--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vtuis/videotelui/inc/commands/cvtuicmdvalidationactionbase.h	Wed Sep 01 12:29:12 2010 +0100
@@ -0,0 +1,89 @@
+/*
+* Copyright (c) 2007 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:  Command validation action base class definition.
+*
+*/
+
+
+#ifndef C_VTUICMDVALIDATIONACTIONBASE_H
+#define C_VTUICMDVALIDATIONACTIONBASE_H
+
+#include <e32base.h>
+
+class CVtUiCmdValidatorBase;
+class MVtUiCmdValidatorCallBack;
+
+/**
+ *  CVtUiCmdValidationActionBase
+ *
+ *  Command validation action base class.
+ *
+ *  @since S60 v3.2
+ */
+NONSHARABLE_CLASS( CVtUiCmdValidationActionBase ) : public CBase
+    {
+
+public: // public methods
+
+    /**
+     * C++ destructor.
+     */
+    ~CVtUiCmdValidationActionBase();
+
+    /**
+     * Called when validation process is about to begin. Resets internal
+     * variables.
+     */
+    virtual void BeginProcess();
+
+    /**
+     * Called when validation process has finished.
+     */
+    virtual void EndProcess();
+
+public: // pure virtual methods
+
+    /**
+     * Execute validation process.
+     *
+     * @param aCallBack Action validation callback routine that will be called
+     * for every item to be validated.
+     */
+    virtual void ProcessL( const MVtUiCmdValidatorCallBack& aCallBack ) = 0;
+
+protected:
+
+    /**
+     * Mark command handled.
+     *
+     * @param aCommandId Id of command that was handled.
+     */
+    void CommandHandledL( TInt aCommandId );
+
+    /**
+     * Check whether command is already handled or not.
+     *
+     * @param aCommandId Id of command to be checked.
+     * @return ETrue if command was already handler, EFalse otherwise.
+     */
+    TBool IsCommandHandled( TInt aCommandId ) const;
+
+private: // data
+
+    // Array of handled commands.
+    RArray< TInt > iHandledCommands;
+
+    };
+
+#endif // C_VTUICMDVALIDATIONACTIONBASE_H