Files
LanMountainDesktop/LanMountainDesktop/Views/Components/RecordingWidget.axaml.cs
lincube 65a3cf832a Revert "0.7.0.0"
This reverts commit aeae4be060.
2026-03-20 14:22:33 +08:00

636 lines
21 KiB
C#

using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Threading.Tasks;
using Avalonia;
using Avalonia.Controls;
using Avalonia.Input;
using Avalonia.Media;
using Avalonia.Platform.Storage;
using Avalonia.Styling;
using Avalonia.Threading;
using LanMountainDesktop.Models;
using LanMountainDesktop.Services;
namespace LanMountainDesktop.Views.Components;
public partial class RecordingWidget : UserControl, IDesktopComponentWidget, IDesktopPageVisibilityAwareComponentWidget, IDisposable
{
private const int WaveBarCount = 22;
private readonly DispatcherTimer _uiTimer = new()
{
Interval = TimeSpan.FromMilliseconds(96)
};
private readonly IAudioRecorderService _audioRecorderService = AudioRecorderServiceFactory.CreateRecorder();
private readonly IStudyAnalyticsService _studyAnalyticsService = StudyAnalyticsServiceFactory.CreateDefault();
private LanMountainDesktop.PluginSdk.ISettingsService _settingsService = LanMountainDesktop.Services.Settings.HostSettingsFacadeProvider.GetOrCreate().Settings;
private readonly LocalizationService _localizationService = new();
private readonly List<Border> _waveBars = [];
private readonly double[] _waveLevels = new double[WaveBarCount];
private string _languageCode = "zh-CN";
private string _lastSavedFilePath = string.Empty;
private double _currentCellSize = 48;
private bool _isAttached;
private bool _isOnActivePage = true;
private bool _pausedStudyMonitoringForRecording;
private bool _isNightVisual = true;
private bool _isDisposed;
public RecordingWidget()
{
InitializeComponent();
_uiTimer.Tick += OnUiTick;
AttachedToVisualTree += OnAttachedToVisualTree;
DetachedFromVisualTree += OnDetachedFromVisualTree;
SizeChanged += OnSizeChanged;
ActualThemeVariantChanged += OnActualThemeVariantChanged;
InitializeWaveBars();
ReloadLanguageCode();
ApplyCellSize(_currentCellSize);
RefreshVisual();
}
public void ApplyCellSize(double cellSize)
{
_currentCellSize = Math.Max(1, cellSize);
var rawScale = ResolveScale();
var chromeScale = Math.Clamp(rawScale, 0.62, 2.0);
var contentScale = Math.Clamp(rawScale, 0.74, 1.0);
var rootRadius = ComponentChromeCornerRadiusHelper.Scale(34 * chromeScale, 16, 56);
RootBorder.CornerRadius = rootRadius;
RootBorder.Padding = new Thickness(0);
RecorderCardBorder.CornerRadius = rootRadius;
RecorderContentGrid.Margin = new Thickness(
ComponentChromeCornerRadiusHelper.SafeValue(24 * contentScale, 14, 26),
ComponentChromeCornerRadiusHelper.SafeValue(18 * contentScale, 10, 22),
ComponentChromeCornerRadiusHelper.SafeValue(24 * contentScale, 14, 26),
ComponentChromeCornerRadiusHelper.SafeValue(18 * contentScale, 10, 24));
var sideButtonSize = Math.Clamp(54 * contentScale, 34, 58);
DiscardButtonBorder.Width = sideButtonSize;
DiscardButtonBorder.Height = sideButtonSize;
DiscardButtonBorder.CornerRadius = new CornerRadius(sideButtonSize / 2d);
DiscardIcon.FontSize = Math.Clamp(20 * contentScale, 14, 22);
SaveButtonBorder.Width = sideButtonSize;
SaveButtonBorder.Height = sideButtonSize;
SaveButtonBorder.CornerRadius = new CornerRadius(sideButtonSize / 2d);
SaveIcon.FontSize = Math.Clamp(22 * contentScale, 15, 24);
var centerButtonSize = Math.Clamp(68 * contentScale, 42, 72);
RecordToggleButtonBorder.Width = centerButtonSize;
RecordToggleButtonBorder.Height = centerButtonSize;
RecordToggleButtonBorder.CornerRadius = new CornerRadius(centerButtonSize / 2d);
var centerIconSize = Math.Clamp(20 * contentScale, 14, 24);
PauseGlyphIcon.FontSize = centerIconSize;
PlayGlyphIcon.FontSize = centerIconSize;
var recordDotSize = Math.Clamp(15 * contentScale, 10, 16);
RecordDot.Width = recordDotSize;
RecordDot.Height = recordDotSize;
WaveformRowGrid.Margin = new Thickness(0, Math.Clamp(12 * contentScale, 6, 16), 0, 0);
CenterNeedle.Height = Math.Clamp(32 * contentScale, 18, 34);
FutureLine.Margin = new Thickness(Math.Clamp(4 * contentScale, 2, 6), 0, 0, 0);
FutureLine.Height = Math.Clamp(2 * contentScale, 1, 3);
ControlButtonsGrid.Margin = new Thickness(0, Math.Clamp(16 * contentScale, 8, 20), 0, 0);
ControlButtonsGrid.ColumnSpacing = Math.Clamp(16 * contentScale, 8, 16);
HintTextBlock.Margin = new Thickness(0, Math.Clamp(8 * contentScale, 4, 10), 0, 0);
WaveformBarsPanel.Spacing = Math.Clamp(3 * contentScale, 1.6, 3.4);
TitleTextBlock.FontSize = Math.Clamp(19 * contentScale, 12, 20);
TimerTextBlock.FontSize = Math.Clamp(66 * contentScale, 34, 66);
HintTextBlock.FontSize = Math.Clamp(13 * contentScale, 9, 13);
UpdateWaveformVisual();
}
public void SetDesktopPageContext(bool isOnActivePage, bool isEditMode)
{
_ = isEditMode;
var wasOnActivePage = _isOnActivePage;
_isOnActivePage = isOnActivePage;
UpdateUiTimerState();
if (!wasOnActivePage && _isOnActivePage && _isAttached)
{
ReloadLanguageCode();
RefreshVisual();
}
}
private void OnAttachedToVisualTree(object? sender, VisualTreeAttachmentEventArgs e)
{
_isAttached = true;
UpdateUiTimerState();
ReloadLanguageCode();
RefreshVisual();
}
private void OnDetachedFromVisualTree(object? sender, VisualTreeAttachmentEventArgs e)
{
_isAttached = false;
UpdateUiTimerState();
var snapshot = _audioRecorderService.GetSnapshot();
if (snapshot.State is not AudioRecorderRuntimeState.Recording and not AudioRecorderRuntimeState.Paused)
{
ResumeStudyMonitoringIfNeeded();
}
}
private void OnSizeChanged(object? sender, SizeChangedEventArgs e)
{
ApplyCellSize(_currentCellSize);
}
private void OnActualThemeVariantChanged(object? sender, EventArgs e)
{
_isNightVisual = ResolveNightMode();
ApplyNightModeVisual();
}
private bool ResolveNightMode()
{
if (ActualThemeVariant == ThemeVariant.Dark)
{
return true;
}
if (ActualThemeVariant == ThemeVariant.Light)
{
return false;
}
if (this.TryFindResource("AdaptiveSurfaceBaseBrush", out var value) &&
value is ISolidColorBrush brush)
{
return CalculateRelativeLuminance(brush.Color) < 0.45;
}
return true;
}
private static double CalculateRelativeLuminance(Color color)
{
static double ToLinear(double channel)
{
return channel <= 0.03928
? channel / 12.92
: Math.Pow((channel + 0.055) / 1.055, 2.4);
}
var r = ToLinear(color.R / 255d);
var g = ToLinear(color.G / 255d);
var b = ToLinear(color.B / 255d);
return 0.2126 * r + 0.7152 * g + 0.0722 * b;
}
private void ApplyNightModeVisual()
{
RootBorder.Background = new SolidColorBrush(_isNightVisual ? Color.Parse("#1B2129") : Color.Parse("#ECEFF3"));
RootBorder.BorderBrush = new SolidColorBrush(_isNightVisual ? Color.Parse("#33FFFFFF") : Color.Parse("#D9DEE7"));
TitleTextBlock.Foreground = new SolidColorBrush(_isNightVisual ? Color.Parse("#E8EAED") : Color.Parse("#11151D"));
TimerTextBlock.Foreground = new SolidColorBrush(_isNightVisual ? Color.Parse("#A8B1C2") : Color.Parse("#A4A9B2"));
FutureLine.Background = new SolidColorBrush(_isNightVisual ? Color.Parse("#A8B1C2") : Color.Parse("#A3A8B3"));
DiscardButtonBorder.Background = new SolidColorBrush(_isNightVisual ? Color.Parse("#2D3440") : Color.Parse("#F8FAFD"));
DiscardButtonBorder.BorderBrush = new SolidColorBrush(_isNightVisual ? Color.Parse("#3D4451") : Color.Parse("#E0E5EC"));
DiscardIcon.Foreground = new SolidColorBrush(_isNightVisual ? Color.Parse("#E8EAED") : Color.Parse("#141922"));
SaveButtonBorder.Background = new SolidColorBrush(_isNightVisual ? Color.Parse("#2D3440") : Color.Parse("#F8FAFD"));
SaveButtonBorder.BorderBrush = new SolidColorBrush(_isNightVisual ? Color.Parse("#3D4451") : Color.Parse("#E0E5EC"));
SaveIcon.Foreground = new SolidColorBrush(_isNightVisual ? Color.Parse("#E8EAED") : Color.Parse("#141922"));
HintTextBlock.Foreground = new SolidColorBrush(_isNightVisual ? Color.Parse("#8B95A5") : Color.Parse("#7A818E"));
}
private void OnUiTick(object? sender, EventArgs e)
{
if (!_isAttached || !_isOnActivePage)
{
return;
}
RefreshVisual();
}
private void UpdateUiTimerState()
{
if (_isAttached && _isOnActivePage)
{
if (!_uiTimer.IsEnabled)
{
_uiTimer.Start();
}
return;
}
_uiTimer.Stop();
}
private void OnDiscardButtonPointerPressed(object? sender, PointerPressedEventArgs e)
{
if (!e.GetCurrentPoint(this).Properties.IsLeftButtonPressed)
{
return;
}
_audioRecorderService.Discard();
ResumeStudyMonitoringIfNeeded();
RefreshVisual();
e.Handled = true;
}
private void OnRecordToggleButtonPointerPressed(object? sender, PointerPressedEventArgs e)
{
if (!e.GetCurrentPoint(this).Properties.IsLeftButtonPressed)
{
return;
}
var snapshot = _audioRecorderService.GetSnapshot();
if (!snapshot.IsSupported)
{
RefreshVisual();
e.Handled = true;
return;
}
if (snapshot.State == AudioRecorderRuntimeState.Recording)
{
_audioRecorderService.Pause();
}
else
{
_ = TryStartRecordingWithMonitoringHandoff();
}
RefreshVisual();
e.Handled = true;
}
private async void OnSaveButtonPointerPressed(object? sender, PointerPressedEventArgs e)
{
if (!e.GetCurrentPoint(this).Properties.IsLeftButtonPressed)
{
return;
}
var snapshot = _audioRecorderService.GetSnapshot();
if (!snapshot.IsSupported)
{
RefreshVisual();
e.Handled = true;
return;
}
if (snapshot.State == AudioRecorderRuntimeState.Recording)
{
_audioRecorderService.Pause();
}
var (wasCancelled, outputPath) = await PickSavePathAsync();
if (wasCancelled)
{
RefreshVisual();
e.Handled = true;
return;
}
_ = _audioRecorderService.StopAndSave(outputPath);
ResumeStudyMonitoringIfNeeded();
RefreshVisual();
e.Handled = true;
}
private void RefreshVisual()
{
var snapshot = _audioRecorderService.GetSnapshot();
if (_pausedStudyMonitoringForRecording &&
snapshot.State is AudioRecorderRuntimeState.Ready or AudioRecorderRuntimeState.Error or AudioRecorderRuntimeState.Unsupported)
{
ResumeStudyMonitoringIfNeeded();
snapshot = _audioRecorderService.GetSnapshot();
}
TitleTextBlock.Text = L("recording.widget.title", "Recorder");
TimerTextBlock.Text = FormatDuration(snapshot.Duration);
if (snapshot.State == AudioRecorderRuntimeState.Recording)
{
PushWaveLevel(snapshot.InputLevel);
}
else if (snapshot.State != AudioRecorderRuntimeState.Paused)
{
ClearWaveLevels();
}
UpdateWaveformVisual();
ApplyControlState(snapshot);
}
private void ApplyControlState(AudioRecorderSnapshot snapshot)
{
var isSupported = snapshot.IsSupported;
var canFinalize = snapshot.State == AudioRecorderRuntimeState.Recording ||
snapshot.State == AudioRecorderRuntimeState.Paused;
var isReady = snapshot.State == AudioRecorderRuntimeState.Ready;
TitleTextBlock.IsVisible = false;
DiscardButtonBorder.IsVisible = canFinalize;
SaveButtonBorder.IsVisible = canFinalize;
DiscardButtonBorder.IsHitTestVisible = isSupported && canFinalize;
SaveButtonBorder.IsHitTestVisible = isSupported && canFinalize;
RecordToggleButtonBorder.IsHitTestVisible = isSupported;
DiscardButtonBorder.Opacity = DiscardButtonBorder.IsHitTestVisible ? 1 : 0.42;
SaveButtonBorder.Opacity = SaveButtonBorder.IsHitTestVisible ? 1 : 0.42;
RecordToggleButtonBorder.Opacity = RecordToggleButtonBorder.IsHitTestVisible ? 1 : 0.54;
if (!isSupported)
{
TimerTextBlock.Foreground = CreateBrush(_isNightVisual ? "#A8B1C2" : "#B2B7C0");
}
else if (isReady)
{
TimerTextBlock.Foreground = CreateBrush(_isNightVisual ? "#A8B1C2" : "#A4A9B2");
}
else
{
TimerTextBlock.Foreground = CreateBrush(_isNightVisual ? "#E8EAED" : "#151922");
}
HintTextBlock.IsVisible = !isReady || !isSupported;
RecordDot.IsVisible = snapshot.State == AudioRecorderRuntimeState.Ready;
PauseGlyphIcon.IsVisible = snapshot.State == AudioRecorderRuntimeState.Recording;
PlayGlyphIcon.IsVisible = snapshot.State == AudioRecorderRuntimeState.Paused;
if (!isSupported)
{
HintTextBlock.Text = L("recording.widget.hint.unsupported", "Microphone is unavailable");
return;
}
if (snapshot.State == AudioRecorderRuntimeState.Recording)
{
HintTextBlock.Text = L("recording.widget.hint.recording", "Recording");
return;
}
if (snapshot.State == AudioRecorderRuntimeState.Paused)
{
HintTextBlock.Text = L("recording.widget.hint.paused", "Paused");
return;
}
if (snapshot.State == AudioRecorderRuntimeState.Error)
{
HintTextBlock.Text = string.IsNullOrWhiteSpace(snapshot.LastError)
? L("recording.widget.hint.error", "Recording failed")
: snapshot.LastError;
return;
}
if (!string.IsNullOrWhiteSpace(snapshot.LastSavedFilePath) &&
!string.Equals(snapshot.LastSavedFilePath, _lastSavedFilePath, StringComparison.OrdinalIgnoreCase))
{
_lastSavedFilePath = snapshot.LastSavedFilePath;
}
if (!string.IsNullOrWhiteSpace(_lastSavedFilePath))
{
var fileName = Path.GetFileName(_lastSavedFilePath);
HintTextBlock.Text = string.Format(
CultureInfo.InvariantCulture,
L("recording.widget.hint.saved_format", "Saved {0}"),
fileName);
return;
}
HintTextBlock.Text = L("recording.widget.hint.ready", "Tap red button to record");
}
private bool TryStartRecordingWithMonitoringHandoff()
{
if (_audioRecorderService.StartOrResume())
{
return true;
}
if (!TryPauseStudyMonitoringForRecording())
{
return false;
}
if (_audioRecorderService.StartOrResume())
{
return true;
}
ResumeStudyMonitoringIfNeeded();
return false;
}
private bool TryPauseStudyMonitoringForRecording()
{
if (_pausedStudyMonitoringForRecording)
{
return true;
}
var snapshot = _studyAnalyticsService.GetSnapshot();
if (snapshot.State != StudyAnalyticsRuntimeState.Running)
{
return false;
}
if (!_studyAnalyticsService.PauseMonitoring())
{
return false;
}
_pausedStudyMonitoringForRecording = true;
return true;
}
private void ResumeStudyMonitoringIfNeeded()
{
if (!_pausedStudyMonitoringForRecording)
{
return;
}
_pausedStudyMonitoringForRecording = false;
_ = _studyAnalyticsService.StartOrResumeMonitoring();
}
private void InitializeWaveBars()
{
if (_waveBars.Count > 0)
{
return;
}
for (var i = 0; i < WaveBarCount; i++)
{
var bar = new Border
{
Width = 3,
Height = 6,
CornerRadius = new CornerRadius(1.5),
Background = CreateBrush("#121722"),
Opacity = 0.24,
VerticalAlignment = Avalonia.Layout.VerticalAlignment.Center
};
_waveBars.Add(bar);
WaveformBarsPanel.Children.Add(bar);
}
}
private void PushWaveLevel(double level)
{
for (var i = 0; i < _waveLevels.Length - 1; i++)
{
_waveLevels[i] = _waveLevels[i + 1];
}
var previous = _waveLevels[^2];
var target = Math.Clamp(level, 0, 1);
_waveLevels[^1] = Math.Clamp((previous * 0.35) + (target * 0.65), 0, 1);
}
private void ClearWaveLevels()
{
Array.Fill(_waveLevels, 0);
}
private void UpdateWaveformVisual()
{
var scale = Math.Clamp(ResolveScale(), 0.74, 1.0);
var barWidth = Math.Clamp(3 * scale, 1.8, 3.2);
for (var i = 0; i < _waveBars.Count; i++)
{
var bar = _waveBars[i];
var eased = Math.Pow(Math.Clamp(_waveLevels[i], 0, 1), 0.62);
bar.Width = barWidth;
bar.Height = Math.Clamp((4 + (eased * 24)) * scale, 3, 30);
bar.CornerRadius = new CornerRadius(Math.Clamp(barWidth / 2d, 1, 2));
bar.Opacity = Math.Clamp(0.20 + (eased * 0.82), 0.20, 1.0);
}
}
private void ReloadLanguageCode()
{
try
{
var snapshot = _settingsService.Load();
_languageCode = _localizationService.NormalizeLanguageCode(snapshot.LanguageCode);
}
catch
{
_languageCode = "zh-CN";
}
}
private string L(string key, string fallback)
{
return _localizationService.GetString(_languageCode, key, fallback);
}
private double ResolveScale()
{
var cellScale = Math.Clamp(_currentCellSize / 44d, 0.60, 2.0);
var widthScale = Bounds.Width > 1
? Math.Clamp(Bounds.Width / Math.Max(1, _currentCellSize * 2), 0.60, 2.0)
: 1;
var heightScale = Bounds.Height > 1
? Math.Clamp(Bounds.Height / Math.Max(1, _currentCellSize * 2), 0.60, 2.0)
: 1;
return Math.Clamp(Math.Min(cellScale, Math.Min(widthScale, heightScale) * 1.02), 0.58, 2.04);
}
private static string FormatDuration(TimeSpan duration)
{
if (duration.TotalHours >= 1)
{
return duration.ToString(@"hh\:mm\:ss", CultureInfo.InvariantCulture);
}
return duration.ToString(@"mm\:ss", CultureInfo.InvariantCulture);
}
private static IBrush CreateBrush(string colorHex)
{
return new SolidColorBrush(Color.Parse(colorHex));
}
private async Task<(bool WasCancelled, string? OutputPath)> PickSavePathAsync()
{
var suggestedName = $"recording_{DateTime.Now:yyyyMMdd_HHmmss}.wav";
var topLevel = TopLevel.GetTopLevel(this);
var storageProvider = topLevel?.StorageProvider;
if (storageProvider is null)
{
return (false, null);
}
var saveFile = await storageProvider.SaveFilePickerAsync(new FilePickerSaveOptions
{
Title = L("recording.widget.save_picker_title", "Save recording"),
SuggestedFileName = suggestedName,
DefaultExtension = "wav",
FileTypeChoices =
[
new FilePickerFileType(L("recording.widget.save_picker_type", "WAV audio"))
{
Patterns = ["*.wav"],
MimeTypes = ["audio/wav", "audio/x-wav"]
}
]
});
if (saveFile is null)
{
return (true, null);
}
var path = saveFile.Path;
if (path is null || !path.IsFile)
{
return (true, null);
}
return (false, path.LocalPath);
}
public void Dispose()
{
if (_isDisposed)
{
return;
}
_isDisposed = true;
_uiTimer.Stop();
_uiTimer.Tick -= OnUiTick;
AttachedToVisualTree -= OnAttachedToVisualTree;
DetachedFromVisualTree -= OnDetachedFromVisualTree;
SizeChanged -= OnSizeChanged;
ActualThemeVariantChanged -= OnActualThemeVariantChanged;
_audioRecorderService.Dispose();
}
}