/*

* Copyright (c) 2006 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:   Contains CNcdInstalledContent class

*

*/

#ifndef NCD_INSTALLED_CONTENT_H

#define NCD_INSTALLED_CONTENT_H

// For streams

#include <s32mem.h>

#include "catalogsinterfacebase.h"

#include "ncdinstalledcontent.h"

class CNcdNodeInstallProxy;

/**

 * Base class for installed content 

 *

 *  @lib ?library

 *  @since S60 ?S60_version *** for example, S60 v3.0

 */

class CNcdInstalledContent: public CCatalogsInterfaceBase,

                            public MNcdInstalledContent                     

    {

public: // MNcdInstalledContent

    /**

     * @see MNcdInstalledContent::IsLaunchable()

     */

    virtual TBool IsLaunchable() const;

    /**

     * @see MNcdInstalledContent::ContentType()

     */

    virtual MNcdInstalledContent::TInstalledContentType ContentType() const;

public: // New methods

    /**

     * Sets the launchable state for the object

     *

     * @param aLaunchable

     */

    virtual void SetLaunchable( TBool aLaunchable );

public: // MCatalogsBase

    /**

     * @note In addition to using the AddRef of the base class,

     * this function increases the internal reference count of the owner.

     * This way, the owner will not be deleted before the reference count

     * of this object is zero. 

     * The owner should not be deleted before this class object's 

     * reference count is back to zero. The owner should

     * handle the deletion of this class object separately for example 

     * when its destructor is called.

     *

     * @see MCatalogsBase::AddRef()

     */

    virtual TInt AddRef();

    /**

     * @note In addition to using the Rlease of the base class,

     * this function uses the Release of the owner.

     * This way, the owner will know if it can be deleted in other words if

     * this class object is not used anymore.  

     * The owner should not be deleted before this class object's 

     * reference count is back to zero. The owner should

     * handle the deletion of this class object separately for example 

     * when its destructor is called.

     *

     * @see MCatalogsBase::Release()

     */

    virtual TInt Release();

protected:

    /**

     * Constructor

     *

     */

    CNcdInstalledContent( 

        CNcdNodeInstallProxy& aParent, 

        TInstalledContentType aType = EInstalledContent );

    /**

     * ConstructL

     */

    void ConstructL();

    /**

     * Destructor

     *

     * Informs the node manager that this node is deleted.

     */

    virtual ~CNcdInstalledContent();

    /**

     * @return CNcdNodeInstallProxy& reference to the class that owns

     * this class.

     */

    CNcdNodeInstallProxy& ContentOwner() const;

private:

    // Prevent if not implemented

    CNcdInstalledContent( const CNcdInstalledContent& aObject );

    CNcdInstalledContent& operator =( const CNcdInstalledContent& aObject );

private: // data

    // Not owned

    CNcdNodeInstallProxy& iOwner;

    TInstalledContentType iContentType;

    TBool iLaunchable;

    };

#endif // NCD_INSTALLED_CONTENT_H