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#ifndef CNTDISPLAYLABEL_H_
#define CNTDISPLAYLABEL_H_

#include <QObject>
#include <QLatin1String>
#include <e32base.h>

#include <qcontactmanager.h>
#include <qcontact.h>
#include <qcontactdetail.h>


#include <qmobilityglobal.h>

QTM_USE_NAMESPACE

class CRepository;
class CntDisplayLabel;

#include <centralrepository.h>

// CONSTANTS
// Please keep this in sync with the values in the system header file <cntuids.h>
// We cannot include this system header file because it is owned by an app layer
// package (Contacts package). This being a mw layer, the dependency is not allowed
// Cenrep UIDs used in Avkon & QML phonebook apps. Name ordering is checked in either
// app depending on the one available. Priority is given to QML. Synchronizing of the
// key values is done by the applications
// QML phonebook UIDs
const TUid KCRCntSettings = {0x2002FF54};
const TUint32 KCntNameOrdering = 0x00000001;

const TUid KCRUidPhonebook = {0x101f8794};
const TUint32 KPhonebookNameOrdering = 0x00000001;

// name order enumerations
// Please keep this in sync with <cntuids.h> See above comments
enum NameOrder {
    CntOrderLastFirst = 0x0,
    CntOrderLastCommaFirst = 0x1,
    CntOrderFirstLast = 0x2
};

class MDisplayLabel
{
public:
    virtual void updateNameOrdering() = 0;
};

/**
 * This class is used to listen to central repository value changes
 * of Contacts app settings. It is also used to get key values for
 * name ordering
 */
class CntCenrep : public CActive
{
public:
    CntCenrep(MDisplayLabel& aDisplayLabel );
    ~CntCenrep();
 
public:
    int getValue();

private:
    void RunL();
    TInt RunError(TInt aError);
    void DoCancel();

private:
    CRepository*                iCenrep;
    MDisplayLabel&              iDisplayLabel;
    TUint32                     iKey;
    int                         iValue;
};

class CntDisplayLabel : public QObject, public MDisplayLabel
{
    Q_OBJECT
    
public:
    CntDisplayLabel();
    virtual ~CntDisplayLabel();

    QString synthesizedDisplayLabel( const QContact& contact, QContactManager::Error* error);
    QList<QPair<QLatin1String, QLatin1String> > contactFilterDetails() const;
    QList<QPair<QLatin1String, QLatin1String> > groupFilterDetails() const;
    void updateNameOrdering();

signals:
    void displayLabelChanged();
    
private:
    void setDisplayLabelDetails();
    QString generateDisplayLabel( const QContact &contact, const QList<QList<QPair<QLatin1String, QLatin1String> > > detailList) const;
    QString delimiter() const;
    QString comma() const;
    
private:
    QList<QList<QPair<QLatin1String, QLatin1String> > > m_contactDisplayLabelDetails;
    QList<QList<QPair<QLatin1String, QLatin1String> > > m_groupDisplayLabelDetails;
    CntCenrep* m_settings;
    int m_nameOrder;
};

#endif /* CNTDISPLAYLABEL_H_ */
