slideshow/source/engine/shapesubset.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
  21 #include <tools/diagnose_ex.h>
  22
  23 #include <comphelper/anytostring.hxx>
  24 #include <cppuhelper/exc_hlp.hxx>
  25
  26 #include <shapesubset.hxx>
  27
  28
  29 using namespace ::com::sun::star;
  30
  31 namespace slideshow
  32 {
  33     namespace internal
  34     {
  35         ShapeSubset::ShapeSubset( const AttributableShapeSharedPtr&       rOriginalShape,
  36                                   const DocTreeNode&                      rTreeNode,
  37                                   const SubsettableShapeManagerSharedPtr& rShapeManager ) :
  38             mpOriginalShape( rOriginalShape ),
  39             mpSubsetShape(),
  40             maTreeNode( rTreeNode ),
  41             mpShapeManager( rShapeManager )
  42         {
  43             ENSURE_OR_THROW( mpShapeManager,
  44                               "ShapeSubset::ShapeSubset(): Invalid shape manager" );
  45         }
  46
  47         ShapeSubset::ShapeSubset( const ShapeSubsetSharedPtr&   rOriginalSubset,
  48                                   const DocTreeNode&            rTreeNode ) :
  49             mpOriginalShape( rOriginalSubset->mpSubsetShape ?
  50                              rOriginalSubset->mpSubsetShape :
  51                              rOriginalSubset->mpOriginalShape ),
  52             mpSubsetShape(),
  53             maTreeNode( rTreeNode ),
  54             mpShapeManager( rOriginalSubset->mpShapeManager )
  55         {
  56             ENSURE_OR_THROW( mpShapeManager,
  57                               "ShapeSubset::ShapeSubset(): Invalid shape manager" );
  58             ENSURE_OR_THROW( rOriginalSubset->maTreeNode.isEmpty() ||
  59                               (rTreeNode.getStartIndex() >= rOriginalSubset->maTreeNode.getStartIndex() &&
  60                                rTreeNode.getEndIndex() <= rOriginalSubset->maTreeNode.getEndIndex()),
  61                               "ShapeSubset::ShapeSubset(): Subset is bigger than parent" );
  62         }
  63
  64         ShapeSubset::ShapeSubset( const AttributableShapeSharedPtr&       rOriginalShape,
  65                                   const SubsettableShapeManagerSharedPtr& rShapeManager ) :
  66             mpOriginalShape( rOriginalShape ),
  67             mpSubsetShape(),
  68             maTreeNode(),
  69             mpShapeManager( rShapeManager )
  70         {
  71             ENSURE_OR_THROW( mpShapeManager,
  72                               "ShapeSubset::ShapeSubset(): Invalid shape manager" );
  73         }
  74
  75         ShapeSubset::~ShapeSubset()
  76         {
  77             try
  78             {
  79                 // if not done yet: revoke subset from original
  80                 disableSubsetShape();
  81             }
  82             catch (const uno::Exception& e)
  83             {
  84                 SAL_WARN("slideshow", e);
  85             }
  86         }
  87
  88         AttributableShapeSharedPtr const & ShapeSubset::getSubsetShape() const
  89         {
  90             return mpSubsetShape ? mpSubsetShape : mpOriginalShape;
  91         }
  92
  93         void ShapeSubset::enableSubsetShape()
  94         {
  95             if( !mpSubsetShape &&
  96                 !maTreeNode.isEmpty() )
  97             {
  98                 mpSubsetShape = mpShapeManager->getSubsetShape(
  99                     mpOriginalShape,
 100                     maTreeNode );
 101             }
 102         }
 103
 104         void ShapeSubset::disableSubsetShape()
 105         {
 106             if( mpSubsetShape )
 107             {
 108                 mpShapeManager->revokeSubset( mpOriginalShape,
 109                                               mpSubsetShape );
 110                 mpSubsetShape.reset();
 111             }
 112         }
 113
 114         bool ShapeSubset::isFullSet() const
 115         {
 116             return maTreeNode.isEmpty();
 117         }
 118
 119         const DocTreeNode& ShapeSubset::getSubset() const
 120         {
 121             return maTreeNode;
 122         }
 123
 124     }
 125 }
 126
 127 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */