/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
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#include "oox/vml/vmldrawingfragment.hxx"

#include "oox/core/xmlfilterbase.hxx"
#include "oox/vml/vmldrawing.hxx"
#include "oox/vml/vmlinputstream.hxx"
#include "oox/vml/vmlshapecontext.hxx"

namespace oox {
namespace vml {

// ============================================================================

using namespace ::com::sun::star::io;
using namespace ::com::sun::star::uno;
using namespace ::oox::core;

using ::rtl::OUString;

// ============================================================================

DrawingFragment::DrawingFragment( XmlFilterBase& rFilter, const OUString& rFragmentPath, Drawing& rDrawing ) :
    FragmentHandler2( rFilter, rFragmentPath, false ),  // do not trim whitespace, has been preprocessed by the input stream
    mrDrawing( rDrawing )
{
}

Reference< XInputStream > DrawingFragment::openFragmentStream() const
{
    // #i104719# create an input stream that preprocesses the VML data
    return new InputStream( getFilter().getComponentContext(), FragmentHandler2::openFragmentStream() );
}

ContextHandlerRef DrawingFragment::onCreateContext( sal_Int32 nElement, const AttributeList& rAttribs )
{
    switch( mrDrawing.getType() )
    {
        // DOCX filter handles plain shape elements with this fragment handler
        case VMLDRAWING_WORD:
            if( isRootElement() )
                return ShapeContextBase::createShapeContext( *this, mrDrawing.getShapes(), nElement, rAttribs );
        break;

        // XLSX and PPTX filters load the entire VML fragment
        case VMLDRAWING_EXCEL:
        case VMLDRAWING_POWERPOINT:
            switch( getCurrentElement() )
            {
                case XML_ROOT_CONTEXT:
                    if( nElement == XML_xml ) return this;
                break;
                case XML_xml:
                    return ShapeContextBase::createShapeContext( *this, mrDrawing.getShapes(), nElement, rAttribs );
            }
        break;
    }
    return 0;
}

void DrawingFragment::finalizeImport()
{
    // resolve shape template references for all shapes
    mrDrawing.finalizeFragmentImport();
}

// ============================================================================

} // namespace vml
} // namespace oox