/// <summary>
/// Asynchronously returns a list of all pictures in the specified album
/// </summary>
/// <param name="albumName">The name of the album</param>
/// <param name="path">The path of the album</param>
/// <returns>A list of all pictures in the specified album</returns>
/// <remarks>The path parameter is not actually used in this Windows Phone implementation
/// since the MediaLibrary API does not support picture or album retrieval with a path. Instead, we must walk
/// the library looking for the album with the given albumName and then grab all the pictures in that album.</remarks>
public Task<List<PictureViewModel>> GetPicturesAsync(string albumName, string path)
{
return Task.Run(delegate
{
List<PictureViewModel> result = new List<PictureViewModel>();
MediaLibrary mediaLib = new MediaLibrary();
// Find the album
foreach (var album in mediaLib.RootPictureAlbum.Albums)
{
// Because the photo library API on Windows Phone doesn't expose the concept of "path",
// we iterate and find the album based on the name.
if (album.Name == albumName)
{
foreach (var pic in album.Pictures)
{
PictureViewModel pvm = new PictureViewModel(App.PictureService, albumName, pic.Name,String.Format("{0}|{1}",albumName, pic.Name),pic.Width, pic.Height);
result.Add(pvm);
}
Debug.WriteLine("{0} pictures in {1}", result.Count(), albumName);
break;
}
}
return result;
});
}
public async Task<List<PictureViewModel>> GetPicturesAsync(string albumName, string path)
{
List<PictureViewModel> result = new List<PictureViewModel>();
StorageFolder folder;
if (String.IsNullOrEmpty(path))
folder = KnownFolders.PicturesLibrary;
else
folder = await StorageFolder.GetFolderFromPathAsync(path);
var files = await folder.GetFilesAsync();
foreach (var file in files)
{
var properties = await file.Properties.GetImagePropertiesAsync();
PictureViewModel pvm = new PictureViewModel(App.PictureService,albumName, file.DisplayName, file.Path, (int)properties.Height, (int)properties.Width);
result.Add(pvm);
}
return result;
}
