--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/taskswitcher/contextengine/hgfswserver/engine/inc/hgfswobservers.h	Mon Jan 18 20:10:36 2010 +0200
@@ -0,0 +1,81 @@
+/*
+ * ===========================================================================
+ *  Name        : hgfswobservers.h
+ *  Part of     : Huriganes / Fast Swap Server
+ *  Description : Observer interfaces to get notifications from appui and from engine
+ *  Version     : %version: sa1spcx1#4 %
+ *
+ *  Copyright © 2008 Nokia Corporation.
+ *  This material, including documentation and any related 
+ *  computer programs, is protected by copyright controlled by 
+ *  Nokia Corporation. All rights are reserved. Copying, 
+ *  including reproducing, storing, adapting or translating, any 
+ *  or all of this material requires the prior written consent of 
+ *  Nokia Corporation. This material also contains confidential 
+ *  information which may not be disclosed to others without the 
+ *  prior written consent of Nokia Corporation.
+ * ===========================================================================
+ */
+
+#ifndef __HGFSWOBSERVERS_H
+#define __HGFSWOBSERVERS_H
+
+/**
+ * Interface to get notifications from appui when window groups
+ * have changed.
+ */
+class MHgFswTaskListObserver
+    {
+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 MHgFswResourceObserver
+    {
+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 MHgFswEngineObserver
+    {
+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 CHgFsHiddenAppList
+ * to notify about list change
+ */
+class MHgFsHiddenAppListObserver
+    {
+public:
+    /**
+     * This function is called by CHgFsHiddenAppList when list is changed.
+     */
+    virtual void HiddenAppListUpdated() = 0;
+    };
+
+#endif