mmserv/audioeffectsui/equalizer/src/EqualizerEditingDialog.cpp
changeset 16 43d09473c595
parent 14 80975da52420
child 22 128eb6a32b84
--- a/mmserv/audioeffectsui/equalizer/src/EqualizerEditingDialog.cpp	Mon May 03 12:59:52 2010 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,554 +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 Settings Dialog
-*
-*/
-
-
-
-// INCLUDE FILES
- 
-#include <bautils.h>
-#include <aknenv.h>      
-#include <avkon.hrh>
-#include <e32cmn.h>
-#include <data_caging_path_literals.hrh>
-//LAF and Skin changes 
-#include <aknlayout.cdl.h>
-#include <aknlayoutscalable_apps.cdl.h>
-#include <AknLayout2ScalableDef.h>
-#include <AknLayout2Def.h>
-#include <AknUtils.h>
-#include <bldvariant.hrh>
-#include <featmgr.h>
-#include <AudioEqualizerUtility.h>
-#include <hlplch.h>
-#include <StringLoader.h>
-#include <akntitle.h> 
-#include <aknnotewrappers.h>
-
-#include <Equalizer.rsg>
-#include "EqualizerPrivateConstants.h"
-#include <csxhelp/eq.hlp.hrh>
-#include "EqualizerEditingDialog.h"
-#include "EqualizerFreqBandContainer.h"       
-#include "Equalizer.hrh"
-
-// ============================ MEMBER FUNCTIONS =============================
-
-// -------------------------------------------------------------------
-// CEqualizerEditingDialog* CEqualizerEditingDialog::NewL(
-// CAudioEqualizerUtility& aAudEqUtility, 
-// const TInt aPresetIndex, TRect& aRect, const TBool aIsActivePreset)
-// Create instance of concrete ECOM interface implementation
-// -------------------------------------------------------------------
-// 
-CEqualizerEditingDialog* CEqualizerEditingDialog::NewL(
-CAudioEqualizerUtility* aAudEqUtility, const TInt aPresetIndex,
- TRect& aRect, const TBool aIsActivePreset,
- MEqualizerPresetActivationObserver& aObserver,
- TInt aPresetKey)
-    {
-    CEqualizerEditingDialog* self = new (ELeave) CEqualizerEditingDialog(
-        aAudEqUtility, aPresetIndex, aRect, aIsActivePreset, aObserver,
-        aPresetKey);
-    CleanupStack::PushL(self); 
-    self->ConstructL();
-    CleanupStack::Pop(self); 
-    return self;
-    }
-
-// -------------------------------------------------------------------
-// CEqualizerEditingDialog::ConstructL()
-// Second Phase Constructor
-// -------------------------------------------------------------------
-// 
-void CEqualizerEditingDialog::ConstructL()
-    {
-    //Initially set these variable to EFalse
-    iIgnoreKeyEvents = EFalse;
-    iContextSensitiveMenu = EFalse;
-
-    iPresetName = iAudEqUtility->GetPresetL(iPresetIndex);
-    CAudioEqualizer& audioEqualizer = iAudEqUtility->Equalizer();
-    iNumberOfFreqBands = audioEqualizer.NumberOfBands();
-    iMover=new(ELeave)CArrayFixSeg<TInt>(KEqualizerArrayGranularity);
-
-    iFreqBandRect = RArray<TRect>(iNumberOfFreqBands);
-    iScaleRect = RArray<TRect>(iNumberOfFreqBands);
-    iBackgroundRect = RArray<TRect>(iNumberOfFreqBands);
-    iSliderRect = RArray<TRect>(iNumberOfFreqBands);
-    GetLayoutRect();
-
-    // Find which drive this DLL is installed.
-    TFileName fileName;
-
-    // Get the full resource file
-    TParse fp;
-
-    // Add the resource dir
-    fp.Set( KEqualizerResourceFileName, &KDC_APP_RESOURCE_DIR, NULL);
-    // Get the filename with full path
-    fileName = fp.FullName();
-    //for localisation of resource file
-    BaflUtils::NearestLanguageFile( iEikonEnv->FsSession(), fileName );
-    iResourceFileOffset = iEikonEnv->AddResourceFileL( fileName );
-    CAknDialog::ConstructL(R_EQUALIZER_SETTINGS_MENUBAR);
-    }
-
-// ---------------------------------------------------------------------
-// CEqualizerEditingDialog::CEqualizerEditingDialog
-// (CAudioEqualizerUtility* aAudEqUtility, TInt aPresetIndex, 
-// TRect& aRect, const TBool aIsActivePreset)
-// First phase constructor
-// ---------------------------------------------------------------------
-// 
-CEqualizerEditingDialog::CEqualizerEditingDialog(CAudioEqualizerUtility*
-aAudEqUtility, const TInt aPresetIndex, TRect& aRect, 
-const TBool aIsActivePreset, MEqualizerPresetActivationObserver& aObserver,
-TInt aPresetKey ): 
-iAudEqUtility(aAudEqUtility), 
-iPresetIndex(aPresetIndex), iRect(aRect), 
-iIsActivePreset(aIsActivePreset),
-iObserver( aObserver ), iPresetKey( aPresetKey )
-    {
-    }
-
-// --------------------------------------------------------------------
-// CEqualizerEditingDialog::~CEqualizerEditingDialog()
-// Destructor
-// --------------------------------------------------------------------
-// 
-CEqualizerEditingDialog::~CEqualizerEditingDialog()
-    {
-    if (iResourceFileOffset)
-        {
-        iEikonEnv->DeleteResourceFile(iResourceFileOffset);      
-        }
-    
-    if (iMover)
-        {
-        iMover->Reset();
-        delete iMover;
-        }
-     
-    iFreqBandRect.Close();
-    iScaleRect.Close();
-    iBackgroundRect.Close();
-    iSliderRect.Close();
-    }
-
-// --------------------------------------------------------------------
-// SEikControlInfo CEqualizerEditingDialog::
-// CreateCustomControlL  (  TInt  aControlType   )
-// This function is called by the framework to create a custom control
-// inside the dialog
-// --------------------------------------------------------------------
-// 
-SEikControlInfo CEqualizerEditingDialog::CreateCustomControlL  (  TInt 
- aControlType   ) 
-    {
-    SEikControlInfo controlInfo;
-    controlInfo.iControl = NULL;
-    controlInfo.iTrailerTextId = 0;
-    controlInfo.iFlags = 0;
-
-    SetMoverPositionsL(EFalse);      
-   
-    switch ( aControlType)
-        {
-        case EEqualizerCustomCtrlDlgCtCustomControl:
-            controlInfo.iControl = new(ELeave) CEqualizerFreqBandContainer
-            (this, iAudEqUtility, iPresetIndex, iIsActivePreset, 
-             iRect, iObserver, iPresetKey, iPresetName); 
-             
-            iFreqBandContainer = (CEqualizerFreqBandContainer*)
-                                        controlInfo.iControl; 
-            break;
-        default:
-            break;
-        }
-    
-    return controlInfo;
-    }
-
-// -------------------------------------------------------------------
-// void CEqualizerEditingDialog::SizeChanged()
-//
-// This function is called by the framework whenever the control size 
-// is changed
-// --------------------------------------------------------------------
-//
-void CEqualizerEditingDialog::SizeChanged()
-    {
-    CAknDialog::SizeChanged();    
-    iRect = Rect();
-	GetLayoutRect();
-    CAudioEqualizer& audioEqualizer = iAudEqUtility->Equalizer();
-    iAudEqUtility->ModifyPresetL(iPresetIndex, iPresetName, audioEqualizer); 
-	iMover->Reset();
-	SetMoverPositionsL(EFalse);
-    }
-
-// -------------------------------------------------------------------
-// void CEqualizerEditingDialog::GetLayoutRect()
-//
-// This function is called to retrive the freqband rect, scale rect
-// slider rect from the layout
-// --------------------------------------------------------------------
-//
-void CEqualizerEditingDialog::GetLayoutRect()
-	{
-	iFreqBandRect.Reset();
-	iScaleRect.Reset();
-	iBackgroundRect.Reset();
-	iSliderRect.Reset();
-	
-	TInt variety = EEqualizerVarietyOne;
-        
-	if(iNumberOfFreqBands == KEqualizerFiveBands)
-		variety = EEqualizerVarietyTwo;
-	
-	for(TInt count = 0; count < iNumberOfFreqBands; count++)
-		{
-		iFreqBandRect.Append(CEqualizerFreqBand::ComponentRect(
-			iRect,variety+2,count));
-		iScaleRect.Append(CEqualizerFreqBand::ComponentRect(
-			iFreqBandRect[count],variety,EEqualizerScale));
-		iBackgroundRect.Append(CEqualizerFreqBand::ComponentRect(
-			iScaleRect[count],EEqualizerVarietyNotUsed,EEqualizerBackground));
-		iSliderRect.Append(CEqualizerFreqBand::ComponentRect(
-			iScaleRect[count],EEqualizerVarietyNotUsed,EEqualizerSlider));
-		}
-	}
-
-// --------------------------------------------------------------------
-// void CEqualizerEditingDialog::SetMoverPositionsL(TBool aReset)
-// This function is used to read the positions of the mover for the 
-// various bands from the engine.
-// --------------------------------------------------------------------
-// 
-void CEqualizerEditingDialog::SetMoverPositionsL(TBool aReset)
-    {
-    //Calulate change in db level
-    TInt32 minBandLevel;
-    TInt32 maxBandLevel;
-    iAudEqUtility->GetPresetL(iPresetIndex);
-    CAudioEqualizer& audioEqualizer = iAudEqUtility->Equalizer();
-
-    audioEqualizer.DbLevelLimits(minBandLevel, maxBandLevel);
-
-    //The minimum band level should always be negative and the
-    // maximum band level should always be positive.
-    if (( minBandLevel > 0 ) || (maxBandLevel < 0))
-        {
-        User::Leave(KErrNotSupported);
-        }
-
-    for (TInt i =0; i<iNumberOfFreqBands; i++)
-        {
-	    TInt scaleHeight = iBackgroundRect[i].Height();
-	    TInt scaleZeroPos = (iBackgroundRect[i].iTl.iY) + (scaleHeight / 2);
-
-		TInt halfSliderSize = iSliderRect[i].Height() / 2;
-		TInt sliderInc = iBackgroundRect[i].Height() / KNumberOfSteps;
-		TInt diffUIBandLevel = KNumberOfSteps / 2;
-
-        TInt curBandlevel = audioEqualizer.BandLevel(i+1);
-        
-        
-        __ASSERT_DEBUG((curBandlevel >= minBandLevel) ||
-                         (curBandlevel <= maxBandLevel), User::Invariant());
-        if ((curBandlevel < minBandLevel) || (curBandlevel > maxBandLevel))
-            {
-            curBandlevel = 0; //Band level is invalid, use zero instead.
-            }
-        
-        if (curBandlevel > 0)
-            {
-            TReal frac = (TReal)curBandlevel / maxBandLevel;
-            TInt moverPos = (TInt) (scaleZeroPos - (frac * 
-            								diffUIBandLevel * sliderInc));
-            if((moverPos < (iBackgroundRect[i].iTl.iY + halfSliderSize)) ||
-            			((scaleZeroPos - moverPos) >= (diffUIBandLevel * sliderInc)))
-            	{
-            	moverPos = iBackgroundRect[i].iTl.iY + halfSliderSize;
-            	}
-
-            if (aReset)
-                {
-                (*iMover)[i] = moverPos;    
-                }
-            else
-                {
-                iMover->AppendL(moverPos);    
-                }
-            }
-        else if (curBandlevel < 0)
-            {
-            TReal frac = (TReal)curBandlevel / minBandLevel;
-            TInt moverPos = (TInt) (scaleZeroPos + (frac * 
-            								diffUIBandLevel * sliderInc));
-            if((moverPos > ((iBackgroundRect[i].iBr.iY ) - halfSliderSize)) ||
-            		((moverPos - scaleZeroPos) >= (diffUIBandLevel * sliderInc)))
-            	{
-            	moverPos = (iBackgroundRect[i].iBr.iY ) - halfSliderSize;
-            	}
-
-            if (aReset)
-                {
-                (*iMover)[i] = moverPos;    
-                }
-            else
-                {
-                iMover->AppendL(moverPos);    
-                }
-            }
-        else
-            {
-            if (aReset)
-                {
-                (*iMover)[i] = scaleZeroPos;    
-                }
-            else
-                {
-                iMover->AppendL(scaleZeroPos);    
-                }
-            }   
-        }
-    }
-
-// ---------------------------------------------------------
-// CEqualizerEditingDialog::OfferKeyEventL(
-//     const TKeyEvent& aKeyEvent,TEventCode aType)
-// This function is used to handle key events
-// ---------------------------------------------------------
-//
-TKeyResponse CEqualizerEditingDialog::OfferKeyEventL(
-    const TKeyEvent& aKeyEvent,
-    TEventCode aType )
-    { 
-    if (iIgnoreKeyEvents)
-        {
-        return EKeyWasNotConsumed;
-        }
-    else
-        {
-        return CAknDialog::OfferKeyEventL( aKeyEvent, aType );        
-        }
-    }
-
-// -------------------------------------------------------------------
-// void CEqualizerEditingDialog::ProcessCommandL(TInt aCommandId)
-// This function is called by the framework to handle the user's
-// menubar command options
-// --------------------------------------------------------------------
-// 
-void CEqualizerEditingDialog::ProcessCommandL(TInt aCommandId)
-    {
-    // Need to do this in all cases or menu does not disappear after
-    // a selection is made
-    CAknDialog::ProcessCommandL(aCommandId);
-    
-    switch(aCommandId)
-        {
-        case EAknCmdExit :
-        case EEikCmdExit :
-            {
-            CAudioEqualizer& audioEqualizer = iAudEqUtility->Equalizer();
-			iAudEqUtility->ModifyPresetL(iPresetIndex, iPresetName, audioEqualizer);
-            iAvkonAppUi->HandleCommandL( aCommandId );
-            break;
-            }
-
-        case EEqualizerCmdHelp: 
-            {
-            HlpLauncher::LaunchHelpApplicationL
-                ( iEikonEnv->WsSession(),
-                 CEikonEnv::Static()->AppUi()->AppHelpContextL() );
-            break;
-            }
-
-        case EEqualizerCmdReset:
-            {
-            iAudEqUtility->GetPresetL(iPresetIndex);
-            CAudioEqualizer& audioEqualizer = iAudEqUtility->Equalizer();
- 
-            if (iPresetIndex < iAudEqUtility->NumberOfPreDefinedPresets())
-                 {
-                 //Predefined preset
-                 iAudEqUtility->ResetPresetL(iPresetIndex);     
-                 SetMoverPositionsL(ETrue);
-                 }
-             else
-                 {
-                 //User defined preset, Reset manually
-                 for (TInt i =0; i<iNumberOfFreqBands; i++)
-                     {
-					 TInt scaleHeight = iBackgroundRect[i].Height();
-				     TInt scaleZeroPos = (iBackgroundRect[i].iTl.iY) 
-				     									+ (scaleHeight / 2);
-				     (*iMover)[i] = scaleZeroPos;
-                     audioEqualizer.SetBandLevelL(i+1, 0);
-                     }
-                 iAudEqUtility->ModifyPresetL(iPresetIndex, iPresetName, 
-                   audioEqualizer);    
-                 }
-
-             if (iIsActivePreset)
-                 {
-                 TRAP_IGNORE(iAudEqUtility->ApplyPresetL(iPresetIndex));
-                 }
-             
-             // In MPX, we need to callback to observer when a preset is changed
-             if( iIsActivePreset )
-                 {
-                 iObserver.HandlePresetActivation( iPresetKey );
-                 }
-    		 iFreqBandContainer->SetRect(iRect);
-             DrawNow();
-             break;
-             }
-              
-        default:
-            {
-            break;
-            }
-        }
-    }
-
-// -------------------------------------------------------------------
-// void CEqualizerEditingDialog::GetHelpContext( 
-//            TCoeHelpContext& aContext ) const
-// Get help context for the control
-// --------------------------------------------------------------------
-//         
-void CEqualizerEditingDialog::GetHelpContext( 
-            TCoeHelpContext& aContext ) const
-    {
-    aContext.iMajor = KUidEqualizer;
-    aContext.iContext = KEQ_HLP_EDITING_VIEW;
-    }
-
-// ---------------------------------------------------------------------------
-// CEqualizerEditingDialog::DynInitMenuPaneL(
-//                              TInt aResourceId,CEikMenuPane* aMenuPane)
-//  This function is called by the EIKON framework just before it displays
-//  a menu pane. Its default implementation is empty, and by overriding it,
-//  the application can set the state of menu items dynamically according
-//  to the state of application data.
-// ---------------------------------------------------------------------------
-//
-void CEqualizerEditingDialog::DynInitMenuPaneL(
-                        TInt aResourceId, CEikMenuPane* aMenuPane)
-    {
-    if ( aResourceId == R_EQUALIZER_SETTINGS_MENU)
-        {
-        iMenuBar->SetMenuType(CEikMenuBar::EMenuOptions);
-        // Help should be displayed only if the feature is supported
-        // according to Feature Manager
-        if (!FeatureManager::FeatureSupported(KFeatureIdHelp))
-            {
-            aMenuPane->SetItemDimmed(EEqualizerCmdHelp, ETrue);
-            }
-            
-        if(iContextSensitiveMenu)
-        	{
-        	iMenuBar->SetMenuType(CEikMenuBar::EMenuContext);
-          	aMenuPane->SetItemDimmed(EAknCmdExit, ETrue);
-          	aMenuPane->SetItemDimmed(EEqualizerCmdHelp, ETrue);
-			iContextSensitiveMenu = EFalse;
-        	}
-        }
-    }
-
-// ----------------------------------------------------------------------------
-// CEqualizerEditingDialog::SetAudioEqualizerL(CAudioEqualizerUtility* 
-// aAudEqUtility)
-// This function is used to set a new CAudioEqualizerUtility* 
-// ----------------------------------------------------------------------------
-//    
-void CEqualizerEditingDialog::SetAudioEqualizerL(
-CAudioEqualizerUtility* aAudEqUtility)
-	{
-	iAudEqUtility=aAudEqUtility;
-	if (iAudEqUtility)
-	    {
-	    iIgnoreKeyEvents = EFalse;
-	    iFreqBandContainer->SetAudioEqualizerL(aAudEqUtility);
-	    }
-	else
-	    {
-	    iIgnoreKeyEvents = ETrue; 
-	    }
-	}
-	
-// -------------------------------------------------------------------
-// TInt CEqualizerEditingDialog::ExecuteLD()
-// This function is called to execute and delete the dialog
-// --------------------------------------------------------------------
-// 
-TInt CEqualizerEditingDialog::ExecuteLD()
-    {
-    return CAknDialog::ExecuteLD(R_EQUALIZER_EDITING_DIALOG);
-    }                    
-
-// -------------------------------------------------------------------
-// TBool CEqualizerEditingDialog::OkToExitL(TInt aButtonId)
-// This function is called when the OK key is pressed
-// --------------------------------------------------------------------
-// 
-TBool CEqualizerEditingDialog::OkToExitL(TInt aButtonId)
-    {
-    TBool ret = EFalse;
-    if (aButtonId == EEikBidOk)
-        {
-        ret = EFalse;
-        }
-    else if (aButtonId == EAknSoftkeyBack) 
-        {
-        CAudioEqualizer& audioEqualizer = iAudEqUtility->Equalizer();
-        iAudEqUtility->ModifyPresetL(iPresetIndex, iPresetName, audioEqualizer);
-        
-        HBufC* iTitleText = StringLoader::LoadLC(R_QTN_EQUALIZER_TITLE_TEXT);
-        CEikStatusPane* sp=iEikonEnv->AppUiFactory()->StatusPane();
-        CAknTitlePane* tp=(CAknTitlePane*)sp->ControlL(TUid::Uid(EEikStatusPaneUidTitle));
-        tp->SetTextL(*iTitleText);
-        CleanupStack::PopAndDestroy(iTitleText);
-    
-    	ret = CAknDialog::OkToExitL( aButtonId ); 
-        }        
-    else if(aButtonId == EAknSoftkeyContextOptions)
-        {
-        iContextSensitiveMenu = ETrue;
-    	 DisplayMenuL();
-        }
-    else 
-        {
-        ret = CAknDialog::OkToExitL( aButtonId );        
-        }   
-    return ret;
-    } 
-    
-// -------------------------------------------------------------------
-// TInt CEqualizerEditingDialog::GetMoverPosition(TInt aBandIndex)
-// This function returns the current mover position for each frequency band
-// --------------------------------------------------------------------
-// 
-TInt CEqualizerEditingDialog::GetMoverPosition(TInt aBandIndex)
-{
-	return (*iMover)[aBandIndex];
-}
-
-// End of File