Mediasite.namespace("Player"),Mediasite.Player.Model=function(n){function checkCurrentChapter(n){var t=wt.GetChapterAt(n);if(typeof t=="undefined"||t.Number<1){if(n===0)return;t=new Mediasite.Chapter(0,0,"")}ht!==t.Time&&(ht=t.Time,r.fire(u.ChapterChange,t))}function checkCurrentTimedEvent(n){var t=v.GetTimedEvents(n);h.each(t,function(n,t){r.fire(u.TimedEventReached,t)})}function checkCurrentCaption(n){if(!t.DisableCaptionDisplay){for(var f=wt.GetCaptionsAt(n),e="",i=0;i<f.length;i+=1)f[i]&&typeof f[i].Text=="string"&&(e+=f[i].Text);e!==at&&(at=e,r.fire(u.CaptionChange,f))}}function checkPauseState(n){var i=lt.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 r,u,t;try{for(r=[],s=0;s<n.d.length;s++){b=Math.max(b,n.d[s].Time);switch(n.d[s].EventType){case Mediasite.Player.TimelineEvent.PresentationEnd:f.Debug("Received PresentationEnd"),o=n.d[s].Time,k==Mediasite.Player.MediaState.Playing?(u=Math.max(0,o-a),f.Debug("PresentationEnd in "+u/1e3+" seconds."),window.setTimeout(PerformEndPresentation,u)):PerformEndPresentation();break;case Mediasite.Player.TimelineEvent.Slide:hasSlides()&&(t=new Mediasite.Slide(n.d[s].Sequence,n.d[s].Time,"",""),t.SetUrlProvider(e.SlideUrlProvider),t.StreamType=e.StreamType,e.LiveSlideQueue.push(t));break;case Mediasite.Player.TimelineEvent.PauseStart:it.push({Time:n.d[s].Time,Paused:!0});break;case Mediasite.Player.TimelineEvent.PauseEnd:it.push({Time:n.d[s].Time,Paused:!1});break;case Mediasite.Player.TimelineEvent.TimedEvent:r.push({Id:n.d[s].Id,Text:n.d[s].Payload,Time:n.d[s].Time,Type:n.d[s].PayloadType})}}r.length>0&&v.AddTimedEvents(r)}catch(h){}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:b,currentTimeInMs:Math.floor(a+ti)}),successCallback,errorCallback),!0):!1}function pingServerTimerCallback(){var n=function(){p=setTimeout(pingServerTimerCallback,vt)};getLiveEvents(n)}function pollForLiveStartTimerCallback(){var r=function(n){pollForLiveStartCallbackSuccess(n)},i=function(){l=setTimeout(pollForLiveStartTimerCallback,g)};n.GetLiveStatus(JSON.stringify({playbackTicket:t.PlaybackTicketId,presentationId:t.PresentationId}),r,i)}function pollForLiveStartCallbackSuccess(n){t.PlayStatus=n.d.PlayStatus;switch(t.PlayStatus){case Mediasite.Player.PresentationStatus.ScheduledForLive:r.fire(u.LiveStatusChanged,t.PlayStatus),l=setTimeout(pollForLiveStartTimerCallback,g);break;case Mediasite.Player.PresentationStatus.OpenForLive:r.fire(u.LiveStatusChanged,t.PlayStatus),l=setTimeout(pollForLiveStartTimerCallback,pt);break;case Mediasite.Player.PresentationStatus.Live:case Mediasite.Player.PresentationStatus.LivePaused:f.Debug("Delaying the transition from Waiting to Live by "+tt+"ms"),window.setTimeout(function(){r.fire(u.LiveStatusChanged,t.PlayStatus);var i=new Date(n.d.LiveStartUnixTimeInMs+d);r.fire(u.SetLiveStartTime,i),f.Info("Live start time set",i),r.fire(u.StartMedia,[]),f.Info("Start media: ",[]),getLiveEvents()},tt);break;case Mediasite.Player.PresentationStatus.LiveEnded:case Mediasite.Player.PresentationStatus.NotAvailable:r.fire(u.LiveStatusChanged,t.PlayStatus),PerformEndPresentation()}}function pollForLiveStart(n){clearTimeout(l),l=setTimeout(pollForLiveStartTimerCallback,n)}function startServerPing(){clearTimeout(p),clearTimeout(nt),p=setTimeout(pingServerTimerCallback,vt)}function inactivityTimerCallback(){var n=+new Date;n-dt>ni?r.fire(u.InactivityExceeded):nt=setTimeout(inactivityTimerCallback,kt)}function stopServerPing(){clearTimeout(p),dt=+new Date,nt=setTimeout(inactivityTimerCallback,kt)}function makeCaptionTimeSearcher(n){for(var r=new Mediasite.Player.CaptionTimeSearcher,i=transcriptToArrayOfSearchableTimeItems(n),t=0;t<i.length;t+=1)r.addItem(i[t]);return r}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<ft-ii&&t.PlayStatus!=Mediasite.Player.PresentationStatus.OnDemand;ft=n,i&&(f.Debug("Live position jumped back."),haveSeenPresentationEndEvent()?(f.Debug("We already have the PresentationEnd event, so end immediately."),PerformEndPresentation()):y||(f.Debug("We don't have the PresentationEnd event, so let's check with the server..."),y=!0,getLiveEvents(function(){y=!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){n!=a&&(a=n,checkCurrentCaption(n),checkPauseState(n),checkCurrentChapter(n),checkCurrentTimedEvent(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 u,r,f=[],i=0;i<n.length;i+=1)u=n[i],r=t.GetStream(u),r&&!r.AudioOnly&&f.push(u);return f}function onlyUniqueStreamTypes(n){for(var r,i=[],t=0;t<n.length;t++)r=n[t],h.inArray(r,i)==-1&&i.push(r);return i}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(){ut||(t.PlayStatus=Mediasite.Player.PresentationStatus.LiveEnded,r.fire(u.LiveStatusChanged,Mediasite.Player.PresentationStatus.LiveEnded),ut=!0)}function startDetectingLiveStalled(){s||(s=new LivePlayStalledDetector(function(){return t.PlayStatus},function(){return gt},function(){return a},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?(u++,f.Debug("LivePlayStalledDetector.ticksStalled = "+u)):u=0,h=o,u>=a&&r()?(f.Debug("Exceeded ticksToTriggerEndCheck and the presentation end is near."),e.LiveStreamEndedCallback&&e.LiveStreamEndedCallback(),e.Stop()):u==v&&(f.Debug("Exceeded ticksToTriggerMediaError"),e.LiveStreamStalledErrorCallback&&e.LiveStreamStalledErrorCallback(),e.Stop())}var e=this,c=2e3,l=15e3,s=500,u=0,a=Math.ceil(c/s),v=Math.ceil(l/s),o,h=Number.MAX_VALUE;this.LiveStreamStalledErrorCallback=function(){f.Debug("default LiveStreamStalledErrorCallback")},this.LiveStreamEndedCallback=function(){f.Debug("default LiveStreamEndedCallback")},this.Start=function(){this.Stop(),o=window.setInterval(timer_tick,s)},this.Stop=function(){o&&window.clearInterval(o),h=Number.MAX_VALUE,u=0}}var h=jQuery,wt=this,t,e,yt,v,bt,ot,lt,it=[],ht=0,ri=0,at,k,gt,a=0,rt=!1,c,w,ui,l=null,pt=5e3,g=15e3,vt=1e4,ti=6e4,p=null,fi=3e4,nt=null,ni=12e5,kt=1e3,dt=null,tt=0,et=!1,y=!1,ii=1e3,ft=0,ct=Mediasite.Player.PlayerState.NotReady,st=[],o=-1,b=-1,d=0,ut=!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){n.PresentationId!=undefined&&(t=n,e=t.GetStream(Mediasite.ContentStreamType.Slide),d=t.ServerClockSkew,document.title=t.Title,yt=new Mediasite.Player.TimingSearcher(t.Chapters),v=new Mediasite.Player.TimedEventRepository(t.TimedEvents),lt=new Mediasite.Player.TimingSearcher(it),bt=new Mediasite.Player.TimingSearcher(t.Transcript),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&&(b=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+d);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(g);break;case Mediasite.Player.PresentationStatus.OpenForLive:r.fire(u.LiveStatusChanged,t.PlayStatus),pollForLiveStart(pt);break;case Mediasite.Player.PresentationStatus.LiveEnded:case Mediasite.Player.PresentationStatus.NotAvailable:r.fire(u.LiveStatusChanged,t.PlayStatus),PerformEndPresentation()}},this.GetStreamsMetadata=function(){var r=h.map(t.Streams,function(n){return n.StreamType}),i=h.map(r,t.GetStream.bind(t));return h.map(i,function(n){return{streamType:n.StreamType,audioOnly:n.AudioOnly,aspectRatio:n.AspectRatio}})},this.GetVisibleStreamTypes=function(){return st},this.SetVisibleStreamTypes=function(n){n=onlyUniqueStreamTypes(n),n=onlyValidStreamTypes(n),n=withoutAudioOnlyStreamTypes(n),st=n,r.fire(u.VisibleStreamsChanged,n)},this.GetLiveStatus=function(){return t.PlayStatus},this.UpdateMediaInfo=function(n){var u,r,i;if(n&&n.length){for(u=0;u<n.length;u+=1)r=n[u],i=t.GetStream(r.StreamType),i&&(i.AudioOnly=r.AudioOnly,i.AspectRatio=r.AspectRatio);this.SetVisibleStreamTypes(this.GetVisibleStreamTypes())}},this.UpdateMediaState=function(n){if(n!==k){switch(n){case Mediasite.Player.MediaState.Playing:k=n,startServerPing(),getLiveEvents(),startDetectingLiveStalled();break;case Mediasite.Player.MediaState.MediaEnded:case Mediasite.Player.MediaState.Paused:case Mediasite.Player.MediaState.Stopped:k=n,stopServerPing(),getLiveEvents()}gt=n}},this.UpdatePlayerState=function(n){ct=n,r.fire(u.PlayerStateChanged,n)},this.GetPlayerState=function(){return ct},this.UpdateMediaVolume=function(t){n.UserPreferences.SetValue(Mediasite.Player.Options.Volume,t)},this.SetInactivityTimeout=function(n){ni=n},this.SetPreference=function(t,i){n.UserPreferences.SetValue(t,i)},this.TogglePreference=function(t){n.UserPreferences.ToggleValue(t)},this.GetChapterAt=function(n){return yt.GetCurrentItem(n)},this.GetChapters=function(){return t.Chapters},this.GetTimedEventAt=function(n){return v.TimingSearcher.GetCurrentItem(n)},this.GetTimedEvents=function(){return v.GetAllTimedEvents()},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.GetCaptionAt=function(n){return bt.GetCurrentItem(n)},this.GetCaptionsAt=function(n){for(var r=[],i=ot.search(n/1e3),t=0;t<i.length;t+=1)r.push(i[t].item);return r},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 h.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 u=t.GetStream(i),r=new Mediasite.Player.TimingSearcher(u.Slides);return r.GetCurrentItem(n)},this.UpdatePosition=function(n){if(o>0&&o<n){PerformEndPresentation();return}(et&&detectAndHandleLiveJumpBack(n),y)||applyPosition(n)},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){c={EmailAddress:n.d.EmailAddress},r.fire(u.UserEmailAddressLoaded,c)}function errorCallback(){}typeof c!="undefined"?r.fire(u.UserEmailAddressLoaded,c):n.GetUsersEmailAddress(null,successCallback,errorCallback)},this.UpdateAskQuestionEmailAddress=function(n){c=n},this.GetEmailInvite=function(){function successCallback(n){w={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,w)}function errorCallback(){r.fire(u.EmailInviteLoaded,{Subject:t.Title,Message:window.location.href})}typeof w!="undefined"?r.fire(u.EmailInviteLoaded,w):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(){et=!0},this.EnableLiveStartDelay=function(n){tt=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}}