sd/inc/customshowlist.hxx

   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 #ifndef INCLUDED_SD_INC_CUSTOMSHOWLIST_HXX
  21 #define INCLUDED_SD_INC_CUSTOMSHOWLIST_HXX
  22
  23 #include "sddllapi.h"
  24 #include "cusshow.hxx"
  25 #include <vector>
  26 #include <memory>
  27 #include <algorithm>
  28 #include <cassert>
  29
  30 class SD_DLLPUBLIC SdCustomShowList
  31 {
  32 private:
  33     std::vector<std::unique_ptr<SdCustomShow>> mShows;
  34    sal_uInt16 mnCurPos;
  35 public:
  36     SdCustomShowList()
  37         : mShows(), mnCurPos(0)
  38     {
  39     }
  40
  41     SdCustomShowList& operator=( SdCustomShowList const & ) = delete; // MSVC2017 workaround
  42     SdCustomShowList( SdCustomShowList const & ) = delete; // MSVC2017 workaround
  43
  44     bool empty() const {return mShows.empty();}
  45
  46     size_t size() const {return mShows.size();}
  47
  48     std::unique_ptr<SdCustomShow>& operator[](size_t i) {return mShows[i];}
  49
  50     std::vector<std::unique_ptr<SdCustomShow>>::iterator begin() {return mShows.begin();}
  51
  52     void erase(std::vector<std::unique_ptr<SdCustomShow>>::iterator it);
  53
  54     void push_back(std::unique_ptr<SdCustomShow> p) {mShows.push_back(std::move(p));}
  55
  56     sal_uInt16 GetCurPos() const { return mnCurPos; }
  57     void Seek(sal_uInt16 nNewPos) { mnCurPos = nNewPos; }
  58
  59     SdCustomShow* First()
  60     {
  61         if( mShows.empty() )
  62             return nullptr;
  63         mnCurPos = 0;
  64         return mShows[mnCurPos].get();
  65     }
  66     SdCustomShow* Next()
  67     {
  68         ++mnCurPos;
  69         return mnCurPos >= mShows.size() ? nullptr : mShows[mnCurPos].get();
  70     }
  71     void Last()
  72     {
  73         if( !mShows.empty() )
  74             mnCurPos = mShows.size() - 1;
  75     }
  76     SdCustomShow* GetCurObject()
  77     {
  78         return mShows.empty() ? nullptr : mShows[mnCurPos].get();
  79     }
  80     void erase(const SdCustomShow* p)
  81     {
  82         auto it = std::find_if(mShows.begin(), mShows.end(),
  83                 [&] (std::unique_ptr<SdCustomShow> const &i) { return i.get() == p; });
  84         assert( it != mShows.end() );
  85         if( it != mShows.end() )
  86             mShows.erase(it);
  87     }
  88 };
  89
  90 #endif // INCLUDED_SD_INC_CUSTOMSHOWLIST_HXX
  91
  92 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */