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