diff -r 2a9601315dfc -r 98ccebc37403 javauis/amms_qt/mmacontrol/inc.emc/cammsemcaudiovirtualizercontrol.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/javauis/amms_qt/mmacontrol/inc.emc/cammsemcaudiovirtualizercontrol.h Fri May 14 15:47:24 2010 +0300 @@ -0,0 +1,169 @@ +/* +* Copyright (c) 2005 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: Virtualizes audio channels. +* +*/ + + +#ifndef CAMMSEMCAUDIOVIRTUALIZERCONTROL_H +#define CAMMSEMCAUDIOVIRTUALIZERCONTROL_H + +// INCLUDES +#include +#include "cammseffectcontrol.h" +#include "cammseffectcontrolgroup.h" +#include +#include +//Utility for getting EnvironmentalPreset +#include "cammsemcaudiovirtualizerenvironmentalpresetutility.h" + + +using multimedia :: KStereoWideningEffectControl; +using multimedia :: MStereoWideningControl; + + +// CONSTANTS +_LIT(KAMMSEMCAudioVirtualizerControl, "AudioVirtualizerControl"); + +// CLASS DECLARATION +/** +* +* Controls for the Audio Virtualizer effect. +* This class delegates Audio Virtualizer effect method calls to +* CStereoWidening. +* +* +* @since 5.1 +*/ +NONSHARABLE_CLASS(CAMMSEMCAudioVirtualizerControl): public CAMMSEffectControl +{ +public: // Constructors and destructor + + /** + * Two-phased constructor. + * @param aPlayer Player that has this control. + */ + static CAMMSEMCAudioVirtualizerControl* NewLC(CMMAPlayer* aPlayer); + + /** + * Destructor. + */ + ~CAMMSEMCAudioVirtualizerControl(); + +public: // Functions from base classes + /** + * Sets the effect according to the given preset. + * + * @param aPreset The new preset that will be taken into use. + * + * @par Leaving: + * @li \c KErrArgument - \a aPreset is not available or it is null. + */ + void SetPresetL(const TDesC& aPreset); + + /** + * Gets the available preset names. + * + * @return The names of all the available preset modes. + */ + const CDesCArray& PresetNamesL(); + + /** + * Gets the current preset. + * + * @return The preset that is set at the moment. If none of the presets + * is set, null will be returned. + */ + const TDesC& PresetL(); + + /** + * Enables/disables the effect. + * + * @param aEnabled The boolean value, true=enabled, false=disabled. + * + * @par Leaving: + * From Java API the leave codes are: + * - java.lang.IllegalStateException - if the effect cannot be enabled + * in this state of the player. + * - javax.microedition.media.MediaException - if enabling is not + * supported (with the scope set). + */ + void SetEnabledL(TBool aEnable); + + const TDesC& ClassName() const; + + /** + * Prepares the Control. + */ + void PrepareControlL(); + + /** + * Deallocates the Control. + */ + void DeallocateControl(); + +public: // overriden virtual functions from CAMMSEffectControl + + + virtual void SetEnforcedL(TBool aEnforced); + + virtual TBool Enforced(); + + virtual void SetScopeL(TInt aScope); + + virtual TInt Scope(); + +protected: + + virtual void ApplySettingsL(); + +private: + /** + * C++ constructor. + * @param aPlayer Player that has this control. + */ + CAMMSEMCAudioVirtualizerControl(CMMAPlayer* aPlayer); + + /** + * By default Symbian 2nd phase constructor is private. + */ + void ConstructL(); + +private: // Data + + /** Array for querying the preset names, owned */ + CDesCArray* iPresetNames; + TBuf iPresetName; + + /** Index of the current preset */ + TInt iCurrentPreset; + /* AudioVirtualizer utility to get preset and data related to that preset*/ + CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility * iAMMSEMCAudioVirtualizerEnvironmentalPresetUtility; + +private: + + CMMAPlayer *iMMAPlayer; + /** + * EMC AudioVirtualizer Control + */ + CMultimediaFactory* iFactory; + MStreamControl* iStreamControl; + MStereoWideningControl *iMStereoWideningControl; + + +}; + +#endif // CAMMSEMCAUDIOVIRTUALIZERCONTROL_H + +