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 // must be first
  22 #include <canvas/debug.hxx>
  23 #include <tools/diagnose_ex.h>
  24
  25 #include <comphelper/anytostring.hxx>
  26 #include <cppuhelper/exc_hlp.hxx>
  27
  28 #include "slideanimations.hxx"
  29 #include "animationnodefactory.hxx"
  30
  31 using namespace ::com::sun::star;
  32
  33 namespace slideshow
  34 {
  35     namespace internal
  36     {
  37         SlideAnimations::SlideAnimations( const SlideShowContext&     rContext,
  38                                           const ::basegfx::B2DVector& rSlideSize ) :
  39             maContext( rContext ),
  40             maSlideSize( rSlideSize ),
  41             mpRootNode()
  42         {
  43             ENSURE_OR_THROW( maContext.mpSubsettableShapeManager,
  44                               "SlideAnimations::SlideAnimations(): Invalid SlideShowContext" );
  45         }
  46
  47         SlideAnimations::~SlideAnimations()
  48         {
  49             if( mpRootNode )
  50             {
  51                 SHOW_NODE_TREE( mpRootNode );
  52
  53                 try
  54                 {
  55                     mpRootNode->dispose();
  56                 }
  57                 catch (uno::Exception &)
  58                 {
  59                     OSL_FAIL( OUStringToOString(
  60                                     comphelper::anyToString(
  61                                         cppu::getCaughtException() ),
  62                                     RTL_TEXTENCODING_UTF8 ).getStr() );
  63                 }
  64             }
  65         }
  66
  67         bool SlideAnimations::importAnimations( const uno::Reference< animations::XAnimationNode >& xRootAnimationNode )
  68         {
  69             mpRootNode = AnimationNodeFactory::createAnimationNode(
  70                 xRootAnimationNode,
  71                 maSlideSize,
  72                 maContext );
  73
  74             SHOW_NODE_TREE( mpRootNode );
  75
  76             return static_cast< bool >(mpRootNode);
  77         }
  78
  79         bool SlideAnimations::isAnimated() const
  80         {
  81             if( !mpRootNode )
  82                 return false; // no animations there
  83
  84             // query root node about pending animations
  85             return mpRootNode->hasPendingAnimation();
  86         }
  87
  88         bool SlideAnimations::start()
  89         {
  90             if( !mpRootNode )
  91                 return false; // no animations there
  92
  93             // init all nodes
  94             if( !mpRootNode->init() )
  95                 return false;
  96
  97             // resolve root node
  98             if( !mpRootNode->resolve() )
  99                 return false;
 100
 101             return true;
 102         }
 103
 104         void SlideAnimations::end()
 105         {
 106             if( !mpRootNode )
 107                 return; // no animations there
 108
 109             // end root node
 110             mpRootNode->deactivate();
 111             mpRootNode->end();
 112         }
 113
 114     }
 115 }
 116
 117 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */