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