You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
120 lines
2.8 KiB
Python
120 lines
2.8 KiB
Python
18 years ago
|
import os
|
||
|
|
import signal
|
||
|
|
|
||
|
|
import gobject
|
||
|
|
|
||
|
|
from Shell import Shell
|
||
|
|
|
||
|
|
class Process:
|
||
|
|
def __init__(self, command):
|
||
|
|
self._pid = None
|
||
|
|
self._command = command
|
||
|
|
|
||
|
|
def get_name(self):
|
||
|
|
return self._command
|
||
|
|
|
||
|
|
def start(self):
|
||
|
|
splitted_cmd = self._command.split()
|
||
|
|
try:
|
||
|
|
self._pid = os.spawnvp(os.P_NOWAIT, splitted_cmd[0], splitted_cmd)
|
||
|
|
except Exception, e:
|
||
|
|
logging.error('Cannot run %s' % (self.get_name()))
|
||
|
|
|
||
|
|
def stop(self):
|
||
|
|
# FIXME Obviously we want to notify the processes to
|
||
|
|
# shut down rather then killing them down forcefully.
|
||
|
|
print 'Stopping %s (%d)' % (self.get_name(), self._pid)
|
||
|
|
os.kill(self._pid, signal.SIGTERM)
|
||
|
|
|
||
|
|
class ActivityProcess(Process):
|
||
|
|
def __init__(self, module):
|
||
|
|
Process.__init__(self, module.get_exec())
|
||
|
|
self._module = module
|
||
|
|
|
||
|
|
def get_name(self):
|
||
|
|
return self._module.get_name()
|
||
|
|
|
||
|
|
class DbusProcess(Process):
|
||
|
|
def __init__(self):
|
||
|
|
Process.__init__(self, "/bin/dbus-daemon --session --print-address")
|
||
|
|
|
||
|
|
def get_name(self):
|
||
|
|
return 'Dbus'
|
||
|
|
|
||
|
|
def start(self):
|
||
|
|
args = self._command.split()
|
||
|
|
(self._pid, ign1, dbus_stdout, ign3) = gobject.spawn_async(
|
||
|
|
args, flags=gobject.SPAWN_STDERR_TO_DEV_NULL, standard_output=True)
|
||
|
|
|
||
|
|
dbus_file = os.fdopen(dbus_stdout)
|
||
|
|
addr = dbus_file.readline()
|
||
|
|
addr = addr.strip()
|
||
|
|
dbus_file.close()
|
||
|
|
os.environ["DBUS_SESSION_BUS_ADDRESS"] = addr
|
||
|
|
|
||
|
|
class MatchboxProcess(Process):
|
||
|
|
def __init__(self):
|
||
|
|
Process.__init__(self, 'matchbox-window-manager -use_titlebar no')
|
||
|
|
|
||
|
|
def get_name(self):
|
||
|
|
return 'Matchbox'
|
||
|
|
|
||
|
|
class XephyrProcess(Process):
|
||
|
|
def __init__(self):
|
||
|
|
# FIXME How to pick a free display number?
|
||
|
|
self._display = 100
|
||
|
|
cmd = 'Xephyr :%d -ac -screen 640x480' % (self._display)
|
||
|
|
Process.__init__(self, cmd)
|
||
|
|
|
||
|
|
def get_name(self):
|
||
|
|
return 'Xephyr'
|
||
|
|
|
||
|
|
def start(self):
|
||
|
|
Process.start(self)
|
||
|
|
os.environ['DISPLAY'] = ":%d" % (self._display)
|
||
|
|
|
||
|
|
class Session:
|
||
|
|
"""Takes care of running the shell and all the sugar processes"""
|
||
|
|
|
||
|
|
def __init__(self):
|
||
|
|
self._processes = []
|
||
|
|
|
||
|
|
self._shell = Shell()
|
||
|
|
self._shell.connect('close', self._shell_close_cb)
|
||
|
|
self._shell.start()
|
||
|
|
|
||
|
|
def start(self):
|
||
|
|
"""Start the session"""
|
||
|
|
# FIXME We should not start this on the olpc
|
||
|
|
process = XephyrProcess()
|
||
|
|
self._processes.insert(0, process)
|
||
|
|
process.start()
|
||
|
|
|
||
|
|
process = DbusProcess()
|
||
|
|
self._processes.insert(0, process)
|
||
|
|
process.start()
|
||
|
|
|
||
|
|
process = MatchboxProcess()
|
||
|
|
self._processes.insert(0, process)
|
||
|
|
process.start()
|
||
|
|
|
||
|
|
registry = self._shell.get_registry()
|
||
|
|
for activity_module in registry.list_activities():
|
||
|
|
process = ActivityProcess(activity_module)
|
||
|
|
self._processes.insert(0, process)
|
||
|
|
process.start()
|
||
|
|
|
||
|
|
try:
|
||
|
|
import gtk
|
||
|
|
gtk.main()
|
||
|
|
except KeyboardInterrupt:
|
||
|
|
print 'Ctrl+C pressed, exiting...'
|
||
|
|
self.shutdown()
|
||
|
|
|
||
|
|
def _shell_close_cb(self, shell):
|
||
|
|
self.shutdown()
|
||
|
|
|
||
|
|
def shutdown(self):
|
||
|
|
for process in self._processes:
|
||
|
|
process.stop()
|