/*

* 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:  Modem's mode listener and notifier

*

*/

#include "DunAtModeListen.h"

#include "DunDebug.h"

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

// Two-phased constructor.

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

//

CDunAtModeListen* CDunAtModeListen::NewL( RATExtCommon* aAtCmdExtCommon,

                                          MDunAtModeListen* aCallback )

    {

    CDunAtModeListen* self = NewLC( aAtCmdExtCommon, aCallback );

    CleanupStack::Pop( self );

    return self;

    }

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

// Two-phased constructor.

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

//

CDunAtModeListen* CDunAtModeListen::NewLC( RATExtCommon* aAtCmdExtCommon,

                                           MDunAtModeListen* aCallback )

    {

    CDunAtModeListen* self = new (ELeave) CDunAtModeListen( aAtCmdExtCommon,

                                                            aCallback );

    CleanupStack::PushL( self );

    self->ConstructL();

    return self;

    }

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

// Destructor.

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

//

CDunAtModeListen::~CDunAtModeListen()

    {

    FTRACE(FPrint( _L("CDunAtModeListen::~CDunAtModeListen()") ));

    ResetData();

    FTRACE(FPrint( _L("CDunAtModeListen::~CDunAtModeListen() complete") ));

    }

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

// Resets data to initial values

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

//

void CDunAtModeListen::ResetData()

    {

    FTRACE(FPrint( _L("CDunAtModeListen::ResetData()") ));

    // APIs affecting this:

    // IssueRequest()

    Stop();

    // Internal

    Initialize();

    FTRACE(FPrint( _L("CDunAtModeListen::ResetData() complete") ));

    }

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

// Issues request to start monitoring for mode status changes

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

//

TInt CDunAtModeListen::IssueRequest()

    {

    FTRACE(FPrint( _L("CDunAtModeListen::IssueRequest()" )));

    if ( iModeListenState != EDunStateIdle )

        {

        FTRACE(FPrint( _L("CDunAtModeListen::IssueRequest() (not ready) complete" ) ));

        return KErrNotReady;

        }

    iStatus = KRequestPending;

    iAtCmdExtCommon->ReceiveModeStatusChange( iStatus, iModePckg );

    SetActive();

    iModeListenState = EDunStateModeListening;

    FTRACE(FPrint( _L("CDunAtModeListen::IssueRequest() complete" )));

    return KErrNone;

    }

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

// Stops monitoring for mode status changes

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

//

TInt CDunAtModeListen::Stop()

    {

    FTRACE(FPrint( _L("CDunAtModeListen::Stop()" )));

    if ( iModeListenState != EDunStateModeListening )

        {

        FTRACE(FPrint( _L("CDunAtModeListen::Stop() (not ready) complete" ) ));

        return KErrNotReady;

        }

    iAtCmdExtCommon->CancelReceiveModeStatusChange();

    Cancel();

    iModeListenState = EDunStateIdle;

    FTRACE(FPrint( _L("CDunAtModeListen::Stop() complete" )));

    return KErrNone;

    }

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

// CDunAtModeListen::CDunAtModeListen

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

//

CDunAtModeListen::CDunAtModeListen( RATExtCommon* aAtCmdExtCommon,

                                    MDunAtModeListen* aCallback ) :

    CActive( EPriorityHigh ),

    iAtCmdExtCommon( aAtCmdExtCommon ),

    iCallback( aCallback ),

    iModePckg( iMode )

    {

    Initialize();

    }

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

// CDunAtModeListen::ConstructL

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

//

void CDunAtModeListen::ConstructL()

    {

    FTRACE(FPrint( _L("CDunAtModeListen::ConstructL()") ));

    if ( !iAtCmdExtCommon || !iCallback )

        {

        User::Leave( KErrGeneral );

        }

    CActiveScheduler::Add( this );

    FTRACE(FPrint( _L("CDunAtModeListen::ConstructL() complete") ));

    }

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

// Initializes this class

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

//

void CDunAtModeListen::Initialize()

    {

    // Don't initialize iAtCmdExtCommon here (it is set through NewL)

    // Don't initialize iCallback here (it is set through NewL)

    iModeListenState = EDunStateIdle;

    iMode = 0;

    }

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

// From class CActive.

// Gets called when mode changes

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

//

void CDunAtModeListen::RunL()

    {

    FTRACE(FPrint( _L("CDunAtModeListen::RunL()") ));

    iModeListenState = EDunStateIdle;

    TInt retTemp = iStatus.Int();

    if ( retTemp != KErrNone )

        {

        FTRACE(FPrint( _L("CDunAtModeListen::RunL() (ERROR) complete (%d)"), retTemp ));

        return;

        }

    FTRACE(FPrint( _L("CDunAtModeListen::RunL() managing 0x%08X" ), iMode ));

    iCallback->NotifyModeStatusChange( iMode );

    IssueRequest();

    FTRACE(FPrint( _L("CDunAtModeListen::RunL() complete") ));

    }

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

// From class CActive.

// Gets called on cancel

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

//

void CDunAtModeListen::DoCancel()

    {

    }