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21 
22 
23 #ifndef INCLUDED_SLIDESHOW_ANIMATIONAUDIONODE_HXX
24 #define INCLUDED_SLIDESHOW_ANIMATIONAUDIONODE_HXX
25 
26 #include "basecontainernode.hxx"
27 #include "soundplayer.hxx"
28 #include "com/sun/star/animations/XAnimationNode.hpp"
29 #include "com/sun/star/animations/XAudio.hpp"
30 
31 namespace slideshow {
32 namespace internal {
33 
34 /** Audio node.
35 
36     This animation node contains an audio effect. Duration and
37     start/stop behaviour is affected by the referenced audio
38     file.
39 */
40 class AnimationAudioNode : public BaseNode, public AnimationEventHandler
41 {
42 public:
43     AnimationAudioNode(
44         ::com::sun::star::uno::Reference<
45         ::com::sun::star::animations::XAnimationNode> const& xNode,
46         ::boost::shared_ptr<BaseContainerNode> const& pParent,
47         NodeContext const& rContext );
48 
49 protected:
50     virtual void dispose();
51 
52 private:
53     virtual void activate_st();
54     virtual void deactivate_st( NodeState eDestState );
55     virtual bool hasPendingAnimation() const;
56 
57     /// overriden, because we need to deal with STOPAUDIO commands
58     virtual bool handleAnimationEvent( const AnimationNodeSharedPtr& rNode );
59 
60 private:
61     ::com::sun::star::uno::Reference<
62         ::com::sun::star::animations::XAudio >  mxAudioNode;
63     ::rtl::OUString                             maSoundURL;
64     mutable SoundPlayerSharedPtr                mpPlayer;
65 
66     void createPlayer() const;
67     void resetPlayer() const;
68 };
69 
70 } // namespace internal
71 } // namespace slideshow
72 
73 #endif /* INCLUDED_SLIDESHOW_ANIMATIONAUDIONODE_HXX */
74