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 <canvas/debug.hxx>
  24 #include <osl/diagnose.h>
  25
  26 #include <boost/bind.hpp>
  27
  28 #include <algorithm>
  29
  30
  31 using namespace ::com::sun::star;
  32
  33
  34
  35 namespace slideshow
  36 {
  37     namespace internal
  38     {
  39         UnoViewContainer::UnoViewContainer() :
  40             maViews()
  41         {
  42         }
  43
  44         bool UnoViewContainer::addView( const UnoViewSharedPtr& rView )
  45         {
  46             // check whether same view is already added
  47
  48             // already added?
  49             if( ::std::any_of( maViews.begin(),
  50                                maViews.end(),
  51                                ::boost::bind(
  52                                     ::std::equal_to< uno::Reference< presentation::XSlideShowView > >(),
  53                                     rView->getUnoView(),
  54                                     ::boost::bind(
  55                                         &UnoView::getUnoView,
  56                                         _1 ) ) ) )
  57             {
  58                 // yes, nothing to do
  59                 return false;
  60             }
  61
  62             // add locally
  63             maViews.push_back( rView );
  64
  65             return true;
  66         }
  67
  68         UnoViewSharedPtr UnoViewContainer::removeView( const uno::Reference< presentation::XSlideShowView >& xView )
  69         {
  70             // check whether same view is already added
  71             const UnoViewVector::iterator aEnd( maViews.end() );
  72             UnoViewVector::iterator aIter;
  73
  74             // added in the first place?
  75             if( (aIter=::std::find_if( maViews.begin(),
  76                                        aEnd,
  77                                        ::boost::bind(
  78                                            ::std::equal_to< uno::Reference< presentation::XSlideShowView > >(),
  79                                            ::boost::cref( xView ),
  80                                            ::boost::bind(
  81                                                &UnoView::getUnoView,
  82                                                _1 ) ) ) ) == aEnd )
  83             {
  84                 // nope, nothing to do
  85                 return UnoViewSharedPtr();
  86             }
  87
  88             OSL_ENSURE(
  89                 ::std::count_if(
  90                     maViews.begin(),
  91                     aEnd,
  92                     ::boost::bind(
  93                         ::std::equal_to< uno::Reference< presentation::XSlideShowView > >(),
  94                         ::boost::cref( xView ),
  95                         ::boost::bind(
  96                             &UnoView::getUnoView,
  97                             _1 ))) == 1,
  98                 "UnoViewContainer::removeView(): View was added multiple times" );
  99
 100             UnoViewSharedPtr pView( *aIter );
 101
 102             // actually erase from container
 103             maViews.erase( aIter );
 104
 105             return pView;
 106         }
 107
 108         void UnoViewContainer::dispose()
 109         {
 110             ::std::for_each( maViews.begin(),
 111                              maViews.end(),
 112                              ::boost::mem_fn(&UnoView::_dispose) );
 113             maViews.clear();
 114         }
 115     }
 116 }
 117
 118 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */