/*

* Copyright (c) 2008 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:  Module test observer implementation for fmtx watcher plugin.

*

*/

#include "hwrmfmtxtestobserver.h"

#include "trace.h"

const TInt KTestCategory = 0x101FB3E7;

const TInt KTestKeyNotifyChange = 0x1;

_LIT_SECURITY_POLICY_PASS(KAlwaysPassPolicy);

// ============================ MEMBER FUNCTIONS ===============================

// -----------------------------------------------------------------------------

// CHWRMFmtxTestObserver::NewL()

// -----------------------------------------------------------------------------

//

CHWRMFmtxTestObserver* CHWRMFmtxTestObserver::NewL(

    MHWRMFmtxConnObserverCallback& aObserver )

    {

    FUNC_LOG;

    CHWRMFmtxTestObserver* self = new( ELeave ) CHWRMFmtxTestObserver( aObserver );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

// -----------------------------------------------------------------------------

// CHWRMFmtxTestObserver::~CHWRMFmtxTestObserver()

// -----------------------------------------------------------------------------

//

CHWRMFmtxTestObserver::~CHWRMFmtxTestObserver()

    {

    FUNC_LOG;

    Cancel();

    iTestPubSubKey.Close();

    }

// -----------------------------------------------------------------------------

// CHWRMFmtxTestObserver::GetStatusL

// -----------------------------------------------------------------------------

//

TBool CHWRMFmtxTestObserver::GetStatusL()

    {

    FUNC_LOG;

    TInt value( 0 );

    iTestPubSubKey.Get( value ); // Ignore read error

    return value > 0;

    }

// -----------------------------------------------------------------------------

// CHWRMFmtxTestObserver::StartObservingL

// -----------------------------------------------------------------------------

//

void CHWRMFmtxTestObserver::StartObservingL()

    {

    FUNC_LOG;

    if( !IsActive() )

        {

        OrderNotification();

        // check the initial status, so that only state change is notified

        iConnected = GetStatusL();

        }

    }

// -----------------------------------------------------------------------------

// CHWRMFmtxTestObserver::StopObserving

// -----------------------------------------------------------------------------

//

void CHWRMFmtxTestObserver::StopObserving()

    {

    FUNC_LOG;

    Cancel();

    }

// -----------------------------------------------------------------------------

// CHWRMFmtxTestObserver::CHWRMFmtxTestObserver()

// -----------------------------------------------------------------------------

//

CHWRMFmtxTestObserver::CHWRMFmtxTestObserver( MHWRMFmtxConnObserverCallback& aObserver ) :

    CActive( EPriorityStandard ),

    iCallback( aObserver )

    {

    FUNC_LOG;

    CActiveScheduler::Add( this );

    }

// -----------------------------------------------------------------------------

// CHWRMFmtxTestObserver::ConstructL

// -----------------------------------------------------------------------------

//

void CHWRMFmtxTestObserver::ConstructL()

    {

    FUNC_LOG;

    User::LeaveIfError( RProperty::Define(

        TUid::Uid( KTestCategory ), KTestKeyNotifyChange, RProperty::EInt,

        KAlwaysPassPolicy, KAlwaysPassPolicy ) );

    User::LeaveIfError( iTestPubSubKey.Attach( TUid::Uid( KTestCategory ),

        KTestKeyNotifyChange ) );

    }

// -----------------------------------------------------------------------------

// CHWRMFmtxTestObserver::OrderNotification()

// -----------------------------------------------------------------------------

//

void CHWRMFmtxTestObserver::OrderNotification()

    {

    FUNC_LOG;

    iTestPubSubKey.Subscribe( iStatus );

    SetActive();

    }

// -----------------------------------------------------------------------------

// CHWRMFmtxTestObserver::RunL()

// -----------------------------------------------------------------------------

//

void CHWRMFmtxTestObserver::RunL( )

    {

    FUNC_LOG;

    TInt status( iStatus.Int() );

    LOG_IF_ERROR1( status, "CHWRMFmtxTestObserver::RunL error, status=%d", status );

    if ( status == KErrNone )

        {

        OrderNotification();

        TBool connected( GetStatusL() );

        INFO_LOG2( "CHWRMFmtxTestObserver::RunL: connected=%d, iConnected=%d", connected, iConnected );

        if ( connected != iConnected ) // notify only if state has changed

            {

            iConnected = connected;

            iCallback.HandleConnectionChange( EFmtxWatcherObserverTest, iConnected );

            }    

        }

    }

// -----------------------------------------------------------------------------

// CHWRMFmtxTestObserver::DoCancel

// ---------------------------------------------------------------------------

//

void CHWRMFmtxTestObserver::DoCancel()

    {

    FUNC_LOG;

    iTestPubSubKey.Cancel();

    }

//  End of File