Mediasite.namespace("Player"),Mediasite.Player.Model=function(n){function checkCurrentChapter(n){var t=dt.GetChapterAt(n);if(typeof t=="undefined"||t.Number<1){if(n===0)return;t=new Mediasite.Chapter(0,0,"")}ct!==t.Time&&(ct=t.Time,r.fire(u.ChapterChange,t))}function checkForTimelineThings(){var n,t,i,r;(delayedCheckForTimelineThings(),ni)&&(n=tt.State===Mediasite.Player.PlayerState.Playing,t=(l||0)/1e3,c.updatePlayheadInfo(t,n))}function delayedCheckForTimelineThings(){clearTimeout(vt),vt=setTimeout(function(){checkForTimelineThings()},ui)}function timelineThingReachedDelegate(n){f.Info("TimedEventReached - time:"+n.time+", type: "+n.type),r.fire(u.TimedEventReached,n)}function checkCurrentCaption(n){if(!t.DisableCaptionDisplay){for(var f=dt.GetCaptionsAt(n),e="",i=0;i<f.length;i+=1)f[i]&&typeof f[i].Text=="string"&&(e+=f[i].Text);e!==bt&&(bt=e,r.fire(u.CaptionChange,f))}}function checkPauseState(n){var i=st.GetCurrentItem(n);typeof i!="undefined"&&i.Paused!==rt&&(rt=i.Paused,t.PlayStatus=rt?Mediasite.Player.PresentationStatus.LivePaused:Mediasite.Player.PresentationStatus.Live,r.fire(u.LiveStatusChanged,t.PlayStatus))}function getLiveEvents(i){function successCallback(n){var t,u,r;try{for(t=[],s=0;s<n.d.length;s++){d=Math.max(d,n.d[s].Time);switch(n.d[s].EventType){case Mediasite.Player.TimelineEvent.PresentationEnd:f.Debug("Received PresentationEnd"),o=n.d[s].Time,g==Mediasite.Player.MediaState.Playing?(u=Math.max(0,o-l),f.Debug("PresentationEnd in "+u/1e3+" seconds."),window.setTimeout(PerformEndPresentation,u)):PerformEndPresentation();break;case Mediasite.Player.TimelineEvent.Slide:hasSlides()&&(r=new Mediasite.Slide(n.d[s].Sequence,n.d[s].Time,"",""),r.SetUrlProvider(e.SlideUrlProvider),r.StreamType=e.StreamType,e.LiveSlideQueue.push(r));break;case Mediasite.Player.TimelineEvent.PauseStart:ut.push({Time:n.d[s].Time,Paused:!0});break;case Mediasite.Player.TimelineEvent.PauseEnd:ut.push({Time:n.d[s].Time,Paused:!1});break;case Mediasite.Player.TimelineEvent.TimedEvent:t.push(n.d[s])}}for(s=0;s<t.length;s+=1)h.addThing(Mediasite.Player.TimedEventUtility.toProperTimedEvent(t[s]))}catch(c){}i&&i(!0)}function errorCallback(n){var f=!1,t;try{t=JSON.parse(n.responseText),t&&t.FaultType===Mediasite.Player.PlayerServiceFaultType.InvalidTicket&&(r.fire(u.InactivityExceeded),f=!0)}catch(e){}i&&!f&&i(!1)}var s;return t.PlayStatus===Mediasite.Player.PresentationStatus.Live||t.PlayStatus===Mediasite.Player.PresentationStatus.LivePaused?(n.GetLiveEvents(JSON.stringify({playbackTicket:t.PlaybackTicketId,sinceTimeInMs:d,currentTimeInMs:Math.floor(l+fi)}),successCallback,errorCallback),!0):!1}function pingServerTimerCallback(){var n=function(){w=setTimeout(pingServerTimerCallback,gt)};getLiveEvents(n)}function pollForLiveStartTimerCallback(){var i=function(n){pollForLiveStartCallbackSuccess(n)},r=function(){y=setTimeout(pollForLiveStartTimerCallback,it)};n.GetLiveStatus(JSON.stringify({playbackTicket:t.PlaybackTicketId,presentationId:t.PresentationId}),i,r)}function pollForLiveStartCallbackSuccess(n){t.PlayStatus=n.d.PlayStatus;switch(t.PlayStatus){case Mediasite.Player.PresentationStatus.ScheduledForLive:r.fire(u.LiveStatusChanged,t.PlayStatus),y=setTimeout(pollForLiveStartTimerCallback,it);break;case Mediasite.Player.PresentationStatus.OpenForLive:r.fire(u.LiveStatusChanged,t.PlayStatus),y=setTimeout(pollForLiveStartTimerCallback,ti);break;case Mediasite.Player.PresentationStatus.Live:case Mediasite.Player.PresentationStatus.LivePaused:var e=n.d.LiveStartUnixTimeInMs+v,i=calculateLiveStartDelay(e,yt);f.Debug("Delaying the transition from Waiting to Live by "+i+"ms"),window.setTimeout(function(){function doTransitionToLive(){if(document&&document.visibilityState&&document.visibilityState!=="visible"){f.Info("Wait until window is visible to begin live playback.");a(document).one("visibilitychange",function(){f.Info("Window is now visible. Begin live playback."),doTransitionToLive()});return}r.fire(u.LiveStatusChanged,t.PlayStatus);var i=new Date(n.d.LiveStartUnixTimeInMs+v);r.fire(u.SetLiveStartTime,i),f.Info("Live start time set",i),r.fire(u.StartMedia,[]),f.Info("Start media: ",[]),getLiveEvents()}var i=new Date(n.d.LiveStartUnixTimeInMs+v);t.mustRefreshVideoUrlsOnTransitionToLive?updateVideoUrls(doTransitionToLive):doTransitionToLive()},i);break;case Mediasite.Player.PresentationStatus.LiveEnded:case Mediasite.Player.PresentationStatus.NotAvailable:r.fire(u.LiveStatusChanged,t.PlayStatus),PerformEndPresentation()}}function earliestTimeToAttemptLive(n,t){return n=n||Number.POSITIVE_INFINITY,t=t||0,n+t}function calculateLiveStartDelay(n,t){var r,u,i;return r=earliestTimeToAttemptLive(n,t),u=+new Date,i=r-u,i=Math.max(0,i),i=Math.min(t,i)}function updateVideoUrls(i){function successCallback(n){for(var f,e,l=n.d,v=t.Streams,s,o,h,r,a=["MulticastAddress","MulticastDiagnosticsServer","MulticastPort","MulticastReceiverKeyStore","MulticastReceiverUrl"],c,u=0;u<l.length;u+=1)if(o=l[u],s=findStreamInArray(v,o.StreamType),s)for(f=0;f<o.VideoUrls.length;f+=1)if(r=o.VideoUrls[f],h=findVideoUrlInArray(s.VideoUrls,r.MediaType,r.MimeType,r.ServerType),h)for(e=0;e<a.length;e+=1)c=a[e],h[c]=r[c];i()}function errorCallback(){i()}f.Info("Requesting updated stream info."),n.GetStreams(t.PlaybackTicketId,successCallback,errorCallback)}function findStreamInArray(n,t){return findInArray(n,function(n){return n.StreamType===t})}function findVideoUrlInArray(n,t,i,r){return findInArray(n,function(n){return n.MediaType===t&&n.MimeType===i&&n.ServerType===r})}function findInArray(n,t){for(var i=0;i<n.length;i+=1)if(t(n[i]))return n[i];return null}function pollForLiveStart(n){clearTimeout(y),y=setTimeout(pollForLiveStartTimerCallback,n)}function startServerPing(){clearTimeout(w),clearTimeout(nt),w=setTimeout(pingServerTimerCallback,gt)}function inactivityTimerCallback(){var n=+new Date;n-pt>wt?r.fire(u.InactivityExceeded):scheduleInactivityCheck()}function stopServerPing(){clearTimeout(w),pt=+new Date,scheduleInactivityCheck()}function scheduleInactivityCheck(){clearTimeout(nt),nt=setTimeout(inactivityTimerCallback,ii)}function makeCaptionTimeSearcher(n){for(var i=new Mediasite.Player.CaptionTimeSearcher,r=transcriptToArrayOfSearchableTimeItems(n),t=0;t<r.length;t+=1)i.addItem(r[t]);return i}function transcriptToArrayOfSearchableTimeItems(n){var r=[],u,t;for(i=0;i<n.length;i+=1)t=n[i],u=new Mediasite.Player.SearchableTimeItem(t.Time/1e3,t.EndTime/1e3,t),r.push(u);return r}function detectAndHandleLiveJumpBack(n){var i=n<lt-ri&&t.PlayStatus!=Mediasite.Player.PresentationStatus.OnDemand;lt=n,i&&(f.Debug("Live position jumped back."),haveSeenPresentationEndEvent()?(f.Debug("We already have the PresentationEnd event, so end immediately."),PerformEndPresentation()):k||(f.Debug("We don't have the PresentationEnd event, so let's check with the server..."),k=!0,getLiveEvents(function(){k=!1,haveSeenPresentationEndEvent()?(f.Debug("Server says PresentationEnded. I've always liked that server."),PerformEndPresentation()):f.Debug("Server says it doesn't know anything about PresentationEnd. I've never trusted that server.")})))}function applyPosition(n,t){var i=n!==l;l=n,ni=t,checkForTimelineThings(),i&&(checkCurrentCaption(n),checkPauseState(n),checkCurrentChapter(n))}function checkServerForPresentationEndEvent(n,t){f.Debug("Checking the server for the Presentation Ended event. Delay = "+n),window.setTimeout(function(){getLiveEvents(function(){haveSeenPresentationEndEvent()?(f.Debug("The media element raised an exception at the end of a live presentation. liveEndTime = "+o),PerformEndPresentation()):t()})},n)}function haveSeenPresentationEndEvent(){return o>0}function hasSlides(){return e&&e.HasSlides()}function withoutAudioOnlyStreamTypes(n){for(var r,u,f=[],i=0;i<n.length;i+=1)r=n[i],u=t.GetStream(r),u&&!u.AudioOnly&&f.push(r);return f}function onlyUniqueStreamTypes(n){for(var i,r=[],t=0;t<n.length;t++)i=n[t],a.inArray(i,r)==-1&&r.push(i);return r}function onlyValidStreamTypes(n){for(var r,u=[],i=0;i<n.length;i+=1)r=n[i],t.GetStream(r)&&u.push(r);return u}function PerformEndPresentation(){et||(t.PlayStatus=Mediasite.Player.PresentationStatus.LiveEnded,r.fire(u.LiveStatusChanged,Mediasite.Player.PresentationStatus.LiveEnded),et=!0)}function startDetectingLiveStalled(){s||(s=new LivePlayStalledDetector(function(){return t.PlayStatus},function(){return kt},function(){return l},function(){return o>0}),s.LiveStreamStalledErrorCallback=function(){s.Stop()},s.LiveStreamEndedCallback=function(){s.Stop(),PerformEndPresentation()},s.Start())}function LivePlayStalledDetector(n,t,i,r){function timer_tick(){var s=t(),l=s==Mediasite.Player.MediaState.Playing||s==Mediasite.Player.MediaState.Waiting,c=n(),y=c==Mediasite.Player.PresentationStatus.Live||c==Mediasite.Player.PresentationStatus.LivePaused,o;if(!y||!l){this.ticksStalled=0;return}o=i(),h==o?(e++,f.Debug("LivePlayStalledDetector.ticksStalled = "+e)):e=0,h=o,e>=a&&r()?(f.Debug("Exceeded ticksToTriggerEndCheck and the presentation end is near."),u.LiveStreamEndedCallback&&u.LiveStreamEndedCallback(),u.Stop()):e==v&&(f.Debug("Exceeded ticksToTriggerMediaError"),u.LiveStreamStalledErrorCallback&&u.LiveStreamStalledErrorCallback(),u.Stop())}var u=this,c=2e3,l=15e3,o=500,e=0,a=Math.ceil(c/o),v=Math.ceil(l/o),s,h=Number.MAX_VALUE;this.LiveStreamStalledErrorCallback=function(){f.Debug("default LiveStreamStalledErrorCallback")},this.LiveStreamEndedCallback=function(){f.Debug("default LiveStreamEndedCallback")},this.Start=function(){this.Stop(),s=window.setInterval(timer_tick,o)},this.Stop=function(){s&&window.clearInterval(s),h=Number.MAX_VALUE,e=0}}var a=jQuery,dt=this,t,e,ft,hi,h,c,ot,st,ut=[],ct=0,oi=0,bt,g,kt,l=0,ni=!1,rt=!1,p,b,ei,y=null,ti=5e3,it=15e3,gt=1e4,fi=6e4,w=null,si=3e4,nt=null,wt=12e5,ii=1e3,pt=null,ui=1e3,vt,yt=0,at=!1,k=!1,ri=1e3,lt=0,tt=Mediasite.Player.PlayerState.NotReady,ht=[],o=-1,d=-1,v=0,et=!1,s,f=Mediasite.Logging.LoggerFactory("PlayerModel"),r=new Mediasite.Player.EventBundle,u=Mediasite.Player.ModelEvent;this.AddEventHandler=function(n,t){r.addHandler(n,t)},this.Initialize=function(n){var i;if(n.PresentationId!=undefined){for(t=n,e=t.GetStream(Mediasite.ContentStreamType.Slide),v=t.ServerClockSkew,document.title=t.Title,ft=new Mediasite.Player.TimingSearcher(t.Chapters),h=new Mediasite.Player.TimelineThingRepository,i=0;i<t.TimedEvents.length;i+=1)h.addThing(Mediasite.Player.TimedEventUtility.toProperTimedEvent(t.TimedEvents[i]));c=new Mediasite.Player.TimelineThingMonitor,c.repository=h,c.timelineThingReachedDelegate=timelineThingReachedDelegate,c.updatePlayheadInfo(0,!1),st=new Mediasite.Player.TimingSearcher(ut),ot=makeCaptionTimeSearcher(t.Transcript)}},this.LoadMedia=function(){switch(t.PlayStatus){case Mediasite.Player.PresentationStatus.OnDemand:r.fire(u.StartMedia,[]);break;case Mediasite.Player.PresentationStatus.Live:case Mediasite.Player.PresentationStatus.LivePaused:if(hasSlides()&&e.Slides.length&&(d=e.Slides[e.Slides.length-1].Time),r.fire(u.StartMedia,[]),r.fire(u.LiveStatusChanged,t.PlayStatus),t.LiveStartUnixTimeInMs){var n=new Date(t.LiveStartUnixTimeInMs+v);r.fire(u.SetLiveStartTime,n),f.Info("Live start time set",n)}break;case Mediasite.Player.PresentationStatus.ScheduledForLive:r.fire(u.LiveStatusChanged,t.PlayStatus),pollForLiveStart(it);break;case Mediasite.Player.PresentationStatus.OpenForLive:r.fire(u.LiveStatusChanged,t.PlayStatus),pollForLiveStart(ti);break;case Mediasite.Player.PresentationStatus.LiveEnded:case Mediasite.Player.PresentationStatus.NotAvailable:r.fire(u.LiveStatusChanged,t.PlayStatus),PerformEndPresentation()}},this.GetStreamsMetadata=function(){var n=a.map(t.Streams,function(n){return n.StreamType}),i=a.map(n,t.GetStream.bind(t));return a.map(i,function(n){return{streamType:n.StreamType,audioOnly:n.AudioOnly,aspectRatio:n.AspectRatio}})},this.GetVisibleStreamTypes=function(){return ht},this.SetVisibleStreamTypes=function(n){n=onlyUniqueStreamTypes(n),n=onlyValidStreamTypes(n),n=withoutAudioOnlyStreamTypes(n),ht=n,r.fire(u.VisibleStreamsChanged,n)},this.GetLiveStatus=function(){return t.PlayStatus},this.UpdateMediaInfo=function(n){var i,r,u;if(n&&n.length){for(i=0;i<n.length;i+=1)r=n[i],u=t.GetStream(r.StreamType),u&&(u.AudioOnly=r.AudioOnly,u.AspectRatio=r.AspectRatio);this.SetVisibleStreamTypes(this.GetVisibleStreamTypes())}},this.UpdateMediaState=function(n){if(n!==g){switch(n){case Mediasite.Player.MediaState.Playing:g=n,startServerPing(),getLiveEvents(),startDetectingLiveStalled(),checkForTimelineThings();break;case Mediasite.Player.MediaState.MediaEnded:case Mediasite.Player.MediaState.Paused:case Mediasite.Player.MediaState.Stopped:g=n,stopServerPing(),getLiveEvents()}kt=n}},this.UpdatePlayerState=function(n){tt=n,r.fire(u.PlayerStateChanged,n)},this.GetPlayerState=function(){return tt},this.UpdateMediaVolume=function(t){n.UserPreferences.SetValue(Mediasite.Player.Options.Volume,t)},this.SetInactivityTimeout=function(n){wt=n},this.SetPreference=function(t,i){n.UserPreferences.SetValue(t,i)},this.TogglePreference=function(t){n.UserPreferences.ToggleValue(t)},this.GetChapterAt=function(n){return ft.GetCurrentItem(n)},this.GetChapters=function(){return t.Chapters},this.GetTimedEvents=function(){return h.getAllThings()},this.AddTimedEvent=function(n){var t=h.addThing(n);return r.fire(u.TimedEventListChanged),t},this.RemoveTimedEvent=function(n){h.removeThing(n),r.fire(u.TimedEventListChanged)},this.GetLinks=function(){return t.Links},this.GetPollsUri=function(){var n=t.PollingLocation,i,r;return n?n.indexOf("://")>0?n:(i=document.location.href.match("^https?://[.\\d\\w\\-]+(:\\d+)?/"),!i)?void 0:r=i[0]+n.substring(1):""},this.GetCaptionsAt=function(n){for(var i=[],r=ot.search(n/1e3),t=0;t<r.length;t+=1)i.push(r[t].item);return i},this.GetCaptions=function(){return t.Transcript},this.GetSlides=function(n){n=n!=undefined?n:Mediasite.ContentStreamType.Slide;var i=t.GetStream(n);return i.Slides},this.GetAllSlides=function(){function compareTime(n,t){return n.time-t.time}var n=[];return a.each(t.Streams,function(t,i){n=n.concat(i.Slides)}),n.sort(compareTime),n},this.GetSlideAt=function(n,i){i=i!=undefined?i:Mediasite.ContentStreamType.Slide;var r=t.GetStream(i),u=new Mediasite.Player.TimingSearcher(r.Slides);return u.GetCurrentItem(n)},this.UpdatePosition=function(n,t){if(o>0&&o<n){PerformEndPresentation();return}(at&&detectAndHandleLiveJumpBack(n),k)||applyPosition(n,t)},this.SetIsSeeking=function(n){n?c.beginSeek():c.endSeek(l/1e3)},this.FireEvent=function(n,t){r.fire(n,t)},this.HandleMediaEvent=function(n){if(n.Type==="MS5"&&n.Command==="HE('E')"){var i=t.PlayStatus==Mediasite.Player.PresentationStatus.Live||t.PlayStatus==Mediasite.Player.PresentationStatus.LivePaused;i&&PerformEndPresentation()}},this.HandleMediaError=function(n){if(t.PlayStatus==Mediasite.Player.PresentationStatus.LiveEnded||t.PlayStatus==Mediasite.Player.PresentationStatus.NotAvailable){f.Debug("The media element raised an exception after a transition to LiveEnded or NotAvailable."),PerformEndPresentation();return}var i=t.PlayStatus==Mediasite.Player.PresentationStatus.Live||t.PlayStatus==Mediasite.Player.PresentationStatus.LivePaused;if(!i){r.fire(u.MediaError,n);return}if(haveSeenPresentationEndEvent()){f.Debug("The media element raised an exception at the end of a live presentation. liveEndTime = "+o),PerformEndPresentation();return}checkServerForPresentationEndEvent(0,function(){var t=5.1*1e3;checkServerForPresentationEndEvent(t,function(){r.fire(u.MediaError,n)})})},this.GetUserEmailAddress=function(){function successCallback(n){p={EmailAddress:n.d.EmailAddress},r.fire(u.UserEmailAddressLoaded,p)}function errorCallback(){}typeof p!="undefined"?r.fire(u.UserEmailAddressLoaded,p):n.GetUsersEmailAddress(null,successCallback,errorCallback)},this.UpdateAskQuestionEmailAddress=function(n){p=n},this.GetEmailInvite=function(){function successCallback(n){b={Message:n.d.MessageBody,Subject:n.d.Subject,ToAddresses:n.d.ToAddresses,FromAddress:n.d.FromAddress,MailTo:n.d.MailTo,UseServerForSMTP:n.d.UseServerForSMTP},r.fire(u.EmailInviteLoaded,b)}function errorCallback(){r.fire(u.EmailInviteLoaded,{Subject:t.Title,Message:window.location.href})}typeof b!="undefined"?r.fire(u.EmailInviteLoaded,b):n.GetInvite(JSON.stringify({playbackTicketId:t.PlaybackTicketId}),successCallback,errorCallback)},this.SendEmail=function(i){function successCallback(n){r.fire(u.SendEmailComplete,n.d.Success,n.d.Message),f.Debug("Send email invite complete.","Success? "+n.d.Success)}function errorCallback(n){r.fire(u.SendEmailComplete,!1,Mediasite.Player.Localization.Common.AsyncCommunicationError+" - "+n.status+" "+n.statusText),f.Debug("Send email invite failed",n.status,n.statusText)}n.UserPreferences.SetValue(Mediasite.Player.Options.UserFromEmail,i.FromAddress),n.SendInvite(JSON.stringify({playbackTicketId:t.PlaybackTicketId,invite:i}),successCallback,errorCallback),f.Debug("Sending email")},this.SendQuestion=function(i){function successCallback(n){r.fire(u.SendQuestionComplete,n.d.Success,n.d.Message),f.Debug("Send question completed.  Successful? ",n.d.Success)}function errorCallback(n){r.fire(u.SendQuestionComplete,!1,Mediasite.Player.Localization.Common.AsyncCommunicationError+" - "+n.status+" "+n.statusText),f.Debug("Send question failed",n.status,n.statusText)}n.UserPreferences.SetValue(Mediasite.Player.Options.UserFromName,i.Submitter),n.UserPreferences.SetValue(Mediasite.Player.Options.UserFromEmail,i.SubmitterEmail),n.SendQuestion(JSON.stringify({playbackTicketId:t.PlaybackTicketId,question:i}),successCallback,errorCallback),f.Debug("Sending question")},this.EnableLiveJumpBackDetection=function(){at=!0},this.EnableLiveStartDelay=function(n){yt=n}},Mediasite.Player.PresentationContentSearch=function(n){function successCallback(n,t){$.isArray(n)&&n.length>0&&(n=n.sort(function(n,t){return n.Time-t.Time}),u(n,function(n,t){return n.Time==t.Time&&n.Type==t.Type},function(n,t){return n.Text=[n.Text,t.Text].join(" ... "),n})),i.fire(r.SearchComplete,t,n)}function errorCallback(){i.fire(r.SearchError)}function sanitize(n){return $.trim(n)}var i=new Mediasite.Player.EventBundle,r=Mediasite.Player.ModelEvent,u;this.AddEventHandler=function(n,t){i.addHandler(n,t)},this.search=function(t){t=sanitize(t),t.length==0?i.fire(r.SearchComplete,t,[]):n.Search(t,successCallback,errorCallback)},u=function(n,t,i){var r,u,f;if(!n||!n.length||!t||!i)return n;for(r=0;r+1<n.length;)u=n[r],f=n[r+1],t(u,f)?(u=i(u,f),n.splice(r,2,u)):r++;return n}}