public SongCachingChangeEvent(
SongCachingChangeEventType eventType,
INetworkRandomAccessStream stream,
Song song)
: base(eventType)
{
this.Stream = stream;
this.Song = song;
}
private void UpdateIfSongCached(Song song, SongCachingChangeEventType eventType)
{
if (song != null && this.Songs != null)
{
var songBindingModel = this.Songs.FirstOrDefault(s => string.Equals(s.Metadata.ProviderSongId, song.ProviderSongId, StringComparison.Ordinal));
if (songBindingModel != null)
{
songBindingModel.IsCached = eventType == SongCachingChangeEventType.FinishDownloading;
}
}
}
private async void OnCachingEvent(SongCachingChangeEventType eventType)
{
switch (eventType)
{
case SongCachingChangeEventType.StartDownloading:
{
this.isDownloading = true;
await this.Dispatcher.RunAsync(() =>
{
this.BindingModel.ShowProgressRing = true;
this.BindingModel.MessageText = "Downloading songs to local cache...";
});
break;
}
case SongCachingChangeEventType.FailedToDownload:
{
this.isDownloading = false;
await this.Dispatcher.RunAsync(() =>
{
this.BindingModel.ShowProgressRing = false;
this.BindingModel.MessageText = "Error happened on download songs to local cache...";
this.UpdateLibraryCommand.RaiseCanExecuteChanged();
});
break;
}
case SongCachingChangeEventType.ClearCache:
case SongCachingChangeEventType.FinishDownloading:
case SongCachingChangeEventType.DownloadCanceled:
{
this.isDownloading = false;
await this.Dispatcher.RunAsync(() =>
{
this.BindingModel.ShowProgressRing = false;
this.SetOfflineMessageIfRequired();
this.UpdateLibraryCommand.RaiseCanExecuteChanged();
});
break;
}
}
}
public CachingChangeEvent(SongCachingChangeEventType eventType)
{
this.EventType = eventType;
}
