--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mmserv/audioeffectsui/equalizer/src/EqualizerEditingDialog.cpp Tue Feb 02 01:08:46 2010 +0200
@@ -0,0 +1,554 @@
+/*
+* 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