javauis/mmapi_qt/baseline/src/cmmamidivolumecontrol.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 31 Aug 2010 15:09:22 +0300
branchRCL_3
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Revision: v2.2.11 Kit: 201035
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/*
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* Copyright (c) 2002-2007 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  This class is used for setting volume to audio player
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*
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*/
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#include <logger.h>
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#include "cmmamidivolumecontrol.h"
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#include "cmmamidiplayer.h"
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CMMAMIDIVolumeControl::CMMAMIDIVolumeControl(CMMAMIDIPlayer* aPlayer)
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        : CMMAVolumeControl(aPlayer)
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{
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    iPlayer = aPlayer;
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}
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void CMMAMIDIVolumeControl::ConstructL()
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{
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    ConstructBaseL();
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}
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CMMAMIDIVolumeControl* CMMAMIDIVolumeControl::NewL(CMMAMIDIPlayer* aPlayer)
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{
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    CMMAMIDIVolumeControl* self = new(ELeave)CMMAMIDIVolumeControl(aPlayer);
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    CleanupStack::PushL(self);
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    self->ConstructL();
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    CleanupStack::Pop();
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    return self;
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}
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void CMMAMIDIVolumeControl::DoSetLevelL(TInt aLevel)
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{
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    CMidiClientUtility* midi = iPlayer->MidiClient();
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    TInt maxVolume = midi->MaxVolumeL();
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    midi->SetVolumeL(aLevel * maxVolume / KMMAVolumeMaxLevel);
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}
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TInt CMMAMIDIVolumeControl::DoGetLevelL()
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{
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    CMidiClientUtility* midi = iPlayer->MidiClient();
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    // result is in range 0..100
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    return (midi->VolumeL() * KMMAVolumeMaxLevel / midi->MaxVolumeL());
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}
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//  END OF FILE
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