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https://github.com/ppy/osu.git
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141 lines
5.7 KiB
C#
141 lines
5.7 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 System;
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using System.Collections.Generic;
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using osu.Framework.Allocation;
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using osu.Framework.Configuration;
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using osu.Framework.Configuration.Tracking;
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using osu.Framework.Graphics;
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using osu.Framework.Graphics.Containers;
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using osuTK;
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using osu.Framework.Graphics.Transforms;
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using osu.Framework.Threading;
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using osu.Game.Configuration;
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using osu.Game.Overlays.OSD;
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namespace osu.Game.Overlays
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{
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/// <summary>
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/// An on-screen display which automatically tracks and displays toast notifications for <seealso cref="TrackedSettings"/>.
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/// Can also display custom content via <see cref="Display(Toast)"/>
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/// </summary>
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public class OnScreenDisplay : Container
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{
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private readonly Container box;
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private const float height = 110;
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private const float height_contracted = height * 0.9f;
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public OnScreenDisplay()
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{
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RelativeSizeAxes = Axes.Both;
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Children = new Drawable[]
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{
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box = new Container
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{
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Origin = Anchor.Centre,
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RelativePositionAxes = Axes.Both,
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Position = new Vector2(0.5f, 0.75f),
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Masking = true,
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AutoSizeAxes = Axes.X,
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Height = height_contracted,
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Alpha = 0,
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CornerRadius = 20,
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},
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};
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}
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[BackgroundDependencyLoader]
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private void load(FrameworkConfigManager frameworkConfig, OsuConfigManager osuConfig)
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{
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BeginTracking(this, frameworkConfig);
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BeginTracking(this, osuConfig);
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}
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private readonly Dictionary<(object, IConfigManager), TrackedSettings> trackedConfigManagers = new Dictionary<(object, IConfigManager), TrackedSettings>();
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/// <summary>
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/// Registers a <see cref="ConfigManager{T}"/> to have its settings tracked by this <see cref="OnScreenDisplay"/>.
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/// </summary>
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/// <param name="source">The object that is registering the <see cref="ConfigManager{T}"/> to be tracked.</param>
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/// <param name="configManager">The <see cref="ConfigManager{T}"/> to be tracked.</param>
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/// <exception cref="ArgumentNullException">If <paramref name="configManager"/> is null.</exception>
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/// <exception cref="InvalidOperationException">If <paramref name="configManager"/> is already being tracked from the same <paramref name="source"/>.</exception>
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public void BeginTracking(object source, ITrackableConfigManager configManager)
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{
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if (configManager == null) throw new ArgumentNullException(nameof(configManager));
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if (trackedConfigManagers.ContainsKey((source, configManager)))
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throw new InvalidOperationException($"{nameof(configManager)} is already registered.");
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var trackedSettings = configManager.CreateTrackedSettings();
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if (trackedSettings == null)
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return;
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configManager.LoadInto(trackedSettings);
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trackedSettings.SettingChanged += displayTrackedSettingChange;
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trackedConfigManagers.Add((source, configManager), trackedSettings);
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}
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/// <summary>
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/// Unregisters a <see cref="ConfigManager{T}"/> from having its settings tracked by this <see cref="OnScreenDisplay"/>.
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/// </summary>
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/// <param name="source">The object that registered the <see cref="ConfigManager{T}"/> to be tracked.</param>
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/// <param name="configManager">The <see cref="ConfigManager{T}"/> that is being tracked.</param>
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/// <exception cref="ArgumentNullException">If <paramref name="configManager"/> is null.</exception>
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/// <exception cref="InvalidOperationException">If <paramref name="configManager"/> is not being tracked from the same <see cref="source"/>.</exception>
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public void StopTracking(object source, ITrackableConfigManager configManager)
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{
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if (configManager == null) throw new ArgumentNullException(nameof(configManager));
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if (!trackedConfigManagers.TryGetValue((source, configManager), out var existing))
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return;
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existing.Unload();
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existing.SettingChanged -= displayTrackedSettingChange;
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trackedConfigManagers.Remove((source, configManager));
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}
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/// <summary>
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/// Displays the provided <see cref="Toast"/> temporarily.
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/// </summary>
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/// <param name="toast"></param>
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public void Display(Toast toast)
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{
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box.Child = toast;
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DisplayTemporarily(box);
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}
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private void displayTrackedSettingChange(SettingDescription description) => Schedule(() => Display(new TrackedSettingToast(description)));
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private TransformSequence<Drawable> fadeIn;
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private ScheduledDelegate fadeOut;
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protected virtual void DisplayTemporarily(Drawable toDisplay)
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{
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// avoid starting a new fade-in if one is already active.
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if (fadeIn == null)
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{
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fadeIn = toDisplay.Animate(
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b => b.FadeIn(500, Easing.OutQuint),
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b => b.ResizeHeightTo(height, 500, Easing.OutQuint)
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);
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fadeIn.Finally(_ => fadeIn = null);
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}
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fadeOut?.Cancel();
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fadeOut = Scheduler.AddDelayed(() =>
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{
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toDisplay.Animate(
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b => b.FadeOutFromOne(1500, Easing.InQuint),
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b => b.ResizeHeightTo(height_contracted, 1500, Easing.InQuint));
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}, 500);
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}
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}
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}
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