Refactor the bundle registry. Move it inside

the shell and expose the parts that should be
public to the shell dbus service.

bin/sugar-activity

@@ -20,6 +20,7 @@ import sys
 import os
 from ConfigParser import ConfigParser
 
+from sugar.activity import ActivityRegistry
 from sugar import env
 
 # Setup the environment so that we run inside the Sugar shell
@@ -33,7 +34,6 @@ import gtk
 import dbus
 import dbus.glib
 
-from sugar.activity import bundleregistry
 from sugar.activity import activityfactory
 from sugar.activity import activityfactoryservice
 
@@ -48,13 +48,15 @@ def _error_cb(handler, err):
 def print_help(self):
     sys.exit(0)
 
-bundle = None
+activity_info = None
 
 if len(sys.argv) > 1:
-    registry = bundleregistry.get_registry()
-    bundle = registry.find_bundle(sys.argv[1])
+    registry = ActivityRegistry()
+    activities = registry.get_activities_for_name(sys.argv[1])
+    if len(activities) > 0:
+        activity_info = activities[0]
 
-if bundle == None:
+if activity_info == None:
     print 'Usage:\n\n' \
           'sugar-activity [bundle]\n\n' \
           'Bundle can be a part of the service name or of bundle name.'
@@ -64,16 +66,16 @@ bus = dbus.SessionBus()
 bus_object = bus.get_object('org.freedesktop.DBus', '/org/freedesktop/DBus')
 try:
     name = bus_object.GetNameOwner(
-        bundle.get_service_name(), dbus_interface='org.freedesktop.DBus')
+        activity_info.service_name, dbus_interface='org.freedesktop.DBus')
 except  dbus.DBusException:
     name = None
 
 if name:
     print '%s is already running, creating a new instance.' % bundle.get_service_name()
 else:
-    activityfactoryservice.run(bundle.get_path())
+    activityfactoryservice.run(activity_info.path)
 
-handler = activityfactory.create(bundle.get_service_name())
+handler = activityfactory.create(activity_info.service_name)
 handler.connect('success', _success_cb, name != None)
 handler.connect('error', _error_cb)
 

shell/model/Makefile.am

@@ -4,6 +4,7 @@ sugardir = $(pkgdatadir)/shell/model
 sugar_PYTHON =			\
 	__init__.py		\
 	accesspointmodel.py	\
+	bundleregistry.py	\
 	BuddyModel.py		\
 	Friends.py		\
 	Invites.py		\

shell/model/MeshModel.py

@@ -18,7 +18,8 @@ import gobject
 
 from sugar.graphics.xocolor import XoColor
 from sugar.presence import presenceservice
-from sugar.activity import bundleregistry
+
+from model import bundleregistry
 from model.BuddyModel import BuddyModel
 from model.accesspointmodel import AccessPointModel
 from hardware import hardwaremanager

shell/model/bundleregistry.py

@@ -1,19 +1,18 @@
-# Copyright (C) 2007, Red Hat, Inc.
+# Copyright (C) 2006, Red Hat, Inc.
 #
-# 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 program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU 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,
+# This program 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.
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU 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.
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 
 import os
 
@@ -74,18 +73,6 @@ class BundleRegistry(gobject.GObject):
         self._search_path = []
         self._service_manager = _ServiceManager()
 
-    def find_bundle(self, key):
-        """Find a bundle in the registry"""
-        key = key.lower()
-
-        for bundle in self._bundles.values():
-            name = bundle.get_name().lower()
-            service_name = bundle.get_service_name().lower()
-            if name.find(key) != -1 or service_name.find(key) != -1:
-                return bundle
-
-        return None
-
     def get_bundle(self, service_name):
         """Returns an bundle given his service name"""
         if self._bundles.has_key(service_name):

shell/model/homemodel.py

@@ -22,7 +22,7 @@ import dbus
 
 from model.homeactivity import HomeActivity
 from model.homerawwindow import HomeRawWindow
-from sugar.activity import bundleregistry
+from model import bundleregistry
 
 _SERVICE_NAME = "org.laptop.Activity"
 _SERVICE_PATH = "/org/laptop/Activity"

shell/shellservice.py

@@ -1,11 +1,30 @@
+# Copyright (C) 2006, Red Hat, Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
 """D-bus service providing access to the shell's functionality"""
 import dbus
 
-from sugar.activity import bundleregistry
+from sugar.activity import ActivityRegistry
+from sugar.activity import ActivityInfo
+
+from model import bundleregistry
 
 _DBUS_SERVICE = "org.laptop.Shell"
-_DBUS_INTERFACE = "org.laptop.Shell"
-_DBUS_OWNER_INTERFACE = "org.laptop.Shell.Owner"
+_DBUS_ACTIVITY_REGISTRY_IFACE = "org.laptop.Shell.ActivityRegistry"
+_DBUS_OWNER_IFACE = "org.laptop.Shell.Owner"
 _DBUS_PATH = "/org/laptop/Shell"
 
 class ShellService(dbus.service.Object):
@@ -35,14 +54,16 @@ class ShellService(dbus.service.Object):
         self._owner.connect('color-changed', self._owner_color_changed_cb)
 
         self._home_model = self._shell_model.get_home()
-        self._home_model.connect('active-activity-changed', self._cur_activity_changed_cb)
+        self._home_model.connect('active-activity-changed',
+                                 self._cur_activity_changed_cb)
 
         bus = dbus.SessionBus()
         bus_name = dbus.service.BusName(_DBUS_SERVICE, bus=bus)
         dbus.service.Object.__init__(self, bus_name, _DBUS_PATH)
 
-    @dbus.service.method(_DBUS_INTERFACE, in_signature="s", out_signature="b")
-    def add_bundle(self, bundle_path):
+    @dbus.service.method(_DBUS_ACTIVITY_REGISTRY_IFACE,
+                         in_signature="s", out_signature="b")
+    def AddBundle(self, bundle_path):
         """Register the activity bundle with the global registry 
         
         bundle_path -- path to the activity bundle's root directory,
@@ -55,28 +76,42 @@ class ShellService(dbus.service.Object):
         registry = bundleregistry.get_registry()
         return registry.add_bundle(bundle_path)
 
-    @dbus.service.signal(_DBUS_OWNER_INTERFACE, signature="s")
+    @dbus.service.method(_DBUS_ACTIVITY_REGISTRY_IFACE,
+                         in_signature="s", out_signature="aa{sv}")
+    def GetActivitiesForName(self, name):
+        result = []
+        key = name.lower()
+
+        for bundle in bundleregistry.get_registry():
+            name = bundle.get_name().lower()
+            service_name = bundle.get_service_name().lower()
+            if name.find(key) != -1 or service_name.find(key) != -1:
+                result.append(self._get_activity_info(bundle).to_dict())
+
+        return result
+
+    @dbus.service.signal(_DBUS_OWNER_IFACE, signature="s")
     def ColorChanged(self, color):
         pass
 
     def _owner_color_changed_cb(self, new_color):
         self.ColorChanged(new_color.to_string())
 
-    @dbus.service.signal(_DBUS_OWNER_INTERFACE, signature="s")
+    @dbus.service.signal(_DBUS_OWNER_IFACE, signature="s")
     def NickChanged(self, nick):
         pass
 
     def _owner_nick_changed_cb(self, new_nick):
         self.NickChanged(new_nick)
 
-    @dbus.service.signal(_DBUS_OWNER_INTERFACE, signature="ay")
+    @dbus.service.signal(_DBUS_OWNER_IFACE, signature="ay")
     def IconChanged(self, icon_data):
         pass
 
     def _owner_icon_changed_cb(self, new_icon):
         self.IconChanged(dbus.ByteArray(new_icon))
 
-    @dbus.service.signal(_DBUS_OWNER_INTERFACE, signature="s")
+    @dbus.service.signal(_DBUS_OWNER_IFACE, signature="s")
     def CurrentActivityChanged(self, activity_id):
         pass
 
@@ -85,3 +120,7 @@ class ShellService(dbus.service.Object):
         if new_activity:
             new_id = new_activity.get_activity_id()
         self.CurrentActivityChanged(new_id)
+
+    def _get_activity_info(self, bundle):
+        return ActivityInfo(bundle.get_name(), bundle.get_icon(),
+                            bundle.get_service_name(), bundle.get_path())

shell/view/Shell.py

@@ -20,14 +20,16 @@ import logging
 import gobject
 import wnck
 
-from view.home.HomeWindow import HomeWindow
 from sugar.activity.activityhandle import ActivityHandle
 from sugar.graphics.popupcontext import PopupContext
+from sugar.activity import activityfactory
+import sugar
+
 from view.ActivityHost import ActivityHost
-from sugar.activity import activityfactory, bundleregistry
 from view.frame.frame import Frame
 from view.keyhandler import KeyHandler
-import sugar
+from view.home.HomeWindow import HomeWindow
+from model import bundleregistry
 
 class Shell(gobject.GObject):
     def __init__(self, model):

shell/view/frame/ActivitiesBox.py

@@ -20,9 +20,10 @@ import logging
 from sugar.graphics import units
 from sugar.graphics.xocolor import XoColor
 from sugar.graphics.iconbutton import IconButton
-from sugar.activity import bundleregistry
 from sugar import profile
 
+from model import bundleregistry
+
 class ActivityButton(IconButton):
     def __init__(self, activity, popup_context):
         IconButton.__init__(self, icon_name=activity.get_icon(),

shell/view/home/FriendView.py

@@ -17,11 +17,12 @@
 import hippo
 import gobject
 
-from view.BuddyIcon import BuddyIcon
 from sugar.graphics.canvasicon import CanvasIcon
 from sugar.graphics import units
 from sugar.presence import presenceservice
-from sugar.activity import bundleregistry
+
+from model import bundleregistry
+from view.BuddyIcon import BuddyIcon
 
 class FriendView(hippo.CanvasBox):
     def __init__(self, shell, menu_shell, buddy, **kwargs):

sugar/activity/Makefile.am

@@ -8,4 +8,4 @@ sugar_PYTHON =				\
 	activityservice.py		\
 	bundle.py			\
 	bundlebuilder.py		\
-	bundleregistry.py
+	registry.py

sugar/activity/__init__.py

@@ -10,16 +10,7 @@ takes a small dictionary with values corresponding to a
 
     sugar.activity.activityhandle.ActivityHandle
 
-describing an individual instance of the activity.  The 
-ActivityFactory service is registered with dbus using the 
-global
-
-    sugar.activity.bundleregistry.BundleRegistry 
-
-service, which creates dbus .service files in a well known
-directory.  Those files tell dbus what executable to run 
-in order to load the ActivityFactory which will provide 
-the creation service.
+describing an individual instance of the activity.
 
 Each activity so registered is described by a
 
@@ -45,3 +36,6 @@ class.  This class allows for querying the ID of the root
 window, requesting sharing across the network, and basic
 "what type of application are you" queries.
 """
+
+from sugar.activity.registry import ActivityRegistry
+from sugar.activity.registry import ActivityInfo

sugar/activity/activity.py

@@ -28,7 +28,6 @@ import gtk, gobject
 
 from sugar.presence import presenceservice
 from sugar.activity.activityservice import ActivityService
-from sugar.activity import bundleregistry
 from sugar.graphics.window import Window
 from sugar.graphics.toolbox import Toolbox
 from sugar.graphics.toolbutton import ToolButton
@@ -209,7 +208,6 @@ class Activity(Window, gtk.Container):
             self.jobject = datastore.create()
             self.jobject['title'] = '%s %s' % (get_bundle_name(), 'Activity')
             self.jobject['activity'] = self.get_service_name()
-            self.jobject['icon'] = self._get_icon()
             self.jobject['keep'] = '0'
             self.jobject['buddies'] = ''
             self.jobject['preview'] = ''
@@ -332,10 +330,6 @@ class Activity(Window, gtk.Container):
                 raise
         self.destroy()
 
-    def _get_icon(self):
-        registry = bundleregistry.get_registry()
-        return registry.get_bundle(self.get_service_name()).get_icon()
-
 def get_bundle_name():
     """Return the bundle name for the current process' bundle
     """

sugar/activity/activityfactory.py

@@ -89,8 +89,7 @@ class ActivityCreationHandler(gobject.GObject):
         
         The specific service which creates new instances of this 
         particular type of activity is created during the activity
-        registration process in 
-        sugar.activity.bundleregistry.BundleRegistry which creates 
+        registration process in shell bundle registry which creates 
         service definition files for each registered bundle type.
         """
         gobject.GObject.__init__(self)

sugar/activity/bundle.py

@@ -151,10 +151,6 @@ class Bundle:
         """Get the activity service name"""
         return self._service_name
 
-    def get_object_path(self):
-        """Get the path to the service object"""
-        return '/' + self._service_name.replace('.', '/')
-
     def get_icon(self):
         """Get the activity icon name"""
         return self._icon

sugar/activity/registry.py

@@ -0,0 +1,58 @@
+# Copyright (C) 2006, Red Hat, Inc.
+#
+# 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.
+
+import dbus
+
+_SHELL_SERVICE = "org.laptop.Shell"
+_SHELL_PATH = "/org/laptop/Shell"
+_REGISTRY_IFACE = "org.laptop.Shell.ActivityRegistry"
+
+def _activity_info_from_dict(info_dict):
+    return ActivityInfo(info_dict['name'], info_dict['icon'],
+                        info_dict['service_name'], info_dict['path'])
+
+class ActivityInfo(object):
+    def __init__(self, name, icon, service_name, path):
+        self.name = name
+        self.icon = icon
+        self.service_name = service_name
+        self.path = path
+
+    def to_dict(self):
+        return { 'name'         : self.name,
+                 'icon'         : self.icon,
+                 'service_name' : self.service_name,
+                 'path'         : self.path
+                }
+
+class ActivityRegistry(object):
+    def __init__(self):
+        bus = dbus.SessionBus()
+        bus_object = bus.get_object(_SHELL_SERVICE, _SHELL_PATH)
+        self._registry = dbus.Interface(bus_object, _REGISTRY_IFACE)
+
+    def get_activities_for_name(self, name):
+        result = []
+
+        activities = self._registry.GetActivitiesForName(name)
+        for info_dict in activities:
+            result.append(_activity_info_from_dict(info_dict))
+
+        return result
+
+    def get_activities_for_type(self, mime_type):
+        pass