/*

* Copyright (c) 2009 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:

*

*/

#ifndef SPBCONTENTPROVIDERPRIVATE_H_

#define SPBCONTENTPROVIDERPRIVATE_H_

//  INCLUDES

#include <e32base.h>

#include "spbcontentprovider.h"

#include "spbserviceiconprovider.h"

class MSpbContentProviderObserver;

class CSpbServiceIconProvider;

class CSpbStatusProvider;

class CSpbContent;

class CVPbkContactManager;

class CSpbContactStoreListener;

class CPbk2StoreManager;

class MVPbkContactStore;

/**

 * Private implementation of the content provider

 */

NONSHARABLE_CLASS( CSpbContentProviderPrivate ) : public CBase

    {

public: // Construction & destruction

    /// Constructor (see CSpbContentProvider for params)

    static CSpbContentProviderPrivate* NewL( 

        CVPbkContactManager& aContactManager,

        CPbk2StoreManager& aStoreManager,        

        TInt32 aFeatures );

    /// Destructor

    ~CSpbContentProviderPrivate();

public: // From CSpbContentProvider

    /// From CSpbContentProvider

    inline void AddObserverL(

        MSpbContentProviderObserver& aObserver );

    /// From CSpbContentProvider

    inline void RemoveObserver(

        MSpbContentProviderObserver& aObserver );

    /// From CSpbContentProvider

    void GetContentL(

        MVPbkContactLink& aLink,

        HBufC*& aText,

        TPbk2IconId& aIconId,

        CSpbContentProvider::TSpbContentType& aType );

    /// From CSpbContentProvider

    inline CGulIcon* CreateServiceIconLC( 

        const TPbk2IconId& aIconId );		

    /**

     * Clean the content in the cache if it belongs to the specified store

     */

    void CleanContentL( MVPbkContactStore& aStore );

private: // constructors

    /// Constructor

    inline CSpbContentProviderPrivate(

        CVPbkContactManager& aContactManager,

        CPbk2StoreManager& aStoreManager,        

        TInt32 aFeatures);

    /// Constructor

    inline void ConstructL();

private: // new methods

    /**

     * Find content for aLink or NULL

     */

    CSpbContent* ContentByLinkL( const MVPbkContactLink& aLink );

    /**

     * Check if feature is enabled

     */

    TBool IsFeature( TInt aFeature ) const;

private: // data

    /// Contact manager

    CVPbkContactManager& iContactManager;

    /// Store manager

    CPbk2StoreManager& iStoreManager;

    /// Required features / content

    const TInt32 iFeatures;

    /// Content not own. Observers

    RPointerArray<MSpbContentProviderObserver> iObservers;

    /// Content Own. Cached content

    RPointerArray<CSpbContent> iContentCache;

    /// Own. Icon provider

    CSpbServiceIconProvider* iIconProvider;

    /// Own. Status provider

    CSpbStatusProvider* iStatusProvider;

    // Own. contact store listener for detecting contact changes (phonenumber)

    CSpbContactStoreListener* iStoreListener;

    };

//------------------------------------------------------------------------------

// INLINE METHODS

//------------------------------------------------------------------------------

inline void CSpbContentProviderPrivate::AddObserverL(

        MSpbContentProviderObserver& aObserver )

    {

    iObservers.AppendL( &aObserver );

    }

inline void CSpbContentProviderPrivate::RemoveObserver(

        MSpbContentProviderObserver& aObserver )

    {

    const TInt index = iObservers.Find( &aObserver );

    if( index >= 0 )

        {

        iObservers.Remove( index );

        }

    }

inline CGulIcon* CSpbContentProviderPrivate::CreateServiceIconLC( 

        const TPbk2IconId& aIconId )

    {

    if( iIconProvider )

        {

        return iIconProvider->CreateIconLC( aIconId );

        }

    CGulIcon* icon = NULL;

    CleanupStack::PushL( icon );

    return icon;

    }            

inline TBool CSpbContentProviderPrivate::IsFeature( TInt aFeature ) const

    {

    return iFeatures & aFeature;

    }

#endif /*SPBCONTENTPROVIDERPRIVATE_H_*/