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339 lines
18 KiB
339 lines
18 KiB
using IOTContainer.Common;
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using IOTContainer.Communication;
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using IOTContainer.Model;
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using IOTContainer.MvvmBase;
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using Newtonsoft.Json;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Threading;
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using System.Threading.Tasks;
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using System.Windows.Controls;
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using System.Windows.Media;
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using System.Windows.Media.Imaging;
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namespace IOTContainer.ViewModel
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{
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public class ScreenWindowViewModel : ViewModelBase
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{
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#region 控件
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/// <summary>
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/// 主页显示的用户控件
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/// </summary>
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private UserControl _screenUserControl;
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public UserControl ScreenUserControl
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{
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get { return _screenUserControl; }
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set { base.SetProperty(ref _screenUserControl, value, "ScreenUserControl"); }
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}
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/// <summary>
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/// 节目播放的背景色
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/// </summary>
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private System.Windows.Media.Brush _background;
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public System.Windows.Media.Brush Background
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{
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get { return _background; }
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set { base.SetProperty(ref _background, value, "Background"); }
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}
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/// <summary>
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/// 屏保图片组件
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/// </summary>
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private ImageBrush _imageBrush;
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private ProgrammeControl _programmeControl;
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private SolidColorBrush _colorBrush;
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#endregion
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public ScreenWindowViewModel()
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{
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try
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{
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_programmeControl = new ProgrammeControl();
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this.ScreenUserControl = _programmeControl;
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_colorBrush = new SolidColorBrush(Colors.Black);
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#region 查询是否为同屏设备
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if (ComParameters.Parameters.devType == "信发")
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{
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TimeJobs.Jobs.QuerySyncMachine();
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}
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#endregion
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#region 屏保组件
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if (!string.IsNullOrEmpty(ComParameters.Parameters.screenSaver))
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{
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var bitmap = new BitmapImage();
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using (var stream = new MemoryStream(File.ReadAllBytes(ComParameters.Parameters.screenSaver)))
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{
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bitmap.BeginInit();
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bitmap.CacheOption = BitmapCacheOption.OnLoad;
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bitmap.StreamSource = stream;
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bitmap.EndInit();
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bitmap.Freeze();
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_imageBrush = new ImageBrush(bitmap);
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}
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}
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#endregion
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#region 节目相关
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Task.Run(() => { PlayProgramme(); });
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#endregion
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}
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catch (Exception e)
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{
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Log.MyLog.WriteLogFile("节目播放出错：" + e.Message);
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}
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}
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/// <summary>
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/// 节目播放
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/// </summary>
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public void PlayProgramme()
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{
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while (ComParameters.Parameters.IsPlay)
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{
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try
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{
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var now = DateTime.Now;
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if (ComParameters.Parameters.PlayToken == null || !ComParameters.Parameters.PlayToken.Token.IsCancellationRequested)
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{
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Task.Run(() => HttpComm.Http.GetProgram());
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}
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#region 节目
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//获取节目单
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ComParameters.rwl.EnterReadLock();
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var basePath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Programme");
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var content = FileManage.ReadJsonFile(Path.Combine(basePath, "ProgrammeList.txt"));
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ComParameters.rwl.ExitReadLock();
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List<ProgrammeModel> list = null;
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if (!string.IsNullOrEmpty(content) && content != "[]")
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{
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list = JsonConvert.DeserializeObject<List<ProgrammeModel>>(content);
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#region 插播>普通
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list = list.Where(p => p.LaunchTime <= now && p.ExpiryDate >= now).ToList();
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list = list.Any(p => p.ProType == 2) ? list.Where(p => p.ProType == 2).ToList() : list.Where(p => p.ProType == 1).ToList();
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#endregion
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}
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if (list!=null&&list.Any())//可播放列表不为空
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{
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//如果播放列表不为空
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Background = _colorBrush;
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for (int i = 0; i < list.Count; i++)
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{
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try
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{
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if (ComParameters.Parameters.PlayToken != null)
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{
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ComParameters.Parameters.PlayToken.Dispose();
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}
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ComParameters.Parameters.PlayToken = null;
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ComParameters.Parameters.PlayToken = new CancellationTokenSource();
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//同屏设备
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if (ComParameters.Parameters.IsSync)
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{
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if (ComParameters.Parameters.IsMainMachine)//主设备
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{
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WebSocketCom.Socket.ProgrammePlay(list.IndexOf(list[i]));
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}
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else
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{
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if (ComParameters.Parameters.ProgramIndex.HasValue)
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{
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i = ComParameters.Parameters.ProgramIndex.Value;
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}
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}
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}
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var filePath = basePath + list[i].Img.Substring(list[i].Img.LastIndexOf("/"));
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if (!File.Exists(filePath))
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{
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//无文件时继续下一个
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i = i + 1 < list.Count ? i + 1 : 0;
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}
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#region 设备上传节目播放记录
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//Task.Run(() =>
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//{
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// HttpComm.Http.UploadPlayDetail(list[i].Id, list[i].ProType);
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//});
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#endregion
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var fileExtension = list[i].Img.Substring(list[i].Img.LastIndexOf("."));
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switch (list[i].FileType)
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{
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case 1://图片
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{
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switch (fileExtension)
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{
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case ".gif":
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{
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ScreenUserControl.Dispatcher.Invoke(new Action(() =>
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{
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_programmeControl.PlayGif(filePath);
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}));
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break;
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}
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default:
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{
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ScreenUserControl.Dispatcher.Invoke(new Action(() =>
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{
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_programmeControl.PlayPic(filePath);
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}));
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break;
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}
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}
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if (!ComParameters.Parameters.PlayToken.Token.IsCancellationRequested)
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{
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try
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{
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//通过可取消标记 通知是否取消当前方法
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Task.Delay(list[i].Time * 1000, ComParameters.Parameters.PlayToken.Token).Wait();
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ScreenUserControl.Dispatcher.Invoke(new Action(() =>
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{
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_programmeControl.StopPic();
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}));
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}
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catch (Exception)//收到取消信号
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{
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//正常情况需要下载新素材 但是同屏设备不需要每次都下载
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if (!ComParameters.Parameters.ProgramIndex.HasValue || ComParameters.Parameters.ProgramIndex == list.Count - 1)
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{
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var task = Task.Run(async () =>
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{
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await HttpComm.Http.GetProgram();
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});
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task.Wait();
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}
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ScreenUserControl.Dispatcher.Invoke(new Action(() =>
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{
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_programmeControl.StopPic();
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}));
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break;
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}
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}
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else//收到取消信号
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{
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//正常情况需要下载新素材 但是同屏设备不需要每次都下载
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if (!ComParameters.Parameters.ProgramIndex.HasValue || ComParameters.Parameters.ProgramIndex == list.Count - 1)
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{
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var task = Task.Run(async () =>
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{
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await HttpComm.Http.GetProgram();
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});
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task.Wait();
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}
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ScreenUserControl.Dispatcher.Invoke(new Action(() =>
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{
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_programmeControl.StopPic();
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}));
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break;
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}
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break;
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}
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case 2://视频
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{
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ScreenUserControl.Dispatcher.Invoke(new Action(() =>
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{
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_programmeControl.PlayVideo(filePath);
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}));
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if (!ComParameters.Parameters.PlayToken.Token.IsCancellationRequested)
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{
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try
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{
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//通过可取消标记 通知是否取消当前方法
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Task.Delay(list[i].Time * 1000, ComParameters.Parameters.PlayToken.Token).Wait();
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ScreenUserControl.Dispatcher.Invoke(new Action(() =>
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{
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_programmeControl.StopVideo();
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}));
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}
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catch (Exception)//收到取消信号
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{
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//正常情况需要下载新素材 但是同屏设备不需要每次都下载
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if (!ComParameters.Parameters.ProgramIndex.HasValue || ComParameters.Parameters.ProgramIndex == list.Count - 1)
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{
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var task = Task.Run(async () =>
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{
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await HttpComm.Http.GetProgram();
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});
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task.Wait();
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}
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ScreenUserControl.Dispatcher.Invoke(new Action(() =>
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{
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_programmeControl.StopVideo();
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}));
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break;
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}
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}
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else//收到取消信号
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{
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//正常情况需要下载新素材 但是同屏设备不需要每次都下载
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if (!ComParameters.Parameters.ProgramIndex.HasValue || ComParameters.Parameters.ProgramIndex == list.Count - 1)
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{
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var task = Task.Run(async () =>
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{
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await HttpComm.Http.GetProgram();
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});
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task.Wait();
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}
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ScreenUserControl.Dispatcher.Invoke(new Action(() =>
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{
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_programmeControl.StopVideo();
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}));
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break;
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}
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break;
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}
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}
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}
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catch (Exception ex)
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{
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Log.MyLog.WriteLogFile("节目播放失败：" + ex);
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}
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}
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}
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else
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{
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ComParameters.Parameters.ProListIsEmpty = true;
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if (ComParameters.Parameters.SubListIsEmpty)//如果当前字幕、节目都没有要播放的，则（容器为导视）关闭信发或者（容器为信发）设置默认壁纸
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{
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//如果播放列表为空
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switch (ComParameters.Parameters.devType)
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{
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case "导视":
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{
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if (ComParameters.Parameters.ScreenWindowNew != null)
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{
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ComParameters.Parameters.ScreenWindowNew.Dispatcher.Invoke(() =>
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{
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ComParameters.Parameters.ScreenWindowNew.Close();
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});
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}
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break;
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}
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case "信发":
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{
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Background = _imageBrush;
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Task.Delay(ComParameters.Parameters.waitMilliseconds).Wait();//等待*s(节目列表为空，则等待*s后再看节目列表是否为空)
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break;
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}
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}
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}
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else
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{
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Background = _imageBrush;
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Task.Delay(ComParameters.Parameters.waitMilliseconds).Wait();//等待*s(节目列表为空，则等待*s后再看节目列表是否为空)
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}
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}
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#endregion
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}
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catch (Exception ex)
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{
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Log.MyLog.WriteLogFile("节目播放失败：" + ex);
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}
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}
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}
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}
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}
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