/*

* Copyright (c) 2004-2007 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:  The virtual phonebook contact link

*

*/

// INCLUDES

#include "CContactLink.h"

#include "CContactStore.h"

#include "CContact.h"

#include "CViewContact.h"

#include "CViewBase.h"

#include <cntitem.h>

#include <CVPbkContactLinkArray.h>

#include <MVPbkStoreContact.h>

#include <MVPbkViewContact.h>

#include <MVPbkContactStoreProperties.h>

namespace {

/**

 * Link version supported by this version.

 */

const TUint8 KContactLinkVersion = 1;

} // namespace

namespace VPbkCntModel {

// CContactLink implementation

CContactLink::CContactLink(CContactStore& aContactStore) :

    iContactStore(aContactStore),

    iFieldId(KErrNotFound)

    {

    }

void CContactLink::CommonConstructL()

    {

    iLinkArray = CVPbkContactLinkArray::NewL();

    iLinkArray->AppendL(this);

    }

/**

 * The Contact model link internal specification.

 * Specifies link content and order.

 * 1st item: version numer (byte)

 * 2nd item: contact item id (word)

 * 3rd item: contact item field id (word)

 */

inline void CContactLink::ConstructL(

        RReadStream& aStream)

    {

    CommonConstructL();

    /*TUint8 version = */aStream.ReadUint8L();

    iId = aStream.ReadInt32L(); // TContactItemId

    iFieldId = aStream.ReadInt32L(); // TInt

    }

inline void CContactLink::ConstructL(

        TContactItemId aId,

        TInt aFieldId)

    {

    CommonConstructL();

    iId = aId;

    iFieldId = aFieldId;

    }

CContactLink* CContactLink::NewLC

        (CContactStore& aContactStore,

        RReadStream& aStream)

    {

    CContactLink* self = new(ELeave) CContactLink(aContactStore);

    CleanupStack::PushL(self);

    self->ConstructL(aStream);

    return self;

    }

CContactLink* CContactLink::NewLC

        (CContactStore& aContactStore, 

        TContactItemId aId,

        TInt aFieldId /* = KErrNotFound */)

    {

    CContactLink* self = new(ELeave) CContactLink(aContactStore);

    CleanupStack::PushL(self);

    self->ConstructL(aId, aFieldId);

    return self;

    }

CContactLink::~CContactLink()

    {

    if (iLinkArray)

        {

        iLinkArray->Reset();

        delete iLinkArray;

        }

    }

TBool CContactLink::Matches(

        const TDesC& aStoreUri, 

        const MVPbkContactLink& aLink,

        TVPbkContactStoreUriPtr::TVPbkContactStoreUriComponent aComponent)

    {

    if (aLink.ContactStore().StoreProperties().Uri().Compare(aStoreUri, aComponent) == 0) 

        {

        return ETrue;

        }

    return EFalse;

    }

TBool CContactLink::Matches(

        const TVPbkContactStoreUriPtr& aStoreUri,

        const MVPbkContactLink& aLink)

    {

    if (aLink.ContactStore().StoreProperties().Uri().Compare(aStoreUri, 

            TVPbkContactStoreUriPtr::EContactStoreUriAllComponents) == 0) 

        {

        return ETrue;

        }

    return EFalse;

    }

TContactItemId CContactLink::ContactId() const

    {

    return iId;

    }

TInt CContactLink::ContactFieldId() const

    {

    return iFieldId;

    }

void CContactLink::SetContactId(TContactItemId aContactId)

    {

    iId = aContactId;

    }

void CContactLink::SetContactFieldId(TInt aContactFieldId)

    {

    iFieldId = aContactFieldId;

    }

const TPtrC CContactLink::ContactDbFileName() const

    {

    return iContactStore.StoreProperties().Uri().Component(

            TVPbkContactStoreUriPtr::EContactStoreUriStoreLocation);

    }

MVPbkContactStore& CContactLink::ContactStore() const

    {

    return iContactStore;

    }

TBool CContactLink::IsSame(const MVPbkContactLink& aOther) const

    {

    TBool result = EFalse;

    if (&ContactStore() == &aOther.ContactStore())

        {

        const CContactLink& other = 

            static_cast<const CContactLink&>(aOther);

        result = (other.ContactId() == ContactId() &&

                  other.ContactFieldId() == ContactFieldId());

        }

    return result;

    }

TBool CContactLink::RefersTo(const MVPbkBaseContact& aContact) const

    {

    TBool result = EFalse;

    if (const CContact* contact = dynamic_cast<const CContact*>(&aContact))

        {

        if (&ContactStore() == &contact->ParentStore())

            {

            result = (contact->NativeContact()->Id() == ContactId());

            }

        }

    else if(const CViewContact* contact = dynamic_cast<const CViewContact*>(&aContact))

        {

        if (&ContactStore() == &contact->View().ContactStore())

            {

            result = (contact->Id() == ContactId());

            }

        }

    return result;

    }

const MVPbkStreamable* CContactLink::Streamable() const

    {

    return this;

    }

const MVPbkContactLinkPacking& CContactLink::Packing() const

    {

    return *this;

    }

MVPbkContactLink* CContactLink::CloneLC() const

    {

    return CContactLink::NewLC(iContactStore, iId, iFieldId);

    }

void CContactLink::ExternalizeL(

        RWriteStream& aStream) const

    {

    HBufC8* buf = iLinkArray->PackLC();

    aStream.WriteL(*buf);

    CleanupStack::PopAndDestroy(buf);

    }

TInt CContactLink::ExternalizedSize() const

    {

    return iLinkArray->PackedBufferSize();

    }

TInt CContactLink::InternalPackedSize() const

    {

    return (1 /*Link version number */ +

            4 /* Contact item id */ +

            4 /* Contact field id */);

    }

void CContactLink::PackInternalsL(RWriteStream& aStream) const

    {

    aStream.WriteUint8L(KContactLinkVersion); // version number

    aStream.WriteInt32L(iId); // contact item id

    aStream.WriteInt32L(iFieldId);

    }

} // namespace VPbkCntModel

// end of file