examples/SFExamples/Quick_Recipes_on_Symbian_OS_Multimedia_Example_Code/AudioTone/src/AudioTonePlayer.cpp

// 
// Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).
// All rights reserved.
// This component and the accompanying materials are made available
// under the terms of the License "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:  CAudioTonePlayer implementation
// 
// 


// INCLUDE FILES
#include <eikenv.h>
#include "AudioTonePlayer.h"

// CONSTANTS
const TInt KVolumeDenominator = 2;

// METHODS DEFINITION

CAudioTonePlayer::CAudioTonePlayer()
        {
        }

CAudioTonePlayer::~CAudioTonePlayer()
        {
        delete iTonePlayer;
        }

CAudioTonePlayer* CAudioTonePlayer::NewLC()
        {
        CAudioTonePlayer* self = new (ELeave)CAudioTonePlayer();
        CleanupStack::PushL(self);
        self->ConstructL();
        return self;
        }

CAudioTonePlayer* CAudioTonePlayer::NewL()
        {
        CAudioTonePlayer* self=CAudioTonePlayer::NewLC();
        CleanupStack::Pop(self);
        return self;
        }

void CAudioTonePlayer::ConstructL()
        {
        iTonePlayer = CMdaAudioToneUtility::NewL(*this);
        }

void CAudioTonePlayer::PlayTone(TInt aFrequency,
                TTimeIntervalMicroSeconds aDuration)
        {
        Stop();
        iTonePlayer->PrepareToPlayTone(aFrequency, aDuration);
        }

void CAudioTonePlayer::PlayDualTone(TInt aFrequency1, TInt aFrequency2,
                TTimeIntervalMicroSeconds aDuration)
        {
        Stop();
        iTonePlayer->PrepareToPlayDualTone(aFrequency1, aFrequency2,
                        aDuration);
        }

void CAudioTonePlayer::Stop()
        {
        iTonePlayer->CancelPlay();
        }

void CAudioTonePlayer::MatoPrepareComplete(TInt aError)
        {
        if (KErrNone == aError)
                {
                iTonePlayer->SetVolume(iTonePlayer->MaxVolume()
                                / KVolumeDenominator);
                iTonePlayer->Play();
                }
        else
                {
                // Do something when error happens.
                DisplayErrorMessage(aError);
                }
        }

void CAudioTonePlayer::MatoPlayComplete(TInt aError)
        {
        if (KErrNone == aError)
                {
                }
        else
                {
                // Do something when error happens.
                DisplayErrorMessage(aError);
                }
        }

void CAudioTonePlayer::DisplayErrorMessage(TInt aError)
        {
        const TInt KMaxBuffer = 15;
        _LIT(KErrorMessage, "Error: %d");
        TBuf<KMaxBuffer> buffer;
        buffer.AppendFormat(KErrorMessage, aError);
        TRAP_IGNORE(CEikonEnv::Static()->InfoWinL(KNullDesC, buffer));
        }

// End of File

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