mirror of https://github.com/ppy/osu
78 lines
2.4 KiB
C#
78 lines
2.4 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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using osu.Framework.Bindables;
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using osu.Framework.Graphics;
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using osu.Framework.Input;
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using osu.Framework.Input.Bindings;
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using osu.Framework.Input.Events;
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namespace osu.Game.Input
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{
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/// <summary>
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/// Track whether the end-user is in an idle state, based on their last interaction with the game.
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/// </summary>
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public class IdleTracker : Component, IKeyBindingHandler<PlatformAction>, IHandleGlobalKeyboardInput
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{
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private readonly double timeToIdle;
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private double lastInteractionTime;
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protected double TimeSpentIdle => Clock.CurrentTime - lastInteractionTime;
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/// <summary>
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/// Whether the user is currently in an idle state.
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/// </summary>
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public IBindable<bool> IsIdle => isIdle;
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private readonly BindableBool isIdle = new BindableBool();
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/// <summary>
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/// Whether the game can currently enter an idle state.
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/// </summary>
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protected virtual bool AllowIdle => true;
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/// <summary>
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/// Intstantiate a new <see cref="IdleTracker"/>.
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/// </summary>
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/// <param name="timeToIdle">The length in milliseconds until an idle state should be assumed.</param>
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public IdleTracker(double timeToIdle)
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{
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this.timeToIdle = timeToIdle;
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RelativeSizeAxes = Axes.Both;
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}
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protected override void Update()
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{
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base.Update();
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isIdle.Value = TimeSpentIdle > timeToIdle && AllowIdle;
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}
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public bool OnPressed(PlatformAction action) => updateLastInteractionTime();
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public bool OnReleased(PlatformAction action) => updateLastInteractionTime();
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protected override bool Handle(UIEvent e)
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{
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switch (e)
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{
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case KeyDownEvent _:
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case KeyUpEvent _:
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case MouseDownEvent _:
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case MouseUpEvent _:
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case MouseMoveEvent _:
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return updateLastInteractionTime();
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default:
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return base.Handle(e);
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}
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}
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private bool updateLastInteractionTime()
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{
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lastInteractionTime = Clock.CurrentTime;
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return false;
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}
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}
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}
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