public async Task InitializeAsync()
{
var settingsLoader = new SettingsLoader();
VideosPerPage = int.Parse((await settingsLoader.GetSettingAsync(Setting.MAXVIDEOSPERPAGE))?.Value ?? "50");
ThumpnailSize = int.Parse((await settingsLoader.GetSettingAsync(Setting.THUMPNAILSIZE))?.Value ?? "320");
var videos = await _VideoProvider.GetVideos();
videos = videos.OrderBy(x => x.Artist.Name).ThenBy(x => x.Name).ToList();
foreach (var video in videos)
{
var vidVM = new VideoViewModel(video);
Videos.Add(vidVM);
}
FilteredVideos = Videos.ToList();
// Add all videos to CurrentPageVideos, page filtering is done via SourceCollectionView.Filter
foreach (var video in Videos)
{
CurrentPageVideos.Add(video);
}
VideoCollectionView.MoveCurrentToFirst();
MaxPage = Videos.Count / VideosPerPage;
GroupAfterArtist(null);
foreach (var video in Videos)
{
video.ThumbailBitmap = await video.GetThumbnailBitmap().ConfigureAwait(false);
}
}
private void SetCurrentPage()
{
// Depends on beeing sorted
var page = FilteredVideos.Skip(VideosPerPage * CurrentPage).Take(VideosPerPage);
foreach (var video in page.Where(x => !CurrentPageVideos.Contains(x)).ToArray())
{
CurrentPageVideos.Add(video);
}
VideoCollectionView.Filter = x => page.Contains(x);
if (!CurrentPageVideos.Contains(SelectedVideo))
{
VideoCollectionView.MoveCurrentToFirst();
RequestScrollToFirstItem?.Invoke(this, null);
}
MaxPage = FilteredVideos.Count / VideosPerPage;
if (CurrentPage > MaxPage)
{
CurrentPage = MaxPage;
}
}
private void NextVideo(object obj)
{
if (obj is int tabIndex && tabIndex != 0)
{
return;
}
VideoCollectionView.MoveCurrentToNext();
if (VideoCollectionView.IsCurrentAfterLast)
{
VideoCollectionView.MoveCurrentToFirst();
}
}
private void PreviousVideo(object obj)
{
if (obj is int tabIndex && tabIndex != 0)
{
return;
}
VideoCollectionView.MoveCurrentToPrevious();
if (VideoCollectionView.IsCurrentBeforeFirst)
{
VideoCollectionView.MoveCurrentToLast();
}
}
public VideoDataSource(VideoCollectionView controller)
{
// Initialize
this.ViewController = controller;
PopulateVideos();
}
