mmserv/audioeffectsui/equalizer/src/EqualizerFreqBand.cpp
changeset 16 43d09473c595
parent 14 80975da52420
child 22 128eb6a32b84
--- a/mmserv/audioeffectsui/equalizer/src/EqualizerFreqBand.cpp	Mon May 03 12:59:52 2010 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,741 +0,0 @@
-/*
-* 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:    Defines functionality related to Equalizer Frequency band
-*
-*/
-
-
-
-// INCLUDE FILES
-
-#include <eikdef.h>
-#include <e32math.h>
-#include <AknUtils.h>
-#include <AknsDrawUtils.h>
-#include <bautils.h>
-#include <data_caging_path_literals.hrh> 
-//LAF and Skin changes
-#include <AknIconUtils.h>
-#include <AknsUtils.h>
-#include <AknsConstants.h>
-#include <AknsDrawUtils.h>
-#include <aknlayout.cdl.h>
-#include <aknlayoutscalable_apps.cdl.h>
-#include <AknLayout2ScalableDef.h>
-#include <AknLayout2Def.h>
-#include <AudioEqualizerUtility.h>
-#if defined(RD_TACTILE_FEEDBACK)
-#include <touchfeedback.h>
-#endif
-
-#include <equalizer.mbg>
-#include "EqualizerPrivateConstants.h"
-#include "EqualizerEditingDialog.h"
-#include "EqualizerFreqBand.h"
-#include "Equalizer.hrh"
-
-// ============================ MEMBER FUNCTIONS =============================
-
-//============================================================================
-// -----> CEqualizerFreqBand (implementation)
-//============================================================================
-
-// ----------------------------------------------------------------------------
-// CEqualizerFreqBand* CEqualizerFreqBand::NewL(CEqualizerEditingDialog* aEqEditingDialog,
-//    CAudioEqualizerUtility*& aAudEqUtility, CAudioEqualizer& aAudEqualizer,
-//     const TInt aPresetIndex, const TBool aIsActivePreset,
-//    const TInt aBandIndex, TInt& aMoverPos, TRect& aRect)
-//
-// Two Phase construction
-// ----------------------------------------------------------------------------
-//
-CEqualizerFreqBand* CEqualizerFreqBand::NewL(CEqualizerEditingDialog* aEqEditingDialog,
-    CAudioEqualizerUtility*& aAudEqUtility, const TInt aPresetIndex,
-    const TBool aIsActivePreset, const TInt aBandIndex, 
-    TRect& aRect)
-    {
-    CEqualizerFreqBand* self = CEqualizerFreqBand::NewLC(aEqEditingDialog, aAudEqUtility,
-     aPresetIndex, aIsActivePreset, aBandIndex, 
-     aRect);
-    CleanupStack::Pop(self);
-    return self;
-    }
-
-// ----------------------------------------------------------------------------
-// CEqualizerFreqBand* CEqualizerFreqBand::NewLC(CEqualizerEditingDialog* aEqEditingDialog,
-// CAudioEqualizerUtility*& aAudEqUtility, const TInt aPresetIndex,
-// const TBool aIsActivePreset,   const TInt aBandIndex, TInt& aMoverPos, 
-// TRect& aRect)
-// Two Phase construction
-// ----------------------------------------------------------------------------
-//
-CEqualizerFreqBand* CEqualizerFreqBand::NewLC(CEqualizerEditingDialog* aEqEditingDialog,
-    CAudioEqualizerUtility*& aAudEqUtility, const TInt aPresetIndex,
-    const TBool aIsActivePreset, const TInt aBandIndex, 
-    TRect& aRect)
-    {
-    CEqualizerFreqBand* self = new (ELeave) CEqualizerFreqBand(aEqEditingDialog, aAudEqUtility,
-    aPresetIndex, aIsActivePreset, aBandIndex, 
-    aRect);
-    CleanupStack::PushL(self); 
-    self->ConstructL();
-    return self;
-    }    
-// ----------------------------------------------------------------------------
-//CEqualizerFreqBand::CEqualizerFreqBand(CEqualizerEditingDialog* aEqEditingDialog,
-//    CAudioEqualizerUtility*& aAudEqUtility, 
-//     const TPresetName& aPresetName, const TBool aIsActivePreset,
-//    const TInt aBandIndex, TInt& aMoverPos, TRect& aRect) 
-//
-// First phase constructor
-// ----------------------------------------------------------------------------
-CEqualizerFreqBand::CEqualizerFreqBand(CEqualizerEditingDialog* aEqEditingDialog, 
-    CAudioEqualizerUtility*& aAudEqUtility, const TInt aPresetIndex, 
-    const TBool aIsActivePreset,
-    const TInt aBandIndex,  TRect& aContainerRect) 
-    : iEqEditingDialog(aEqEditingDialog), iAudEqUtility(aAudEqUtility), iPresetIndex(aPresetIndex), 
-    iIsActivePreset(aIsActivePreset), iBandIndex(aBandIndex), 
-    iContainerRect(aContainerRect)
-    {
-    }
-
-// -------------------------------------------------------------------
-// void CEqualizerFreqBand::ConstructL() 
-//
-// Second phase constructor
-// --------------------------------------------------------------------
-//
-void CEqualizerFreqBand::ConstructL() 
-    {
-    LoadBitmapsL();
-    iPresetName = iAudEqUtility->GetPresetL(iPresetIndex);
-    iAudioEqualizer = &iAudEqUtility->Equalizer();
-    iAudioEqualizer->DbLevelLimits(iMinBandLevel, iMaxBandLevel);
-    }
-
-// -------------------------------------------------------------------
-// CEqualizerFreqBand::~CEqualizerFreqBand()
-//
-// Destructor
-// --------------------------------------------------------------------
-//    
-CEqualizerFreqBand::~CEqualizerFreqBand()
-    { 
-    delete iBgBitmap;
-    delete iBgBitmapMask;
-    delete iSliderBitmap;
-    delete iSliderBitmapMask;
-
-#if defined(RD_TACTILE_FEEDBACK)
-   MTouchFeedback* feedback = MTouchFeedback::Instance();
-   if (feedback)
-       {
-   	   feedback->RemoveFeedbackForControl(this);
-       }
-#endif
-    }
-
-// -------------------------------------------------------------------
-// void CEqualizerFreqBand::Draw(const TRect& aRect) const
-//
-// Function to draw the control
-// --------------------------------------------------------------------
-//
-void CEqualizerFreqBand::Draw(const TRect& /*aRect*/) const
-    {
-    CWindowGc& gc=SystemGc();
-    MAknsSkinInstance* skinInstance = AknsUtils::SkinInstance();
-    MAknsControlContext* cc = AknsDrawUtils::ControlContext( this );
-    AknsDrawUtils::Background( skinInstance, cc, this, gc, iBackgroundRect );
-    TRect innerRect = iBackgroundRect;
-    innerRect.Shrink( TSize( 5, 5) );
-	if (IsFocused())
-		{
-   			
-   		AknsDrawUtils::DrawFrame( skinInstance, gc, iBackgroundRect, 
-   						innerRect,KAknsIIDQsnFrGrid, KAknsIIDQsnFrGridCenter);		
-		}
-    					
-	gc.BitBltMasked(iBackgroundRect.iTl,iBgBitmap, TRect(TPoint(), 
-					iBackgroundRect.Size()), iBgBitmapMask, ETrue);
-	
-	TInt halfSliderSize = iSliderRect.Height() / 2;
-	TInt sliderRectYCoord = iSliderRect.iTl.iY;
-	TInt yCoordOffset = ((iMoverPos - sliderRectYCoord) - halfSliderSize);
-	TRect tempSliderRect = iSliderRect;
-	tempSliderRect.Move(0,yCoordOffset);
-	
-    gc.BitBltMasked(tempSliderRect.iTl,iSliderBitmap,TRect(TPoint(), 
-    						tempSliderRect.Size()),iSliderBitmapMask,ETrue);
-	}
-// -------------------------------------------------------------------
-// void CEqualizerFreqBand::SizeChanged()
-//
-// This function is called by the framework whenever the control size 
-// is changed
-// --------------------------------------------------------------------
-void CEqualizerFreqBand::SizeChanged()
-    {
-	TInt variety = EEqualizerVarietyOne;
-
-    CAudioEqualizer& audioEqualizer = iAudEqUtility->Equalizer();
-    TUint numberOfFreqBands = audioEqualizer.NumberOfBands();
-        
-	if(numberOfFreqBands == KEqualizerFiveBands)
-	    {
-	    variety = EEqualizerVarietyTwo;
-	    }
-   
-	iScaleRect = ComponentRect(Rect(),
-									variety,EEqualizerScale);
-	iBackgroundRect = ComponentRect(iScaleRect,
-								EEqualizerVarietyNotUsed,EEqualizerBackground);
- 	iSliderRect = ComponentRect(iScaleRect,
- 									EEqualizerVarietyNotUsed,EEqualizerSlider);
-
-#if defined(RD_TACTILE_FEEDBACK)
-	MTouchFeedback* feedback = MTouchFeedback::Instance();
-	if (feedback)
-		{
-		feedback->SetFeedbackArea(this, 0, iBackgroundRect,
-			ETouchFeedbackBasic, ETouchEventStylusDown);
-		}
-#endif
-
-	AknIconUtils::SetSize(iBgBitmap,iBackgroundRect.Size(), EAspectRatioNotPreserved);
-	AknIconUtils::SetSize(iBgBitmapMask,iBackgroundRect.Size(), EAspectRatioNotPreserved);
-	
-	AknIconUtils::SetSize(iSliderBitmap,iSliderRect.Size(), EAspectRatioNotPreserved);
-    AknIconUtils::SetSize(iSliderBitmapMask,iSliderRect.Size(), EAspectRatioNotPreserved);
-    
-    TInt scaleHeight = iBackgroundRect.Height();
-    TInt zeroCoord = iBackgroundRect.iTl.iY + (scaleHeight / 2);
-    iZeroPos = zeroCoord;  
-    iMoverPos = iEqEditingDialog->GetMoverPosition(iBandIndex);
-    
-    TInt sliderInc = iBackgroundRect.Height() / KNumberOfSteps;
-    TReal res,frac;
-    frac = (TReal)(iMoverPos - iZeroPos) / sliderInc;
-    Math::Round(res,frac,0);
-    Math::Int(iStepCount,res);
-    iStepCount += KNumberOfSteps / 2;
-    if(iStepCount > KNumberOfSteps)
-    	{
-    	iStepCount = KNumberOfSteps;
-    	}
-    if(iStepCount < 0)
-    	{
-    	iStepCount = 0;
-    	}
-
-    }
-
-// -------------------------------------------------------------------
-// void CEqualizerFreqBand::FocusChanged(TDrawNow aDrawNow)
-//
-// This function is called by the framework whenever the control's 
-// focus is changed
-// --------------------------------------------------------------------
-//
-void CEqualizerFreqBand::FocusChanged(TDrawNow aDrawNow)
-    {
-    if (aDrawNow)
-        {
-        DrawNow();        
-        }
-    }
-    
-// -------------------------------------------------------------------
-// void CEqualizerFreqBand::HandleResourceChange(TInt aType)
-//
-// This function is called by the framework whenever there is a 
-// change in skin
-// -------------------------------------------------------------------
-void CEqualizerFreqBand::HandleResourceChange(TInt aType)
-    {
-    if (aType == KAknsMessageSkinChange)
-        {
-        TInt tempMoverPos = iMoverPos;
-        LoadBitmapsL();
-        SizeChanged();
-        iMoverPos = tempMoverPos;
-        DrawNow();
-        }
-    }
-
-// -------------------------------------------------------------------
-// void CEqualizerFreqBand::LoadBitmapsL()
-// This function is called to load the bitmaps from the icons file
-// --------------------------------------------------------------------
-//     
-void CEqualizerFreqBand::LoadBitmapsL()
-    {
-    // Find which drive this DLL is installed.
-    TFileName fileName;
-    // Get the full resource file
-    TParse fp;
-    // Add the resource dir
-    fp.Set( KIconsFilename, &KDC_APP_BITMAP_DIR, NULL);
-    // Get the filename with full path
-    fileName = fp.FullName(); 
-
-    MAknsSkinInstance * skinInstance;
-    skinInstance = AknsUtils::SkinInstance();
-    
-    //Destroying previously created background icons
-    if (iBgBitmap)
-    	{
-    	delete iBgBitmap;
-    	iBgBitmap = NULL;
-    	}
-    	
-    if (iBgBitmapMask)
-    	{
-    	delete iBgBitmapMask;
-    	iBgBitmapMask = NULL;
-    	}
-    
-    //Destroying previously created slider icons
-    if (iSliderBitmap)
-    	{
-    	delete iSliderBitmap;
-    	iSliderBitmap = NULL;
-    	}
-    
-    if (iSliderBitmapMask)
-    	{
-    	delete iSliderBitmapMask;
-    	iSliderBitmapMask = NULL;
-    	}
-    
-    //Creating the background icon
-    AknsUtils::CreateIconL(skinInstance,KAknsIIDQgnIndiMupEqBg,
-                           iBgBitmap,iBgBitmapMask,fileName,
-                           EMbmEqualizerQgn_indi_mup2_eq_bg,
-                           EMbmEqualizerQgn_indi_mup2_eq_bg_mask);
-    
-    //Creating the slider icon
-    AknsUtils::CreateIconL(skinInstance,KAknsIIDQgnIndiMupEqSlider,
-                           iSliderBitmap,iSliderBitmapMask,fileName,
-                           EMbmEqualizerQgn_indi_mup_eq_slider,
-                           EMbmEqualizerQgn_indi_mup_eq_slider_mask);
-    }       
-
-// -------------------------------------------------------------------
-// void CEqualizerFreqBand::UpdateBandLevelInEngineL()
-// This function is called to update the engine with the new band level
-// --------------------------------------------------------------------
-// 
-void CEqualizerFreqBand::UpdateBandLevelInEngineL(TBool lastIncFlag)
-    {
-    //Update engine
-	TInt sliderInc = iBackgroundRect.Height() / KNumberOfSteps;
-    TInt diffUIBandLevel = KNumberOfSteps / 2;
-    TInt bandLevel;
-    TReal frac;
-    TInt sliderNoOfPix;
-    TInt actualNoOfPix;
-    TInt pixDiff;
-    TReal fracDiff;
-        
-    if (iMoverPos > iZeroPos)
-        {
-        frac = (TReal)(iMoverPos - iZeroPos) / ((TReal)diffUIBandLevel * sliderInc);
-		if(lastIncFlag)
-			{
-			sliderNoOfPix = diffUIBandLevel * sliderInc;
-			actualNoOfPix = iMoverPos - iZeroPos;
-			if(sliderNoOfPix > actualNoOfPix)
-				{
-				pixDiff = sliderNoOfPix - actualNoOfPix;
-				fracDiff = (TReal)pixDiff / ((TReal)diffUIBandLevel * sliderInc);
-				frac += fracDiff;				
-				}
-			else
-				{
-				pixDiff = actualNoOfPix - sliderNoOfPix;
-				fracDiff = (TReal)pixDiff / ((TReal)diffUIBandLevel * sliderInc);
-				frac -= fracDiff;				
-				}
-			}
-		if (frac > 1)
-			{
-			frac = 1;
-			}
-		else
-		if (frac < -1)
-			{
-			frac = -1;
-			}
-        bandLevel=(TInt)(frac * iMinBandLevel);        
-        }
-    else if (iMoverPos < iZeroPos)
-        {
-        frac = (TReal)(iZeroPos - iMoverPos) / ((TReal)diffUIBandLevel * sliderInc);
-        if(lastIncFlag)						
-			{
-			sliderNoOfPix = diffUIBandLevel * sliderInc;
-			actualNoOfPix = iZeroPos - iMoverPos;
-			if(sliderNoOfPix > actualNoOfPix)
-				{
-				pixDiff = sliderNoOfPix - actualNoOfPix;
-				fracDiff = (TReal)pixDiff / ((TReal)diffUIBandLevel * sliderInc);
-				frac += fracDiff;				
-				}
-			else
-				{
-				pixDiff = actualNoOfPix - sliderNoOfPix;
-				fracDiff = (TReal)pixDiff / ((TReal)diffUIBandLevel * sliderInc);
-				frac -= fracDiff;				
-				}
-			}
-		if (frac > 1)
-			{
-			frac = 1;
-			}
-		else
-		if (frac < -1)
-			{
-			frac = -1;
-			}
-        bandLevel=(TInt)(frac * iMaxBandLevel);   
-        }
-    else
-        {
-        bandLevel = 0;
-        }   
-       
-//RDebug::Printf("Todd1 ==> bnad index=%d, Level set = %d", iBandIndex+1, bandLevel);
-    iAudioEqualizer->SetBandLevelL(iBandIndex+1, bandLevel);     
-
-    if (iIsActivePreset) 
-        {
-        TInt err;
-        TRAP(err, iAudioEqualizer->EnableL());	
-        }
-   }
-
-// -------------------------------------------------------------------
-// TKeyResponse CEqualizerFreqBand::OfferKeyEventL
-// (const TKeyEvent& aKeyEvent,TEventCode aType)
-// This function is called to handle key events
-// --------------------------------------------------------------------
-//
-TKeyResponse CEqualizerFreqBand::OfferKeyEventL(const TKeyEvent& aKeyEvent,
-TEventCode aType)
-    {
-    TKeyResponse ret = EKeyWasNotConsumed;
-    
-    TInt halfSliderSize = iSliderRect.Height() / 2;
-    TInt sliderInc = iBackgroundRect.Height() / KNumberOfSteps;
-	TInt nextInc;
-	TBool lastIncFlag = 0;
-	
-    if (aType==EEventKey && (aKeyEvent.iScanCode==EStdKeyDownArrow ))
-        {
-        if (iMoverPos < (iBackgroundRect.iBr.iY - halfSliderSize))
-         	{
-            nextInc = sliderInc;
-            iStepCount += 1;
-            if(((iMoverPos + nextInc) <= 
-            				(iBackgroundRect.iBr.iY - halfSliderSize))
-            				&& (iStepCount != KNumberOfSteps))
-            	{
-            	TInt offset = Abs(iMoverPos - iZeroPos) % sliderInc;
-            	if(offset==0)
-            		iMoverPos += nextInc ;
-            	else
-            		{
-            		//iStepCount--;
-            		if(iMoverPos>iZeroPos)	
-            	   		iMoverPos+= sliderInc - offset;
-            	
-            		if(iMoverPos<iZeroPos)
-            	    	iMoverPos+= sliderInc + offset;
-            		}
-            	}
-		    else
-		    	{
-		    	nextInc = (iBackgroundRect.iBr.iY - halfSliderSize)
-		    								 - iMoverPos;
-		    	iMoverPos += nextInc;
-		    	
-		    	if(iStepCount > KNumberOfSteps )
-		    	    iStepCount = KNumberOfSteps;
-		    	}
-            if(((iMoverPos) == (iBackgroundRect.iBr.iY - halfSliderSize)) ||
-            			(iStepCount == KNumberOfSteps))
-            	{
-            	lastIncFlag = 1;
-            	}
-            //Update engine
-            UpdateBandLevelInEngineL(lastIncFlag);
-            }
-        DrawNow();
-        ret = EKeyWasConsumed;
-        }
-    else if (aType==EEventKey && (aKeyEvent.iScanCode==EStdKeyUpArrow))
-        {
-        if (iMoverPos > (iBackgroundRect.iTl.iY+halfSliderSize))
-            {
-            nextInc = sliderInc;
-            iStepCount -= 1;
-            if(((iMoverPos - nextInc) >= (iBackgroundRect.iTl.iY + halfSliderSize))
-            			&& (iStepCount != 0))
-            	{
-            	TInt offset = Abs(iMoverPos - iZeroPos) % sliderInc;
-            	if(offset==0)
-               		iMoverPos -= nextInc;
-            	else
-            		{
-            		//iStepCount++; 
-            		if(iMoverPos>iZeroPos)	
-            	   		iMoverPos-= nextInc + offset;
-            	
-            		if(iMoverPos<iZeroPos)
-            	   		iMoverPos-= sliderInc - offset;
-            		}
-            	}
-            else
-            	{
-            	nextInc = iMoverPos - (iBackgroundRect.iTl.iY + halfSliderSize);
-            	iMoverPos -= nextInc;
-            	
-            	if(iStepCount < 0 )
-		    	    iStepCount = 0;
-            	}
-            if(((iMoverPos) == (iBackgroundRect.iTl.iY + halfSliderSize)) ||
-            			(iStepCount == 0))
-            	{
-            	lastIncFlag = 1;
-            	}
-            //Update engine
-            UpdateBandLevelInEngineL(lastIncFlag);
-            }
-        DrawNow();
-        ret = EKeyWasConsumed;
-        }
-    else
-        {
-        ret = EKeyWasNotConsumed;
-        }
-    return ret;
-    }
-
-// ----------------------------------------------------------------------------
-// TRect CEqualizerFreqBand::ComponentRect(const TRect& aRect, TInt aVariety, 
-//                                                    TInt aComponentNumber)
-// This function is called to return the rect of a control after reading the 
-// layout information from the CDL file. It returns the rect for the control 
-// based on the Enumerated member sent as a parameter
-// ----------------------------------------------------------------------------
-//
-TRect CEqualizerFreqBand::ComponentRect(const TRect& aRect, TInt aVariety, 
-                                                    TInt aComponentNumber)
-    {
-    TAknWindowComponentLayout lLayout;
-    
-    switch(aComponentNumber)
-        {
-        case EEqualizerFreqBand1:    lLayout = AknLayoutScalable_Apps::
-                                            mup_equalizer_pane(aVariety);
-                                    break;
-                                    
-        case EEqualizerFreqBand2:    lLayout = AknLayoutScalable_Apps::
-                                            mup_equalizer_pane_cp1(aVariety);
-                                    break;
-                                    
-        case EEqualizerFreqBand3:    lLayout = AknLayoutScalable_Apps::
-                                            mup_equalizer_pane_cp2(aVariety);
-                                    break;
-                                    
-        case EEqualizerFreqBand4:    lLayout = AknLayoutScalable_Apps::
-                                            mup_equalizer_pane_cp3(aVariety);
-                                    break;
-                                    
-        case EEqualizerFreqBand5:    lLayout = AknLayoutScalable_Apps::
-                                            mup_equalizer_pane_cp4(aVariety);
-                                    break;
-
-        case EEqualizerFreqBand6:    lLayout = AknLayoutScalable_Apps::
-                                            mup_equalizer_pane_cp5(1);
-                                    break;
-
-        case EEqualizerFreqBand7:    lLayout = AknLayoutScalable_Apps::
-                                            mup_equalizer_pane_cp6(1);
-                                    break;
-
-        case EEqualizerFreqBand8:    lLayout = AknLayoutScalable_Apps::
-                                            mup_equalizer_pane_cp7(1);
-                                    break;
-                                    
-        case EEqualizerMainPane:    lLayout = AknLayoutScalable_Apps::
-                                            main_mup_eq_pane();
-                                    break;
-
-        case EEqualizerScale:         lLayout = AknLayoutScalable_Apps::
-                                            mup_scale_pane(aVariety);
-                                    break;
-
-        case EEqualizerBackground:    lLayout = AknLayoutScalable_Apps::
-                                            mup_scale_pane_g1();
-                                    break;
-
-        case EEqualizerSlider:        lLayout = AknLayoutScalable_Apps::
-                                            mup_scale_pane_g2();
-                                    break;
-
-        default:                    break;
-        }
-    
-    TAknLayoutRect lLayoutRect;
-    lLayoutRect.LayoutRect(aRect,lLayout.LayoutLine());
-    
-    TRect rect = lLayoutRect.Rect();
-    return (rect);
-    }
-
-// ----------------------------------------------------------------------------
-// CEqualizerFreqBand::SetAudioEqualizerL(CAudioEqualizerUtility* 
-// aAudEqUtility)
-// This function is used to set a new CAudioEqualizerUtility* 
-// ----------------------------------------------------------------------------
-//    
-void CEqualizerFreqBand::SetAudioEqualizerL(
-CAudioEqualizerUtility* aAudEqUtility)
-	{
-	
-	// Save the user's settings
-	iAudEqUtility->ModifyPresetL(iPresetIndex, iPresetName, *iAudioEqualizer);
-	
-	// Set new value for CAudioEqualizerUtility
-	__ASSERT_DEBUG((iAudEqUtility != NULL), User::Invariant());
-	iAudEqUtility = aAudEqUtility;
-	iPresetName = iAudEqUtility->GetPresetL(iPresetIndex);
-    iAudioEqualizer = &iAudEqUtility->Equalizer();
-	}
-
-#ifdef RD_SCALABLE_UI_V2
-// ----------------------------------------------------------------------------
-// CEqualizerFreqBand::HandlePointerEventL(const TPointerEvent&  
-// aPointerEvent)
-// This function is used handle pen input events 
-// ----------------------------------------------------------------------------
-//    
-void CEqualizerFreqBand::HandlePointerEventL(const TPointerEvent& aPointerEvent)
-	{
-    TInt pos;
-	TInt halfSliderSize = iSliderRect.Height() / 2;
-    TInt sliderInc = iBackgroundRect.Height() / KNumberOfSteps;
-    TInt offset;
-	TBool lastIncFlag = 0;
-#if defined(RD_TACTILE_FEEDBACK)
-	MTouchFeedback* feedback = NULL;
-#endif
-
-	if ( aPointerEvent.iPosition.iY < iBackgroundRect.iTl.iY )
-		{
-		pos = iBackgroundRect.iTl.iY;
-		}
-	else if ( aPointerEvent.iPosition.iY > iBackgroundRect.iBr.iY )
-		{
-		pos = iBackgroundRect.iBr.iY;
-		}
-	else
-		{
-		pos = aPointerEvent.iPosition.iY;
-		}
-
-	if (AknLayoutUtils::PenEnabled())
-		{
-		switch (aPointerEvent.iType)
-            {
-            case TPointerEvent::EButton1Down:
-                break;
-
-            case TPointerEvent::EButton1Up:
-            	offset = Abs(pos- iZeroPos) % sliderInc;
-
-            	if(pos<= iZeroPos)
-	            	{
-	               	if(offset!=0)
-            			{
-	            		if(offset <= (sliderInc/2))
-	            	   		pos+= offset;
-	            		else
-	            	    	pos+= offset - sliderInc;
-	            		}
-	            	}
-	            else
-	            	{
-	            	if(offset!=0)
-		            	{
-		            	if(offset <= (sliderInc/2))
-	            	   		pos-= offset;
-	            	    else
-	            	   		pos+= sliderInc - offset;
-		            	}
-	            	}
-
-	            iStepCount = (pos - iBackgroundRect.iTl.iY)/sliderInc;
-
-	            if(iStepCount == 0)
-		            {
-		            lastIncFlag = 1;
-		            pos = iBackgroundRect.iTl.iY + halfSliderSize;
-		            }
-
-	            if(iStepCount >= KNumberOfSteps)
-		            {
-		            lastIncFlag = 1;
-		            pos = iBackgroundRect.iBr.iY - halfSliderSize;
-		            }
-
-                iMoverPos = pos;
-	            UpdateBandLevelInEngineL(lastIncFlag);
-	            DrawNow();
-                break;
-
-            case TPointerEvent::EDrag:
-#if defined(RD_TACTILE_FEEDBACK)
-            	feedback = MTouchFeedback::Instance();
-				if (feedback)
-				    {
-					feedback->InstantFeedback(ETouchFeedbackSensitive);
-	                }
-#endif
-                if(pos< (iBackgroundRect.iTl.iY + halfSliderSize))
-                    {
-                	pos = iBackgroundRect.iTl.iY + halfSliderSize;
-                	lastIncFlag = 1;
-                    }
-
-                if(pos> (iBackgroundRect.iBr.iY - halfSliderSize))
-                    {
-                	pos=iBackgroundRect.iBr.iY - halfSliderSize;
-                	lastIncFlag = 1;
-                    }
-
-                iMoverPos = pos;
-	            UpdateBandLevelInEngineL(lastIncFlag);
-	            DrawNow();
-                break;
-            default:
-//RDebug::Printf("Todd2 %d=", aPointerEvent.iType);
-                break;
-            }
-		}
-	}
-#endif //RD_SCALABLE_UI_V2
-// End of File