--- a/javauis/amms_qt/ammscontrol/audio3D/inc/cammsdistanceattenuationcontrolgroup.h Tue May 11 16:07:20 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,162 +0,0 @@
-/*
-* Copyright (c) 2005-2007 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: Group for distance attenuation controls
-*
-*/
-
-
-#ifndef CAMMSDISTANCEATTENUATIONCONTROLGROUP_H
-#define CAMMSDISTANCEATTENUATIONCONTROLGROUP_H
-
-// INCLUDES
-#include <e32base.h>
-#include "cammsaudio3dcontrolgroup.h"
-
-// CONSTANTS
-_LIT(KAMMSDistanceAttenuationClassName,
- ".amms.control.audio3d.DistanceAttenuationControl");
-
-// FORWARD DECLARATIONS
-class CAMMSBaseDistanceAttenuationControl;
-
-// CLASS DECLARATION
-/**
- * Group for distance attenuation controls
- *
- * @since 3.0
- */
-NONSHARABLE_CLASS(CAMMSDistanceAttenuationControlGroup): public CAMMSAudio3DControlGroup
-{
-public: // Constructors and destructor
-
- /**
- * Two-phased constructor.
- */
- static CAMMSDistanceAttenuationControlGroup* NewLC();
-
- /**
- * Destructor.
- */
- ~CAMMSDistanceAttenuationControlGroup();
-
-public: // New functions
-
- /**
- * Returns the maximum distance. At the maximum distance, the gain does
- * not decrease any more. The exact behavior of the gain at distances
- * beyond the maximum distance depends on the value of muteAfterMax
- *
- * @return the maximum distance
- */
- TInt32 MaxDistance() const;
-
- /**
- * Returns the distance where the source is loudest.
- *
- * @return the minimum distance
- */
- TInt32 MinDistance() const;
-
- /**
- * Returns how the distance gain behaves for distances beyond the
- * maximum distance.
- *
- * @return true if beyond the maximum distance the source is silent,
- * or false if beyond the maximum distance the source's gain is held
- * constant at the level at the maximum distance
- */
- TBool MuteAfterMax() const;
-
- /**
- * Returns the rolloff factor for the distance gain.
- *
- * @return the rolloff factor as an exponent specified in thousandths
- */
- TUint32 RolloffFactor() const;
-
- /**
- * Sets all the 3D audio distance attenuation parameters simultaneously
- *
- * @param aMinDistance the minimum distance, below which the
- * distance gain is clipped to its maximum
- * value of 1.0
- * @param aMaxDistance the maximum distance, beyond which the
- * distance gain does not decrease any more
- * @param aMuteAfterMax a boolean determining how the distance
- * gain behaves at distances greater than
- * maxDistance
- * @param aRolloffFactor the rolloff factor
- */
- void SetParametersL(TInt32 aMinDistance, TInt32 aMaxDistance,
- TBool aMuteAfterMax, TUint32 aRolloffFactor);
-
-private: // New functions
- /**
- * Gets and casts a control. Ownership is not tranferred.
- *
- * @param aIndex Control index.
- */
- CAMMSBaseDistanceAttenuationControl* TypeSafeControl(TInt aIndex) const;
-
-public: // Functions from base classes
- /**
- * Returns class name that identifies this control group.
- *
- * @return Control group name.
- */
- const TDesC16& ClassName();
-
-protected:
- /**
- * Transfers all the pending parameters to the audio processing system.
- *
- * @param aCommit variable id that need to be commited
- */
- virtual void CommitL(TInt aCommit);
-
- /**
- * Called by when a new player is added
- *
- * @param aPlayer The player being added
- * @param aControl The player's control relevant to this group
- */
- void NotifyPlayerAddedL(CMMAPlayer* aPlayer, CMMAControl* aControl);
-
-private:
- /**
- * C++ default constructor.
- */
- CAMMSDistanceAttenuationControlGroup();
-
-private: // Data
-
- class TVariables
- {
- public:
-
- TInt32 iMinDistance;
- TInt32 iMaxDistance;
- TBool iMuteAfterMax;
- TUint32 iRolloffFactor;
- };
-
- TVariables iCommited; // holder for variables after commit
- TVariables iUncommited; // holder for variables before commit
-
- enum TCommit { EDistance = 1 };
-};
-
-#endif // CAMMSDISTANCEATTENUATIONCONTROLGROUP_H
-
-