/usr/share/pyshared/quodlibet/qltk/songmodel.py is in exfalso 3.0.2-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation
from gi.repository import Gtk, GObject
from quodlibet.qltk.playorder import ORDERS
def check_sourced(func):
# Validate sourced flags after each action that could lead to a changed
# iter (only ones triggerd by the order, no iter removal!)
def wrap(self, *args, **kwargs):
res = func(self, *args, **kwargs)
if self.q.current is not None:
self.q.sourced = True
self.pl.sourced = False
else:
self.q.sourced = False
self.pl.sourced = True
return res
return wrap
class PlaylistMux(object):
def __init__(self, player, q, pl):
self.q = q
self.pl = pl
player.connect('song-started', self.__check_q)
def __check_q(self, player, song):
if song is not None:
iter = self.q.find(song)
if iter:
self.q.remove(iter)
self.q.reset()
def get_current(self):
if self.q.current is not None:
return self.q.current
else:
return self.pl.current
current = property(get_current)
@check_sourced
def next(self):
if self.q.is_empty():
self.pl.next()
elif self.q.current is None:
self.q.next()
@check_sourced
def next_ended(self):
if self.q.is_empty():
self.pl.next_ended()
elif self.q.current is None:
self.q.next()
@check_sourced
def previous(self):
self.pl.previous()
@check_sourced
def go_to(self, song, explicit=False):
print_d("Told to go to %r" % getattr(song, "key", song))
self.q.go_to(None)
return self.pl.go_to(song, explicit)
@check_sourced
def reset(self):
self.q.go_to(None)
self.pl.reset()
def enqueue(self, songs):
for song in songs:
self.q.append(row=[song])
def unqueue(self, songs):
map(self.q.remove, filter(None, map(self.q.find, songs)))
class TrackCurrentModel(Gtk.ListStore):
__iter = None
__old_value = None
def set(self, songs):
print_d("Clearing model.")
self.clear()
self.__iter = None
oldsong = self.__old_value
print_d("Setting %d songs." % len(songs))
no_autoconv = (long, float, int, basestring, bool, GObject.Object)
if not songs or songs[0] is None or isinstance(songs[0], no_autoconv):
for song in reversed(songs):
iter_ = self.insert(0, row=[song])
if song is oldsong:
self.__iter = iter_
else:
insert = self.insert_with_valuesv
columns = [0]
for song in reversed(songs):
iter_ = insert(0, columns, [song])
if song is oldsong:
self.__iter = iter_
print_d("Done filling model.")
def remove(self, iter_):
if self.__iter and self[iter_].path == self[self.__iter].path:
self.__iter = None
super(TrackCurrentModel, self).remove(iter_)
def clear(self):
self.__iter = None
super(TrackCurrentModel, self).clear()
def get(self):
songs = []
def func(model, path, iter_, user_data):
songs.append(model.get_value(iter_, 0))
self.foreach(func, None)
return songs
@property
def current(self):
return self.__iter and self.get_value(self.__iter, 0)
@property
def current_path(self):
return self.__iter and self.get_path(self.__iter)
def __set_current_iter(self, iter_):
if iter_ == self.__iter:
return
# emit a row-changed for the previous and the new iter after it is set
# so that the currentcolumn icon gets updated on song changes
for it in filter(None, (self.__iter, iter_)):
self.row_changed(self.get_path(it), it)
self.__iter = iter_
self.__old_value = self.current
def __get_current_iter(self):
return self.__iter
current_iter = property(__get_current_iter, __set_current_iter)
def find(self, song):
for row in self:
if row[0] == song:
return row.iter
return None
def find_all(self, songs):
return [row.iter for row in self if row[0] in songs]
def __contains__(self, song):
return bool(self.find(song))
def is_empty(self):
return not len(self)
class PlaylistModel(TrackCurrentModel):
order = None
repeat = False
sourced = False
def __init__(self):
super(PlaylistModel, self).__init__(object)
self.order = ORDERS[0](self)
# The playorder plugins use paths atm to remember songs so
# we need to reset them if the paths change somehow.
self.__sigs = []
for sig in ['row-deleted', 'row-inserted', 'rows-reordered']:
s = self.connect(sig, lambda pl, *x: self.order.reset(pl))
self.__sigs.append(s)
def next(self):
iter_ = self.current_iter
self.current_iter = self.order.next_explicit(self, iter_)
def next_ended(self):
iter_ = self.current_iter
self.current_iter = self.order.next_implicit(self, iter_)
def previous(self):
iter_ = self.current_iter
self.current_iter = self.order.previous_explicit(self, iter_)
def go_to(self, song, explicit=False):
print_d("Told to go to %r" % getattr(song, "key", song))
iter_ = None
if isinstance(song, Gtk.TreeIter):
iter_ = song
elif song is not None:
iter_ = self.find(song)
if explicit:
self.current_iter = self.order.set_explicit(self, iter_)
else:
self.current_iter = self.order.set_implicit(self, iter_)
return self.current_iter
def set(self, songs):
self.order.reset(self)
map(self.handler_block, self.__sigs)
super(PlaylistModel, self).set(songs)
map(self.handler_unblock, self.__sigs)
def reset(self):
self.go_to(None)
self.order.reset(self)
if not self.is_empty():
self.next()
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