slideshow/source/engine/slide/slideanimations.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 #include <tools/diagnose_ex.h>
  22
  23 #include <comphelper/anytostring.hxx>
  24 #include <cppuhelper/exc_hlp.hxx>
  25
  26 #include "slideanimations.hxx"
  27 #include <animationnodefactory.hxx>
  28
  29 using namespace ::com::sun::star;
  30
  31 namespace slideshow
  32 {
  33     namespace internal
  34     {
  35         SlideAnimations::SlideAnimations( const SlideShowContext&     rContext,
  36                                           const ::basegfx::B2DVector& rSlideSize ) :
  37             maContext( rContext ),
  38             maSlideSize( rSlideSize ),
  39             mpRootNode()
  40         {
  41             ENSURE_OR_THROW( maContext.mpSubsettableShapeManager,
  42                               "SlideAnimations::SlideAnimations(): Invalid SlideShowContext" );
  43         }
  44
  45         SlideAnimations::~SlideAnimations()
  46         {
  47             if( mpRootNode )
  48             {
  49                 SHOW_NODE_TREE( mpRootNode );
  50
  51                 try
  52                 {
  53                     mpRootNode->dispose();
  54                 }
  55                 catch (uno::Exception &)
  56                 {
  57                     SAL_WARN( "slideshow", comphelper::anyToString(cppu::getCaughtException() ) );
  58                 }
  59             }
  60         }
  61
  62         bool SlideAnimations::importAnimations( const uno::Reference< animations::XAnimationNode >& xRootAnimationNode )
  63         {
  64             mpRootNode = AnimationNodeFactory::createAnimationNode(
  65                 xRootAnimationNode,
  66                 maSlideSize,
  67                 maContext );
  68
  69             SHOW_NODE_TREE( mpRootNode );
  70
  71             return static_cast< bool >(mpRootNode);
  72         }
  73
  74         bool SlideAnimations::isAnimated() const
  75         {
  76             if( !mpRootNode )
  77                 return false; // no animations there
  78
  79             // query root node about pending animations
  80             return mpRootNode->hasPendingAnimation();
  81         }
  82
  83         bool SlideAnimations::start()
  84         {
  85             if( !mpRootNode )
  86                 return false; // no animations there
  87
  88             // init all nodes
  89             if( !mpRootNode->init() )
  90                 return false;
  91
  92             // resolve root node
  93             if( !mpRootNode->resolve() )
  94                 return false;
  95
  96             return true;
  97         }
  98
  99         void SlideAnimations::end()
 100         {
 101             if( !mpRootNode )
 102                 return; // no animations there
 103
 104             // end root node
 105             mpRootNode->deactivate();
 106             mpRootNode->end();
 107         }
 108
 109     }
 110 }
 111
 112 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */