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/beans/PropertyValue.hpp>
  23
  24 #include "animationcommandnode.hxx"
  25 #include <delayevent.hxx>
  26 #include <tools.hxx>
  27 #include "nodetools.hxx"
  28
  29
  30 using namespace com::sun::star;
  31
  32 namespace slideshow {
  33 namespace internal {
  34
  35 namespace EffectCommands = css::presentation::EffectCommands;
  36
  37 AnimationCommandNode::AnimationCommandNode( uno::Reference<animations::XAnimationNode> const& xNode,
  38                                              ::std::shared_ptr<BaseContainerNode> const& pParent,
  39                                              NodeContext const& rContext ) :
  40     BaseNode( xNode, pParent, rContext ),
  41     mbToggled(false),
  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             mbToggled = true;
  91         }
  92         break;
  93     }
  94         // the command stops the animation on a media object
  95     case EffectCommands::STOP:
  96     {
  97         if( mpShape )
  98             mpShape->stop();
  99         break;
 100     }
 101         // the command stops all currently running sound effects
 102     case EffectCommands::STOPAUDIO:
 103         getContext().mrEventMultiplexer.notifyCommandStopAudio( getSelf() );
 104         break;
 105     }
 106
 107     // deactivate ASAP:
 108     auto self(getSelf());
 109     scheduleDeactivationEvent(
 110         makeEvent( [self] () { self->deactivate(); },
 111                    "AnimationCommandNode::deactivate" ) );
 112 }
 113
 114 void AnimationCommandNode::deactivate_st( NodeState /*eDestState*/ )
 115 {
 116     switch( mxCommandNode->getCommand() ) {
 117     // the command toggles the pause status on a media object
 118     case EffectCommands::TOGGLEPAUSE:
 119     {
 120         if (mpShape && mbToggled)
 121         {
 122             if( mpShape->isPlaying() )
 123                 mpShape->pause();
 124             else
 125                 mpShape->play();
 126             mbToggled = false;
 127         }
 128         break;
 129     }
 130
 131     }
 132 }
 133
 134 bool AnimationCommandNode::hasPendingAnimation() const
 135 {
 136     return mxCommandNode->getCommand() == EffectCommands::STOPAUDIO || mpShape;
 137 }
 138
 139 } // namespace internal
 140 } // namespace slideshow
 141
 142 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */