private static void OnDownloadProgressChange(object sender, DownloadProgressChangeEventArgs e)
{
if ((DateTime.Now - _lastUpdateProgress).TotalSeconds < 2)
{
_lastUpdateProgress = DateTime.Now;
return;
}
MediaFileDownload downloader = sender as MediaFileDownload;
DownFactory.UpdateFileLenRecord(downloader.Tag as string, downloader.FileLength);
foreach (DownInfo info in MyDownloading)
{
if (downloader.Tag as string == info.VID)
{
info.ProgressText = String.Format("正在下载:{0}M/{1}M", ((double)e.Progress / (double)(1024 * 1024)).ToString("f2"), ((double)e.TotalBytes / (double)(1024 * 1024)).ToString("f2"));
info.ProgressNumeric = (double)e.Progress / (double)e.TotalBytes * 100;
break;
}
}
foreach (DBMyDownloadInfo downInfo in DownFactory.GetAllRecords())
{
if (downInfo.VID == downloader.Tag as string)
{
if ((DateTime.Now.Second - _lastWriteDB.Second) >= _minDBOperationInterval)
{
DownFactory.UpdateRecord(downloader.Tag as string, -1, e.Progress);
_lastWriteDB = DateTime.Now;
}
break;
}
}
}
public static bool AddTask(ChannelDetailInfo channelDetailInfo, ProgramInfo programInfo)
{
MediaFileDownload downloader = new MediaFileDownload();
string index = (programInfo != null) ? programInfo.Index.ToString() : string.Empty;
string channelVid = (programInfo != null) ? programInfo.ChannelVID.ToString() : string.Empty;
downloader.Tag = channelDetailInfo.VID.ToString() + "|" + index + "|" + channelVid;
if (DownFactory.IsExistVid(downloader.Tag as string))
{
return(false);
}
Utils.MediaFileDownload.Add(downloader);
int rate = (int)channelDetailInfo.Mark;
string subTitle = string.Empty;
if (channelDetailInfo.TypeID != 1 && programInfo != null)
{
subTitle = "(第" + (programInfo.Index + 1).ToString() + "集)";
}
DownFactory.InsertRecord(downloader.Tag as string, channelDetailInfo.ImgUrl, channelDetailInfo.Title, "", downloader.PathName, 0, 0, (int)DownloadStatus.Downloading, rate);
DownInfo info = new DownInfo(downloader.Tag as string, channelDetailInfo.ImgUrl, "正在下载:0M", 0, channelDetailInfo.Title, subTitle, "/PPTVForWP7;component/Images/Pause.png", rate, String.Empty);
MyDownloading.Add(info);
foreach (MediaFileDownload down in Utils.MediaFileDownload.DownloadQueue)
{
down.DownloadStatusChange += OnDownloadStatusChange;
down.DownloadProgressChange += OnDownloadProgressChange;
}
return(true);
}
private static void OnDownloadStatusChange(object sender, DownloadStatusChangeEventArgs e)
{
MediaFileDownload downloader = sender as MediaFileDownload;
string statusImage = string.Empty;
foreach (DownInfo info in MyDownloading)
{
if (info.VID == downloader.Tag as string)
{
switch (e.Status)
{
case DownloadStatus.Paused:
case DownloadStatus.Error:
case DownloadStatus.Timeout:
foreach (DBMyDownloadInfo downInfo in DownFactory.GetAllRecords())
{
if (downInfo.VID == downloader.Tag as string)
{
if ((DateTime.Now.Second - _lastWriteDB.Second) >= _minDBOperationInterval)
{
DownFactory.UpdateRecord(downloader.Tag as string, (int)e.Status, downloader.BytesReceived);
_lastWriteDB = DateTime.Now;
}
break;
}
}
info.StatusImage = "/PPTVForWP7;component/Images/pause.png";
break;
case DownloadStatus.Downloading:
info.StatusImage = "/PPTVForWP7;component/Images/Download.png";
break;
case DownloadStatus.Completed:
MyDownloaded.Add(info);
MyDownloading.Remove(info);
break;
case DownloadStatus.Waiting:
info.StatusImage = "/PPTVForWP7;component/Images/waiting.png";
break;
case DownloadStatus.InsufficientDiskSpace:
MessageBox.Show("空间不足,请删除一些下载任务", "提示", MessageBoxButton.OK);
break;
default:
break;
}
break;
}
}
DownFactory.UpdateRecord(downloader.Tag as string, (int)e.Status, -1);
}
private void xAction_Tap(object sender, System.Windows.Input.GestureEventArgs e)
{
Grid grid = sender as Grid;
MediaFileDownload downloader = MediaFileDownload.Find(grid.Tag as string);
if (downloader != null)
{
switch (downloader.Status)
{
case DownloadStatus.Downloading:
case DownloadStatus.Waiting:
downloader.Pause();
break;
case DownloadStatus.Error:
case DownloadStatus.Paused:
case DownloadStatus.Timeout:
case DownloadStatus.InsufficientDiskSpace:
{
_vid = downloader.Tag as string;
foreach (DownInfo info in MyDownloading)
{
if (info.VID == _vid)
{
info.StatusImage = "/PPTVForWP7;component/Images/Download.png";
break;
}
}
string[] id = _vid.Split('|');
if (string.IsNullOrEmpty(id[1]))
{
//电影
StartDownloadProgram(Convert.ToInt32(id[0]));
}
else
{
//剧集
StartDownloadProgram(Convert.ToInt32(id[2]));
}
}
break;
default:
break;
}
}
}
public static void UpdateTask(string vid, string downUrl)
{
MediaFileDownload.Find(vid).MediaFileUrl = new Uri(downUrl, UriKind.RelativeOrAbsolute);
string fileName = MediaFileDownload.Find(vid).MediaFileUrl.AbsolutePath;
if (fileName[0] == '/')
{
fileName = fileName.Remove(0, 1);
}
MediaFileDownload.Find(vid).FileName = fileName;
DownFactory.UpdateFileNameRecord(vid, MediaFileDownload.Find(vid).PathName);
foreach (DownInfo info in MyDownloading)
{
if (info.VID == vid)
{
info.LocalPathName = MediaFileDownload.Find(vid).PathName;
break;
}
}
MediaFileDownload.Find(vid).Start();
}
/// <summary>
/// Lanza el evento de descarga de una entrada de un blog
/// </summary>
private void RaiseEvent(MediaFileModel file, int actual, int total)
{
MediaFileDownload?.Invoke(this, new EventArguments.MediaFileDownloadEventArgs(file, actual, total));
}
public static void BuildDownInfos()
{
if (DownFactory == null)
DownFactory = new DBMyDownloadFactory();
if (MyDownloading == null)
MyDownloading = new ObservableCollection<DownInfo>();
if (MyDownloaded == null)
MyDownloaded = new ObservableCollection<DownInfo>();
ObservableCollection<DBMyDownloadInfo> downRecords = DownFactory.GetAllRecords();
MyDownloading.Clear();
MyDownloaded.Clear();
foreach (DBMyDownloadInfo record in downRecords)
{
string progressText = String.Format("正在下载:{0}M/{1}M", ((double)record.Progress / (double)(1024 * 1024)).ToString("f2"), ((double)record.FileLen / (double)(1024 * 1024)).ToString("f2"));
double progressNumeric = 0;
if (record.FileLen == 0)
progressNumeric = 0;
else
progressNumeric = (double)record.Progress / (double)record.FileLen * 100;
string subTitle = string.Empty;
string[] id = record.VID.Split('|');
if (!string.IsNullOrEmpty(id[1]))
{
subTitle = "(第" + (Convert.ToInt32(id[1]) + 1).ToString() + "集)";
}
MediaFileDownload downloader = new MediaFileDownload();
downloader.MediaFileUrl = new Uri(record.FileUrl, UriKind.RelativeOrAbsolute);
downloader.Tag = record.VID;
downloader.PathName = record.LocalPathName;
downloader.DownloadProgressChange += OnDownloadProgressChange;
downloader.DownloadStatusChange += OnDownloadStatusChange;
string statusImage = string.Empty;
if (record.Status != (int)DownloadStatus.Completed)
{
Utils.MediaFileDownload.Add(downloader);
switch (Utils.MediaFileDownload.Find(record.VID).Status)
{
case DownloadStatus.Paused:
case DownloadStatus.Error:
case DownloadStatus.Timeout:
statusImage = "/PPTVForWP7;component/Images/pause.png";
break;
case DownloadStatus.Downloading:
statusImage = "/PPTVForWP7;component/Images/Download.png";
break;
case DownloadStatus.Waiting:
statusImage = "/PPTVForWP7;component/Images/waiting.png";
break;
}
}
DownInfo info = new DownInfo(record.VID, record.TitleImgUrl, progressText, progressNumeric, record.Title, subTitle, statusImage, record.Rate,record.LocalPathName);
if (record.Status != (int)DownloadStatus.Completed)
{
MyDownloading.Add(info);
}
else
{
MyDownloaded.Add(info);
}
}
if (System.IO.IsolatedStorage.IsolatedStorageFile.GetUserStoreForApplication().DirectoryExists("/PersonalCenter/MyDownload"))
{
string[] files = System.IO.IsolatedStorage.IsolatedStorageFile.GetUserStoreForApplication().GetFileNames("/PersonalCenter/MyDownload/*.*");
foreach (string file in files)
{
if (!DownFactory.IsExistFile(file))
{
System.IO.IsolatedStorage.IsolatedStorageFile.GetUserStoreForApplication().DeleteFile(
System.IO.Path.Combine("/PersonalCenter/MyDownload", file));
}
}
}
}
public static bool AddTask(ChannelDetailInfo channelDetailInfo, ProgramInfo programInfo)
{
MediaFileDownload downloader = new MediaFileDownload();
string index = (programInfo != null) ? programInfo.Index.ToString() : string.Empty;
string channelVid = (programInfo != null) ? programInfo.ChannelVID.ToString() : string.Empty;
downloader.Tag = channelDetailInfo.VID.ToString() + "|" + index + "|" + channelVid;
if (DownFactory.IsExistVid(downloader.Tag as string))
return false;
Utils.MediaFileDownload.Add(downloader);
int rate = (int)channelDetailInfo.Mark;
string subTitle = string.Empty;
if (channelDetailInfo.TypeID != 1 && programInfo != null)
{
subTitle = "(第" + (programInfo.Index + 1).ToString() + "集)";
}
DownFactory.InsertRecord(downloader.Tag as string, channelDetailInfo.ImgUrl, channelDetailInfo.Title, "", downloader.PathName, 0, 0, (int)DownloadStatus.Downloading, rate);
DownInfo info = new DownInfo(downloader.Tag as string, channelDetailInfo.ImgUrl, "正在下载:0M", 0, channelDetailInfo.Title, subTitle, "/PPTVForWP7;component/Images/Pause.png", rate,String.Empty);
MyDownloading.Add(info);
foreach (MediaFileDownload down in Utils.MediaFileDownload.DownloadQueue)
{
down.DownloadStatusChange += OnDownloadStatusChange;
down.DownloadProgressChange += OnDownloadProgressChange;
}
return true;
}
public static void BuildDownInfos()
{
if (DownFactory == null)
{
DownFactory = new DBMyDownloadFactory();
}
if (MyDownloading == null)
{
MyDownloading = new ObservableCollection <DownInfo>();
}
if (MyDownloaded == null)
{
MyDownloaded = new ObservableCollection <DownInfo>();
}
ObservableCollection <DBMyDownloadInfo> downRecords = DownFactory.GetAllRecords();
MyDownloading.Clear();
MyDownloaded.Clear();
foreach (DBMyDownloadInfo record in downRecords)
{
string progressText = String.Format("正在下载:{0}M/{1}M", ((double)record.Progress / (double)(1024 * 1024)).ToString("f2"), ((double)record.FileLen / (double)(1024 * 1024)).ToString("f2"));
double progressNumeric = 0;
if (record.FileLen == 0)
{
progressNumeric = 0;
}
else
{
progressNumeric = (double)record.Progress / (double)record.FileLen * 100;
}
string subTitle = string.Empty;
string[] id = record.VID.Split('|');
if (!string.IsNullOrEmpty(id[1]))
{
subTitle = "(第" + (Convert.ToInt32(id[1]) + 1).ToString() + "集)";
}
MediaFileDownload downloader = new MediaFileDownload();
downloader.MediaFileUrl = new Uri(record.FileUrl, UriKind.RelativeOrAbsolute);
downloader.Tag = record.VID;
downloader.PathName = record.LocalPathName;
downloader.DownloadProgressChange += OnDownloadProgressChange;
downloader.DownloadStatusChange += OnDownloadStatusChange;
string statusImage = string.Empty;
if (record.Status != (int)DownloadStatus.Completed)
{
Utils.MediaFileDownload.Add(downloader);
switch (Utils.MediaFileDownload.Find(record.VID).Status)
{
case DownloadStatus.Paused:
case DownloadStatus.Error:
case DownloadStatus.Timeout:
statusImage = "/PPTVForWP7;component/Images/pause.png";
break;
case DownloadStatus.Downloading:
statusImage = "/PPTVForWP7;component/Images/Download.png";
break;
case DownloadStatus.Waiting:
statusImage = "/PPTVForWP7;component/Images/waiting.png";
break;
}
}
DownInfo info = new DownInfo(record.VID, record.TitleImgUrl, progressText, progressNumeric, record.Title, subTitle, statusImage, record.Rate, record.LocalPathName);
if (record.Status != (int)DownloadStatus.Completed)
{
MyDownloading.Add(info);
}
else
{
MyDownloaded.Add(info);
}
}
if (System.IO.IsolatedStorage.IsolatedStorageFile.GetUserStoreForApplication().DirectoryExists("/PersonalCenter/MyDownload"))
{
string[] files = System.IO.IsolatedStorage.IsolatedStorageFile.GetUserStoreForApplication().GetFileNames("/PersonalCenter/MyDownload/*.*");
foreach (string file in files)
{
if (!DownFactory.IsExistFile(file))
{
System.IO.IsolatedStorage.IsolatedStorageFile.GetUserStoreForApplication().DeleteFile(
System.IO.Path.Combine("/PersonalCenter/MyDownload", file));
}
}
}
}
