/*

* Copyright (c) 2009 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:  Service provider settings backup helper monitor

*

*/

#include "spsapilogger.h"

#include "spsbackuphelpermonitor.h"

#include "spsbackuphelperperformer.h"

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// 

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CSpsBackupHelperMonitor* CSpsBackupHelperMonitor::NewL()

    {

    CSpsBackupHelperMonitor* self = new ( ELeave ) CSpsBackupHelperMonitor;

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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// 

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CSpsBackupHelperMonitor::~CSpsBackupHelperMonitor()

    {

    Cancel();

    iProperty.Close();

    delete iPerformer;

    }

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// 

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CSpsBackupHelperMonitor::CSpsBackupHelperMonitor() : 

    CActive( CActive::EPriorityStandard )

    {

    }

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// 

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void CSpsBackupHelperMonitor::ConstructL()

    {

    TInt err( KErrNone );

    // Add to active scheduler

    CActiveScheduler::Add(this);

    // Set up the property to catch the BUR flag.

    TInt backupStateValue = 0;

    iProperty.Attach( KUidSystemCategory, conn::KUidBackupRestoreKey );

    // Check current state to see if we were started for backup purposes

    iProperty.Get(backupStateValue);

    // Subscribe to the P&S flag to catch transitions

    Subscribe();

    // Construct performer

    iPerformer = CSpsBackupHelperPerformer::NewL();

    TRAP( err, ProcessBackupStateL(backupStateValue) );

    XSPSLOGSTRING2( "CSpsBackupHelperMonitor::ConstructL, %i", err );

    }

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// 

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void CSpsBackupHelperMonitor::ProcessBackupStateL( TInt aBackupStateValue )

    {

    XSPSLOGSTRING2( "CSpsBackupHelperMonitor::ProcessBackupStateL, %i", aBackupStateValue );

    // Do special logic when restore has ended

    if( RestoreOngoing( aBackupStateValue ) )

        {

        XSPSLOGSTRING( "CSpsBackupHelperMonitor::ProcessBackupStateL, restore started" );

        // Restore started.

        iParticipateRestore = ETrue;

        }

    else if( NoBackupRestore( aBackupStateValue ) && iParticipateRestore )

        {

        XSPSLOGSTRING( "CSpsBackupHelperMonitor::ProcessBackupStateL, restore ended" );

        // Increase priority so that restore process wont be interrupted so easily

        RProcess().SetPriority( ::EPriorityHigh );

        // Performer available and no backup or restore ongoing

        // -> Restore has been ended.

        iPerformer->PerformL();

        }

    if( NoBackupRestore( aBackupStateValue ) )

        {

        XSPSLOGSTRING( "CSpsBackupHelperMonitor::ProcessBackupStateL, cleanup" );

        iParticipateRestore = EFalse;

        }

    XSPSLOGSTRING( "CSpsBackupHelperMonitor::ProcessBackupStateL OUT" );

    }

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// 

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TBool CSpsBackupHelperMonitor::RestoreOngoing( TInt aBackupStateValue )

    {

    // Full or partial restore started/ongoing

    TBool ret = 

        ( ( ( aBackupStateValue & conn::EBURRestoreFull ) == 

            conn::EBURRestoreFull ) ||

        ( ( aBackupStateValue & conn::EBURRestorePartial ) == 

            conn::EBURRestorePartial ) );

    return ret;

    }

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// 

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TBool CSpsBackupHelperMonitor::NoBackupRestore( TInt aBackupStateValue )

    {

    // Not set or no backup or restore ongoing

    TBool ret = 

    return ret;

    }

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// 

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void CSpsBackupHelperMonitor::Subscribe()

    {

    iStatus = KRequestPending;

    iProperty.Subscribe(iStatus);

    SetActive();

    }

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// 

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void CSpsBackupHelperMonitor::RunL()

    {

    XSPSLOGSTRING( "CSpsBackupHelperMonitor::RunL IN" );

    // The P&S flag has changed state, which could mean that the device is

    // either entering a backup, restore or normal state

    TInt backupStateValue = 0;  // To store the P&S value

    // re-subscribe to the flag to monitor future changes

    Subscribe();

    XSPSLOGSTRING( "CSpsBackupHelperMonitor::RunL OUT" );

    }

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// 

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//

TInt CSpsBackupHelperMonitor::RunError( TInt /*aError*/ )

    {

    XSPSLOGSTRING( "CSpsBackupHelperMonitor::RunError" );

    return KErrNone;

    }

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// 

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void CSpsBackupHelperMonitor::DoCancel()

    {

    iProperty.Cancel();

    }

// End of file