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19 
20 #include <sal/config.h>
21 
22 #include <algorithm>
23 
24 #include <wakeupevent.hxx>
25 
26 
27 namespace slideshow
28 {
29     namespace internal
30     {
WakeupEvent(std::shared_ptr<canvas::tools::ElapsedTime> const & pTimeBase,ActivitiesQueue & rActivityQueue)31         WakeupEvent::WakeupEvent(
32             std::shared_ptr<canvas::tools::ElapsedTime> const & pTimeBase,
33             ActivitiesQueue& rActivityQueue ) :
34             Event("WakeupEvent"),
35             maTimer(pTimeBase),
36             mnNextTime(0.0),
37             mpActivity(),
38             mrActivityQueue( rActivityQueue )
39         {
40         }
41 
dispose()42         void WakeupEvent::dispose()
43         {
44             mpActivity.reset();
45         }
46 
fire()47         bool WakeupEvent::fire()
48         {
49             if( !mpActivity )
50                 return false;
51 
52             return mrActivityQueue.addActivity( mpActivity );
53         }
54 
isCharged() const55         bool WakeupEvent::isCharged() const
56         {
57             // this event won't expire, we fire every time we're
58             // re-inserted into the event queue.
59             return true;
60         }
61 
getActivationTime(double nCurrentTime) const62         double WakeupEvent::getActivationTime( double nCurrentTime ) const
63         {
64             const double nElapsedTime( maTimer.getElapsedTime() );
65 
66             return ::std::max( nCurrentTime,
67                                nCurrentTime - nElapsedTime + mnNextTime );
68         }
69 
start()70         void WakeupEvent::start()
71         {
72             // start timer
73             maTimer.reset();
74         }
75 
setNextTimeout(double rNextTime)76         void WakeupEvent::setNextTimeout( double rNextTime )
77         {
78             mnNextTime = rNextTime;
79         }
80 
setActivity(const ActivitySharedPtr & rActivity)81         void WakeupEvent::setActivity( const ActivitySharedPtr& rActivity )
82         {
83             mpActivity = rActivity;
84         }
85     }
86 }
87 
88 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
89