maui-linux/Handlers/ActivityIndicatorHandler.cs

65 lines
2.3 KiB
C#

// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using Microsoft.Maui.Handlers;
using Microsoft.Maui.Graphics;
using SkiaSharp;
namespace Microsoft.Maui.Platform.Linux.Handlers;
/// <summary>
/// Handler for ActivityIndicator on Linux using Skia rendering.
/// Maps IActivityIndicator interface to SkiaActivityIndicator platform view.
/// </summary>
public partial class ActivityIndicatorHandler : ViewHandler<IActivityIndicator, SkiaActivityIndicator>
{
public static IPropertyMapper<IActivityIndicator, ActivityIndicatorHandler> Mapper = new PropertyMapper<IActivityIndicator, ActivityIndicatorHandler>(ViewHandler.ViewMapper)
{
[nameof(IActivityIndicator.IsRunning)] = MapIsRunning,
[nameof(IActivityIndicator.Color)] = MapColor,
[nameof(IView.Background)] = MapBackground,
};
public static CommandMapper<IActivityIndicator, ActivityIndicatorHandler> CommandMapper = new(ViewHandler.ViewCommandMapper)
{
};
public ActivityIndicatorHandler() : base(Mapper, CommandMapper)
{
}
public ActivityIndicatorHandler(IPropertyMapper? mapper, CommandMapper? commandMapper = null)
: base(mapper ?? Mapper, commandMapper ?? CommandMapper)
{
}
protected override SkiaActivityIndicator CreatePlatformView()
{
return new SkiaActivityIndicator();
}
public static void MapIsRunning(ActivityIndicatorHandler handler, IActivityIndicator activityIndicator)
{
if (handler.PlatformView is null) return;
handler.PlatformView.IsRunning = activityIndicator.IsRunning;
}
public static void MapColor(ActivityIndicatorHandler handler, IActivityIndicator activityIndicator)
{
if (handler.PlatformView is null) return;
if (activityIndicator.Color is not null)
handler.PlatformView.Color = activityIndicator.Color.ToSKColor();
}
public static void MapBackground(ActivityIndicatorHandler handler, IActivityIndicator activityIndicator)
{
if (handler.PlatformView is null) return;
if (activityIndicator.Background is SolidPaint solidPaint && solidPaint.Color is not null)
{
handler.PlatformView.BackgroundColor = solidPaint.Color.ToSKColor();
}
}
}