/*

* Copyright (c) 2006 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:   Communicates message data to SendUILauncher server application

*

*/

#include <aknappui.h>

#include <AknServerApp.h>

#include <s32mem.h>

#include <CMessageData.h>

#include <SendUiConsts.h>

#include "senduiserviceclient.h"

#include "senduiserviceslog.h"

#include "senduilauncher.h"

#include "senduiservicecommands.h"

typedef TBuf8<KTransferBufferSize> TTransferBuf;

// ======== LOCAL FUNCTIONS ========

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

// Launch SendUi

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

//

void RSendUiServiceClient::LaunchSendUiL( 

    TUid& aServiceUid,

    TUid& aServiceProviderUid, 

    TBool& aLaunchEmbedded, 

    const CMessageData* aMessageData )

    {

    CBufBase* buffer = CBufFlat::NewL( KMessageBufferSize );

    CleanupStack::PushL( buffer );

    RBufWriteStream bufStream;

    bufStream.Open( *buffer );

    bufStream.WriteUint32L( aServiceProviderUid.iUid );

    TUid dataType(KSenduiMsgDataBase);

    if ( aMessageData )

        {

        dataType = aMessageData->DataType();

        }

    bufStream.WriteUint32L( dataType.iUid );

    bufStream.WriteUint32L( aServiceUid.iUid );

    bufStream.WriteUint32L( aLaunchEmbedded ? 1 : 0);

    bufStream.WriteUint32L( aMessageData ? 1 : 0);

    if ( aMessageData )

        {

        aMessageData->ExternalizeL( bufStream );    

        }

    bufStream.CommitL();

    bufStream.Close();

    LOGTEXT2(_L("RSendUiServiceClient->LaunchSendUiL: buffer size %d"), buffer->Size() );

    TInt totalSize = buffer->Size();

    TInt transferredBytes(0);

    TInt blockSize(0);

    TTransferBuf transferBuffer;

    while( transferredBytes < totalSize)

        {

        // determine block size

        if ( transferredBytes + KTransferBufferSize < totalSize )

            {

            blockSize = KTransferBufferSize;

            }

        else

            {

            // the last block size

            blockSize = totalSize - transferredBytes;

            }

        buffer->Read( transferredBytes, transferBuffer, blockSize );

        TPckgBuf<TTransferBuf> transferBufferPckg( transferBuffer );

        TPckgBuf<TInt> totalSizePckg( totalSize );

        TPckgBuf<TInt> blockSizePckg( blockSize );

        SendReceive( ESendUiDataBlock, 

            TIpcArgs( &transferBufferPckg, &blockSizePckg, &totalSizePckg ) );

        transferredBytes += blockSize;

        } // while..

    SendReceive( EDataSent );

    if ( aMessageData )

    {

        TInt index(0);

        TInt fileHandleCount = aMessageData->AttachmentHandleArray().Count();

        // Transfer filehandles separately

        while( index < fileHandleCount )

        {

            TIpcArgs ipcArgs;

            aMessageData->AttachmentHandleArray()[index++].TransferToServer(ipcArgs, 0, 1);

            SendReceive(ECopyFileHandle, ipcArgs);

        }

    }

    SendReceive( ELaunchSendUi );

    CleanupStack::PopAndDestroy(buffer);

}

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

// Return service identifier

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

//

TUid RSendUiServiceClient::ServiceUid() const

    {

    return KSendUiLauncherAppServiceUid;

    }

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

// Destructor

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

//

RSendUiServiceClient::~RSendUiServiceClient() 

    { 

    Close(); 

    }