author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 02 Feb 2010 00:52:37 +0200 | |
changeset 4 | 7e15987c4500 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2009 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: This implements TUsbIndicatorHandler class. |
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* |
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*/ |
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|
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|
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#include <e32std.h> |
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#include <AknNotifySignature.h> // SAknNotifierPackage |
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#include <avkon.hrh> //EAknIndicatorUSBConnection |
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#include "tusbindicatorhandler.h" |
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#include "debug.h" |
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|
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// --------------------------------------------------------------------------- |
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// C++ Constructor |
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// --------------------------------------------------------------------------- |
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// |
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TUsbIndicatorHandler::TUsbIndicatorHandler() |
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: iDevStateB4Suspend( EUsbDeviceStateUndefined ) |
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, iUsbIndicator(EFalse) |
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{ |
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} |
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|
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// --------------------------------------------------------------------------- |
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// Change USB Indicator |
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// --------------------------------------------------------------------------- |
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// |
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void TUsbIndicatorHandler::HandleDeviceStateChange( TUsbDeviceState aStateOld, |
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TUsbDeviceState aStateNew ) |
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{ |
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LOG_FUNC |
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|
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LOG2( "USB device state changed: %d ==> %d", aStateOld, aStateNew ); |
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|
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if ( EUsbDeviceStateConfigured == aStateNew ) // Entering configed state |
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{ |
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// filter out case of configed -> suspended -> configed |
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if ( ( EUsbDeviceStateSuspended != aStateOld ) || |
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( EUsbDeviceStateConfigured != iDevStateB4Suspend) ) |
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{ |
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ShowUsbIndicator( ETrue ); |
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} |
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} |
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else if ( EUsbDeviceStateSuspended == aStateNew ) |
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// If current state is suspend, we do not change the indicator, but save |
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// the previous state |
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{ |
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iDevStateB4Suspend = aStateOld; |
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} |
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else // New device state is not configured, nor suspended |
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{ |
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// Hide USB indicator if previous state is either configured, or |
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// suspended AND state before is not configured |
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if( ( EUsbDeviceStateConfigured == aStateOld ) || |
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( ( EUsbDeviceStateSuspended == aStateOld ) && |
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( EUsbDeviceStateConfigured == iDevStateB4Suspend ) ) ) |
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{ |
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ShowUsbIndicator( EFalse ); |
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} |
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} |
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} |
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|
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// --------------------------------------------------------------------------- |
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// Show USB Indicator |
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// --------------------------------------------------------------------------- |
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// |
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void TUsbIndicatorHandler::ShowUsbIndicator( TInt aUsbIndicatorState ) |
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{ |
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LOG_FUNC |
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|
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iUsbIndicator = aUsbIndicatorState; |
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LOG1( "USB indicator state %d", aUsbIndicatorState ); |
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RNotifier notifier; |
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TInt err = notifier.Connect(); |
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if ( KErrNone == err ) |
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{ |
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TPckgBuf< SAknNotifierPackage<SAknSmallIndicatorParams> > pckg; |
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pckg().iParamData.iSmallIndicatorUid = |
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TUid::Uid( EAknIndicatorUSBConnection ); |
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pckg().iParamData.iValue = aUsbIndicatorState ? |
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EAknIndicatorStateOn : EAknIndicatorStateOff ; |
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notifier.StartNotifier( KAknSmallIndicatorUid, pckg ); |
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notifier.Close(); |
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} |
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else |
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{ |
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LOG1( "RNotifier::Connect error: %d", err ); |
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} |
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} |
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|
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// End of file |