slideshow/source/engine/unoviewcontainer.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_slideshow.hxx"
  33
  34 #include <canvas/debug.hxx>
  35 #include <unoviewcontainer.hxx>
  36
  37 #include <boost/bind.hpp>
  38
  39 #include <algorithm>
  40
  41
  42 using namespace ::com::sun::star;
  43
  44 // -----------------------------------------------------------------------------
  45
  46 namespace slideshow
  47 {
  48     namespace internal
  49     {
  50         UnoViewContainer::UnoViewContainer() :
  51             maViews()
  52         {
  53         }
  54
  55         bool UnoViewContainer::addView( const UnoViewSharedPtr& rView )
  56         {
  57             // check whether same view is already added
  58             const UnoViewVector::iterator aEnd( maViews.end() );
  59
  60             // already added?
  61             if( ::std::find_if( maViews.begin(),
  62                                 aEnd,
  63                                 ::boost::bind(
  64                                     ::std::equal_to< uno::Reference< presentation::XSlideShowView > >(),
  65                                     ::boost::cref( rView->getUnoView() ),
  66                                     ::boost::bind(
  67                                         &UnoView::getUnoView,
  68                                         _1 ) ) ) != aEnd )
  69             {
  70                 // yes, nothing to do
  71                 return false;
  72             }
  73
  74             // add locally
  75             maViews.push_back( rView );
  76
  77             return true;
  78         }
  79
  80         UnoViewSharedPtr UnoViewContainer::removeView( const uno::Reference< presentation::XSlideShowView >& xView )
  81         {
  82             // check whether same view is already added
  83             const UnoViewVector::iterator aEnd( maViews.end() );
  84             UnoViewVector::iterator aIter;
  85
  86             // added in the first place?
  87             if( (aIter=::std::find_if( maViews.begin(),
  88                                        aEnd,
  89                                        ::boost::bind(
  90                                            ::std::equal_to< uno::Reference< presentation::XSlideShowView > >(),
  91                                            ::boost::cref( xView ),
  92                                            ::boost::bind(
  93                                                &UnoView::getUnoView,
  94                                                _1 ) ) ) ) == aEnd )
  95             {
  96                 // nope, nothing to do
  97                 return UnoViewSharedPtr();
  98             }
  99
 100             OSL_ENSURE(
 101                 ::std::count_if(
 102                     maViews.begin(),
 103                     aEnd,
 104                     ::boost::bind(
 105                         ::std::equal_to< uno::Reference< presentation::XSlideShowView > >(),
 106                         ::boost::cref( xView ),
 107                         ::boost::bind(
 108                             &UnoView::getUnoView,
 109                             _1 ))) == 1,
 110                 "UnoViewContainer::removeView(): View was added multiple times" );
 111
 112             UnoViewSharedPtr pView( *aIter );
 113
 114             // actually erase from container
 115             maViews.erase( aIter );
 116
 117             return pView;
 118         }
 119
 120         bool UnoViewContainer::removeView( const UnoViewSharedPtr& rView )
 121         {
 122             // remove locally
 123             const UnoViewVector::iterator aEnd( maViews.end() );
 124             UnoViewVector::iterator aIter;
 125             if( (aIter=::std::find( maViews.begin(),
 126                                     aEnd,
 127                                     rView )) == aEnd )
 128             {
 129                 // view seemingly was not added, failed
 130                 return false;
 131             }
 132
 133             OSL_ENSURE( ::std::count( maViews.begin(),
 134                                       aEnd,
 135                                       rView ) == 1,
 136                         "UnoViewContainer::removeView(): View was added multiple times" );
 137
 138             // actually erase from container
 139             maViews.erase( aIter );
 140
 141             return true;
 142         }
 143
 144         void UnoViewContainer::dispose()
 145         {
 146             ::std::for_each( maViews.begin(),
 147                              maViews.end(),
 148                              ::boost::mem_fn(&UnoView::_dispose) );
 149             maViews.clear();
 150         }
 151     }
 152 }