/// <summary>
/// 异步加载图片
/// </summary>
public async Task <Exception> LoadImageAsync()
{
// client
var net = CurrentMoeItem.Site.GetCloneNet(CurrentMoeItem.ThumbnailUrlInfo.Referer, 30d);
net.ProgressMessageHandler.HttpReceiveProgress += ProgressMessageHandlerOnHttpReceiveProgress;
Exception loadEx = null;
try
{
Cts?.Cancel();
Cts = new CancellationTokenSource(TimeSpan.FromSeconds(30));
var response = await net.Client.GetAsync(CurrentMoeItem.Urls.GetPreview().Url, Cts.Token);
await using Stream stream = await response.Content.ReadAsStreamAsync();
BitmapImage Func()
{
return(UiUtility.GetBitmapImageFromStream(stream));
}
var source = await Task.Run(Func, Cts.Token);
if (source != null)
{
PreviewBitmapImage = source;
SetImage(source);
}
}
catch (Exception ex)
{
loadEx = ex;
}
if (loadEx == null)
{
//this.Sb("LoadedImageSb").Begin();
}
else
{
//this.Sb("LoadFailSb").Begin();
Ex.Log(loadEx.Message, loadEx.StackTrace);
Ex.Log($"{CurrentMoeItem.ThumbnailUrlInfo.Url} 图片加载失败");
}
return(loadEx);
}
