1 files changed, 121 insertions, 0 deletions
diff --git a/slideshow/source/engine/shapesubset.cxx b/slideshow/source/engine/shapesubset.cxx
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+++ b/slideshow/source/engine/shapesubset.cxx
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+/* -*- 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 <tools/diagnose_ex.h>
+
+#include <shapesubset.hxx>
+
+
+using namespace ::com::sun::star;
+
+namespace slideshow::internal
+{
+        ShapeSubset::ShapeSubset( const AttributableShapeSharedPtr&       rOriginalShape,
+                                  const DocTreeNode&                      rTreeNode,
+                                  const SubsettableShapeManagerSharedPtr& rShapeManager ) :
+            mpOriginalShape( rOriginalShape ),
+            mpSubsetShape(),
+            maTreeNode( rTreeNode ),
+            mpShapeManager( rShapeManager )
+        {
+            ENSURE_OR_THROW( mpShapeManager,
+                              "ShapeSubset::ShapeSubset(): Invalid shape manager" );
+        }
+
+        ShapeSubset::ShapeSubset( const ShapeSubsetSharedPtr&   rOriginalSubset,
+                                  const DocTreeNode&            rTreeNode ) :
+            mpOriginalShape( rOriginalSubset->mpSubsetShape ?
+                             rOriginalSubset->mpSubsetShape :
+                             rOriginalSubset->mpOriginalShape ),
+            mpSubsetShape(),
+            maTreeNode( rTreeNode ),
+            mpShapeManager( rOriginalSubset->mpShapeManager )
+        {
+            ENSURE_OR_THROW( mpShapeManager,
+                              "ShapeSubset::ShapeSubset(): Invalid shape manager" );
+            ENSURE_OR_THROW( rOriginalSubset->maTreeNode.isEmpty() ||
+                              (rTreeNode.getStartIndex() >= rOriginalSubset->maTreeNode.getStartIndex() &&
+                               rTreeNode.getEndIndex() <= rOriginalSubset->maTreeNode.getEndIndex()),
+                              "ShapeSubset::ShapeSubset(): Subset is bigger than parent" );
+        }
+
+        ShapeSubset::ShapeSubset( const AttributableShapeSharedPtr&       rOriginalShape,
+                                  const SubsettableShapeManagerSharedPtr& rShapeManager ) :
+            mpOriginalShape( rOriginalShape ),
+            mpSubsetShape(),
+            maTreeNode(),
+            mpShapeManager( rShapeManager )
+        {
+            ENSURE_OR_THROW( mpShapeManager,
+                              "ShapeSubset::ShapeSubset(): Invalid shape manager" );
+        }
+
+        ShapeSubset::~ShapeSubset()
+        {
+            try
+            {
+                // if not done yet: revoke subset from original
+                disableSubsetShape();
+            }
+            catch (const uno::Exception&)
+            {
+                TOOLS_WARN_EXCEPTION("slideshow", "");
+            }
+        }
+
+        AttributableShapeSharedPtr const & ShapeSubset::getSubsetShape() const
+        {
+            return mpSubsetShape ? mpSubsetShape : mpOriginalShape;
+        }
+
+        void ShapeSubset::enableSubsetShape()
+        {
+            if( !mpSubsetShape &&
+                !maTreeNode.isEmpty() )
+            {
+                mpSubsetShape = mpShapeManager->getSubsetShape(
+                    mpOriginalShape,
+                    maTreeNode );
+            }
+        }
+
+        void ShapeSubset::disableSubsetShape()
+        {
+            if( mpSubsetShape )
+            {
+                mpShapeManager->revokeSubset( mpOriginalShape,
+                                              mpSubsetShape );
+                mpSubsetShape.reset();
+            }
+        }
+
+        bool ShapeSubset::isFullSet() const
+        {
+            return maTreeNode.isEmpty();
+        }
+
+        const DocTreeNode& ShapeSubset::getSubset() const
+        {
+            return maTreeNode;
+        }
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */