Big refactor of the directory structure and packages to

reflect private/public

1 files changed, 516 insertions, 0 deletions

diff --git a/shell/shell.py b/shell/shell.py
new file mode 100755
index 0000000..18eceeb
--- /dev/null
+++ b/shell/shell.py
@@ -0,0 +1,516 @@
+import dbus
+import dbus.service
+import dbus.glib
+
+import pygtk
+pygtk.require('2.0')
+import gtk
+import pango
+import gobject
+
+import sugar.util
+from sugar.chat.ChatWindow import ChatWindow
+from sugar.chat.GroupChat import GroupChat
+from sugar.session.LogWriter import LogWriter
+
+from Owner import ShellOwner
+from StartPage import StartPage
+from WindowManager import WindowManager
+from PresenceWindow import PresenceWindow
+
+class ActivityHost(dbus.service.Object):
+
+	def __init__(self, activity_container, activity_name, default_type, activity_id = None):
+		self.activity_name = activity_name
+		self.ellipsize_tab = False
+
+		self.activity_container = activity_container
+		
+		if activity_id is None:
+			self.activity_id = sugar.util.unique_id()
+		else:
+			self.activity_id = activity_id
+		self._default_type = default_type	
+	
+		self.dbus_object_name = "/com/redhat/Sugar/Shell/Activities/%s" % self.activity_id
+		
+		dbus.service.Object.__init__(self, activity_container.service, self.dbus_object_name)
+		self.socket = gtk.Socket()
+		self.socket.set_data("sugar-activity", self)
+		self.socket.show()
+		
+		hbox = gtk.HBox(False, 4);
+
+		self.tab_activity_image = gtk.Image()
+		self.tab_activity_image.set_from_stock(gtk.STOCK_CONVERT, gtk.ICON_SIZE_MENU)
+		hbox.pack_start(self.tab_activity_image)
+		#self.tab_activity_image.show()		
+		
+		self.label_hbox = gtk.HBox(False, 4);
+		self.label_hbox.connect("style-set", self.__tab_label_style_set_cb)
+		hbox.pack_start(self.label_hbox)
+
+		self.tab_label = gtk.Label(self.activity_name)
+		self.tab_label.set_single_line_mode(True)
+		self.tab_label.set_alignment(0.0, 0.5)
+		self.tab_label.set_padding(0, 0)
+		self.tab_label.show()
+		
+		close_image = gtk.Image()
+		close_image.set_from_stock (gtk.STOCK_CLOSE, gtk.ICON_SIZE_MENU)
+		close_image.show()
+		
+		self.tab_close_button = gtk.Button()
+		rcstyle = gtk.RcStyle();
+		rcstyle.xthickness = rcstyle.ythickness = 0;
+		self.tab_close_button.modify_style (rcstyle);
+		self.tab_close_button.add(close_image)
+		self.tab_close_button.set_relief(gtk.RELIEF_NONE)
+		self.tab_close_button.set_focus_on_click(False)
+		self.tab_close_button.connect("clicked", self.tab_close_button_clicked)
+		
+		self.label_hbox.pack_start(self.tab_label)
+		self.label_hbox.pack_start(self.tab_close_button, False, False, 0)
+		self.label_hbox.show()
+		
+		hbox.show()
+
+		self._create_chat()
+				
+		notebook = self.activity_container.notebook
+		index = notebook.append_page(self.socket, hbox)
+		notebook.set_current_page(index)
+		
+	def _create_chat(self):
+		self._group_chat = GroupChat(self)
+
+	def get_chat(self):
+		return self._group_chat
+
+	def get_default_type(self):
+		return self._default_type
+
+	def __close_button_clicked_reply_cb(self):
+		pass
+
+	def __close_button_clicked_error_cb(self, error):
+		pass
+	
+	def publish(self):
+		self._group_chat.publish()
+		self.peer_service.publish()
+	
+	def tab_close_button_clicked(self, button):
+		self.peer_service.close_from_user(reply_handler = self.__close_button_clicked_reply_cb, \
+										  error_handler = self.__close_button_clicked_error_cb)
+
+	@dbus.service.method("com.redhat.Sugar.Shell.ActivityHost", \
+							 in_signature="", \
+							 out_signature="t")
+	def get_host_xembed_id(self):
+		window_id = self.socket.get_id()
+		#print "window_id = %d"%window_id
+		return window_id
+
+	@dbus.service.method("com.redhat.Sugar.Shell.ActivityHost", \
+			 in_signature="ss", \
+			 out_signature="")
+	def set_peer_service_name(self, peer_service_name, peer_object_name):
+		#print "peer_service_name = %s, peer_object_name = %s"%(peer_service_name, peer_object_name)
+		self.__peer_service_name = peer_service_name
+		self.__peer_object_name = peer_object_name
+		self.peer_service = dbus.Interface(self.activity_container.bus.get_object( \
+				self.__peer_service_name, self.__peer_object_name), \
+										   "com.redhat.Sugar.Activity")
+
+	@dbus.service.method("com.redhat.Sugar.Shell.ActivityHost", \
+			 in_signature="b", \
+			 out_signature="")
+	def set_ellipsize_tab(self, ellipsize):
+		self.ellipsize_tab = True
+		self.update_tab_size()
+
+	@dbus.service.method("com.redhat.Sugar.Shell.ActivityHost", \
+			 in_signature="b", \
+			 out_signature="")
+	def set_can_close(self, can_close):
+		if can_close:
+			self.tab_close_button.show()
+		else:
+			self.tab_close_button.hide()
+
+	@dbus.service.method("com.redhat.Sugar.Shell.ActivityHost", \
+			 in_signature="b", \
+			 out_signature="")
+	def set_tab_show_icon(self, show_icon):
+		if show_icon:
+			self.tab_activity_image.show()
+		else:
+			self.tab_activity_image.hide()
+
+	@dbus.service.method("com.redhat.Sugar.Shell.ActivityHost", \
+			 in_signature="b", \
+			 out_signature="")
+	def set_has_changes(self, has_changes):
+		if has_changes:
+			attrs = pango.AttrList()
+			attrs.insert(pango.AttrForeground(50000, 0, 0, 0, -1))
+			attrs.insert(pango.AttrWeight(pango.WEIGHT_BOLD, 0, -1))
+			self.tab_label.set_attributes(attrs)
+		else:
+			self.tab_label.set_attributes(pango.AttrList())
+
+	@dbus.service.method("com.redhat.Sugar.Shell.ActivityHost", \
+			 in_signature="s", \
+			 out_signature="")
+	def set_tab_text(self, text):
+		self.tab_label.set_text(text)
+
+	@dbus.service.method("com.redhat.Sugar.Shell.ActivityHost", \
+			 in_signature="ayibiiii", \
+			 out_signature="")
+	def set_tab_icon(self, data, colorspace, has_alpha, bits_per_sample, width, height, rowstride):
+	    #print "width=%d, height=%d"%(width, height)
+		#print "  data = ", data
+		pixstr = ""
+		for c in data:
+			# Work around for a bug in dbus < 0.61 where integers
+			# are not correctly marshalled
+			if c < 0:
+				c += 256
+			pixstr += chr(c)
+
+		pixbuf = gtk.gdk.pixbuf_new_from_data(pixstr, colorspace, has_alpha, bits_per_sample, width, height, rowstride)
+		#print pixbuf
+		self.tab_activity_image.set_from_pixbuf(pixbuf)
+
+	@dbus.service.method("com.redhat.Sugar.Shell.ActivityHost", \
+						 in_signature="", \
+						 out_signature="")
+	def shutdown(self):
+		#print "shutdown"
+		for owner, activity in self.activity_container.activities[:]:
+			if activity == self:
+				self.activity_container.activities.remove((owner, activity))
+				
+		for i in range(self.activity_container.notebook.get_n_pages()):
+			child = self.activity_container.notebook.get_nth_page(i)
+			if child == self.socket:
+				#print "found child"
+				self.activity_container.notebook.remove_page(i)
+				break
+
+		del self
+
+	def get_host_activity_id(self):
+		"""Real function that the shell should use for getting the
+		activity's ID."""
+		return self.activity_id
+
+	def get_id(self):
+		"""Interface-type function to match activity.Activity's
+		get_id() function."""
+		return self.activity_id
+
+	def get_object_path(self):
+		return self.dbus_object_name
+
+	def update_tab_size(self):
+		if self.ellipsize_tab:
+			self.tab_label.set_ellipsize(pango.ELLIPSIZE_END)
+
+			context = self.label_hbox.get_pango_context()
+			font_desc = self.label_hbox.style.font_desc
+			metrics = context.get_metrics(font_desc, context.get_language())
+			char_width = metrics.get_approximate_digit_width()
+			[w, h] = self.__get_close_icon_size()
+			tab_width = 15 * pango.PIXELS(char_width) + 2 * w
+			self.label_hbox.set_size_request(tab_width, -1);
+		else:
+			self.tab_label.set_ellipsize(pango.ELLIPSIZE_NONE)
+			self.label_hbox.set_size_request(-1, -1)
+
+	def __get_close_icon_size(self):
+		settings = self.label_hbox.get_settings()
+		return gtk.icon_size_lookup_for_settings(settings, gtk.ICON_SIZE_MENU)
+
+	def __tab_label_style_set_cb(self, widget, previous_style):
+		[w, h] = self.__get_close_icon_size()
+		self.tab_close_button.set_size_request (w + 5, h + 2)
+		self.update_tab_size()
+
+class ActivityContainerSignalHelper(gobject.GObject):
+	"""A gobject whose sole purpose is to distribute signals for
+	an ActivityContainer object."""
+
+	__gsignals__ = {
+		'local-activity-started': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
+						([gobject.TYPE_PYOBJECT, gobject.TYPE_PYOBJECT])),
+		'local-activity-ended': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
+						([gobject.TYPE_PYOBJECT, gobject.TYPE_PYOBJECT]))
+	}
+
+	def __init__(self, parent):
+		gobject.GObject.__init__(self)
+		self._parent = parent
+
+	def activity_started(self, activity_id):
+		self.emit('local-activity-started', self._parent, activity_id)
+
+	def activity_ended(self, activity_id):
+		self.emit('local-activity-ended', self._parent, activity_id)
+
+class ActivityContainer(dbus.service.Object):
+
+	def __init__(self, service, bus):
+		self.activities = []
+
+		self.bus = bus
+		self.service = service
+
+		self._signal_helper = ActivityContainerSignalHelper(self)
+
+		dbus.service.Object.__init__(self, self.service, "/com/redhat/Sugar/Shell/ActivityContainer")
+		bus.add_signal_receiver(self.name_owner_changed, dbus_interface = "org.freedesktop.DBus", signal_name = "NameOwnerChanged")
+
+		self.window = gtk.Window()
+		self.window.connect("key-press-event", self.__key_press_event_cb)
+		self.window.set_title("OLPC Sugar")
+
+		self._fullscreen = False
+
+		self.notebook = gtk.Notebook()
+
+		tab_label = gtk.Label("Everyone")
+		self._start_page = StartPage(self._signal_helper)
+		self.notebook.append_page(self._start_page, tab_label)
+		self._start_page.show()
+
+		self.notebook.show()
+		self.notebook.connect("switch-page", self.notebook_tab_changed)
+		self.window.add(self.notebook)
+		
+		self.window.connect("destroy", lambda w: gtk.main_quit())
+		
+		self.current_activity = None
+
+		# Create our owner service
+		self._owner = ShellOwner()
+
+		self._presence_window = PresenceWindow(self)
+		self._presence_window.set_transient_for(self.window)
+		self._presence_window.set_decorated(False)
+		self._presence_window.set_type_hint(gtk.gdk.WINDOW_TYPE_HINT_DOCK)
+		self._presence_window.set_skip_taskbar_hint(True)
+
+		wm = WindowManager(self._presence_window)
+	
+		wm.set_width(0.15, WindowManager.SCREEN_RELATIVE)
+		wm.set_height(1.0, WindowManager.SCREEN_RELATIVE)
+		wm.set_position(WindowManager.LEFT)
+		wm.manage()
+		
+		self._chat_window = ChatWindow()
+		self._chat_window.set_transient_for(self.window)
+		self._chat_window.set_type_hint(gtk.gdk.WINDOW_TYPE_HINT_DOCK)
+		self._chat_window.set_decorated(False)
+		self._chat_window.set_skip_taskbar_hint(True)
+
+		self._chat_wm = WindowManager(self._chat_window)
+		
+		self._chat_wm.set_width(0.5, WindowManager.SCREEN_RELATIVE)
+		self._chat_wm.set_height(0.5, WindowManager.SCREEN_RELATIVE)
+		self._chat_wm.set_position(WindowManager.TOP)
+		self._chat_wm.manage()
+
+	def show(self):
+		self.window.show()
+
+	def __focus_reply_cb(self):
+		pass
+
+	def __focus_error_cb(self, error):
+		pass
+
+	def set_current_activity(self, activity):
+		self.current_activity = activity
+		self._presence_window.set_activity(activity)
+
+		if activity:
+			host_chat = activity.get_chat()
+			self._chat_window.set_chat(host_chat)
+
+		# For some reason the substitution screw up window position
+		self._chat_wm.update()
+
+	def notebook_tab_changed(self, notebook, page, page_number):
+		new_activity = notebook.get_nth_page(page_number).get_data("sugar-activity")
+
+		if self.current_activity != None:
+			if self.has_activity(self.current_activity):
+				self.current_activity.peer_service.lost_focus(reply_handler = self.__focus_reply_cb, error_handler = self.__focus_error_cb)
+		
+		#if self.has_activity(new_activity):
+		self.set_current_activity(new_activity)
+
+		if self.current_activity != None:
+			if self.has_activity(self.current_activity):
+				self.current_activity.peer_service.got_focus(reply_handler = self.__focus_reply_cb, error_handler = self.__focus_error_cb)
+
+
+	def has_activity(self, activity_to_check_for):
+		for owner, activity in self.activities[:]:
+			if activity_to_check_for == activity:
+				return True
+		return False
+	
+
+	def name_owner_changed(self, service_name, old_service_name, new_service_name):
+		#print "in name_owner_changed: svc=%s oldsvc=%s newsvc=%s"%(service_name, old_service_name, new_service_name)
+		for owner, activity in self.activities[:]:
+			if owner == old_service_name:
+				activity_id = activity.get_host_activity_id()
+				self._signal_helper.activity_ended(activity_id)
+				self.activities.remove((owner, activity))
+		#self.__print_activities()
+
+
+	@dbus.service.method("com.redhat.Sugar.Shell.ActivityContainer", \
+			 in_signature="ss", \
+			 out_signature="s", \
+			 sender_keyword="sender")
+	def add_activity(self, activity_name, default_type, sender):
+		#print "hello world, activity_name = '%s', sender = '%s'"%(activity_name, sender)
+		activity = ActivityHost(self, activity_name, default_type)
+		self.activities.append((sender, activity))
+
+		activity_id = activity.get_host_activity_id()
+		self._signal_helper.activity_started(activity_id)
+
+		self.current_activity = activity
+		return activity_id
+
+	@dbus.service.method("com.redhat.Sugar.Shell.ActivityContainer", \
+			 in_signature="sss", \
+			 sender_keyword="sender")
+	def add_activity_with_id(self, activity_name, default_type, activity_id, sender):
+		activity = ActivityHost(self, activity_name, default_type, activity_id)
+		self.activities.append((sender, activity))
+		activity_id = activity.get_host_activity_id()
+		self._signal_helper.activity_started(activity_id)
+		self.current_activity = activity
+		
+	def __print_activities(self):
+		print "__print_activities: %d activities registered" % len(self.activities)
+		i = 0
+		for owner, activity in self.activities:
+			print "  %d: owner=%s activity_object_name=%s" % (i, owner, activity.dbus_object_name)
+			i += 1
+	
+	def __key_press_event_cb(self, window, event):
+		if event.keyval == gtk.keysyms.F11:
+			if self._fullscreen:
+				window.unfullscreen()
+				self._fullscreen = False
+			else:
+				window.fullscreen()
+				self._fullscreen = True			
+
+class ConsoleLogger(dbus.service.Object):
+	def __init__(self):
+		session_bus = dbus.SessionBus()
+		bus_name = dbus.service.BusName('com.redhat.Sugar.Logger', bus=session_bus)
+		object_path = '/com/redhat/Sugar/Logger'
+		dbus.service.Object.__init__(self, bus_name, object_path)
+
+		self._window = gtk.Window()
+		self._window.set_title("Console")
+		self._window.set_default_size(640, 480)
+		self._window.connect("delete_event", lambda w, e: w.hide_on_delete())
+		
+		self._nb = gtk.Notebook()
+		self._window.add(self._nb)
+		self._nb.show()
+				
+		self._consoles = {}
+
+	def set_parent_window(self, window):
+		window.connect("key-press-event", self.__key_press_event_cb)
+		self._window.connect("key-press-event", self.__key_press_event_cb)
+		
+	def __key_press_event_cb(self, window, event):
+		if event.keyval == gtk.keysyms.d and \
+		   event.state & gtk.gdk.CONTROL_MASK:
+			if self._window.get_property('visible'):
+				self._window.hide()
+			else:
+				self._window.show()
+
+	def _create_console(self, application):
+		sw = gtk.ScrolledWindow()
+		sw.set_policy(gtk.POLICY_AUTOMATIC,
+					  gtk.POLICY_AUTOMATIC)
+		
+		console = gtk.TextView()
+		console.set_wrap_mode(gtk.WRAP_WORD)
+		
+		sw.add(console)
+		console.show()
+		
+		self._nb.append_page(sw, gtk.Label(application))
+		sw.show()
+		
+		return console
+
+	@dbus.service.method('com.redhat.Sugar.Logger')
+	def log(self, application, message):
+		if self._consoles.has_key(application):
+			console = self._consoles[application]
+		else:
+			console = self._create_console(application)
+			self._consoles[application] = console
+	
+		buf = console.get_buffer() 
+		buf.insert(buf.get_end_iter(), message)
+
+class Shell(gobject.GObject):
+	__gsignals__ = {
+		'close': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
+				 ([])),
+	}
+
+	def __init__(self):
+		gobject.GObject.__init__(self)
+
+	def start(self):
+		console = ConsoleLogger()
+
+		log_writer = LogWriter("Shell", False)
+		log_writer.start()
+
+		session_bus = dbus.SessionBus()
+		service = dbus.service.BusName("com.redhat.Sugar.Shell", bus=session_bus)
+
+		activity_container = ActivityContainer(service, session_bus)
+		activity_container.window.connect('destroy', self.__activity_container_destroy_cb)
+		activity_container.show()
+
+		wm = WindowManager(activity_container.window)
+		wm.set_width(640, WindowManager.ABSOLUTE)
+		wm.set_height(480, WindowManager.ABSOLUTE)
+		wm.set_position(WindowManager.CENTER)
+		wm.show()
+		wm.manage()
+		
+		console.set_parent_window(activity_container.window)
+
+	def __activity_container_destroy_cb(self, activity_container):
+		self.emit('close')
+
+if __name__ == "__main__":
+	shell = Shell()
+	shell.start()
+	try:
+		gtk.main()
+	except KeyboardInterrupt:
+		print 'Ctrl+c pressed, exiting...'