/**************************************************************
 *
 * 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/properties/itemsettools.hxx>
#include <tools/debug.hxx>
#include <svl/itemset.hxx>
#include <svl/whiter.hxx>
#include <svx/svdogrp.hxx>
#include <svx/svditer.hxx>
#include <vcl/region.hxx>

//////////////////////////////////////////////////////////////////////////////
// class to remember broadcast start positions

namespace sdr
{
	namespace properties
	{
		ItemChangeBroadcaster::ItemChangeBroadcaster(const SdrObject& rObj)
		{
			if(rObj.ISA(SdrObjGroup))
			{
				SdrObjListIter aIter((const SdrObjGroup&)rObj, IM_DEEPNOGROUPS);
				mpData = new RectangleVector;
				DBG_ASSERT(mpData, "ItemChangeBroadcaster: No memory (!)");
				((RectangleVector*)mpData)->reserve(aIter.Count());

				while(aIter.IsMore())
				{
					SdrObject* pObj = aIter.Next();

					if(pObj)
					{
						((RectangleVector*)mpData)->push_back(pObj->GetLastBoundRect());
					}
				}

				mnCount = ((RectangleVector*)mpData)->size();
			}
			else
			{
				mpData = new Rectangle(rObj.GetLastBoundRect());
				mnCount = 1L;
			}
		}

		ItemChangeBroadcaster::~ItemChangeBroadcaster()
		{
			if(mnCount > 1)
			{
				delete ((RectangleVector*)mpData);
			}
			else
			{
				delete ((Rectangle*)mpData);
			}
		}

		sal_uInt32 ItemChangeBroadcaster::GetRectangleCount() const
		{
			return mnCount;
		}

		const Rectangle& ItemChangeBroadcaster::GetRectangle(sal_uInt32 nIndex) const
		{
			if(mnCount > 1)
			{
				return (*((RectangleVector*)mpData))[nIndex];
			}
			else
			{
				return *((Rectangle*)mpData);
			}
		}
	} // end of namespace properties
} // end of namespace sdr

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

namespace sdr
{
	namespace properties
	{
		void ScaleItemSet(SfxItemSet& rSet, const Fraction& rScale)
		{
			sal_Int32 nMul(rScale.GetNumerator());
			sal_Int32 nDiv(rScale.GetDenominator());

			if(!rScale.IsValid() || !nDiv)
			{
				return;
			}

			SfxWhichIter aIter(rSet);
			sal_uInt16 nWhich(aIter.FirstWhich());
			const SfxPoolItem *pItem = NULL;

			while(nWhich)
			{
				if(SFX_ITEM_SET == rSet.GetItemState(nWhich, sal_False, &pItem))
				{
					if(pItem->HasMetrics())
					{
						SfxPoolItem* pNewItem = pItem->Clone();
						pNewItem->ScaleMetrics(nMul, nDiv);
						rSet.Put(*pNewItem);
					}
				}
				nWhich = aIter.NextWhich();
			}
		}
	} // end of namespace properties
} // end of namespace sdr

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