/*

* Copyright (c) 2002-2004 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:  Class represents an Object Description Tree of Xuikon.

*

*/

#include "hspsodt.h"

#include <s32strm.h>

#include <s32mem.h>

#include "hspsthememanagement.h"

#include "hspsdomdocument.h"

#include "hspsresource.h"

/* Literal delim is used in separation of theme header and and other data in ODT-streaming. */

_LIT(KDelim, "#");

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

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

// ChspsODT::ChspsODT

// C++ default constructor can NOT contain any code, that

// might leave.

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

//

ChspsODT::ChspsODT()

    {

    }

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

// ChspsODT::ConstructL

// Symbian 2nd phase constructor can leave.

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

//

void ChspsODT::ConstructL()

    {

    iDomDocument = ChspsDomDocument::NewL();

    iResourceList = new( ELeave ) CArrayPtrSeg<ChspsResource>( KPathListGranularity ); 

    }

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

// ChspsODT::NewL

// Two-phased constructor.

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

//

EXPORT_C ChspsODT* ChspsODT::NewL()

    {

    ChspsODT* self = new( ELeave ) ChspsODT;

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

// ChspsODT::NewLC

// Two-phased constructor.

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

//

EXPORT_C ChspsODT* ChspsODT::NewLC( const TDesC8& aStreamData )

    {

    ChspsODT* data = ChspsODT::NewL();

    CleanupStack::PushL( data );

    RDesReadStream stream( aStreamData );

    CleanupClosePushL( stream );

    data->InternalizeL( stream );

    CleanupStack::PopAndDestroy( &stream );

    return data;

    }

// Destructor

ChspsODT::~ChspsODT()

    {

    delete iDescription;

    delete iLogoFile;

    delete iPreviewFile;

    delete iProviderName;

    delete iThemeFullName;

    delete iThemeShortName;

    delete iThemeVersion;

    delete iPackageVersion;

    // clean up the array

    if( iResourceList )

        {

        iResourceList->ResetAndDestroy();

        delete iResourceList;

        }

    delete iDomDocument;

    }

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

// ChspsODT::MarshalHeaderL

// Marshals the ODT header into descriptor

// (other items were commented in a header).

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

EXPORT_C HBufC8* ChspsODT::MarshalHeaderL() const

    {

    CBufFlat* buf = CBufFlat::NewL( KMaxHeaderDataLength8 );

    CleanupStack::PushL( buf );

    RBufWriteStream stream( *buf );     //stream over the buffer

    CleanupClosePushL( stream );

    ExternalizeHeaderL( stream );

    CleanupStack::PopAndDestroy( &stream );

    //Create a heap descriptor from the buffer

    HBufC8* des = HBufC8::NewL( buf->Size() );

    TPtr8 ptr( des->Des() );

    buf->Read( 0, ptr, buf->Size() );

    CleanupStack::PopAndDestroy( buf );

    return des;

    }

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

// ChspsODT::UnMarshalHeaderLC

// Unmarshals the ODT header from descriptor stream

// (other items were commented in a header).

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

EXPORT_C ChspsODT* ChspsODT::UnMarshalHeaderLC( const TDesC8& aStreamData )

    {

    ChspsODT* data = ChspsODT::NewL();

    CleanupStack::PushL( data );

    RDesReadStream stream( aStreamData );

    CleanupClosePushL( stream );

    data->InternalizeHeaderL( stream );

    CleanupStack::PopAndDestroy( &stream );

    return data;

    }

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

// ChspsODT::UnMarshalHeaderL

// Unmarshals the ODT header from descriptor stream

// (other items were commented in a header).

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

EXPORT_C void ChspsODT::UnMarshalHeaderL( const TDesC8& aStreamData )

    {

    RDesReadStream stream( aStreamData );

    CleanupClosePushL( stream );

    InternalizeHeaderL( stream );

    CleanupStack::PopAndDestroy( &stream );

    }

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

// ChspsODT::ExternalizeL

// Externalizes the ODT

// (other items were commented in a header).

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

EXPORT_C void ChspsODT::ExternalizeL( RWriteStream& aStream ) const

    {

    ExternalizeHeaderL( aStream );

    ExternalizeResourceListL( aStream );   

    aStream << *iDomDocument;    

    }

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

// ChspsODT::InternalizeL

// Internalizes the ODT

// (other items were commented in a header).

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

EXPORT_C void ChspsODT::InternalizeL( RReadStream& aStream )

    {

    InternalizeHeaderL( aStream );

    // consumes header delimiter

    aStream.ReadInt16L();

    InternalizeResourceListL( aStream );    

    delete iDomDocument;

    iDomDocument = NULL;

    iDomDocument = ChspsDomDocument::NewL( aStream );

    }

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

// ChspsODT::ExternalizeHeaderL

// Externalizes the ODT header

// (other items were commented in a header).

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

void ChspsODT::ExternalizeHeaderL( RWriteStream& aStream ) const

    {

    if ( iPackageVersion )

        {

        aStream << *iPackageVersion;

        }

    else

        {

        aStream << KNullDesC;

        }

    aStream.WriteUint32L( iFamilyMask );

    aStream.WriteUint32L( iConfigurationType );

    aStream.WriteUint32L( iRootUid );

    aStream.WriteUint32L( iProviderUid );

    aStream.WriteUint32L( iThemeUid );

    aStream.WriteInt32L( iMultiInstance );

    if ( iDescription )

        {

        aStream << *iDescription;

        }    

    else

        {

        aStream << KNullDesC;

        }

    if ( iLogoFile )

        {

        aStream << *iLogoFile;

        }    

    else

        {

        aStream << KNullDesC;

        }

    if ( iPreviewFile )

        {

        aStream << *iPreviewFile;

        }    

    else

        {

        aStream << KNullDesC;

        }

    if ( iProviderName )

        {

        aStream << *iProviderName;

        }

    else

        {

        aStream << KNullDesC;

        }

    if ( iThemeFullName )

        {

        aStream << *iThemeFullName;

        }

    else 

        {

        aStream << KNullDesC;

        }

    if ( iThemeShortName )

        {

        aStream << *iThemeShortName;

        }

    else 

        {

        aStream << KNullDesC;

        }

    if ( iThemeVersion )

        {

        aStream << *iThemeVersion;

        }

    else

        {

        aStream << KNullDesC;

        }

    aStream.WriteInt32L( iLanguage );

    aStream.WriteUint32L( iFlags );

    // end of the header delimiter

    aStream.WriteL( KDelim );

    }

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

// ChspsODT::InternalizeHeaderL

// Internalizes the ODT header

// (other items were commented in a header).

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

EXPORT_C void ChspsODT::InternalizeHeaderL( RReadStream& aStream )

    {

    HBufC* version = HBufC::NewL( aStream, KMaxFileName );

    CleanupStack::PushL( version );

    if ( iPackageVersion && version->Des().Compare( iPackageVersion->Des() ) != 0 )

        {

        // Package version check requested (iPackageVersion defined) 

        // and package version not supported

        User::Leave( KErrNotSupported );

        }

    if ( !iPackageVersion && version->Length() )

        {

        // Package version check not requested

        iPackageVersion = version->AllocL();

        }

    CleanupStack::PopAndDestroy( version );

    iFamilyMask = aStream.ReadUint32L();    

    iConfigurationType = aStream.ReadUint32L();

    iRootUid = aStream.ReadUint32L();

    iProviderUid = aStream.ReadUint32L();

    iThemeUid = aStream.ReadUint32L();

    iMultiInstance = aStream.ReadInt32L();

    delete iDescription;

    iDescription = NULL;

    iDescription = HBufC::NewL(aStream, KMaxDescLength );

    delete iLogoFile;

    iLogoFile = NULL;

    iLogoFile = HBufC::NewL(aStream, KMaxFileName );

    delete iPreviewFile;

    iPreviewFile = NULL;

    iPreviewFile = HBufC::NewL(aStream, KMaxFileName );

    delete iProviderName;

    iProviderName = NULL;

    iProviderName = HBufC::NewL(aStream, KMaxFileName );

    delete iThemeFullName;

    iThemeFullName = NULL;

    iThemeFullName = HBufC::NewL(aStream, KMaxFileName );

    delete iThemeShortName;

    iThemeShortName = NULL;

    iThemeShortName = HBufC::NewL(aStream, KMaxFileName );

    delete iThemeVersion;

    iThemeVersion = NULL;

    iThemeVersion = HBufC::NewL(aStream, KMaxFileName );

    iLanguage = aStream.ReadInt32L();

    iFlags = aStream.ReadUint32L();

    }

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

// ChspsODT::AddResourceL

// Adds a resource into Resource List. Takes ownership.

// (other items were commented in a header).

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

EXPORT_C void ChspsODT::AddResourceL( ChspsResource* aResource )

    {

    const TInt resourceIndex = CheckResourceL( aResource );   

    if ( resourceIndex >= 0 ) 

    	{

        ChspsResource* resource = iResourceList->At( resourceIndex );

        delete resource;

        resource = NULL;

        iResourceList->Delete( resourceIndex );

    	}

    iResourceList->AppendL( aResource );

    }

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

// ChspsODT::CheckResourceL

// Check for duplicates

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

TInt ChspsODT::CheckResourceL( ChspsResource* aResource )

	{

	if ( !aResource )

		{

		User::Leave( KErrArgument );

		}

	for ( TInt index=0; index < ResourceCount(); index++ )

		{

		ChspsResource& r = ResourceL(index);

		if ( r.ResourceId() == aResource->ResourceId() 

				&& r.FileName() == aResource->FileName() )

			{

			return index;

			}

		}

	return KErrNotFound;

	}

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

// ChspsODT::DeleteResourceL

// Deletes resource from the element array

// (other items were commented in a header).

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

EXPORT_C void ChspsODT::DeleteResourceL( TInt aIndex )

    {

    if ( aIndex < 0 || aIndex >= ResourceCount() )

        {

        User::Leave( KErrArgument );

        }

    ChspsResource* resource = iResourceList->At( aIndex );    

    if ( resource )

        {

        delete resource;

        resource = NULL;

        iResourceList->Delete( aIndex );

        }

    }

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

// ChspsODT::ResourceL

// Get the resource by the index

// (other items were commented in a header).

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

EXPORT_C ChspsResource& ChspsODT::ResourceL( TInt aIndex ) const

    {

    if ( aIndex < 0 || aIndex >= ResourceCount() )

        {

        User::Leave( KErrArgument );

        }

    return ( *iResourceList->At(aIndex));

    }

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

// ChspsODT::ElementCount

// Returns the amount of elements

// (other items were commented in a header).

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

EXPORT_C TInt ChspsODT::ResourceCount() const

    {

    return iResourceList->Count();

    }

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

// ChspsODT::ExternalizeResourceListL

// (other items were commented in a header).

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

EXPORT_C void ChspsODT::ExternalizeResourceListL( RWriteStream& aStream ) const

    {

    // Stream out the resource list

	TInt count = iResourceList->Count();

	aStream.WriteInt32L(count);

	ChspsResource* resource;

	for (TInt i=0;i<count;i++)

	    {

	    resource = iResourceList->At(i);

	    resource->ExternalizeL(aStream);

	    }

    }

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

// ChspsODT::InternalizeResourceListL

// (other items were commented in a header).

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

EXPORT_C void ChspsODT::InternalizeResourceListL( RReadStream& aStream )

    {

    // clean up the array

    if( iResourceList )

        {

        iResourceList->ResetAndDestroy();

        }

	// stream in the resource list

	TInt count = aStream.ReadInt32L();

	for (TInt i=0;i<count;i++)

		{

        ChspsResource* resource = ChspsResource::NewL();

        CleanupStack::PushL(resource);

        resource->InternalizeL(aStream);

       	if ( iResourceList )

       	    {

       	    iResourceList->AppendL( resource );

       	    }

        CleanupStack::Pop( resource ); // now owned by array

        resource = NULL;

		}

    }

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

// ChspsODT::SetRootUid

// Set RootUid

// (other items were commented in a header).

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