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Reflect real playback state on gallery cards and toggle pause/resume

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Add IsPaused/OnPause to TrackCard, make TracksGallery controlled, and
drive the active track from PlayerService.CurrentTrack as the single
source of truth.
This commit is contained in:
daniel-c-harvey
2026-06-06 09:51:31 -04:00
parent d055c2a548
commit 766e98fd2b
5 changed files with 54 additions and 40 deletions
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DeepDrftPublic.Client/Pages/TracksView.razor.cs
+17 -23
View File
@@ -14,7 +14,6 @@ public partial class TracksView : ComponentBase, IDisposable
[Inject] public required PersistentComponentState PersistentState { get; set; }
[CascadingParameter] public required IStreamingPlayerService PlayerService { get; set; }
private TrackDto? _selectedTrack = null;
private IStreamingPlayerService? _subscribedService;
private PersistingComponentStateSubscription _persistingSubscription;
@@ -41,11 +40,11 @@ public partial class TracksView : ComponentBase, IDisposable
protected override void OnParametersSet()
{
// The Stop/Close buttons on the player bar reset the player directly,
// bypassing PlayTrack — so the gallery's selection must follow player
// state rather than only its own clicks. Subscribe to the multicast
// side-channel (the cascade is IsFixed, so provider re-renders don't
// reach us) and clear the highlight when nothing is loaded.
// The gallery's per-card icons read off the player's live state (CurrentTrack /
// IsPlaying / IsPaused), which mutates outside this component's render path:
// the player bar's play/pause/stop/close all change it directly. The cascade is
// IsFixed, so the provider's re-render never reaches us — subscribe to the
// multicast side-channel and re-render on every state change.
if (PlayerService != null && !ReferenceEquals(PlayerService, _subscribedService))
{
if (_subscribedService != null)
@@ -56,17 +55,7 @@ public partial class TracksView : ComponentBase, IDisposable
}
}
private void OnPlayerStateChanged()
{
// Sync the gallery selection to the player. When the player is no longer
// loaded (stopped/closed/ended) drop the highlight; guard against a
// redundant re-render when nothing actually changed.
if (!PlayerService.IsLoaded && _selectedTrack != null)
{
_selectedTrack = null;
InvokeAsync(StateHasChanged);
}
}
private void OnPlayerStateChanged() => InvokeAsync(StateHasChanged);
private Task PersistTracks()
{
@@ -88,20 +77,25 @@ public partial class TracksView : ComponentBase, IDisposable
}
}
private async Task PlayTrack(TrackDto? track)
private async Task PlayTrack(TrackDto track)
{
if (track == null && _selectedTrack == null || track?.Id == _selectedTrack?.Id) return;
if (track is null)
// Resume the current track if it's merely paused; otherwise stream the new selection.
if (PlayerService.CurrentTrack?.Id == track.Id && PlayerService.IsPaused)
{
await PlayerService.Unload();
await PlayerService.TogglePlayPause();
}
else
{
await PlayerService.SelectTrack(track);
}
}
_selectedTrack = track;
private async Task PauseTrack(TrackDto track)
{
if (PlayerService.CurrentTrack?.Id == track.Id && PlayerService.IsPlaying)
{
await PlayerService.TogglePlayPause();
}
}
public void Dispose()