private async Task FindAllDownloadsAsync()
{
activeDownloads = new List <DownloadOperation>();
IReadOnlyList <DownloadOperation> downloads = null;
try
{
downloads = await BackgroundDownloader.GetCurrentDownloadsAsync();
}
catch (Exception ex)
{
if (!IsExceptionHandled("Discovery error", ex))
{
ACDEBUG.Print(ex.Message);
}
return;
}
if (downloads.Count > 0)
{
List <Task> tasks = new List <Task>();
foreach (var download in downloads)
{
this.activeDownloads.Add(download);
tasks.Add(HandleDownload(download, false));
}
UpdateDownloadData();
await Task.WhenAll(tasks);
}
}
private void AddMainBanner()
{
try
{
if (_dic.Count <= 0)
{
return;
}
MainPageFunc.BannerFunc(MainFlipView, _dic["轮播图"].Contents);
}
catch (Exception ex)
{
ACDEBUG.Print(ex.Message);
}
}
private void DownloadProgress(DownloadOperation download)
{
BackgroundDownloadProgress currentProgress = download.Progress;
double percent = 100;
if (currentProgress.TotalBytesToReceive > 0)
{
percent = currentProgress.BytesReceived * 100 / currentProgress.TotalBytesToReceive;
Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
{
ParseProgress();
});
ACDEBUG.Print("下载：" + percent);
}
}
private async void AddToday()
{
try
{
if (_dic.Count <= 0)
{
return;
}
_dic["活动banner"] = await GetSingleDicData("活动banner");
TodyImg.Source = new BitmapImage(new Uri(_dic["活动banner"].Contents[0].Cover));
}
catch (Exception ex)
{
ACDEBUG.Print(ex.Message);
}
}
private async void AddSpecailImg()
{
try
{
if (_dic.Count <= 0)
{
return;
}
_dic["二次元日历"] = await GetSingleDicData("二次元日历");
CalendarImg.Source = new BitmapImage(new Uri(_dic["二次元日历"].Contents[0].Cover));
}
catch (Exception ex)
{
ACDEBUG.Print(ex.Message);
}
}
private bool IsExceptionHandled(string title, Exception ex, DownloadOperation download = null)
{
WebErrorStatus error = BackgroundTransferError.GetStatus(ex.HResult);
if (error == WebErrorStatus.Unknown)
{
return(false);
}
if (download == null)
{
ACDEBUG.Print(String.Format(CultureInfo.CurrentCulture, "Error: {0}: {1}", title, error));
}
else
{
ACDEBUG.Print(String.Format(CultureInfo.CurrentCulture, "Error: {0} - {1}: {2}", download.Guid, title,
error));
}
return(true);
}