def start (self):
if self.preferences.drive.get_media_type () == nautilus_burn.MEDIA_TYPE_CDRW:
gtk_util.dialog_warn ("CD-RW disk will be erased",
"Please remove your disk if you want to preserve it's contents.",
self.__parent)
self.__blocked = False
self.preferences.pool.temporary_dir = self.preferences.temporary_dir
oper = FetchMusicList(self.__music_list, self.preferences.pool)
self.__fetching = oper
self.__queue.append (oper)
oper = RecordMusicList (self.__music_list, self.preferences)
oper.recorder.connect ('progress-changed', self.__tick)
oper.recorder.connect ('action-changed', self.__on_action_changed)
self.__queue.append (oper)
self.__recording = oper
self.__queue.start ()
self.__source = gobject.timeout_add (200, self.__tick)
if self.__prog.run () == gtk.RESPONSE_CANCEL and self.__queue.can_stop:
# Disable the cancel button to make sure user
# doesn't click it twice
self.__prog.set_response_sensitive (gtk.RESPONSE_CANCEL, False)
self.__queue.stop ()
def __init__ (self, data_dir):
gtk.Window.__init__ (self, gtk.WINDOW_TOPLEVEL)
self.preferences = RecordingPreferences (data_dir)
self.masterer = AudioMastering (self.preferences)
self.masterer.listeners.append (self)
g = gtk.glade.XML (os.path.join (self.preferences.data_dir, "serpentine.glade"),
"main_window_container")
self.add (g.get_widget ("main_window_container"))
self.set_title ("Serpentine")
# Add a file button
g.get_widget ("add").connect ("clicked", self.add_file)
g.get_widget ("add_mni").connect ("activate", self.add_file)
# record button
g.get_widget("burn").connect ("clicked", self.burn)
# masterer widget
box = self.get_child()
self.masterer.show()
box.add (self.masterer)
# preferences
g.get_widget ("preferences_mni").connect ('activate', self.__on_preferences)
# setup remove buttons
self.remove = MapProxy ({'menu': g.get_widget ("remove_mni"),
'button': g.get_widget ("remove")})
self.remove['menu'].connect ("activate", self.remove_file)
self.remove['button'].connect ("clicked", self.remove_file)
self.remove.set_sensitive (False)
# setup record button
self.burn = g.get_widget ("burn")
self.burn.set_sensitive (False)
# setup clear buttons
self.clear = MapProxy ({'menu': g.get_widget ("clear_mni"),
'button': g.get_widget ("clear")})
self.clear['button'].connect ("clicked", self.clear_files)
self.clear['menu'].connect ("activate", self.clear_files)
self.clear.set_sensitive (False)
# setup quit menu item
g.get_widget ("quit_mni").connect ('activate', self.quit)
self.connect("destroy", self.quit)
# About dialog
g.get_widget ("about_mni").connect ('activate', self.__on_about)
self.__last_path = None
self.__add_file = gtk.FileChooserDialog (buttons = (gtk.STOCK_CANCEL,gtk.RESPONSE_CANCEL,gtk.STOCK_OPEN,gtk.RESPONSE_OK))
self.__add_file.set_title ('')
self.__add_file.set_select_multiple (True)
if not self.preferences.drive:
gtk_util.dialog_warn ("No recording drive found", "No recording drive found on your system, therefore some of Serpentine's functionalities will be disabled.")
g.get_widget ("preferences_mni").set_sensitive (False)
self.burn.set_sensitive (False)
def burn (self, *args):
if not self.preferences.temporary_dir_is_ok():
gtk_util.dialog_warn ("Temporary directory location unavailable", "Please check if the temporary exists and has writable permissions.")
self.__on_preferences ()
return
if gtk_util.dialog_ok_cancel ("Do you want to continue?", "You are about to record a media disk. Canceling a writing operation will make your disk unusable.", self) != gtk.RESPONSE_OK:
return
r = RecordingMedia (self.masterer.source, self.preferences, self)
r.start()
def burn (self, *args):
# Check if we have space available in our cache dir
secs = 0
for music in self.masterer.source:
if not self.preferences.pool.is_available (music['uri']):
secs += music['duration']
# 44100hz * 16bit * 2channels / 8bits = 176400 bytes per sec
size_needed = secs * 176400L
s = os.statvfs (self.preferences.temporary_dir)
size_avail = s[statvfs.F_BAVAIL] * long(s[statvfs.F_BSIZE])
if (size_avail - size_needed) < 0:
gtk_util.dialog_error ("Not enough space on cache directory",
"Remove some music tracks or make sure your cache location location has enough free space (about %s)." % (self.__hig_bytes(size_needed - size_avail)), self)
return
if not self.preferences.temporary_dir_is_ok():
gtk_util.dialog_warn ("Cache directory location unavailable", "Please check if the cache location exists and has writable permissions.", self)
self.__on_preferences ()
return
if gtk_util.dialog_ok_cancel ("Do you want to continue?", "You are about to record a media disk. Canceling a writing operation will make your disk unusable.", self) != gtk.RESPONSE_OK:
return
r = RecordingMedia (self.masterer.source, self.preferences, self)
r.start()