javauis/amms_qt/mmacontrol/src/cammsvolumecontrol.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 11 May 2010 16:07:20 +0300
branchRCL_3
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/*
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* Copyright (c) 2005 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:  Controls the volume of a CMMAVolumeControl.
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*
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*/
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// INCLUDE FILES
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#include <cmmavolumecontrol.h>
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#include <logger.h>
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#include "cammsvolumecontrol.h"
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#ifdef _DEBUG
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// CONSTANTS
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const TInt KAMMSMaxVolume = 100;
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const TInt KAMMSMinVolume = 0;
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#endif // _DEBUG
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// ============================ MEMBER FUNCTIONS ===============================
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// -----------------------------------------------------------------------------
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// CAMMSVolumeControl::NewLC
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// Two-phased constructor.
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// -----------------------------------------------------------------------------
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CAMMSVolumeControl* CAMMSVolumeControl::NewLC(const TDesC& aControlName,
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        CMMAVolumeControl* aVolumeControl, CMMAPlayer* aPlayer)
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{
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    CAMMSVolumeControl* self = new(ELeave) CAMMSVolumeControl(
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        aControlName, aVolumeControl, aPlayer);
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    CleanupStack::PushL(self);
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    self->ConstructL();
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    return self;
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}
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// Destructor
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CAMMSVolumeControl::~CAMMSVolumeControl()
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{
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    LOG( EJavaAMMS, EInfo, "AMMS::CAMMSVolumeControl::~CAMMSVolumeControl");
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}
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// -----------------------------------------------------------------------------
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// CAMMSVolumeControl::SetVolumeL
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// Sets the volume level.
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// -----------------------------------------------------------------------------
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//
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void CAMMSVolumeControl::SetVolumeL(TInt aVolume)
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{
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    // Check in debug build that aVolume is within valid range.
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    __ASSERT_DEBUG(
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        (aVolume <= KAMMSMaxVolume) &&
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        (aVolume >= KAMMSMinVolume),
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        User::Invariant());
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    LOG1( EJavaAMMS, EInfo, "AMMS::CAMMSVolumeControl::SetVolumeL: Volume = %d", aVolume);
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    iVolumeControl->SetVolumeLevelL(iControlLevelIndex, aVolume);
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}
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const TDesC& CAMMSVolumeControl::ClassName() const
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{
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    return iClassName;
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}
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// -----------------------------------------------------------------------------
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// CAMMSVolumeControl::ConstructL
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// Symbian 2nd phase constructor can leave.
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// -----------------------------------------------------------------------------
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void CAMMSVolumeControl::ConstructL()
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{
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    iControlLevelIndex = iVolumeControl->AddLevelL();
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    LOG1( EJavaAMMS, EInfo, "AMMS::CAMMSVolumeControl::ConstructL level index = %d",
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              iControlLevelIndex);
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}
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// -----------------------------------------------------------------------------
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// CAMMSVolumeControl::CAMMSVolumeControl
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// C++ default constructor can NOT contain any code, that
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// might leave.
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// -----------------------------------------------------------------------------
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CAMMSVolumeControl::CAMMSVolumeControl(
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    const TDesC& aControlName,
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    CMMAVolumeControl* aVolumeControl,
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    CMMAPlayer* aPlayer) :
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        CAMMSControl(aPlayer),
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        iClassName(aControlName)
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{
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    iVolumeControl = aVolumeControl;
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}
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//  End of File
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