def update_disc_usage (self):
if not self.update:
return
if self.source.total_duration > self.disc_size:
self.__capacity_exceeded.show ()
else:
self.__capacity_exceeded.hide ()
# Flush events so progressbar redrawing gets done
while gtk.events_pending():
gtk.main_iteration(True)
if self.source.total_duration > 0:
duration = self.__disc_size - self.source.total_duration
if duration > 0:
dur = _("%s remaining") % self.__hig_duration (duration)
else:
dur = _("%s overlaping") % self.__hig_duration (abs (duration))
else:
dur = _("Empty")
self.__usage_label.set_text (dur)
e = operations.Event(self)
for l in self.listeners:
l.on_contents_changed (e)
def delete_many (self, indexes):
assert isinstance(indexes, list)
rows = []
indexes.sort()
low = indexes[0] - 1
# Remove duplicate entries
for i in indexes:
if low == i:
indexes.remove (i)
low = i
# Now decrement the offsets
for i in range (len (indexes)):
indexes[i] -= i
# Remove the elements directly
for i in indexes:
# Copy native row
r = dict(self.model.get(i))
rows.append(r)
self.__total_duration -= r['duration']
del self.model[i]
# Warn the listeners
rows = tuple(rows)
e = operations.Event(self)
for l in self.listeners:
l.on_musics_removed (e, rows)
def before_operation_starts(self, event, operation):
e = operations.Event(self.parent)
m = self.get_music_from_uri(operation.music)
assert m
for l in self.parent.listeners:
if isinstance(l, FetchMusicListListener):
l.before_music_fetched(e, m)
def __set_disc_size (self, size):
assert size in AudioMastering.disc_sizes
self.__disc_size = size
self.__size_list.set_active (AudioMastering.disc_sizes.index(size))
self.update_disc_usage()
e = operations.Event (self)
for l in self.listeners:
if hasattr (l, "on_disc_size_changed"):
l.on_disc_size_changed (e)
def __delitem__ (self, index):
# Copy native row
row = dict(self[index])
del self.model[index]
self.__total_duration -= row['duration']
rows = (row,)
if not self.__freezed:
e = operations.Event (self)
for l in self.listeners:
l.on_musics_removed (e, rows)
def append (self, row):
row = self.__correct_row(row)
self.model.append (row)
self.__total_duration += int(row['duration'])
if not self.__freezed:
e = operations.Event (self)
rows = (row,)
for l in self.listeners:
l.on_musics_added (e, rows)
def append_many (self, rows):
self.__freezed = True
for row in rows:
self.append (row)
self.__freezed = False
rows = tuple(rows)
e = operations.Event(self)
for l in self.listeners:
l.on_musics_added (e, rows)
def insert (self, index, row):
row = self.__correct_row(row)
self.model.insert_before (self.model.get_iter (index), row)
self.__total_duration += int (row['duration'])
if not self.__freezed:
e = operations.Event (self)
rows = (row,)
for l in self.listeners:
l.on_musics_added (e, rows)
def on_finished(self, event):
try:
duration = int(self.__metadata["duration"]) / gst.SECOND
except KeyError:
duration = 0
self.__metadata["duration"] = duration
evt = operations.Event(self)
self._notify("on_metadata", evt, self.__metadata)
self.__metadata = None
self.__element = None
self._send_finished_event(operations.SUCCESSFUL)
def clear (self):
rows = []
for row in iter(self.model):
# Copy each element
rows.append(dict(row))
self.model.clear()
self.__total_duration = 0
rows = tuple(rows)
e = operations.Event (self)
for l in self.listeners:
l.on_musics_removed(e, rows)
def on_finished(self, event):
self.duration_counter = 0
if event.id == operations.ERROR:
self._propagate(event)
return
duration = int(self.__metadata.get("duration", 0)) / gst.SECOND
if duration == 0:
self._send_finished_event(operations.ERROR)
return
self.__metadata["duration"] = duration
evt = operations.Event(self)
self._notify("on_metadata", evt, self.__metadata)
self.__metadata = None
self.__element = None
self._send_finished_event(operations.SUCCESSFUL)
def on_finished(self, event):
if event.id == operations.ERROR:
self._propagate(event)
return
try:
duration = int(self.__metadata["duration"]) / gst.SECOND
except KeyError:
duration = 0
if duration == -1 or duration == 0:
self._send_finished_event(operations.ERROR)
return
self.__metadata["duration"] = duration
evt = operations.Event(self)
self._notify("on_metadata", evt, self.__metadata)
self.__metadata = None
self.__element = None
self._send_finished_event(operations.SUCCESSFUL)
def on_finished(self, event):
# When the operation is finished we send the metadata
success = event.id == operations.ABORTED
if success:
# We've completed the operation successfully
if self.__metadata.has_key("duration"):
self.__metadata["duration"] /= gst.SECOND
else:
self.__metadata["duration"] = self.__oper.element.query(
gst.QUERY_TOTAL, gst.FORMAT_TIME) / gst.SECOND
evt = operations.Event(self)
for l in self.listeners:
l.on_metadata(evt, self.__metadata)
self.__metadata = None
self.__element = None
if success:
success = operations.SUCCESSFUL
else:
success = operations.ERROR
self._send_finished_event(success)
def __selection_changed (self, treeselection):
e = operations.Event (self)
for l in self.listeners:
l.on_selection_changed (e)
def _on_error(self, error):
event = operations.Event(self)
self._notify("on_error", event, error)
self._finalize(operations.ERROR, error)
def _on_eos(self):
event = operations.Event(self)
self._notify("on_eos", event)
self._finalize(operations.SUCCESSFUL)
def _on_tag(self, taglist):
event = operations.Event(self)
self._notify("on_tag", event, taglist)
