|
private DownloadVideoAsync ( Business.DownloadItem downloadInfo, Business.DownloadItem fileInfo, EventHandler |
||
| downloadInfo | Business.DownloadItem | |
| fileInfo | Business.DownloadItem | |
| callback | EventHandler |
|
| Результат | Task | |
/// <summary>
/// Prepares for playing the next video.
/// </summary>
/// <param name="queuePos">The video position to select. 0 for current, 1 for next.</param>
/// <param name="attempts">The number of attemps already made, to avoid infinite loop.</param>
/// <returns>Whether the file is downloading.</returns>
private async Task <bool> PrepareNextVideoAsync(int queuePos, int attempts)
{
bool FileExists = false;
if (nextVideo != null)
{
FileExists = File.Exists(Settings.NaturalGroundingFolder + nextVideo.FileName);
}
if (!FileExists)
{
// If file doesn't exist and can't be downloaded, select another one.
if (!Settings.SavedFile.AutoDownload || nextVideo == null || nextVideo.DownloadUrl.Length == 0)
{
await SelectNextVideoAsync(queuePos, false, attempts + 1).ConfigureAwait(false);
}
// If file doesn't exist and can be downloaded, download it.
else if (nextVideo != null && nextVideo.DownloadUrl.Length > 0)
{
Application.Current.Dispatcher.Invoke(() => PlaylistChanged?.Invoke(this, new EventArgs()));
await downloadManager.DownloadVideoAsync(nextVideo, queuePos, Download_Complete).ConfigureAwait(false);
return(true);
}
}
return(false);
}
private async Task DownloadFile(VideoListItem item, DownloadAction action)
{
if (Manager != null && item != null && item.MediaId != null)
{
Media ItemData = PlayerAccess.GetVideoById(item.MediaId.Value);
if (ItemData != null)
{
SetStatus(item, VideoListItemStatusEnum.Downloading, null);
await Manager.DownloadVideoAsync(ItemData, -1,
(sender, e) => {
SetStatus(item, e.DownloadInfo.IsCompleted ? VideoListItemStatusEnum.Done : VideoListItemStatusEnum.Failed);
}, action, null);
}
}
}
