define(["playbackManager","nowPlayingHelper","events","connectionManager"],function(playbackManager,nowPlayingHelper,events,connectionManager){"use strict";function seriesImageUrl(item,options){if("Episode"!==item.Type)return null;if(options=options||{},options.type=options.type||"Primary","Primary"===options.type&&item.SeriesPrimaryImageTag)return options.tag=item.SeriesPrimaryImageTag,connectionManager.getApiClient(item.ServerId).getScaledImageUrl(item.SeriesId,options);if("Thumb"===options.type){if(item.SeriesThumbImageTag)return options.tag=item.SeriesThumbImageTag,connectionManager.getApiClient(item.ServerId).getScaledImageUrl(item.SeriesId,options);if(item.ParentThumbImageTag)return options.tag=item.ParentThumbImageTag,connectionManager.getApiClient(item.ServerId).getScaledImageUrl(item.ParentThumbItemId,options)}return null}function imageUrl(item,options){return options=options||{},options.type=options.type||"Primary",item.ImageTags&&item.ImageTags[options.type]?(options.tag=item.ImageTags[options.type],connectionManager.getApiClient(item.ServerId).getScaledImageUrl(item.Id,options)):item.AlbumId&&item.AlbumPrimaryImageTag?(options.tag=item.AlbumPrimaryImageTag,connectionManager.getApiClient(item.ServerId).getScaledImageUrl(item.AlbumId,options)):null}function pushImageUrl(item,height,list){var imageOptions={height:height},url=seriesImageUrl(item,imageOptions)||imageUrl(item,imageOptions);url&&list.push({src:url,sizes:height+"x"+height})}function getImageUrls(item){var list=[];return pushImageUrl(item,96,list),pushImageUrl(item,128,list),pushImageUrl(item,192,list),pushImageUrl(item,256,list),pushImageUrl(item,384,list),pushImageUrl(item,512,list),list}function updatePlayerState(player,state,eventName){var item=state.NowPlayingItem;if(!item)return void hideMediaControls();var isVideo="Video"===item.MediaType;if(!isVideo&&"Audio"!==item.MediaType)return void hideMediaControls();var playState=state.PlayState||{},parts=nowPlayingHelper.getNowPlayingNames(item),artist=1===parts.length?"":parts[0].text,title=parts[parts.length-1].text;if(isVideo&&parts.length>1){var temp=artist;artist=title,title=temp}var albumArtist;item.AlbumArtists&&item.AlbumArtists[0]&&(albumArtist=item.AlbumArtists[0].Name);var album=item.Album||"",itemId=item.Id,duration=parseInt(item.RunTimeTicks?item.RunTimeTicks/1e4:0),currentTime=parseInt(playState.PositionTicks?playState.PositionTicks/1e4:0),isPaused=playState.IsPaused||!1;navigator.mediaSession.metadata=new MediaMetadata({title:title,artist:artist,album:album,artwork:getImageUrls(item),albumArtist:albumArtist,currentTime:currentTime,duration:duration,paused:isPaused,itemId:itemId,mediaType:item.MediaType})}function onGeneralEvent(e){var player=this;updatePlayerState(player,playbackManager.getPlayerState(player),e.type)}function onStateChanged(e,state){updatePlayerState(this,state,"statechange")}function onPlaybackStart(e,state){updatePlayerState(this,state,e.type)}function onPlaybackStopped(e,state){state.NextItem||hideMediaControls()}function releaseCurrentPlayer(){currentPlayer&&(events.off(currentPlayer,"playbackstart",onPlaybackStart),events.off(currentPlayer,"playbackstop",onPlaybackStopped),events.off(currentPlayer,"unpause",onGeneralEvent),events.off(currentPlayer,"pause",onGeneralEvent),events.off(currentPlayer,"statechange",onStateChanged),events.off(currentPlayer,"timeupdate",onGeneralEvent),currentPlayer=null,hideMediaControls())}function hideMediaControls(){navigator.mediaSession.metadata=null}function bindToPlayer(player){if(releaseCurrentPlayer(),player){currentPlayer=player;updatePlayerState(player,playbackManager.getPlayerState(player),"init"),events.on(currentPlayer,"playbackstart",onPlaybackStart),events.on(currentPlayer,"playbackstop",onPlaybackStopped),events.on(currentPlayer,"unpause",onGeneralEvent),events.on(currentPlayer,"pause",onGeneralEvent),events.on(currentPlayer,"statechange",onStateChanged),events.on(currentPlayer,"timeupdate",onGeneralEvent)}}function execute(name){playbackManager[name](currentPlayer)}var currentPlayer;navigator.mediaSession.setActionHandler("previoustrack",function(){execute("previousTrack")}),navigator.mediaSession.setActionHandler("nexttrack",function(){execute("nextTrack")}),navigator.mediaSession.setActionHandler("play",function(){execute("unpause")}),navigator.mediaSession.setActionHandler("pause",function(){execute("pause")}),navigator.mediaSession.setActionHandler("seekbackward",function(){execute("rewind")}),navigator.mediaSession.setActionHandler("seekforward",function(){execute("fastForward")}),events.on(playbackManager,"playerchange",function(){bindToPlayer(playbackManager.getCurrentPlayer())}),bindToPlayer(playbackManager.getCurrentPlayer())});