--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmuifw_plat/alf_widgetmodel_api/inc/alf/ialfvarianttype.h	Wed Sep 01 12:23:18 2010 +0100
@@ -0,0 +1,170 @@
+/*
+* Copyright (c) 2004 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:  This interface defines a generic data type
+*
+*/
+
+
+
+#ifndef I_ALFVARIANTTYPE_H
+#define I_ALFVARIANTTYPE_H
+
+
+//  INCLUDES
+
+#include <osn/osntypes.h>
+#include <alf/ialfmodelbase.h>
+
+namespace osncore
+    {
+class UString;
+    }
+
+using namespace osncore;
+
+namespace Alf
+    {
+
+// FORWARD DECLARATIONS
+class IAlfContainer;
+class IAlfMap;
+class IAlfBranch;
+class IAlfModelBase;
+
+//INTERFACE DECLARATIONS
+
+/**
+ * An interface for variant data type.
+ * Application-specific data source classes may implement
+ * this interface. Alternatively, a wrapper class may
+ * be implemented to convert data fields from application source
+ * to some IAlfVariantType implementation (e.g., CAlfVariantType).
+ *
+ * @lib alfwidgetmodel.lib
+ * @since S60 ?S60_version
+ * @status Draft
+ */
+class IAlfVariantType
+    {
+public:
+    /** Type enumeration. */
+    enum Type{EBool, EInt, EUint, EReal, EString, EContainer, EMap, EBranch,ECustomData};
+
+    /** Virtual destructor. */
+    virtual ~IAlfVariantType() {}
+
+    /**
+     * Set the Data the variantData
+     *
+     * @param aValue The new value.
+     * @since S60 ?S60_version
+     */
+    virtual void set(IAlfVariantType& aValue) = 0;
+
+    /**
+     * Get the data type.
+     *
+     * @return The data type.
+     * @since S60 ?S60_version
+     */
+    virtual Type type() const = 0;
+
+    /**
+     * Get the data value as an bool .
+     *
+     * @exception osncore:AlfDataException Thrown if type() is not EBool.
+     * @return bool data value.
+     * @since S60 ?S60_version
+     */
+    virtual bool boolean() const = 0;
+
+    /**
+     * Get the data value as an integer.
+     *
+     * @exception osncore:AlfDataException Thrown if type() is not EInt.
+     * @return Integer data value.
+     * @since S60 ?S60_version
+     */
+    virtual int integer() const = 0;
+
+    /**
+     * Get the data value as an unsigned integer.
+     *
+     * @exception osncore:AlfDataException Thrown if type() is not EUInt.
+     * @return Unsigned integer data value.
+     * @since S60 ?S60_version
+     */
+    virtual uint uinteger() const = 0;
+
+    /**
+     * Get the data value as a real number.
+     *
+     * @exception osncore:AlfDataException Thrown if type() is not EReal.
+     * @return Real data value.
+     * @since S60 ?S60_version
+     */
+    virtual double real() const = 0;
+
+    /**
+     * Get the data value as a descriptor.
+     *
+     * @exception osncore:AlfDataException Thrown if type() is not EString.
+     * @return string value.
+     * @since S60 ?S60_version
+     */
+    virtual const UString& string() const = 0;
+
+    /**
+     * Get the data value as a container interface.
+     *
+     * @exception osncore:AlfDataException Thrown if type() is not EContainer.
+     * @return Container interface.
+     * @since S60 ?S60_version
+     */
+    virtual IAlfContainer* container() = 0;
+
+    /**
+     * Get the data value as a map interface.
+     *
+     * @exception osncore:AlfDataException Thrown if type() is not EMap.
+     * @return Map interface.
+     * @since S60 ?S60_version
+     */
+    virtual IAlfMap* map() = 0;
+
+    /**
+     * Get the data value as a Branch interface.
+     *
+     * @exception osncore:AlfDataException Thrown if type() is not EBranch.
+     * @return Branch interface.
+     * @since S60 ?S60_version
+     */
+    virtual IAlfBranch* branch() = 0;
+
+    /**
+     * Get the data value as a User Defined Data Pointer.
+     *
+     * @exception osncore:AlfDataException Thrown if type() is not ECustomData.
+     * @return CAlfModelBase interface.
+     * @since S60 ?S60_version
+     */
+    virtual IAlfModelBase* customData() = 0;
+
+    };
+
+    } // namespace Alf
+
+#endif // I_ALFVARIANTTYPE_H
+
+// End of File