270 lines
8.2 KiB
Python
270 lines
8.2 KiB
Python
import dbus
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import gtk
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import gobject
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class ActivityHostSignalHelper(gobject.GObject):
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__gsignals__ = {
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'shared': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([]))
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}
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def __init__(self, parent):
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gobject.GObject.__init__(self)
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self._parent = parent
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def emit_shared(self):
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self.emit('shared')
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class ActivityHost(dbus.service.Object):
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def __init__(self, activity_container, activity_name, default_type, activity_id = None):
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self.peer_service = None
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self.activity_name = activity_name
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self.ellipsize_tab = False
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self._shared = False
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self._signal_helper = ActivityHostSignalHelper(self)
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self.activity_container = activity_container
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if activity_id is None:
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self.activity_id = sugar.util.unique_id()
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else:
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self.activity_id = activity_id
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self._default_type = default_type
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self.dbus_object_name = "/com/redhat/Sugar/Shell/Activities/%s" % self.activity_id
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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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self._create_chat()
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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 _create_chat(self):
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self._activity_chat = ActivityChat(self)
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def got_focus(self):
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if self.peer_service != None:
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self.peer_service.got_focus()
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def lost_focus(self):
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self.peer_service.lost_focus()
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def get_chat(self):
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return self._activity_chat
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def get_default_type(self):
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return self._default_type
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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 publish(self):
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self._activity_chat.publish()
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self.peer_service.publish()
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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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def connect(self, signal, func):
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self._signal_helper.connect(signal, func)
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def get_shared(self):
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"""Return True if this activity is shared, False if
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it has not been shared yet."""
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return self._shared
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def _shared_signal(self):
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self._shared = True
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self._signal_helper.emit_shared()
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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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self.activity_container.bus.add_signal_receiver(self._shared_signal,
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signal_name="ActivityShared",
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dbus_interface="com.redhat.Sugar.Activity",
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named_service=self.__peer_service_name,
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path=self.__peer_object_name)
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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="b", \
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out_signature="")
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def set_has_changes(self, has_changes):
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if has_changes:
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attrs = pango.AttrList()
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attrs.insert(pango.AttrForeground(50000, 0, 0, 0, -1))
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attrs.insert(pango.AttrWeight(pango.WEIGHT_BOLD, 0, -1))
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self.tab_label.set_attributes(attrs)
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else:
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self.tab_label.set_attributes(pango.AttrList())
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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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# Work around for a bug in dbus < 0.61 where integers
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# are not correctly marshalled
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if c < 0:
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c += 256
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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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"""Real function that the shell should use for getting the
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activity's ID."""
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return self.activity_id
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def get_id(self):
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"""Interface-type function to match activity.Activity's
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get_id() function."""
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return self.activity_id
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def default_type(self):
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"""Interface-type function to match activity.Activity's
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default_type() function."""
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return self._default_type
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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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