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# Copyright 2019 The GNOME Music developers
#
# GNOME Music is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# GNOME Music is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with GNOME Music; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# The GNOME Music authors hereby grant permission for non-GPL compatible
# GStreamer plugins to be used and distributed together with GStreamer
# and GNOME Music. This permission is above and beyond the permissions
# granted by the GPL license by which GNOME Music is covered. If you
# modify this code, you may extend this exception to your version of the
# code, but you are not obligated to do so. If you do not wish to do so,
# delete this exception statement from your version.
from gi.repository import GObject
class CoreSelection(GObject.GObject):
selected_items_count = GObject.Property(type=int, default=0)
def __init__(self):
super().__init__()
self._selected_items = []
def update_selection(self, coresong, value):
if coresong.props.selected:
self.props.selected_items.append(coresong)
else:
try:
self.props.selected_items.remove(coresong)
except ValueError:
pass
self.props.selected_items_count = len(self.props.selected_items)
@GObject.Property
def selected_items(self):
return self._selected_items
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