svgtopt/SVG/SVGImpl/src/SVGMpathElementImpl.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 07 Jan 2010 16:19:02 +0200
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/*
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* Copyright (c) 2003 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  SVG Implementation source file
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 *
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*/
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#if !defined(__E32BASE_H__)
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#include <e32base.h>
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#endif
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#include "SVGMpathElementImpl.h"
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#include "GfxGeneralPath.h"
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#include "SVGDocumentImpl.h"
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#include "SVGSchemaData.h"
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_LIT( XLINKHREF, "xlink:href" );
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// ---------------------------------------------------------------------------
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// Two phase construction
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// ---------------------------------------------------------------------------
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CSvgMpathElementImpl* CSvgMpathElementImpl::NewL(  const TUint8 aElemID,
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                                                  CSvgDocumentImpl* aDoc )
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    {
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    CSvgMpathElementImpl*   self    = new ( ELeave )
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                                      CSvgMpathElementImpl( aDoc );
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    CleanupStack::PushL( self );
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    self->ConstructL(  aElemID );
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    CleanupStack::Pop();
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    return self;
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    }
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// ---------------------------------------------------------------------------
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//
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// ---------------------------------------------------------------------------
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CSvgMpathElementImpl* CSvgMpathElementImpl::NewLC(  const TUint8 aElemID,
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                                                   CSvgDocumentImpl* aDoc )
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    {
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    CSvgMpathElementImpl*   self    = new ( ELeave )
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                                      CSvgMpathElementImpl( aDoc );
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    CleanupStack::PushL( self );
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    self->ConstructL( aElemID );
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    return self;
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    }
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// ---------------------------------------------------------------------------
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//
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// ---------------------------------------------------------------------------
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CSvgMpathElementImpl::~CSvgMpathElementImpl()
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    {
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    if ( iSvgUriReferenceImpl )
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        {
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        delete iSvgUriReferenceImpl;
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        iSvgUriReferenceImpl = NULL;
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        }
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    if ( iParsedHref )
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    {
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    	delete iParsedHref;
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    	iParsedHref = NULL;
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    }
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    }
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// *******************************************************
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// From MXmlElement
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// ---------------------------------------------------------------------------
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//
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// ---------------------------------------------------------------------------
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TInt CSvgMpathElementImpl::SetAttributeL( const TDesC& aName,
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                                          const TDesC& aValue )
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    {
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    if ( this->SetXlinkAttributeL( aName, aValue ) )
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        {
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        // Get the path from the xlink
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        TBuf<10>    lTmpXlink( XLINKHREF );
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        if ( aName == lTmpXlink )
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            {
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            if( iReqAttrFlag == KAtrXlinkhref)
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                {
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                iReqAttrFlag =0;
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                }
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            CSvgElementImpl*targetEl    = NULL;
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            TInt            pos         = KErrNotFound;
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            // If the first char is '#' then remove it
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            // This is possible if coming from cXML parser and not CVG Decoder
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            pos = aValue.Locate( '#' );
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            if ( pos != KErrNotFound && pos == 0 )
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                {
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                iParsedHref = HBufC::NewL( aValue.Length() );
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                TPtr    tPtr    = iParsedHref->Des();
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                tPtr.Copy( aValue );
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                tPtr.Delete( pos, 1 );
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                targetEl = ( CSvgElementImpl * ) ((CSvgDocumentImpl*)iOwnerDocument)->GetElementById( tPtr );
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                }
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            else
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                {
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                return pos;
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                }
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   119
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			if (targetEl)
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			{
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            	targetEl->GetAttributePath( KAtrData, iShape );
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			}
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			else
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			{
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				iNeedTarget = ETrue;
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			}
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            if ( iShape )
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                {
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                CSvgElementImpl*parentEl    = ( CSvgElementImpl* )
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                                              ParentNode();
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                if ( parentEl )
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                    {
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                    parentEl->SetAttributePathL( KAtrData, iShape );
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                    }
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                }
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            }
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        return KErrNone;
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        }
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   142
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   143
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    CSvgElementImpl::SetAttributeL(aName,aValue);
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    return KErrNone;
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    }
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// From MXmlElementOpt
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// ---------------------------------------------------------------------------
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//
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// ---------------------------------------------------------------------------
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TInt CSvgMpathElementImpl::GetAttributePath( const TInt aNameId,
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                                             CGfxGeneralPath*& aValue )
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    {
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    if ( aNameId == KAtrData )
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        {
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        aValue = iShape;
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        }
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    else
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        {
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        aValue = NULL;
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        return KErrNoAttribute;
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   165
        }
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    return KErrNone;
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    }
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// ---------------------------------------------------------------------------
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//
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// ---------------------------------------------------------------------------
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TInt CSvgMpathElementImpl::SetAttributePathL( const TInt aNameId,
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                                              CGfxGeneralPath* /* aValue */ )
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    {
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    if ( aNameId == KAtrData )
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        {
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   178
        }
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   179
    else
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        {
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        return KErrNoAttribute;
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   182
        }
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   183
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   184
    return KErrNone;
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   185
    }
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   186
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// ---------------------------------------------------------------------------
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//
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// ---------------------------------------------------------------------------
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TBool CSvgMpathElementImpl::DrawL( CGfx2dGc* /*aGc*/, CSvgElementImpl* /*aElement*/ )
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   191
    {
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   192
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   193
    return EFalse;
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diff changeset
   194
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   195
    /*
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   196
    if (iNeedTarget)
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   197
    {
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   198
    	CSvgElementImpl* targetEl = NULL;
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   199
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   200
    	iNeedTarget = EFalse;
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   201
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   202
    	if ( iParsedHref && iParsedHref->Length() > 0)
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parents:
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   203
    	{
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        	TPtr    tPtr    = iParsedHref->Des();
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   205
        	targetEl = ( CSvgElementImpl * ) ((CSvgDocumentImpl*)iOwnerDocument)->GetElementById( tPtr );
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parents:
diff changeset
   206
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   207
			if (targetEl)
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   208
			{
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   209
           		targetEl->GetAttributePath( KAtrData, iShape );
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   210
			}
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   211
			else
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   212
			{
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   213
				iNeedTarget = ETrue;
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   214
			}
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   215
		}
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parents:
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   216
    }
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parents:
diff changeset
   217
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   218
    this->DrawShapeL( aGc, *iShape, aElement );
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   219
    return EFalse;
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   220
    */
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parents:
diff changeset
   221
    }
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parents:
diff changeset
   222
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   223
// ---------------------------------------------------------------------------
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   224
//
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   225
// ---------------------------------------------------------------------------
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   226
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   227
void CSvgMpathElementImpl::ConstructL(  const TUint8 aElemID )
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    {
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   229
    CSvgElementImpl::InitializeL(  aElemID );
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parents:
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   230
    iReqAttrFlag = KAtrXlinkhref;
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parents:
diff changeset
   231
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   232
    iSvgUriReferenceImpl = CSvgUriReferenceImpl::NewL();
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    iParsedHref = NULL;
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    iNeedTarget = EFalse;
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    }
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// ---------------------------------------------------------------------------
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//
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// ---------------------------------------------------------------------------
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CSvgMpathElementImpl::CSvgMpathElementImpl( CSvgDocumentImpl* aDoc )
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    {
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    SetOwnerDocument(aDoc);
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    }
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// ---------------------------------------------------------------------------
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// perform a deep clone of this object
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// ---------------------------------------------------------------------------
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MXmlElement* CSvgMpathElementImpl::CloneL(MXmlElement* aParentElement)
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    {
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    // create new polyline
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    CSvgMpathElementImpl* newElement = CSvgMpathElementImpl::NewL(  this->ElemID(), ((CSvgDocumentImpl*)iOwnerDocument) );
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    CleanupStack::PushL(newElement);
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    newElement->iParentNode = aParentElement;
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    // copy everything over
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    this->CopyL(newElement);
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    CleanupStack::Pop();
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    return newElement;
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    }
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// ---------------------------------------------------------------------------
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// perform a deep copy of this object
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// ---------------------------------------------------------------------------
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void CSvgMpathElementImpl::CopyL( CSvgMpathElementImpl* aDestElement )
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    {
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    if(aDestElement)
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		{
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	    // copy stuff from superclass
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	    this->CSvgElementImpl::CopyL(aDestElement);
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        // copy iShape
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        aDestElement->iShape->SetPointTypeArrayL( iShape->PointTypeArray() );
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        aDestElement->iShape->SetPointCoordsArrayL( iShape->PointCoordsArrayAll() );
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        // copy the reference to idoc (CSvgDocumentImpl)
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	    aDestElement->iOwnerDocument = this->iOwnerDocument;
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		}
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    }
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// ---------------------------------------------------------------------------
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// perform a deep copy of this object
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// ---------------------------------------------------------------------------
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void CSvgMpathElementImpl::SetAttributePathByIdL(const TDesC& aId)
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    {
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    CSvgElementImpl*targetEl    = NULL;
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    targetEl = ( CSvgElementImpl * ) ((CSvgDocumentImpl*)iOwnerDocument)->GetElementById( aId );
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    targetEl->GetAttributePath( KAtrData, iShape );
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    if ( iShape )
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        {
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        CSvgElementImpl*parentEl    = ( CSvgElementImpl* )
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                                       ParentNode();
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        if ( parentEl )
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           {
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            parentEl->SetAttributePathL( KAtrData, iShape );
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           }
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        }
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    }
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void CSvgMpathElementImpl::Print( TBool aIsEncodeOn )
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{
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	if (!aIsEncodeOn)
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	{
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	#ifdef _DEBUG
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	RDebug::Printf("<mpath xlink:href=\"hmm\">"/*, Href()*/);
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	#endif
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	}
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}