/**************************************************************
 * 
 * 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
 * under the License.
 * 
 *************************************************************/

// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_drawinglayer.hxx"

#include <drawinglayer/attribute/sdrsceneattribute3d.hxx>

//////////////////////////////////////////////////////////////////////////////

namespace drawinglayer
{
	namespace attribute
	{
		class ImpSdrSceneAttribute
		{
		public:
			// refcounter
			sal_uInt32								mnRefCount;

			// 3D scene attribute definitions
			double										mfDistance;
			double										mfShadowSlant;
			::com::sun::star::drawing::ProjectionMode	maProjectionMode;
			::com::sun::star::drawing::ShadeMode		maShadeMode;

			// bitfield
			unsigned									mbTwoSidedLighting : 1;

		public:
			ImpSdrSceneAttribute(
				double fDistance,
				double fShadowSlant,
				::com::sun::star::drawing::ProjectionMode aProjectionMode,
				::com::sun::star::drawing::ShadeMode aShadeMode,
				bool bTwoSidedLighting)
			:	mnRefCount(0),
		    	mfDistance(fDistance),
			    mfShadowSlant(fShadowSlant),
			    maProjectionMode(aProjectionMode),
			    maShadeMode(aShadeMode),
			    mbTwoSidedLighting(bTwoSidedLighting)
		    {
		    }

			// data read access
			double getDistance() const { return mfDistance; }
			double getShadowSlant() const { return mfShadowSlant; }
			::com::sun::star::drawing::ProjectionMode getProjectionMode() const { return maProjectionMode; }
			::com::sun::star::drawing::ShadeMode getShadeMode() const { return maShadeMode; }
			bool getTwoSidedLighting() const { return mbTwoSidedLighting; }

			bool operator==(const ImpSdrSceneAttribute& rCandidate) const
		    {
			    return (getDistance() == rCandidate.getDistance()
				    && getShadowSlant() == rCandidate.getShadowSlant()
				    && getProjectionMode() == rCandidate.getProjectionMode()
				    && getShadeMode() == rCandidate.getShadeMode()
				    && getTwoSidedLighting() == rCandidate.getTwoSidedLighting());
		    }

            static ImpSdrSceneAttribute* get_global_default()
            {
                static ImpSdrSceneAttribute* pDefault = 0;

                if(!pDefault)
                {
                    pDefault = new ImpSdrSceneAttribute(
			            0.0, 0.0,
			            ::com::sun::star::drawing::ProjectionMode_PARALLEL,
			            ::com::sun::star::drawing::ShadeMode_FLAT,
			            false);

                    // never delete; start with RefCount 1, not 0
    			    pDefault->mnRefCount++;
                }

                return pDefault;
            }
		};

        SdrSceneAttribute::SdrSceneAttribute(
			double fDistance,
			double fShadowSlant,
			::com::sun::star::drawing::ProjectionMode aProjectionMode,
			::com::sun::star::drawing::ShadeMode aShadeMode,
			bool bTwoSidedLighting)
		:	mpSdrSceneAttribute(new ImpSdrSceneAttribute(
                fDistance, fShadowSlant, aProjectionMode, aShadeMode, bTwoSidedLighting))
		{
		}

		SdrSceneAttribute::SdrSceneAttribute()
        :	mpSdrSceneAttribute(ImpSdrSceneAttribute::get_global_default())
		{
			mpSdrSceneAttribute->mnRefCount++;
		}

        SdrSceneAttribute::SdrSceneAttribute(const SdrSceneAttribute& rCandidate)
		:	mpSdrSceneAttribute(rCandidate.mpSdrSceneAttribute)
		{
			mpSdrSceneAttribute->mnRefCount++;
		}

		SdrSceneAttribute::~SdrSceneAttribute()
		{
			if(mpSdrSceneAttribute->mnRefCount)
			{
				mpSdrSceneAttribute->mnRefCount--;
			}
			else
			{
				delete mpSdrSceneAttribute;
			}
		}

        bool SdrSceneAttribute::isDefault() const
        {
            return mpSdrSceneAttribute == ImpSdrSceneAttribute::get_global_default();
        }

        SdrSceneAttribute& SdrSceneAttribute::operator=(const SdrSceneAttribute& rCandidate)
		{
			if(rCandidate.mpSdrSceneAttribute != mpSdrSceneAttribute)
			{
				if(mpSdrSceneAttribute->mnRefCount)
				{
					mpSdrSceneAttribute->mnRefCount--;
				}
				else
				{
					delete mpSdrSceneAttribute;
				}
				
				mpSdrSceneAttribute = rCandidate.mpSdrSceneAttribute;
				mpSdrSceneAttribute->mnRefCount++;
			}

			return *this;
		}

		bool SdrSceneAttribute::operator==(const SdrSceneAttribute& rCandidate) const
		{
			if(rCandidate.mpSdrSceneAttribute == mpSdrSceneAttribute)
			{
				return true;
			}

			if(rCandidate.isDefault() != isDefault())
			{
				return false;
			}

			return (*rCandidate.mpSdrSceneAttribute == *mpSdrSceneAttribute);
		}

		double SdrSceneAttribute::getDistance() const 
        { 
            return mpSdrSceneAttribute->getDistance(); 
        }

		double SdrSceneAttribute::getShadowSlant() const 
        { 
            return mpSdrSceneAttribute->getShadowSlant(); 
        }

		::com::sun::star::drawing::ProjectionMode SdrSceneAttribute::getProjectionMode() const 
        { 
            return mpSdrSceneAttribute->getProjectionMode(); 
        }

		::com::sun::star::drawing::ShadeMode SdrSceneAttribute::getShadeMode() const 
        { 
            return mpSdrSceneAttribute->getShadeMode(); 
        }

		bool SdrSceneAttribute::getTwoSidedLighting() const 
        { 
            return mpSdrSceneAttribute->getTwoSidedLighting(); 
        }

    } // end of namespace attribute
} // end of namespace drawinglayer

//////////////////////////////////////////////////////////////////////////////
// eof