Current Symbian^3 public API header files (from PDK 3.0.h)
This is the epoc32/include tree with the "platform" subtrees removed, and
all but a selected few mbg and rsg files removed.
/*
* Copyright (c) 2002-2007 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 base interface for contact field data.
* Sub classes have static Cast functions for safe casting.
*
*/
#ifndef MVPBKCONTACTFIELDDATA_H
#define MVPBKCONTACTFIELDDATA_H
// INCLUDES
#include <e32cmn.h>
#include <e32std.h>
#include <vpbkfieldtype.hrh>
// CONSTANTS
/// Constant indicating that field length is unlimited.
const TInt KVPbkUnlimitedFieldLength = -1;
// CLASS DECLARATIONS
/**
* Virtual Phonebook field data interface.
* Interface for contact field data. Different data type interfaces
* are derived from this interface, which have data manipulation
* functionality.
*/
class MVPbkContactFieldData
{
public: // Destructor
/**
* Destructor.
*/
virtual ~MVPbkContactFieldData() { }
public: // New functions
/**
* Returns the derived data type id.
* @return Contact field storage type.
*/
virtual TVPbkFieldStorageType DataType() const =0;
/**
* Returns true if the storage is empty.
* @return ETrue if the data field is empty.
*/
virtual TBool IsEmpty() const =0;
/**
* Copies data from given field data.
* @param aFieldData Data that is copied to this object.
* @precond aFieldData.DataType() == this->DataType()
*/
virtual void CopyL(const MVPbkContactFieldData& aFieldData) =0;
/**
* Returns an extension point for this interface or NULL.
* @param aExtensionUid Uid of extension.
* @return Extension point or NULL.
*/
virtual TAny* ContactFieldDataExtension(
TUid /*aExtensionUid*/) { return NULL; }
};
#endif // MVPBKCONTACTFIELDDATA_H
// End of File