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# Copyright (c) 2016 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 enum import IntEnum
from gettext import gettext as _
from gi.repository import GLib, GObject, Gtk, Tracker
@Gtk.Template(resource_path="/org/gnome/Music/ui/EmptyView.ui")
class EmptyView(Gtk.Stack):
"""Empty view when there is no music to display
This view can have several states
EMPTY: No music has been found at startup (default)
SEARCH: No music found with a user search
NO_TRACKER: Tracker is unavailable
TRACKER_OUTDATED: Tracker version is too old
"""
class State(IntEnum):
"""Enum for EmptyView state."""
EMPTY = 0
SEARCH = 1
NO_TRACKER = 2
TRACKER_OUTDATED = 3
__gtype_name__ = "EmptyView"
_description_label = Gtk.Template.Child()
_initial_state = Gtk.Template.Child()
_status_page = Gtk.Template.Child()
def __init__(self):
super().__init__()
# FIXME: This is now duplicated here and in GrlTrackerWrapper.
try:
music_folder = GLib.get_user_special_dir(
GLib.UserDirectory.DIRECTORY_MUSIC)
assert music_folder is not None
except (TypeError, AssertionError):
self._content_text = _("Your XDG Music directory is not set.")
return
music_folder = Tracker.sparql_escape_string(
GLib.filename_to_uri(music_folder))
href_text = "<a href='{}'>{}</a>".format(
music_folder, _("Music Folder"))
# TRANSLATORS: This is a label to display a link to open user's music
# folder. {} will be replaced with the translated text 'Music folder'
folder_text = _("The contents of your {} will appear here.")
self._content_text = folder_text.format(href_text)
# Hack to get to HdyClamp, so it can be hidden for the
# initial state.
child_of_child = self._status_page.get_child().get_child()
self._hdy_clamp = child_of_child.get_child().get_children()[0]
self._status_page.add(self._initial_state)
self._state = EmptyView.State.EMPTY
@GObject.Property(type=int, default=0, minimum=0, maximum=4)
def state(self):
"""Get the state of the empty view
:returns: The view state
:rtype: int
"""
return self._state
@state.setter # type: ignore
def state(self, value):
"""Set the state of the empty view
:param int value: new state
"""
self._state = value
self._hdy_clamp.props.visible = True
self._initial_state.props.visible = False
if self._state == EmptyView.State.EMPTY:
self._set_empty_state()
elif self._state == EmptyView.State.SEARCH:
self._set_search_state()
elif self._state == EmptyView.State.NO_TRACKER:
self._set_no_tracker_state()
elif self._state == EmptyView.State.TRACKER_OUTDATED:
self._set_tracker_outdated_state()
def _set_empty_state(self):
self._hdy_clamp.props.visible = False
self._initial_state.props.visible = True
self._description_label.props.label = self._content_text
def _set_search_state(self):
self._status_page.props.title = _("No Music Found")
self._status_page.props.description = _("Try a Different Search")
def _set_no_tracker_state(self):
self._status_page.props.title = _(
"GNOME Music could not connect to Tracker.")
self._status_page.props.description = _(
"Your music files cannot be indexed without Tracker running.")
self._status_page.props.icon_name = "dialog-error-symbolic"
def _set_tracker_outdated_state(self):
self._status_page.props.title = _(
"Your system Tracker version seems outdated.")
self._status_page.props.description = _(
"Music needs Tracker version 3.0.0 or higher.")
self._status_page.props.icon_name = "dialog-error-symbolic"
def select_all(self):
"""Cannot select songs from EmptyView."""
pass
def deselect_all(self):
"""Cannot select songs from EmptyView."""
pass
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