/*

* 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:  ECom plugin install/uninstall/version listener

*

*/

#include "DunAtEcomListen.h"

#include "DunDebug.h"

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

// Two-phased constructor.

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

//

CDunAtEcomListen* CDunAtEcomListen::NewL(

    RATExt* aAtCmdExt,

    MDunAtEcomListen* aCallback )

    {

    CDunAtEcomListen* self = NewLC( aAtCmdExt, aCallback );

    CleanupStack::Pop( self );

    return self;

    }

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

// Two-phased constructor.

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

//

CDunAtEcomListen* CDunAtEcomListen::NewLC(

    RATExt* aAtCmdExt,

    MDunAtEcomListen* aCallback )

    {

    CDunAtEcomListen* self = new (ELeave) CDunAtEcomListen( aAtCmdExt,

                                                            aCallback );

    CleanupStack::PushL( self );

    self->ConstructL();

    return self;

    }

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

// Destructor.

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

//

CDunAtEcomListen::~CDunAtEcomListen()

    {

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

    ResetData();

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

    }

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

// Resets data to initial values

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

//

void CDunAtEcomListen::ResetData()

    {

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

    // APIs affecting this:

    // IssueRequest()

    Stop();

    // Internal

    Initialize();

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

    }

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

// Starts waiting for ECom plugin install/uninstall/version status changes

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

//

TInt CDunAtEcomListen::IssueRequest()

    {

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

    if ( iEcomListenState != EDunStateIdle )

        {

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

        return KErrNotReady;

        }

    iStatus = KRequestPending;

    iAtCmdExt->ReceiveEcomPluginChange( iStatus, iPluginUidPckg, iEcomTypePckg );

    SetActive();

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

    return KErrNone;

    }

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

// Stops waiting for Ecom plugin install/uninstall/version status changes

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

//

TInt CDunAtEcomListen::Stop()

    {

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

    if ( iEcomListenState != EDunStateEcomListening )

        {

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

        return KErrNotReady;

        }

    iAtCmdExt->CancelReceiveEcomPluginChange();

    Cancel();

    iEcomListenState = EDunStateIdle;

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

    return KErrNone;

    }

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

// CDunAtEcomListen::CDunAtEcomListen

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

//

CDunAtEcomListen::CDunAtEcomListen( RATExt* aAtCmdExt,

                                    MDunAtEcomListen* aCallback ) :

    CActive( EPriorityHigh ),

    iAtCmdExt( aAtCmdExt ),

    iCallback( aCallback ),

    iPluginUidPckg( iPluginUid ),

    iEcomTypePckg( EEcomTypeUninstall )

    {

    Initialize();

    }

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

// CDunAtEcomListen::ConstructL

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

//

void CDunAtEcomListen::ConstructL()

    {

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

    if ( !iAtCmdExt || !iCallback )

        {

        User::Leave( KErrGeneral );

        }

    CActiveScheduler::Add( this );

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

    }

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

// Initializes this class

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

//

void CDunAtEcomListen::Initialize()

    {

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

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

    iEcomListenState = EDunStateIdle;

    iPluginUid = TUid::Null();

    }

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

// From class CActive.

// Gets called when plugin installed, uninstalled or changed

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

//

void CDunAtEcomListen::RunL()

    {

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

    iEcomListenState = EDunStateIdle;

    TInt retTemp = iStatus.Int();

    if ( retTemp != KErrNone )

        {

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

        return;

        }

    IssueRequest();

    // Now the operation is either unintall or install of plugin

    // Notify parent and ATEXT

    if ( iEcomTypePckg() == EEcomTypeUninstall )

        {

        iCallback->NotifyPluginUninstallation( iPluginUid );

        }

    else if ( iEcomTypePckg() == EEcomTypeInstall )

        {

        iCallback->NotifyPluginInstallation( iPluginUid );

        }

    else

        {

        FTRACE(FPrint( _L("CDunAtEcomListen::RunL() (not supported) complete") ));

        }

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

    }

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

// From class CActive.

// Gets called on cancel

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

//

void CDunAtEcomListen::DoCancel()

    {

    FTRACE(FPrint( _L("CDunAtEcomListen::DoCancel()") ));

    FTRACE(FPrint( _L("CDunAtEcomListen::DoCancel() complete") ));

    }