/usr/lib/python3/dist-packages/gnomemusic/window.py is in gnome-music 3.14.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Copyright (c) 2013 Vadim Rutkovsky <vrutkovs@redhat.com>
# Copyright (c) 2013 Sai Suman Prayaga <suman.sai14@gmail.com>
# Copyright (c) 2013 Arnel A. Borja <kyoushuu@yahoo.com>
# Copyright (c) 2013 Shivani Poddar <shivani.poddar92@gmail.com>
# Copyright (c) 2013 Manish Sinha <manishsinha@ubuntu.com>
# Copyright (c) 2013 Seif Lotfy <seif@gmail.com>
# Copyright (c) 2013 Guillaume Quintard <guillaume.quintard@gmail.com>
#
# 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 Gtk, Gdk, Gio, GLib, Tracker
from gettext import gettext as _, ngettext
from gnomemusic.toolbar import Toolbar, ToolbarState
from gnomemusic.player import Player, SelectionToolbar
from gnomemusic.query import Query
import gnomemusic.view as Views
import gnomemusic.widgets as Widgets
from gnomemusic.playlists import Playlists
from gnomemusic.grilo import grilo
from gnomemusic import log
import logging
logger = logging.getLogger(__name__)
playlist = Playlists.get_default()
try:
tracker = Tracker.SparqlConnection.get(None)
except Exception as e:
from sys import exit
logger.error("Cannot connect to tracker, error '%s'\Exiting" % str(e))
exit(1)
class Window(Gtk.ApplicationWindow):
@log
def __init__(self, app):
Gtk.ApplicationWindow.__init__(self,
application=app,
title=_("Music"))
self.connect('focus-in-event', self._windows_focus_cb)
self.settings = Gio.Settings.new('org.gnome.Music')
self.add_action(self.settings.create_action('repeat'))
selectAll = Gio.SimpleAction.new('selectAll', None)
app.add_accelerator('<Primary>a', 'win.selectAll', None)
selectAll.connect('activate', self._on_select_all)
self.add_action(selectAll)
selectNone = Gio.SimpleAction.new('selectNone', None)
selectNone.connect('activate', self._on_select_none)
self.add_action(selectNone)
self.set_size_request(200, 100)
self.set_icon_name('gnome-music')
self.prev_view = None
self.curr_view = None
size_setting = self.settings.get_value('window-size')
if isinstance(size_setting[0], int) and isinstance(size_setting[1], int):
self.resize(size_setting[0], size_setting[1])
position_setting = self.settings.get_value('window-position')
if len(position_setting) == 2 \
and isinstance(position_setting[0], int) \
and isinstance(position_setting[1], int):
self.move(position_setting[0], position_setting[1])
if self.settings.get_value('window-maximized'):
self.maximize()
self.connect("window-state-event", self._on_window_state_event)
self.connect("configure-event", self._on_configure_event)
self._setup_view()
self.proxy = Gio.DBusProxy.new_sync(Gio.bus_get_sync(Gio.BusType.SESSION, None),
Gio.DBusProxyFlags.NONE,
None,
'org.gnome.SettingsDaemon',
'/org/gnome/SettingsDaemon/MediaKeys',
'org.gnome.SettingsDaemon.MediaKeys',
None)
self._grab_media_player_keys()
try:
self.proxy.connect('g-signal', self._handle_media_keys)
except GLib.GError:
# We cannot grab media keys if no settings daemon is running
pass
grilo.connect('changes-pending', self._on_changes_pending)
@log
def _on_changes_pending(self, data=None):
count = 1
cursor = tracker.query(Query.all_songs_count(), None)
if cursor is not None and cursor.next(None):
count = cursor.get_integer(0)
if not count > 0:
if self.toolbar._selectionMode is False and len(self.views) != 1:
self._stack.disconnect(self._on_notify_model_id)
self.disconnect(self._key_press_event_id)
view_count = len(self.views)
for i in range(0, view_count):
view = self.views.pop()
view.destroy()
self.toolbar.hide_stack()
self._switch_to_empty_view()
else:
if (self.views[0] == self.views[-1]):
view = self.views.pop()
view.destroy()
self._switch_to_player_view()
self.toolbar._search_button.set_sensitive(True)
self.toolbar._select_button.set_sensitive(True)
self.toolbar.show_stack()
@log
def _on_configure_event(self, widget, event):
size = widget.get_size()
self.settings.set_value('window-size', GLib.Variant('ai', [size[0], size[1]]))
position = widget.get_position()
self.settings.set_value('window-position', GLib.Variant('ai', [position[0], position[1]]))
@log
def _on_window_state_event(self, widget, event):
self.settings.set_boolean('window-maximized', 'GDK_WINDOW_STATE_MAXIMIZED' in event.new_window_state.value_names)
@log
def _grab_media_player_keys(self):
try:
self.proxy.call_sync('GrabMediaPlayerKeys',
GLib.Variant('(su)', ('Music', 0)),
Gio.DBusCallFlags.NONE,
-1,
None)
except GLib.GError:
# We cannot grab media keys if no settings daemon is running
pass
@log
def _windows_focus_cb(self, window, event):
self._grab_media_player_keys()
@log
def _handle_media_keys(self, proxy, sender, signal, parameters):
if signal != 'MediaPlayerKeyPressed':
print('Received an unexpected signal \'%s\' from media player'.format(signal))
return
response = parameters.get_child_value(1).get_string()
if 'Play' in response:
self.player.play_pause()
elif 'Stop' in response:
self.player.Stop()
elif 'Next' in response:
self.player.play_next()
elif 'Previous' in response:
self.player.play_previous()
@log
def _setup_view(self):
self._box = Gtk.VBox()
self.player = Player()
self.selection_toolbar = SelectionToolbar()
self.toolbar = Toolbar()
self.views = []
self._stack = Gtk.Stack(
transition_type=Gtk.StackTransitionType.CROSSFADE,
transition_duration=100,
visible=True,
can_focus=False)
self._overlay = Gtk.Overlay(child=self._stack)
self._overlay.add_overlay(self.toolbar.dropdown)
self.set_titlebar(self.toolbar.header_bar)
self._box.pack_start(self.toolbar.searchbar, False, False, 0)
self._box.pack_start(self._overlay, True, True, 0)
self._box.pack_start(self.player.actionbar, False, False, 0)
self._box.pack_start(self.selection_toolbar.actionbar, False, False, 0)
self.add(self._box)
count = 1
cursor = None
try:
cursor = tracker.query(Query.all_songs_count(), None)
except Exception as e:
logger.error("Tracker query crashed: %s" % e)
count = 0
if cursor is not None and cursor.next(None):
count = cursor.get_integer(0)
if count > 0:
self._switch_to_player_view()
# To revert to the No Music View when no songs are found
else:
if self.toolbar._selectionMode is False:
self._switch_to_empty_view()
self.toolbar._search_button.connect('toggled', self._on_search_toggled)
self.toolbar.connect('selection-mode-changed', self._on_selection_mode_changed)
self.selection_toolbar._add_to_playlist_button.connect(
'clicked', self._on_add_to_playlist_button_clicked)
self.selection_toolbar._remove_from_playlist_button.connect(
'clicked', self._on_remove_from_playlist_button_clicked)
self.toolbar.set_state(ToolbarState.MAIN)
self.toolbar.header_bar.show()
self._overlay.show()
self.player.actionbar.show_all()
self._box.show()
self.show()
@log
def _switch_to_empty_view(self):
self.views.append(Views.Empty(self, self.player))
self._stack.add_titled(self.views[0], _("Empty"), _("Empty"))
self.toolbar._search_button.set_sensitive(False)
self.toolbar._select_button.set_sensitive(False)
@log
def _switch_to_player_view(self):
self._on_notify_model_id = self._stack.connect('notify::visible-child', self._on_notify_mode)
self.connect('destroy', self._notify_mode_disconnect)
self._key_press_event_id = self.connect('key_press_event', self._on_key_press)
self.views.append(Views.Albums(self, self.player))
self.views.append(Views.Artists(self, self.player))
self.views.append(Views.Songs(self, self.player))
self.views.append(Views.Playlist(self, self.player))
self.views.append(Views.Search(self, self.player))
for i in self.views:
if i.title:
self._stack.add_titled(i, i.name, i.title)
else:
self._stack.add_named(i, i.name)
self.toolbar.set_stack(self._stack)
self.toolbar.searchbar.show()
self.toolbar.dropdown.show()
self.views[0].populate()
@log
def _set_selection(self, model, value, parent=None):
count = 0
_iter = model.iter_children(parent)
while _iter is not None:
if model.iter_has_child(_iter):
count += self._set_selection(model, value, _iter)
if model[_iter][5]:
model.set(_iter, [6], [value])
count += 1
_iter = model.iter_next(_iter)
return count
@log
def _on_select_all(self, action, param):
if self.toolbar._selectionMode is False:
return
if self.toolbar._state == ToolbarState.MAIN:
model = self._stack.get_visible_child()._model
else:
model = self._stack.get_visible_child().get_visible_child().model
count = self._set_selection(model, True)
if count > 0:
self.toolbar._selection_menu_label.set_text(
ngettext("Selected %d item", "Selected %d items", count) % count)
self.selection_toolbar._add_to_playlist_button.set_sensitive(True)
self.selection_toolbar._remove_from_playlist_button.set_sensitive(True)
elif count == 0:
self.toolbar._selection_menu_label.set_text(_("Click on items to select them"))
self._stack.get_visible_child().queue_draw()
@log
def _on_select_none(self, action, param):
if self.toolbar._state == ToolbarState.MAIN:
model = self._stack.get_visible_child()._model
else:
model = self._stack.get_visible_child().get_visible_child().model
self._set_selection(model, False)
self.selection_toolbar._add_to_playlist_button.set_sensitive(False)
self.selection_toolbar._remove_from_playlist_button.set_sensitive(False)
self.toolbar._selection_menu_label.set_text(_("Click on items to select them"))
self._stack.get_visible_child().queue_draw()
@log
def _on_key_press(self, widget, event):
modifiers = Gtk.accelerator_get_default_mod_mask()
event_and_modifiers = (event.state & modifiers)
if event_and_modifiers != 0:
# Open search bar on Ctrl + F
if (event.keyval == Gdk.KEY_f and
event_and_modifiers == Gdk.ModifierType.CONTROL_MASK):
self.toolbar.searchbar.toggle_bar()
else:
# Close search bar after Esc is pressed
if event.keyval == Gdk.KEY_Escape:
self.toolbar.searchbar.show_bar(False)
# Also disable selection
if self.toolbar._selectionMode:
self.toolbar.set_selection_mode(False)
# Open search bar when typing printable chars if it not opened
# Make sure we skip unprintable chars and don't grab space press
# (this is used for play/pause)
if not self.toolbar.searchbar.get_reveal_child() and not event.keyval == Gdk.KEY_space:
if (event_and_modifiers == Gdk.ModifierType.SHIFT_MASK or
event_and_modifiers == 0) and \
GLib.unichar_isprint(chr(Gdk.keyval_to_unicode(event.keyval))):
self.toolbar.searchbar.show_bar(True)
else:
if not self.toolbar.searchbar.get_reveal_child():
if event.keyval == Gdk.KEY_space and self.player.actionbar.get_visible():
self.player.play_pause()
@log
def _notify_mode_disconnect(self, data=None):
self._stack.disconnect(self._on_notify_model_id)
@log
def _on_notify_mode(self, stack, param):
self.prev_view = self.curr_view
self.curr_view = stack.get_visible_child()
# Switch to all albums view when we're clicking Albums
if self.curr_view == self.views[0]:
self.curr_view.set_visible_child(self.curr_view._grid)
# Slide out sidebar on switching to Artists or Playlists view
if self.curr_view == self.views[1] or \
self.curr_view == self.views[3]:
self.curr_view.stack.set_visible_child_name('dummy')
self.curr_view.stack.set_visible_child_name('sidebar')
if self.curr_view != self.views[4]:
self.toolbar.searchbar.show_bar(False)
@log
def _toggle_view(self, btn, i):
self._stack.set_visible_child(self.views[i])
@log
def _on_search_toggled(self, button, data=None):
self.toolbar.searchbar.show_bar(button.get_active())
if not button.get_active() and self.curr_view == self.views[4] and \
self.toolbar._state == ToolbarState.MAIN:
self._stack.set_visible_child(self.prev_view)
if self.toolbar._selectionMode:
self.toolbar.set_selection_mode(False)
@log
def _on_selection_mode_changed(self, widget, data=None):
if self.toolbar._selectionMode is False:
self._on_changes_pending()
else:
in_playlist = self._stack.get_visible_child() == self.views[3]
self.selection_toolbar._add_to_playlist_button.set_visible(not in_playlist)
self.selection_toolbar._remove_from_playlist_button.set_visible(in_playlist)
@log
def _on_add_to_playlist_button_clicked(self, widget):
if self._stack.get_visible_child() == self.views[3]:
return
def callback(selected_tracks):
if len(selected_tracks) < 1:
return
add_to_playlist = Widgets.PlaylistDialog(self)
if add_to_playlist.dialog_box.run() == Gtk.ResponseType.ACCEPT:
playlist.add_to_playlist(
add_to_playlist.get_selected(),
selected_tracks)
self.toolbar.set_selection_mode(False)
add_to_playlist.dialog_box.destroy()
self._stack.get_visible_child().get_selected_tracks(callback)
@log
def _on_remove_from_playlist_button_clicked(self, widget):
if self._stack.get_visible_child() != self.views[3]:
return
def callback(selected_tracks):
if len(selected_tracks) < 1:
return
playlist.remove_from_playlist(
self.views[3].current_playlist,
selected_tracks)
self.toolbar.set_selection_mode(False)
self._stack.get_visible_child().get_selected_tracks(callback)
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