javauis/amms_qt/mmacontrol/inc.emc/cammsemcaudiovirtualizercontrol.h
changeset 23 98ccebc37403
--- /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 <e32base.h>
+#include "cammseffectcontrol.h"
+#include "cammseffectcontrolgroup.h"
+#include <cmmaemcaudioplayer.h>
+#include<StereoWideningControl.h>
+//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<KAMMSMaxPresetNameLength> 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
+
+