menucontentsrv/srvsrc/mcsrunningappsfswmonitor.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 19 Feb 2010 23:07:29 +0200
branchRCL_3
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permissions -rw-r--r--
Revision: 201003 Kit: 201007
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/*
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* Copyright (c) 2008 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:  
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*
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*/
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#include "mcsrunningappsfswmonitor.h"
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#include "mcsrunningappshandler.h"
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#include "menueng.h"
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const TInt KMaxHiddenApps = 25;
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const TUid KPSUidUikon = { 0x101F8773 };
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const TUint32 KUikAppHiddenList  = 0x00000010;
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// ---------------------------------------------------------
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// CMcsRunningAppsFswMonitor::NewL
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// ---------------------------------------------------------
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//
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CMcsRunningAppsFswMonitor* CMcsRunningAppsFswMonitor::NewL(
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    CMenuEng& aEng, MMcsRunningAppsHandler* aRunningAppsHandler, 
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    TInt aPriority )
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	{
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	CMcsRunningAppsFswMonitor* self = 
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		new ( ELeave ) CMcsRunningAppsFswMonitor( aEng, aRunningAppsHandler, 
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				aPriority );
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	CleanupStack::PushL( self );
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	self->ConstructL();
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	CleanupStack::Pop( self );
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	return self;
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	}
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// ---------------------------------------------------------
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// CMcsRunningAppsFswMonitor::~CMcsRunningAppsFswMonitor
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// ---------------------------------------------------------
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//
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CMcsRunningAppsFswMonitor::~CMcsRunningAppsFswMonitor()
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    {
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    Cancel();
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    iEng.DequeueOperation( *this );
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    iFSWStatusProperty.Close();
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    iFswHiddenApps.Close();
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    }
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// ---------------------------------------------------------
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// CMcsRunningAppsFswMonitor::CMcsRunningAppsFswMonitor
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// ---------------------------------------------------------
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//
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CMcsRunningAppsFswMonitor::CMcsRunningAppsFswMonitor(
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    CMenuEng& aEng, MMcsRunningAppsHandler* aRunningAppsHandler, TInt aPriority):
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    CActive( aPriority ),
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    iEng(aEng),
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    iRunningAppsHandler(aRunningAppsHandler)
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    {
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    CActiveScheduler::Add( this );
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    }
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// ---------------------------------------------------------
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// CMcsRunningAppsFswMonitor::ConstructL
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// ---------------------------------------------------------
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//
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void CMcsRunningAppsFswMonitor::ConstructL()
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	{
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	// Create P&S watcher for FSW status changes and read initial apps list
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	if ( KErrNone == iFSWStatusProperty.Attach( KPSUidUikon, KUikAppHiddenList ) )
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		{
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	    // read list
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	    TRAP_IGNORE( UpdateFswHiddenApplicationsL() )
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	    Start();
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	    }	
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	}
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// ---------------------------------------------------------
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// CMcsRunningAppsFswMonitor::IsFswHidden
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// ---------------------------------------------------------
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//
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TBool CMcsRunningAppsFswMonitor::IsFswHidden( TUid aUid )  
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	{
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	TBool result(EFalse);
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	if( KErrNotFound != iFswHiddenApps.Find( aUid ) )
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		{
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		result = ETrue;
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		}
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	return result;
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    } 
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// ---------------------------------------------------------
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// CMcsRunningAppsFswMonitor::RunMenuEngOperationL
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// ---------------------------------------------------------
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//
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void CMcsRunningAppsFswMonitor::RunMenuEngOperationL()
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    {
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    UpdateFswHiddenApplicationsL();
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    } 
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// ---------------------------------------------------------
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// CMcsRunningAppsFswMonitor::CompletedMenuEngOperation
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// ---------------------------------------------------------
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//
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void CMcsRunningAppsFswMonitor::CompletedMenuEngOperation( TInt /*aErr*/ )
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    {
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    // If there was error, ignore it (what else could we do?).
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    // When next AppArc update occurs, we will run again.
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    }
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// ---------------------------------------------------------
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// CMcsRunningAppsFswMonitor::UpdateFswHiddenApplicationsL
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// ---------------------------------------------------------
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//
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void CMcsRunningAppsFswMonitor::UpdateFswHiddenApplicationsL()
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    {
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    // the maximum size of array (25 32-bit UIDs equal 100 bytes)
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    // 1. read current data
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    TBuf16 <2*KMaxHiddenApps> retrievedList;
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    TInt err = iFSWStatusProperty.Get( retrievedList );
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    // 2. convert the buffer to dynamic array with right uid values
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    TInt i = 0;
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    iFswHiddenApps.Reset();
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    TUint32 listValue;
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    while( i < KMaxHiddenApps && KErrNone == err )
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        {
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        // 32-bit uid values are retrieved in two 16-bit parts
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        listValue = retrievedList[2*i] << 16;
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        listValue += retrievedList[2*i+1];
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        // the value NULL marks the end of array -> leave the loop
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        if ( listValue )
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            {
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            TUid t ( KNullUid );
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            t.iUid = listValue;
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            iFswHiddenApps.AppendL( t );
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            }
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        else
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            {
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            err = KErrEof;                
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            }
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        i++;
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        }
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	iRunningAppsHandler->HandleListUpdateL( iFswHiddenApps, 
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			MMcsRunningAppsHandler::EFswHiddenApps );
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    }
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// ---------------------------------------------------------
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// CMcsRunningAppsFswMonitor::Start
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// ---------------------------------------------------------
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//
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void CMcsRunningAppsFswMonitor::Start()
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    {
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    if (!IsActive())
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        {
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	    iFSWStatusProperty.Subscribe(iStatus);
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        SetActive();
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        }
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    }
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// ---------------------------------------------------------
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// CMcsRunningAppsFswMonitor::DoCancel
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// ---------------------------------------------------------
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//
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void CMcsRunningAppsFswMonitor::DoCancel()
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    {
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    iFSWStatusProperty.Cancel();
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    }
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// ---------------------------------------------------------
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// CMcsRunningAppsFswMonitor::RunL
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// ---------------------------------------------------------
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//
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void CMcsRunningAppsFswMonitor::RunL()
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    {
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    User::LeaveIfError( iStatus.Int() ); // Handle errors in RunL.
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    Start();
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    iEng.QueueOperationL( *this );
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    }
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// ---------------------------------------------------------
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// CMcsRunningAppsFswMonitor::RunError()
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// ---------------------------------------------------------
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//
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TInt CMcsRunningAppsFswMonitor::RunError( TInt /*aError*/ )
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    {
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    Start();
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    return KErrNone;
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    }
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//  End of File