securitydialogs/lockapp/src/lockappappui.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 14 May 2010 16:43:26 +0300
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permissions -rw-r--r--
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/*
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* Copyright (c) 2007 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:  LockApp Application UI class
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*
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*/
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#include "lockappappui.h"
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#include "lockappstatecontrol.h"
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#include "lockappserver.h"
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#include "lockapptrace.h"
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#include <lockappclientserver.h>
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#include <aknglobalpopupprioritycontroller.h>
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#include <apgcli.h>
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#ifdef __SAP_TERMINAL_CONTROL_FW
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#include <SCPClient.h>
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#endif // __SAP_TERMINAL_CONTROL_FW
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// ---------------------------------------------------------------------------
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// Second phase constructor
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// ---------------------------------------------------------------------------
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void CLockAppAppUi::ConstructL( )
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    {
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    	RDebug::Printf( "%s %s (%u) value=%x", __FILE__, __PRETTY_FUNCTION__, __LINE__, 0x8 );
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   // default appui constructor has to be called
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    BaseConstructL( );    	    
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    TInt use_old_autolock=1;
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    if(use_old_autolock)
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    	{
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			// start autolock instead of lockapp . This is a backup solution to use in case that not all SysAp and Avkon changes are implemented
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	 	  RDebug::Printf( "%s %s (%u) 1=%x", __FILE__, __PRETTY_FUNCTION__, __LINE__, 0x1 );
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	    TApaTaskList taskList( iCoeEnv->WsSession() );
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	    TApaTask task( taskList.FindApp( _L("autolock.exe" )) );
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	    if ( !task.Exists() )
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	        {
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	        RApaLsSession ls;                   
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	        User::LeaveIfError(ls.Connect());   
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	        CleanupClosePushL(ls);         
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	        CApaCommandLine* commandLine = CApaCommandLine::NewLC();
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	        commandLine->SetExecutableNameL( _L("autolock.exe" ) );     
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	        commandLine->SetCommandL( EApaCommandRun );
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		    // Try to launch the application.        
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	        User::LeaveIfError(ls.StartApp(*commandLine));
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	    	  RDebug::Printf( "%s %s (%u) autolock.exe created=%x", __FILE__, __PRETTY_FUNCTION__, __LINE__, 0x7 );
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	        CleanupStack::PopAndDestroy(2); // commandLine, ls
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			}
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	    Exit();
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	  }
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    INFO( "CLockAppAppUi::ConstructL started" );
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    // start the server with the specified name
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	iLockServer = CLockAppServer::NewL( KLockAppServerName );
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    // status pane is should not be visible
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    StatusPane()->MakeVisible( EFalse );
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    // we need high priority even if lockapp is not in the foreground
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    iEikonEnv->WsSession().ComputeMode( RWsSession::EPriorityControlDisabled );
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    RThread().SetProcessPriority( EPriorityHigh );
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    /*
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     * LockApp is set as system application (Symbian terminology).
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     * This means it does not get closed when system is asked to close applications.
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     */
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    iEikonEnv->SetSystem( ETrue );
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#ifdef _GLOBAL_PRIORITY_SUPPORTED
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    // Enable global popup notes
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    AknGlobalPopupPriorityController::EnablePriorityControlL();
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    AknGlobalPopupPriorityController::AllowGlobalPopups( ETrue );
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#endif
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    // main control storing and controling phone keylock/devicelock status
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    iStateControl = CLockAppStateControl::NewL( );
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    // the main control is given high stack priority
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    // ECoeStackPriorityEnvironmentFilter-1 used to allow hw keys for keyfiler even if keypad is locked.
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    AddToStackL( iStateControl, ECoeStackPriorityEnvironmentFilter-1, ECoeStackFlagStandard );
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    INFO( "CLockAppAppUi::ConstructL finished" );
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    }
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// ---------------------------------------------------------------------------
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// Default Constructor
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// ---------------------------------------------------------------------------
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CLockAppAppUi::CLockAppAppUi( )
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    {
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    // no implementation required
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    }
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// ---------------------------------------------------------------------------
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// Destructor
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// ---------------------------------------------------------------------------
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CLockAppAppUi::~CLockAppAppUi( )
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    {
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	if ( iLockServer )
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		{
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		delete iLockServer;
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		iLockServer = NULL;
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		}
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    if ( iStateControl )
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        {
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        // remove main control from stack
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        RemoveFromStack( iStateControl );
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        delete iStateControl;
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        iStateControl = NULL;
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        }
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    }
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// ---------------------------------------------------------------------------
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// Returns interface to LockAppServer sessions for changing lock states
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// ---------------------------------------------------------------------------
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MLockAppStateControl* CLockAppAppUi::StateControl( )
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    {
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    return iStateControl;
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    }
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#ifdef __SAP_TERMINAL_CONTROL_FW
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// ---------------------------------------------------------------
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// Handles the TARM command to unlock the phone from WindowServer.
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// ---------------------------------------------------------------
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MCoeMessageObserver::TMessageResponse CLockAppAppUi::HandleMessageL(
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        TUint32 aClientHandleOfTargetWindowGroup,
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        TUid aMessageUid,
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        const TDesC8& aMessageParameters )
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    {
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    MCoeMessageObserver::TMessageResponse messageResponse( EMessageHandled);
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    if ( aMessageUid.iUid == SCP_CMDUID_UNLOCK)
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        {
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        // For security reasons we must check from the SCP server
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        // did this command originate from it.
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        RSCPClient scpClient;
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        if ( scpClient.Connect() == KErrNone )
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            {
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            CleanupClosePushL( scpClient );
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            if ( scpClient.QueryAdminCmd( ESCPCommandUnlockPhone ) )
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                {
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                INFO( "CLockAppAppUi::HandleMessageL(): Admin command received, unlocking" );
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                iStateControl->DisableDevicelockL();
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                }
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            else
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                {
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                INFO( "CLockAppAppUi::HandleMessageL(): Unauthorized attempt to unlock" );
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                }
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            CleanupStack::PopAndDestroy(); // calls Close() on scpClient
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            }
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        else
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            {
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            INFO( "CLockAppAppUi::HandleMessageL(): Failed to connect to SCP, ignoring unlock-message." );
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            }
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        }
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    else // aMessageUid.iUid != SCP_CMDUID_UNLOCK
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        {
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        messageResponse = CAknAppUi::HandleMessageL(
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                aClientHandleOfTargetWindowGroup,
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                aMessageUid,
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                aMessageParameters);
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        }
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    return messageResponse;
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    }
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#endif // __SAP_TERMINAL_CONTROL_FW
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   179
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// ----------------------------------------------------------
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// Handle window-server events
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// ----------------------------------------------------------
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void CLockAppAppUi::HandleWsEventL( const TWsEvent& aEvent, CCoeControl* aDestination )
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    {
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		RDebug::Printf( "%s %s (%u) value=%x", __FILE__, __PRETTY_FUNCTION__, __LINE__, 0 );
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    if ( aEvent.Type() == TRawEvent::EKeyDown )
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        {
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        RDebug::Printf("CLockAppAppUi::HandleWsEventL() - aEvent.Key()->iCode: %d", aEvent.Key()->iCode );
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        }
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   190
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    // call super-class
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    CAknAppUi::HandleWsEventL( aEvent, aDestination );
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    // propagate call
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    iStateControl->HandleWsEventL( aEvent, aDestination);
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   195
    }
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   196
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// ---------------------------------------------------------------------------
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// From @c CAknAppUiBase. Overriden the parent method, because otherwise
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// the main lock state control would not receive the call, because is is not
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// window-owning control (=without window->not visible). The call is needed
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// because the main state control owns window-owning child controls.
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// ---------------------------------------------------------------------------
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void CLockAppAppUi::HandleResourceChangeL( TInt aType )
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    {
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    // call super-class
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    CAknAppUi::HandleResourceChangeL( aType );
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    // propagate call - since does not own window
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    iStateControl->HandleResourceChange( aType );
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   209
    }