/*!

* Copyright (c) 2009 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: Provides information about ongoing calls.

*

*/

#ifndef XQCALLINFO_H

#define XQCALLINFO_H

#include <QObject>

#include <QString>

#include <ccpdefs.h>

// forward declarations 

class XQCallInfoImpl;

/*!

    CallInfo

    Holds calls information.

*/

NONSHARABLE_CLASS( CallInfo )

    {

public:

    int callIndex() const { return  m_Index; }

    CCPCall::TCallType callType() const { return  m_Type; }

    CCPCall::TCallState callState() const { return  m_State; }

    unsigned int serviceId() const { return  m_ServiceId; }

    CCPCall::TCallDirection callDirection() const { return  m_Direction; }

    CCPCall::TCallState m_State;

    CCPCall::TCallType  m_Type;

    CCPCall::TCallDirection  m_Direction;

    int  m_Index;

    unsigned int  m_ServiceId;

    };

#ifdef BUILD_XQCALLINFO

#define XQCALLINFO_EXPORT Q_DECL_EXPORT

#else

#define XQCALLINFO_EXPORT Q_DECL_IMPORT

#endif

/*!

    XQCallInfo

    Class to be used for receiving information about ongoing calls. 

    @code

    XQCallInfo *callInfo = XQCallInfo::create(); 

    @endcode

*/

class XQCALLINFO_EXPORT XQCallInfo: public QObject

{

    Q_OBJECT

public:

    /*!

        \fn XQCallInfo *create

        Creates XQCallInfo instance.

    */

    static XQCallInfo *create();

    /*!

        \fn void getCallsL(QList<CallInfo> &calls)

        Gets the snapshot of ongoing calls.

    */

    virtual void getCalls(QList<CallInfo> &calls) = 0;

    /*!

        \fn bool isCallInState( CCPCall::TCallState state ) const

        Returns information whether call in given state exist.

    */

    virtual bool isCallInState(CCPCall::TCallState state) const = 0;

signals:

    /*!

        \fn void CallInformationChanged()

        Signals that there are changes in ongoing calls. Client should fetch 

        the call infomations after receiving the notification.

    */

    void callInformationChanged();

protected:

    /*!

        \fn void sendSignal()

        Sends signal call info changed signal to client's.

    */

    void sendCallInfoChangedSignal();

    /*!

       Constructor

    */

    XQCallInfo();

};

#endif // XQCALLINFO_H