/*

* Copyright (c) 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:  Source file for CUpnpBrowseTask class.

*

*/

// INCLUDE FILES

// upnpframework / avcontroller api

#include "upnpavcontrollerfactory.h"    // UPnPAVControllerFactory

#include "upnpavcontroller.h"           // MUPnPAVController

// upnpframework / commonui api's

#include "upnpcommonui.h"

// command internal

#include "upnpfilepipe.h"               // CUpnpFilePipe

#include "upnpcommandparameters.h"      // CUpnpCommandParameters

#include "upnptaskhandler.h"            // MUpnpTaskHandler

#include "upnpnotehandler.h"            // CUpnpNoteHandler

#include "upnpbrowsetask.h"

#include "upnpcommand.h"

_LIT( KComponentLogfile, "upnpcommand.log");

#include "upnplog.h"

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

// CUpnpBrowseTask::NewL

// Creates an instance of the implementation.

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

//

CUpnpTask* CUpnpBrowseTask::NewL()

    {

    __LOG( "[UpnpCommand]\t CUpnpBrowseTask::NewL" );

    // Create instance

    CUpnpBrowseTask* self = NULL;

    self = new (ELeave) CUpnpBrowseTask();

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    // Cast the object and return

    return (CUpnpTask*)self;

    }

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

// CUpnpBrowseTask::CUpnpBrowseTask

// First phase construction.

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

//

CUpnpBrowseTask::CUpnpBrowseTask()

    {

    __LOG( "[UpnpCommand]\t CUpnpBrowseTask::Constructor" );

    // Initialise member variables

    iAVController = NULL;

    }

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

// Destructor.

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

//

CUpnpBrowseTask::~CUpnpBrowseTask()

    {

    __LOG( "[UpnpCommand]\t CUpnpBrowseTask::Destructor" );

    }

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

// CUpnpBrowseTask::ConstructL

// Perform the second phase of two phase construction. Reserves the Upnp Fw

// resources (they are released when the task is destroyed).

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

//

void CUpnpBrowseTask::ConstructL()

    {

    __LOG( "[UpnpCommand]\t CUpnpBrowseTask::ConstructL" );

    }

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

// CUpnpBrowseTask::AllocateResourcesL

// Allocates the Upnp Fw resources.

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

//

void CUpnpBrowseTask::AllocateResourcesL()

    {

     __LOG( "[UpnpCommand]\t CUpnpBrowseTask::AllocateResourcesL" );

    // Upnp Fw resources are allocated when the command is executed.

    }

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

// CUpnpBrowseTask::ExecuteL

// Executes the task.

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

//

void CUpnpBrowseTask::ExecuteL()

    {

    __LOG( "[UpnpCommand]\t CUpnpBrowseTask::ExecuteL" );

    // Leave if the command has been allocated already

    if( iAVController )

        {

        User::Leave( KErrInUse );

        }

    // Create UpnpAvControllerClient

    iAVController = UPnPAVControllerFactory::NewUPnPAVControllerL();

    TInt status = KErrNone;

    TInt leaveCode = KErrNone;

    // If the improved browse feature is available (introduced in Upnp Fw 2.1)

    // use it, otherwise use the old browse implementation (UpnpCommonUi).

    TRAP( leaveCode,

        CUPnPCommonUI *commonUi = CUPnPCommonUI::NewL();

        CleanupStack::PushL( commonUi );

        status = commonUi->ExecuteDeviceDialogL( *iAVController );

        // Clean up

        CleanupStack::PopAndDestroy( commonUi );

        commonUi = NULL;

        );

    // Show connection lost info note

    if( status == KErrDisconnected )

        {

        TRAP_IGNORE( NoteHandler()->ShowConnectionLostNoteL() );

        }

    // Fix UpnpCommonUi return value

    if( status > 0 )

        {

        status = KErrNone;

        }

    // If UpnpCommonUi leaved, handle the leave code (if necessary)

    if( status == KErrNone &&

        leaveCode != KErrNone )

        {

        status = leaveCode;

        }

    // Clean up

    delete iAVController;

    iAVController = NULL;

    // If there was an error, leave

    if( status != KErrNone )

        {

        User::Leave( status );

        }

    }

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

// CUpnpBrowseTask::WLANConnectionLost

// Notifies that the WLAN connection has been lost. All sessions are now

// usable and must be closed.

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

void CUpnpBrowseTask::WLANConnectionLost()

    {

    __LOG( "[UpnpCommand]\t CUpnpBrowseTask::WLANConnectionLost" );

    // Inform the client that connection was lost.

    CommandEvent( UpnpCommand::EEventComplete, KErrDisconnected );

    // Call task handler (UpnpCommandImplementation) to destroy this task

    if( TaskHandler() )

        {

        TaskHandler()->DestroyTask();

        }

    }

// End of File