slideshow/source/engine/animationnodes/animationcommandnode.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 <canvas/verbosetrace.hxx>
  24 #include <com/sun/star/presentation/EffectCommands.hpp>
  25 #include <com/sun/star/animations/XAnimate.hpp>
  26 #include <com/sun/star/beans/PropertyValue.hpp>
  27
  28 #include "animationcommandnode.hxx"
  29 #include "delayevent.hxx"
  30 #include "tools.hxx"
  31 #include "nodetools.hxx"
  32
  33 #include <boost/bind.hpp>
  34
  35 using namespace com::sun::star;
  36
  37 namespace slideshow {
  38 namespace internal {
  39
  40 namespace EffectCommands = com::sun::star::presentation::EffectCommands;
  41
  42 AnimationCommandNode::AnimationCommandNode( uno::Reference<animations::XAnimationNode> const& xNode,
  43                                              ::boost::shared_ptr<BaseContainerNode> const& pParent,
  44                                              NodeContext const& rContext ) :
  45     BaseNode( xNode, pParent, rContext ),
  46     mpShape(),
  47     mxCommandNode( xNode, ::com::sun::star::uno::UNO_QUERY_THROW )
  48 {
  49     uno::Reference< drawing::XShape > xShape( mxCommandNode->getTarget(),
  50                                               uno::UNO_QUERY );
  51     ShapeSharedPtr pShape( getContext().mpSubsettableShapeManager->lookupShape( xShape ) );
  52     mpShape = ::boost::dynamic_pointer_cast< IExternalMediaShapeBase >( pShape );
  53 }
  54
  55 void AnimationCommandNode::dispose()
  56 {
  57     mxCommandNode.clear();
  58     mpShape.reset();
  59     BaseNode::dispose();
  60 }
  61
  62 void AnimationCommandNode::activate_st()
  63 {
  64     switch( mxCommandNode->getCommand() ) {
  65         // the command is user defined
  66     case EffectCommands::CUSTOM: break;
  67         // the command is an ole verb.
  68     case EffectCommands::VERB: break;
  69         // the command starts playing on a media object
  70     case EffectCommands::PLAY:
  71     {
  72         double fMediaTime=0.0;
  73         beans::PropertyValue aMediaTime;
  74         if( (mxCommandNode->getParameter() >>= aMediaTime) && aMediaTime.Name == "MediaTime" )
  75         {
  76             aMediaTime.Value >>= fMediaTime;
  77         }
  78         if( mpShape )
  79         {
  80             mpShape->setMediaTime(fMediaTime/1000.0);
  81             mpShape->play();
  82         }
  83         break;
  84     }
  85         // the command toggles the pause status on a media object
  86     case EffectCommands::TOGGLEPAUSE:
  87     {
  88         if( mpShape )
  89         {
  90             if( mpShape->isPlaying() )
  91                 mpShape->pause();
  92             else
  93                 mpShape->play();
  94         }
  95         break;
  96     }
  97         // the command stops the animation on a media object
  98     case EffectCommands::STOP:
  99     {
 100         if( mpShape )
 101             mpShape->stop();
 102         break;
 103     }
 104         // the command stops all currently running sound effects
 105     case EffectCommands::STOPAUDIO:
 106         getContext().mrEventMultiplexer.notifyCommandStopAudio( getSelf() );
 107         break;
 108     }
 109
 110     // deactivate ASAP:
 111     scheduleDeactivationEvent(
 112         makeEvent( boost::bind( &AnimationNode::deactivate, getSelf() ),
 113                    "AnimationCommandNode::deactivate" ) );
 114 }
 115
 116 bool AnimationCommandNode::hasPendingAnimation() const
 117 {
 118     return mxCommandNode->getCommand() == EffectCommands::STOPAUDIO || mpShape;
 119 }
 120
 121 } // namespace internal
 122 } // namespace slideshow
 123
 124 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */