svx/source/svdraw/svdoutlinercache.cxx

   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 #include <svdoutlinercache.hxx>
  21 #include <svx/svdoutl.hxx>
  22 #include <svx/svdmodel.hxx>
  23 #include <svx/svdetc.hxx>
  24
  25 SdrOutlinerCache::SdrOutlinerCache( SdrModel* pModel )
  26 :   mpModel( pModel ),
  27     maModeOutline(),
  28     maModeText(),
  29     maActiveOutliners()
  30 {
  31 }
  32
  33 std::unique_ptr<SdrOutliner> SdrOutlinerCache::createOutliner( OutlinerMode nOutlinerMode )
  34 {
  35     std::unique_ptr<SdrOutliner> pOutliner;
  36
  37     if( (OutlinerMode::OutlineObject == nOutlinerMode) && !maModeOutline.empty() )
  38     {
  39         pOutliner = std::move(maModeOutline.back());
  40         maModeOutline.pop_back();
  41     }
  42     else if( (OutlinerMode::TextObject == nOutlinerMode) && !maModeText.empty() )
  43     {
  44         pOutliner = std::move(maModeText.back());
  45         maModeText.pop_back();
  46     }
  47     else
  48     {
  49         pOutliner = SdrMakeOutliner(nOutlinerMode, *mpModel);
  50         Outliner& aDrawOutliner = mpModel->GetDrawOutliner();
  51         pOutliner->SetCalcFieldValueHdl( aDrawOutliner.GetCalcFieldValueHdl() );
  52         maActiveOutliners.insert(pOutliner.get());
  53     }
  54
  55     return pOutliner;
  56 }
  57
  58 SdrOutlinerCache::~SdrOutlinerCache()
  59 {
  60 }
  61
  62 void SdrOutlinerCache::disposeOutliner( std::unique_ptr<SdrOutliner> pOutliner )
  63 {
  64     if( !pOutliner )
  65         return;
  66
  67     OutlinerMode nOutlMode = pOutliner->GetOutlinerMode();
  68
  69     if( OutlinerMode::OutlineObject == nOutlMode )
  70     {
  71         pOutliner->Clear();
  72         pOutliner->SetVertical( false );
  73
  74         // Deregister on outliner, might be reused from outliner cache
  75         pOutliner->SetNotifyHdl( Link<EENotify&,void>() );
  76         maModeOutline.emplace_back(std::move(pOutliner));
  77     }
  78     else if( OutlinerMode::TextObject == nOutlMode )
  79     {
  80         pOutliner->Clear();
  81         pOutliner->SetVertical( false );
  82
  83         // Deregister on outliner, might be reused from outliner cache
  84         pOutliner->SetNotifyHdl( Link<EENotify&,void>() );
  85         maModeText.emplace_back(std::move(pOutliner));
  86     }
  87     else
  88     {
  89         maActiveOutliners.erase(pOutliner.get());
  90     }
  91 }
  92
  93 std::vector< SdrOutliner* > SdrOutlinerCache::GetActiveOutliners() const
  94 {
  95     return std::vector< SdrOutliner* >(maActiveOutliners.begin(), maActiveOutliners.end());
  96 }
  97
  98 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */