/****************************************************************************

**

** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (qt-info@nokia.com)

**

** This file is part of the Qt Mobility Components.

**

** $QT_BEGIN_LICENSE:LGPL$

** No Commercial Usage

** This file contains pre-release code and may not be distributed.

** You may use this file in accordance with the terms and conditions

** contained in the Technology Preview License Agreement accompanying

** this package.

**

** GNU Lesser General Public License Usage

** Alternatively, this file may be used under the terms of the GNU Lesser

** General Public License version 2.1 as published by the Free Software

** Foundation and appearing in the file LICENSE.LGPL included in the

** packaging of this file.  Please review the following information to

** ensure the GNU Lesser General Public License version 2.1 requirements

** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

**

** In addition, as a special exception, Nokia gives you certain additional

** rights.  These rights are described in the Nokia Qt LGPL Exception

** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

**

** If you have questions regarding the use of this file, please contact

** Nokia at qt-info@nokia.com.

**

**

**

**

**

**

**

**

** $QT_END_LICENSE$

**

****************************************************************************/

#ifndef QCONTACTIDSHASH_H

#define QCONTACTIDSHASH_H

#include <QByteArray>

#include "qcontactmaemo5debug_p.h"

#include "qtcontacts.h"

QTM_USE_NAMESPACE

/* QContactIDsHash stores abookContact IDs (strings)*/

class QContactIDsHash{

public:

  QContactIDsHash(){};

  /* Append */

  QContactIDsHash& operator<< (const QByteArray& eContactId){

    const QContactLocalId key = qChecksum(eContactId, eContactId.size());

    if (m_localIds.contains(key))

      return (*this);

    m_localIds[key] = eContactId;

    QCM5_DEBUG << "Add key:" << key << "eContactId:" << eContactId;

    return (*this);

  };

  const QContactLocalId append(const QByteArray& eContactId){

    const QContactLocalId key = qChecksum(eContactId, eContactId.size());

    if (m_localIds.contains(key))

      return key;

    m_localIds[key] = eContactId;

    QCM5_DEBUG << "Add key:" << key << "eContactId:" << eContactId;

    return key;

  };

  /* Find */

  const char* operator[] (const QContactLocalId localId) { return m_localIds.value(localId).constData(); };

  const char* find(const QContactLocalId localId) { return m_localIds.value(localId).constData(); };

  const QContactLocalId operator[] (const QByteArray& eContactId) { return m_localIds.key(eContactId, 0); };

  const QContactLocalId find(const QByteArray& eContactId) { return m_localIds.key(eContactId, 0); };

  /* Remove */

  bool remove(const QContactLocalId localId){ bool removed = (m_localIds.remove(localId) == 1) ? true : false;

                                              QCM5_DEBUG << "Remove QContactLocalId:" << localId << ((removed) ? "OK" : "NO");

                                              return removed;

                                            };

  bool remove(const QByteArray& eContactId){ 

    const QContactLocalId hashKey = m_localIds.key(eContactId, 0);

    bool removed = remove(hashKey);

    QCM5_DEBUG << "Remove QContactLocalId:" << hashKey << ((removed) ? "OK" : "NO");

    return removed;

  };

  /* Take */

  const QContactLocalId take(const QByteArray& eContactId){

    const QContactLocalId hashKey = m_localIds.key(eContactId, 0);

    remove(hashKey);

    return hashKey;

  };

private:

  QHash<QContactLocalId, QByteArray> m_localIds; //[int/QContactLocalId Maemo5LocalId, QByteArray eContactID]

};

#endif