/**************************************************************
 * 
 * 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_svx.hxx"
#include <svx/sdr/contact/viewcontactofgroup.hxx>
#include <svx/svdogrp.hxx>
#include <svx/svdpage.hxx>
#include <svx/sdr/contact/viewobjectcontact.hxx>
#include <svx/sdr/contact/viewobjectcontactofgroup.hxx>
#include <basegfx/polygon/b2dpolygon.hxx>
#include <basegfx/polygon/b2dpolygontools.hxx>
#include <basegfx/color/bcolor.hxx>
#include <drawinglayer/primitive2d/polygonprimitive2d.hxx>
#include <drawinglayer/primitive2d/sdrdecompositiontools2d.hxx>

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

namespace sdr
{
	namespace contact
	{
		// Create a Object-Specific ViewObjectContact, set ViewContact and
		// ObjectContact. Always needs to return something.
		ViewObjectContact& ViewContactOfGroup::CreateObjectSpecificViewObjectContact(ObjectContact& rObjectContact)
		{
			ViewObjectContact* pRetval = new ViewObjectContactOfGroup(rObjectContact, *this);
			DBG_ASSERT(pRetval, "ViewContactOfGroup::CreateObjectSpecificViewObjectContact() failed (!)");

			return *pRetval;
		}

		ViewContactOfGroup::ViewContactOfGroup(SdrObjGroup& rGroup)
		:	ViewContactOfSdrObj(rGroup)
		{
		}

		ViewContactOfGroup::~ViewContactOfGroup()
		{
		}

		drawinglayer::primitive2d::Primitive2DSequence ViewContactOfGroup::createViewIndependentPrimitive2DSequence() const
		{
			drawinglayer::primitive2d::Primitive2DSequence xRetval;
			const sal_uInt32 nObjectCount(GetObjectCount());

			if(nObjectCount)
			{
				// collect all sub-primitives
				for(sal_uInt32 a(0); a < nObjectCount; a++)
				{
					const ViewContact& rCandidate(GetViewContact(a));
					const drawinglayer::primitive2d::Primitive2DSequence aCandSeq(rCandidate.getViewIndependentPrimitive2DSequence());
                    
					drawinglayer::primitive2d::appendPrimitive2DSequenceToPrimitive2DSequence(xRetval, aCandSeq);
				}
			}
			else
			{
				// append an invisible outline for the cases where no visible content exists
				const Rectangle aCurrentBoundRect(GetSdrObjGroup().GetLastBoundRect());
				const basegfx::B2DRange aCurrentRange(
					aCurrentBoundRect.Left(), aCurrentBoundRect.Top(), 
					aCurrentBoundRect.Right(), aCurrentBoundRect.Bottom());
				
				const drawinglayer::primitive2d::Primitive2DReference xReference(
					drawinglayer::primitive2d::createHiddenGeometryPrimitives2D(
						false, aCurrentRange));

				xRetval = drawinglayer::primitive2d::Primitive2DSequence(&xReference, 1);
			}

            return xRetval;
		}
	} // end of namespace contact
} // end of namespace sdr

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