#include <hscontentcontrolui.h>

// User includes

#include "hscontentcontrolecomobserver.h"

class CHsContentControlEComListener;

NONSHARABLE_CLASS( CHsContentControlFactory ) : public CBase,

                                                public MHsContentControlEComObserver

public: // from MHsContentControlEComObserver

    /**

     * Notification of Ecom registry change.

     */

     void HandleEComChangeEvent();

    /** 

     * Finds and returns loaded ContentControlUi object from array.

    /** 

     * Checks if a plugin is removed/upgraded/downgraded.

     */

    void CheckPluginChangesL();

    /**

     * Finds plugin implementation info in the ECOM registry.

     * @param aUid The plugin UID which is to be checked.

     * @param aPluginArray The array of plugins which have been implemented.

     * @return ImplementationInfo of plugin. 

     */

    CImplementationInformation* FindPluginImplInfo( 

            const TUid& aUid, const RImplInfoPtrArray& aPlugInArray );

    /**

     * Checks if an upgrade or downgrade of the existing plugins happened.

     * @param aPluginImplInfo ImplInfo of plugin to be checked for upgrade/downgrade.

     * @return ETrue if upgrade/downgrade, EFalse otherwise. 

     */

    TBool PluginUpgradeDowngrade( const CImplementationInformation& aPluginImplInfo );

     * An array of type CHsContentControlUi ( Owned ).

    /**

    * An array of type CImplementationInformation ( Owned ).

    */

    RImplInfoPtrArray               iImplArray;

    /**

     * An object of type CHsContentControlEComListener ( Owned ).

     */

    CHsContentControlEComListener*  iHsContentControlEComListener;