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27 
28 // MARKER(update_precomp.py): autogen include statement, do not remove
29 #include "precompiled_slideshow.hxx"
30 
31 // must be first
32 #include <canvas/debug.hxx>
33 #include <canvas/verbosetrace.hxx>
34 
35 #include <wakeupevent.hxx>
36 
37 
38 namespace slideshow
39 {
40     namespace internal
41     {
42         WakeupEvent::WakeupEvent(
43             boost::shared_ptr<canvas::tools::ElapsedTime> const & pTimeBase,
44             ActivitiesQueue& rActivityQueue ) :
45 #if OSL_DEBUG_LEVEL > 1
46             Event(::rtl::OUString::createFromAscii("WakeupEvent")),
47 #endif
48             maTimer(pTimeBase),
49             mnNextTime(0.0),
50             mpActivity(),
51             mrActivityQueue( rActivityQueue )
52         {
53         }
54 
55         void WakeupEvent::dispose()
56         {
57             mpActivity.reset();
58         }
59 
60         bool WakeupEvent::fire()
61         {
62             if( !mpActivity )
63                 return false;
64 
65             return mrActivityQueue.addActivity( mpActivity );
66         }
67 
68         bool WakeupEvent::isCharged() const
69         {
70             // this event won't expire, we fire everytime we're
71             // re-inserted into the event queue.
72             return true;
73         }
74 
75         double WakeupEvent::getActivationTime( double nCurrentTime ) const
76         {
77             const double nElapsedTime( maTimer.getElapsedTime() );
78 
79             return ::std::max( nCurrentTime,
80                                nCurrentTime - nElapsedTime + mnNextTime );
81         }
82 
83         void WakeupEvent::start()
84         {
85             // start timer
86             maTimer.reset();
87         }
88 
89         void WakeupEvent::setNextTimeout( double rNextTime )
90         {
91             mnNextTime = rNextTime;
92         }
93 
94         void WakeupEvent::setActivity( const ActivitySharedPtr& rActivity )
95         {
96             mpActivity = rActivity;
97         }
98     }
99 }
100