/*

* 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:   Contains CNcdNodeContentInfoProxy class implementation

*

*/

#include "ncdnodecontentinfoproxy.h"

#include "ncdnodemetadataproxy.h"

#include "ncdoperationimpl.h"

#include "catalogsclientserver.h"

#include "ncdnodeidentifier.h"

#include "ncdnodefunctionids.h"

#include "ncdnodeclassids.h"

#include "catalogsinterfaceidentifier.h"

#include "catalogsutils.h"

#include "catalogsdebug.h"

#include "ncderrors.h"

// ======== PUBLIC MEMBER FUNCTIONS ========

CNcdNodeContentInfoProxy::CNcdNodeContentInfoProxy(

    MCatalogsClientServer& aSession,

    TInt aHandle,

    CNcdNodeMetadataProxy& aMetadata )

: CNcdInterfaceBaseProxy( aSession, aHandle, &aMetadata )

    {

    }

void CNcdNodeContentInfoProxy::ConstructL()

    {

    DLTRACEIN((""));

    // Register the interface

    MNcdNodeContentInfo* interface( this );

    AddInterfaceL( 

        CCatalogsInterfaceIdentifier::NewL( interface, this, MNcdNodeContentInfo::KInterfaceUid ) );

    InternalizeL();

    }

CNcdNodeContentInfoProxy* CNcdNodeContentInfoProxy::NewL(

    MCatalogsClientServer& aSession,

    TInt aHandle,

    CNcdNodeMetadataProxy& aMetadata )

    {

    CNcdNodeContentInfoProxy* self = 

        CNcdNodeContentInfoProxy::NewLC( aSession, aHandle, aMetadata );

    CleanupStack::Pop( self );

    return self;

    }

CNcdNodeContentInfoProxy* CNcdNodeContentInfoProxy::NewLC(

    MCatalogsClientServer& aSession,

    TInt aHandle,

    CNcdNodeMetadataProxy& aMetadata )

    {

    CNcdNodeContentInfoProxy* self = 

        new( ELeave ) CNcdNodeContentInfoProxy( aSession, aHandle, aMetadata );

    // Using PushL because the object does not have any references yet

    CleanupStack::PushL( self );

    self->ConstructL();

    return self;

    }

CNcdNodeContentInfoProxy::~CNcdNodeContentInfoProxy()

    {

    DLTRACEIN((""));

    // Remove interfaces implemented by this class from the interface list.

    // So, the interface list is up to date when this class object is deleted.

    RemoveInterface( MNcdNodeContentInfo::KInterfaceUid );

    delete iMimeType;

    iMimeType = NULL;

    delete iVersion;

    iVersion = NULL;

    }

void CNcdNodeContentInfoProxy::InternalizeL()

    {

    DLTRACEIN((""));

    HBufC8* data( NULL );

    // Because we do not know the exact size of the data, use

    // the alloc method, which creates the buffer of the right size

    // and sets the pointer to point to the created buffer.

    // Get all the data that is necessary to internalize this object

    // from the server side.

    TInt error(

        ClientServerSession().

        SendSyncAlloc( NcdNodeFunctionIds::ENcdInternalize,

                       KNullDesC8,

                       data,

                       Handle(),

                       0 ) );

    if ( error == KNcdErrorObsolete )

        {

        DLINFO(("Content info was obsolete"));

        // Remove interfaces implemented by this class from the top parent interface list.

        // So, the interface list is up to date after this object is removed

        // from its top parent.

        RemoveInterface( MNcdNodeContentInfo::KInterfaceUid );

        // Remove from the parent

        RemoveFromParent();

        // Now update the interface for this object just in case somebody needs it.

        // Register the interface

        MNcdNodeContentInfo* interface( this );

        AddInterfaceL( 

            CCatalogsInterfaceIdentifier::NewL( interface, this, MNcdNodeContentInfo::KInterfaceUid ) );

        }

    // If error occurred during data transfer, leave here and forward the error.

    User::LeaveIfError( error );

    if ( data == NULL )

        {

        DLERROR((""));

        User::Leave(  KErrNotFound );

        }

     CleanupStack::PushL( data );

     // Read the data from the stream and insert it to the memeber variables

     RDesReadStream stream( *data );

     CleanupClosePushL( stream );

     InternalizeDataL( stream );

     // Closes the stream

     CleanupStack::PopAndDestroy( &stream ); 

     CleanupStack::PopAndDestroy( data );

    DLTRACEOUT((""));    

    }

// MNcdNodeContentInfo functions

TUint CNcdNodeContentInfoProxy::Purpose() const

    {

    DLTRACEIN(( "iPurpose: %u", iPurpose ));

    return iPurpose;

    }

const TDesC& CNcdNodeContentInfoProxy::MimeType() const

    {

    DASSERT( iMimeType );

    return *iMimeType;

    }

TUid CNcdNodeContentInfoProxy::Uid() const

    {

    return iUid;

    }

const TDesC& CNcdNodeContentInfoProxy::Version() const

    {

    DASSERT( iVersion );

    return *iVersion;

    }

TInt CNcdNodeContentInfoProxy::Size() const

    {

    return iSize;

    }

// Other functions

void CNcdNodeContentInfoProxy::InternalizeDataL( RReadStream& aStream )

    {

    DLTRACEIN((""));

    // First read the class id. Because, it is the first thing in the stream.

    TInt classId( aStream.ReadInt32L() );

    if ( classId != NcdNodeClassIds::ENcdNodeContentInfoClassId )

        {

        // classId is not recognized

        DLERROR(("Class id was not recognized!"));

        // For testing purposes assert here

        DASSERT( EFalse );

        // Otherwise leave is adequate

        User::Leave( KErrCorrupt );

        }

    iPurpose = aStream.ReadUint16L();

    DLINFO(( "Purpose: %u", iPurpose ));

    InternalizeDesL( iMimeType, aStream );    

    DLINFO(( _L("Mime: %S"), iMimeType ));

    iUid.iUid = aStream.ReadInt32L();    

    DLINFO(( "Uid: %x", iUid.iUid ));

    InternalizeDesL( iVersion, aStream );    

    DLINFO(( _L("Version: %S"), iVersion ));

    iSize = aStream.ReadInt32L();

    DLINFO(( _L("Size: %d"), iSize ));

    DLTRACEOUT((""));

    }