virt-manager/virtManager/systray.py

515 lines
15 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 os
import gi
from gi.repository import Gio
from gi.repository import Gtk
from virtinst import log
from virtinst import xmlutil
from . import vmmenu
from .baseclass import vmmGObject
from .connmanager import vmmConnectionManager
# pylint: disable=ungrouped-imports
# Prefer AyatantaAppIndicator3 which is the modern maintained
# appindicator library.
try: # pragma: no cover
# pylint: disable=no-name-in-module
gi.require_version('AyatanaAppIndicator3', '0.1')
from gi.repository import AyatanaAppIndicator3 as AppIndicator3
except Exception: # pragma: no cover
AppIndicator3 = None
if not AppIndicator3:
try: # pragma: no cover
# pylint: disable=no-name-in-module
gi.require_version('AppIndicator3', '0.1')
from gi.repository import AppIndicator3
except Exception: # pragma: no cover
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(): # pragma: no cover
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:
log.exception("Error checking for appindicator dbus")
return False
_USING_APPINDICATOR = False
if AppIndicator3: # pragma: no cover
log.debug("Imported AppIndicator3=%s", AppIndicator3)
if not _has_appindicator_dbus():
log.debug("AppIndicator3 is available, but didn't "
"find any dbus watcher.")
else:
_USING_APPINDICATOR = True
log.debug("Using AppIndicator3 for systray")
###########################
# 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): # pragma: no cover
"""
UI backend for appindicator
"""
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): # pragma: no cover
"""
UI backend for Gtk StatusIcon
"""
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 _SystrayWindow(_Systray):
"""
A mock systray implementation that shows its own top level window,
so we can test more of the infrastructure in our ui tests
"""
def __init__(self):
self._window = None
self._menu = None
self._init_ui()
def _init_ui(self):
button = Gtk.Button.new_from_stock(Gtk.STOCK_ADD)
button.connect("button-press-event", self._popup_cb)
self._window = Gtk.Window()
self._window.set_size_request(100, 100)
self._window.get_accessible().set_name("vmm-fake-systray")
self._window.add(button)
def is_embedded(self):
return self._window.is_visible()
def set_menu(self, menu):
self._menu = menu
def _popup_cb(self, src, event):
if event.button == 1:
_toggle_manager()
else:
self._menu.popup_at_pointer(event)
def show(self):
self._window.show_all()
def hide(self):
self._window.hide()
class _TrayMainMenu(vmmGObject):
"""
Helper class for maintaining the conn + VM menu list and updating
it in place
"""
def __init__(self):
vmmGObject.__init__(self)
self.topwin = None # Need this for error callbacks from VMActionMenu
self._menu = self._build_menu()
def _cleanup(self):
self._menu.destroy()
self._menu = None
###########
# UI init #
###########
def _build_menu(self):
"""
Build the top level conn list menu when clicking the icon
"""
menu = Gtk.Menu()
menu.get_accessible().set_name("vmm-systray-menu")
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
######################
# UI update routines #
######################
# Helpers for stashing identifying data in the menu item objects
def _get_lookupkey(self, child):
return getattr(child, "_vmlookupkey", None)
def _set_lookupkey(self, child, val):
return setattr(child, "_vmlookupkey", val)
def _get_sortkey(self, child):
return getattr(child, "_vmsortkey", None)
def _set_sortkey(self, child, val):
return setattr(child, "_vmsortkey", val)
def _set_vm_state(self, menu_item, vm):
label = menu_item.get_child()
label.set_text(vm.get_name_or_title())
vm_action_menu = menu_item.get_submenu()
vm_action_menu.update_widget_states(vm)
def _build_vm_menuitem(self, vm):
"""
Build a menu item representing a single VM
"""
menu_item = Gtk.ImageMenuItem.new_with_label("FOO")
menu_item.set_use_underline(False)
vm_action_menu = vmmenu.VMActionMenu(self, lambda: vm)
menu_item.set_submenu(vm_action_menu)
self._set_lookupkey(menu_item, vm)
self._set_sortkey(menu_item, vm.get_name_or_title())
self._set_vm_state(menu_item, vm)
menu_item.show_all()
return menu_item
def _set_conn_state(self, menu_item, conn):
label = menu_item.get_child()
if conn.is_active():
label = menu_item.get_child()
markup = "<b>%s</b>" % xmlutil.xml_escape(conn.get_pretty_desc())
label.set_markup(markup)
else:
label.set_text(conn.get_pretty_desc())
connect_item = self._find_lookupkey(menu_item.get_submenu(), 1)
disconnect_item = self._find_lookupkey(menu_item.get_submenu(), 2)
connect_item.set_visible(conn.is_active())
disconnect_item.set_visible(not conn.is_active())
def _build_conn_menuitem(self, conn):
"""
Build a menu item representing a single connection, and populate
all its VMs as items in a sub menu
"""
menu_item = Gtk.MenuItem.new_with_label("FOO")
self._set_lookupkey(menu_item, conn.get_uri())
# Group active conns first
# Sort by pretty desc within those categories
sortkey = str(int(bool(not conn.is_active())))
sortkey += conn.get_pretty_desc().lower()
self._set_sortkey(menu_item, sortkey)
menu = Gtk.Menu()
menu_item.set_submenu(menu)
menu.add(Gtk.SeparatorMenuItem())
citem1 = Gtk.ImageMenuItem.new_from_stock(Gtk.STOCK_DISCONNECT, None)
citem1.connect("activate", _conn_disconnect_cb, conn.get_uri())
self._set_lookupkey(citem1, 1)
menu.add(citem1)
citem2 = Gtk.ImageMenuItem.new_from_stock(Gtk.STOCK_CONNECT, None)
citem2.connect("activate", _conn_connect_cb, conn.get_uri())
self._set_lookupkey(citem2, 2)
menu.add(citem2)
menu_item.show_all()
self._set_conn_state(menu_item, conn)
return menu_item
def _find_lookupkey(self, parent, key):
for child in parent.get_children():
if self._get_lookupkey(child) == key:
return child
def _find_conn_menuitem(self, uri):
return self._find_lookupkey(self._menu, uri)
def _find_vm_menuitem(self, uri, vm):
connmenu = self._find_conn_menuitem(uri)
return self._find_lookupkey(connmenu.get_submenu(), vm)
################
# UI listeners #
################
def _exit_app_cb(self, src):
from .engine import vmmEngine
vmmEngine.get_instance().exit_app()
##############
# Public API #
##############
def get_menu(self):
return self._menu
def conn_add(self, conn):
connmenu = self._build_conn_menuitem(conn)
sortkey = self._get_sortkey(connmenu)
idx = 0
for idx, child in enumerate(list(self._menu.get_children())):
checksort = self._get_sortkey(child)
if checksort is None or checksort > sortkey:
break
self._menu.insert(connmenu, idx)
def conn_remove(self, uri):
connmenu = self._find_conn_menuitem(uri)
if connmenu:
self._menu.remove(connmenu)
connmenu.destroy()
def conn_change(self, conn):
connmenu = self._find_conn_menuitem(conn.get_uri())
self._set_conn_state(connmenu, conn)
def vm_add(self, vm):
connmenu = self._find_conn_menuitem(vm.conn.get_uri())
menu_item = self._build_vm_menuitem(vm)
sortkey = self._get_sortkey(menu_item)
vmsubmenu = connmenu.get_submenu()
idx = 0
for idx, child in enumerate(list(vmsubmenu.get_children())):
checksort = self._get_sortkey(child)
if checksort is None or checksort > sortkey:
break
vmsubmenu.insert(menu_item, idx)
def vm_remove(self, vm):
conn = vm.conn
connmenu = self._find_conn_menuitem(conn.get_uri())
vmitem = self._find_vm_menuitem(conn.get_uri(), vm)
connmenu.get_submenu().remove(vmitem)
vmitem.destroy()
def vm_change(self, vm):
vmitem = self._find_vm_menuitem(vm.conn.get_uri(), vm)
self._set_vm_state(vmitem, vm)
class vmmSystray(vmmGObject):
"""
API class representing a systray icon. May use StatusIcon or appindicator
backends
"""
@classmethod
def get_instance(cls):
if not cls._instance:
cls._instance = vmmSystray()
return cls._instance
@staticmethod
def systray_disabled_message(): # pragma: no cover
if "WAYLAND_DISPLAY" not in os.environ:
return
if _USING_APPINDICATOR:
return
return ("No appindicator listener found, which is required "
"on wayland.")
def __init__(self):
vmmGObject.__init__(self)
self._cleanup_on_app_close()
self._systray = None
self._mainmenu = None
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
if self._mainmenu:
self._mainmenu.cleanup()
self._mainmenu = None
###########################
# Initialization routines #
###########################
def _init_mainmenu(self):
self._mainmenu = _TrayMainMenu()
connmanager = vmmConnectionManager.get_instance()
connmanager.connect("conn-added", self._conn_added_cb)
connmanager.connect("conn-removed", self._conn_removed_cb)
for conn in connmanager.conns.values():
self._conn_added_cb(connmanager, conn)
def _show_systray(self):
if not self._systray:
if self.config.CLITestOptions.fake_systray:
self._systray = _SystrayWindow()
elif _USING_APPINDICATOR: # pragma: no cover
self._systray = _SystrayIndicator()
else: # pragma: no cover
self._systray = _SystrayStatusIcon()
self._init_mainmenu()
self._systray.set_menu(self._mainmenu.get_menu())
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()
log.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()
################
# UI listeners #
################
def _conn_added_cb(self, src, conn):
conn.connect("vm-added", self._vm_added_cb)
conn.connect("vm-removed", self._vm_removed_cb)
conn.connect("state-changed", self._conn_state_changed_cb)
self._mainmenu.conn_add(conn)
for vm in conn.list_vms():
self._vm_added_cb(conn, vm)
def _conn_removed_cb(self, src, conn):
self._mainmenu.conn_remove(conn)
def _conn_state_changed_cb(self, conn):
self._mainmenu.conn_change(conn)
def _vm_added_cb(self, conn, vm):
vm.connect("state-changed", self._vm_state_changed_cb)
self._mainmenu.vm_add(vm)
def _vm_removed_cb(self, conn, vm):
self._mainmenu.vm_remove(vm)
def _vm_state_changed_cb(self, vm):
self._mainmenu.vm_change(vm)