virt-manager/virtManager/systray.py

310 lines
9.4 KiB
Python

# Copyright (C) 2009, 2013 Red Hat, Inc.
# Copyright (C) 2009 Cole Robinson <crobinso@redhat.com>
#
# This work is licensed under the GNU GPLv2 or later.
# See the COPYING file in the top-level directory.
import logging
from gi.repository import Gio
from gi.repository import Gtk
from virtinst import xmlutil
from . import vmmenu
from .baseclass import vmmGObject
from .connmanager import vmmConnectionManager
try:
# pylint: disable=ungrouped-imports
from gi.repository import AppIndicator3
except Exception:
AppIndicator3 = None
def _toggle_manager(*args, **kwargs):
ignore = args
ignore = kwargs
from .manager import vmmManager
manager = vmmManager.get_instance(None)
if manager.is_visible():
manager.close()
else:
manager.show()
def _conn_connect_cb(src, uri):
connmanager = vmmConnectionManager.get_instance()
conn = connmanager.conns[uri]
if conn.is_disconnected():
conn.open()
def _conn_disconnect_cb(src, uri):
connmanager = vmmConnectionManager.get_instance()
conn = connmanager.conns[uri]
if not conn.is_disconnected():
conn.close()
def _has_appindicator_dbus():
try:
bus = Gio.bus_get_sync(Gio.BusType.SESSION, None)
dbus = Gio.DBusProxy.new_sync(bus, 0, None,
"org.freedesktop.DBus",
"/org/freedesktop/DBus",
"org.freedesktop.DBus", None)
if dbus.NameHasOwner("(s)", "org.kde.StatusNotifierWatcher"):
return True
if dbus.NameHasOwner("(s)", "org.freedesktop.StatusNotifierWatcher"):
return True
return False
except Exception:
logging.exception("Error checking for appindicator dbus")
return False
###########################
# systray backend classes #
###########################
class _Systray(object):
def is_embedded(self):
raise NotImplementedError()
def show(self):
raise NotImplementedError()
def hide(self):
raise NotImplementedError()
def set_menu(self, menu):
raise NotImplementedError()
class _SystrayIndicator(_Systray):
def __init__(self):
self._icon = AppIndicator3.Indicator.new(
"virt-manager", "virt-manager",
AppIndicator3.IndicatorCategory.APPLICATION_STATUS)
def set_menu(self, menu):
hide_item = Gtk.MenuItem.new_with_mnemonic(
_("_Show Virtual Machine Manager"))
hide_item.connect("activate", _toggle_manager)
hide_item.show()
menu.insert(hide_item, len(menu.get_children()) - 1)
self._icon.set_menu(menu)
self._icon.set_secondary_activate_target(hide_item)
def is_embedded(self):
if not self._icon.get_property("connected"):
return False
return (self._icon.get_status() !=
AppIndicator3.IndicatorStatus.PASSIVE)
def show(self):
self._icon.set_status(AppIndicator3.IndicatorStatus.ACTIVE)
def hide(self):
self._icon.set_status(AppIndicator3.IndicatorStatus.PASSIVE)
class _SystrayStatusIcon(_Systray):
def __init__(self):
self._icon = Gtk.StatusIcon()
self._icon.set_property("icon-name", "virt-manager")
self._icon.connect("activate", _toggle_manager)
self._icon.connect("popup-menu", self._popup_cb)
self._icon.set_tooltip_text(_("Virtual Machine Manager"))
self._menu = None
def is_embedded(self):
return self._icon.is_embedded()
def set_menu(self, menu):
self._menu = menu
def _popup_cb(self, src, button, event_time):
if button != 3:
return
self._menu.popup(None, None,
Gtk.StatusIcon.position_menu,
self._icon, 0, event_time)
def show(self):
self._icon.set_visible(True)
def hide(self):
self._icon.set_visible(False)
class vmmSystray(vmmGObject):
@classmethod
def get_instance(cls):
if not cls._instance:
cls._instance = vmmSystray()
return cls._instance
def __init__(self):
vmmGObject.__init__(self)
self._cleanup_on_app_close()
self.topwin = None # Need this for error callbacks from VMActionMenu
self._systray = None
self._using_appindicator = False
if AppIndicator3:
if not _has_appindicator_dbus():
logging.debug("AppIndicator3 is available, but didn't "
"find any dbus watcher.")
else:
self._using_appindicator = True
logging.debug("Using AppIndicator3 for systray")
connmanager = vmmConnectionManager.get_instance()
connmanager.connect("conn-added", self._conn_added_cb)
connmanager.connect("conn-removed", self._rebuild_menu)
for conn in connmanager.conns.values():
self._conn_added_cb(connmanager, conn)
self.add_gsettings_handle(
self.config.on_view_system_tray_changed(
self._show_systray_changed_cb))
self._startup()
def is_embedded(self):
return self._systray and self._systray.is_embedded()
def _cleanup(self):
self._hide_systray()
self._systray = None
###########################
# Initialization routines #
###########################
def _show_systray(self):
if not self._systray:
if self._using_appindicator:
self._systray = _SystrayIndicator()
else:
self._systray = _SystrayStatusIcon()
self._rebuild_menu(force=True)
self._systray.show()
def _hide_systray(self):
if not self._systray:
return
self._systray.hide()
def _show_systray_changed_cb(self):
do_show = self.config.get_view_system_tray()
logging.debug("Showing systray: %s", do_show)
if do_show:
self._show_systray()
else:
self._hide_systray()
def _startup(self):
# This will trigger the actual UI showing
self._show_systray_changed_cb()
#################
# Menu building #
#################
def _build_vm_menuitem(self, vm):
menu_item = Gtk.ImageMenuItem.new_with_label(vm.get_name_or_title())
menu_item.set_use_underline(False)
vm_action_menu = vmmenu.VMActionMenu(self, lambda: vm)
vm_action_menu.update_widget_states(vm)
menu_item.set_submenu(vm_action_menu)
return menu_item
def _build_conn_menuitem(self, conn):
menu_item = Gtk.MenuItem.new_with_label(conn.get_pretty_desc())
if conn.is_active():
label = menu_item.get_child()
markup = "<b>%s</b>" % xmlutil.xml_escape(conn.get_pretty_desc())
label.set_markup(markup)
menu = Gtk.Menu()
vms = conn.list_vms()
vms.sort(key=lambda v: v.get_name_or_title())
for vm in vms:
menu.add(self._build_vm_menuitem(vm))
if not vms:
vmitem = Gtk.MenuItem.new_with_label(_("No virtual machines"))
vmitem.set_sensitive(False)
menu.add(vmitem)
menu.add(Gtk.SeparatorMenuItem())
if conn.is_active():
citem = Gtk.ImageMenuItem.new_from_stock(
Gtk.STOCK_DISCONNECT, None)
citem.connect("activate", _conn_disconnect_cb, conn.get_uri())
else:
citem = Gtk.ImageMenuItem.new_from_stock(Gtk.STOCK_CONNECT, None)
citem.connect("activate", _conn_connect_cb, conn.get_uri())
menu.add(citem)
menu_item.set_submenu(menu)
return menu_item
def _build_menu(self):
connmanager = vmmConnectionManager.get_instance()
conns = list(connmanager.conns.values())
menu = Gtk.Menu()
conns.sort(key=lambda c: c.get_pretty_desc().lower())
conns.sort(key=lambda c: not c.is_active())
for conn in conns:
connmenu = self._build_conn_menuitem(conn)
menu.add(connmenu)
menu.add(Gtk.SeparatorMenuItem())
exit_item = Gtk.ImageMenuItem.new_from_stock(Gtk.STOCK_QUIT, None)
exit_item.connect("activate", self._exit_app_cb)
menu.add(exit_item)
menu.show_all()
return menu
def _rebuild_menu(self, *args, **kwargs):
ignore = args
ignore = kwargs
if "force" not in kwargs and not self.is_embedded():
return
if vmmConnectionManager.get_instance() is True:
# In app cleanup, don't do anything
return
# Yeah, this is kinda nutty, we rebuild the whole menu widget
# on any conn or VM state change. We kinda need to do this
# for appindicator, because we communicate with the remote
# UI via changing the menu widget, unlike statusicon which
# we could delay until 'show' time. This is likely slow as
# dirt for a virt-manager instance with a lot of connections
# and VMs...
menu = self._build_menu()
self._systray.set_menu(menu)
def _conn_added_cb(self, src, conn):
conn.connect("vm-added", self._vm_added_cb)
conn.connect("vm-removed", self._rebuild_menu)
conn.connect("state-changed", self._rebuild_menu)
self._rebuild_menu()
def _vm_added_cb(self, conn, connkey):
vm = conn.get_vm(connkey)
vm.connect("state-changed", self._rebuild_menu)
self._rebuild_menu()
def _exit_app_cb(self, src):
from .engine import vmmEngine
vmmEngine.get_instance().exit_app()