LCOV - code coverage report
Current view: top level - slideshow/source/engine/slide - targetpropertiescreator.cxx (source / functions) Hit Total Coverage
Test: commit 10e77ab3ff6f4314137acd6e2702a6e5c1ce1fae Lines: 0 91 0.0 %
Date: 2014-11-03 Functions: 0 10 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       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             : #include <com/sun/star/uno/XComponentContext.hpp>
      21             : #include <com/sun/star/lang/XTypeProvider.hpp>
      22             : #include <com/sun/star/animations/XIterateContainer.hpp>
      23             : #include <com/sun/star/presentation/ParagraphTarget.hpp>
      24             : #include <com/sun/star/registry/XRegistryKey.hpp>
      25             : #include <com/sun/star/drawing/XShape.hpp>
      26             : #include <com/sun/star/animations/AnimationNodeType.hpp>
      27             : #include <com/sun/star/animations/XAnimate.hpp>
      28             : 
      29             : #include <boost/unordered_map.hpp>
      30             : #include <vector>
      31             : 
      32             : #include "targetpropertiescreator.hxx"
      33             : #include "tools.hxx"
      34             : 
      35             : namespace slideshow
      36             : {
      37             : namespace internal
      38             : {
      39             :     namespace
      40             :     {
      41             :         // Vector containing all properties for a given shape
      42             :         typedef ::std::vector< beans::NamedValue > VectorOfNamedValues;
      43             : 
      44             :         /** The hash map key
      45             : 
      46             :             This key contains both XShape reference and a paragraph
      47             :             index, as we somehow have to handle shape and paragraph
      48             :             targets with the same data structure.
      49             :          */
      50           0 :         struct ShapeHashKey
      51             :         {
      52             :             /// Shape target
      53             :             uno::Reference< drawing::XShape >   mxRef;
      54             : 
      55             :             /** Paragraph index.
      56             : 
      57             :                 If this is a pure shape target, mnParagraphIndex is
      58             :                 set to -1.
      59             :              */
      60             :             sal_Int16                           mnParagraphIndex;
      61             : 
      62             :             /// Comparison needed for boost::unordered_map
      63           0 :             bool operator==( const ShapeHashKey& rRHS ) const
      64             :             {
      65           0 :                 return mxRef == rRHS.mxRef && mnParagraphIndex == rRHS.mnParagraphIndex;
      66             :             }
      67             :         };
      68             : 
      69             :         // A hash functor for ShapeHashKey objects
      70             :         struct ShapeKeyHasher
      71             :         {
      72           0 :             ::std::size_t operator()( const ShapeHashKey& rKey ) const
      73             :             {
      74             :                 // TODO(P2): Maybe a better hash function would be to
      75             :                 // spread mnParagraphIndex to 32 bit: a0b0c0d0e0... Hakmem
      76             :                 // should have a formula.
      77             : 
      78             :                 // Yes it has:
      79             :                 // x = (x & 0x0000FF00) << 8) | (x >> 8) & 0x0000FF00 | x & 0xFF0000FF;
      80             :                 // x = (x & 0x00F000F0) << 4) | (x >> 4) & 0x00F000F0 | x & 0xF00FF00F;
      81             :                 // x = (x & 0x0C0C0C0C) << 2) | (x >> 2) & 0x0C0C0C0C | x & 0xC3C3C3C3;
      82             :                 // x = (x & 0x22222222) << 1) | (x >> 1) & 0x22222222 | x & 0x99999999;
      83             : 
      84             :                 // Costs about 17 cycles on a RISC machine with infinite
      85             :                 // instruction level parallelism (~42 basic
      86             :                 // instructions). Thus I truly doubt this pays off...
      87           0 :                 return reinterpret_cast< ::std::size_t >(rKey.mxRef.get()) ^ (rKey.mnParagraphIndex << 16L);
      88             :             }
      89             :         };
      90             : 
      91             :         // A hash map which maps a XShape to the corresponding vector of initial properties
      92             :         typedef ::boost::unordered_map< ShapeHashKey, VectorOfNamedValues, ShapeKeyHasher > XShapeHash;
      93             : 
      94             : 
      95           0 :         class NodeFunctor
      96             :         {
      97             :         public:
      98           0 :             explicit NodeFunctor( XShapeHash& rShapeHash ) :
      99             :                 mrShapeHash( rShapeHash ),
     100             :                 mxTargetShape(),
     101           0 :                 mnParagraphIndex( -1 )
     102             :             {
     103           0 :             }
     104             : 
     105           0 :             NodeFunctor( XShapeHash&                                rShapeHash,
     106             :                          const uno::Reference< drawing::XShape >&   rTargetShape,
     107             :                          sal_Int16                                  nParagraphIndex ) :
     108             :                 mrShapeHash( rShapeHash ),
     109             :                 mxTargetShape( rTargetShape ),
     110           0 :                 mnParagraphIndex( nParagraphIndex )
     111             :             {
     112           0 :             }
     113             : 
     114           0 :             void operator()( const uno::Reference< animations::XAnimationNode >& xNode ) const
     115             :             {
     116           0 :                 if( !xNode.is() )
     117             :                 {
     118             :                     OSL_FAIL( "AnimCore: NodeFunctor::operator(): invalid XAnimationNode" );
     119           0 :                     return;
     120             :                 }
     121             : 
     122           0 :                 uno::Reference< drawing::XShape > xTargetShape( mxTargetShape );
     123           0 :                 sal_Int16                         nParagraphIndex( mnParagraphIndex );
     124             : 
     125           0 :                 switch( xNode->getType() )
     126             :                 {
     127             :                     case animations::AnimationNodeType::ITERATE:
     128             :                     {
     129             :                         // extract target shape from iterate node
     130             :                         // (will override the target for all children)
     131             : 
     132             :                         uno::Reference< animations::XIterateContainer > xIterNode( xNode,
     133           0 :                                                                                    uno::UNO_QUERY );
     134             : 
     135             :                         // TODO(E1): I'm not too sure what to expect here...
     136           0 :                         if( !xIterNode->getTarget().hasValue() )
     137             :                         {
     138             :                             OSL_FAIL( "animcore: NodeFunctor::operator(): no target on ITERATE node" );
     139           0 :                             return;
     140             :                         }
     141             : 
     142           0 :                         xTargetShape.set( xIterNode->getTarget(),
     143           0 :                                           uno::UNO_QUERY );
     144             : 
     145           0 :                         if( !xTargetShape.is() )
     146             :                         {
     147           0 :                             ::com::sun::star::presentation::ParagraphTarget aTarget;
     148             : 
     149             :                             // no shape provided. Maybe a ParagraphTarget?
     150           0 :                             if( !(xIterNode->getTarget() >>= aTarget) )
     151             :                             {
     152             :                                 OSL_FAIL( "animcore: NodeFunctor::operator(): could not extract any "
     153             :                                             "target information" );
     154           0 :                                 return;
     155             :                             }
     156             : 
     157           0 :                             xTargetShape = aTarget.Shape;
     158           0 :                             nParagraphIndex = aTarget.Paragraph;
     159             : 
     160           0 :                             if( !xTargetShape.is() )
     161             :                             {
     162             :                                 OSL_FAIL( "animcore: NodeFunctor::operator(): invalid shape in ParagraphTarget" );
     163           0 :                                 return;
     164           0 :                             }
     165           0 :                         }
     166             :                     }
     167             :                         // FALLTHROUGH intended
     168             :                     case animations::AnimationNodeType::PAR:
     169             :                         // FALLTHROUGH intended
     170             :                     case animations::AnimationNodeType::SEQ:
     171             :                     {
     172             :                         NodeFunctor aFunctor( mrShapeHash,
     173             :                                               xTargetShape,
     174           0 :                                               nParagraphIndex );
     175           0 :                         if( !for_each_childNode( xNode, aFunctor ) )
     176             :                         {
     177             :                             OSL_FAIL( "AnimCore: NodeFunctor::operator(): child node iteration failed, "
     178             :                                         "or extraneous container nodes encountered" );
     179           0 :                         }
     180             :                     }
     181           0 :                     break;
     182             : 
     183             :                     case animations::AnimationNodeType::CUSTOM:
     184             :                         // FALLTHROUGH intended
     185             :                     case animations::AnimationNodeType::ANIMATE:
     186             :                         // FALLTHROUGH intended
     187             :                     case animations::AnimationNodeType::ANIMATEMOTION:
     188             :                         // FALLTHROUGH intended
     189             :                     case animations::AnimationNodeType::ANIMATECOLOR:
     190             :                         // FALLTHROUGH intended
     191             :                     case animations::AnimationNodeType::ANIMATETRANSFORM:
     192             :                         // FALLTHROUGH intended
     193             :                     case animations::AnimationNodeType::TRANSITIONFILTER:
     194             :                         // FALLTHROUGH intended
     195             :                     case animations::AnimationNodeType::AUDIO:
     196             :                         // FALLTHROUGH intended
     197             :                     /*default:
     198             :                         // ignore this node, no valuable content for now.
     199             :                         break;*/
     200             : 
     201             :                     case animations::AnimationNodeType::SET:
     202             :                     {
     203             :                         // evaluate set node content
     204             :                         uno::Reference< animations::XAnimate > xAnimateNode( xNode,
     205           0 :                                                                              uno::UNO_QUERY );
     206             : 
     207           0 :                         if( !xAnimateNode.is() )
     208           0 :                             break; // invalid node
     209             : 
     210             :                         // determine target shape (if any)
     211           0 :                         ShapeHashKey aTarget;
     212           0 :                         if( xTargetShape.is() )
     213             :                         {
     214             :                             // override target shape with parent-supplied
     215           0 :                             aTarget.mxRef = xTargetShape;
     216           0 :                             aTarget.mnParagraphIndex = nParagraphIndex;
     217             :                         }
     218             :                         else
     219             :                         {
     220             :                             // no parent-supplied target, retrieve
     221             :                             // node target
     222           0 :                             if( (xAnimateNode->getTarget() >>= aTarget.mxRef) )
     223             :                             {
     224             :                                 // pure shape target - set paragraph
     225             :                                 // index to magic
     226           0 :                                 aTarget.mnParagraphIndex = -1;
     227             :                             }
     228             :                             else
     229             :                             {
     230             :                                 // not a pure shape target - maybe a
     231             :                                 // ParagraphTarget?
     232           0 :                                 presentation::ParagraphTarget aUnoTarget;
     233             : 
     234           0 :                                 if( !(xAnimateNode->getTarget() >>= aUnoTarget) )
     235             :                                 {
     236             :                                     OSL_FAIL( "AnimCore: NodeFunctor::operator(): unknown target type encountered" );
     237           0 :                                     break;
     238             :                                 }
     239             : 
     240           0 :                                 aTarget.mxRef = aUnoTarget.Shape;
     241           0 :                                 aTarget.mnParagraphIndex = aUnoTarget.Paragraph;
     242             :                             }
     243             :                         }
     244             : 
     245           0 :                         if( !aTarget.mxRef.is() )
     246             :                         {
     247             :                             OSL_FAIL( "AnimCore: NodeFunctor::operator(): Found target, but XShape is NULL" );
     248           0 :                             break; // invalid target XShape
     249             :                         }
     250             : 
     251             :                         // check whether we already have an entry for
     252             :                         // this target (we only take the first set
     253             :                         // effect for every shape)
     254           0 :                         XShapeHash::const_iterator aIter;
     255           0 :                         if( (aIter=mrShapeHash.find( aTarget )) != mrShapeHash.end() )
     256           0 :                             break; // already an entry in existence for given XShape
     257             : 
     258             :                         // if this is an appear effect, hide shape
     259             :                         // initially. This is currently the only place
     260             :                         // where a shape effect influences shape
     261             :                         // attributes outside it's effective duration.
     262           0 :                         bool bVisible( false );
     263           0 :                         if( xAnimateNode->getAttributeName().equalsIgnoreAsciiCase("visibility") )
     264             :                         {
     265             : 
     266           0 :                             uno::Any aAny( xAnimateNode->getTo() );
     267             : 
     268             :                             // try to extract bool value
     269           0 :                             if( !(aAny >>= bVisible) )
     270             :                             {
     271             :                                 // try to extract string
     272           0 :                                 OUString aString;
     273           0 :                                 if( (aAny >>= aString) )
     274             :                                 {
     275             :                                     // we also take the strings "true" and "false",
     276             :                                     // as well as "on" and "off" here
     277           0 :                                     if( aString.equalsIgnoreAsciiCase("true") ||
     278           0 :                                         aString.equalsIgnoreAsciiCase("on") )
     279             :                                     {
     280           0 :                                         bVisible = true;
     281             :                                     }
     282           0 :                                     if( aString.equalsIgnoreAsciiCase("false") ||
     283           0 :                                         aString.equalsIgnoreAsciiCase("off") )
     284             :                                     {
     285           0 :                                         bVisible = false;
     286             :                                     }
     287           0 :                                 }
     288           0 :                             }
     289             :                         }
     290             :                         // target is set the 'visible' value,
     291             :                         // so we should record the opposite value
     292             :                         mrShapeHash.insert(
     293             :                                     XShapeHash::value_type(
     294             :                                         aTarget,
     295             :                                         VectorOfNamedValues(
     296             :                                             1,
     297             :                                             beans::NamedValue(
     298             :                                                 //xAnimateNode->getAttributeName(),
     299             :                                                 OUString("visibility"),
     300           0 :                                                 uno::makeAny( !bVisible ) ) ) ) );
     301           0 :                     break;
     302             :                     }
     303           0 :                 }
     304             :             }
     305             : 
     306             :         private:
     307             :             XShapeHash&                         mrShapeHash;
     308             :             uno::Reference< drawing::XShape >   mxTargetShape;
     309             :             sal_Int16                           mnParagraphIndex;
     310             :         };
     311             :     }
     312             : 
     313           0 :     uno::Sequence< animations::TargetProperties > SAL_CALL TargetPropertiesCreator::createInitialTargetProperties
     314             :         (
     315             :             const uno::Reference< animations::XAnimationNode >& xRootNode
     316             :         ) //throw (uno::RuntimeException, std::exception)
     317             :     {
     318             :         // scan all nodes for visibility changes, and record first
     319             :         // 'visibility=true' for each shape
     320           0 :         XShapeHash aShapeHash( 101 );
     321             : 
     322           0 :         NodeFunctor aFunctor( aShapeHash );
     323             : 
     324             :         // TODO(F1): Maybe limit functor application to main sequence
     325             :         // alone (CL said something that shape visibility is only
     326             :         // affected by effects in the main sequence for PPT).
     327             : 
     328             :         // OTOH, client code can pass us only the main sequence (which
     329             :         // it actually does right now, for the slideshow implementation).
     330           0 :         aFunctor( xRootNode );
     331             : 
     332             :         // output to result sequence
     333           0 :         uno::Sequence< animations::TargetProperties > aRes( aShapeHash.size() );
     334             : 
     335           0 :         ::std::size_t                       nCurrIndex(0);
     336           0 :         XShapeHash::const_iterator          aCurr( aShapeHash.begin() );
     337           0 :         const XShapeHash::const_iterator    aEnd ( aShapeHash.end()   );
     338           0 :         while( aCurr != aEnd )
     339             :         {
     340           0 :             animations::TargetProperties& rCurrProps( aRes[ nCurrIndex++ ] );
     341             : 
     342           0 :             if( aCurr->first.mnParagraphIndex == -1 )
     343             :             {
     344           0 :                 rCurrProps.Target = uno::makeAny( aCurr->first.mxRef );
     345             :             }
     346             :             else
     347             :             {
     348           0 :                 rCurrProps.Target = uno::makeAny(
     349             :                     presentation::ParagraphTarget(
     350           0 :                         aCurr->first.mxRef,
     351           0 :                         aCurr->first.mnParagraphIndex ) );
     352             :             }
     353             : 
     354           0 :             rCurrProps.Properties = ::comphelper::containerToSequence( aCurr->second );
     355             : 
     356           0 :             ++aCurr;
     357             :         }
     358             : 
     359           0 :         return aRes;
     360             :     }
     361             : 
     362             : } // namespace internal
     363             : } // namespace slideshow
     364             : 
     365             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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