using System;
using System.Threading;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media.Imaging;
using System.Windows.Threading;

namespace XHWK.WKTool
{
    /// <summary>
    /// 录屏等待 CountdownWindow.xaml 的交互逻辑
    /// </summary>
    public partial class CountdownWindow : Window
    {
        public CountdownWindow(int changeTime = 650)
        {
            InitializeComponent();
            timer = new System.Timers.Timer(changeTime);//设置执行一次（false）还是一直执行(true)
            timer.AutoReset = true;//设置是否执行System.Timers.Timer.Elapsed事件
            timer.Elapsed +=new System.Timers.ElapsedEventHandler(Timer_Elapsed);
            Initialize();
        }
        /// <summary>
        /// 计时器
        /// </summary>
        System.Timers.Timer timer;
        int ImgNum = 3;
        public void Initialize(int changeTime=650)
        {
            timer.Interval = changeTime;
            timer.Enabled = true; //启动计时器
            ImgNum = 3;
        }

        private void Timer_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
        {
            if (ImgNum >= 1)
            {
                loadingImg(ImgNum);
                ImgNum--;
            }
            else
            {
                timer.Enabled = false;
                Dispatcher.Invoke(() =>
                {
                    Hide();
                });
            }
        }
        /// <summary>
        /// 加载图片
        /// </summary>
        /// <param name="num"></param>
        void loadingImg(int num)
        {
            switch (num)
            {
                case 1:
                    Dispatcher.Invoke(
                      DispatcherPriority.Send,
                      new Action(() => { 
                          imgLoding.Source = new BitmapImage(new Uri("pack://application:,,/Images/countdown_1.png"));
                      }));
                    break;
                case 2:
                    Dispatcher.Invoke(
                      DispatcherPriority.Send,
                      new Action(() => {
                          imgLoding.Source = new BitmapImage(new Uri("pack://application:,,/Images/countdown_2.png"));
                      }));
                    break;
                case 3:
                    Dispatcher.Invoke(
                      DispatcherPriority.Send,
                      new Action(() => {
                          imgLoding.Source = new BitmapImage(new Uri("pack://application:,,/Images/countdown_3.png"));
                      }));
                    break;
                default:
                    break;
            }
        }

        private void Window_ContentRendered(object sender, EventArgs e)
        {

        }

    }
}