widgetmodel/alfwidgetmodel/inc/alfrealvalue.h
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     1 /*
       
     2 * Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). 
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:   Defines RealValue for attributeTypes..
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #ifndef ALFREALVALUE_H
       
    20 #define ALFREALVALUE_H
       
    21 
       
    22 //INCLUDES
       
    23 #include <osn/osndefines.h>
       
    24 #include <memory>
       
    25 #include "alf/alfattributevaluetype.h"
       
    26 
       
    27 // FORWARD DECLARATIONS
       
    28 
       
    29 using std::auto_ptr;
       
    30 
       
    31 namespace Alf
       
    32     {
       
    33 
       
    34 /**
       
    35  * A class for a real value type.
       
    36  *
       
    37  * @lib alfwidgetmodel.lib
       
    38  * @since S60 ?S60_version
       
    39  */
       
    40 class AlfRealValue : public AlfAttributeValueType
       
    41     {
       
    42 public:
       
    43 
       
    44     /**
       
    45      * Constructor.
       
    46      *
       
    47      * @since S60 ?S60_version
       
    48      * @param aValue The value of the attribute. Makes a copy of the attribute.
       
    49      * @return New object.
       
    50      */
       
    51     AlfRealValue( float aValue, TAlfUnit aUnit = EAlfUnitNormalized );
       
    52 
       
    53     /**
       
    54      * Destructor.
       
    55      */
       
    56     virtual ~AlfRealValue();
       
    57 
       
    58     /**
       
    59         * Gets the real value.
       
    60         *
       
    61         * @since S60 ?S60_version
       
    62         * @return The real value.
       
    63         */
       
    64     float virtual realValue() const;
       
    65 
       
    66     /**
       
    67      * Gets the type of the attribute value.
       
    68      *
       
    69      * @since S60 ?S60_version
       
    70      * @return The type of the value.
       
    71      */
       
    72     virtual Type type() const;
       
    73 
       
    74     /**
       
    75      * Gets the unit.
       
    76      *
       
    77      * @since S60 ?S60_version
       
    78      * @return The unit.
       
    79      */
       
    80     virtual TAlfUnit unit() const;
       
    81 
       
    82 private:    // data
       
    83 
       
    84     float mReal;
       
    85     TAlfUnit mUnit;
       
    86 
       
    87     };
       
    88 
       
    89     } // namespace Alf
       
    90 
       
    91 #endif // ALFREALVALUE_H