diff options
Diffstat (limited to 'shell/ActivityHost.py')
| -rw-r--r-- | shell/ActivityHost.py | 269 |
1 files changed, 269 insertions, 0 deletions
diff --git a/shell/ActivityHost.py b/shell/ActivityHost.py new file mode 100644 index 0000000..1d61beb --- /dev/null +++ b/shell/ActivityHost.py @@ -0,0 +1,269 @@ +import dbus +import gtk +import gobject + +class ActivityHostSignalHelper(gobject.GObject): + __gsignals__ = { + 'shared': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])) + } + + def __init__(self, parent): + gobject.GObject.__init__(self) + self._parent = parent + + def emit_shared(self): + self.emit('shared') + +class ActivityHost(dbus.service.Object): + def __init__(self, activity_container, activity_name, default_type, activity_id = None): + self.peer_service = None + + self.activity_name = activity_name + self.ellipsize_tab = False + self._shared = False + + self._signal_helper = ActivityHostSignalHelper(self) + + 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._activity_chat = ActivityChat(self) + + def got_focus(self): + if self.peer_service != None: + self.peer_service.got_focus() + + def lost_focus(self): + self.peer_service.lost_focus() + + def get_chat(self): + return self._activity_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._activity_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 + + def connect(self, signal, func): + self._signal_helper.connect(signal, func) + + def get_shared(self): + """Return True if this activity is shared, False if + it has not been shared yet.""" + return self._shared + + def _shared_signal(self): + self._shared = True + self._signal_helper.emit_shared() + + @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") + self.activity_container.bus.add_signal_receiver(self._shared_signal, + signal_name="ActivityShared", + dbus_interface="com.redhat.Sugar.Activity", + named_service=self.__peer_service_name, + path=self.__peer_object_name) + + @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 default_type(self): + """Interface-type function to match activity.Activity's + default_type() function.""" + return self._default_type + + 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() |