Files
LanMountainDesktop/LanMontainDesktop/Views/Components/RecordingWidget.axaml.cs
lincube 094745122e 0.2.6
媒体播放组件,录音组件
2026-03-03 18:26:29 +08:00

339 lines
11 KiB
C#

using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using Avalonia;
using Avalonia.Controls;
using Avalonia.Input;
using Avalonia.Media;
using Avalonia.Threading;
using LanMontainDesktop.Services;
namespace LanMontainDesktop.Views.Components;
public partial class RecordingWidget : UserControl, IDesktopComponentWidget
{
private const int WaveBarCount = 22;
private readonly DispatcherTimer _uiTimer = new()
{
Interval = TimeSpan.FromMilliseconds(96)
};
private readonly IAudioRecorderService _audioRecorderService = AudioRecorderServiceFactory.CreateDefault();
private readonly AppSettingsService _settingsService = new();
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;
public RecordingWidget()
{
InitializeComponent();
_uiTimer.Tick += OnUiTick;
AttachedToVisualTree += OnAttachedToVisualTree;
DetachedFromVisualTree += OnDetachedFromVisualTree;
SizeChanged += OnSizeChanged;
InitializeWaveBars();
ReloadLanguageCode();
ApplyCellSize(_currentCellSize);
RefreshVisual();
}
public void ApplyCellSize(double cellSize)
{
_currentCellSize = Math.Max(1, cellSize);
var scale = ResolveScale();
RootBorder.CornerRadius = new CornerRadius(Math.Clamp(34 * scale, 16, 56));
RootBorder.Padding = new Thickness(Math.Clamp(10 * scale, 6, 18));
RecorderCardBorder.CornerRadius = new CornerRadius(Math.Clamp(30 * scale, 14, 48));
var sideButtonSize = Math.Clamp(54 * scale, 38, 72);
DiscardButtonBorder.Width = sideButtonSize;
DiscardButtonBorder.Height = sideButtonSize;
DiscardButtonBorder.CornerRadius = new CornerRadius(sideButtonSize / 2d);
SaveButtonBorder.Width = sideButtonSize;
SaveButtonBorder.Height = sideButtonSize;
SaveButtonBorder.CornerRadius = new CornerRadius(sideButtonSize / 2d);
var centerButtonSize = Math.Clamp(68 * scale, 48, 86);
RecordToggleButtonBorder.Width = centerButtonSize;
RecordToggleButtonBorder.Height = centerButtonSize;
RecordToggleButtonBorder.CornerRadius = new CornerRadius(centerButtonSize / 2d);
WaveformBarsPanel.Spacing = Math.Clamp(3 * scale, 1.8, 5.4);
TitleTextBlock.FontSize = Math.Clamp(19 * scale, 13, 26);
TimerTextBlock.FontSize = Math.Clamp(66 * scale, 38, 84);
HintTextBlock.FontSize = Math.Clamp(13 * scale, 9, 16);
UpdateWaveformVisual();
}
private void OnAttachedToVisualTree(object? sender, VisualTreeAttachmentEventArgs e)
{
_isAttached = true;
_uiTimer.Start();
ReloadLanguageCode();
RefreshVisual();
}
private void OnDetachedFromVisualTree(object? sender, VisualTreeAttachmentEventArgs e)
{
_isAttached = false;
_uiTimer.Stop();
}
private void OnSizeChanged(object? sender, SizeChangedEventArgs e)
{
ApplyCellSize(_currentCellSize);
}
private void OnUiTick(object? sender, EventArgs e)
{
if (!_isAttached)
{
return;
}
RefreshVisual();
}
private void OnDiscardButtonPointerPressed(object? sender, PointerPressedEventArgs e)
{
if (!e.GetCurrentPoint(this).Properties.IsLeftButtonPressed)
{
return;
}
_audioRecorderService.Discard();
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
{
_audioRecorderService.StartOrResume();
}
RefreshVisual();
e.Handled = true;
}
private void OnSaveButtonPointerPressed(object? sender, PointerPressedEventArgs e)
{
if (!e.GetCurrentPoint(this).Properties.IsLeftButtonPressed)
{
return;
}
_ = _audioRecorderService.StopAndSave();
RefreshVisual();
e.Handled = true;
}
private void RefreshVisual()
{
var snapshot = _audioRecorderService.GetSnapshot();
TitleTextBlock.Text = L("recording.widget.title", "Recorder");
TimerTextBlock.Text = FormatDuration(snapshot.Duration);
var incomingLevel = snapshot.State == AudioRecorderRuntimeState.Recording
? snapshot.InputLevel
: snapshot.State == AudioRecorderRuntimeState.Paused
? 0.10
: 0;
PushWaveLevel(incomingLevel);
UpdateWaveformVisual();
ApplyControlState(snapshot);
}
private void ApplyControlState(AudioRecorderSnapshot snapshot)
{
var isSupported = snapshot.IsSupported;
var canFinalize = snapshot.State == AudioRecorderRuntimeState.Recording ||
snapshot.State == AudioRecorderRuntimeState.Paused;
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;
RecordDot.IsVisible = snapshot.State == AudioRecorderRuntimeState.Ready;
PauseGlyphPath.IsVisible = snapshot.State == AudioRecorderRuntimeState.Recording;
PlayGlyphPath.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 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 UpdateWaveformVisual()
{
var scale = ResolveScale();
var barWidth = Math.Clamp(3 * scale, 2, 5);
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 * 30)) * scale, 3, 46);
bar.CornerRadius = new CornerRadius(Math.Clamp(barWidth / 2d, 1, 3));
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));
}
}