private void InitBackgroundWorker()
{
#region 文件系统线程
fileSystemWorker = new BackgroundWorker()
{
WorkerReportsProgress = true, WorkerSupportsCancellation = true
};
fileSystemWorker.DoWork += (sender, e) =>
{
GetAllPictureInfoMatrix();
};
//fileSystemWorker.ProgressChanged += (sender, e) => { };
fileSystemWorker.RunWorkerCompleted += (sender, e) =>
{
if (FileSystemWorkCompleted != null)
{
FileSystemWorkCompleted();
}
};
#endregion
#region 信息加载线程
loadDetailWorker = new BackgroundWorker()
{
WorkerReportsProgress = true, WorkerSupportsCancellation = true
};
loadDetailWorker.DoWork += (sender, e) =>
{
while (DetaiQueue.Count != 0)
{
PictureInfo pi;
lock (DetaiQueue)
{
pi = DetaiQueue.Dequeue();
}
PictureInfo.EnsureThumb(pi);
loadDetailWorker.ReportProgress(0, pi);
}
};
loadDetailWorker.ProgressChanged += (sender, e) =>
{
if (LoadDetailsProgressChanged != null)
{
LoadDetailsProgressChanged((e.UserState as PictureInfo));
}
};
loadDetailWorker.RunWorkerCompleted += (sender, e) =>
{
if (DetailWorkCompleted != null)
{
DetailWorkCompleted();
}
};
//loadDetailWorker.RunWorkerCompleted += (sender, e) => { };
#endregion
#region 守护线程
guardWorker = new BackgroundWorker()
{
WorkerReportsProgress = false, WorkerSupportsCancellation = true
};
guardWorker.DoWork += (sender, e) =>
{
#region ClearPicture
if (!isCleaned)
{
for (int i = 0; i < allDirectoryList.Count; i++)
{
try
{
string thumbpath = allDirectoryList[i] + "\\" + PictureInfo.ThumbDirectoryName;
ClearRedundancy(thumbpath, PictureInfo.ThumbSuffix);
string smallversionpath = allDirectoryList[i] + "\\" + PictureInfo.SmallVersionDirectoryName;
ClearRedundancy(smallversionpath, PictureInfo.SmallVersionSuffix);
}
catch { continue; }
}
isCleaned = true;
}
#endregion
};
#endregion
#region 全屏图片加载线程
viewWorker = new BackgroundWorker();
viewWorker.DoWork += (sender, e) =>
{
while (ViewWorkQueue.Count != 0)
{
PictureInfo pi;
lock (ViewWorkQueue)
{
pi = ViewWorkQueue.Dequeue();
}
if (pi != null)
{
if (File.Exists(pi.SmallVersionPath))
{
pi.Image = PictureInfo.CreatePicture(pi.SmallVersionPath);
if (pi.Image != null && pi.Image.CanFreeze)
{
pi.Image.Freeze();
}
}
else
{
PictureInfo.CreateSmallVersion(pi);
pi.Image = PictureInfo.CreatePicture(pi.SmallVersionPath);
if (pi.Image != null && pi.Image.CanFreeze)
{
pi.Image.Freeze();
}
}
}
}
};
viewWorker.RunWorkerCompleted += (sender, e) =>
{
if (ViewWorkCompleted != null)
{
ViewWorkCompleted();
}
};
#endregion
}
private void InitBackgroundWorker()
{
#region 文件系统线程初始化
fileSystemWorker = new BackgroundWorker()
{
WorkerReportsProgress = true, WorkerSupportsCancellation = true
};
fileSystemWorker.DoWork += (sender, e) =>
{
GetAllVideoInfoMatrix();
};
fileSystemWorker.RunWorkerCompleted += (sender, e) =>
{
if (FileSystemWorkCompleted != null)
{
FileSystemWorkCompleted();
}
};
#endregion
#region 信息加载线程初始化
loadDetailWorker = new BackgroundWorker()
{
WorkerReportsProgress = true, WorkerSupportsCancellation = true
};
loadDetailWorker.DoWork += (sender, e) =>
{
//Shell32.Shell shell = new Shell32.Shell();//若需获取其他信息 取消相关注释
while (DetaiQueue.Count != 0)
{
VideoInfo currentWorkingObj;
lock (DetaiQueue)
{
currentWorkingObj = DetaiQueue.Dequeue();
}
#region 制作并加载缩略图
VideoInfo.EnsureThumb(currentWorkingObj);
#endregion
#region 获取详细信息 如帧宽高 比特率等
//Shell32.Folder dir = shell.NameSpace(System.IO.Path.GetDirectoryName(pi.AbsolutePath));
//Shell32.FolderItem item = dir.ParseName(System.IO.Path.GetFileName(pi.AbsolutePath));
//pi.FrameWidth = dir.GetDetailsOf(item, 282);
//pi.FrameHeight = dir.GetDetailsOf(item, 280);
#endregion
loadDetailWorker.ReportProgress(0, currentWorkingObj);//报告进度currentWorkingObj已经加载完毕
}
};
loadDetailWorker.ProgressChanged += (sender, e) =>
{
if (LoadDetailsProgressChanged != null)
{
LoadDetailsProgressChanged((e.UserState as VideoInfo));
}
};
loadDetailWorker.RunWorkerCompleted += (sender, e) =>
{
if (DetailWorkCompleted != null)
{
DetailWorkCompleted();
}
};
#endregion
#region 守护线程初始化
guardWorker = new BackgroundWorker()
{
WorkerReportsProgress = false, WorkerSupportsCancellation = true
};
guardWorker.DoWork += (sender, e) =>
{
System.Threading.Thread.Sleep(2000);
#region ClearPicture
if (!isCleaned)
{
for (int i = 0; i < allDirectoryList.Count; i++)
{
try
{
string thumbpath = allDirectoryList[i] + "\\" + VideoInfo.ThumbDirectoryName;
ClearRedundancy(thumbpath, VideoInfo.ThumbSuffix);
}
catch { continue; }
}
isCleaned = true;
}
#endregion
};
#endregion
}