public void SendSong(Song song, string path)
{
IntPtr path_ptr = Utility.Utf8StringToPtr(path);
try {
uint trackid;
if(NJB_Send_Track(Handle, path_ptr, song.Handle,
delegate(ulong sent, ulong total, IntPtr buf, uint len, IntPtr data) {
if(ProgressChanged != null) {
TransferProgressArgs args = new TransferProgressArgs();
args.Current = sent;
args.Total = total;
args.Song = song;
ProgressChanged(this, args);
}
}, IntPtr.Zero, out trackid) == -1) {
throw new ApplicationException("Could not transfer song");
}
} finally {
Utility.FreeStringPtr(path_ptr);
}
}
public void ReadSong(Song song, string path)
{
UnixStream stream = (new UnixFileInfo(path)).Open(FileMode.Create, FileAccess.ReadWrite,
Mono.Unix.Native.FilePermissions.S_IWUSR |
Mono.Unix.Native.FilePermissions.S_IRUSR |
Mono.Unix.Native.FilePermissions.S_IRGRP |
Mono.Unix.Native.FilePermissions.S_IROTH);
if(NJB_Get_Track_fd(Handle, (uint)song.Id, song.FileSize,
stream.Handle, delegate(ulong sent, ulong total, IntPtr buf, uint len, IntPtr data) {
if(ProgressChanged != null) {
TransferProgressArgs args = new TransferProgressArgs();
args.Current = sent;
args.Total = total;
args.Song = song;
ProgressChanged(this, args);
}
}, IntPtr.Zero) == -1) {
stream.Close();
throw new ApplicationException("Error reading song");
}
stream.Close();
}
public void DeleteSong(Song song)
{
if(NJB_Delete_Track(Handle, (uint)song.Id) == -1) {
throw new ApplicationException("Could not delete song " + song.Id);
}
}
public Song GetSong(uint id)
{
IntPtr songPtr = IntPtr.Zero;
NJB_Reset_Get_Track_Tag(Handle);
while((songPtr = NJB_Get_Track_Tag(Handle)) != IntPtr.Zero) {
Song song = new Song(songPtr, this);
if(song.Id == id) {
return song;
}
}
return null;
}
public static SongFrame Find(Song song, string label)
{
IntPtr ptr = NJB_Songid_Findframe(song.Handle, Utility.Utf8StringToPtr(label));
if(ptr == IntPtr.Zero) {
return null;
}
return new SongFrame(ptr);
}
