profilesapplication/Profiles/ProfileApp/SettingsViewSrc/CProfileKeypadVolumeSettingPage.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Mon, 15 Mar 2010 12:40:33 +0200
branchRCL_3
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permissions -rw-r--r--
Revision: 201009 Kit: 201010
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/*
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* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  Setting page class for keypad volume setting.
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*
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*/
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// INCLUDES
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#include "CProfileKeypadVolumeSettingPage.h"
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#include <AudioPreference.h>
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#include <aknsoundsystem.h>
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#include <StringLoader.h>	// For StringLoader
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#include <aknnotewrappers.h> // For CAknInformationNote
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#include <ProfileSettingsView.rsg>
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// for power save mode handling
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#include <psmsettings.h>
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#include <psmsrvdomaincrkeys.h>
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#include <centralrepository.h>
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namespace
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	{
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// CONSTANTS
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#ifdef __WINS__
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	// These constants are for WINS only because sequences are not played in emulator.
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	const TInt KKeypadToneFrequency( 1760 ); /// In Hz
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	const TInt KKeypadToneDuration( 20000 ); /// In microseconds
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#endif // __WINS__
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	}
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// ============================ MEMBER FUNCTIONS ===============================
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// -----------------------------------------------------------------------------
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// CProfileKeypadVolumeSettingPage::CProfileKeypadVolumeSettingPage
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// C++ constructor can NOT contain any code, that might leave.
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// -----------------------------------------------------------------------------
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//
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CProfileKeypadVolumeSettingPage::CProfileKeypadVolumeSettingPage(
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	TInt aResourceID,
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	MAknQueryValue& aQueryValue,
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	CAknKeySoundSystem* aSoundSystem )
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	:	CAknPopupSettingPage( aResourceID, aQueryValue ),
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		iSoundSystem( aSoundSystem )
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	{
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	}
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// Destructor.
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CProfileKeypadVolumeSettingPage::~CProfileKeypadVolumeSettingPage()
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	{
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	if( iAudioUtility )
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		{
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		if( iAudioUtility->State() != EMdaAudioToneUtilityNotReady )
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			{
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			// Set volume back to original
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			iAudioUtility->SetVolume( iOriginalVolume );
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			}
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		delete iAudioUtility;
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		}
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	if( iSoundSystem )
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		{
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		// Re-enable keypad sounds
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		iSoundSystem->PopContext();
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		}
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	}
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// -----------------------------------------------------------------------------
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// CProfileKeypadVolumeSettingPage::ConstructL
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// Symbian 2nd phase constructor can leave.
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// -----------------------------------------------------------------------------
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//
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void CProfileKeypadVolumeSettingPage::ConstructL()
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	{
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	User::LeaveIfNull( iSoundSystem );
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	CAknPopupSettingPage::ConstructL();
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	// Own construction starts here
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	// Disable keypad sounds
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	iSoundSystem->PushContextL( R_AVKON_SILENT_SKEY_LIST );
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	// Create audio player and prepare to play a tone
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	iAudioUtility = CMdaAudioToneUtility::NewL( *this );
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#ifdef __WINS__ // Sequences are not supported on emulator
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	iAudioUtility->PrepareToPlayTone( KKeypadToneFrequency,
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		TTimeIntervalMicroSeconds( KKeypadToneDuration ) );
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#else
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	CAknSoundInfo* soundInfo = CAknSoundInfo::NewL();
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	CleanupStack::PushL( soundInfo );
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	User::LeaveIfError( iSoundSystem->RequestSoundInfoL(
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		EAvkonSIDStandardKeyClick, *soundInfo ) );
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	iAudioUtility->PrepareToPlayDesSequence( *soundInfo->iSequence );
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	CleanupStack::PopAndDestroy( soundInfo );
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#endif // __WINS__
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	}
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// -----------------------------------------------------------------------------
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// CProfileKeypadVolumeSettingPage::OkToExitL
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// -----------------------------------------------------------------------------
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//
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TBool CProfileKeypadVolumeSettingPage::OkToExitL( TBool aAccept )
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    {
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    if( aAccept )
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        {
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        TInt psm = EPsmsrvModeNormal;
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        CRepository* cenrep = CRepository::NewLC( KCRUidPowerSaveMode );
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        cenrep->Get( KPsmCurrentMode, psm );
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        CleanupStack::PopAndDestroy( cenrep );
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        if( psm == EPsmsrvModePowerSave )
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            {
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            HBufC* buf = StringLoader::LoadLC( R_PROFILE_TEXT_PSM_INFONOTE );
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            CAknInformationNote* queryDialog = new (ELeave) CAknInformationNote( EFalse );
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         	queryDialog->ExecuteLD( *buf );
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            CleanupStack::PopAndDestroy( buf );
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            }
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        }
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    return ETrue;
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    }
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// -----------------------------------------------------------------------------
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// CProfileKeypadVolumeSettingPage::OfferKeyEventL
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// -----------------------------------------------------------------------------
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//
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TKeyResponse CProfileKeypadVolumeSettingPage::OfferKeyEventL(
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	const TKeyEvent& aKeyEvent, TEventCode aType )
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	{
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	// Cache pointer used multiple times
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	CAknSetStyleListBox* listBoxControl = ListBoxControl();
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	// Get current index from listbox
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	TInt oldIndex( listBoxControl->CurrentItemIndex() );
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	// Call OfferKeyEventL of base class
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	TKeyResponse response( CAknPopupSettingPage::OfferKeyEventL( aKeyEvent, aType ) );
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	// Get audio player state
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	TInt state( iAudioUtility->State() );
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	// Get new index from listbox
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	TInt newIndex( listBoxControl->CurrentItemIndex() );
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	if( ( oldIndex != newIndex ) && // check if listbox focus has changed
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		( newIndex != 0 ) && // check that new focus is not on first item "Off"
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		( state != EMdaAudioToneUtilityNotReady ) ) // check that tone player is ready
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		{
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		// Resolve last index of listbox
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		TInt lastIndex( listBoxControl->Model()->MatchableTextArray()->MdcaCount() - 1 );
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		// Resolve correct volume from current listbox index
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		TInt volume( iAudioUtility->MaxVolume() * newIndex / lastIndex );
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		if( state == EMdaAudioToneUtilityPlaying )
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			{
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			// Cancel play if still playing previous keyclick
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	        iAudioUtility->CancelPlay();
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			}
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		iAudioUtility->SetVolume( volume );
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		iAudioUtility->Play();
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		}
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	return response;
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	}
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// -----------------------------------------------------------------------------
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// CProfileKeypadVolumeSettingPage::MatoPrepareComplete
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// -----------------------------------------------------------------------------
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//
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void CProfileKeypadVolumeSettingPage::MatoPrepareComplete( TInt aError )
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	{
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	if( !aError )
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		{
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		// After prepare is completed, store original volume level
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		iOriginalVolume = iAudioUtility->Volume();
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		// Set priority
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		iAudioUtility->SetPriority( KAudioPriorityKeyPress,
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			TMdaPriorityPreference( KAudioPrefKeyPressPreview ) );
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		}
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	}
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// -----------------------------------------------------------------------------
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// CProfileKeypadVolumeSettingPage::MatoPlayComplete
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// Error ignored because if playing of the keypad tone is unsuccesful
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// nothing can be done.
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// -----------------------------------------------------------------------------
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//
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void CProfileKeypadVolumeSettingPage::MatoPlayComplete( TInt /*aError*/ )
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	{
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	}
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// End of File