100 lines
3.0 KiB
C#
100 lines
3.0 KiB
C#
// Licensed to the .NET Foundation under one or more agreements.
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// The .NET Foundation licenses this file to you under the MIT license.
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using Microsoft.Maui.Handlers;
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using Microsoft.Maui.Graphics;
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using SkiaSharp;
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namespace Microsoft.Maui.Platform.Linux.Handlers;
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/// <summary>
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/// Handler for Switch on Linux using Skia rendering.
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/// Maps ISwitch interface to SkiaSwitch platform view.
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/// </summary>
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public partial class SwitchHandler : ViewHandler<ISwitch, SkiaSwitch>
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{
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public static IPropertyMapper<ISwitch, SwitchHandler> Mapper = new PropertyMapper<ISwitch, SwitchHandler>(ViewHandler.ViewMapper)
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{
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[nameof(ISwitch.IsOn)] = MapIsOn,
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[nameof(ISwitch.TrackColor)] = MapTrackColor,
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[nameof(ISwitch.ThumbColor)] = MapThumbColor,
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[nameof(IView.Background)] = MapBackground,
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};
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public static CommandMapper<ISwitch, SwitchHandler> CommandMapper = new(ViewHandler.ViewCommandMapper)
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{
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};
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public SwitchHandler() : base(Mapper, CommandMapper)
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{
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}
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public SwitchHandler(IPropertyMapper? mapper, CommandMapper? commandMapper = null)
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: base(mapper ?? Mapper, commandMapper ?? CommandMapper)
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{
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}
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protected override SkiaSwitch CreatePlatformView()
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{
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return new SkiaSwitch();
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}
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protected override void ConnectHandler(SkiaSwitch platformView)
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{
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base.ConnectHandler(platformView);
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platformView.Toggled += OnToggled;
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}
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protected override void DisconnectHandler(SkiaSwitch platformView)
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{
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platformView.Toggled -= OnToggled;
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base.DisconnectHandler(platformView);
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}
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private void OnToggled(object? sender, Platform.ToggledEventArgs e)
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{
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if (VirtualView is not null && VirtualView.IsOn != e.Value)
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{
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VirtualView.IsOn = e.Value;
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}
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}
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public static void MapIsOn(SwitchHandler handler, ISwitch @switch)
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{
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if (handler.PlatformView is null) return;
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handler.PlatformView.IsOn = @switch.IsOn;
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}
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public static void MapTrackColor(SwitchHandler handler, ISwitch @switch)
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{
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if (handler.PlatformView is null) return;
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// TrackColor sets both On and Off track colors
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if (@switch.TrackColor is not null)
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{
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var color = @switch.TrackColor.ToSKColor();
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handler.PlatformView.OnTrackColor = color;
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// Off track could be a lighter version
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handler.PlatformView.OffTrackColor = color.WithAlpha(128);
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}
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}
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public static void MapThumbColor(SwitchHandler handler, ISwitch @switch)
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{
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if (handler.PlatformView is null) return;
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if (@switch.ThumbColor is not null)
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handler.PlatformView.ThumbColor = @switch.ThumbColor.ToSKColor();
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}
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public static void MapBackground(SwitchHandler handler, ISwitch @switch)
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{
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if (handler.PlatformView is null) return;
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if (@switch.Background is SolidPaint solidPaint && solidPaint.Color is not null)
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{
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handler.PlatformView.BackgroundColor = solidPaint.Color.ToSKColor();
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}
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}
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}
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