diff -r 6c158198356e -r ae942d28ec0e javauis/amms_qt/mmacontrol/src.emc/cammsemcequalizerenvironmentalpresetutility.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/amms_qt/mmacontrol/src.emc/cammsemcequalizerenvironmentalpresetutility.cpp	Tue Aug 31 15:09:22 2010 +0300
@@ -0,0 +1,180 @@
+/*
+* 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 effect controls
+*
+*/
+
+
+// INCLUDE FILES
+#include <logger.h>
+#include "cammsemcequalizerenvironmentalpresetutility.h"
+
+const TInt KAMMSEMCPresetGranularity = 5;
+
+
+
+// ============================ MEMBER FUNCTIONS ===============================
+// Constructors
+
+CAMMSEMCEqualizerEnvironmentalPresetUtility::CAMMSEMCEqualizerEnvironmentalPresetUtility()
+{
+    LOG( EJavaAMMS, EInfo, "AMMS::CAMMSEMCEqualizerEnvironmentalPresetUtility:: CAMMSEMCEqualizerEnvironmentalPresetUtility()");
+}
+
+// Destructor
+CAMMSEMCEqualizerEnvironmentalPresetUtility::~CAMMSEMCEqualizerEnvironmentalPresetUtility()
+{
+    LOG( EJavaAMMS, EInfo, "AMMS::CAMMSEMCEqualizerEnvironmentalPresetUtility::~ +");
+    delete iPresetNames;
+    if (iEmptyEqualizerUtility)
+    {
+        TRAPD(err,iEmptyEqualizerUtility ->DisableEqualizerL());
+        if (err)
+        {
+            // The only even theoritically possible error code here would be
+            // KErrAccessDenied which is a result from Effect API calling ApplyL
+            // method without having update rights, but since the Utility
+            // class is already created, that situation can be discarded here.
+        }
+        delete iEmptyEqualizerUtility;
+        iEmptyEqualizerUtility = NULL;
+    }
+    LOG( EJavaAMMS, EInfo, "AMMS::CAMMSEMCEqualizerEnvironmentalPresetUtility::~ -");
+}
+
+// -----------------------------------------------------------------------------
+// CAMMSEMCEqualizerEnvironmentalPresetUtility::GetPresetAtIndexL
+// Gets the current preset.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+void CAMMSEMCEqualizerEnvironmentalPresetUtility::GetPresetAtIndexL(TDes& aPreset ,TInt iIndex)
+{
+    LOG( EJavaAMMS, EInfo, "AMMS::CAMMSEMCEqualizerEnvironmentalPresetUtility::GetPresetAtIndexL +");
+    // Return KNullDesC if no preset is set.
+    if (iIndex >= 0)
+    {
+
+        TArray< TEfAudioEqualizerUtilityPreset > presetNames =
+            iEmptyEqualizerUtility->Presets();
+        aPreset = presetNames[ iIndex ].iPresetName ;
+
+    }
+    else
+    {
+        aPreset = KNullDesC;
+    }
+
+    LOG( EJavaAMMS, EInfo, "AMMS::CAMMSEMCEqualizerEnvironmentalPresetUtility::GetPresetAtIndexL -");
+}
+
+// -----------------------------------------------------------------------------
+// CAMMSEMCEqualizerEnvironmentalPresetUtility::PrepareEmptyEqualizerUtilitiesL
+// Creates utilities that can be used to obtain preset names and preset data.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+void CAMMSEMCEqualizerEnvironmentalPresetUtility::PrepareEmptyEqualizerUtilitiesL()
+{
+    LOG( EJavaAMMS, EInfo, "AMMS::CAMMSEMCEqualizerEnvironmentalPresetUtility::PrepareEmptyEqualizerUtilitiesL +");
+    //Calling base class function to create and initialize the CMMFDevSound
+    CreateAndInitializeDevSoundL();
+    if (!iEmptyEqualizerUtility)
+    {
+        iEmptyEqualizerUtility =
+            CAudioEqualizerUtility::NewL(*iMMFDevSound);
+    }
+
+    LOG( EJavaAMMS, EInfo, "AMMS::CAMMSEMCEqualizerEnvironmentalPresetUtility::PrepareEmptyEqualizerUtilitiesL -");
+}
+
+// -----------------------------------------------------------------------------
+// CAMMSEMCEqualizerEnvironmentalPresetUtility::DeleteEmptyEqualizerUtilities
+// Deletes utilities that are used to obtain preset names and preset data.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+void CAMMSEMCEqualizerEnvironmentalPresetUtility::DeleteEmptyEqualizerUtilities()
+{
+    LOG( EJavaAMMS, EInfo, "AMMS::CAMMSEMCEqualizerEnvironmentalPresetUtility::DeleteEmptyEqualizerUtilities +");
+
+    if (iEmptyEqualizerUtility)
+    {
+        TRAPD(err,iEmptyEqualizerUtility ->DisableEqualizerL());
+        if (err)
+        {
+            // The only even theoritically possible error code here would be
+            // KErrAccessDenied which is a result from Effect API calling ApplyL
+            // method without having update rights, but since the Utility
+            // class is already created, that situation can be discarded here.
+        }
+        delete iEmptyEqualizerUtility;
+        iEmptyEqualizerUtility = NULL;
+    }
+
+    //Calling base class function to delete CMMFDevSound object to free memory
+    DeleteDevSound();
+    LOG( EJavaAMMS, EInfo, "AMMS::CAMMSEMCEqualizerEnvironmentalPresetUtility::DeleteEmptyEqualizerUtilities -");
+}
+
+
+// -----------------------------------------------------------------------------
+// CAMMSEMCEqualizerEnvironmentalPresetUtility::GetPresetNamesL
+// Gets list of preset names available.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+void CAMMSEMCEqualizerEnvironmentalPresetUtility::GetPresetNamesL(
+    CDesCArray& aPresetNames)
+{
+    LOG( EJavaAMMS, EInfo, "AMMS::CAMMSEMCEqualizerEnvironmentalPresetUtility::GetPresetNamesL +");
+    TArray< TEfAudioEqualizerUtilityPreset > presetNames =
+        iEmptyEqualizerUtility->Presets();
+    TInt presetCount = presetNames.Count();
+    for (TInt i = 0; i < presetCount; i++)
+    {
+        aPresetNames.AppendL(presetNames[ i ].iPresetName);
+    }
+    LOG( EJavaAMMS, EInfo, "AMMS::CAMMSEMCEqualizerEnvironmentalPresetUtility::GetPresetNamesL -");
+}
+
+
+// -----------------------------------------------------------------------------
+// CAMMSEMCEqualizerEnvironmentalPresetUtility::GetEqualizerAtPresetIndexL
+// Gets list of preset names available.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+CAudioEqualizer * CAMMSEMCEqualizerEnvironmentalPresetUtility::GetEqualizerAtPresetIndexL(TInt iIndex)
+{
+    LOG1( EJavaAMMS, EInfo, "AMMS::CAMMSEMCEqualizerEnvironmentalPresetUtility::GetEqualizerAtPresetIndexL, index=%d",
+              iIndex);
+
+    __ASSERT_DEBUG(iIndex >= 0, User::Invariant());
+
+    // Set the preset to the empty Environmental Equalizer utility.
+    iEmptyEqualizerUtility->GetPresetL(iIndex);
+    return &(iEmptyEqualizerUtility->Equalizer());
+
+}
+
+
+// -----------------------------------------------------------------------------
+// CAMMSEMCEqualizerEnvironmentalPresetUtility::ConstructL
+// Symbian 2nd phase constructor can leave.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+void CAMMSEMCEqualizerEnvironmentalPresetUtility::ConstructL()
+{
+    LOG( EJavaAMMS, EInfo, "AMMS::CAMMSEMCEqualizerEnvironmentalPresetUtility::ConstructL");
+    iPresetNames = new(ELeave)CDesCArrayFlat(KAMMSEMCPresetGranularity);
+    CAMMSEMCBaseMMFDevSound ::ConstructL();
+}
+
+//  End of File