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