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306 lines
9.5 KiB
Python
306 lines
9.5 KiB
Python
#!/usr/bin/python
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# -*- tab-width: 4; indent-tabs-mode: t -*-
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import string
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import dbus
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import dbus.service
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import dbus.glib
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import gobject
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import pygtk
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pygtk.require('2.0')
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import gtk
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import pango
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activity_counter = 0
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class ActivityHost(dbus.service.Object):
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def __init__(self, activity_container, activity_name):
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global activity_counter
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self.activity_name = activity_name
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self.ellipsize_tab = False
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self.activity_container = activity_container
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self.activity_id = activity_counter
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activity_counter += 1
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self.dbus_object_name = "/com/redhat/Sugar/Shell/Activities/%d"%self.activity_id
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#print "object name = %s"%self.dbus_object_name
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dbus.service.Object.__init__(self, activity_container.service, self.dbus_object_name)
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self.socket = gtk.Socket()
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self.socket.set_data("sugar-activity", self)
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self.socket.show()
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hbox = gtk.HBox(False, 4);
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self.tab_activity_image = gtk.Image()
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self.tab_activity_image.set_from_stock(gtk.STOCK_CONVERT, gtk.ICON_SIZE_MENU)
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hbox.pack_start(self.tab_activity_image)
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#self.tab_activity_image.show()
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self.label_hbox = gtk.HBox(False, 4);
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self.label_hbox.connect("style-set", self.__tab_label_style_set_cb)
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hbox.pack_start(self.label_hbox)
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self.tab_label = gtk.Label(self.activity_name)
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self.tab_label.set_single_line_mode(True)
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self.tab_label.set_alignment(0.0, 0.5)
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self.tab_label.set_padding(0, 0)
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self.tab_label.show()
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close_image = gtk.Image()
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close_image.set_from_stock (gtk.STOCK_CLOSE, gtk.ICON_SIZE_MENU)
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close_image.show()
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self.tab_close_button = gtk.Button()
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rcstyle = gtk.RcStyle();
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rcstyle.xthickness = rcstyle.ythickness = 0;
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self.tab_close_button.modify_style (rcstyle);
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self.tab_close_button.add(close_image)
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self.tab_close_button.set_relief(gtk.RELIEF_NONE)
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self.tab_close_button.set_focus_on_click(False)
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self.tab_close_button.connect("clicked", self.tab_close_button_clicked)
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self.label_hbox.pack_start(self.tab_label)
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self.label_hbox.pack_start(self.tab_close_button, False, False, 0)
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self.label_hbox.show()
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hbox.show()
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notebook = self.activity_container.notebook
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index = notebook.append_page(self.socket, hbox)
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notebook.set_current_page(index)
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def __close_button_clicked_reply_cb(self):
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pass
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def __close_button_clicked_error_cb(self, error):
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pass
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def tab_close_button_clicked(self, button):
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self.peer_service.close_from_user(reply_handler = self.__close_button_clicked_reply_cb, \
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error_handler = self.__close_button_clicked_error_cb)
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@dbus.service.method("com.redhat.Sugar.Shell.ActivityHost", \
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in_signature="", \
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out_signature="t")
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def get_host_xembed_id(self):
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window_id = self.socket.get_id()
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#print "window_id = %d"%window_id
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return window_id
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@dbus.service.method("com.redhat.Sugar.Shell.ActivityHost", \
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in_signature="ss", \
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out_signature="")
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def set_peer_service_name(self, peer_service_name, peer_object_name):
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#print "peer_service_name = %s, peer_object_name = %s"%(peer_service_name, peer_object_name)
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self.__peer_service_name = peer_service_name
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self.__peer_object_name = peer_object_name
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self.peer_service = dbus.Interface(self.activity_container.bus.get_object( \
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self.__peer_service_name, self.__peer_object_name), \
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"com.redhat.Sugar.Activity")
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@dbus.service.method("com.redhat.Sugar.Shell.ActivityHost", \
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in_signature="b", \
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out_signature="")
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def set_ellipsize_tab(self, ellipsize):
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self.ellipsize_tab = True
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self.update_tab_size()
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@dbus.service.method("com.redhat.Sugar.Shell.ActivityHost", \
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in_signature="b", \
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out_signature="")
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def set_can_close(self, can_close):
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if can_close:
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self.tab_close_button.show()
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else:
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self.tab_close_button.hide()
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@dbus.service.method("com.redhat.Sugar.Shell.ActivityHost", \
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in_signature="b", \
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out_signature="")
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def set_tab_show_icon(self, show_icon):
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if show_icon:
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self.tab_activity_image.show()
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else:
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self.tab_activity_image.hide()
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@dbus.service.method("com.redhat.Sugar.Shell.ActivityHost", \
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in_signature="s", \
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out_signature="")
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def set_tab_text(self, text):
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self.tab_label.set_text(text)
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@dbus.service.method("com.redhat.Sugar.Shell.ActivityHost", \
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in_signature="ayibiiii", \
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out_signature="")
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def set_tab_icon(self, data, colorspace, has_alpha, bits_per_sample, width, height, rowstride):
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#print "width=%d, height=%d"%(width, height)
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#print " data = ", data
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pixstr = ""
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for c in data:
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pixstr += chr(c)
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pixbuf = gtk.gdk.pixbuf_new_from_data(pixstr, colorspace, has_alpha, bits_per_sample, width, height, rowstride)
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#print pixbuf
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self.tab_activity_image.set_from_pixbuf(pixbuf)
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@dbus.service.method("com.redhat.Sugar.Shell.ActivityHost", \
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in_signature="", \
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out_signature="")
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def shutdown(self):
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#print "shutdown"
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for owner, activity in self.activity_container.activities[:]:
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if activity == self:
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self.activity_container.activities.remove((owner, activity))
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for i in range(self.activity_container.notebook.get_n_pages()):
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child = self.activity_container.notebook.get_nth_page(i)
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if child == self.socket:
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#print "found child"
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self.activity_container.notebook.remove_page(i)
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break
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del self
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def get_host_activity_id(self):
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return self.activity_id
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def get_object_path(self):
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return self.dbus_object_name
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def update_tab_size(self):
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if self.ellipsize_tab:
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self.tab_label.set_ellipsize(pango.ELLIPSIZE_END)
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context = self.label_hbox.get_pango_context()
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font_desc = self.label_hbox.style.font_desc
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metrics = context.get_metrics(font_desc, context.get_language())
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char_width = metrics.get_approximate_digit_width()
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[w, h] = self.__get_close_icon_size()
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tab_width = 15 * pango.PIXELS(char_width) + 2 * w
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self.label_hbox.set_size_request(tab_width, -1);
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else:
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self.tab_label.set_ellipsize(pango.ELLIPSIZE_NONE)
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self.label_hbox.set_size_request(-1, -1)
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def __get_close_icon_size(self):
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settings = self.label_hbox.get_settings()
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return gtk.icon_size_lookup_for_settings(settings, gtk.ICON_SIZE_MENU)
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def __tab_label_style_set_cb(self, widget, previous_style):
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[w, h] = self.__get_close_icon_size()
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self.tab_close_button.set_size_request (w + 5, h + 2)
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self.update_tab_size()
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class ActivityContainer(dbus.service.Object):
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def __init__(self, service, bus):
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self.activities = []
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self.bus = bus
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self.service = service
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dbus.service.Object.__init__(self, self.service, "/com/redhat/Sugar/Shell/ActivityContainer")
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bus.add_signal_receiver(self.name_owner_changed, dbus_interface = "org.freedesktop.DBus", signal_name = "NameOwnerChanged")
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self.window = gtk.Window()
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self.window.set_title("OLPC Sugar")
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self.window.resize(640, 480)
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self.window.set_geometry_hints(min_width = 640, max_width = 640, min_height = 480, max_height = 480)
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self.notebook = gtk.Notebook()
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#tab_label = gtk.Label("My Laptop")
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#empty_label = gtk.Label("This activity could launch other activities / be a help page")
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#empty_label.show()
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#self.notebook.append_page(empty_label, tab_label)
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self.notebook.show()
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self.notebook.connect("switch-page", self.notebook_tab_changed)
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self.window.add(self.notebook)
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self.window.connect("destroy", lambda w: gtk.main_quit())
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self.window.show()
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self.current_activity = None
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def __focus_reply_cb(self):
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pass
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def __focus_error_cb(self, error):
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pass
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def notebook_tab_changed(self, notebook, page, page_number):
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#print "in notebook_tab_changed"
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#print notebook.get_nth_page(page_number)
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new_activity = notebook.get_nth_page(page_number).get_data("sugar-activity")
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#print " Current activity: ", self.current_activity
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#print " New activity: ", new_activity
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if self.current_activity != None:
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if self.has_activity(self.current_activity):
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self.current_activity.peer_service.lost_focus(reply_handler = self.__focus_reply_cb, error_handler = self.__focus_error_cb)
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self.current_activity = new_activity
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if self.current_activity != None:
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if self.has_activity(self.current_activity):
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self.current_activity.peer_service.got_focus(reply_handler = self.__focus_reply_cb, error_handler = self.__focus_error_cb)
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def has_activity(self, activity_to_check_for):
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for owner, activity in self.activities[:]:
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if activity_to_check_for == activity:
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return True
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return False
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def name_owner_changed(self, service_name, old_service_name, new_service_name):
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#print "in name_owner_changed: svc=%s oldsvc=%s newsvc=%s"%(service_name, old_service_name, new_service_name)
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for owner, activity in self.activities[:]:
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if owner == old_service_name:
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self.activities.remove((owner, activity))
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#self.__print_activities()
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@dbus.service.method("com.redhat.Sugar.Shell.ActivityContainer", \
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in_signature="s", \
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out_signature="i", \
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sender_keyword="sender")
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def add_activity(self, activity_name, sender):
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#print "hello world, activity_name = '%s', sender = '%s'"%(activity_name, sender)
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activity = ActivityHost(self, activity_name)
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self.activities.append((sender, activity))
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#self.__print_activities()
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return activity.get_host_activity_id()
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def __print_activities(self):
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print "__print_activities: %d activities registered"%len(self.activities)
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i = 0
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for owner, activity in self.activities:
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print " %d: owner=%s activity_object_name=%s"%(i, owner, activity.dbus_object_name)
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i += 1
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def main():
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session_bus = dbus.SessionBus()
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service = dbus.service.BusName("com.redhat.Sugar.Shell", bus=session_bus)
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activityContainer = ActivityContainer(service, session_bus)
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try:
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gtk.main()
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except KeyboardInterrupt:
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pass
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if __name__=="__main__":
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main()
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