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

#include <com/sun/star/embed/NoVisualAreaSizeException.hpp>

#include <wrtsh.hxx>
#include <doc.hxx>
#include <swtypes.hxx>
#include <view.hxx>
#include <edtwin.hxx>
#include <swcli.hxx>
#include <cmdid.h>
#include <cfgitems.hxx>

#include <toolkit/helper/vclunohelper.hxx>

using namespace com::sun::star;

SwOleClient::SwOleClient( SwView *pView, SwEditWin *pWin, const svt::EmbeddedObjectRef& xObj ) :
    SfxInPlaceClient( pView, pWin, xObj.GetViewAspect() ), bInDoVerb( sal_False ),
	bOldCheckForOLEInCaption( pView->GetWrtShell().IsCheckForOLEInCaption() )
{
    SetObject( xObj.GetObject() );
}

void SwOleClient::RequestNewObjectArea( Rectangle& aLogRect )
{
	//Der Server moechte die Clientgrosse verandern.
	//Wir stecken die Wunschgroesse in die Core. Die Attribute des Rahmens
	//werden auf den Wunschwert eingestellt. Dieser Wert wird also auch an
	//den InPlaceClient weitergegeben.
	//Die Core aktzeptiert bzw. formatiert die eingestellten Werte nicht
	//zwangslaeufig. Wenn der Ole-Frm formatiert wurde wird das CalcAndSetScale()
	//der WrtShell gerufen. Dort wird ggf. die Scalierung des SwOleClient
	//eingestellt.

	SwWrtShell &rSh  = ((SwView*)GetViewShell())->GetWrtShell();

	rSh.StartAllAction();

	// the aLogRect will get the preliminary size now
	aLogRect.SetSize( rSh.RequestObjectResize( SwRect( aLogRect ), GetObject() ) );
		
	// the EndAllAction() call will trigger CalcAndSetScale() call,
	// so the embedded object must get the correct size before
	if ( aLogRect.GetSize() != GetScaledObjArea().GetSize() )
	{
		// size has changed, so first change visual area of the object before we resize its view
		// without this the object always would be scaled - now it has the choice

		// TODO/LEAN: getMapUnit can switch object to running state
		MapMode aObjectMap( VCLUnoHelper::UnoEmbed2VCLMapUnit( GetObject()->getMapUnit( GetAspect() ) ) );
		MapMode aClientMap( GetEditWin()->GetMapMode().GetMapUnit() );

		Size aNewObjSize( Fraction( aLogRect.GetWidth() ) / GetScaleWidth(),
						  Fraction( aLogRect.GetHeight() ) / GetScaleHeight() );

		// convert to logical coordinates of the embedded object
		Size aNewSize = GetEditWin()->LogicToLogic( aNewObjSize, &aClientMap, &aObjectMap );
		GetObject()->setVisualAreaSize( GetAspect(), awt::Size( aNewSize.Width(), aNewSize.Height() ) );
	}

	rSh.EndAllAction();

    SwRect aFrm( rSh.GetAnyCurRect( RECT_FLY_EMBEDDED,     0, GetObject() )),
           aPrt( rSh.GetAnyCurRect( RECT_FLY_PRT_EMBEDDED, 0, GetObject() ));
    aLogRect.SetPos( aPrt.Pos() + aFrm.Pos() );
    aLogRect.SetSize( aPrt.SSize() );
}

void SwOleClient::ObjectAreaChanged()
{
	SwWrtShell &rSh  = ((SwView*)GetViewShell())->GetWrtShell();
    SwRect aFrm( rSh.GetAnyCurRect( RECT_FLY_EMBEDDED,     0, GetObject() )),
           aPrt( rSh.GetAnyCurRect( RECT_FLY_PRT_EMBEDDED, 0, GetObject() ));
	if ( !aFrm.IsOver( rSh.VisArea() ) )
		rSh.MakeVisible( aFrm );
}

void SwOleClient::ViewChanged()
{
    if ( bInDoVerb )
		return;

	if ( GetAspect() == embed::Aspects::MSOLE_ICON )
	{
		// the iconified object seems not to need such a scaling handling
		// since the replacement image and the size a completely controlled by the container
		// TODO/LATER: when the icon exchange is implemented the scaling handling might be required again here
		return;
	}

	SwWrtShell &rSh  = ((SwView*)GetViewShell())->GetWrtShell();

	//Einstellen der Groesse des Objektes in der Core. Die Scalierung muss
	//beruecksichtigt werden. Rueckwirkung auf das Objekt werden von
	//CalcAndSetScale() der WrtShell beruecksichtig, wenn die Groesse/Pos des
	//Rahmens in der Core sich veraendert.

    // TODO/LEAN: getMapUnit can switch object to running state
    awt::Size aSz;
	try
	{
		aSz = GetObject()->getVisualAreaSize( GetAspect() );
	}
	catch( embed::NoVisualAreaSizeException& )
	{
		// Nothing will be done
	}
	catch( uno::Exception& )
	{
		// this is an error
		OSL_ENSURE( sal_False, "Something goes wrong on requesting object size!\n" );
	}
	
    Size aVisSize( aSz.Width, aSz.Height );

	// Bug 24833: solange keine vernuenftige Size vom Object kommt,
	// 				kann nichts skaliert werden
	if( !aVisSize.Width() || !aVisSize.Height() )
		return;

    // first convert to TWIPS before scaling, because scaling factors are calculated for
    // the TWIPS mapping and so they will produce the best results if applied to TWIPS based
    // coordinates
    const MapMode aMyMap ( MAP_TWIP );
    const MapMode aObjMap( VCLUnoHelper::UnoEmbed2VCLMapUnit( GetObject()->getMapUnit( GetAspect() ) ) );
	aVisSize = OutputDevice::LogicToLogic( aVisSize, aObjMap, aMyMap );

    aVisSize.Width() = Fraction( aVisSize.Width()  ) * GetScaleWidth();
    aVisSize.Height()= Fraction( aVisSize.Height() ) * GetScaleHeight();

	SwRect aRect( Point( LONG_MIN, LONG_MIN ), aVisSize );
	rSh.LockView( sal_True );	//Scrollen im EndAction verhindern
	rSh.StartAllAction();
    rSh.RequestObjectResize( aRect, GetObject() );
	rSh.EndAllAction();
	rSh.LockView( sal_False );
}

void SwOleClient::MakeVisible()
{
	const SwWrtShell &rSh  = ((SwView*)GetViewShell())->GetWrtShell();
    rSh.MakeObjVisible( GetObject() );
}

// --> #i972#
void SwOleClient::FormatChanged()
{
    const uno::Reference < embed::XEmbeddedObject >& xObj( GetObject() );
    SwView * pView = dynamic_cast< SwView * >( GetViewShell() );
    if ( pView && xObj.is() && SotExchange::IsMath( xObj->getClassID() ) )
    {
        SwWrtShell & rWrtSh = pView->GetWrtShell();
        if (rWrtSh.GetDoc()->get( IDocumentSettingAccess::MATH_BASELINE_ALIGNMENT ))
            rWrtSh.AlignFormulaToBaseline( xObj );
    }
}
// <--