backend: - bridge async D-Bus method now automatically manage callback and errback, we just have to return a deferred

- getParams, getParamsForCategory and getParamsUI are now asynchronous
primitivus: management of asynchronous getParamsUI

frontends/src/bridge/DBus.py

@@ -111,17 +111,17 @@ class DBusBridgeFrontend(BridgeFrontend):
     def getParamA(self, name, category, attribute="value", profile_key="@DEFAULT@"):
         return unicode(self.db_core_iface.getParamA(name, category, attribute, profile_key))
 
-    def getParams(self, profile_key="@DEFAULT@"):
-        return unicode(self.db_core_iface.getParams(profile_key))
+    def getParams(self, profile_key="@DEFAULT@", callback=None, errback=None):
+        return unicode(self.db_core_iface.getParams(profile_key, reply_handler=callback, error_handler=lambda err:errback(err._dbus_error_name[len(const_ERROR_PREFIX)+1:])))
 
     def getParamsCategories(self, ):
         return self.db_core_iface.getParamsCategories()
 
-    def getParamsForCategory(self, category, profile_key="@DEFAULT@"):
-        return unicode(self.db_core_iface.getParamsForCategory(category, profile_key))
+    def getParamsForCategory(self, category, profile_key="@DEFAULT@", callback=None, errback=None):
+        return unicode(self.db_core_iface.getParamsForCategory(category, profile_key, reply_handler=callback, error_handler=lambda err:errback(err._dbus_error_name[len(const_ERROR_PREFIX)+1:])))
 
-    def getParamsUI(self, profile_key="@DEFAULT@"):
-        return unicode(self.db_core_iface.getParamsUI(profile_key))
+    def getParamsUI(self, profile_key="@DEFAULT@", callback=None, errback=None):
+        return unicode(self.db_core_iface.getParamsUI(profile_key, reply_handler=callback, error_handler=lambda err:errback(err._dbus_error_name[len(const_ERROR_PREFIX)+1:])))
 
     def getPresenceStatus(self, profile_key="@DEFAULT@"):
         return self.db_core_iface.getPresenceStatus(profile_key)

frontends/src/primitivus/primitivus

@@ -468,8 +468,12 @@ class PrimitivusApp(QuickApp):
         self.bridge.disconnect(self.profile)
 
     def onParam(self, menu):
-        params = XMLUI(self,xml_data=self.bridge.getParamsUI(self.profile))
-        self.addWindow(params)
+        def success(params):
+            self.addWindow(XMLUI(self,xml_data=params))
+        def failure(error):
+            self.showPopUp(sat_widgets.Alert(_("Error"), _("Can't get parameters"), ok_cb=self.removePopUp))
+        self.bridge.getParamsUI(self.profile, callback=success, errback=failure)
+        
 
     def onExitRequest(self, menu):
         QuickApp.onExit(self)

frontends/src/primitivus/profile_manager.py

@@ -148,5 +148,6 @@ class ProfileManager(urwid.WidgetWrap):
             self.host.bridge.setParam("Password", new_pass, "Connection", profile)
         self.host.plug_profile(profile)
             
-    def getParamError(self):
-        error(_("Can't get profile parameter"))
+    def getParamError(self, ignore):
+        popup = Alert("Error", _("Can't get profile parameter"), ok_cb=self.host.removePopUp)
+        self.host.showPopUp(popup)