* Handle IM_NOTIFICATION.

* Shows notifications when contacts go online or offline. Unfortunately XMPP plugins will send presence notifications when the roster is populate so presence notification is shown for every online contact when the roster list view is populated the first time.

application/CayaProtocolMessages.h

@@ -13,11 +13,11 @@ enum message_what_codes {
 	//! All client <> protocol communication uses this what-code
 	IM_MESSAGE						= 'IMme',
 
-	//! Used for all error messages
+	//! Used for very important (blocking) error messages
 	IM_ERROR						= 'IMer',
 
 	//! Returned after a request has succeded
-	IM_ACTION_PERFORMED				= 'IMok'
+	IM_ACTION_PERFORMED				= 'IMap'
 };
 
 /**
@@ -158,6 +158,9 @@ enum im_what_code {
 	//! Progress message received, could be login sequence, file transfer etc...
 	IM_PROGRESS						= 140,
 
+	//! Notifications
+	IM_NOTIFICATION					= 141,
+
 	/*
 	 * Special messages
 	 */

application/MainWindow.cpp

@@ -21,7 +21,9 @@
 #include <GroupLayout.h>
 #include <GroupLayoutBuilder.h>
 #include <MenuItem.h>
+#include <Notification.h>
 #include <PopUpMenu.h>
+#include <Roster.h>
 #include <SpaceLayoutItem.h>
 #include <ScrollView.h>
 #include <StringView.h>
@@ -221,22 +223,51 @@ MainWindow::ImMessage(BMessage* msg)
 			RosterItem*	rosterItem = fServer->RosterItemForId(msg->FindString("id"));
 
 			if (rosterItem) {
-				// Add or remove item
 				UpdateListItem(rosterItem);
+
+				// Add or remove item
 				switch (status) {
 					case CAYA_OFFLINE:
+						// By default offline contacts are hidden
 						if (HasItem(rosterItem))
 							RemoveItem(rosterItem);
 						return;
 					default:
+						// Add item because it has a non-offline status
 						if (!HasItem(rosterItem))
 							AddItem(rosterItem);
 						break;
 				}
+
 				UpdateListItem(rosterItem);
 
 				// Sort list view again
 				fListView->Sort();
+
+				switch (status) {
+					case CAYA_ONLINE:
+					case CAYA_OFFLINE:
+						// Notify when contact is online or offline
+						if (status == CAYA_ONLINE) {
+							BString message;
+							message << rosterItem->GetContactLinker()->GetName();
+
+							if (status == CAYA_ONLINE)
+								message << " is available!";
+							else
+								message << " is offline!";
+
+							BNotification notification(B_INFORMATION_NOTIFICATION);
+							notification.SetApplication("Caya");
+							notification.SetTitle("Presence");
+							notification.SetIcon(rosterItem->Bitmap());
+							notification.SetContent(message.String());
+							be_roster->Notify(notification);
+						}
+						break;
+					default:
+						break;
+				}
 			}
 			break;
 		}

application/Server.cpp

@@ -324,6 +324,33 @@ Server::ImMessage(BMessage* msg)
 			be_roster->Notify(notification);
 			break;
 		}
+		case IM_NOTIFICATION:
+		{
+			int32 type = (int32)B_INFORMATION_NOTIFICATION;
+			const char* protocol = NULL;
+			const char* title = NULL;
+			const char* message = NULL;
+
+			if (msg->FindString("protocol", &protocol) != B_OK)
+				return result;
+			if (msg->FindInt32("type", &type) != B_OK)
+				return result;
+			if (msg->FindString("title", &title) != B_OK)
+				return result;
+			if (msg->FindString("message", &message) != B_OK)
+				return result;
+
+			CayaProtocolAddOn* addOn
+				= ProtocolManager::Get()->ProtocolAddOn(protocol);
+
+			BNotification notification((notification_type)type);
+			notification.SetApplication("Caya");
+			notification.SetTitle(title);
+			notification.SetIcon(addOn->Icon());
+			notification.SetContent(message);
+			be_roster->Notify(notification);
+			break;
+		}
 		default:
 			break;
 	}