/*
* Copyright (c) 2010 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: QT Bindings for TMS
*
*/
#ifndef QTMS_GLOBAL_VOL_EFFECT_H
#define QTMS_GLOBAL_VOL_EFFECT_H
#include <qtms.h>
#include <qtmseffect.h>
#include <QObject>
#include <qglobal.h>
#include "qtmswrapperexport.h"
// FORWARD DECLARATIONS
namespace TMS
{
class TMSEffect;
}
namespace QTMS
{
/**
* QTMSGlobalVolEffect class
*
* This class provides volume level control in the global QTMS scope. Volume
* level changes done by any client are adjusted accross all calls serviced
* by the QTMS server.
*
* @lib QTMSapi.lib
*
*/
class QTMS_WRAPPER_DLL_EXPORT QTMSGlobalVolEffect : public QObject,
public QTMSEffect
{
Q_OBJECT
public:
/**
* Destructor
*/
virtual ~QTMSGlobalVolEffect();
/**
* Set global audio volume level. The volume level should be between 0
* and the max value returned by GetMaxLevel().
*
* @param level
* the volume level to be set.
* @return
* QTMS_RESULT_SUCCESS if the operation was successful.
*/
gint SetLevel(const guint level);
/**
* Return current global audio volume level.
*
* @param level
* Volume level to be set.
*
* @return
* QTMS_RESULT_SUCCESS if the operation was successful.
*
*/
gint GetLevel(guint& level);
/**
* Return max volume level supported by the device.
*
* @param level
* Max volume level.
*
* @return
* QTMS_RESULT_SUCCESS if the operation was successful.
*
*/
gint GetMaxLevel(guint& level);
/**
* Return effect type.
*
* @param effecttype
* Type of the effect object (QTMS_EFFECT_GLOBAL_VOL).
*
* @return
* QTMS_RESULT_SUCCESS if the operation was successful.
*
*/
virtual gint GetType(QTMSEffectType& effecttype);
Q_SIGNALS:
void EffectsEvent(const QTMSEffect& tmseffect, QTMSSignalEvent event);
protected:
/**
* Constructor
*/
QTMSGlobalVolEffect();
protected:
TMS::TMSEffect* iEffect;
};
} //namespace QTMS
#endif //QTMS_GLOBAL_VOL_EFFECT_H