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#!/usr/bin/python
# -*- tab-width: 4; indent-tabs-mode: t -*-
import string
import dbus
import dbus.service
import dbus.glib
import gobject
import pygtk
pygtk.require('2.0')
import gtk
import pango
activity_counter = 0
class ActivityHost(dbus.service.Object):
def __init__(self, activity_container, activity_name):
global activity_counter
self.activity_name = activity_name
self.ellipsize_tab = False
self.activity_container = activity_container
self.activity_id = activity_counter
activity_counter += 1
self.dbus_object_name = "/com/redhat/Sugar/Shell/Activities/%d"%self.activity_id
print "object name = %s"%self.dbus_object_name
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(gtk.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()
notebook = self.activity_container.notebook
index = notebook.append_page(self.socket, hbox)
notebook.set_current_page(index)
def __close_button_clicked_reply_cb(self):
pass
def __close_button_clicked_error_cb(self, error):
pass
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="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="", \
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):
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)
widget.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 ActivityContainer(dbus.service.Object):
def __init__(self, service, bus):
self.activities = []
self.bus = bus
self.service = service
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.set_title("OLPC Sugar")
self.window.resize(640, 480)
self.window.set_geometry_hints(min_width = 640, max_width = 640, min_height = 480, max_height = 480)
self.notebook = gtk.Notebook()
tab_label = gtk.Label("My Laptop")
empty_label = gtk.Label("This activity could launch other activities / be a help page")
empty_label.show()
self.notebook.append_page(empty_label, tab_label)
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.window.show()
self.current_activity = None
def __focus_reply_cb(self):
pass
def __focus_error_cb(self, error):
pass
def notebook_tab_changed(self, notebook, page, page_number):
print "in notebook_tab_changed"
new_activity = notebook.get_nth_page(page_number).get_data("sugar-activity")
print " Current activity: ", self.current_activity
print " New activity: ", new_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)
self.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:
self.activities.remove((owner, activity))
self.__print_activities()
@dbus.service.method("com.redhat.Sugar.Shell.ActivityContainer", \
in_signature="s", \
out_signature="i", \
sender_keyword="sender")
def add_activity(self, activity_name, sender):
print "hello world, activity_name = '%s', sender = '%s'"%(activity_name, sender)
activity = ActivityHost(self, activity_name)
self.activities.append((sender, activity))
self.__print_activities()
return activity.get_host_activity_id()
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 main():
session_bus = dbus.SessionBus()
service = dbus.service.BusName("com.redhat.Sugar.Shell", bus=session_bus)
activityContainer = ActivityContainer(service, session_bus)
gtk.main()
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