/*
* Copyright (c) 2002-2007 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of the License "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: Java Registy API header file
*
*/

#ifndef TAPPVERSION_H
#define TAPPVERSION_H

/**
 * This class is used to represent the version of a Java application.
 * The standard TVersion provided in Symbian OS can't be used because it 
 * doesn't allow for major and minor version numbers above 127. 
 */
class TAppVersion
    {
    public:

        /**
         * This constructor creates a 0.0.0 version.
         */
        inline TAppVersion();

        /**
         * This is the copy constructor.
         * @param aAppVersion is the app version that will be copied
         */	
        inline TAppVersion(const TAppVersion& aAppVersion);

        /**
         * This constructor creates a version according to the arguments.
         * @param aMajor is the major version number 
         * @param aMinor is the minor version number
         * @param aBuild is the micro version number
         */
        inline TAppVersion(TInt aMajor, TInt aMinor, TInt aBuild);

        /**
         * Assignment operator.
         * @param aAppVersion is the app version to be assigned to the object
         */
        inline TAppVersion& operator =(const TAppVersion& aAppVersion);

        /**
         * Equality operator.
         * @param aAppVersion is the app version to be compared with 
         * the object's app version
         * @return ETrue if the app versions are the same, EFalse otherwise
         */
        inline TBool operator ==(const TAppVersion& aAppVersion) const;
	
        /**
         * Inequality operator.
         * @param aAppVersion is the app version to be compared with 
         * the object's app version
         * @return ETrue if the app versions are not the same, EFalse otherwise
         */
        inline TBool operator !=(const TAppVersion& aAppVersion) const;

        /**
         * Less than operator.
         * @param aAppVersion is the app version to be compared with 
         * the object's app version
         * @return ETrue if the app version to the left of the operator is less
         * than the version to the right, EFalse otherwise
         */
        inline TBool operator <(const TAppVersion& aAppVersion) const;

        /**
         * Greater than operator.
         * @param aAppVersion is the app version to be compared with 
         * the object's app version
         * @return ETrue if the app version to the left of the operator is 
         * greater than the version to the right, EFalse otherwise
         */
        inline TBool operator >(const TAppVersion& aAppVersion) const;

        /**
         * Less or equal operator.
         * @param aAppVersion is the app version to be compared with 
         * the object's app version
         * @return ETrue if the app version to the left of the operator is 
         * less than or equal to the version to the right, EFalse otherwise
         */
        inline TBool operator <=(const TAppVersion& aAppVersion) const;

        /**
         * Greater or equal operator.
         * @param aAppVersion is the app version to be compared with 
         * the object's app version
         * @return ETrue if the app version to the left of the operator is 
         * greater than or equal to the version to the right, EFalse otherwise
         */
         inline TBool operator >=(const TAppVersion& aAppVersion) const;

    public:
        TInt iMajor;
        TInt iMinor;
        TInt iBuild;
    };

#include <swi/appversion.inl>

#endif // TAPPVERSION_H

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