1027 lines
34 KiB
C#
1027 lines
34 KiB
C#
using System.Collections.ObjectModel;
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using System.Collections.Specialized;
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using System.ComponentModel;
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using System.Diagnostics;
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using System.IO;
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using System.Windows;
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using System.Windows.Input;
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using System.Windows.Media;
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using System.Windows.Threading;
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using Microsoft.Win32;
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using ytLive.Helpers;
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using ytLive.Models;
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using ytLive.Services;
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namespace ytLive.ViewModels;
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public class MainViewModel : ViewModelBase
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{
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private readonly YouTubeAuthService _youtubeAuth;
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private readonly YouTubeStreamService _youtubeStream;
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private readonly YouTubeChatService _youtubeChat;
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private readonly DispatcherTimer _liveTimer;
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private Scene? _activeScene;
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private Source? _selectedSource;
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private ImageSource? _activeBackgroundImage;
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private bool _isConnected;
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private StreamStatus _streamStatus = StreamStatus.Offline;
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private StreamHealth _currentHealth = new();
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private string _streamTitle = string.Empty;
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private string _streamDescription = string.Empty;
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private string _streamVisibility = "Public";
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private string _windowTitle = "ytLlive";
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private string _topBarBackground = "#16213e";
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private string _previewGlowBrush = "Transparent";
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private Thickness _previewGlowThickness = new(0);
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private string _liveElapsedText = "00:00:00";
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private double _livePulseOpacity = 1.0;
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private TimeSpan _liveElapsed;
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private bool _isSettingsOpen;
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private bool _isBugOpen;
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private bool _isFeatureOpen;
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private bool _isAboutOpen;
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private string _overlayTitle = string.Empty;
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private string _defaultStreamTitle = string.Empty;
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private string _defaultStreamDescription = string.Empty;
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private string _defaultStreamVisibility = "Public";
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private string _bugReportText = string.Empty;
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private string _bugReportEmail = string.Empty;
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private string _featureRequestText = string.Empty;
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private string _featureRequestEmail = string.Empty;
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private LayoutStore _layoutStore;
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private string? _activeLayoutPath;
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private DispatcherTimer? _saveDebounce;
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private bool _isLoading;
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// Branding flash (monetization): a full-frame "made with ytLlive!" shown
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// for ~1s every 300s on the live output, ~25% opacity. Paid unlock sets
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// BrandFlashEnabled = false. See ai.md "Monetization".
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private readonly DispatcherTimer _brandFlashTimer;
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private readonly DispatcherTimer _brandFlashOffTimer;
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private bool _brandFlashEnabled = true;
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private bool _brandFlashActive;
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private const string SupportEmail = "gramps@llamachile.shop";
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private const string ChannelUrl = "https://youtube.com/@llamachileshop";
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public static string AppVersionLabel => $"Version {typeof(MainViewModel).Assembly.GetName().Version?.ToString(3)}";
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public ObservableCollection<Scene> Scenes { get; } = new();
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public ObservableCollection<ChatMessage> ChatMessages { get; } = new();
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public string[] Visibilities { get; } = { "Public", "Unlisted", "Private" };
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public Scene? ActiveScene
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{
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get => _activeScene;
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set
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{
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if (value != null && value.IsHidden) return;
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if (SetProperty(ref _activeScene, value))
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{
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SelectedSource = null;
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OnPropertyChanged(nameof(ShowChatInactiveMessage));
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OnPropertyChanged(nameof(ShowEmptySceneHint));
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OnPropertyChanged(nameof(ShowPreviewPlaceholder));
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OnPropertyChanged(nameof(ShowSourcesEmptyHint));
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UpdateActiveBackground();
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}
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}
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}
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public ImageSource? ActiveBackgroundImage
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{
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get => _activeBackgroundImage;
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private set => SetProperty(ref _activeBackgroundImage, value);
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}
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public Source? SelectedSource
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{
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get => _selectedSource;
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set => SetProperty(ref _selectedSource, value);
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}
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public StreamStatus StreamStatus
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{
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get => _streamStatus;
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set
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{
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if (SetProperty(ref _streamStatus, value))
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{
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OnPropertyChanged(nameof(IsOffline));
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OnPropertyChanged(nameof(IsLive));
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OnPropertyChanged(nameof(LiveIndicatorVisible));
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OnPropertyChanged(nameof(ShowStartStream));
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OnPropertyChanged(nameof(ShowChatInactiveMessage));
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OnPropertyChanged(nameof(ShowPreviewPlaceholder));
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UpdateLiveVisuals();
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}
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}
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}
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public bool IsConnected
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{
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get => _isConnected;
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set
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{
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if (SetProperty(ref _isConnected, value))
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OnPropertyChanged(nameof(ShowStartStream));
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}
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}
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public bool IsOffline => StreamStatus == StreamStatus.Offline;
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public bool IsLive => StreamStatus == StreamStatus.Streaming;
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public bool LiveIndicatorVisible => IsLive;
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public bool ShowStartStream => IsOffline;
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public bool ShowChatInactiveMessage => !IsLive;
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public bool ShowEmptySceneHint => ActiveScene != null && ActiveScene.Sources.Count == 0;
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public bool ShowPreviewPlaceholder => !ShowEmptySceneHint && ActiveBackgroundImage == null;
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public bool ShowSourcesEmptyHint => ActiveScene == null || ActiveScene.Sources.Count == 0;
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// Paid unlock flips this off (see ai.md "Monetization"). When disabled the
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// cadence timer is stopped and any active flash is hidden immediately.
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public bool BrandFlashEnabled
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{
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get => _brandFlashEnabled;
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set
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{
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if (!SetProperty(ref _brandFlashEnabled, value)) return;
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if (value)
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{
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if (IsLive) StartBrandFlashTimer();
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}
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else
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{
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_brandFlashTimer.Stop();
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_brandFlashOffTimer.Stop();
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BrandFlashActive = false;
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}
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}
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}
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public bool BrandFlashActive
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{
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get => _brandFlashActive;
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private set => SetProperty(ref _brandFlashActive, value);
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}
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private void UpdateActiveBackground()
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{
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var background = ActiveScene?.Sources.FirstOrDefault(s => s.Type == SourceType.Background);
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ActiveBackgroundImage = background != null && !string.IsNullOrWhiteSpace(background.AssetId)
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? ImageCache.Get(background.AssetId)
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: null;
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OnPropertyChanged(nameof(ShowPreviewPlaceholder));
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}
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public StreamHealth CurrentHealth
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{
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get => _currentHealth;
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set => SetProperty(ref _currentHealth, value);
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}
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public string StreamTitle
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{
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get => _streamTitle;
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set => SetProperty(ref _streamTitle, value);
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}
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public string StreamDescription
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{
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get => _streamDescription;
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set => SetProperty(ref _streamDescription, value);
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}
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public string StreamVisibility
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{
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get => _streamVisibility;
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set => SetProperty(ref _streamVisibility, value);
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}
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public string WindowTitle
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{
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get => _windowTitle;
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set => SetProperty(ref _windowTitle, value);
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}
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public string TopBarBackground
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{
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get => _topBarBackground;
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set => SetProperty(ref _topBarBackground, value);
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}
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public string PreviewGlowBrush
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{
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get => _previewGlowBrush;
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set => SetProperty(ref _previewGlowBrush, value);
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}
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public Thickness PreviewGlowThickness
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{
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get => _previewGlowThickness;
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set => SetProperty(ref _previewGlowThickness, value);
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}
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public string LiveElapsedText
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{
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get => _liveElapsedText;
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set => SetProperty(ref _liveElapsedText, value);
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}
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public double LivePulseOpacity
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{
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get => _livePulseOpacity;
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set => SetProperty(ref _livePulseOpacity, value);
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}
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// Overlay panels
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public bool IsSettingsOpen
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{
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get => _isSettingsOpen;
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private set => SetPanel(ref _isSettingsOpen, value);
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}
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public bool IsBugOpen
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{
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get => _isBugOpen;
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private set => SetPanel(ref _isBugOpen, value);
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}
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public bool IsFeatureOpen
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{
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get => _isFeatureOpen;
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private set => SetPanel(ref _isFeatureOpen, value);
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}
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public bool IsAboutOpen
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{
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get => _isAboutOpen;
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private set => SetPanel(ref _isAboutOpen, value);
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}
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public bool IsAnyOverlayOpen => IsSettingsOpen || IsBugOpen || IsFeatureOpen || IsAboutOpen;
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public string OverlayTitle
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{
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get => _overlayTitle;
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private set => SetProperty(ref _overlayTitle, value);
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}
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public string DefaultStreamTitle
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{
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get => _defaultStreamTitle;
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set => SetProperty(ref _defaultStreamTitle, value);
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}
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public string DefaultStreamDescription
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{
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get => _defaultStreamDescription;
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set => SetProperty(ref _defaultStreamDescription, value);
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}
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public string DefaultStreamVisibility
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{
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get => _defaultStreamVisibility;
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set => SetProperty(ref _defaultStreamVisibility, value);
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}
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// ─── Resolution quality dropdown (bottom bar) ───
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// Tiers offered to the creator before going live. First = default. The
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// dropdown is disabled while live because YouTube stream resolution is
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// immutable after stream creation (see TASKS.md compliance notes).
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// The composition master frame. Every tier is an output rect + target
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// resolution over this frame (see ai.md "Resolution tiers"): 16:9 tiers
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// use the full frame; the vertical tier uses a centered 9:16 window and
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// the preview dims the cropped strips (semi-crop).
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private const double MasterFrameWidth = 1920;
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private const double MasterFrameHeight = 1080;
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public QualityOption[] QualityOptions { get; } =
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{
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new("1080p60", 60, 8.0, 1920, 1080),
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new("1080p30", 30, 8.0, 1920, 1080),
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new("720p60", 60, 6.0, 1280, 720),
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new("720p30", 30, 6.0, 1280, 720),
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new("Vertical 1080p60", 60, 8.0, 1080, 1920),
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};
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public string ResolutionHelp { get; } =
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"Pick the highest resolution your upload bandwidth can comfortably sustain. " +
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"Find your upload speed on your ISP plan or with a speed test (e.g. fast.com), " +
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"then choose a tier your upload comfortably exceeds. 1080p60 is the default.";
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private QualityOption _selectedQuality;
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public QualityOption SelectedQuality
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{
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get => _selectedQuality;
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set
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{
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if (SetProperty(ref _selectedQuality, value))
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ApplyStreamQuality(value);
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}
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}
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// Output frame of the selected tier over the 1920x1080 master. The strips
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// outside it are dimmed in the preview so the cropped area stays visible.
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public double OutputRectX { get; private set; }
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public double OutputRectY { get; private set; }
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public double OutputRectWidth { get; private set; }
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public double OutputRectHeight { get; private set; }
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public bool IsOutputCropped { get; private set; }
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public string ResolutionBadgeText { get; private set; } = string.Empty;
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public ObservableCollection<Rect> DimRects { get; } = new();
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private void ApplyStreamQuality(QualityOption quality)
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{
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var health = CurrentHealth;
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health.CurrentBitrate = quality.Bitrate;
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health.FPS = quality.Fps;
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OnPropertyChanged(nameof(CurrentHealth));
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var scale = Math.Min(MasterFrameWidth / quality.Width, MasterFrameHeight / quality.Height);
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var rectW = quality.Width * scale;
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var rectH = quality.Height * scale;
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var rectX = (MasterFrameWidth - rectW) / 2;
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var rectY = (MasterFrameHeight - rectH) / 2;
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OutputRectX = rectX;
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OutputRectY = rectY;
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OutputRectWidth = rectW;
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OutputRectHeight = rectH;
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DimRects.Clear();
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if (rectX > 0) DimRects.Add(new Rect(0, 0, rectX, MasterFrameHeight));
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if (rectX + rectW < MasterFrameWidth)
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DimRects.Add(new Rect(rectX + rectW, 0, MasterFrameWidth - rectX - rectW, MasterFrameHeight));
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if (rectY > 0) DimRects.Add(new Rect(0, 0, MasterFrameWidth, rectY));
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if (rectY + rectH < MasterFrameHeight)
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DimRects.Add(new Rect(0, rectY + rectH, MasterFrameWidth, MasterFrameHeight - rectY - rectH));
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IsOutputCropped = DimRects.Count > 0;
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ResolutionBadgeText = $"{quality.Label} · {quality.Width}×{quality.Height}";
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OnPropertyChanged(nameof(OutputRectX));
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OnPropertyChanged(nameof(OutputRectY));
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OnPropertyChanged(nameof(OutputRectWidth));
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OnPropertyChanged(nameof(OutputRectHeight));
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OnPropertyChanged(nameof(IsOutputCropped));
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OnPropertyChanged(nameof(ResolutionBadgeText));
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}
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public string BugReportText
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{
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get => _bugReportText;
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set => SetProperty(ref _bugReportText, value);
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}
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public string BugReportEmail
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{
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get => _bugReportEmail;
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set => SetProperty(ref _bugReportEmail, value);
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}
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public string FeatureRequestText
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{
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get => _featureRequestText;
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set => SetProperty(ref _featureRequestText, value);
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}
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public string FeatureRequestEmail
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{
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get => _featureRequestEmail;
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set => SetProperty(ref _featureRequestEmail, value);
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}
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// Commands
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public ICommand AddSceneCommand { get; }
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public ICommand EditSceneCommand { get; }
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public ICommand RemoveSceneCommand { get; }
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public ICommand ToggleSceneVisibilityCommand { get; }
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public ICommand AddSourceCommand { get; }
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public ICommand AddImageCommand { get; }
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public ICommand RemoveSourceCommand { get; }
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public ICommand StartStreamCommand { get; }
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public ICommand EndStreamCommand { get; }
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public ICommand OpenSettingsCommand { get; }
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public ICommand OpenBugCommand { get; }
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public ICommand OpenFeatureCommand { get; }
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public ICommand OpenAboutCommand { get; }
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public ICommand CloseOverlayCommand { get; }
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public ICommand SubmitBugCommand { get; }
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public ICommand SubmitFeatureCommand { get; }
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public ICommand OpenChannelCommand { get; }
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public ICommand SaveLayoutCommand { get; }
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public ICommand SaveLayoutAsCommand { get; }
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public ICommand OpenLayoutCommand { get; }
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public MainViewModel()
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{
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AppLog.Write("MainViewModel ctor begin");
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_youtubeAuth = new YouTubeAuthService(OAuthCredentials.ClientId, OAuthCredentials.ClientSecret,
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sessionChanged: ch => TokenStore.Save(ch));
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_youtubeStream = new YouTubeStreamService(_youtubeAuth);
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_youtubeChat = new YouTubeChatService(_youtubeAuth);
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AppLog.Write("MainViewModel ctor: services created");
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_selectedQuality = QualityOptions[0];
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ApplyStreamQuality(_selectedQuality);
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_youtubeChat.MessageReceived += OnChatMessageReceived;
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_liveTimer = new DispatcherTimer { Interval = TimeSpan.FromSeconds(1) };
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_liveTimer.Tick += OnLiveTimerTick;
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_saveDebounce = new DispatcherTimer { Interval = TimeSpan.FromMilliseconds(1500) };
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_saveDebounce.Tick += (_, _) => SaveLayoutNow();
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_brandFlashTimer = new DispatcherTimer { Interval = TimeSpan.FromSeconds(300) };
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_brandFlashTimer.Tick += OnBrandFlashTimerTick;
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_brandFlashOffTimer = new DispatcherTimer { Interval = TimeSpan.FromMilliseconds(750) };
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_brandFlashOffTimer.Tick += (_, _) => { _brandFlashOffTimer.Stop(); BrandFlashActive = false; };
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Scenes.CollectionChanged += OnScenesChanged;
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AddSceneCommand = new RelayCommand(_ => AddScene());
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EditSceneCommand = new RelayCommand(scene => BeginEditScene(scene as Scene));
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RemoveSceneCommand = new RelayCommand(scene => RemoveScene(scene as Scene));
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ToggleSceneVisibilityCommand = new RelayCommand(scene => ToggleSceneVisibility(scene as Scene));
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AddSourceCommand = new RelayCommand(type => AddSource(type as string));
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AddImageCommand = new RelayCommand(_ => AddImage());
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RemoveSourceCommand = new RelayCommand(source => RemoveSource(source as Source));
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OpenSettingsCommand = new RelayCommand(_ => ShowOverlay(nameof(IsSettingsOpen), "App Settings"));
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OpenBugCommand = new RelayCommand(_ => ShowOverlay(nameof(IsBugOpen), "Report Bug"));
|
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OpenFeatureCommand = new RelayCommand(_ => ShowOverlay(nameof(IsFeatureOpen), "Feature Request"));
|
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OpenAboutCommand = new RelayCommand(_ => ShowOverlay(nameof(IsAboutOpen), "About"));
|
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CloseOverlayCommand = new RelayCommand(_ => ShowOverlay());
|
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SubmitBugCommand = new RelayCommand(_ => SubmitBug());
|
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SubmitFeatureCommand = new RelayCommand(_ => SubmitFeature());
|
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OpenChannelCommand = new RelayCommand(_ => OpenUrl(ChannelUrl));
|
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StartStreamCommand = new RelayCommand(_ => BeginGoLive());
|
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EndStreamCommand = new RelayCommand(_ => StopStream(), _ => IsLive);
|
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SaveLayoutCommand = new RelayCommand(_ => SaveLayoutNow());
|
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SaveLayoutAsCommand = new RelayCommand(_ => SaveLayoutAs());
|
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OpenLayoutCommand = new RelayCommand(_ => OpenLayoutFile());
|
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|
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_layoutStore = new LayoutStore(DefaultLayoutPath);
|
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_activeLayoutPath = _layoutStore.ActivePath;
|
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LoadLayout();
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_ = LoadSavedSessionAsync();
|
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AppLog.Write("MainViewModel ctor end");
|
||
}
|
||
|
||
// Restores the DPAPI-saved OAuth session so sign-in survives restarts.
|
||
// Best-effort: refresh a near-expiry access token; a session that can no
|
||
// longer refresh is discarded and the user signs in again.
|
||
private async Task LoadSavedSessionAsync()
|
||
{
|
||
try
|
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{
|
||
var saved = TokenStore.Load();
|
||
if (saved == null) return;
|
||
|
||
_youtubeAuth.SetSession(saved);
|
||
if (saved.TokenExpiry <= DateTime.UtcNow.AddMinutes(5))
|
||
{
|
||
var refreshed = await Task.Run(() => _youtubeAuth.RefreshToken());
|
||
if (!refreshed)
|
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{
|
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TokenStore.Clear();
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AppLog.Write("Saved session could not be refreshed; signed out");
|
||
return;
|
||
}
|
||
}
|
||
|
||
IsConnected = true;
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
AppLog.Write($"LoadSavedSessionAsync failed: {ex}");
|
||
}
|
||
}
|
||
|
||
private static string DefaultLayoutPath => Path.Combine(
|
||
Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
|
||
"ytLlive",
|
||
"ytLlive.db");
|
||
|
||
private void LoadLayout()
|
||
{
|
||
_isLoading = true;
|
||
try
|
||
{
|
||
AppLog.Write("LoadLayout begin");
|
||
var scenes = _layoutStore.Load();
|
||
Scenes.Clear();
|
||
foreach (var scene in scenes)
|
||
Scenes.Add(scene);
|
||
|
||
if (Scenes.Count == 0)
|
||
{
|
||
AddScene("Starting");
|
||
AddScene("Live");
|
||
AddScene("BRB");
|
||
AddScene("Chat", isChatScene: true);
|
||
AddScene("Ending");
|
||
}
|
||
AppLog.Write($"LoadLayout: {Scenes.Count} scenes loaded");
|
||
}
|
||
finally
|
||
{
|
||
_isLoading = false;
|
||
}
|
||
ActiveScene = Scenes.FirstOrDefault();
|
||
UpdateActiveBackground();
|
||
ScheduleSave();
|
||
AppLog.Write("LoadLayout end");
|
||
}
|
||
|
||
public void Shutdown()
|
||
{
|
||
_saveDebounce?.Stop();
|
||
SaveLayoutNow();
|
||
_layoutStore.Dispose();
|
||
}
|
||
|
||
public void SaveLayoutNow()
|
||
{
|
||
_saveDebounce?.Stop();
|
||
try
|
||
{
|
||
_layoutStore.Save(Scenes);
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
Debug.WriteLine($"Layout save failed: {ex.Message}");
|
||
}
|
||
}
|
||
|
||
private void SaveLayoutAs()
|
||
{
|
||
var dialog = new SaveFileDialog
|
||
{
|
||
Title = "Save Layout As",
|
||
Filter = "ytLlive layout (*.yll)|*.yll|All files (*.*)|*.*",
|
||
DefaultExt = ".yll",
|
||
FileName = "my-layout.yll",
|
||
};
|
||
if (dialog.ShowDialog() != true) return;
|
||
|
||
_layoutStore.Dispose();
|
||
_layoutStore = new LayoutStore(dialog.FileName);
|
||
_activeLayoutPath = dialog.FileName;
|
||
SaveLayoutNow();
|
||
}
|
||
|
||
private void OpenLayoutFile()
|
||
{
|
||
var dialog = new OpenFileDialog
|
||
{
|
||
Title = "Open Layout",
|
||
Filter = "ytLlive layout (*.yll;*.db)|*.yll;*.db|All files (*.*)|*.*",
|
||
};
|
||
if (dialog.ShowDialog() != true) return;
|
||
|
||
_layoutStore.Dispose();
|
||
_layoutStore = new LayoutStore(dialog.FileName);
|
||
_activeLayoutPath = dialog.FileName;
|
||
LoadLayout();
|
||
}
|
||
|
||
// ─── Auto-save wiring ───
|
||
private void OnScenesChanged(object? sender, NotifyCollectionChangedEventArgs e)
|
||
{
|
||
if (e.NewItems != null)
|
||
foreach (Scene scene in e.NewItems)
|
||
WireScene(scene);
|
||
if (e.OldItems != null)
|
||
foreach (Scene scene in e.OldItems)
|
||
UnwireScene(scene);
|
||
ScheduleSave();
|
||
}
|
||
|
||
private void WireScene(Scene scene)
|
||
{
|
||
scene.PropertyChanged += OnScenePropertyChanged;
|
||
scene.Sources.CollectionChanged += OnSourcesChanged;
|
||
}
|
||
|
||
private void UnwireScene(Scene scene)
|
||
{
|
||
scene.PropertyChanged -= OnScenePropertyChanged;
|
||
scene.Sources.CollectionChanged -= OnSourcesChanged;
|
||
}
|
||
|
||
private void OnScenePropertyChanged(object? sender, PropertyChangedEventArgs e)
|
||
=> ScheduleSave();
|
||
|
||
private void OnSourcesChanged(object? sender, NotifyCollectionChangedEventArgs e)
|
||
{
|
||
if (e.NewItems != null)
|
||
foreach (Source source in e.NewItems)
|
||
source.PropertyChanged += OnSourcePropertyChanged;
|
||
if (e.OldItems != null)
|
||
foreach (Source source in e.OldItems)
|
||
source.PropertyChanged -= OnSourcePropertyChanged;
|
||
ScheduleSave();
|
||
}
|
||
|
||
private void OnSourcePropertyChanged(object? sender, PropertyChangedEventArgs e)
|
||
=> ScheduleSave();
|
||
|
||
private void ScheduleSave()
|
||
{
|
||
if (_isLoading || _saveDebounce == null) return;
|
||
_saveDebounce.Stop();
|
||
_saveDebounce.Start();
|
||
}
|
||
|
||
private void AddScene(string? name = null, bool isChatScene = false)
|
||
{
|
||
var scene = new Scene { Name = name ?? $"New Scene {Scenes.Count + 1}", IsChatScene = isChatScene };
|
||
Scenes.Add(scene);
|
||
ActiveScene = scene;
|
||
}
|
||
|
||
private void BeginEditScene(Scene? scene)
|
||
{
|
||
if (scene == null) return;
|
||
scene.IsEditing = true;
|
||
}
|
||
|
||
private void ToggleSceneVisibility(Scene? scene)
|
||
{
|
||
if (scene == null) return;
|
||
scene.IsHidden = !scene.IsHidden;
|
||
if (scene.IsHidden && ActiveScene == scene)
|
||
ActiveScene = Scenes.FirstOrDefault(s => !s.IsHidden);
|
||
}
|
||
|
||
private void RemoveScene(Scene? scene)
|
||
{
|
||
if (scene == null) return;
|
||
Scenes.Remove(scene);
|
||
if (ActiveScene == scene)
|
||
ActiveScene = Scenes.FirstOrDefault();
|
||
}
|
||
|
||
private void AddSource(string? type)
|
||
{
|
||
var scene = ActiveScene;
|
||
if (scene == null) return;
|
||
|
||
var sourceType = type?.ToLowerInvariant() switch
|
||
{
|
||
"webcam" => SourceType.Webcam,
|
||
"screen" => SourceType.DisplayCapture,
|
||
"window" => SourceType.WindowCapture,
|
||
"background" => SourceType.Background,
|
||
"text" => SourceType.TextOverlay,
|
||
_ => SourceType.Image,
|
||
};
|
||
var baseName = sourceType switch
|
||
{
|
||
SourceType.Webcam => "Webcam",
|
||
SourceType.DisplayCapture => "Screen",
|
||
SourceType.WindowCapture => "Window",
|
||
SourceType.Background => "Background",
|
||
SourceType.Image => "Image",
|
||
SourceType.TextOverlay => "Text",
|
||
_ => "Source",
|
||
};
|
||
|
||
if (sourceType == SourceType.Background)
|
||
{
|
||
var bytes = PickImageBytes("Choose a backdrop image");
|
||
if (bytes == null) return;
|
||
var assetId = AddAsset(bytes);
|
||
if (assetId == null) return;
|
||
|
||
var existing = scene.Sources.FirstOrDefault(s => s.Type == SourceType.Background);
|
||
if (existing != null)
|
||
{
|
||
existing.AssetId = assetId;
|
||
UpdateActiveBackground();
|
||
return;
|
||
}
|
||
|
||
scene.Sources.Add(new Source { Name = baseName, Type = SourceType.Background, AssetId = assetId });
|
||
OnPropertyChanged(nameof(ShowEmptySceneHint));
|
||
OnPropertyChanged(nameof(ShowSourcesEmptyHint));
|
||
UpdateActiveBackground();
|
||
return;
|
||
}
|
||
|
||
var count = scene.Sources.Count(s => s.Type == sourceType);
|
||
var name = count == 0 ? baseName : $"{baseName} {count + 1}";
|
||
|
||
scene.Sources.Add(new Source { Name = name, Type = sourceType });
|
||
OnPropertyChanged(nameof(ShowEmptySceneHint));
|
||
OnPropertyChanged(nameof(ShowSourcesEmptyHint));
|
||
UpdateActiveBackground();
|
||
}
|
||
|
||
private void AddImage()
|
||
{
|
||
var scene = ActiveScene;
|
||
if (scene == null) return;
|
||
|
||
var candidates = BuildImageCandidates();
|
||
if (candidates.Count == 0)
|
||
{
|
||
var bytes = PickImageBytes("Choose an image");
|
||
if (bytes != null) AddImageSource(bytes);
|
||
return;
|
||
}
|
||
|
||
var dialog = new ReuseImageDialog(new ReuseImageViewModel(candidates))
|
||
{
|
||
Owner = Application.Current.MainWindow
|
||
};
|
||
if (dialog.ShowDialog() != true) return;
|
||
|
||
if (dialog.WantsNew)
|
||
{
|
||
var bytes = PickImageBytes("Choose an image");
|
||
if (bytes != null) AddImageSource(bytes);
|
||
}
|
||
else
|
||
{
|
||
AddReusedImage(dialog.PickedAssetId!);
|
||
}
|
||
}
|
||
|
||
private List<ReuseImageCandidate> BuildImageCandidates()
|
||
{
|
||
var candidates = new List<ReuseImageCandidate>();
|
||
foreach (var scene in Scenes)
|
||
foreach (var source in scene.Sources.Where(s => s.Type == SourceType.Image && !string.IsNullOrWhiteSpace(s.AssetId)))
|
||
{
|
||
candidates.Add(new ReuseImageCandidate
|
||
{
|
||
SceneName = scene.Name,
|
||
SourceName = source.Name,
|
||
AssetId = source.AssetId!
|
||
});
|
||
}
|
||
return candidates;
|
||
}
|
||
|
||
private static byte[]? PickImageBytes(string title)
|
||
{
|
||
var dialog = new OpenFileDialog
|
||
{
|
||
Title = title,
|
||
Filter = "Image files (*.png;*.jpg;*.jpeg;*.bmp;*.gif;*.webp)|*.png;*.jpg;*.jpeg;*.bmp;*.gif;*.webp|All files (*.*)|*.*"
|
||
};
|
||
if (dialog.ShowDialog() != true) return null;
|
||
try
|
||
{
|
||
return File.ReadAllBytes(dialog.FileName);
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
MessageBox.Show($"Couldn't read that image: {ex.Message}", "ytLlive",
|
||
MessageBoxButton.OK, MessageBoxImage.Warning);
|
||
return null;
|
||
}
|
||
}
|
||
|
||
private string? AddAsset(byte[] bytes)
|
||
{
|
||
try
|
||
{
|
||
var image = ImageCache.FromBytes(bytes);
|
||
var id = _layoutStore.UpsertAsset(bytes, image?.PixelWidth ?? 0, image?.PixelHeight ?? 0);
|
||
if (id != null && image != null) ImageCache.Put(id, image);
|
||
return id;
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
Debug.WriteLine($"Asset store failed: {ex.Message}");
|
||
return null;
|
||
}
|
||
}
|
||
|
||
private void AddImageSource(byte[] bytes)
|
||
{
|
||
if (bytes.Length == 0) return;
|
||
var assetId = AddAsset(bytes);
|
||
if (assetId != null) AddReusedImage(assetId);
|
||
}
|
||
|
||
private void AddReusedImage(string assetId)
|
||
{
|
||
var scene = ActiveScene;
|
||
if (scene == null || string.IsNullOrWhiteSpace(assetId)) return;
|
||
|
||
var count = scene.Sources.Count(s => s.Type == SourceType.Image);
|
||
var name = count == 0 ? "Image" : $"Image {count + 1}";
|
||
|
||
var source = new Source { Name = name, Type = SourceType.Image, AssetId = assetId };
|
||
|
||
var image = ImageCache.Get(assetId);
|
||
if (image != null)
|
||
{
|
||
var scale = Math.Min(640.0 / image.PixelWidth, 480.0 / image.PixelHeight);
|
||
source.Width = image.PixelWidth * scale;
|
||
source.Height = image.PixelHeight * scale;
|
||
source.X = (1920 - source.Width) / 2;
|
||
source.Y = (1080 - source.Height) / 2;
|
||
}
|
||
|
||
scene.Sources.Add(source);
|
||
SelectedSource = source;
|
||
OnPropertyChanged(nameof(ShowEmptySceneHint));
|
||
OnPropertyChanged(nameof(ShowSourcesEmptyHint));
|
||
UpdateActiveBackground();
|
||
}
|
||
|
||
private void RemoveSource(Source? source)
|
||
{
|
||
var scene = ActiveScene;
|
||
if (scene == null || source == null) return;
|
||
scene.Sources.Remove(source);
|
||
OnPropertyChanged(nameof(ShowEmptySceneHint));
|
||
OnPropertyChanged(nameof(ShowSourcesEmptyHint));
|
||
UpdateActiveBackground();
|
||
}
|
||
|
||
private void SetPanel(ref bool field, bool value, [System.Runtime.CompilerServices.CallerMemberName] string? propertyName = null)
|
||
{
|
||
if (SetProperty(ref field, value, propertyName))
|
||
OnPropertyChanged(nameof(IsAnyOverlayOpen));
|
||
}
|
||
|
||
private void ShowOverlay(string? panel = null, string title = "")
|
||
{
|
||
IsSettingsOpen = panel == nameof(IsSettingsOpen);
|
||
IsBugOpen = panel == nameof(IsBugOpen);
|
||
IsFeatureOpen = panel == nameof(IsFeatureOpen);
|
||
IsAboutOpen = panel == nameof(IsAboutOpen);
|
||
OverlayTitle = title;
|
||
}
|
||
|
||
private void SubmitBug()
|
||
{
|
||
var body = string.Join(Environment.NewLine,
|
||
BugReportText.Trim(),
|
||
string.Empty,
|
||
$"ytLlive {AppVersionLabel}",
|
||
string.IsNullOrWhiteSpace(BugReportEmail) ? string.Empty : $"Reply-to: {BugReportEmail.Trim()}");
|
||
ComposeEmail("[ytLlive Bug Report]", body);
|
||
ShowOverlay();
|
||
}
|
||
|
||
private void SubmitFeature()
|
||
{
|
||
var body = string.Join(Environment.NewLine,
|
||
FeatureRequestText.Trim(),
|
||
string.Empty,
|
||
$"ytLlive {AppVersionLabel}",
|
||
string.IsNullOrWhiteSpace(FeatureRequestEmail) ? string.Empty : $"Reply-to: {FeatureRequestEmail.Trim()}");
|
||
ComposeEmail("[ytLlive Feature Request]", body);
|
||
ShowOverlay();
|
||
}
|
||
|
||
private static void ComposeEmail(string subject, string body)
|
||
{
|
||
var uri = $"mailto:{SupportEmail}?subject={Uri.EscapeDataString(subject)}&body={Uri.EscapeDataString(body)}";
|
||
OpenUrl(uri);
|
||
}
|
||
|
||
private static void OpenUrl(string url)
|
||
{
|
||
Process.Start(new ProcessStartInfo(url) { UseShellExecute = true });
|
||
}
|
||
|
||
// Runs the OAuth flow (browser + loopback callback) on a background thread.
|
||
// The resulting channel is returned to the caller and persisted via the
|
||
// auth service's sessionChanged hook.
|
||
private async Task<YouTubeChannel?> SignInAsync()
|
||
{
|
||
try
|
||
{
|
||
var channel = await Task.Run(() => _youtubeAuth.AuthenticateAsync());
|
||
if (channel == null)
|
||
{
|
||
MessageBox.Show("Sign-in was unsuccessful. Please try again.", "ytLlive",
|
||
MessageBoxButton.OK, MessageBoxImage.Warning);
|
||
return null;
|
||
}
|
||
|
||
IsConnected = true;
|
||
return channel;
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
MessageBox.Show($"Sign-in failed: {ex.Message}", "ytLlive",
|
||
MessageBoxButton.OK, MessageBoxImage.Error);
|
||
return null;
|
||
}
|
||
}
|
||
|
||
private void OnChatMessageReceived(ChatMessage message)
|
||
{
|
||
System.Windows.Application.Current.Dispatcher.Invoke(() =>
|
||
{
|
||
ChatMessages.Add(message);
|
||
if (ChatMessages.Count > 500)
|
||
ChatMessages.RemoveAt(0);
|
||
});
|
||
}
|
||
|
||
private void BeginGoLive()
|
||
{
|
||
var dialog = new GoLiveViewModel(() => SignInAsync(), _youtubeAuth.CurrentChannel)
|
||
{
|
||
StreamTitle = DefaultStreamTitle,
|
||
StreamDescription = DefaultStreamDescription,
|
||
Visibility = DefaultStreamVisibility,
|
||
};
|
||
var window = new ytLive.GoLiveWindow(dialog) { Owner = System.Windows.Application.Current.MainWindow };
|
||
if (window.ShowDialog() == true)
|
||
{
|
||
StreamTitle = dialog.StreamTitle;
|
||
StreamDescription = dialog.StreamDescription;
|
||
StreamVisibility = dialog.Visibility;
|
||
WindowTitle = string.IsNullOrWhiteSpace(dialog.StreamTitle)
|
||
? "ytLlive"
|
||
: $"{dialog.StreamTitle} — ytLlive";
|
||
StreamStatus = StreamStatus.Streaming;
|
||
}
|
||
}
|
||
|
||
private void StopStream()
|
||
{
|
||
StreamStatus = StreamStatus.Offline;
|
||
WindowTitle = "ytLlive";
|
||
// Graceful end completes the session = signs out (the DPAPI token is
|
||
// cleared so the next Start Stream requires a fresh sign-in). A crash
|
||
// never runs this, so the token survives and the creator stays signed in.
|
||
_youtubeAuth.ClearSession();
|
||
TokenStore.Clear();
|
||
IsConnected = false;
|
||
AppLog.Write("Stream ended; session signed out");
|
||
}
|
||
|
||
private void UpdateLiveVisuals()
|
||
{
|
||
var live = IsLive;
|
||
TopBarBackground = live ? "#e94560" : "#16213e";
|
||
PreviewGlowBrush = live ? "#e94560" : "Transparent";
|
||
PreviewGlowThickness = live ? new Thickness(3) : new Thickness(0);
|
||
|
||
if (live)
|
||
{
|
||
_liveElapsed = TimeSpan.Zero;
|
||
LiveElapsedText = "00:00:00";
|
||
LivePulseOpacity = 1.0;
|
||
_liveTimer.Start();
|
||
if (BrandFlashEnabled) StartBrandFlashTimer();
|
||
}
|
||
else
|
||
{
|
||
_liveTimer.Stop();
|
||
_brandFlashTimer.Stop();
|
||
_brandFlashOffTimer.Stop();
|
||
BrandFlashActive = false;
|
||
LiveElapsedText = "00:00:00";
|
||
LivePulseOpacity = 1.0;
|
||
}
|
||
}
|
||
|
||
// First flash shortly after go-live, then every 300s (the cadence resets on
|
||
// the first tick so the interval is 5s only for that one shot).
|
||
private void StartBrandFlashTimer()
|
||
{
|
||
_brandFlashTimer.Stop();
|
||
_brandFlashTimer.Interval = TimeSpan.FromSeconds(5);
|
||
_brandFlashTimer.Start();
|
||
}
|
||
|
||
private void OnBrandFlashTimerTick(object? sender, EventArgs e)
|
||
{
|
||
_brandFlashTimer.Stop();
|
||
_brandFlashTimer.Interval = TimeSpan.FromSeconds(300);
|
||
_brandFlashTimer.Start();
|
||
ShowBrandFlash();
|
||
}
|
||
|
||
private void ShowBrandFlash()
|
||
{
|
||
if (!IsLive || !BrandFlashEnabled) return;
|
||
BrandFlashActive = true;
|
||
_brandFlashOffTimer.Stop();
|
||
_brandFlashOffTimer.Start();
|
||
}
|
||
|
||
private void OnLiveTimerTick(object? sender, EventArgs e)
|
||
{
|
||
_liveElapsed = _liveElapsed.Add(TimeSpan.FromSeconds(1));
|
||
LiveElapsedText = _liveElapsed.ToString(@"hh\:mm\:ss");
|
||
LivePulseOpacity = LivePulseOpacity > 0.5 ? 0.35 : 1.0;
|
||
}
|
||
}
|