/*

* 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:  This is the implementation of application class

 *

*/

#include "hiddescriptor.h"

CHidDescriptor* CHidDescriptor::NewL()

    {

    CHidDescriptor* self = NewLC();

    CleanupStack::Pop(self);

    return self;

    }

CHidDescriptor* CHidDescriptor::NewLC()

    {

    CHidDescriptor* self = new (ELeave) CHidDescriptor();

    CleanupStack::PushL(self);

    self->ConstructL();

    return self;

    }

CHidDescriptor* CHidDescriptor::NewL(RReadStream& aStream)

    {

    CHidDescriptor* self = NewLC(aStream);

    CleanupStack::Pop(self);

    return self;

    }

CHidDescriptor* CHidDescriptor::NewLC(RReadStream& aStream)

    {

    CHidDescriptor* self = new (ELeave) CHidDescriptor();

    CleanupStack::PushL(self);

    self->ConstructL(aStream);

    return self;

    }

CHidDescriptor::CHidDescriptor()

    {

    }

CHidDescriptor::~CHidDescriptor()

    {

    delete iRawData;

    }

void CHidDescriptor::ConstructL()

    {

    }

void CHidDescriptor::ConstructL(RReadStream& aStream)

    {

    // First read in the type

    iType = static_cast<CHidDescriptor::TDescType> (aStream.ReadInt32L());

    // The TInt size was written out using WriteInt32L

    // Read in the buffer size

    TInt size = aStream.ReadInt32L();

    if (size > 0)

        {

        // Read in any data

        iRawData = HBufC8::NewL(aStream, size);

        }

    }

TInt CHidDescriptor::DiskSize() const

    {

    // Always using 10 bytes as an estimate for Series 60 Descriptor headers

    // We write out the type which is an int

    TInt size = 4;

    // If there is raw data we will write out the descriptor

    if (iRawData && iRawData->Length() > 0)

        {

        // An estimate of the header requirements.

        size += 10;

        size += iRawData->Length();

        }

    return size;

    }

void CHidDescriptor::ExternalizeL(RWriteStream& aStream) const

    {

    // NOTE!! When changing this function, also check DiskSize

    // First write out the type

    aStream.WriteInt32L(iType);

    if (iRawData && iRawData->Length() > 0)

        {

        // Write out the buffer length

        aStream.WriteInt32L(iRawData->Length());

        // Write out the buffer

        aStream << *iRawData;

        }

    else

        {

        // No buffer so just put 0

        aStream.WriteInt32L(0);

        }

    }