Make each activity have a default type for sharing

examples/gmail.py

@@ -8,9 +8,11 @@ import geckoembed
 from sugar.shell import activity
 import sugar.env
 
+_GMAIL_ACTIVITY_TYPE = "_gmail_google._tcp"
+
 class GMailActivity(activity.Activity):
 	def __init__(self):
-		activity.Activity.__init__(self)
+		activity.Activity.__init__(self, _GMAIL_ACTIVITY_TYPE)
 	
 	def on_connected_to_shell(self):
 		profile_path = os.path.join(sugar.env.get_user_dir(), 'gmail')

sugar/browser/BrowserActivity.py

@@ -22,7 +22,7 @@ class BrowserActivity(activity.Activity):
 	LEADING = 3
 
 	def __init__(self, uri):
-		activity.Activity.__init__(self)
+		activity.Activity.__init__(self, _BROWSER_ACTIVITY_TYPE)
 		self.uri = uri
 		self._mode = BrowserActivity.SOLO
 		self._pservice = PresenceService.get_instance()

sugar/shell/activity.py

@@ -77,10 +77,10 @@ class ActivityDbusService(dbus.service.Object):
 												   SHELL_SERVICE_NAME + ".ActivityContainer")
 
 		if activity_id is None:
-			self._activity_id = self._activity_container.add_activity("")
+			self._activity_id = self._activity_container.add_activity("", self._activity.default_type())
 		else:
 			self._activity_id = activity_id
-			self._activity_container.add_activity_with_id("", activity_id)
+			self._activity_container.add_activity_with_id("", self._activity.default_type(), activity_id)
 			
 		self._object_path = SHELL_SERVICE_PATH + "/Activities/%s" % self._activity_id
 
@@ -144,7 +144,7 @@ class ActivityDbusService(dbus.service.Object):
 class Activity(object):
 	"""Base Activity class that all other Activities derive from."""
 
-	def __init__(self):
+	def __init__(self, default_type):
 		self._dbus_service = self._get_new_dbus_service()
 		self._dbus_service.register_callback(ON_CONNECTED_TO_SHELL_CB, self._internal_on_connected_to_shell_cb)
 		self._dbus_service.register_callback(ON_DISCONNECTED_FROM_SHELL_CB, self._internal_on_disconnected_from_shell_cb)
@@ -156,6 +156,9 @@ class Activity(object):
 		self._has_focus = False
 		self._plug = None
 		self._activity_object = None
+		if type(default_type) != type("") or not len(default_type):
+			raise ValueError("Default type must be a valid string.")
+		self._default_type = default_type
 
 	def _cleanup(self):
 		if self._plug:
@@ -173,6 +176,9 @@ class Activity(object):
 		Allows subclasses to use their own dbus service object if they choose."""
 		return ActivityDbusService(self)
 
+	def default_type(self):
+		return self._default_type
+
 	def has_focus(self):
 		"""Return whether or not this Activity is visible to the user."""
 		return self._has_focus

sugar/shell/shell.py

@@ -17,7 +17,7 @@ from sugar.chat.GroupChat import GroupChat
 
 class ActivityHost(dbus.service.Object):
 
-	def __init__(self, activity_container, activity_name, activity_id = None):
+	def __init__(self, activity_container, activity_name, default_type, activity_id = None):
 		self.activity_name = activity_name
 		self.ellipsize_tab = False
 
@@ -27,6 +27,7 @@ class ActivityHost(dbus.service.Object):
 			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
 		
@@ -83,6 +84,9 @@ class ActivityHost(dbus.service.Object):
 	def get_chat(self):
 		return self._group_chat
 
+	def get_default_type(self):
+		return self._default_type
+
 	def __close_button_clicked_reply_cb(self):
 		pass
 
@@ -364,12 +368,12 @@ class ActivityContainer(dbus.service.Object):
 
 
 	@dbus.service.method("com.redhat.Sugar.Shell.ActivityContainer", \
-			 in_signature="s", \
+			 in_signature="ss", \
 			 out_signature="s", \
 			 sender_keyword="sender")
-	def add_activity(self, activity_name, sender):
+	def add_activity(self, activity_name, default_type, sender):
 		#print "hello world, activity_name = '%s', sender = '%s'"%(activity_name, sender)
-		activity = ActivityHost(self, activity_name)
+		activity = ActivityHost(self, activity_name, default_type)
 		self.activities.append((sender, activity))
 
 		activity_id = activity.get_host_activity_id()
@@ -379,10 +383,10 @@ class ActivityContainer(dbus.service.Object):
 		return activity_id
 
 	@dbus.service.method("com.redhat.Sugar.Shell.ActivityContainer", \
-			 in_signature="ss", \
+			 in_signature="sss", \
 			 sender_keyword="sender")
-	def add_activity_with_id(self, activity_name, activity_id, sender):
+	def add_activity_with_id(self, activity_name, default_type, activity_id, sender):
-		activity = ActivityHost(self, activity_name, activity_id)
+		activity = ActivityHost(self, activity_name, default_type, activity_id)
 		self.activities.append((sender, activity))
 		activity_id = activity.get_host_activity_id()
 		self._signal_helper.activity_started(activity_id)