slideshow/source/engine/animationnodes/nodetools.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_slideshow.hxx"
  33
  34 // must be first
  35 #include <canvas/debug.hxx>
  36 #include <canvas/verbosetrace.hxx>
  37
  38 #include <com/sun/star/animations/Timing.hpp>
  39
  40 #include <tools.hxx>
  41 #include <nodetools.hxx>
  42
  43
  44 using namespace ::com::sun::star;
  45
  46 namespace slideshow
  47 {
  48     namespace internal
  49     {
  50 #if defined(VERBOSE) && defined(DBG_UTIL)
  51         int& debugGetCurrentOffset()
  52         {
  53             static int lcl_nOffset = 0; // to make each tree output distinct
  54
  55             return lcl_nOffset;
  56         }
  57
  58         void debugNodesShowTree( const BaseNode* pNode )
  59         {
  60             if( pNode )
  61                 pNode->showState();
  62
  63             ++debugGetCurrentOffset();
  64         }
  65
  66         void debugNodesShowTreeWithin( const BaseNode* pNode )
  67         {
  68             if( pNode )
  69                 pNode->showTreeFromWithin();
  70
  71             ++debugGetCurrentOffset();
  72         }
  73 #endif
  74
  75         AttributableShapeSharedPtr lookupAttributableShape( const ShapeManagerSharedPtr&                                rShapeManager,
  76                                                             const uno::Reference< drawing::XShape >&    xShape                  )
  77         {
  78             ENSURE_OR_THROW( rShapeManager,
  79                               "lookupAttributableShape(): invalid ShapeManager" );
  80
  81             ShapeSharedPtr pShape( rShapeManager->lookupShape( xShape ) );
  82
  83             ENSURE_OR_THROW( pShape,
  84                               "lookupAttributableShape(): no shape found for given XShape" );
  85
  86             AttributableShapeSharedPtr pRes(
  87                 ::boost::dynamic_pointer_cast< AttributableShape >( pShape ) );
  88
  89             // TODO(E3): Cannot throw here, people might set animation info
  90             // for non-animatable shapes from the API. AnimationNodes must catch
  91             // the exception and handle that differently
  92             ENSURE_OR_THROW( pRes,
  93                               "lookupAttributableShape(): shape found does not implement AttributableShape interface" );
  94
  95             return pRes;
  96         }
  97
  98         bool isIndefiniteTiming( const uno::Any& rAny )
  99         {
 100             if( !rAny.hasValue() )
 101                 return true;
 102
 103             animations::Timing eTiming;
 104
 105             if( !(rAny >>= eTiming) ||
 106                 eTiming != animations::Timing_INDEFINITE )
 107             {
 108                 return false;
 109             }
 110
 111             return true;
 112         }
 113
 114         /// Extract the node type from the user data
 115         bool getNodeType( sal_Int16&                                                                                    o_rNodeType,
 116                           const uno::Sequence< beans::NamedValue >&                             rValues )
 117         {
 118             beans::NamedValue aNamedValue;
 119
 120             if( findNamedValue( &aNamedValue,
 121                                 rValues,
 122                                 ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM("node-type") ) ) )
 123             {
 124                 if( (aNamedValue.Value >>= o_rNodeType) )
 125                     return true;
 126             }
 127
 128             return false;
 129         }
 130     }
 131 }