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 *
 * 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/drawingml/themeelementscontext.hxx"
#include "oox/drawingml/clrschemecontext.hxx"
#include "oox/drawingml/lineproperties.hxx"
#include "oox/drawingml/linepropertiescontext.hxx"
#include "oox/drawingml/fillproperties.hxx"
#include "oox/drawingml/fillpropertiesgroupcontext.hxx"
#include "oox/drawingml/theme.hxx"
#include "oox/helper/attributelist.hxx"

using ::rtl::OUString;
using namespace ::oox::core;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::xml::sax;

namespace oox {
namespace drawingml {

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

class FillStyleListContext : public ContextHandler
{
public:
    FillStyleListContext( ContextHandler& rParent, FillStyleList& rFillStyleList );
    virtual Reference< XFastContextHandler > SAL_CALL createFastChildContext( sal_Int32 nElement, const Reference< XFastAttributeList >& Attribs ) throw (SAXException, RuntimeException);

private:
    FillStyleList& mrFillStyleList;
};

FillStyleListContext::FillStyleListContext( ContextHandler& rParent, FillStyleList& rFillStyleList ) :
    ContextHandler( rParent ),
    mrFillStyleList( rFillStyleList )
{
}

Reference< XFastContextHandler > FillStyleListContext::createFastChildContext( sal_Int32 nElement, const Reference< XFastAttributeList >& xAttribs )
	throw (SAXException, RuntimeException)
{
    switch( nElement )
	{
		case A_TOKEN( noFill ):
		case A_TOKEN( solidFill ):
		case A_TOKEN( gradFill ):
		case A_TOKEN( blipFill ):
		case A_TOKEN( pattFill ):
		case A_TOKEN( grpFill ):
            mrFillStyleList.push_back( FillPropertiesPtr( new FillProperties ) );
            return FillPropertiesContext::createFillContext( *this, nElement, xAttribs, *mrFillStyleList.back() );
	}
    return 0;
}

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

class LineStyleListContext : public ContextHandler
{
public:
    LineStyleListContext( ContextHandler& rParent, LineStyleList& rLineStyleList );
    virtual Reference< XFastContextHandler > SAL_CALL createFastChildContext( sal_Int32 nElement, const Reference< XFastAttributeList >& Attribs ) throw (SAXException, RuntimeException);

private:
    LineStyleList& mrLineStyleList;
};

LineStyleListContext::LineStyleListContext( ContextHandler& rParent, LineStyleList& rLineStyleList ) :
    ContextHandler( rParent ),
    mrLineStyleList( rLineStyleList )
{
}

Reference< XFastContextHandler > LineStyleListContext::createFastChildContext( sal_Int32 nElement, const Reference< XFastAttributeList >& xAttribs )
	throw (SAXException, RuntimeException)
{
    switch( nElement )
	{
		case A_TOKEN( ln ):
            mrLineStyleList.push_back( LinePropertiesPtr( new LineProperties ) );
            return new LinePropertiesContext( *this, xAttribs, *mrLineStyleList.back() );
	}
    return 0;
}

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

class EffectStyleListContext : public ContextHandler
{
public:
    EffectStyleListContext( ContextHandler& rParent, EffectStyleList& rEffectStyleList );
    virtual Reference< XFastContextHandler > SAL_CALL createFastChildContext( sal_Int32 nElement, const Reference< XFastAttributeList >& Attribs ) throw (SAXException, RuntimeException);

private:
    EffectStyleList& mrEffectStyleList;
};

EffectStyleListContext::EffectStyleListContext( ContextHandler& rParent, EffectStyleList& rEffectStyleList ) :
    ContextHandler( rParent ),
    mrEffectStyleList( rEffectStyleList )
{
}

Reference< XFastContextHandler > EffectStyleListContext::createFastChildContext( sal_Int32 nElement, const Reference< XFastAttributeList >& /*xAttribs*/ ) throw (SAXException, RuntimeException)
{
    switch( nElement )
	{
		case A_TOKEN( effectStyle ):
            mrEffectStyleList.push_back( EffectStyleList::value_type( new PropertyMap ) );
            // TODO: import effect styles
            return 0;
	}
    return 0;
}

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

class FontSchemeContext : public ContextHandler
{
public:
    FontSchemeContext( ContextHandler& rParent, FontScheme& rFontScheme );
    virtual Reference< XFastContextHandler > SAL_CALL createFastChildContext( sal_Int32 nElement, const Reference< XFastAttributeList >& Attribs ) throw (SAXException, RuntimeException);
    virtual void SAL_CALL endFastElement( sal_Int32 nElement ) throw (SAXException, RuntimeException);

private:
    FontScheme& mrFontScheme;
    TextCharacterPropertiesPtr mxCharProps;
};

FontSchemeContext::FontSchemeContext( ContextHandler& rParent, FontScheme& rFontScheme ) :
    ContextHandler( rParent ),
    mrFontScheme( rFontScheme )
{
}

Reference< XFastContextHandler > FontSchemeContext::createFastChildContext( sal_Int32 nElement, const Reference< XFastAttributeList >& rxAttribs )
    throw (SAXException, RuntimeException)
{
    AttributeList aAttribs( rxAttribs );
    switch( nElement )
    {
        case A_TOKEN( majorFont ):
            mxCharProps.reset( new TextCharacterProperties );
            mrFontScheme[ XML_major ] = mxCharProps;
            return this;
        case A_TOKEN( minorFont ):
            mxCharProps.reset( new TextCharacterProperties );
            mrFontScheme[ XML_minor ] = mxCharProps;
            return this;

        case A_TOKEN( latin ):
            if( mxCharProps.get() )
                mxCharProps->maLatinFont.setAttributes( aAttribs );
        break;
        case A_TOKEN( ea ):
            if( mxCharProps.get() )
                mxCharProps->maAsianFont.setAttributes( aAttribs );
        break;
        case A_TOKEN( cs ):
            if( mxCharProps.get() )
                mxCharProps->maComplexFont.setAttributes( aAttribs );
        break;
    }
    return 0;
}

void FontSchemeContext::endFastElement( sal_Int32 nElement ) throw (SAXException, RuntimeException)
{
    switch( nElement )
    {
        case A_TOKEN( majorFont ):
        case A_TOKEN( minorFont ):
            mxCharProps.reset();
        break;
    }
}

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

ThemeElementsContext::ThemeElementsContext( ContextHandler& rParent, Theme& rTheme ) :
    ContextHandler( rParent ),
    mrTheme( rTheme )
{
}

Reference< XFastContextHandler > ThemeElementsContext::createFastChildContext( sal_Int32 nElement, const Reference< XFastAttributeList >& xAttribs ) throw (SAXException, RuntimeException)
{
	// CT_BaseStyles
	Reference< XFastContextHandler > xRet;
    switch( nElement )
	{
		case A_TOKEN( clrScheme ):	// CT_ColorScheme
            return new clrSchemeContext( *this, mrTheme.getClrScheme() );
		case A_TOKEN( fontScheme ):	// CT_FontScheme
            return new FontSchemeContext( *this, mrTheme.getFontScheme() );

        case A_TOKEN( fmtScheme ):  // CT_StyleMatrix
            mrTheme.setStyleName( xAttribs->getOptionalValue( XML_name ) );
            return this;

        case A_TOKEN( fillStyleLst ):   // CT_FillStyleList
            return new FillStyleListContext( *this, mrTheme.getFillStyleList() );
        case A_TOKEN( lnStyleLst ):    // CT_LineStyleList
            return new LineStyleListContext( *this, mrTheme.getLineStyleList() );
        case A_TOKEN( effectStyleLst ): // CT_EffectStyleList
            return new EffectStyleListContext( *this, mrTheme.getEffectStyleList() );
        case A_TOKEN( bgFillStyleLst ): // CT_BackgroundFillStyleList
            return new FillStyleListContext( *this, mrTheme.getBgFillStyleList() );
	}
    return 0;
}

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

} // namespace drawingml
} // namespace oox