale = "zh-CN";
            settings.BrowserSubprocessPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, CefSharpFolder, @"CefSharp.BrowserSubprocess.exe");
            settings.CefCommandLineArgs.Add("--js-flags", $"--max_old_space_size=2048");
            CefSharp.Cef.Initialize(settings);

            //设置允许客户端与js进行交互(默认为false)
            CefSharpSettings.WcfEnabled = true;

            //设置允许客户端与js进行交互(默认为false)
            //CefSharp.CefSharpSettings.LegacyJavascriptBindingEnabled = true;

            //当程序退出时，关闭并释放CefSharp占用的资源
            CefSharp.CefSharpSettings.ShutdownOnExit = true;

            //父线程退出后，子线程也退出
            CefSharp.CefSharpSettings.SubprocessExitIfParentProcessClosed = true;
            IsInitialized = true;
        }

        /// <summary>
        /// 支持高DPI设备显示
        /// </summary>
        public static void EnableHighDPISupport()
        {
            //支持高DPI设备显示
            CefSharp.Cef.EnableHighDPISupport();
        }

    }
}