/*

* Copyright (c) 2005-2007 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:  Virtual Phonebook contact field iterator interface.

*

*/

// INCLUDES

#include "CVPbkContactFieldIterator.h"

#include <MVPbkStoreContactField.h>

#include <MVPbkStoreContactFieldCollection.h>

#include <MVPbkFieldType.h>

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

// CFielfByTypeIterator definition

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

//

template<typename TypeOfCollection, typename TypeOfField>

NONSHARABLE_CLASS( CFieldByTypeIterator ): public CBase

    {

public:

    CFieldByTypeIterator(

        const MVPbkFieldType& aFieldType,

        TypeOfCollection& aFields );

    TypeOfField* Next();

    TBool HasNext();

private:

    const MVPbkFieldType& iFieldType;

    TypeOfCollection& iFields;

    TInt iIteratorIndex;

    };

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

// CFieldByTypeIterator<TypeOfCollection, TypeOfField>::CFieldByTypeIterator

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

//

template<typename TypeOfCollection, typename TypeOfField>

CFieldByTypeIterator<TypeOfCollection, TypeOfField>::CFieldByTypeIterator(

    const MVPbkFieldType& aFieldType, TypeOfCollection& aFields)

    :   iFieldType( aFieldType ),

        iFields( aFields )

    {

    }

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

// CFieldByTypeIterator<TypeOfCollection, TypeOfField>::Next

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

//

template<typename TypeOfCollection, typename TypeOfField>

TypeOfField* CFieldByTypeIterator<TypeOfCollection, TypeOfField>::Next()

    {

    TypeOfField* nextField = NULL;

    // advance to next field and return it, otherwise NULL

    const TInt fieldCount = iFields.FieldCount();

    for (TInt i = iIteratorIndex; i < fieldCount; ++i)

        {

        TypeOfField& field = iFields.FieldAt(i);

        const MVPbkFieldType* fieldType = field.BestMatchingFieldType();

        if ( fieldType && fieldType->IsSame( iFieldType ) )

            {

            // next field found

            nextField = &field;

            iIteratorIndex = i+1;

            break;

            }

        }

    return nextField;

    }

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

// CFieldByTypeIterator<TypeOfCollection, TypeOfField>::HasNext

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

//

template<typename TypeOfCollection, typename TypeOfField>

TBool CFieldByTypeIterator<TypeOfCollection, TypeOfField>::HasNext()

    {

    TBool ret = EFalse;

    // detect whether there is just a field in the remaining fields

    const TInt fieldCount = iFields.FieldCount();

    for (TInt i = iIteratorIndex; i < fieldCount; ++i)

        {

        TypeOfField& field = iFields.FieldAt(i);

        const MVPbkFieldType* fieldType = field.BestMatchingFieldType();

        if ( fieldType && fieldType->IsSame( iFieldType ) )

            {

            // field type matches

            ret = ETrue;

            break;

            }

        }

    return ret;

    }

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

// CFieldByTypeListIterator definition

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

//

template<typename TypeOfCollection, typename TypeOfField>

NONSHARABLE_CLASS( CFieldByTypeListIterator ): public CBase

    {

public:

    CFieldByTypeListIterator(

        const MVPbkFieldTypeList& aFieldTypeList,

        TypeOfCollection& aFields );

    TypeOfField* Next();

    TBool HasNext();

private:

    const MVPbkFieldTypeList& iFieldTypeList;

    TypeOfCollection& iFields;

    TInt iIteratorIndex;

    };

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

// CFieldByTypeListIterator<TypeOfCollection, TypeOfField>::

// CFieldByTypeListIterator

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

//

template<typename TypeOfCollection, typename TypeOfField>

CFieldByTypeListIterator<TypeOfCollection, TypeOfField>::

CFieldByTypeListIterator(

        const MVPbkFieldTypeList& aFieldTypeList,

        TypeOfCollection& aFields)

    :   iFieldTypeList( aFieldTypeList ),

        iFields( aFields )

    {

    }

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

// CFieldByTypeListIterator<TypeOfCollection, TypeOfField>::Next

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

//

template<typename TypeOfCollection, typename TypeOfField>

TypeOfField* CFieldByTypeListIterator<TypeOfCollection, TypeOfField>::Next()

    {

    TypeOfField* nextField = NULL;

    // advance to next field and return it, otherwise NULL

    const TInt fieldCount = iFields.FieldCount();

    for (TInt i = iIteratorIndex; i < fieldCount; ++i)

        {

        TypeOfField& field = iFields.FieldAt(i);

        const MVPbkFieldType* fieldType = field.BestMatchingFieldType();

        if ( fieldType && iFieldTypeList.ContainsSame( *fieldType ) )

            {

            // next field found

            nextField = &field;

            iIteratorIndex = i+1;

            break;

            }

        }

    return nextField;

    }

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

// CFieldByTypeListIterator<TypeOfCollection, TypeOfField>::HasNext

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

//

template<typename TypeOfCollection, typename TypeOfField>

TBool CFieldByTypeListIterator<TypeOfCollection, TypeOfField>::HasNext()

    {

    TBool ret = EFalse;

    // detect whether there is just a field in the remaining fields

    const TInt fieldCount = iFields.FieldCount();

    for (TInt i = iIteratorIndex; i < fieldCount; ++i)

        {

        TypeOfField& field = iFields.FieldAt(i);

        const MVPbkFieldType* fieldType = field.BestMatchingFieldType();

        if ( fieldType && iFieldTypeList.ContainsSame( *fieldType ) )

            {

            // field type matches

            ret = ETrue;

            break;

            }

        }

    return ret;

    }

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

// Iterator for MVPbkStoreContactFieldCollection by Type

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

//

NONSHARABLE_CLASS(CStoreFieldByTypeIterator)

    :   public CFieldByTypeIterator<

            MVPbkStoreContactFieldCollection,

            MVPbkStoreContactField>

    {

public:

    CStoreFieldByTypeIterator(

        const MVPbkFieldType& aFieldType,

        MVPbkStoreContactFieldCollection& aFields );

    };

CStoreFieldByTypeIterator::CStoreFieldByTypeIterator(

        const MVPbkFieldType& aFieldType,

        MVPbkStoreContactFieldCollection& aFields )

    :   CFieldByTypeIterator<

            MVPbkStoreContactFieldCollection,

            MVPbkStoreContactField>( aFieldType, aFields )

    {

    }

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

// Iterator for const MVPbkBaseContactFieldCollection by Type

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

//

NONSHARABLE_CLASS(CBaseFieldByTypeIterator)

    :   public CFieldByTypeIterator<

            const MVPbkBaseContactFieldCollection,

            const MVPbkBaseContactField>

    {

public:

    CBaseFieldByTypeIterator(

        const MVPbkFieldType& aFieldType,

        const MVPbkBaseContactFieldCollection& aFields );

    };

CBaseFieldByTypeIterator::CBaseFieldByTypeIterator(

        const MVPbkFieldType& aFieldType,

        const MVPbkBaseContactFieldCollection& aFields )

    :   CFieldByTypeIterator<

            const MVPbkBaseContactFieldCollection,

            const MVPbkBaseContactField>( aFieldType, aFields )

    {

    }

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

// Iterator for const MVPbkBaseContactFieldCollection by TypeList

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

//

NONSHARABLE_CLASS(CBaseFieldByTypeListIterator)

    :   public CFieldByTypeListIterator<

            const MVPbkBaseContactFieldCollection,

            const MVPbkBaseContactField>

    {

public:

    CBaseFieldByTypeListIterator(

        const MVPbkFieldTypeList& aFieldTypeList,

        const MVPbkBaseContactFieldCollection& aFields );

    };

CBaseFieldByTypeListIterator::CBaseFieldByTypeListIterator(

        const MVPbkFieldTypeList& aFieldTypeList,

        const MVPbkBaseContactFieldCollection& aFields )

        :   CFieldByTypeListIterator<

            const MVPbkBaseContactFieldCollection,

            const MVPbkBaseContactField>( aFieldTypeList, aFields )

    {

    }

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

// Implementation for CVPbkBaseContactFieldTypeIterator class

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

//

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

// CVPbkBaseContactFieldTypeIterator::ConstructL

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

//

void CVPbkBaseContactFieldTypeIterator::ConstructL(

        const MVPbkFieldType& aFieldType,

        const MVPbkBaseContactFieldCollection& aStoreFields )

    {

    iIterator = new (ELeave ) CBaseFieldByTypeIterator( aFieldType, aStoreFields );

    }

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

// CVPbkBaseContactFieldTypeIterator::NewLC

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

//

EXPORT_C CVPbkBaseContactFieldTypeIterator* CVPbkBaseContactFieldTypeIterator::NewLC(

        const MVPbkFieldType& aFieldType,

        const MVPbkBaseContactFieldCollection& aFields)

    {

    CVPbkBaseContactFieldTypeIterator* self =

        new(ELeave) CVPbkBaseContactFieldTypeIterator;

    CleanupStack::PushL(self);

    self->ConstructL( aFieldType, aFields  );

    return self;

    }

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

// CVPbkBaseContactFieldTypeIterator::~CVPbkBaseContactFieldTypeIterator

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

//

CVPbkBaseContactFieldTypeIterator::~CVPbkBaseContactFieldTypeIterator()

    {

    delete iIterator;

    }

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

// CVPbkBaseContactFieldTypeIterator::Next

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

//

const MVPbkBaseContactField* CVPbkBaseContactFieldTypeIterator::Next() const

    {

    return iIterator->Next();

    }

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

// CVPbkBaseContactFieldTypeIterator::HasNext

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

//

TBool CVPbkBaseContactFieldTypeIterator::HasNext() const

    {

    return iIterator->HasNext();

    }

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

// Implementation for CVPbkBaseContactFieldTypeListIterator class

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

//

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

// CVPbkBaseContactFieldTypeListIterator::ConstructL

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

//

void CVPbkBaseContactFieldTypeListIterator::ConstructL(

        const MVPbkFieldTypeList& aFieldTypeList,

        const MVPbkBaseContactFieldCollection& aStoreFields )

    {

    iIterator = new (ELeave ) CBaseFieldByTypeListIterator( aFieldTypeList, aStoreFields );

    }

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

// CVPbkBaseContactFieldTypeListIterator::NewLC

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

//

EXPORT_C CVPbkBaseContactFieldTypeListIterator* CVPbkBaseContactFieldTypeListIterator::NewLC(

        const MVPbkFieldTypeList& aFieldTypeList,

        const MVPbkBaseContactFieldCollection& aFields)

    {

    CVPbkBaseContactFieldTypeListIterator* self =

        new(ELeave) CVPbkBaseContactFieldTypeListIterator;

    CleanupStack::PushL(self);

    self->ConstructL( aFieldTypeList, aFields  );

    return self;

    }

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

// CVPbkBaseContactFieldTypeListIterator::~CVPbkBaseContactFieldTypeListIterator

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

//

CVPbkBaseContactFieldTypeListIterator::~CVPbkBaseContactFieldTypeListIterator()

    {

    delete iIterator;

    }

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

// CVPbkBaseContactFieldTypeListIterator::Next

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

//

const MVPbkBaseContactField* CVPbkBaseContactFieldTypeListIterator::Next() const

    {

    return iIterator->Next();

    }

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

// CVPbkBaseContactFieldTypeListIterator::HasNext

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

//

TBool CVPbkBaseContactFieldTypeListIterator::HasNext() const

    {

    return iIterator->HasNext();

    }

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

// Implementation for CVPbkContactFieldTypeIterator class

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

//

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

// CVPbkContactFieldTypeIterator::ConstructL

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

//

void CVPbkContactFieldTypeIterator::ConstructL(

        const MVPbkFieldType& aFieldType,

        MVPbkStoreContactFieldCollection& aStoreFields )

    {

    iIterator = new (ELeave ) CStoreFieldByTypeIterator( aFieldType, aStoreFields );

    }

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

// CVPbkContactFieldTypeIterator::NewLC

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

//

EXPORT_C CVPbkContactFieldTypeIterator* CVPbkContactFieldTypeIterator::NewLC(

        const MVPbkFieldType& aFieldType,

        MVPbkStoreContactFieldCollection& aFields)

    {

    CVPbkContactFieldTypeIterator* self =

        new(ELeave) CVPbkContactFieldTypeIterator;

    CleanupStack::PushL(self);

    self->ConstructL( aFieldType, aFields  );

    return self;

    }

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

// CVPbkContactFieldTypeIterator::~CVPbkContactFieldTypeIterator

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

//

CVPbkContactFieldTypeIterator::~CVPbkContactFieldTypeIterator()

    {

    delete iIterator;

    }

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

// CVPbkContactFieldTypeIterator::Next

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

//

const MVPbkStoreContactField* CVPbkContactFieldTypeIterator::Next() const

    {

    return iIterator->Next();

    }

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

// CVPbkContactFieldTypeIterator::Next

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

//

MVPbkStoreContactField* CVPbkContactFieldTypeIterator::Next()

    {

    return iIterator->Next();

    }

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

// CVPbkContactFieldTypeIterator::HasNext

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

//

TBool CVPbkContactFieldTypeIterator::HasNext() const

    {

    return iIterator->HasNext();

    }

// end of file