def _actual_search(self, needle, start, end, step, cb):
playlist = self.playlist
xc = self.xc
search_fields = get_config("search_fields")
cur = start
first = True
# TODO: this loop is ugly
while True:
# the end?
if cur == start and not first:
# we cycled through
cb(False)
return
# not the first anymore?
first = False
# check the playlist item
item = playlist[cur]
meta = item.meta
if meta != None:
# let's compare
for key in search_fields:
if key in meta:
value = meta[key]
if isinstance(value, basestring) and needle.search(value):
# found one
self._focus = cur
self.modified()
update()
cb(True)
return
else:
# we have to request the meta information
def request_cb(meta):
self._actual_search(needle, cur, end, step, cb)
item.request(xc, request_cb)
# prefetch next items
pre = cur
for i in range(self.PRE_CACHING):
pre = step(pre)
if pre != None:
playlist[pre].request(xc, None)
else:
break
# the callback of the request will continue our work
return
cur = step(cur)
def _update(self, meta):
if meta:
rm = reduce_meta(meta)
else:
rm = {}
if 'title' in rm:
if 'tracknr' in rm:
# use title and track number
title = "%i. %s" % (rm['tracknr'], rm['title'])
else:
# use the title only
title = rm['title']
else:
if 'url' in rm:
# fall back to the url
url = rm['url']
title = url[url.rfind('/')+1:]
elif rm == {}:
# nothing loaded
title = ""
else:
# tag your library :P
title = "Unknown"
album = rm['album'] if 'album' in rm else ""
artist = rm['artist'] if 'artist' in rm else ""
self.title.set_text(title)
self.album.set_text(album)
self.artist.set_text(artist)
self.bar.set_done(rm['duration'] if 'duration' in rm else 0)
update()
def _progress(self, progress):
# handle the progress
self.bar.set_completion(progress)
update()
# request next signal later
deferred_call(0.25, self.request_playtime_signal)
# don't get next signal immediately
return False
def modified(self):
self._modified()
update()
def withdraw(self, old_id):
if old_id == self.msg_id:
self.set_edit_text("")
update()
def flash(self, msg):
self.msg_id += 1
deferred_call(2, self.withdraw, self.msg_id)
self.set_edit_text(msg)
update()
