Merge branch 'master' of git+ssh://dev.laptop.org/git/sugar

NEWS

@@ -1,3 +1,5 @@
+Added TimeoutAlert (erikos)
+
 Snapshot 68ff71a0cb
 
 Snapshot 29bc0a8a20

sugar/graphics/alert.py

@@ -1,8 +1,27 @@
+# Copyright (C) 2007, One Laptop Per Child
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the
+# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+# Boston, MA 02111-1307, USA.
+
 from gettext import gettext as _
 
 import gtk
 import gobject
-
+import hippo
+import math
+        
 from sugar.graphics import style
 from sugar.graphics.icon import Icon
 
@@ -28,7 +47,7 @@ class Alert(gtk.EventBox, gobject.GObject):
 
     __gsignals__ = {
         'response': (gobject.SIGNAL_RUN_FIRST,
-                        gobject.TYPE_NONE, ([int]))
+                        gobject.TYPE_NONE, ([object]))
         }
 
     __gproperties__ = {
@@ -69,7 +88,8 @@ class Alert(gtk.EventBox, gobject.GObject):
         self._hbox.pack_start(self._msg_box)
 
         self._buttons_box = gtk.HButtonBox()
-        self._buttons_box.set_layout(gtk.BUTTONBOX_SPREAD)
+        self._buttons_box.set_layout(gtk.BUTTONBOX_END)
+        self._buttons_box.set_spacing(style.DEFAULT_SPACING)
         self._hbox.pack_start(self._buttons_box)
         self._buttons_box.show()
 
@@ -99,17 +119,20 @@ class Alert(gtk.EventBox, gobject.GObject):
         elif pspec.name == 'msg':
             return self._msg
 
-    def add_button(self, response_id, label, icon, position=-1):
+    def add_button(self, response_id, label, icon=None, position=-1):
         """Add a button to the alert
 
         response_id: will be emitted with the response signal
+                     a response ID should one of the pre-defined
+                     GTK Response Type Constants or a positive number
         label: that will occure right to the buttom
         icon: this can be a SugarIcon or a gtk.Image
         position: the position of the button in the box (optional)
         """
         button = gtk.Button()
         self._buttons[response_id] = button
-        button.set_image(icon)
+        if icon is not None:
+            button.set_image(icon)
         button.set_label(label)
         self._buttons_box.pack_start(button)
         button.show()
@@ -142,11 +165,66 @@ class ConfirmationAlert(Alert):
         Alert.__init__(self, **kwargs)
 
         icon = Icon(icon_name='dialog-cancel')
-        cancel_button = self.add_button(0, _('Cancel'), icon)
+        cancel_button = self.add_button(gtk.RESPONSE_CANCEL, _('Cancel'), icon)
         icon.show()
 
         icon = Icon(icon_name='dialog-ok')
-        ok_button = self.add_button(1, _('Ok'), icon)
+        ok_button = self.add_button(gtk.RESPONSE_OK, _('Ok'), icon)
         icon.show()
 
 
+class _TimeoutIcon(hippo.CanvasText, hippo.CanvasItem):
+    __gtype_name__ = 'AlertTimeoutIcon'
+
+    def __init__(self, **kwargs):
+        hippo.CanvasText.__init__(self, **kwargs)
+        
+        self.props.orientation = hippo.ORIENTATION_HORIZONTAL
+        self.props.border_left = style.DEFAULT_SPACING
+        self.props.border_right = style.DEFAULT_SPACING
+            
+    def do_paint_background(self, cr, damaged_box):
+        [width, height] = self.get_allocation()
+        
+        x = width * 0.5
+        y = height * 0.5
+        radius = min(width * 0.5, height * 0.5)         
+        
+        hippo.cairo_set_source_rgba32(cr, self.props.background_color)
+        cr.arc(x, y, radius, 0, 2*math.pi)        
+        cr.fill_preserve()    
+
+
+class TimeoutAlert(Alert):
+    """This is a ready-made two button (Cancel,Continue) alert
+
+    It times out with a positive reponse after the given amount of seconds.
+    """
+
+    def __init__(self, timeout=5, **kwargs):
+        Alert.__init__(self, **kwargs)
+
+        self._timeout = timeout
+        
+        icon = Icon(icon_name='dialog-cancel')
+        cancel_button = self.add_button(gtk.RESPONSE_CANCEL, _('Cancel'), icon)
+        icon.show()
+        
+        self._timeout_text = _TimeoutIcon(
+            text=self._timeout,
+            color=style.COLOR_BUTTON_GREY.get_int(),
+            background_color=style.COLOR_WHITE.get_int())    
+        canvas = hippo.Canvas()
+        canvas.set_root(self._timeout_text)
+        canvas.show()                       
+        self.add_button(gtk.RESPONSE_OK, _('Continue'), canvas)
+
+        gobject.timeout_add(1000, self.__timeout)
+        
+    def __timeout(self):
+        self._timeout -= 1
+        self._timeout_text.props.text = self._timeout
+        if self._timeout == 0:
+            self._response(gtk.RESPONSE_OK)
+            return False
+        return True

sugar/presence/activity.py

@@ -26,9 +26,8 @@ _logger = logging.getLogger('sugar.presence.activity')
 class Activity(gobject.GObject):
     """UI interface for an Activity in the presence service
     
-    Activities in the presence service represent other user's
-    shared activities and your own activities (XXX shared or 
-    otherwise?)
+    Activities in the presence service represent your and other user's
+    shared activities.
     
     Properties:
         id 
@@ -69,8 +68,10 @@ class Activity(gobject.GObject):
         self._ps_del_object = del_obj_cb
         bobj = bus.get_object(self._PRESENCE_SERVICE, object_path)
         self._activity = dbus.Interface(bobj, self._ACTIVITY_DBUS_INTERFACE)
-        self._activity.connect_to_signal('BuddyJoined', self._buddy_joined_cb)
-        self._activity.connect_to_signal('BuddyLeft', self._buddy_left_cb)
+        self._activity.connect_to_signal('BuddyHandleJoined', 
+                                         self._buddy_handle_joined_cb)
+        self._activity.connect_to_signal('BuddyLeft',
+                                         self._buddy_left_cb)
         self._activity.connect_to_signal('NewChannel', self._new_channel_cb)
         self._activity.connect_to_signal('PropertiesChanged',
                                          self._properties_changed_cb,
@@ -90,6 +91,9 @@ class Activity(gobject.GObject):
         self._tags = None
         self._private = True
         self._joined = False
+        # Cache for get_buddy_by_handle, maps handles to buddy object paths
+        self._handle_to_buddy_path = {}
+        self._buddy_path_to_handle = {}
 
     def _get_properties_reply_cb(self, new_props):
         self._properties_changed_cb(new_props)
@@ -178,8 +182,10 @@ class Activity(gobject.GObject):
         self.emit('buddy-joined', self._ps_new_object(object_path))
         return False
 
-    def _buddy_joined_cb(self, object_path):
+    def _buddy_handle_joined_cb(self, object_path, handle):
         gobject.idle_add(self._emit_buddy_joined_signal, object_path)
+        self._handle_to_buddy_path[handle] = object_path
+        self._buddy_path_to_handle[object_path] = handle
 
     def _emit_buddy_left_signal(self, object_path):
         """Generate buddy-left GObject signal with presence Buddy object
@@ -191,6 +197,8 @@ class Activity(gobject.GObject):
 
     def _buddy_left_cb(self, object_path):
         gobject.idle_add(self._emit_buddy_left_signal, object_path)
+        handle = self._buddy_path_to_handle.pop(object_path)
+        self._handle_to_buddy_path.pop(handle, None)
 
     def _emit_new_channel_signal(self, object_path):
         """Generate new-channel GObject signal with channel object path 
@@ -214,6 +222,18 @@ class Activity(gobject.GObject):
             buddies.append(self._ps_new_object(item))
         return buddies
 
+    def get_buddy_by_handle(self, handle):
+        """Retrieve the Buddy object given a telepathy handle.
+        
+        buddy object paths are cached in self._handle_to_buddy_path,
+        so we can get the buddy without calling PS.
+        """
+        object_path = self._handle_to_buddy_path.get(handle, None)
+        if object_path:
+            buddy = self._ps_new_object(object_path)
+            return buddy
+        return None
+
     def invite(self, buddy, message, response_cb):
         """Invite the given buddy to join this activity.
 
@@ -244,9 +264,13 @@ class Activity(gobject.GObject):
     def get_channels(self):
         """Retrieve communications channel descriptions for the activity 
         
-        Returns (bus name, connection, channels) for the activity
-        
-        XXX what are those values?
+        Returns a tuple containing:
+            - the D-Bus well-known service name of the connection
+              (FIXME: this is redundant; in Telepathy it can be derived
+              from that of the connection)
+            - the D-Bus object path of the connection
+            - a list of D-Bus object paths representing the channels
+              associated with this activity
         """
         (bus_name, connection, channels) = self._activity.GetChannels()
         return bus_name, connection, channels
@@ -256,10 +280,8 @@ class Activity(gobject.GObject):
         self.emit("joined", False, "left activity")
 
     def _leave_error_cb(self, err):
-        """Callback for error in async leaving of shared activity.
-
-        XXX Add logging!"""
-        pass
+        """Callback for error in async leaving of shared activity."""
+        _logger.debug('Failed to leave activity: %s', err)
 
     def leave(self):
         """Leave this shared activity"""