Change notification for browser sharing

sugar/browser/browser.py

@@ -258,6 +258,7 @@ class BrowserActivity(activity.Activity):
 		self.activity_set_tab_text(embed.get_title())
 
 	def __shared_location_changed_cb(self, model, key):
+		self.activity_set_has_changes(True)
 		self._notify_shared_location_change()
 
 	def _notify_shared_location_change(self):

sugar/chat/chat.py

@@ -116,19 +116,19 @@ class Chat(activity.Activity):
 		chat_vbox = gtk.VBox()
 		chat_vbox.set_spacing(6)
 
-		self._chat_sw = gtk.ScrolledWindow()
-		self._chat_sw.set_shadow_type(gtk.SHADOW_IN)
-		self._chat_sw.set_policy(gtk.POLICY_NEVER, gtk.POLICY_ALWAYS)
+		sw = gtk.ScrolledWindow()
+		sw.set_shadow_type(gtk.SHADOW_IN)
+		sw.set_policy(gtk.POLICY_NEVER, gtk.POLICY_ALWAYS)
 		self._chat_view = richtext.RichTextView()
 		self._chat_view.connect("link-clicked", self.__link_clicked_cb)
 		self._chat_view.set_editable(False)
 		self._chat_view.set_cursor_visible(False)
 		self._chat_view.set_pixels_above_lines(7)
 		self._chat_view.set_left_margin(5)
-		self._chat_sw.add(self._chat_view)
+		sw.add(self._chat_view)
 		self._chat_view.show()
-		chat_vbox.pack_start(self._chat_sw)
-		self._chat_sw.show()
+		chat_vbox.pack_start(sw)
+		sw.show()
 
 		self._editor_nb = self._create_chat_editor()
 		chat_vbox.pack_start(self._editor_nb, False)
@@ -280,26 +280,34 @@ class Chat(activity.Activity):
 		print "act %d: in activity_on_close_from_user" % self.activity_get_id()
 		self.activity_shutdown()
 
-	def activity_on_lost_focus(self):
-		activity.Activity.activity_on_lost_focus(self)
-
-	def activity_on_got_focus(self):
-		activity.Activity.activity_on_got_focus(self)
-		self.activity_set_has_changes(False)
-
-    def _scroll_chat_view_to_bottom(self):
-        # Only scroll to bottom if the view is already close to the bottom
-        vadj = self._chat_sw.get_vadjustment()
-        if vadj.value + vadj.page_size > vadj.upper * 0.8:
-            vadj.value = vadj.upper - vadj.page_size
-            self._chat_sw.set_vadjustment(vadj)
-
 	def _message_inserted(self):
-		if not self.get_has_focus():
 		self.activity_set_has_changes(True)
-        gobject.idle_add(self._scroll_chat_view_to_bottom)
+
+		# Scroll to the last message in the window
+		buf = self._chat_view.get_buffer()
+
+		# HACK: see _insert_buddy() for the second part of this hack.
+		# Since I can't seem to get GtkTextView to scroll so that the
+		# entire last line is visbile, insert a second newline after
+		# every chat message.  Remove that newline in _insert_buddy()
+		aniter = buf.get_end_iter()
+		buf.insert(aniter, "\n")
+
+		lines = buf.get_line_count()
+		aniter = buf.get_iter_at_line_offset(lines - 1, 0)
+		self._chat_view.scroll_to_iter(aniter, 0.0, use_align=True, xalign=0.0, yalign=0.0)
 
 	def _insert_buddy(self, buf, nick):
+		# HACK: see _message_inserted() for the first part of this hack.
+		# Since I can't seem to get GtkTextView to scroll so that the
+		# entire last line is visbile, _message_inserted() puts a second
+		# newline after every chat message.  Remove that newline here.
+		aniter = buf.get_end_iter()
+		aniter.backward_char()
+		enditer = buf.get_end_iter()
+		if buf.get_text(aniter, enditer) == '\n':
+			buf.delete(aniter, enditer)
+
 		# Stuff in the buddy icon, if we have one for this buddy
 		buddy = self._controller.get_group().get_buddy(nick)
 		icon = buddy.get_icon_pixbuf()

sugar/shell/activity.py

@@ -106,7 +106,10 @@ class Activity(dbus.service.Object):
 						 out_signature="")
 						 
 	def activity_set_has_changes(self, has_changes):
-		self.__activity_object.set_has_changes(has_changes)
+		if not self.get_has_focus() and has_changes:
+			self.__activity_object.set_has_changes(True)
+		else:
+			self.__activity_object.set_has_changes(False)
 
 	@dbus.service.method("com.redhat.Sugar.Activity", \
 						 in_signature="", \
@@ -170,7 +173,9 @@ class Activity(dbus.service.Object):
 		self._has_focus = False;
 
 	def activity_on_got_focus(self):
+		print 'got focus'
 		self._has_focus = True
+		self.activity_set_has_changes(False)
 
 	# pure virtual methods