gramps
90f5ad50dd
TopBar.xaml(.cs) takes the Row 0 top controls: logo/About button, REC/ON-AIR pills + status signs, avatar, Sign In/Start/End buttons. The avatar fetch (AvatarHttp/_loadedAvatarUrl/LoadAvatarImage/ShowAvatarFallback) moved into the control with async semantics preserved; the window grabs the control via FindName in its ctor and calls _topBar.RefreshAvatar() when IsConnected or AccountAvatarUrl changes (previously OnViewModelPropertyChanged -> LoadAvatarImage). AccountLight is pure binding (never touched by code-behind) so it moved with the XAML. Zero behavior change; build 0 warnings; 246 pass, only the 2 known failures. Also dropped the now-unused System.IO using from MainWindow.xaml.cs. Docs: ViewModels/index.md Phase 2 tracker updated in the same commit.
72 lines
2.2 KiB
C#
72 lines
2.2 KiB
C#
using System;
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using System.IO;
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using System.Net.Http;
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using System.Windows.Controls;
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using System.Windows.Media.Imaging;
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using ytLive.Helpers;
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using ytLive.ViewModels;
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namespace ytLive.Controls;
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public partial class TopBar : UserControl
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{
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private static readonly HttpClient AvatarHttp = new() { Timeout = TimeSpan.FromSeconds(15) };
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private string? _loadedAvatarUrl;
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public TopBar()
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{
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InitializeComponent();
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AvatarImage.Source = null;
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AvatarInitial.Visibility = System.Windows.Visibility.Collapsed;
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}
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public void RefreshAvatar()
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{
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_ = LoadAvatarImageAsync();
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}
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private async System.Threading.Tasks.Task LoadAvatarImageAsync()
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{
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var vm = DataContext as MainViewModel;
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var url = vm?.AccountAvatarUrl;
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if (vm is not { IsConnected: true })
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{
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ShowAvatarFallback(null);
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return;
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}
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if (string.IsNullOrWhiteSpace(url))
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{
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AppLog.Write("Avatar: connected but no profile image URL on the session");
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ShowAvatarFallback(null);
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return;
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}
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if (url == _loadedAvatarUrl && AvatarImage.Source != null) return;
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try
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{
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var bytes = await AvatarHttp.GetByteArrayAsync(url);
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using var ms = new MemoryStream(bytes);
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var bitmap = new BitmapImage();
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bitmap.BeginInit();
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bitmap.CacheOption = BitmapCacheOption.OnLoad;
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bitmap.StreamSource = ms;
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bitmap.EndInit();
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bitmap.Freeze();
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_loadedAvatarUrl = url;
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AvatarImage.Source = bitmap;
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AvatarInitial.Visibility = System.Windows.Visibility.Collapsed;
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}
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catch (Exception ex)
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{
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AppLog.Write($"Avatar load failed ({url}): {ex.Message}");
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ShowAvatarFallback(vm?.AccountDisplayName);
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}
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}
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private void ShowAvatarFallback(string? name)
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{
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_loadedAvatarUrl = null;
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AvatarImage.Source = null;
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AvatarInitial.Text = string.IsNullOrWhiteSpace(name) ? "?" : name.Substring(0, 1).ToUpperInvariant();
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AvatarInitial.Visibility = System.Windows.Visibility.Visible;
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}
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} |