/*

* Copyright (c) 2002-2006 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:  Xuikon Bitmap Plugin.

*

*/

#include "xnnodepluginif.h"

#include "xndomproperty.h"

#include "xnproperty.h"

#include "xncontroladapter.h"

#include "xnimagedecoder.h"

#include "xnbitmapadapter.h"

_LIT(KSkin, "skin(");

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

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

// CXnBitmapAdapter::NewL

// Symbian static 1st phase constructor

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

//

CXnBitmapAdapter* CXnBitmapAdapter::NewL(CXnNodePluginIf& aNode)

    {

	CXnBitmapAdapter* self = new( ELeave ) CXnBitmapAdapter( aNode );

    CleanupStack::PushL( self );

    self->ConstructL( aNode );

    CleanupStack::Pop();

    return self;	

    }

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

// CXnBitmapAdapter::ConstructL

// Symbian 2nd phase constructor can leave.

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

//

void CXnBitmapAdapter::ConstructL(CXnNodePluginIf& aNode)

    {

    CXnControlAdapter::ConstructL( aNode );

    iAreBitmapsLoaded = EFalse;

    iFallbackPathChange = ETrue;

    iDecoder = CXnImageDecoder::NewL( *this, iCoeEnv->FsSession() );

    }

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

// CXnBitmapAdapter::CXnBitmapAdapter

// C++ default constructor

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

//

CXnBitmapAdapter::CXnBitmapAdapter(CXnNodePluginIf& aNode) : iNode( aNode )    

    {

    }

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

// CXnBitmapAdapter::~CXnBitmapAdapter

// C++ destructor

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

//

CXnBitmapAdapter::~CXnBitmapAdapter()

    {

    delete iDecoder;

    delete iPath;

    delete iFallbackPath;

    }

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

// CXnBitmapAdapter::SetContentBitmaps

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

//

void CXnBitmapAdapter::SetContentBitmaps(CFbsBitmap* aBitmap, CFbsBitmap* aMask)

    {

    iDecoder->Cancel();

    CXnControlAdapter::SetContentBitmaps( aBitmap, aMask );

    iAreBitmapsSet = ETrue;

    TRAP_IGNORE( iNode.SetDirtyL() );

    }   

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

// CXnBitmapAdapter::SetContentBitmaps

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

//

void CXnBitmapAdapter::SetContentBitmaps( TFileName& aFilename )

    {       

    TRAPD( err, iDecoder->DecodeL( aFilename ) );

    if ( err )

        {

        SetContentBitmaps( NULL, NULL );

        }

    }

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

// CXnBitmapAdapter::ContentBitmaps

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

//

void CXnBitmapAdapter::ContentBitmaps(CFbsBitmap*& aBitmap, CFbsBitmap*& aMask)

    {    

    CXnControlAdapter::ContentBitmaps( aBitmap, aMask );

    }

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

// CXnBitmapAdapter::SizeChanged

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

//

void CXnBitmapAdapter::SizeChanged()

    {

    CXnControlAdapter::SizeChanged();

    if ( !iAreBitmapsSet )

        {

        TSize size( Rect().Size() );

        if( size != iBitmapSize )

            {            

            iBitmapSize = size;

            iAreBitmapsLoaded = EFalse;

            TRAP_IGNORE( InitializeBitmapsL() );

            }

        }

    }

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

// CXnBitmapAdapter::HandlePropertyChangeL

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

//

void CXnBitmapAdapter::DoHandlePropertyChangeL( CXnProperty* aProperty )

    {

    TBool reConstruct( ETrue );

    if( aProperty )

        {

        const TDesC8& name( aProperty->Property()->Name( ) );

        //If display changed no need to reconstruct

        if( name == XnPropertyNames::style::common::KDisplay( ) )

            {

            reConstruct = EFalse;

            }        

        // Visibility changed, no need to do anything.

        else if( name == XnPropertyNames::style::common::KVisibility( ) )

            {

            return;

            }

        else if( name == XnPropertyNames::appearance::common::KFallBackImage )

            {

            HBufC* fallbackPath( aProperty->StringValueL( ) );

            if( fallbackPath )

                {

                CleanupStack::PushL( fallbackPath );

                if( iFallbackPath )

                    {

                    if( ( *fallbackPath ).Compare( *iFallbackPath ) )

                        {

                        delete iFallbackPath;

                        iFallbackPath = NULL;

                        iFallbackPath = fallbackPath->AllocL( );

                        iFallbackPathChange = ETrue;

                        }

                    }

                else

                    {

                    iFallbackPath = fallbackPath->AllocL( );

                    iFallbackPathChange = ETrue;

                    }

                CleanupStack::PopAndDestroy( fallbackPath );

                }

            }

        }

    //If data API has been used don't load new bitmaps.

    if( !iAreBitmapsSet && reConstruct )

        {

        InitializeBitmapsL();

        }

    }

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

// CXnBitmapAdapter::SkinChanged

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

//

void CXnBitmapAdapter::SkinChanged()

    {

    CXnControlAdapter::SkinChanged();

    if( iPath )

        {

        TInt pos( iPath->FindF( KSkin ) );

        if( pos != KErrNotFound )

            {

            iBitmapSize = Rect().Size();

            iAreBitmapsLoaded = EFalse;

            TRAP_IGNORE( InitializeBitmapsL() );

            }

        }

    }

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

// CXnBitmapAdapter::InitializeBitmapsL

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

//

void CXnBitmapAdapter::InitializeBitmapsL( )

    {

    TBool pathChanged( EFalse );

    CXnProperty* pathProperty( iNode.PathL( ) );

    CXnProperty* maskPathProperty( iNode.MaskPathL( ) );

    if ( !pathProperty )

        {

        return;

        }

    HBufC* path( pathProperty->StringValueL( ) );

    if( !path )

        {

        return;

        }

    CleanupStack::PushL( path );

    HBufC* maskPath( NULL );

    if( maskPathProperty )

        {

        maskPath = maskPathProperty->StringValueL( );

        }

    CleanupStack::PushL( maskPath );

    if( !iPath )

        {

        iPath = path->AllocL( );

        }

    if( path->Des( ) != iPath->Des( ) )

        {

        pathChanged = ETrue;

        }

    if( !iAreBitmapsLoaded || pathChanged || iFallbackPathChange )

        {

        delete iPath;

        iPath = NULL;

        iPath = path->AllocL( );

        CXnControlAdapter::SetContentBitmaps( *path, ( maskPath )

                                                ? maskPath->Des( ) : KNullDesC() );

        iAreBitmapsLoaded = ETrue;

        iFallbackPathChange = EFalse;

        iNode.SetDirtyL();

        }

    CleanupStack::PopAndDestroy( 2, path );

    }

// End of File