--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/taskswitcher/contextengine/tsfswserver/engine/inc/tsfswobservers.h Tue Jan 26 11:48:23 2010 +0200
@@ -0,0 +1,80 @@
+/*
+* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: Observer interfaces to get notifications from appui and from engine
+ *
+*/
+
+
+#ifndef TSFSWOBSERVERS_H
+#define TSFSWOBSERVERS_H
+
+/**
+ * Interface to get notifications from appui when window groups
+ * have changed.
+ */
+class MTsFswTaskListObserver
+ {
+public:
+ /**
+ * Function called by AppUi to notify about possible
+ * changes in task list
+ */
+ virtual void UpdateTaskList() = 0;
+ };
+
+/**
+ * Interface to get notifications from appui's HandleResourceChangeL.
+ */
+class MTsFswResourceObserver
+ {
+public:
+ /**
+ * Function called by AppUi to notify about resource changes.
+ */
+ virtual void HandleResourceChange( TInt aType ) = 0;
+ };
+
+/**
+ * Observer interface to get notifications from engine
+ * when fsw content has changed.
+ */
+class MTsFswEngineObserver
+ {
+public:
+ /**
+ * Called when there is a change in the task list.
+ */
+ virtual void FswDataChanged() = 0;
+
+ /**
+ * Called to find out how many clients are subscribed
+ * for fsw content change notifications.
+ */
+ virtual TInt FswDataListenerCount() = 0;
+ };
+
+/**
+ * This class is interface for CTsFsHiddenAppList
+ * to notify about list change
+ */
+class MTsFsHiddenAppListObserver
+ {
+public:
+ /**
+ * This function is called by CTsFsHiddenAppList when list is changed.
+ */
+ virtual void HiddenAppListUpdated() = 0;
+ };
+
+#endif