internal Album(MtpDevice device, AlbumStruct album) : base(device, album.tracks, album.no_tracks)
{
// Once we've loaded the tracks, set the TracksPtr to NULL as it
// will be freed when the Album constructor is finished.
this.album = album;
TracksPtr = IntPtr.Zero;
}
internal Album(MtpDevice device, AlbumStruct album)
: base(device, album.tracks, album.no_tracks)
{
// Once we've loaded the tracks, set the TracksPtr to NULL as it
// will be freed when the Album constructor is finished.
this.album = album;
TracksPtr = IntPtr.Zero;
}
public List <Album> GetAlbums()
{
List <Album> albums = new List <Album> ();
IntPtr ptr = Album.LIBMTP_Get_Album_List(Handle);
while (ptr != IntPtr.Zero)
{
AlbumStruct d = (AlbumStruct)Marshal.PtrToStructure(ptr, typeof(AlbumStruct));
albums.Add(new Album(this, d));
ptr = d.next;
}
return(albums);
}
internal static List <Album> GetAlbums(MtpDevice device)
{
List <Album> albums = new List <Album> ();
IntPtr ptr = LIBMTP_Get_Album_List(device.Handle);
while (ptr != IntPtr.Zero)
{
// Destroy the struct *after* we use it to ensure we don't access freed memory
// for the 'tracks' variable
AlbumStruct d = (AlbumStruct)Marshal.PtrToStructure(ptr, typeof(AlbumStruct));
albums.Add(new Album(device, d));
LIBMTP_destroy_album_t(ptr);
ptr = d.next;
}
return(albums);
}
public static Album GetById(MtpDevice device, uint id)
{
IntPtr ptr = Album.LIBMTP_Get_Album(device.Handle, id);
if (ptr == IntPtr.Zero)
{
return(null);
}
else
{
// Destroy the struct after we use it to prevent accessing freed memory
// in the 'tracks' variable
AlbumStruct album = (AlbumStruct)Marshal.PtrToStructure(ptr, typeof(AlbumStruct));
var ret = new Album(device, album);
LIBMTP_destroy_album_t(ptr);
return(ret);
}
}
static extern int LIBMTP_Update_Album(MtpDeviceHandle handle, ref AlbumStruct album);
internal static extern int LIBMTP_Create_New_Album(MtpDeviceHandle handle, ref AlbumStruct album);
static extern int LIBMTP_Update_Album (MtpDeviceHandle handle, ref AlbumStruct album);
internal static extern int LIBMTP_Create_New_Album (MtpDeviceHandle handle, ref AlbumStruct album, uint parentId);
internal Album(MtpDevice device, AlbumStruct album) : base(device, album.tracks, album.no_tracks)
{
this.album = album;
}
internal static extern void LIBMTP_destroy_album_t(ref AlbumStruct album);
internal Album (MtpDevice device, AlbumStruct album) : base (device, album.tracks, album.no_tracks)
{
this.album = album;
}
