/*************************************************************************
 *
 * 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: viewobjectcontactofsdrpage.cxx,v $
 *
 * $Revision: 1.2 $
 *
 * 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.
 *
 ************************************************************************/

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

#include <svx/sdr/contact/viewobjectcontactofsdrpage.hxx>
#include <svx/sdr/contact/displayinfo.hxx>
#include <svx/sdr/contact/viewcontactofsdrpage.hxx>
#include <svx/svdview.hxx>
#include <svx/svdpage.hxx>
#include <svx/sdr/contact/objectcontact.hxx>
#include <drawinglayer/primitive2d/backgroundcolorprimitive2d.hxx>
#include <basegfx/polygon/b2dpolygontools.hxx>
#include <drawinglayer/primitive2d/polypolygonprimitive2d.hxx>
#include <drawinglayer/primitive2d/gridprimitive2d.hxx>
#include <drawinglayer/primitive2d/helplineprimitive2d.hxx>
#include <basegfx/polygon/b2dpolygon.hxx>
#include <svx/sdr/primitive2d/sdrprimitivetools.hxx>

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

using namespace com::sun::star;

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

namespace sdr
{
	namespace contact
	{
		const SdrPage& ViewObjectContactOfPageSubObject::getPage() const
		{
			return static_cast< ViewContactOfPageSubObject& >(GetViewContact()).getPage();
		}

		ViewObjectContactOfPageSubObject::ViewObjectContactOfPageSubObject(ObjectContact& rObjectContact, ViewContact& rViewContact)
		:	ViewObjectContact(rObjectContact, rViewContact)
		{
		}

		ViewObjectContactOfPageSubObject::~ViewObjectContactOfPageSubObject()
		{
		}

		bool ViewObjectContactOfPageSubObject::isPrimitiveVisible(const DisplayInfo& rDisplayInfo) const
		{
            if(rDisplayInfo.GetSubContentActive())
            {
                return false;
            }

            if(rDisplayInfo.GetControlLayerProcessingActive())
            {
                return false;
            }

            if(!rDisplayInfo.GetPageProcessingActive())
            {
                return false;
            }

            if(GetObjectContact().isOutputToPrinter())
            {
                return false;
            }

            if(!GetObjectContact().TryToGetSdrPageView())
            {
                return false;
            }

            return true;
		}

		bool ViewObjectContactOfPageSubObject::isPrimitiveGhosted(const DisplayInfo& /*rDisplayInfo*/) const
		{
			// suppress ghosted for page parts
			return false;
		}
	} // end of namespace contact
} // end of namespace sdr

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

namespace sdr
{
	namespace contact
	{
		ViewObjectContactOfPageBackground::ViewObjectContactOfPageBackground(ObjectContact& rObjectContact, ViewContact& rViewContact)
		:	ViewObjectContactOfPageSubObject(rObjectContact, rViewContact)
		{
		}

		ViewObjectContactOfPageBackground::~ViewObjectContactOfPageBackground()
		{
		}

		bool ViewObjectContactOfPageBackground::isPrimitiveVisible(const DisplayInfo& rDisplayInfo) const
		{
			if(!ViewObjectContactOfPageSubObject::isPrimitiveVisible(rDisplayInfo))
			{
				return false;
			}

			// no page background for preview renderers
			if(GetObjectContact().IsPreviewRenderer())
			{
				return false;
			}

			return true;
		}

		drawinglayer::primitive2d::Primitive2DSequence ViewObjectContactOfPageBackground::createPrimitive2DSequence(const DisplayInfo& /*rDisplayInfo*/) const
		{
			// Initialize background. Dependent of IsPageVisible, use ApplicationBackgroundColor or ApplicationDocumentColor. Most
			// old renderers for export (html, pdf, gallery, ...) set the page to not visible (SetPageVisible(false)). They expect the
			// given OutputDevice to be initialized with the ApplicationDocumentColor then.
			const SdrPageView* pPageView = GetObjectContact().TryToGetSdrPageView();
            drawinglayer::primitive2d::Primitive2DSequence xRetval;

            if(pPageView)
            {
			    const SdrView& rView = pPageView->GetView();
			    Color aInitColor;

			    if(rView.IsPageVisible())
			    {
				    aInitColor = pPageView->GetApplicationBackgroundColor();
			    }
			    else
			    {
				    aInitColor = pPageView->GetApplicationDocumentColor();
    				
				    if(Color(COL_AUTO) == aInitColor)
				    {
						const svtools::ColorConfig aColorConfig;
					    aInitColor = aColorConfig.GetColorValue(svtools::DOCCOLOR).nColor;
				    }
			    }

			    // init background with InitColor
                xRetval.realloc(1);
			    const basegfx::BColor aRGBColor(aInitColor.getBColor());
			    xRetval[0] = drawinglayer::primitive2d::Primitive2DReference(new drawinglayer::primitive2d::BackgroundColorPrimitive2D(aRGBColor));
            }

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

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

namespace sdr
{
	namespace contact
	{
		ViewObjectContactOfMasterPage::ViewObjectContactOfMasterPage(ObjectContact& rObjectContact, ViewContact& rViewContact)
		:	ViewObjectContactOfPageSubObject(rObjectContact, rViewContact)
		{
		}

		ViewObjectContactOfMasterPage::~ViewObjectContactOfMasterPage()
		{
		}

		bool ViewObjectContactOfMasterPage::isPrimitiveVisible(const DisplayInfo& rDisplayInfo) const
		{
			if(!ViewObjectContactOfPageSubObject::isPrimitiveVisible(rDisplayInfo))
			{
				return false;
			}

			// this object is only used for MasterPages. When not the MasterPage is
			// displayed as a page, but another page is using it as sub-object, the
			// geometry needs to be hidden
			if(rDisplayInfo.GetSubContentActive())
			{
				return false;
			}

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

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

namespace sdr
{
	namespace contact
	{
		ViewObjectContactOfPageFill::ViewObjectContactOfPageFill(ObjectContact& rObjectContact, ViewContact& rViewContact)
		:	ViewObjectContactOfPageSubObject(rObjectContact, rViewContact)
		{
		}

		ViewObjectContactOfPageFill::~ViewObjectContactOfPageFill()
		{
		}

		bool ViewObjectContactOfPageFill::isPrimitiveVisible(const DisplayInfo& rDisplayInfo) const
		{
			if(!ViewObjectContactOfPageSubObject::isPrimitiveVisible(rDisplayInfo))
			{
				return false;
			}

            SdrPageView* pSdrPageView = GetObjectContact().TryToGetSdrPageView();

            if(!pSdrPageView)
            {
                return false;
            }

			if(!pSdrPageView->GetView().IsPageVisible())
			{
				return false;
			}

			return true;
		}

		drawinglayer::primitive2d::Primitive2DSequence ViewObjectContactOfPageFill::createPrimitive2DSequence(const DisplayInfo& /*rDisplayInfo*/) const
		{
			const SdrPageView* pPageView = GetObjectContact().TryToGetSdrPageView();
            drawinglayer::primitive2d::Primitive2DSequence xRetval;

            if(pPageView)
            {
			    const SdrPage& rPage = getPage();

			    const basegfx::B2DRange aPageFillRange(0.0, 0.0, (double)rPage.GetWdt(), (double)rPage.GetHgt());
			    const basegfx::B2DPolygon aPageFillPolygon(basegfx::tools::createPolygonFromRect(aPageFillRange));
			    Color aPageFillColor;

			    if(pPageView->GetApplicationDocumentColor() != COL_AUTO)
			    {
				    aPageFillColor = pPageView->GetApplicationDocumentColor();
			    }
			    else
			    {
					const svtools::ColorConfig aColorConfig;
				    aPageFillColor = aColorConfig.GetColorValue(svtools::DOCCOLOR).nColor;
			    }

			    // create and add primitive
                xRetval.realloc(1);
			    const basegfx::BColor aRGBColor(aPageFillColor.getBColor());
			    xRetval[0] = drawinglayer::primitive2d::Primitive2DReference(new drawinglayer::primitive2d::PolyPolygonColorPrimitive2D(basegfx::B2DPolyPolygon(aPageFillPolygon), aRGBColor));
            }

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

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

namespace sdr
{
	namespace contact
	{
		ViewObjectContactOfPageShadow::ViewObjectContactOfPageShadow(ObjectContact& rObjectContact, ViewContact& rViewContact)
		:	ViewObjectContactOfPageSubObject(rObjectContact, rViewContact)
		{
		}

		ViewObjectContactOfPageShadow::~ViewObjectContactOfPageShadow()
		{
		}

		bool ViewObjectContactOfPageShadow::isPrimitiveVisible(const DisplayInfo& rDisplayInfo) const
		{
			if(!ViewObjectContactOfPageSubObject::isPrimitiveVisible(rDisplayInfo))
			{
				return false;
			}

            SdrPageView* pSdrPageView = GetObjectContact().TryToGetSdrPageView();

            if(!pSdrPageView)
            {
                return false;
            }

			if(!pSdrPageView->GetView().IsPageVisible())
			{
				return false;
			}

			// no page shadow for preview renderers
			if(GetObjectContact().IsPreviewRenderer())
			{
				return false;
			}

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

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

namespace sdr
{
	namespace contact
	{
		ViewObjectContactOfOuterPageBorder::ViewObjectContactOfOuterPageBorder(ObjectContact& rObjectContact, ViewContact& rViewContact)
		:	ViewObjectContactOfPageSubObject(rObjectContact, rViewContact)
		{
		}

		ViewObjectContactOfOuterPageBorder::~ViewObjectContactOfOuterPageBorder()
		{
		}

		bool ViewObjectContactOfOuterPageBorder::isPrimitiveVisible(const DisplayInfo& rDisplayInfo) const
		{
			if(!ViewObjectContactOfPageSubObject::isPrimitiveVisible(rDisplayInfo))
			{
				return false;
			}

            SdrPageView* pSdrPageView = GetObjectContact().TryToGetSdrPageView();

            if(!pSdrPageView)
            {
                return false;
            }

            const SdrView& rView = pSdrPageView->GetView();

            if(!rView.IsPageVisible() && rView.IsPageBorderVisible())
			{
				return false;
			}

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

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

namespace sdr
{
	namespace contact
	{
		ViewObjectContactOfInnerPageBorder::ViewObjectContactOfInnerPageBorder(ObjectContact& rObjectContact, ViewContact& rViewContact)
		:	ViewObjectContactOfPageSubObject(rObjectContact, rViewContact)
		{
		}

		ViewObjectContactOfInnerPageBorder::~ViewObjectContactOfInnerPageBorder()
		{
		}

		bool ViewObjectContactOfInnerPageBorder::isPrimitiveVisible(const DisplayInfo& rDisplayInfo) const
		{
			if(!ViewObjectContactOfPageSubObject::isPrimitiveVisible(rDisplayInfo))
			{
				return false;
			}

            SdrPageView* pSdrPageView = GetObjectContact().TryToGetSdrPageView();

            if(!pSdrPageView)
            {
                return false;
            }

            if(!pSdrPageView->GetView().IsBordVisible())
			{
				return false;
			}

			const SdrPage& rPage = getPage();
			
            if(!rPage.GetLftBorder() && !rPage.GetUppBorder() && !rPage.GetRgtBorder() && !rPage.GetLwrBorder())
			{
				return false;
			}

			// no inner page border for preview renderers
			if(GetObjectContact().IsPreviewRenderer())
			{
				return false;
			}

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

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

namespace sdr
{
	namespace contact
	{
		ViewObjectContactOfPageHierarchy::ViewObjectContactOfPageHierarchy(ObjectContact& rObjectContact, ViewContact& rViewContact)
		:	ViewObjectContactOfPageSubObject(rObjectContact, rViewContact)
		{
		}

		ViewObjectContactOfPageHierarchy::~ViewObjectContactOfPageHierarchy()
		{
		}

		drawinglayer::primitive2d::Primitive2DSequence ViewObjectContactOfPageHierarchy::getPrimitive2DSequenceHierarchy(DisplayInfo& rDisplayInfo) const
		{
			drawinglayer::primitive2d::Primitive2DSequence xRetval;

			// process local sub-hierarchy
			const sal_uInt32 nSubHierarchyCount(GetViewContact().GetObjectCount());

			if(nSubHierarchyCount)
			{
				xRetval = getPrimitive2DSequenceSubHierarchy(rDisplayInfo);
				
				if(xRetval.hasElements())
				{
					// get ranges
					const drawinglayer::geometry::ViewInformation2D& rViewInformation2D(GetObjectContact().getViewInformation2D());
					const basegfx::B2DRange aObjectRange(drawinglayer::primitive2d::getB2DRangeFromPrimitive2DSequence(xRetval, rViewInformation2D));
					const basegfx::B2DRange aViewRange(rViewInformation2D.getViewport());

					// check geometrical visibility
					if(!aViewRange.isEmpty() && !aViewRange.overlaps(aObjectRange))
					{
						// not visible, release
						xRetval.realloc(0);
					}
				}
			}

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

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

namespace sdr
{
	namespace contact
	{
		ViewObjectContactOfPageGrid::ViewObjectContactOfPageGrid(ObjectContact& rObjectContact, ViewContact& rViewContact)
		:	ViewObjectContactOfPageSubObject(rObjectContact, rViewContact)
		{
		}

		ViewObjectContactOfPageGrid::~ViewObjectContactOfPageGrid()
		{
		}

		bool ViewObjectContactOfPageGrid::isPrimitiveVisible(const DisplayInfo& rDisplayInfo) const
		{
			if(!ViewObjectContactOfPageSubObject::isPrimitiveVisible(rDisplayInfo))
			{
				return false;
			}

            SdrPageView* pSdrPageView = GetObjectContact().TryToGetSdrPageView();

            if(!pSdrPageView)
            {
                return false;
            }

			const SdrView& rView = pSdrPageView->GetView();

            if(!rView.IsGridVisible())
			{
				return false;
			}

			// no page grid for preview renderers
			if(GetObjectContact().IsPreviewRenderer())
			{
				return false;
			}

			if(static_cast< ViewContactOfGrid& >(GetViewContact()).getFront() != (bool)rView.IsGridFront())
			{
				return false;
			}

			return true;
		}

		drawinglayer::primitive2d::Primitive2DSequence ViewObjectContactOfPageGrid::createPrimitive2DSequence(const DisplayInfo& /*rDisplayInfo*/) const
		{
			const SdrPageView* pPageView = GetObjectContact().TryToGetSdrPageView();
            drawinglayer::primitive2d::Primitive2DSequence xRetval;

            if(pPageView)
            {
			    const SdrView& rView = pPageView->GetView();
			    const SdrPage& rPage = getPage();
			    const Color aGridColor(rView.GetGridColor());
			    const basegfx::BColor aRGBGridColor(aGridColor.getBColor());

			    basegfx::B2DHomMatrix aGridMatrix;
			    aGridMatrix.set(0, 0, (double)(rPage.GetWdt() - (rPage.GetRgtBorder() + rPage.GetLftBorder())));
			    aGridMatrix.set(1, 1, (double)(rPage.GetHgt() - (rPage.GetLwrBorder() + rPage.GetUppBorder())));
			    aGridMatrix.set(0, 2, (double)rPage.GetLftBorder());
			    aGridMatrix.set(1, 2, (double)rPage.GetUppBorder());

			    const Size aRaw(rView.GetGridCoarse());
			    const Size aFine(rView.GetGridFine());
			    const double fWidthX(aRaw.getWidth());
			    const double fWidthY(aRaw.getHeight());
			    const sal_uInt32 nSubdivisionsX(aFine.getWidth() ? aRaw.getWidth() / aFine.getWidth() : 0L);
			    const sal_uInt32 nSubdivisionsY(aFine.getHeight() ? aRaw.getHeight() / aFine.getHeight() : 0L);

                xRetval.realloc(1);
			    xRetval[0] = drawinglayer::primitive2d::Primitive2DReference(new drawinglayer::primitive2d::GridPrimitive2D(
					aGridMatrix, fWidthX, fWidthY, 10.0, 3.0, nSubdivisionsX, nSubdivisionsY, aRGBGridColor,
					drawinglayer::primitive2d::createDefaultCross_3x3(aRGBGridColor)));
            }

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

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

namespace sdr
{
	namespace contact
	{
		ViewObjectContactOfPageHelplines::ViewObjectContactOfPageHelplines(ObjectContact& rObjectContact, ViewContact& rViewContact)
		:	ViewObjectContactOfPageSubObject(rObjectContact, rViewContact)
		{
		}

		ViewObjectContactOfPageHelplines::~ViewObjectContactOfPageHelplines()
		{
		}

		bool ViewObjectContactOfPageHelplines::isPrimitiveVisible(const DisplayInfo& rDisplayInfo) const
		{
			if(!ViewObjectContactOfPageSubObject::isPrimitiveVisible(rDisplayInfo))
			{
				return false;
			}

            SdrPageView* pSdrPageView = GetObjectContact().TryToGetSdrPageView();

            if(!pSdrPageView)
            {
                return false;
            }

			const SdrView& rView = pSdrPageView->GetView();

            if(!rView.IsHlplVisible())
			{
				return false;
			}
			
			// no helplines for preview renderers
			if(GetObjectContact().IsPreviewRenderer())
			{
				return false;
			}

			if(static_cast< ViewContactOfHelplines& >(GetViewContact()).getFront() != (bool)rView.IsHlplFront())
			{
				return false;
			}

			return true;
		}

		drawinglayer::primitive2d::Primitive2DSequence ViewObjectContactOfPageHelplines::createPrimitive2DSequence(const DisplayInfo& /*rDisplayInfo*/) const
		{
			drawinglayer::primitive2d::Primitive2DSequence xRetval;
			const SdrPageView* pPageView = GetObjectContact().TryToGetSdrPageView();

            if(pPageView)
            {
			    const SdrHelpLineList& rHelpLineList = pPageView->GetHelpLines();
			    const sal_uInt32 nCount(rHelpLineList.GetCount());

			    if(nCount)
			    {
				    const basegfx::BColor aRGBColorA(1.0, 1.0, 1.0);
				    const basegfx::BColor aRGBColorB(0.0, 0.0, 0.0);
                    xRetval.realloc(nCount);

				    for(sal_uInt32 a(0L); a < nCount; a++)
				    {
					    const SdrHelpLine& rHelpLine = rHelpLineList[(sal_uInt16)a];
					    const basegfx::B2DPoint aPosition((double)rHelpLine.GetPos().X(), (double)rHelpLine.GetPos().Y());
                        const double fDiscreteDashLength(4.0);

					    switch(rHelpLine.GetKind())
					    {
						    default : // SDRHELPLINE_POINT
						    {
							    xRetval[a] = drawinglayer::primitive2d::Primitive2DReference(new drawinglayer::primitive2d::HelplinePrimitive2D(
								    aPosition, basegfx::B2DVector(1.0, 0.0), drawinglayer::primitive2d::HELPLINESTYLE2D_POINT,
								    aRGBColorA, aRGBColorB, fDiscreteDashLength));
							    break;
						    }
						    case SDRHELPLINE_VERTICAL :
						    {
							    xRetval[a] = drawinglayer::primitive2d::Primitive2DReference(new drawinglayer::primitive2d::HelplinePrimitive2D(
								    aPosition, basegfx::B2DVector(0.0, 1.0), drawinglayer::primitive2d::HELPLINESTYLE2D_LINE,
								    aRGBColorA, aRGBColorB, fDiscreteDashLength));
							    break;
						    }
						    case SDRHELPLINE_HORIZONTAL :
						    {
							    xRetval[a] = drawinglayer::primitive2d::Primitive2DReference(new drawinglayer::primitive2d::HelplinePrimitive2D(
								    aPosition, basegfx::B2DVector(1.0, 0.0), drawinglayer::primitive2d::HELPLINESTYLE2D_LINE,
								    aRGBColorA, aRGBColorB, fDiscreteDashLength));
							    break;
						    }
					    }
				    }
			    }
            }

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

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

namespace sdr
{
	namespace contact
	{
		ViewObjectContactOfSdrPage::ViewObjectContactOfSdrPage(ObjectContact& rObjectContact, ViewContact& rViewContact)
		:	ViewObjectContact(rObjectContact, rViewContact)
		{
		}

		ViewObjectContactOfSdrPage::~ViewObjectContactOfSdrPage()
		{
		}

		drawinglayer::primitive2d::Primitive2DSequence ViewObjectContactOfSdrPage::getPrimitive2DSequenceHierarchy(DisplayInfo& rDisplayInfo) const
		{
			drawinglayer::primitive2d::Primitive2DSequence xRetval;

			// process local sub-hierarchy
			const sal_uInt32 nSubHierarchyCount(GetViewContact().GetObjectCount());

			if(nSubHierarchyCount)
			{
				const sal_Bool bDoGhostedDisplaying(
					GetObjectContact().DoVisualizeEnteredGroup() 
					&& !GetObjectContact().isOutputToPrinter()
					&& GetObjectContact().getActiveViewContact() == &GetViewContact());

				if(bDoGhostedDisplaying)
				{
					rDisplayInfo.ClearGhostedDrawMode();
				}

				// create object hierarchy
				xRetval = getPrimitive2DSequenceSubHierarchy(rDisplayInfo);

				if(xRetval.hasElements())
				{
					// get ranges
					const drawinglayer::geometry::ViewInformation2D& rViewInformation2D(GetObjectContact().getViewInformation2D());
					const basegfx::B2DRange aObjectRange(drawinglayer::primitive2d::getB2DRangeFromPrimitive2DSequence(xRetval, rViewInformation2D));
					const basegfx::B2DRange aViewRange(rViewInformation2D.getViewport());

					// check geometrical visibility
					if(!aViewRange.isEmpty() && !aViewRange.overlaps(aObjectRange))
					{
						// not visible, release
						xRetval.realloc(0);
					}
				}

				if(bDoGhostedDisplaying)
				{
					rDisplayInfo.SetGhostedDrawMode();
				}
			}

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

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