public async Task Initialize()
{
switch (CurrentType)
{
case BackgroundBrushType.Picture:
{
string UriString = Convert.ToString(ApplicationData.Current.LocalSettings.Values["PictureBackgroundUri"]);
if (!string.IsNullOrEmpty(UriString))
{
BitmapImage Bitmap = new BitmapImage();
StorageFile ImageFile = await StorageFile.GetFileFromApplicationUriAsync(new Uri(UriString));
using (IRandomAccessStream Stream = await ImageFile.OpenAsync(FileAccessMode.Read))
{
await Bitmap.SetSourceAsync(Stream);
}
PictureBackgroundBrush.ImageSource = Bitmap;
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(BackgroundBrush)));
}
else
{
Debug.WriteLine("UriString is empty, BackgroundController.Initialize is not finished");
}
break;
}
case BackgroundBrushType.BingPicture:
{
BitmapImage Bitmap = new BitmapImage();
if (await BingPictureDownloader.DownloadDailyPicture().ConfigureAwait(true) is StorageFile ImageFile)
{
using (IRandomAccessStream Stream = await ImageFile.OpenAsync(FileAccessMode.Read))
{
await Bitmap.SetSourceAsync(Stream);
}
BingPictureBursh.ImageSource = Bitmap;
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(BackgroundBrush)));
}
else
{
Debug.WriteLine("Download Bing picture failed, BackgroundController.Initialize is not finished");
}
break;
}
}
}
public async Task InitializeAsync()
{
if (!IsInitialized)
{
try
{
switch (CurrentType)
{
case BackgroundBrushType.Picture:
{
string UriString = Convert.ToString(ApplicationData.Current.LocalSettings.Values["PictureBackgroundUri"]);
if (!string.IsNullOrEmpty(UriString))
{
BitmapImage Bitmap = new BitmapImage();
PictureBackgroundBrush.ImageSource = Bitmap;
try
{
StorageFile File = await StorageFile.GetFileFromApplicationUriAsync(new Uri(UriString));
using (IRandomAccessStream Stream = await File.OpenReadAsync())
{
await Bitmap.SetSourceAsync(Stream);
}
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(BackgroundBrush)));
}
catch (Exception ex)
{
LogTracer.Log(ex, $"PicturePath is \"{UriString}\" but could not found, {nameof(BackgroundController.InitializeAsync)} is not finished");
}
}
else
{
LogTracer.Log($"PicturePath is empty, {nameof(BackgroundController.InitializeAsync)} is not finished");
}
break;
}
case BackgroundBrushType.BingPicture:
{
if (await BingPictureDownloader.GetBingPictureAsync() is FileSystemStorageFile ImageFile)
{
BitmapImage Bitmap = new BitmapImage();
BingPictureBursh.ImageSource = Bitmap;
using (IRandomAccessStream Stream = await ImageFile.GetRandomAccessStreamFromFileAsync(FileAccessMode.Read))
{
await Bitmap.SetSourceAsync(Stream);
}
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(BackgroundBrush)));
}
else
{
LogTracer.Log("Download Bing picture failed, BackgroundController.Initialize is not finished");
}
break;
}
}
}
catch (Exception ex)
{
LogTracer.Log(ex, "Exception happend when loading image for background");
}
finally
{
IsInitialized = true;
}
}
}
