slideshow/source/engine/animationnodes/nodetools.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 // must be first
  22 #include <canvas/debug.hxx>
  23 #include <canvas/verbosetrace.hxx>
  24
  25 #include <com/sun/star/animations/Timing.hpp>
  26
  27 #include <tools.hxx>
  28 #include <nodetools.hxx>
  29
  30
  31 using namespace ::com::sun::star;
  32
  33 namespace slideshow
  34 {
  35     namespace internal
  36     {
  37 #if OSL_DEBUG_LEVEL >= 2 && defined(DBG_UTIL)
  38         int& debugGetCurrentOffset()
  39         {
  40             static int lcl_nOffset = 0; // to make each tree output distinct
  41
  42             return lcl_nOffset;
  43         }
  44
  45         void debugNodesShowTree( const BaseNode* pNode )
  46         {
  47             if( pNode )
  48                 pNode->showState();
  49
  50             ++debugGetCurrentOffset();
  51         }
  52 #endif
  53
  54         AttributableShapeSharedPtr lookupAttributableShape( const ShapeManagerSharedPtr&                rShapeManager,
  55                                                             const uno::Reference< drawing::XShape >&    xShape          )
  56         {
  57             ENSURE_OR_THROW( rShapeManager,
  58                               "lookupAttributableShape(): invalid ShapeManager" );
  59
  60             ShapeSharedPtr pShape( rShapeManager->lookupShape( xShape ) );
  61
  62             ENSURE_OR_THROW( pShape,
  63                               "lookupAttributableShape(): no shape found for given XShape" );
  64
  65             AttributableShapeSharedPtr pRes(
  66                 ::boost::dynamic_pointer_cast< AttributableShape >( pShape ) );
  67
  68             // TODO(E3): Cannot throw here, people might set animation info
  69             // for non-animatable shapes from the API. AnimationNodes must catch
  70             // the exception and handle that differently
  71             ENSURE_OR_THROW( pRes,
  72                               "lookupAttributableShape(): shape found does not implement AttributableShape interface" );
  73
  74             return pRes;
  75         }
  76
  77         bool isIndefiniteTiming( const uno::Any& rAny )
  78         {
  79             if( !rAny.hasValue() )
  80                 return true;
  81
  82             animations::Timing eTiming;
  83
  84             if( !(rAny >>= eTiming) ||
  85                 eTiming != animations::Timing_INDEFINITE )
  86             {
  87                 return false;
  88             }
  89
  90             return true;
  91         }
  92
  93     }
  94 }
  95
  96 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */