Files
LanMountainDesktop/LanMontainDesktop/Views/Components/StudyNoiseCurveWidget.axaml.cs
lincube 1fad0005bd 0.3.1
天气组件又在优化调整。调整了噪音监测组件。
2026-03-04 12:25:07 +08:00

482 lines
16 KiB
C#

using System;
using System.Collections.Generic;
using System.Globalization;
using Avalonia;
using Avalonia.Controls;
using Avalonia.Media;
using Avalonia.Threading;
using LanMontainDesktop.Models;
using LanMontainDesktop.Services;
using LanMontainDesktop.Theme;
namespace LanMontainDesktop.Views.Components;
public partial class StudyNoiseCurveWidget : UserControl, IDesktopComponentWidget, IDesktopPageVisibilityAwareComponentWidget
{
private const double NormalTextMinContrast = 4.5;
private const double LargeTextMinContrast = 3.0;
private static readonly Color[] LightToneCandidates =
{
Color.Parse("#FFFFFFFF"),
Color.Parse("#FFF8FCFF"),
Color.Parse("#FFF0F7FF"),
Color.Parse("#FFE8F3FF"),
Color.Parse("#FFE0EEFF")
};
private static readonly Color DarkSubstrate = Color.Parse("#FF0B1220");
private static readonly Color LightSubstrate = Color.Parse("#FFF1F5FA");
private readonly object _snapshotSync = new();
private readonly IStudyAnalyticsService _studyAnalyticsService = StudyAnalyticsServiceFactory.CreateDefault();
private readonly AppSettingsService _settingsService = new();
private readonly LocalizationService _localizationService = new();
private readonly DispatcherTimer _renderTimer = new()
{
Interval = TimeSpan.FromMilliseconds(33)
};
private StudyAnalyticsSnapshot? _pendingSnapshot;
private bool _hasPendingSnapshot;
private double _currentCellSize = 48;
private string _languageCode = "zh-CN";
private bool _isAttached;
private bool _isOnActivePage = true;
private bool _isSubscribed;
private int _framesSinceCompaction;
private enum StatusVisualKind
{
Default = 0,
Quiet = 1,
Noisy = 2,
Error = 3
}
public StudyNoiseCurveWidget()
{
InitializeComponent();
_renderTimer.Tick += OnRenderTimerTick;
AttachedToVisualTree += OnAttachedToVisualTree;
DetachedFromVisualTree += OnDetachedFromVisualTree;
SizeChanged += OnSizeChanged;
ReloadLanguageCode();
ApplyCellSize(_currentCellSize);
ApplyDefaultXAxisLabels();
ApplyTypographyByBackground(ResolvePanelBackgroundColor());
ApplyStatusBadgeStyle(StatusVisualKind.Default, ResolvePanelBackgroundColor());
}
public void ApplyCellSize(double cellSize)
{
_currentCellSize = Math.Max(1, cellSize);
var scale = Math.Clamp(_currentCellSize / 48d, 0.78, 2.4);
RootBorder.CornerRadius = new CornerRadius(Math.Clamp(_currentCellSize * 0.44, 14, 42));
RootBorder.Padding = new Thickness(
Math.Clamp(14 * scale, 8, 22),
Math.Clamp(10 * scale, 6, 16));
StatusTextBlock.FontSize = Math.Clamp(16 * scale, 12, 30);
RealtimeValueTextBlock.FontSize = Math.Clamp(18 * scale, 12, 34);
StatusBadgeBorder.Padding = new Thickness(
Math.Clamp(8 * scale, 4, 11),
Math.Clamp(3 * scale, 2, 6));
StatusBadgeBorder.CornerRadius = new CornerRadius(Math.Clamp(8 * scale, 5, 12));
StatusBadgeBorder.BorderThickness = new Thickness(Math.Clamp(1 * scale, 0.8, 1.5));
var axisFontSize = Math.Clamp(10 * scale, 9.5, 18);
YTopTextBlock.FontSize = axisFontSize;
YUpperTextBlock.FontSize = axisFontSize;
YMiddleTextBlock.FontSize = axisFontSize;
YLowerTextBlock.FontSize = axisFontSize;
YBottomTextBlock.FontSize = axisFontSize;
XLeftTextBlock.FontSize = axisFontSize;
XCenterTextBlock.FontSize = axisFontSize;
XRightTextBlock.FontSize = axisFontSize;
}
public void SetDesktopPageContext(bool isOnActivePage, bool isEditMode)
{
_ = isEditMode;
_isOnActivePage = isOnActivePage;
UpdateRenderLoopState();
}
private void OnAttachedToVisualTree(object? sender, VisualTreeAttachmentEventArgs e)
{
_isAttached = true;
ReloadLanguageCode();
if (!_isSubscribed)
{
_studyAnalyticsService.SnapshotUpdated += OnStudySnapshotUpdated;
_isSubscribed = true;
}
_ = _studyAnalyticsService.StartOrResumeMonitoring();
lock (_snapshotSync)
{
_pendingSnapshot = _studyAnalyticsService.GetSnapshot();
_hasPendingSnapshot = true;
}
UpdateRenderLoopState();
}
private void OnDetachedFromVisualTree(object? sender, VisualTreeAttachmentEventArgs e)
{
_isAttached = false;
_renderTimer.Stop();
if (_isSubscribed)
{
_studyAnalyticsService.SnapshotUpdated -= OnStudySnapshotUpdated;
_isSubscribed = false;
}
}
private void OnSizeChanged(object? sender, SizeChangedEventArgs e)
{
ApplyCellSize(_currentCellSize);
var panelColor = ResolvePanelBackgroundColor();
ApplyTypographyByBackground(panelColor);
}
private void OnStudySnapshotUpdated(object? sender, StudyAnalyticsSnapshotChangedEventArgs e)
{
lock (_snapshotSync)
{
_pendingSnapshot = e.Snapshot;
_hasPendingSnapshot = true;
}
}
private void OnRenderTimerTick(object? sender, EventArgs e)
{
StudyAnalyticsSnapshot? snapshot = null;
lock (_snapshotSync)
{
if (_hasPendingSnapshot)
{
snapshot = _pendingSnapshot;
_hasPendingSnapshot = false;
}
}
if (snapshot is null)
{
return;
}
ApplySnapshot(snapshot);
_framesSinceCompaction++;
if (_framesSinceCompaction >= 900)
{
ChartControl.CompactCaches();
_framesSinceCompaction = 0;
}
}
private void UpdateRenderLoopState()
{
if (_isAttached && _isOnActivePage)
{
if (!_renderTimer.IsEnabled)
{
_renderTimer.Start();
}
return;
}
_renderTimer.Stop();
}
private void ApplySnapshot(StudyAnalyticsSnapshot snapshot)
{
var panelColor = ResolvePanelBackgroundColor();
ApplyTypographyByBackground(panelColor);
var statusKind = ResolveStatusVisualKind(snapshot);
StatusTextBlock.Text = ResolveStatusText(snapshot);
ApplyStatusBadgeStyle(statusKind, panelColor);
if (snapshot.LatestRealtimePoint is { } latestPoint)
{
RealtimeValueTextBlock.Text = string.Format(
CultureInfo.InvariantCulture,
L("study.noise_curve.value_format", "{0:F1} dB"),
latestPoint.DisplayDb);
}
else
{
RealtimeValueTextBlock.Text = L("study.environment.value.unavailable", "--");
}
ChartControl.UpdateSeries(snapshot.RealtimeBuffer);
UpdateXAxisLabels(snapshot);
}
private void ApplyTypographyByBackground(Color panelColor)
{
var samples = BuildPanelBackgroundSamples(panelColor);
var primaryBrush = CreateAdaptiveLightBrush(samples, LargeTextMinContrast, preferredAlpha: 0xF6);
var secondaryBrush = CreateAdaptiveLightBrush(samples, NormalTextMinContrast, preferredAlpha: 0xDF);
RealtimeValueTextBlock.Foreground = primaryBrush;
YTopTextBlock.Foreground = secondaryBrush;
YUpperTextBlock.Foreground = secondaryBrush;
YMiddleTextBlock.Foreground = secondaryBrush;
YLowerTextBlock.Foreground = secondaryBrush;
YBottomTextBlock.Foreground = secondaryBrush;
XLeftTextBlock.Foreground = secondaryBrush;
XCenterTextBlock.Foreground = secondaryBrush;
XRightTextBlock.Foreground = secondaryBrush;
}
private void ApplyStatusBadgeStyle(StatusVisualKind kind, Color panelColor)
{
var badgeBaseColor = kind switch
{
StatusVisualKind.Quiet => Color.Parse("#FF0F6B49"),
StatusVisualKind.Noisy => Color.Parse("#FF805018"),
StatusVisualKind.Error => Color.Parse("#FF8D2A3A"),
_ => Color.Parse("#FF213547")
};
var panelLuminance = RelativeLuminance(ToOpaqueAgainst(panelColor, DarkSubstrate));
var badgeAlpha = panelLuminance > 0.58
? (byte)0xE6
: panelLuminance > 0.46
? (byte)0xDB
: (byte)0xCC;
var badgeColor = Color.FromArgb(badgeAlpha, badgeBaseColor.R, badgeBaseColor.G, badgeBaseColor.B);
var badgeComposite = ToOpaqueAgainst(badgeColor, ToOpaqueAgainst(panelColor, DarkSubstrate));
StatusBadgeBorder.Background = new SolidColorBrush(badgeColor);
StatusBadgeBorder.BorderBrush = new SolidColorBrush(Color.FromArgb(0x96, 0xFF, 0xFF, 0xFF));
StatusTextBlock.Foreground = CreateAdaptiveLightBrush(new[] { badgeComposite }, NormalTextMinContrast, preferredAlpha: 0xFF);
}
private static StatusVisualKind ResolveStatusVisualKind(StudyAnalyticsSnapshot snapshot)
{
if (snapshot.State == StudyAnalyticsRuntimeState.Unsupported ||
snapshot.State == StudyAnalyticsRuntimeState.Error ||
snapshot.StreamStatus == NoiseStreamStatus.Error)
{
return StatusVisualKind.Error;
}
if (snapshot.StreamStatus == NoiseStreamStatus.Noisy)
{
return StatusVisualKind.Noisy;
}
if (snapshot.State == StudyAnalyticsRuntimeState.Running && snapshot.StreamStatus == NoiseStreamStatus.Quiet)
{
return StatusVisualKind.Quiet;
}
return StatusVisualKind.Default;
}
private Color ResolvePanelBackgroundColor()
{
if (RootBorder.Background is ISolidColorBrush solidBackground)
{
return solidBackground.Color;
}
if (TryGetResource("AdaptiveGlassStrongBackgroundBrush", null, out var resource) &&
resource is ISolidColorBrush solidBrush)
{
return solidBrush.Color;
}
return Color.Parse("#FF1E293B");
}
private static IReadOnlyList<Color> BuildPanelBackgroundSamples(Color panelColor)
{
var opaqueOnDark = ToOpaqueAgainst(panelColor, DarkSubstrate);
var opaqueOnLight = ToOpaqueAgainst(panelColor, LightSubstrate);
return new[]
{
opaqueOnDark,
opaqueOnLight,
ColorMath.Blend(opaqueOnDark, DarkSubstrate, 0.28),
ColorMath.Blend(opaqueOnDark, Color.Parse("#FFFFFFFF"), 0.16),
ColorMath.Blend(opaqueOnLight, Color.Parse("#FFFFFFFF"), 0.08),
ColorMath.Blend(opaqueOnLight, DarkSubstrate, 0.18)
};
}
private static SolidColorBrush CreateAdaptiveLightBrush(
IReadOnlyList<Color> backgroundSamples,
double minContrast,
byte preferredAlpha)
{
var alphaCandidates = new byte[]
{
preferredAlpha,
(byte)Math.Clamp(preferredAlpha + 20, 0, 255),
0xFF
};
for (var alphaIndex = 0; alphaIndex < alphaCandidates.Length; alphaIndex++)
{
var alpha = alphaCandidates[alphaIndex];
for (var toneIndex = 0; toneIndex < LightToneCandidates.Length; toneIndex++)
{
var tone = LightToneCandidates[toneIndex];
var candidate = Color.FromArgb(alpha, tone.R, tone.G, tone.B);
if (MinContrastRatio(candidate, backgroundSamples) >= minContrast)
{
return new SolidColorBrush(candidate);
}
}
}
return new SolidColorBrush(Color.Parse("#FFFFFFFF"));
}
private static double MinContrastRatio(Color foreground, IReadOnlyList<Color> backgrounds)
{
if (backgrounds.Count == 0)
{
return 21;
}
var minimum = double.MaxValue;
for (var i = 0; i < backgrounds.Count; i++)
{
var background = backgrounds[i];
var visibleForeground = foreground.A >= 0xFF
? Color.FromArgb(0xFF, foreground.R, foreground.G, foreground.B)
: ToOpaqueAgainst(foreground, background);
var ratio = ColorMath.ContrastRatio(visibleForeground, background);
if (ratio < minimum)
{
minimum = ratio;
}
}
return minimum;
}
private static Color ToOpaqueAgainst(Color foreground, Color background)
{
if (foreground.A >= 0xFF)
{
return Color.FromArgb(0xFF, foreground.R, foreground.G, foreground.B);
}
var alpha = foreground.A / 255d;
var red = (byte)Math.Round((foreground.R * alpha) + (background.R * (1 - alpha)));
var green = (byte)Math.Round((foreground.G * alpha) + (background.G * (1 - alpha)));
var blue = (byte)Math.Round((foreground.B * alpha) + (background.B * (1 - alpha)));
return Color.FromArgb(0xFF, red, green, blue);
}
private static double RelativeLuminance(Color color)
{
static double ToLinear(byte channel)
{
var c = channel / 255d;
return c <= 0.03928
? c / 12.92
: Math.Pow((c + 0.055) / 1.055, 2.4);
}
var r = ToLinear(color.R);
var g = ToLinear(color.G);
var b = ToLinear(color.B);
return 0.2126 * r + 0.7152 * g + 0.0722 * b;
}
private void UpdateXAxisLabels(StudyAnalyticsSnapshot snapshot)
{
var buffer = snapshot.RealtimeBuffer;
if (buffer.Count < 2)
{
ApplyDefaultXAxisLabels();
return;
}
var duration = (buffer[^1].Timestamp - buffer[0].Timestamp).TotalSeconds;
if (double.IsNaN(duration) || double.IsInfinity(duration) || duration <= 1)
{
duration = 12;
}
duration = Math.Clamp(duration, 4, 60);
var leftSeconds = Math.Round(duration, MidpointRounding.AwayFromZero);
var centerSeconds = Math.Round(duration / 2d, MidpointRounding.AwayFromZero);
XLeftTextBlock.Text = $"-{leftSeconds:0}s";
XCenterTextBlock.Text = $"-{centerSeconds:0}s";
XRightTextBlock.Text = L("study.noise_curve.axis.now", "现在");
}
private void ApplyDefaultXAxisLabels()
{
XLeftTextBlock.Text = "-12s";
XCenterTextBlock.Text = "-6s";
XRightTextBlock.Text = L("study.noise_curve.axis.now", "现在");
}
private string ResolveStatusText(StudyAnalyticsSnapshot snapshot)
{
if (snapshot.State == StudyAnalyticsRuntimeState.Unsupported)
{
return L("study.environment.status.unsupported", "不支持");
}
if (snapshot.State == StudyAnalyticsRuntimeState.Error || snapshot.StreamStatus == NoiseStreamStatus.Error)
{
return L("study.environment.status.error", "错误");
}
if (snapshot.State == StudyAnalyticsRuntimeState.Paused)
{
return L("study.environment.status.paused", "已暂停");
}
if (snapshot.StreamStatus == NoiseStreamStatus.Noisy)
{
return L("study.environment.status.noisy", "嘈杂");
}
if (snapshot.State == StudyAnalyticsRuntimeState.Running && snapshot.StreamStatus == NoiseStreamStatus.Quiet)
{
return L("study.environment.status.quiet", "安静");
}
if (snapshot.State == StudyAnalyticsRuntimeState.Ready)
{
return L("study.environment.status.ready", "待机");
}
return L("study.environment.status.initializing", "初始化中");
}
private void ReloadLanguageCode()
{
var snapshot = _settingsService.Load();
_languageCode = _localizationService.NormalizeLanguageCode(snapshot.LanguageCode);
}
private string L(string key, string fallback)
{
return _localizationService.GetString(_languageCode, key, fallback);
}
}