static void UpdateIncrement(this MauiSlider nativeSlider, ISlider slider)
{
double stepping = Math.Min((slider.Maximum - slider.Minimum) / 1000, 1);
nativeSlider.StepFrequency = stepping;
nativeSlider.SmallChange = stepping;
}
public static void UpdateValue(this MauiSlider nativeSlider, ISlider slider)
{
if (nativeSlider.Value != slider.Value)
{
nativeSlider.Value = slider.Value;
}
}
public static void UpdateMaximumTrackColor(this MauiSlider nativeSlider, ISlider slider, Brush?defaultBackgroundColor)
{
if (slider.MaximumTrackColor.IsDefault())
{
nativeSlider.BorderBrush = defaultBackgroundColor;
}
else
{
nativeSlider.BorderBrush = slider.MaximumTrackColor.ToNative();
}
}
public static void UpdateMinimumTrackColor(this MauiSlider nativeSlider, ISlider slider, Brush?defaultForegroundColor)
{
if (slider.MinimumTrackColor.IsDefault())
{
nativeSlider.Foreground = defaultForegroundColor;
}
else
{
nativeSlider.Foreground = slider.MinimumTrackColor.ToNative();
}
}
public static void UpdateThumbColor(this MauiSlider nativeSlider, ISlider slider, Brush?defaultThumbColor)
{
var thumb = nativeSlider?.Thumb;
if (thumb == null || slider?.ThumbColor == null || nativeSlider == null)
{
return;
}
nativeSlider.ThumbColorOver = slider.ThumbColor.ToNative();
BrushHelpers.UpdateColor(slider.ThumbColor, ref defaultThumbColor,
() => thumb.Background, brush => thumb.Background = brush);
}
public static async Task UpdateThumbImageSourceAsync(this MauiSlider nativeSlider, ISlider slider, IImageSourceServiceProvider?provider)
{
var thumbImageSource = slider.ThumbImageSource;
if (thumbImageSource == null)
{
nativeSlider.ThumbImageSource = null;
return;
}
if (provider != null && thumbImageSource != null)
{
var service = provider.GetRequiredImageSourceService(thumbImageSource);
var nativeThumbImageSource = await service.GetImageSourceAsync(thumbImageSource);
nativeSlider.ThumbImageSource = nativeThumbImageSource?.Value;
}
}
static void SwapThumbs(MauiSlider slider)
{
if (slider.Thumb == null || slider.ImageThumb == null)
{
return;
}
if (slider.ThumbImageSource != null)
{
slider.Thumb.Visibility = UI.Xaml.Visibility.Collapsed;
slider.ImageThumb.Visibility = UI.Xaml.Visibility.Visible;
}
else
{
slider.Thumb.Visibility = UI.Xaml.Visibility.Visible;
slider.ImageThumb.Visibility = UI.Xaml.Visibility.Collapsed;
}
}
public static void UpdateMaximum(this MauiSlider nativeSlider, ISlider slider)
{
nativeSlider.Maximum = slider.Maximum;
nativeSlider.UpdateIncrement(slider);
}