path: root/bf_svx/source/svdraw/svx_svdouno.cxx

/* -*- 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 <com/sun/star/container/XChild.hpp>
#include <com/sun/star/awt/XWindow.hpp>
#include <com/sun/star/awt/PosSize.hpp>
#include <com/sun/star/beans/XPropertySet.hpp>


#include "svdouno.hxx"
#include "svdpagv.hxx"
#include "svdio.hxx"
#include "svdstr.hrc"   // Objektname
#include "svdview.hxx"
#include "svdviter.hxx"

#include <set>

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

//************************************************************
//   Defines
//************************************************************

//************************************************************
//   Hilfsklasse SdrControlEventListenerImpl
//************************************************************


#include <cppuhelper/implbase1.hxx>
namespace binfilter {

/*N*/ class SdrControlEventListenerImpl : public ::cppu::WeakImplHelper1< ::com::sun::star::lang::XEventListener >
/*N*/ {
/*N*/ protected:
/*N*/   SdrUnoObj*                  pObj;
/*N*/
/*N*/ public:
/*N*/   SdrControlEventListenerImpl(SdrUnoObj* _pObj)
/*N*/   :   pObj(_pObj)
/*N*/   {}
/*N*/
/*N*/   // XEventListener
/*N*/     virtual void SAL_CALL disposing( const ::com::sun::star::lang::EventObject& Source ) throw(::com::sun::star::uno::RuntimeException);
/*N*/
/*N*/   void StopListening(const uno::Reference< lang::XComponent >& xComp);
/*N*/   void StartListening(const uno::Reference< lang::XComponent >& xComp);
/*N*/ };

// XEventListener
/*N*/ void SAL_CALL SdrControlEventListenerImpl::disposing( const ::com::sun::star::lang::EventObject& /*Source*/ )
/*N*/   throw(::com::sun::star::uno::RuntimeException)
/*N*/ {
/*N*/   if (pObj)
/*N*/   {
/*N*/       pObj->xUnoControlModel = NULL;
/*N*/   }
/*N*/ }

/*N*/ void SdrControlEventListenerImpl::StopListening(const uno::Reference< lang::XComponent >& xComp)
/*N*/ {
/*N*/   if (xComp.is())
/*N*/       xComp->removeEventListener(this);
/*N*/ }

/*N*/ void SdrControlEventListenerImpl::StartListening(const uno::Reference< lang::XComponent >& xComp)
/*N*/ {
/*N*/   if (xComp.is())
/*N*/       xComp->addEventListener(this);
/*N*/ }

// -----------------------------------------------------------------------------
/*?*/ namespace
/*?*/ {
/*?*/     void lcl_ensureControlVisibility( SdrView* _pView, const SdrUnoObj* _pObject, bool _bVisible )
/*?*/     {
/*?*/         SdrPageView* pPageView = _pView ? _pView->GetPageView( _pObject->GetPage() ) : NULL;
/*?*/         DBG_ASSERT( pPageView, "lcl_ensureControlVisibility: no view found!" );
/*?*/
/*?*/         if ( pPageView )
/*?*/         {
/*?*/             // loop through all the views windows
/*?*/             const SdrPageViewWinList& rViewWins = pPageView->GetWinList();
/*?*/             USHORT nWins = rViewWins.GetCount();
/*?*/             for ( USHORT i=0; i<nWins; ++i )
/*?*/             {
/*?*/                 const SdrPageViewWinRec& rWinData = rViewWins[i];
/*?*/
/*?*/                 // loop through all controls in this window
/*?*/                 const SdrUnoControlList& rControlsInThisWin = rWinData.GetControlList();
/*?*/                 USHORT nControlsInThisWin = rControlsInThisWin.GetCount();
/*?*/                 for ( USHORT j=0; j<nControlsInThisWin; ++j )
/*?*/                 {
/*?*/                     const SdrUnoControlRec& rControlData = rControlsInThisWin[j];
/*?*/                     if ( rControlData.GetUnoObj() == _pObject )
/*?*/                     {
/*?*/                         // yep - this control is the representation of the given FmFormObj in the
/*?*/                         // given view
/*?*/                         // is the control in alive mode?
/*?*/                         uno::Reference< awt::XControl > xControl( rControlData.GetControl(), uno::UNO_QUERY );
/*?*/                         DBG_ASSERT( xControl.is(), "lcl_ensureControlVisibility: no control!" );
/*?*/                         if ( xControl.is() && !xControl->isDesignMode() )
/*?*/                         {
/*?*/                             // yes, alive mode. Is the visibility correct?
/*?*/                             if ( (bool)rControlData.IsVisible() != _bVisible )
/*?*/                             {
/*?*/                                 // no -> adjust it
/*?*/                                 uno::Reference< awt::XWindow > xControlWindow( xControl, uno::UNO_QUERY );
/*?*/                                 DBG_ASSERT( xControlWindow.is(), "lcl_ensureControlVisibility: the control is no window!" );
/*?*/                                 if ( xControlWindow.is() )
/*?*/                                 {
/*?*/                                     xControlWindow->setVisible( _bVisible );
/*?*/                                     DBG_ASSERT( (bool)rControlData.IsVisible() == _bVisible, "lcl_ensureControlVisibility: this didn't work!" );
/*?*/                                         // now this would mean that either IsVisible is not reliable (which would
/*?*/                                         // be bad 'cause we used it above) or that showing/hiding the window
/*?*/                                         // did not work as intended.
/*?*/                                 }
/*?*/                             }
/*?*/                         }
/*?*/                     }
/*?*/                 }
/*?*/             }
/*?*/         }
/*?*/     }
/*?*/ }

//************************************************************
//   SdrUnoObj
//************************************************************

/*N*/ TYPEINIT1(SdrUnoObj, SdrRectObj);

/*N*/ SdrUnoObj::SdrUnoObj(BOOL _bOwnUnoControlModel)
/*N*/ : bOwnUnoControlModel(_bOwnUnoControlModel)
/*N*/ {
/*N*/   bIsUnoObj = TRUE;
/*N*/
/*N*/   pEventListener = new SdrControlEventListenerImpl(this);
/*N*/   pEventListener->acquire();
/*N*/ }

/*N*/ SdrUnoObj::~SdrUnoObj()
/*N*/ {
/*N*/   uno::Reference< lang::XComponent > xComp(xUnoControlModel, uno::UNO_QUERY);
/*N*/   if (xComp.is())
/*N*/   {
/*N*/       // gehoert das Control seiner Umgebung?
/*N*/       uno::Reference< container::XChild > xContent(xUnoControlModel, uno::UNO_QUERY);
/*N*/       if (xContent.is() && !xContent->getParent().is())
/*N*/           xComp->dispose();
/*N*/       else
/*N*/           pEventListener->StopListening(xComp);
/*N*/   }
/*N*/   pEventListener->release();
/*N*/ }

/*N*/ void SdrUnoObj::SetModel(SdrModel* pNewModel)
/*N*/ {
/*N*/   SdrRectObj::SetModel(pNewModel);
/*N*/ }

/*N*/ void SdrUnoObj::SetPage(SdrPage* pNewPage)
/*N*/ {
/*N*/   SdrRectObj::SetPage(pNewPage);
/*N*/ }



/** helper class to restore graphics at <awt::XView> object after <SdrUnoObj::Paint>

    Restoration of graphics necessary to assure that paint on a window

    @author OD
*/
/*?*/ class RestoreXViewGraphics
/*?*/ {
/*?*/     private:
/*?*/         uno::Reference< awt::XView >        m_rXView;
/*?*/         uno::Reference< awt::XGraphics >    m_rXGraphics;
/*?*/
/*?*/     public:
/*?*/         RestoreXViewGraphics( const uno::Reference< awt::XView >& _rXView )
/*?*/         {
/*?*/              m_rXView = _rXView;
/*?*/              m_rXGraphics = m_rXView->getGraphics();
/*?*/         }
/*?*/         ~RestoreXViewGraphics()
/*?*/         {
/*?*/             m_rXView->setGraphics( m_rXGraphics );
/*?*/         }
/*?*/ };







/*N*/ void SdrUnoObj::VisAreaChanged(const OutputDevice* pOut)
/*N*/ {
/*N*/   if (!xUnoControlModel.is())
/*N*/       return;
/*N*/
/*N*/   if (pOut)
/*N*/   {DBG_BF_ASSERT(0, "STRIP");
        // Nur dieses eine OutDev beruecksichtigen
/*N*/   }
/*N*/   else if (pModel)
/*N*/   {
/*N*/       // Controls aller PageViews beruecksichtigen
/*N*/       USHORT nLstPos = pModel->GetListenerCount();
/*N*/       uno::Reference< awt::XWindow > xWindow;
/*N*/       Point aPixPos;
/*N*/       Size aPixSize;
/*N*/       SfxListener* pListener;
/*N*/       SdrPageView* pPV;
/*N*/       const SdrUnoControlRec* pControlRec = NULL;
/*N*/
/*N*/       for (; nLstPos ;)
/*N*/       {
/*N*/           pListener = pModel->GetListener(--nLstPos);
/*N*/
/*N*/           if (pListener && pListener->ISA(SdrPageView))
/*N*/           {
/*N*/               pPV = (SdrPageView*) pListener;
/*N*/               const SdrPageViewWinList& rWL = pPV->GetWinList();
/*N*/               USHORT nPos = rWL.GetCount();
/*N*/
/*N*/               for (; nPos ; )
/*N*/               {
/*N*/                   // Controls aller OutDevs beruecksichtigen
/*N*/                   const SdrPageViewWinRec& rWR = rWL[--nPos];
/*N*/                   const SdrUnoControlList& rControlList = rWR.GetControlList();
/*N*/                   USHORT nCtrlNum = rControlList.Find(xUnoControlModel);
/*N*/                   pControlRec = (nCtrlNum != SDRUNOCONTROL_NOTFOUND) ? &rControlList[nCtrlNum] : NULL;
/*N*/                   if (pControlRec)
/*N*/                   {
/*N*/                       xWindow = uno::Reference< awt::XWindow >(pControlRec->GetControl(), uno::UNO_QUERY);
/*N*/                       if (xWindow.is())
/*N*/                       {
/*N*/                           // #62560 Pixelverschiebung weil mit einem Rechteck
/*N*/                           // und nicht mit Point, Size gearbeitet wurde
/*N*/                           aPixPos = rWR.GetOutputDevice()->LogicToPixel(aRect.TopLeft());
/*N*/                           aPixSize = rWR.GetOutputDevice()->LogicToPixel(aRect.GetSize());
/*N*/                           xWindow->setPosSize(aPixPos.X(), aPixPos.Y(),
/*N*/                                               aPixSize.Width(), aPixSize.Height(),
/*N*/                                               awt::PosSize::POSSIZE);
/*N*/                       }
/*N*/                   }
/*N*/               }
/*N*/           }
/*N*/       }
/*N*/   }
/*N*/ }

/*N*/ void SdrUnoObj::NbcResize(const Point& rRef, const Fraction& xFact, const Fraction& yFact)
/*N*/ {
/*N*/   SdrRectObj::NbcResize(rRef,xFact,yFact);
/*N*/
/*N*/   if (aGeo.nShearWink!=0 || aGeo.nDrehWink!=0)
/*N*/   {
/*N*/       // kleine Korrekturen
/*?*/       if (aGeo.nDrehWink>=9000 && aGeo.nDrehWink<27000)
/*?*/       {
/*?*/           aRect.Move(aRect.Left()-aRect.Right(),aRect.Top()-aRect.Bottom());
/*?*/       }
/*?*/
/*?*/       aGeo.nDrehWink  = 0;
/*?*/       aGeo.nShearWink = 0;
/*?*/       aGeo.nSin       = 0.0;
/*?*/       aGeo.nCos       = 1.0;
/*?*/       aGeo.nTan       = 0.0;
/*?*/       SetRectsDirty();
/*N*/   }
/*N*/
/*N*/   VisAreaChanged();
/*N*/ }

/*N*/ void SdrUnoObj::NbcMove(const Size& rSize)
/*N*/ {
/*N*/   SdrRectObj::NbcMove(rSize);
/*N*/   VisAreaChanged();
/*N*/ }

/*N*/ void SdrUnoObj::NbcSetSnapRect(const Rectangle& rRect)
/*N*/ {
/*N*/   SdrRectObj::NbcSetSnapRect(rRect);
/*N*/   VisAreaChanged();
/*N*/ }

/*N*/ void SdrUnoObj::NbcSetLogicRect(const Rectangle& rRect)
/*N*/ {
/*N*/   SdrRectObj::NbcSetLogicRect(rRect);
/*N*/   VisAreaChanged();
/*N*/ }

// -----------------------------------------------------------------------------
/*N*/ void SdrUnoObj::NbcSetLayer( SdrLayerID _nLayer )
/*N*/ {
/*N*/     if ( GetLayer() == _nLayer )
/*N*/     {   // redundant call -> not interested in doing anything here
/*N*/         SdrRectObj::NbcSetLayer( _nLayer );
/*N*/         return;
/*N*/     }
/*N*/
/*N*/     // we need some special handling here in case we're moved from an invisible layer
/*N*/     // to a visible one, or vice versa
/*N*/     // (relative to a layer. Remember that the visibility of a layer is a view attribute
/*N*/     // - the same layer can be visible in one view, and invisible in another view, at the
/*N*/     // same time)
/*N*/
/*N*/     // collect all views in which our old layer is visible
/*N*/     ::std::set< SdrView* > aPreviouslyVisible;
/*N*/
/*N*/     {
/*N*/         SdrViewIter aIter( this );
/*N*/         for ( SdrView* pView = aIter.FirstView(); pView; pView = aIter.NextView() )
/*N*/             aPreviouslyVisible.insert( pView );
/*N*/     }
/*N*/
/*N*/     SdrRectObj::NbcSetLayer( _nLayer );
/*N*/
/*N*/     // collect all views in which our new layer is visible
/*N*/     ::std::set< SdrView* > aNewlyVisible;
/*N*/
/*N*/     {
/*N*/         SdrViewIter aIter( this );
/*N*/       for ( SdrView* pView = aIter.FirstView(); pView; pView = aIter.NextView() )
/*N*/         {
/*N*/             ::std::set< SdrView* >::iterator aPrevPos = aPreviouslyVisible.find( pView );
/*N*/             if ( aPreviouslyVisible.end() != aPrevPos )
/*N*/             {   // in pView, we were visible _before_ the layer change, and are
/*N*/                 // visible _after_ the layer change, too
/*N*/                 // -> we're not interested in this view at all
/*N*/                 aPreviouslyVisible.erase( aPrevPos );
/*N*/             }
/*N*/             else
/*N*/             {
/*N*/                 // in pView, we were visible _before_ the layer change, and are
/*N*/                 // _not_ visible after the layer change
/*N*/                 // => remember this view, as our visibility there changed
/*N*/                 aNewlyVisible.insert( pView );
/*N*/             }
/*N*/         }
/*N*/     }
/*N*/
/*N*/     // now aPreviouslyVisible contains all views where we became invisible
/*N*/     ::std::set< SdrView* >::const_iterator aLoopViews;
/*N*/     for (   aLoopViews = aPreviouslyVisible.begin();
/*N*/             aLoopViews != aPreviouslyVisible.end();
/*N*/             ++aLoopViews
/*N*/         )
/*N*/     {
/*N*/         lcl_ensureControlVisibility( *aLoopViews, this, false );
/*N*/     }
/*N*/
/*N*/     // and aNewlyVisible all views where we became visible
/*N*/     for (   aLoopViews = aNewlyVisible.begin();
/*N*/             aLoopViews != aNewlyVisible.end();
/*N*/             ++aLoopViews
/*N*/         )
/*N*/     {
/*N*/         lcl_ensureControlVisibility( *aLoopViews, this, true );
/*N*/     }
/*N*/ }

/*N*/ void SdrUnoObj::ReadData(const SdrObjIOHeader& rHead, SvStream& rIn)
/*N*/ {
/*N*/   if (rIn.GetError() != 0)
/*N*/       return;
/*N*/
/*N*/   SdrRectObj::ReadData(rHead,rIn);
/*N*/
/*N*/   SdrDownCompat aCompat(rIn, STREAM_READ);    // Fuer Abwaertskompatibilitaet (Lesen neuer Daten mit altem Code)
/*N*/
/*N*/ #ifdef DBG_UTIL
/*N*/   aCompat.SetID("SdrUnoObj");
/*N*/ #endif
/*N*/ }

/*N*/ void SdrUnoObj::SetUnoControlModel( uno::Reference< awt::XControlModel > xModel)
/*N*/ {
/*N*/   if (xUnoControlModel.is())
/*N*/   {
/*?*/       uno::Reference< lang::XComponent > xComp(xUnoControlModel, uno::UNO_QUERY);
/*?*/       if (xComp.is())
/*?*/           pEventListener->StopListening(xComp);
/*?*/
/*?*/       if (pModel)
/*?*/       {
/*?*/           SdrHint aHint(*this);
/*?*/           aHint.SetKind(HINT_CONTROLREMOVED);
/*?*/           pModel->Broadcast(aHint);
/*?*/       }
/*N*/   }
/*N*/
/*N*/   xUnoControlModel = xModel;
/*N*/
/*N*/   // control model muss servicename des controls enthalten
/*N*/   if (xUnoControlModel.is())
/*N*/   {
/*N*/       uno::Reference< beans::XPropertySet > xSet(xUnoControlModel, uno::UNO_QUERY);
/*N*/       if (xSet.is())
/*N*/       {
/*N*/           uno::Any aValue( xSet->getPropertyValue(String("DefaultControl", osl_getThreadTextEncoding())) );
/*N*/           OUString aStr;
/*N*/           if( aValue >>= aStr )
/*N*/               aUnoControlTypeName = String(aStr);
/*N*/       }
/*N*/
/*N*/       uno::Reference< lang::XComponent > xComp(xUnoControlModel, uno::UNO_QUERY);
/*N*/       if (xComp.is())
/*N*/           pEventListener->StartListening(xComp);
/*N*/
/*N*/       if (pModel)
/*N*/       {
/*N*/           SdrHint aHint(*this);
/*N*/           aHint.SetKind(HINT_CONTROLINSERTED);
/*N*/           pModel->Broadcast(aHint);
/*N*/       }
/*N*/   }
/*N*/ }
}

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