slideshow/source/engine/unoviewcontainer.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
  21 #include <unoviewcontainer.hxx>
  22
  23 #include <osl/diagnose.h>
  24
  25 #include <algorithm>
  26
  27
  28 using namespace ::com::sun::star;
  29
  30
  31 namespace slideshow::internal
  32 {
  33         UnoViewContainer::UnoViewContainer() :
  34             maViews()
  35         {
  36         }
  37
  38         bool UnoViewContainer::addView( const UnoViewSharedPtr& rView )
  39         {
  40             // check whether same view is already added
  41
  42             uno::Reference< presentation::XSlideShowView > rTmpView = rView->getUnoView();
  43             // already added?
  44             if( ::std::any_of( maViews.begin(),
  45                                maViews.end(),
  46                                [&rTmpView]( const UnoViewSharedPtr& pView )
  47                                { return rTmpView == pView->getUnoView(); } ) )
  48             {
  49                 // yes, nothing to do
  50                 return false;
  51             }
  52
  53             // add locally
  54             maViews.push_back( rView );
  55
  56             return true;
  57         }
  58
  59         UnoViewSharedPtr UnoViewContainer::removeView( const uno::Reference< presentation::XSlideShowView >& xView )
  60         {
  61             // check whether same view is already added
  62             const UnoViewVector::iterator aEnd( maViews.end() );
  63             UnoViewVector::iterator aIter;
  64
  65             // added in the first place?
  66             if( (aIter=::std::find_if( maViews.begin(),
  67                                        aEnd,
  68                                        [&xView]( const UnoViewSharedPtr& pView )
  69                                        { return xView == pView->getUnoView(); } )) == aEnd )
  70             {
  71                 // nope, nothing to do
  72                 return UnoViewSharedPtr();
  73             }
  74
  75             OSL_ENSURE(
  76                 ::std::count_if(
  77                     maViews.begin(),
  78                     aEnd,
  79                     [&xView]( const UnoViewSharedPtr& pView )
  80                     { return xView == pView->getUnoView(); } ) == 1,
  81                 "UnoViewContainer::removeView(): View was added multiple times" );
  82
  83             UnoViewSharedPtr pView( *aIter );
  84
  85             // actually erase from container
  86             maViews.erase( aIter );
  87
  88             return pView;
  89         }
  90
  91         void UnoViewContainer::dispose()
  92         {
  93             for( const auto& pView : maViews )
  94                 pView->_dispose();
  95             maViews.clear();
  96         }
  97 }
  98
  99 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */