/*

* Copyright (c) 2002 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:  Setting page class for keypad volume setting.

*

*/

// INCLUDES

#include "CProfileKeypadVolumeSettingPage.h"

#include <AudioPreference.h>

#include <aknsoundsystem.h>

#include <StringLoader.h>	// For StringLoader

#include <aknnotewrappers.h> // For CAknInformationNote

// for power save mode handling

#include <psmsettings.h>

#include <psmsrvdomaincrkeys.h>

#include <centralrepository.h>

namespace

	{

// CONSTANTS

#ifdef __WINS__

	// These constants are for WINS only because sequences are not played in emulator.

	const TInt KKeypadToneFrequency( 1760 ); /// In Hz

	const TInt KKeypadToneDuration( 20000 ); /// In microseconds

#endif // __WINS__

	}

// ============================ MEMBER FUNCTIONS ===============================

// -----------------------------------------------------------------------------

// CProfileKeypadVolumeSettingPage::CProfileKeypadVolumeSettingPage

// C++ constructor can NOT contain any code, that might leave.

// -----------------------------------------------------------------------------

//

CProfileKeypadVolumeSettingPage::CProfileKeypadVolumeSettingPage(

	TInt aResourceID,

	MAknQueryValue& aQueryValue,

	CAknKeySoundSystem* aSoundSystem )

	:	CAknPopupSettingPage( aResourceID, aQueryValue ),

		iSoundSystem( aSoundSystem )

	{

	}

// Destructor.

CProfileKeypadVolumeSettingPage::~CProfileKeypadVolumeSettingPage()

	{

	if( iAudioUtility )

		{

		if( iAudioUtility->State() != EMdaAudioToneUtilityNotReady )

			{

			// Set volume back to original

			iAudioUtility->SetVolume( iOriginalVolume );

			}

		delete iAudioUtility;

		}

	if( iSoundSystem )

		{

		// Re-enable keypad sounds

		iSoundSystem->PopContext();

		}

	}

// -----------------------------------------------------------------------------

// CProfileKeypadVolumeSettingPage::ConstructL

// Symbian 2nd phase constructor can leave.

// -----------------------------------------------------------------------------

//

void CProfileKeypadVolumeSettingPage::ConstructL()

	{

	User::LeaveIfNull( iSoundSystem );

	CAknPopupSettingPage::ConstructL();

	// Own construction starts here

	// Disable keypad sounds

	iSoundSystem->PushContextL( R_AVKON_SILENT_SKEY_LIST );

	// Create audio player and prepare to play a tone

	iAudioUtility = CMdaAudioToneUtility::NewL( *this );

#ifdef __WINS__ // Sequences are not supported on emulator

	iAudioUtility->PrepareToPlayTone( KKeypadToneFrequency,

		TTimeIntervalMicroSeconds( KKeypadToneDuration ) );

#else

	CAknSoundInfo* soundInfo = CAknSoundInfo::NewL();

	CleanupStack::PushL( soundInfo );

	User::LeaveIfError( iSoundSystem->RequestSoundInfoL(

		EAvkonSIDStandardKeyClick, *soundInfo ) );

	iAudioUtility->PrepareToPlayDesSequence( *soundInfo->iSequence );

	CleanupStack::PopAndDestroy( soundInfo );

#endif // __WINS__

	}

// -----------------------------------------------------------------------------

// CProfileKeypadVolumeSettingPage::OkToExitL

// -----------------------------------------------------------------------------

//

TBool CProfileKeypadVolumeSettingPage::OkToExitL( TBool aAccept )

    {

    if( aAccept )

        {

        TInt psm = EPsmsrvModeNormal;

        CRepository* cenrep = CRepository::NewLC( KCRUidPowerSaveMode );

        cenrep->Get( KPsmCurrentMode, psm );

        CleanupStack::PopAndDestroy( cenrep );

        if( psm == EPsmsrvModePowerSave )

            {

            HBufC* buf = StringLoader::LoadLC( R_PROFILE_TEXT_PSM_INFONOTE );

            CAknInformationNote* queryDialog = new (ELeave) CAknInformationNote( EFalse );

         	queryDialog->ExecuteLD( *buf );

            CleanupStack::PopAndDestroy( buf );

            }

        }

    return ETrue;

    }

// -----------------------------------------------------------------------------

// CProfileKeypadVolumeSettingPage::OfferKeyEventL

// -----------------------------------------------------------------------------

//

TKeyResponse CProfileKeypadVolumeSettingPage::OfferKeyEventL(

	const TKeyEvent& aKeyEvent, TEventCode aType )

	{

	// Cache pointer used multiple times

	CAknSetStyleListBox* listBoxControl = ListBoxControl();

	// Get current index from listbox

	TInt oldIndex( listBoxControl->CurrentItemIndex() );

	// Call OfferKeyEventL of base class

	TKeyResponse response( CAknPopupSettingPage::OfferKeyEventL( aKeyEvent, aType ) );

	// Get audio player state

	TInt state( iAudioUtility->State() );

	// Get new index from listbox

	TInt newIndex( listBoxControl->CurrentItemIndex() );

	if( ( oldIndex != newIndex ) && // check if listbox focus has changed

		( newIndex != 0 ) && // check that new focus is not on first item "Off"

		( state != EMdaAudioToneUtilityNotReady ) ) // check that tone player is ready

		{

		// Resolve last index of listbox

		TInt lastIndex( listBoxControl->Model()->MatchableTextArray()->MdcaCount() - 1 );

		// Resolve correct volume from current listbox index

		TInt volume( iAudioUtility->MaxVolume() * newIndex / lastIndex );

		if( state == EMdaAudioToneUtilityPlaying )

			{

			// Cancel play if still playing previous keyclick

	        iAudioUtility->CancelPlay();

			}

		iAudioUtility->SetVolume( volume );

		iAudioUtility->Play();

		}

	return response;

	}

// -----------------------------------------------------------------------------

// CProfileKeypadVolumeSettingPage::MatoPrepareComplete

// -----------------------------------------------------------------------------

//

void CProfileKeypadVolumeSettingPage::MatoPrepareComplete( TInt aError )

	{

	if( !aError )

		{

		// After prepare is completed, store original volume level

		iOriginalVolume = iAudioUtility->Volume();

		// Set priority

		iAudioUtility->SetPriority( KAudioPriorityKeyPress,

			TMdaPriorityPreference( KAudioPrefKeyPressPreview ) );

		}

	}

// -----------------------------------------------------------------------------

// CProfileKeypadVolumeSettingPage::MatoPlayComplete

// Error ignored because if playing of the keypad tone is unsuccesful

// nothing can be done.

// -----------------------------------------------------------------------------

//

void CProfileKeypadVolumeSettingPage::MatoPlayComplete( TInt /*aError*/ )

	{

	}

// End of File