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#ifndef QCONTACTMAEMO5BACKEND_P_H

#define QCONTACTMAEMO5BACKEND_P_H

#include "qcontactmanager.h"

#include "qcontactmanager_p.h"

#include <QMap>

#include <QString>

#include <QList>

#include <QQueue>

#include <QDebug>

#include "qtcontacts.h"

#include "qcontactabook_p.h"

#include "qcontactchangeset.h"

#define MAEMO5_ENGINE_VERSION 0.1

QTM_USE_NAMESPACE

Q_DEFINE_LATIN1_CONSTANT(AddressFieldExtension, "X-Maemo5-Extension");

class Q_DECL_EXPORT ContactMaemo5Factory : public QObject, public QContactManagerEngineFactory

{

  Q_OBJECT

  Q_INTERFACES(QtMobility::QContactManagerEngineFactory)

  public:

    QContactManagerEngine* engine(const QMap<QString, QString>& parameters, QContactManager::Error*);

    QString managerName() const;

};

class QContactMaemo5EngineData : public QSharedData

{

public:

    QContactMaemo5EngineData()

        : QSharedData(),

        m_refCount(QAtomicInt(1)),

        m_abook(new QContactABook)

    {  

    }

    QContactMaemo5EngineData(const QContactMaemo5EngineData& other)

        : QSharedData(other),

        m_refCount(QAtomicInt(1)),

        m_abook(other.m_abook)

    {

    }

    ~QContactMaemo5EngineData()

    {

      delete m_abook;

    }

    QAtomicInt m_refCount;

    QContactABook *m_abook;

};

class QContactMaemo5Engine : public QContactManagerEngine

{

  Q_OBJECT

  public:

    QContactMaemo5Engine();

    QContactMaemo5Engine& operator=(const QContactMaemo5Engine& other);

    QString managerName() const;

    QString synthesizedDisplayLabel(const QContact& contact, QContactManager::Error* error) const;

    bool validateContact(const QContact&, QContactManager::Error* error) const;

    bool validateDefinition(const QContactDetailDefinition&, QContactManager::Error* error) const;

    QContact compatibleContact(const QContact& contact, QContactManager::Error* error) const;

    /* "Self" contact id (MyCard) */

    QContactLocalId selfContactId(QContactManager::Error* errors) const;

    /* Filtering */

    QList<QContactLocalId> contactIds(const QContactFilter& filter, const QList<QContactSortOrder>& sortOrders, QContactManager::Error* error) const;

    /* Contacts - Accessors and Mutators */

    QContact contact(const QContactLocalId& contactId, const QContactFetchHint& fetchHint, QContactManager::Error* error) const;

    QList<QContact> contacts(const QContactFilter& filter, const QList<QContactSortOrder>& sortOrders, const QContactFetchHint& fetchHint, QContactManager::Error* error ) const;

    bool saveContact(QContact* contact, QContactManager::Error* error);

    bool removeContact(const QContactLocalId& contactId, QContactManager::Error* error);

    bool saveContacts(QList<QContact>*, QMap<int, QContactManager::Error>*, QContactManager::Error* error); // implemented in terms of the singular saveContact

    bool removeContacts(const QList<QContactLocalId>&, QMap<int, QContactManager::Error>*, QContactManager::Error* error); // implemented in terms of the singular removeContact

    /* Definitions - Accessors and Mutators */

    QMap<QString, QContactDetailDefinition> detailDefinitions(const QString& contactType, QContactManager::Error* error) const;

    QContactDetailDefinition detailDefinition(const QString& definitionName, const QString& contactType, QContactManager::Error* error) const; // implemented in terms of the plural detailDefinitions

    /* Version Reporting */

    int implementationVersion() const { return MAEMO5_ENGINE_VERSION; };

    int managerVersion() const { return MAEMO5_ENGINE_VERSION; }; 

    /* Capabilities reporting */

    bool hasFeature(QContactManager::ManagerFeature feature, const QString& contactType) const;

    bool isFilterSupported(const QContactFilter& filter) const;

    QList<QVariant::Type> supportedDataTypes() const;

    QStringList supportedContactTypes() const {return (QStringList() << QContactType::TypeContact);}

    /* Asynchronous Request Support - synchronous versions until thread worker is stable */

    void requestDestroyed(QContactAbstractRequest *req);

    bool startRequest(QContactAbstractRequest *req);

    bool cancelRequest(QContactAbstractRequest *req);

    bool waitForRequestProgress(QContactAbstractRequest* req, int msecs);

    bool waitForRequestFinished(QContactAbstractRequest* req, int msecs);

  private slots:

    void performAsynchronousOperation();

  private:  

    QQueue<QContactAbstractRequest*> m_asynchronousOperations; // async requests to be performed.

    QSharedDataPointer<QContactMaemo5EngineData> d;

};

#endif