private static void onDownloadFileCompleted(object sender, System.ComponentModel.AsyncCompletedEventArgs e)
{
bool sucFlag = true;
if (e.Cancelled)
{
Center.Logg("下载被取消");
Center.Mainw.setDownloadStatus("下载被取消");
sucFlag = false;
try
{ File.Delete(dlItem.FilePath); }
catch (Exception) { }
}
else if (e.Error != null)
{
Center.Logg("下载出错 " + e.Error.Message, true, true);
Center.Mainw.setDownloadStatus("下载出错 " + e.Error.Message);
sucFlag = false;
}
if (sucFlag)
{
Center.Logg("歌曲下载 下载成功：" + dlItem._SongName, false, true);
Center.Mainw.setDownloadStatus("下载完毕");
dlItem.setStatus(SongItem.SongStatus.WaitingPlay);
}
else
{
Center.RemoveSong(dlItem);
}
DownloadWatchDog.Stop();
wc = null;
downloadFlag = false; // 允许进行下一首歌的下载
}
private static void Download(SongItem item)
{
try
{ Directory.CreateDirectory(Config.SongsCachePath); }
catch (Exception) { }
dlItem = item;
dlItem.setStatus(SongItem.SongStatus.Downloading);
if (item.Module.HandleDownlaod) // 如果搜索模块负责下载文件
{
Center.Mainw.setDownloadStatus("由搜索模块负责下载中");
switch (item.Module.SafeDownload(item))
{
case 1: // 下载成功
dlItem.setStatus(SongItem.SongStatus.WaitingPlay);
Center.Logg("歌曲下载 下载成功：" + item._SongName);
Center.Mainw.setDownloadStatus("搜索模块返回下载成功");
return;
case 0: // 下载失败 错误信息由module输出
default:
Center.RemoveSong(item);
Center.Mainw.setDownloadStatus("搜索模块返回下载失败");
return;
}
}
else // 如果搜索模块不负责下载文件
{
wc = new WebClient();
wc.DownloadProgressChanged += onDownloadProgressChanged;
wc.DownloadFileCompleted += onDownloadFileCompleted;
wc.Headers.Add("User-Agent", "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.450 Safari/537.35");
try
{
sw.Reset();
lastUpdateDownloadedSize = 0;
lastUpdateTime = DateTime.Now;
wc.DownloadFileAsync(new Uri(item._DownloadURL), item._FilePath);
Center.Mainw.setDownloadStatus("正在连接服务器");
sw.Start();
DownloadWatchDog.Start();
downloadFlag = true; // 正在下载歌曲
}
catch (Exception ex)
{
sw.Reset();
Center.Logg("下载歌曲" + item._SongName + "出错：" + ex.Message, true, true);
Center.Mainw.setDownloadStatus("下载失败：" + ex.Message);
}
while (downloadFlag)
{
Thread.Sleep(500);
}
dlItem = null;
}
}
/// <summary>
/// 从文件和播放列表里移除歌曲
/// </summary>
/// <param name="song"></param>
private static void RemoveSong(SongItem song)
{
try
{
File.Delete(song._FilePath);
}
catch (System.Exception ex)
{
Center.Logg("播放模块 删除歌曲缓存失败：" + ex.Message);
}
Center.RemoveSong(song);
}
/// <summary>
/// 删除歌曲事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void MenuItem_Click(object sender, RoutedEventArgs e)
{
var menuItem = (MenuItem)sender;
var contextMenu = (ContextMenu)menuItem.Parent;
var items = (DataGrid)contextMenu.PlacementTarget;
if (items.SelectedCells.Count == 0)
{
return;
}
var item = items.SelectedCells[0].Item as SongItem;
if (item == null)
{
return;
}
switch (item.Status)
{
case SongItem.SongStatus.WaitingDownload:
Center.RemoveSong(item);
return;
case SongItem.SongStatus.Downloading:
DownloadControl.CancelDownload();
return;
default:
case SongItem.SongStatus.WaitingPlay:
if (item.FilePath != null && item.FilePath != "")
{
new System.Threading.Thread((object o) => { try { System.IO.File.Delete(o.ToString()); } catch (Exception) { } })
{
IsBackground = true, Name = "切歌后删除文件"
}
}
.Start(item.FilePath);
Center.RemoveSong(item);
return;
internal static void DGJ_AdminComment(string msg)
{
if (string.IsNullOrWhiteSpace(msg) || !Config.DanmakuControl)
{
return;
} // 如果弹幕msg没有内容或者不允许弹幕控制
string[] msgs = msg.Split(new string[] { " " }, System.StringSplitOptions.RemoveEmptyEntries);
switch (msgs[0])
{
case "暫停":
case "暂停":
if (PlayControl.Pause())
{
Log("歌曲已经暂停");
}
return;
case "播放":
if (PlayControl.Play())
{
Log("歌曲继续播放");
}
return;
case "切歌":
if (PlayControl.Next())
{
Log("已经切掉正在播放的歌曲");
}
return;
case "刪歌":
case "删歌":
int num;
if (msgs.Length >= 2 && int.TryParse(msgs[1], out num))
{
num--;
if (num >= 0 && num < Center.Songs.Count)
{
SongItem item = Center.Songs[num];
Log($"切掉了 {item.User} 点的 {item.SongName}", true);
switch (item.Status)
{
case SongItem.SongStatus.WaitingDownload:
Center.RemoveSong(item);
return;
case SongItem.SongStatus.Downloading:
DownloadControl.CancelDownload();
return;
default:
case SongItem.SongStatus.WaitingPlay:
if (item.FilePath != null && item.FilePath != "")
{
new Thread((object o) =>
{
try
{
File.Delete(o.ToString());
}
catch (Exception) { }
})
{
IsBackground = true,
Name = "切歌后删除文件"
}
}
.Start(item.FilePath);
Center.RemoveSong(item);
return;
case SongItem.SongStatus.Playing:
PlayControl.Next();
return;
}
}
