/*

* Copyright (c) 2006-2007 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:  Common waiter for closing self-destruct plugins

*

*/

#include "DunCloseWait.h"

#include "DunDebug.h"

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

// Two-phased constructor.

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

//

CDunCloseWait* CDunCloseWait::NewL( MDunCloseWait* aCallback )

    {

    CDunCloseWait* self = new (ELeave) CDunCloseWait( aCallback );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

// Destructor.

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

//

CDunCloseWait::~CDunCloseWait()

    {

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

    ResetData();

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

    }

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

// Resets data to initial values

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

//

void CDunCloseWait::ResetData()

    {

    // IssueRequest()

    Stop();

    // AddPluginToClose()

    iCloseList.Close();

    // Internal

    Initialize();

    }

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

// Adds a new object to be destructed to the list

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

//

TInt CDunCloseWait::AddPluginToClose( MDunLocalMediaPlugin* aPluginToClose )

    {

    FTRACE(FPrint( _L("CDunCloseWait::AddPluginToClose()" ) ));

    if ( !aPluginToClose )

        {

        FTRACE(FPrint( _L("CDunCloseWait::AddPluginToClose() (ERROR) complete" ) ));

        return KErrGeneral;

        }

    TInt retTemp = iCloseList.Find( aPluginToClose );

    if ( retTemp != KErrNotFound )

        {

        FTRACE(FPrint( _L("CDunCloseWait::AddPluginToClose() (already exists) complete" ) ));

        return KErrAlreadyExists;

        }

    retTemp = iCloseList.Append( aPluginToClose );

    if ( retTemp != KErrNone )

        {

        FTRACE(FPrint( _L("CDunCloseWait::AddPluginToClose() (append failed!) complete" ) ));

        return retTemp;

        }

    FTRACE(FPrint( _L("CDunCloseWait::AddPluginToClose() complete" ) ));

    return KErrNone;

    }

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

// Issues request to start closing the objects in the close list

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

//

TInt CDunCloseWait::IssueRequest()

    {

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

    if ( IsActive() )

        {

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

        return KErrNotReady;

        }

    iStatus = KRequestPending;

    SetActive();

    TRequestStatus* requestStatus = &iStatus;

    User::RequestComplete( requestStatus, KErrNone );

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

    return KErrNone;

    }

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

// Stops closing the objects in the close list

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

//

TInt CDunCloseWait::Stop()

    {

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

    if ( !IsActive() )

        {

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

        return KErrNotReady;

        }

    Cancel();

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

    return KErrNone;

    }

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

// CDunCloseWait::CDunCloseWait

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

//

CDunCloseWait::CDunCloseWait( MDunCloseWait* aCallback ) :

    CActive( EPriorityHigh ),

    iCallback( aCallback )

    {

    }

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

// CDunCloseWait::ConstructL

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

//

void CDunCloseWait::ConstructL()

    {

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

    if ( !iCallback )

        {

        User::Leave( KErrGeneral );

        }

    CActiveScheduler::Add( this );

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

    }

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

// Initializes this class

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

//

void CDunCloseWait::Initialize()

    {

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

    }

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

// From class CActive.

// Gets called when closing of the plugins should be done

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

//

void CDunCloseWait::RunL()

    {

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

    iCallback->NotifyPluginCloseAfterWait( iCloseList );

    iCloseList.Reset();

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

    }

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

// From class CActive.

// Gets called on cancel

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

//

void CDunCloseWait::DoCancel()

    {

    }