/*

* Copyright (c) 2006-2008 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:   CNcdNodeDependencyInfo

*

*/

#ifndef NCD_NODE_DEPENDENCY_INFO_IMPL

#define NCD_NODE_DEPENDENCY_INFO_IMPL

#include <e32base.h>

#include <e32cmn.h>

#include "ncdnodedependencyinfo.h"

class CNcdNodeIdentifier;

class CNcdDependencyInfo;

class CNcdNodeManagerProxy;

/**

 *  This class provides functions to get information about dependency

 *  nodes or dependency content.

 */

class CNcdNodeDependencyInfo: public CBase,

                              public MNcdNodeDependencyInfo

{

public:

    /** 

     * @see CNcdNodeDependencyInfo::CNcdNodeDependencyInfo   

     * @see CNcdNodeDependencyInfo::ConstructL

     */

    static CNcdNodeDependencyInfo* NewL( const CNcdDependencyInfo& aInfo,

                                         CNcdNodeManagerProxy& aNodeManager ); 

    /**

     * @see CNcdDependencyInfo::NewL

     */

    static CNcdNodeDependencyInfo* NewLC( const CNcdDependencyInfo& aInfo,

                                          CNcdNodeManagerProxy& aNodeManager );

    /**

     * Destructor

     */

    ~CNcdNodeDependencyInfo();

public: // MNcdNodeDependencyInfo

    /** 

     * @see MNcdNodeDependencyInfo::Name

     */

    virtual const TDesC& Name() const;

    /** 

     * @see MNcdNodeDependencyInfo::Version

     */

    virtual const TDesC& Version() const;

    /** 

     * @see MNcdNodeDependencyInfo::Uid

     */

    virtual TUid Uid() const;

    /** 

     * @see MNcdNodeDependencyInfo::DependencyNodeL

     */

    virtual MNcdNode* DependencyNodeL() const;

    /** 

     * @see MNcdNodeDependencyInfo::State

     */

    virtual TNcdDependencyState State() const;

public: // new methods

    /** 

     * return const CNcdNodeIdentifier* Identifier of the metadata that

     * will provide the dependency content. If an identifier has not

     * been set, then NULL is returned. Ownership is NOT transferred.

     */

    const CNcdNodeIdentifier* Identifier() const;

protected:

    /** 

     * Constructor

     *

     * @param aNodeManager Node manager is used to create the node.

     */

    CNcdNodeDependencyInfo( CNcdNodeManagerProxy& aNodeManager );

    /** 

     * ConstructL

     *

     * @note If this function leaves, then the node identifier will be

     * deleted.

     * 

     * @param aInfo Dependency information that is used to internalize

     * this class object.

     */

    void ConstructL( const CNcdDependencyInfo& aInfo );

    /**

     * @return CNcdNodeManageraProxy& Can be used to create nodes.

     */

    CNcdNodeManagerProxy& NodeManager() const;

private:

    CNcdNodeDependencyInfo( const CNcdNodeDependencyInfo& aObject );

    CNcdNodeDependencyInfo& operator =( const CNcdNodeDependencyInfo& aObject );

private: // data

    // Name of the dependency content

    HBufC* iName;

    // Version of the dependency content

    HBufC* iVersion;

    // Uid of the dependency content

    TUid iUid;

    // Identifier of the metadata that will provide the

    // dependency content.

    CNcdNodeIdentifier* iIdentifier;

    CNcdNodeManagerProxy& iNodeManager;

    // State of the dependency

    TNcdDependencyState iDependencyState;

};

#endif // NCD_NODE_DEPENDENCY_INFO_IMPL