mtpdataproviders/mtpplaybackcontroldp/mtpplaybackinterface/inc/cmtpplaybackcommand.h
// 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:
//
/**
@file
@internalComponent
*/
#ifndef CMTPPLAYBACKCOMMAND_H
#define CMTPPLAYBACKCOMMAND_H
#include "mmtpplaybackinterface.h"
#include "cmtpplaybackparam.h"
class TMTPPbDataVolume
{
public:
TMTPPbDataVolume(TUint32 aMax, TUint32 aMin, TUint32 aDefault, TUint32 aCurrent, TUint32 aStep);
TMTPPbDataVolume(const TMTPPbDataVolume& aVol);
void SetVolume(TUint32 aMax, TUint32 aMin, TUint32 aDefault, TUint32 aCurrent, TUint32 aStep);
void operator =(const TMTPPbDataVolume& aVol);
TUint32 MaxVolume() const;
TUint32 MinVolume() const;
TUint32 DefaultVolume() const;
TUint32 CurrentVolume() const;
TUint32 Step() const;
private:
TUint32 iMaxVolume;
TUint32 iMinVolume;
TUint32 iDefaultVolume;
TUint32 iCurrentVolume;
TUint32 iStep;
};
/**
* Encapsulates parameter for command EPlaybackCmdInitObject
*/
class CMTPPbCmdParam : public CMTPPbParamBase
{
public:
static CMTPPbCmdParam* NewL(TMTPPbCategory aCategory, const TDesC& aSuid);
static CMTPPbCmdParam* NewL(TInt32 aValue);
static CMTPPbCmdParam* NewL(TUint32 aValue);
static CMTPPbCmdParam* NewL(const CMTPPbCmdParam& aParam);
static CMTPPbCmdParam* NewL(const TMTPPbDataVolume& aVolume);
~CMTPPbCmdParam();
public:
const TMTPPbDataVolume& VolumeSetL() const;
private:
/**
* The constuctor.
* @param aCategory, category of object for initialization,
*/
CMTPPbCmdParam();
CMTPPbCmdParam(TMTPPbCategory aCategory, const TDesC& aSuid);
CMTPPbCmdParam(TInt32 aValue);
CMTPPbCmdParam(TUint32 aValue);
CMTPPbCmdParam(const TMTPPbDataVolume& aVolume);
void ConstructL(TMTPPbCategory aCategory, const TDesC& aSuid);
void ConstructL(TInt32 aValue);
void ConstructL(TUint32 aValue);
void ConstructL(const TMTPPbDataVolume& aVolume);
void ConstructL(const CMTPPbCmdParam& aParam);
};
/**
Implements the CMTPPlaybackCommand.
@internalComponent
*/
class CMTPPlaybackCommand : public CBase
{
public:
static CMTPPlaybackCommand* NewL(TMTPPlaybackCommand aCmd, CMTPPbCmdParam* aParam);
static CMTPPlaybackCommand* NewL(const CMTPPlaybackCommand& aCmd);
void SetParam(CMTPPbCmdParam* aParam);
const CMTPPbCmdParam& ParamL() const;
TMTPPlaybackCommand PlaybackCommand() const;
TBool HasParam() const;
~CMTPPlaybackCommand();
private:
CMTPPlaybackCommand(TMTPPlaybackCommand aCmd, CMTPPbCmdParam* aParam);
void ConstructL(const CMTPPlaybackCommand& aParam);
void ConstructL();
private: // Owned.
const TMTPPlaybackCommand iPbCmd;
CMTPPbCmdParam* iParam;
};
#endif //CMTPPLAYBACKCOMMAND_H