+++ /dev/null
-
-class Seeker(object):
- """This class implements a pointer for ZukeBox playlist
- A seeker response to a request about the current position, next
- or previous.
- """
- def __init__(self, playlist):
- if playlist is not None:
- self.playlist = playlist
- # the first time the previous position is the current
- self.current = playlist.current
- self.previous = self.current
- self.next = None
-
- def get_next_pos(self):
- next = self.current + 1
- self.next = next
-
- def get_previous_pos(self):
- prev = self.previous
- if prev != 0:
- prev = prev - 1
- self.previous = prev
-
- def get_next(self):
- self.get_next_pos()
- return self.playlist.pop(self.next)
-
- def get_prev(self):
- self.get_previous_pos()
- return self.playlist.pop(self.previous)
-