1 files changed, 89 insertions, 0 deletions
diff --git a/timer-applet/src/timerapplet/core/AppletMateConfWrapper.py b/timer-applet/src/timerapplet/core/AppletMateConfWrapper.py
new file mode 100644
index 00000000..c5d09619
--- /dev/null
+++ b/timer-applet/src/timerapplet/core/AppletMateConfWrapper.py
@@ -0,0 +1,89 @@
+# Copyright (C) 2008 Jimmy Do <[email protected]>
+#
+# 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+from os import path
+import mateconf
+
+class AppletMateConfWrapper(object):
+    def __init__(self, applet, schema_path, standalone_key):
+        object.__init__(self)
+        self._connection_ids = []
+        
+        self._client = mateconf.client_get_default()
+        
+        # Get preferences key path for the given applet instance.
+        self._base_path = applet.get_preferences_key()
+        if self._base_path is not None:
+            # Apply the schema to the applet instance preferences key.
+            applet.add_preferences(schema_path)
+        else:
+            # NOTE: Don't need to apply schema here because the Timer Applet schema file
+            # already specifies that the schema be automatically applied to the standalone key.
+            
+            self._base_path = standalone_key
+            
+            # Applet would usually do this for us, but since we're running in standalone mode,
+            # we have to do this ourselves in order to receive MateConf change notifications.
+            self._client.add_dir(self._base_path, mateconf.CLIENT_PRELOAD_RECURSIVE) 
+            
+        print 'Base prefs path = %s' % self._base_path
+        
+    def get_base_path(self):
+        return self._base_path
+        
+    def add_notification(self, relative_key, callback, data=None):
+        """Register for notifications of changes to the given preference key.
+        
+        relative_key should be relative to the applet's base preferences key path.
+        callback should look like: callback(MateConfValue, data=None)
+        """
+        connection_id = self._client.notify_add(self._get_full_path(relative_key),
+                                                self._notification_callback, (callback, data))
+        self._connection_ids.append(connection_id)
+    
+    def get_string(self, relative_key):
+        return self._client.get_string(self._get_full_path(relative_key))
+        
+    def get_bool(self, relative_key):
+        return self._client.get_bool(self._get_full_path(relative_key))
+    
+    def set_string(self, relative_key, val):
+        self._client.set_string(self._get_full_path(relative_key), val)
+        
+    def set_bool(self, relative_key, val):
+        self._client.set_bool(self._get_full_path(relative_key), val)
+        
+    def delete(self):
+        for connection_id in self._connection_ids:
+            self._client.notify_remove(connection_id)
+        self._connection_ids = []
+            
+    def _notification_callback(self, client, cnxn_id, entry, data=None):
+        (callback, real_data) = data
+        
+        # mateconf_value is of type MateConfValue (mateconf.Value)
+        mateconf_value = entry.get_value()
+        
+        # Ignore when mateconf_value is None because that
+        # means that the settings are being removed
+        # because the applet has been removed from
+        # the panel.
+        if mateconf_value != None:
+            callback(mateconf_value, real_data)
+            
+    def _get_full_path(self, relative_key):
+        return path.join(self._base_path, relative_key)
+