/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

/*

 * This file is part of the LibreOffice project.

 *

 * This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/.

 *

 * This file incorporates work covered by the following license notice:

 *

 *   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 .

 */

#include <sfx2/objsh.hxx>

#include <sfx2/app.hxx>

#include <objshimp.hxx>

#include <sfx2/event.hxx>

#include <sfx2/sfxbasemodel.hxx>

#include <comphelper/fileformat.h>

#include <tools/fract.hxx>

#include <vcl/transfer.hxx>

#include <vcl/outdev.hxx>

#include <vcl/gdimtf.hxx>

using namespace ::com::sun::star;

Printer* SfxObjectShell::GetDocumentPrinter()

{

    SfxObjectShell* pParent = GetParentShell(GetModel());

    if ( pParent )

        return pParent->GetDocumentPrinter();

    return nullptr;

}

OutputDevice* SfxObjectShell::GetDocumentRefDev()

{

    SfxObjectShell* pParent = GetParentShell(GetModel());

    if ( pParent )

        return pParent->GetDocumentRefDev();

    return nullptr;

}

void SfxObjectShell::OnDocumentPrinterChanged( Printer* /*pNewPrinter*/ )

{

    // virtual method

}

tools::Rectangle SfxObjectShell::GetVisArea( sal_uInt16 nAspect ) const

{

    if( nAspect == ASPECT_CONTENT )

        return pImpl->m_aVisArea;

    else if( nAspect == ASPECT_THUMBNAIL )

    {

        tools::Rectangle aRect;

        aRect.SetSize( OutputDevice::LogicToLogic( Size( 5000, 5000 ),

                         MapMode(MapUnit::Map100thMM), MapMode(GetMapUnit())));

        return aRect;

    }

    return tools::Rectangle();

}

const tools::Rectangle& SfxObjectShell::GetVisArea() const

{

    pImpl->m_aVisArea = GetVisArea( ASPECT_CONTENT );

    return pImpl->m_aVisArea;

}

void SfxObjectShell::SetVisArea( const tools::Rectangle & rVisArea )

{

    if( pImpl->m_aVisArea != rVisArea )

    {

        pImpl->m_aVisArea = rVisArea;

        if ( GetCreateMode() == SfxObjectCreateMode::EMBEDDED )

        {

            if (IsEnableSetModified()

                // Base forms use EMBEDDED but they actually live in their own

                // frame - resizing that shouldn't set it to modified.

                && pImpl->pBaseModel

                && pImpl->pBaseModel->getIdentifier() != "com.sun.star.sdb.FormDesign")

            {

                SetModified();

            }

            SfxGetpApp()->NotifyEvent(SfxEventHint( SfxEventHintId::VisAreaChanged, GlobalEventConfig::GetEventName(GlobalEventId::VISAREACHANGED), this));

        }

    }

}

void SfxObjectShell::SetVisAreaSize( const Size & rVisSize )

{

    SetVisArea( tools::Rectangle( GetVisArea().TopLeft(), rVisSize ) );

}

MapUnit SfxObjectShell::GetMapUnit() const

{

    return pImpl->m_nMapUnit;

}

void SfxObjectShell::SetMapUnit( MapUnit nMapUnit )

{

    pImpl->m_nMapUnit = nMapUnit;

}

void SfxObjectShell::FillTransferableObjectDescriptor( TransferableObjectDescriptor& rDesc ) const

{

    SotClipboardFormatId nClipFormat;

    FillClass( &rDesc.maClassName, &nClipFormat, &rDesc.maTypeName, SOFFICE_FILEFORMAT_CURRENT );

    rDesc.mnViewAspect = ASPECT_CONTENT;

    rDesc.maSize = OutputDevice::LogicToLogic(GetVisArea().GetSize(), MapMode(GetMapUnit()), MapMode(MapUnit::Map100thMM));

    rDesc.maDragStartPos = Point();

    rDesc.maDisplayName.clear();

}

void SfxObjectShell::DoDraw( OutputDevice* pDev,

                            const Point & rObjPos,

                            const Size & rSize,

                            const JobSetup & rSetup,

                            sal_uInt16 nAspect,

                            bool bOutputForScreen )

{

    if (!rSize.Width() || !rSize.Height())

        return;

    MapMode aMod = pDev->GetMapMode();

    Size aSize = GetVisArea( nAspect ).GetSize();

    MapMode aWilliMode( GetMapUnit() );

    aSize = pDev->LogicToLogic( aSize, &aWilliMode, &aMod );

    if( aSize.Width() && aSize.Height() )

    {

        Fraction aXF( rSize.Width(), aSize.Width() );

        Fraction aYF( rSize.Height(), aSize.Height() );

        DoDraw_Impl(pDev, rObjPos, aXF, aYF, rSetup, nAspect, bOutputForScreen);

    }

}

void SfxObjectShell::DoDraw_Impl( OutputDevice* pDev,

                               const Point & rViewPos,

                               const Fraction & rScaleX,

                               const Fraction & rScaleY,

                               const JobSetup & rSetup,

                               sal_uInt16 nAspect,

                               bool bOutputForScreen )

{

    tools::Rectangle aVisArea  = GetVisArea( nAspect );

    // MapUnit of the target

    MapMode aMapMode( GetMapUnit() );

    aMapMode.SetScaleX( rScaleX );

    aMapMode.SetScaleY( rScaleY );

    // Target in Pixels

    Point aOrg   = pDev->LogicToLogic( rViewPos, nullptr, &aMapMode );

    Point aDelta = aOrg - aVisArea.TopLeft();

    // Origin moved according to the viewable area

    // Origin set with Scale

    aMapMode.SetOrigin( aDelta );

    // Secure the Device settings

    pDev->Push();

    vcl::Region aRegion;

    if( pDev->IsClipRegion() && pDev->GetOutDevType() != OUTDEV_PRINTER )

    {

        aRegion = pDev->GetClipRegion();

        aRegion = pDev->LogicToPixel( aRegion );

    }

    pDev->SetRelativeMapMode( aMapMode );

    GDIMetaFile * pMtf = pDev->GetConnectMetaFile();

    if( pMtf )

    {

        if( pMtf->IsRecord() && pDev->GetOutDevType() != OUTDEV_PRINTER )

            pMtf->Stop();

        else

            pMtf = nullptr;

    }

    if( pDev->IsClipRegion() && pDev->GetOutDevType() != OUTDEV_PRINTER )

    {

        aRegion = pDev->PixelToLogic( aRegion );

        pDev->SetClipRegion( aRegion );

    }

    if( pMtf )

        pMtf->Record( pDev );

    Draw( pDev, rSetup, nAspect, bOutputForScreen );

    // Restore Device settings

    pDev->Pop();

}

comphelper::EmbeddedObjectContainer& SfxObjectShell::GetEmbeddedObjectContainer() const

{

    if ( !pImpl->mxObjectContainer )

        pImpl->mxObjectContainer.reset(new comphelper::EmbeddedObjectContainer( const_cast<SfxObjectShell*>(this)->GetStorage(), GetModel() ));

    return *pImpl->mxObjectContainer;

}

void SfxObjectShell::ClearEmbeddedObjects()

{

    // frees all space taken by embedded objects

    pImpl->mxObjectContainer.reset();

}

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