diff -r 951aeeb3da43 -r 2222076f5c60 coreapplicationuis/SysAp/Inc/SysApTaskList.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/coreapplicationuis/SysAp/Inc/SysApTaskList.h	Wed Jun 23 18:22:59 2010 +0300
@@ -0,0 +1,104 @@
+/*
+* Copyright (c) 2005 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: 
+*
+*
+*/
+
+
+#ifndef SYSAPTASKLIST_H
+#define SYSAPTASKLIST_H
+
+// INCLUDES
+
+#include <w32std.h>
+#include <apgtask.h>
+
+// CLASS DECLARATION
+
+/**
+*  Class for finding out about running applications.
+*  This class specialises in locating and identifying root applications,
+*  those applications who do not have any parent window group.
+*  It can be used along-side TApaTaskList.
+*
+*  @since Series 60 3.0
+*/
+class CSysApTaskList : public CBase
+	{
+public:
+    /**
+    * Factory function
+    * @param aWsSession an open session to the window server, often from CEikonEnv::WsSession()
+    * @return a new fully constructed instance of CSysApTaskList
+    */
+	static CSysApTaskList* NewL(RWsSession& aWsSession);
+    /**
+    * Factory function
+    * @param aWsSession an open session to the window server, often from CEikonEnv::WsSession()
+    * @return a new fully constructed instance of CSysApTaskList, which is on the cleanup stack
+    */
+	static CSysApTaskList* NewLC(RWsSession& aWsSession);
+    /**
+    * Destructor.
+    */
+	~CSysApTaskList();
+	
+	/**
+	* Refresh the window group array
+	*/
+	void UpdateListL();
+	/**
+	* Accessor for the window group array
+	* @return an array containing the window groups of running applications.
+	*/
+	const RArray<RWsSession::TWindowGroupChainInfo>& WgArray() const;
+
+	/**
+	* Find an application with the requested UID 3, which is running as a root application
+	* @param aAppUid the UID 3 of the target application.
+	* @return a TApaTask which refers to the running instance of the application.
+	* if the application is not running, the TApaTask's Exists() function will return EFalse.
+	*/	
+	TApaTask FindRootApp(TUid aAppUid) const;
+	/**
+	* Query whether an application's window group is running as a root application.
+	* @param aWgId the window group identifier of the target application.
+	* @return ETrue if this window group is running as a root window group.
+	*/
+	TBool IsRootWindowGroup(TInt aWgId) const;
+	
+	/**
+	* Find the parent window group. If there is no parent, 0 is returned.
+	* @param aWgId the window group id that you want to find the parent of.
+	* @return The window group id of the parent, or 0 if there is no parent.
+	*/
+	TInt FindParentWgId(TInt aWgId) const;
+	/**
+	* Find the child window group. If there is no child, 0 is returned.
+	* @param aWgId the window group id that you want to find the child of.
+	* @return The window group id of the child, or 0 if there is no child.
+	*/
+	TInt FindChildWgId(TInt aWgId) const;
+	
+private:
+	CSysApTaskList(RWsSession& aWsSession);
+	void ConstructL();
+
+private:
+	RWsSession& iWs;
+	RArray<RWsSession::TWindowGroupChainInfo> iWgs;
+	};
+
+#endif