--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/phonebookengines/VirtualPhonebook/VPbkCntModel/src/CContactLink.cpp	Tue Feb 02 10:12:17 2010 +0200
@@ -0,0 +1,244 @@
+/*
+* 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