slideshow/source/engine/animationnodes/animationaudionode.hxx

   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 #ifndef INCLUDED_SLIDESHOW_SOURCE_ENGINE_ANIMATIONNODES_ANIMATIONAUDIONODE_HXX
  20 #define INCLUDED_SLIDESHOW_SOURCE_ENGINE_ANIMATIONNODES_ANIMATIONAUDIONODE_HXX
  21
  22 #include "basecontainernode.hxx"
  23 #include "soundplayer.hxx"
  24 #include "com/sun/star/animations/XAnimationNode.hpp"
  25 #include "com/sun/star/animations/XAudio.hpp"
  26
  27 namespace slideshow {
  28 namespace internal {
  29
  30 /** Audio node.
  31
  32     This animation node contains an audio effect. Duration and
  33     start/stop behaviour is affected by the referenced audio
  34     file.
  35 */
  36 class AnimationAudioNode : public BaseNode, public AnimationEventHandler
  37 {
  38 public:
  39     AnimationAudioNode(
  40         ::com::sun::star::uno::Reference<
  41         ::com::sun::star::animations::XAnimationNode> const& xNode,
  42         ::boost::shared_ptr<BaseContainerNode> const& pParent,
  43         NodeContext const& rContext );
  44
  45 protected:
  46     virtual void dispose() SAL_OVERRIDE;
  47
  48 private:
  49     virtual void activate_st() SAL_OVERRIDE;
  50     virtual void deactivate_st( NodeState eDestState ) SAL_OVERRIDE;
  51     virtual bool hasPendingAnimation() const SAL_OVERRIDE;
  52
  53     /// overridden, because we need to deal with STOPAUDIO commands
  54     virtual bool handleAnimationEvent( const AnimationNodeSharedPtr& rNode ) SAL_OVERRIDE;
  55
  56 private:
  57     ::com::sun::star::uno::Reference<
  58         ::com::sun::star::animations::XAudio >  mxAudioNode;
  59     OUString                             maSoundURL;
  60     mutable SoundPlayerSharedPtr                mpPlayer;
  61
  62     void createPlayer() const;
  63     void resetPlayer() const;
  64 };
  65
  66 } // namespace internal
  67 } // namespace slideshow
  68
  69 #endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_ANIMATIONNODES_ANIMATIONAUDIONODE_HXX
  70
  71 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */