More cleanups and some fixes

shell/Emulator.py

@@ -0,0 +1,27 @@
+import os
+
+from Process import Process
+
+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 Emulator:
+	"""The OLPC emulator"""
+
+	def __init__(self):
+		pass
+	
+	def start(self):
+		process = XephyrProcess()
+		process.start()

shell/Makefile.am

@@ -2,12 +2,14 @@ bin_SCRIPTS = sugar
 
 sugardir = $(pkgdatadir)/shell
 sugar_PYTHON =				\
-	__init__.py				\
+	__init__.py			\
 	ActivityRegistry.py		\
 	ConsoleLogger.py		\
-	Owner.py				\
+	Emulator.py			\
+	Owner.py			\
 	HomeWindow.py			\
 	PresenceWindow.py		\
+	Process.py			\
 	Session.py			\
 	Shell.py
 

shell/Process.py

@@ -0,0 +1,16 @@
+import gobject
+
+class Process:
+	def __init__(self, command):
+		self._pid = None
+		self._command = command
+	
+	def get_name(self):
+		return self._command
+	
+	def start(self):
+		args = self._command.split()
+		flags = gobject.SPAWN_SEARCH_PATH or gobject.SPAWN_STDERR_TO_DEV_NULL
+		result = gobject.spawn_async(args, flags=flags, standard_output=True)
+		self._pid = result[0]
+		self._stdout = result[2]

shell/Session.py

@@ -1,30 +1,9 @@
 import os
-import signal
+import gtk
-
+import sugar.theme
-import gobject
 
 from Shell import Shell
-
+from Process import Process
-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):
@@ -36,17 +15,15 @@ class ActivityProcess(Process):
 
 class DbusProcess(Process):
 	def __init__(self):
-		Process.__init__(self, "/bin/dbus-daemon --session --print-address")
+		Process.__init__(self, "dbus-daemon --session --print-address")
 
 	def get_name(self):
 		return 'Dbus'
 
 	def start(self):
-		args = self._command.split()
+		Process.start(self)
-		(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)
+		dbus_file = os.fdopen(self._stdout)
 		addr = dbus_file.readline()
 		addr = addr.strip()
 		dbus_file.close()
@@ -59,61 +36,29 @@ class MatchboxProcess(Process):
 	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 = []
+		sugar.theme.setup()
 		
 		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()

shell/Shell.py

@@ -1,6 +1,5 @@
 import dbus
 import gtk
-import gobject
 import wnck
 
 from sugar.LogWriter import LogWriter
@@ -33,15 +32,8 @@ class ShellDbusService(dbus.service.Object):
 	def toggle_console(self):
 		self._shell.toggle_console()	
 
-class Shell(gobject.GObject):
+class Shell:
-	__gsignals__ = {
-		'close': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
-				 ([])),
-	}
-
 	def __init__(self):
-		gobject.GObject.__init__(self)
-
 		self._screen = wnck.screen_get_default()
 
 	def start(self):
@@ -132,11 +124,3 @@ class Shell(gobject.GObject):
 
 	def get_registry(self):
 		return self._registry
-
-if __name__ == "__main__":
-	shell = Shell()
-	shell.start()
-	try:
-		gtk.main()
-	except KeyboardInterrupt:
-		print 'Ctrl+c pressed, exiting...'

shell/sugar

@@ -5,6 +5,8 @@ import os
 import pwd
 import random
 
+from Emulator import Emulator
+
 def add_to_python_path(path):
 	sys.path.insert(0, path)
 	if os.environ.has_key('PYTHONPATH'):
@@ -13,6 +15,10 @@ def add_to_python_path(path):
 	else:
 		os.environ['PYTHONPATH'] = path
 
+# FIXE Don't run the emulator on the OLPC
+emulator = Emulator()
+emulator.start()
+
 i = 0
 for arg in sys.argv:
 	if arg == '--test-user':

sugar/Makefile.am

@@ -7,6 +7,7 @@ sugar_PYTHON =			\
 	bots.py				\
 	env.py				\
 	keybindings.py		\
+	theme.py			\
 	util.py				\
 	LogWriter.py
 

sugar/__init__.py

@@ -1,11 +0,0 @@
-import pygtk
-pygtk.require('2.0')
-import gtk
-
-settings = gtk.settings_get_default()
-	
-if settings.get_property('gtk-theme-name') != 'olpc':
-	settings.set_string_property('gtk-theme-name', 'olpc', '')
-
-if settings.get_property('gtk-icon-theme-name') != 'olpc':
-	settings.set_string_property('gtk-icon-theme-name', 'olpc', '')

sugar/activity/Activity.py

@@ -11,6 +11,7 @@ import gtk, gobject
 from sugar.LogWriter import LogWriter
 from sugar import keybindings
 import sugar.util
+import sugar.theme
 
 SHELL_SERVICE_NAME = "caom.redhat.Sugar.Shell"
 SHELL_SERVICE_PATH = "/com/redhat/Sugar/Shell"
@@ -82,18 +83,10 @@ def create(activity_name, service = None, args = None):
 	else:
 		factory.create()		
 
-def _get_registry():
-	bus = dbus.SessionBus()
-	proxy_obj = bus.get_object("com.redhat.Sugar.ActivityRegistry",
-							   "/com/redhat/Sugar/ActivityRegistry")
-	return dbus.Interface(proxy_obj, "com.redhat.Sugar.ActivityRegistry")
-
-def list_activities():
-	registry = _get_registry()
-	return registry.list_activities()
-
 def main(activity_name, activity_class):
 	"""Starts the activity main loop."""
+	sugar.theme.setup()
+
 	log_writer = LogWriter(activity_name)
 	log_writer.start()
 

sugar/theme.py

@@ -0,0 +1,10 @@
+import gtk
+
+def setup():
+	settings = gtk.settings_get_default()
+		
+	if settings.get_property('gtk-theme-name') != 'olpc':
+		settings.set_string_property('gtk-theme-name', 'olpc', '')
+
+	if settings.get_property('gtk-icon-theme-name') != 'olpc':
+		settings.set_string_property('gtk-icon-theme-name', 'olpc', '')