slideshow/source/engine/slide/slideanimations.cxx

   1 /*************************************************************************
   2  *
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * Copyright 2008 by Sun Microsystems, Inc.
   6  *
   7  * OpenOffice.org - a multi-platform office productivity suite
   8  *
   9  * $RCSfile: slideanimations.cxx,v $
  10  * $Revision: 1.4 $
  11  *
  12  * This file is part of OpenOffice.org.
  13  *
  14  * OpenOffice.org is free software: you can redistribute it and/or modify
  15  * it under the terms of the GNU Lesser General Public License version 3
  16  * only, as published by the Free Software Foundation.
  17  *
  18  * OpenOffice.org is distributed in the hope that it will be useful,
  19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  * GNU Lesser General Public License version 3 for more details
  22  * (a copy is included in the LICENSE file that accompanied this code).
  23  *
  24  * You should have received a copy of the GNU Lesser General Public License
  25  * version 3 along with OpenOffice.org.  If not, see
  26  * <http://www.openoffice.org/license.html>
  27  * for a copy of the LGPLv3 License.
  28  *
  29  ************************************************************************/
  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 <tools/diagnose_ex.h>
  37 #include <tools/diagnose_ex.h>
  38
  39 #include <comphelper/anytostring.hxx>
  40 #include <cppuhelper/exc_hlp.hxx>
  41
  42 #include "slideanimations.hxx"
  43 #include "animationnodefactory.hxx"
  44
  45 using namespace ::com::sun::star;
  46
  47 namespace slideshow
  48 {
  49     namespace internal
  50     {
  51         SlideAnimations::SlideAnimations( const SlideShowContext&     rContext,
  52                                           const ::basegfx::B2DVector& rSlideSize ) :
  53             maContext( rContext ),
  54             maSlideSize( rSlideSize ),
  55             mpRootNode()
  56         {
  57             ENSURE_OR_THROW( maContext.mpSubsettableShapeManager,
  58                               "SlideAnimations::SlideAnimations(): Invalid SlideShowContext" );
  59         }
  60
  61         SlideAnimations::~SlideAnimations()
  62         {
  63             if( mpRootNode )
  64             {
  65                 SHOW_NODE_TREE( mpRootNode );
  66
  67                 try
  68                 {
  69                     mpRootNode->dispose();
  70                 }
  71                 catch (uno::Exception &)
  72                 {
  73                     OSL_ENSURE( false, rtl::OUStringToOString(
  74                                     comphelper::anyToString(
  75                                         cppu::getCaughtException() ),
  76                                     RTL_TEXTENCODING_UTF8 ).getStr() );
  77                 }
  78             }
  79         }
  80
  81         bool SlideAnimations::importAnimations( const uno::Reference< animations::XAnimationNode >& xRootAnimationNode )
  82         {
  83             mpRootNode = AnimationNodeFactory::createAnimationNode(
  84                 xRootAnimationNode,
  85                 maSlideSize,
  86                 maContext );
  87
  88             SHOW_NODE_TREE( mpRootNode );
  89
  90             return mpRootNode;
  91         }
  92
  93         bool SlideAnimations::isAnimated() const
  94         {
  95             if( !mpRootNode )
  96                 return false; // no animations there
  97
  98             // query root node about pending animations
  99             return mpRootNode->hasPendingAnimation();
 100         }
 101
 102         bool SlideAnimations::start()
 103         {
 104             if( !mpRootNode )
 105                 return false; // no animations there
 106
 107             // init all nodes
 108             if( !mpRootNode->init() )
 109                 return false;
 110
 111             // resolve root node
 112             if( !mpRootNode->resolve() )
 113                 return false;
 114
 115             return true;
 116         }
 117
 118         void SlideAnimations::end()
 119         {
 120             if( !mpRootNode )
 121                 return; // no animations there
 122
 123             // end root node
 124             mpRootNode->deactivate();
 125             mpRootNode->end();
 126         }
 127
 128         void SlideAnimations::dispose()
 129         {
 130             mpRootNode.reset();
 131             maContext.dispose();
 132         }
 133     }
 134 }