/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 * 
 * Copyright 2008 by Sun Microsystems, Inc.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * $RCSfile: svdviter.cxx,v $
 * $Revision: 1.10 $
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
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 ************************************************************************/

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

#include "svdviter.hxx"
#include <svx/svdobj.hxx>
#include <svx/svdpage.hxx>
#include <svx/svdmodel.hxx>
#include <svx/svdview.hxx>
#include <svx/svdpagv.hxx>
#include <svx/svdsob.hxx>
#include <svtools/brdcst.hxx>
#include <sdrpaintwindow.hxx>

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

void SdrViewIter::ImpInitVars()
{
	mnListenerNum = 0L;
	mnPageViewNum = 0L;
	mnOutDevNum = 0L;
	mpAktView = 0L;
}

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

SdrViewIter::SdrViewIter(const SdrModel* pModel)
{
	mpModel = pModel;
	mpPage = 0L;
	mpObject = 0L;
	ImpInitVars();
}

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

SdrViewIter::SdrViewIter(const SdrPage* pPage, sal_Bool bNoMasterPage)
{
	mpPage = pPage;
	mpModel = (pPage) ? pPage->GetModel() : 0L;
	mpObject = 0L;
	mbNoMasterPage = bNoMasterPage;
	ImpInitVars();
}

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

SdrViewIter::SdrViewIter(const SdrObject* pObject, sal_Bool bNoMasterPage)
{
	mpObject = pObject;
	mpModel = (pObject) ? pObject->GetModel() : 0L;
	mpPage = (pObject) ? pObject->GetPage() : 0L;
	mbNoMasterPage = bNoMasterPage;

	if(!mpModel || !mpPage) 
	{
		mpModel = 0L;
		mpPage = 0L;
	}

	ImpInitVars();
}

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

sal_Bool SdrViewIter::ImpCheckPageView(SdrPageView* pPV) const
{
	if(mpPage) 
	{
		sal_Bool bMaster(mpPage->IsMasterPage());
		SdrPage* pPg = pPV->GetPage();

		if(pPg == mpPage) 
		{
			if(mpObject) 
			{
				// Objekt gewuenscht? Na dann erstmal sehen, ob
				// das Obj in dieser PageView auch sichtbar ist.
				SetOfByte aObjLay;
				mpObject->getMergedHierarchyLayerSet(aObjLay);
				aObjLay &= pPV->GetVisibleLayers();
				return !aObjLay.IsEmpty();
			} 
			else 
			{
				return sal_True;
			}
		} 
		else 
		{
			if(!mbNoMasterPage && bMaster && (!mpObject || !mpObject->IsNotVisibleAsMaster())) 
			{
				if(pPg->TRG_HasMasterPage())
				{
					SdrPage& rMasterPage = pPg->TRG_GetMasterPage();

					if(&rMasterPage == mpPage)
					{
						// Aha, die gewuenschte Page ist also MasterPage in dieser PageView
						if(mpObject) 
						{
							// Objekt gewuenscht? Na dann erstmal sehen, ob
							// das Obj in dieser PageView auch sichtbar ist.
							SetOfByte aObjLay;
							mpObject->getMergedHierarchyLayerSet(aObjLay);
							aObjLay &= pPV->GetVisibleLayers();
							aObjLay &= pPg->TRG_GetMasterPageVisibleLayers();

							if(!aObjLay.IsEmpty()) 
							{
								return TRUE;
							} // ansonsten die naechste MasterPage der Page ansehen...
						} 
						else 
						{
							return sal_True;
						}
					}
				}
			}

			// MasterPage nicht erlaubt oder keine passende gefunden
			return sal_False;
		}
	} 
	else 
	{
		return sal_True;
	}
}

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

SdrView* SdrViewIter::ImpFindView()
{
	if(mpModel) 
	{
		sal_uInt32 nLsAnz(mpModel->GetListenerCount());
		
		while(mnListenerNum < nLsAnz) 
		{
			SfxListener* pLs = mpModel->GetListener((sal_uInt16)mnListenerNum);
			mpAktView = PTR_CAST(SdrView, pLs);

			if(mpAktView) 
			{
				if(mpPage) 
				{
					SdrPageView* pPV = mpAktView->GetSdrPageView();
					
					if(pPV)
					{
						if(ImpCheckPageView(pPV)) 
						{
							return mpAktView;
						}
					}
				} 
				else 
				{
					return mpAktView;
				}
			}

			mnListenerNum++;
		}
	}

	mpAktView = 0L;
	return mpAktView;
}

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

SdrPageView* SdrViewIter::ImpFindPageView()
{
	if(mpModel) 
	{
		while(mpAktView) 
		{
			SdrPageView* pPV = mpAktView->GetSdrPageView();
			
			if(pPV)
			{
				if(mpPage) 
				{
					if(ImpCheckPageView(pPV)) 
					{
						return pPV;
					}
				} 
				else 
				{
					return pPV;
				}
				
				mnPageViewNum++;
			}

			mnListenerNum++;
			ImpFindView();
		}
	}

	return 0L;
}

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

OutputDevice* SdrViewIter::ImpFindOutDev()
{
	while(mpAktView) 
	{
		const sal_uInt32 nOutDevAnz(mpAktView->PaintWindowCount());

		if(mnOutDevNum < nOutDevAnz) 
		{
			SdrPaintWindow* pPaintWindow = mpAktView->GetPaintWindow(mnOutDevNum);
			return &pPaintWindow->GetOutputDevice();
		}
	
		mnListenerNum++;
		ImpFindView();
	}
	
	return 0L;
}

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

Window* SdrViewIter::ImpFindWindow()
{
	while(mpAktView) 
	{
		const sal_uInt32 nOutDevAnz(mpAktView->PaintWindowCount());

		while(mnOutDevNum < nOutDevAnz) 
		{
			SdrPaintWindow* pPaintWindow = mpAktView->GetPaintWindow(mnOutDevNum);
			OutputDevice& rOutDev = pPaintWindow->GetOutputDevice();

			if(OUTDEV_WINDOW == rOutDev.GetOutDevType()) 
			{
				return (Window*)(&rOutDev);
			}

			mnOutDevNum++;
		}

		mnListenerNum++;
		ImpFindView();
	}

	return 0L;
}

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

SdrView* SdrViewIter::FirstView()
{
	ImpInitVars();
	return ImpFindView();
}

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

SdrView* SdrViewIter::NextView()
{
	mnListenerNum++;
	return ImpFindView();
}

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

SdrPageView* SdrViewIter::FirstPageView()
{
	ImpInitVars();
	ImpFindView();
	return ImpFindPageView();
}

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

SdrPageView* SdrViewIter::NextPageView()
{
	mnPageViewNum++;
	return ImpFindPageView();
}

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

OutputDevice* SdrViewIter::FirstOutDev()
{
	ImpInitVars();
	ImpFindView();
	return ImpFindOutDev();
}

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

OutputDevice* SdrViewIter::NextOutDev()
{
	mnOutDevNum++;
	return ImpFindOutDev();
}

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

Window* SdrViewIter::FirstWindow()
{
	ImpInitVars();
	ImpFindView();
	return ImpFindWindow();
}

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

Window* SdrViewIter::NextWindow()
{
	mnOutDevNum++;
	return ImpFindWindow();
}

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

