sd/source/core/annotations/AnnotationEnumeration.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 <sal/config.h>
  21
  22 #include <cppuhelper/implbase.hxx>
  23 #include <com/sun/star/container/NoSuchElementException.hpp>
  24 #include <com/sun/star/office/XAnnotationEnumeration.hpp>
  25
  26 #include <AnnotationEnumeration.hxx>
  27 #include <sdpage.hxx>
  28
  29 using namespace ::com::sun::star::uno;
  30 using namespace ::com::sun::star::office;
  31 using namespace ::com::sun::star::container;
  32 using namespace ::com::sun::star::lang;
  33
  34 namespace sd {
  35
  36 namespace {
  37
  38 class AnnotationEnumeration: public ::cppu::WeakImplHelper< css::office::XAnnotationEnumeration >
  39 {
  40 public:
  41     explicit AnnotationEnumeration( AnnotationVector&& rAnnotations );
  42     AnnotationEnumeration(const AnnotationEnumeration&) = delete;
  43     AnnotationEnumeration& operator=(const AnnotationEnumeration&) = delete;
  44
  45     // css::office::XAnnotationEnumeration:
  46     virtual sal_Bool SAL_CALL hasMoreElements() override;
  47     virtual css::uno::Reference< css::office::XAnnotation > SAL_CALL nextElement() override;
  48
  49 private:
  50     // destructor is private and will be called indirectly by the release call    virtual ~AnnotationEnumeration() {}
  51
  52     AnnotationVector maAnnotations;
  53     AnnotationVector::iterator maIter;
  54 };
  55
  56 }
  57
  58 Reference< XAnnotationEnumeration > createAnnotationEnumeration( sd::AnnotationVector&& rAnnotations )
  59 {
  60     return new AnnotationEnumeration( std::move(rAnnotations) );
  61 }
  62
  63 AnnotationEnumeration::AnnotationEnumeration( AnnotationVector&& rAnnotations )
  64 : maAnnotations(std::move(rAnnotations))
  65 {
  66     maIter = maAnnotations.begin();
  67 }
  68
  69 // css::office::XAnnotationEnumeration:
  70 sal_Bool SAL_CALL AnnotationEnumeration::hasMoreElements()
  71 {
  72     return maIter != maAnnotations.end();
  73 }
  74
  75 css::uno::Reference< css::office::XAnnotation > SAL_CALL AnnotationEnumeration::nextElement()
  76 {
  77     if( maIter == maAnnotations.end() )
  78         throw css::container::NoSuchElementException();
  79
  80     return (*maIter++);
  81 }
  82
  83 } // namespace sd
  84
  85 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */