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