Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #ifndef _ENVIRONMENTOFANCHOREDOBJECT
      21             : #include <environmentofanchoredobject.hxx>
      22             : #endif
      23             : #include <frame.hxx>
      24             : #include <pagefrm.hxx>
      25             : #include <flyfrm.hxx>
      26             : 
      27             : using namespace objectpositioning;
      28             : 
      29          61 : SwEnvironmentOfAnchoredObject::SwEnvironmentOfAnchoredObject(
      30             :                                                 const bool   _bFollowTextFlow )
      31          61 :     : mbFollowTextFlow( _bFollowTextFlow )
      32          61 : {}
      33             : 
      34          61 : SwEnvironmentOfAnchoredObject::~SwEnvironmentOfAnchoredObject()
      35          61 : {}
      36             : 
      37             : /** determine environment layout frame for possible horizontal object positions
      38             : 
      39             :     @author OD
      40             : */
      41         122 : const SwLayoutFrm& SwEnvironmentOfAnchoredObject::GetHoriEnvironmentLayoutFrm(
      42             :                                             const SwFrm& _rHoriOrientFrm ) const
      43             : {
      44         122 :     const SwFrm* pHoriEnvironmentLayFrm = &_rHoriOrientFrm;
      45             : 
      46         122 :     if ( !mbFollowTextFlow )
      47             :     {
      48             :         // No exception any more for page alignment.
      49             :         // the page frame determines the horizontal layout environment.
      50         122 :         pHoriEnvironmentLayFrm = _rHoriOrientFrm.FindPageFrm();
      51             :     }
      52             :     else
      53             :     {
      54           0 :         while ( !pHoriEnvironmentLayFrm->IsCellFrm() &&
      55           0 :                 !pHoriEnvironmentLayFrm->IsFlyFrm() &&
      56           0 :                 !pHoriEnvironmentLayFrm->IsPageFrm() )
      57             :         {
      58           0 :             pHoriEnvironmentLayFrm = pHoriEnvironmentLayFrm->GetUpper();
      59             :             OSL_ENSURE( pHoriEnvironmentLayFrm,
      60             :                     "SwEnvironmentOfAnchoredObject::GetHoriEnvironmentLayoutFrm(..) - no page|fly|cell frame found" );
      61             :         }
      62             :     }
      63             : 
      64             :     OSL_ENSURE( pHoriEnvironmentLayFrm->ISA(SwLayoutFrm),
      65             :                 "SwEnvironmentOfAnchoredObject::GetHoriEnvironmentLayoutFrm(..) - found frame isn't a layout frame" );
      66             : 
      67         122 :     return static_cast<const SwLayoutFrm&>(*pHoriEnvironmentLayFrm);
      68             : }
      69             : 
      70             : /** determine environment layout frame for possible vertical object positions
      71             : */
      72         122 : const SwLayoutFrm& SwEnvironmentOfAnchoredObject::GetVertEnvironmentLayoutFrm(
      73             :                                             const SwFrm& _rVertOrientFrm ) const
      74             : {
      75         122 :     const SwFrm* pVertEnvironmentLayFrm = &_rVertOrientFrm;
      76             : 
      77         122 :     if ( !mbFollowTextFlow )
      78             :     {
      79             :         // No exception any more for page alignment.
      80             :         // the page frame determines the vertical layout environment.
      81         122 :         pVertEnvironmentLayFrm = _rVertOrientFrm.FindPageFrm();
      82             :     }
      83             :     else
      84             :     {
      85           0 :         while ( !pVertEnvironmentLayFrm->IsCellFrm() &&
      86           0 :                 !pVertEnvironmentLayFrm->IsFlyFrm() &&
      87           0 :                 !pVertEnvironmentLayFrm->IsHeaderFrm() &&
      88           0 :                 !pVertEnvironmentLayFrm->IsFooterFrm() &&
      89           0 :                 !pVertEnvironmentLayFrm->IsFtnFrm() &&
      90           0 :                 !pVertEnvironmentLayFrm->IsPageBodyFrm() &&
      91           0 :                 !pVertEnvironmentLayFrm->IsPageFrm() )
      92             :         {
      93           0 :             pVertEnvironmentLayFrm = pVertEnvironmentLayFrm->GetUpper();
      94             :             OSL_ENSURE( pVertEnvironmentLayFrm,
      95             :                     "SwEnvironmentOfAnchoredObject::GetVertEnvironmentLayoutFrm(..) - proposed frame not found" );
      96             :         }
      97             :     }
      98             : 
      99             :     OSL_ENSURE( pVertEnvironmentLayFrm->ISA(SwLayoutFrm),
     100             :                 "SwEnvironmentOfAnchoredObject::GetVertEnvironmentLayoutFrm(..) - found frame isn't a layout frame" );
     101             : 
     102         122 :     return static_cast<const SwLayoutFrm&>(*pVertEnvironmentLayFrm);
     103             : }
     104             : 
     105             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */