632fc28fda
because the std::list is atrociously bad at checking if the element already exists when the number of shapes gets large. Shaves 5% off the load time Change-Id: I6b8f972f8ff9559c363c084d91adea88b1267d3f Reviewed-on: https://gerrit.libreoffice.org/c/core/+/164597 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
140 lines
3.5 KiB
C++
140 lines
3.5 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <svx/svdobj.hxx>
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#include <osl/diagnose.h>
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#include <shapelist.hxx>
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#include <algorithm>
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using namespace sd;
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ShapeList::ShapeList()
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{
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maIter = maShapeList.end();
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}
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ShapeList::~ShapeList()
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{
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clear();
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}
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/** adds the given shape to this list */
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void ShapeList::addShape( SdrObject& rObject )
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{
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if( maShapeSet.insert(&rObject).second )
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{
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maShapeList.push_back(&rObject);
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rObject.AddObjectUser( *this );
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}
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else
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{
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OSL_FAIL("sd::ShapeList::addShape(), given shape already part of list!");
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}
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}
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/** removes the given shape from this list */
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void ShapeList::removeShape( SdrObject& rObject )
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{
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if( maShapeSet.erase(&rObject) )
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{
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ListImpl::iterator aIter( std::find( maShapeList.begin(), maShapeList.end(), &rObject ) );
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bool bIterErased = aIter == maIter;
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(*aIter)->RemoveObjectUser(*this);
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aIter = maShapeList.erase( aIter );
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if( bIterErased )
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maIter = aIter;
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}
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else
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{
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OSL_FAIL("sd::ShapeList::removeShape(), given shape not part of list!");
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}
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}
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/** removes all shapes from this list
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NOTE: iterators will become invalid */
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void ShapeList::clear()
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{
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ListImpl aShapeList;
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aShapeList.swap( maShapeList );
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maShapeSet.clear();
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for( auto& rpShape : aShapeList )
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rpShape->RemoveObjectUser(*this);
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maIter = maShapeList.end();
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}
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/** returns true if this list is empty */
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bool ShapeList::isEmpty() const
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{
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return maShapeList.empty();
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}
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/** returns true if given shape is part of this list */
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bool ShapeList::hasShape( SdrObject& rObject ) const
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{
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return maShapeSet.contains( &rObject );
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}
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void ShapeList::ObjectInDestruction(const SdrObject& rObject)
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{
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if( maShapeSet.erase(&rObject) )
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{
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ListImpl::iterator aIter( std::find( maShapeList.begin(), maShapeList.end(), &rObject ) );
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bool bIterErased = aIter == maIter;
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aIter = maShapeList.erase( aIter );
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if( bIterErased )
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maIter = aIter;
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}
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else
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{
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OSL_FAIL("sd::ShapeList::ObjectInDestruction(), got a call from an unknown friend!");
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}
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}
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SdrObject* ShapeList::getNextShape()
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{
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if( maIter != maShapeList.end() )
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{
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return (*maIter++);
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}
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else
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{
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return nullptr;
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}
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}
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void ShapeList::seekShape( sal_uInt32 nIndex )
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{
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maIter = maShapeList.begin();
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nIndex = std::min(nIndex, static_cast<sal_uInt32>(maShapeList.size()));
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std::advance(maIter, nIndex);
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}
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bool ShapeList::hasMore() const
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{
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return maIter != maShapeList.end();
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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