private void Update(int session, Background background, bool dark)
{
if (BackgroundEquals(_oldBackground, background) && _oldDark == dark)
{
return;
}
_oldBackground = background;
_oldDark = dark;
if (background == null)
{
UpdateBlurred(false);
Background = null;
_colorBackground.Opacity = 1;
if (SettingsService.Current.Appearance.IsLightTheme())
{
_colorBackground.Fill = new TiledBrush {
Source = new Uri("ms-appx:///Assets/Images/DefaultBackground.theme-light.png")
};
}
else
{
_colorBackground.Fill = new TiledBrush {
Source = new Uri("ms-appx:///Assets/Images/DefaultBackground.theme-dark.png")
};
}
}
else if (background.Type is BackgroundTypeFill typeFill)
{
UpdateBlurred(false);
Background = typeFill.ToBrush();
_colorBackground.Opacity = 1;
_colorBackground.Fill = null;
}
else if (background.Type is BackgroundTypePattern typePattern)
{
UpdateBlurred(false);
Background = typePattern.ToBrush();
_colorBackground.Opacity = typePattern.Intensity / 100d;
var document = background.Document.DocumentValue;
if (document.Local.IsDownloadingCompleted)
{
if (string.Equals(background.Document.MimeType, "application/x-tgwallpattern", StringComparison.OrdinalIgnoreCase))
{
_colorBackground.Fill = new TiledBrush {
SvgSource = PlaceholderHelper.GetVectorSurface(null, document, typePattern.GetForeground())
};
}
else
{
_colorBackground.Fill = new ImageBrush {
ImageSource = new BitmapImage(new Uri("file:///" + document.Local.Path)), AlignmentX = AlignmentX.Center, AlignmentY = AlignmentY.Center, Stretch = Stretch.UniformToFill
};
}
}
}
else if (background.Type is BackgroundTypeWallpaper typeWallpaper)
{
UpdateBlurred(typeWallpaper.IsBlurred);
Background = null;
_colorBackground.Opacity = 1;
var document = background.Document.DocumentValue;
if (document.Local.IsDownloadingCompleted)
{
_colorBackground.Fill = new ImageBrush {
ImageSource = new BitmapImage(new Uri("file:///" + document.Local.Path)), AlignmentX = AlignmentX.Center, AlignmentY = AlignmentY.Center, Stretch = Stretch.UniformToFill
};
}
}
}