function Photostream(img,next_url,is_search,data,pid,page){if(next_url){(new Image()).src=next_url;}
if(ua.safari()<500){return;}
copy_properties(this,{data:copy_properties(data,{async:true}),seq:0,pid:pid,img:img,minseq:0,isSearch:is_search});copy_properties(this,{error:0,album:null,jumps:{},unseen:null,cursor:null,queue:new TaskQueue(),events:new EventController(this),loads:[],pagesize:20,fetched:{},pending:1,readied:false});copy_properties(this,{displayPosition:$('photo_count'),displayCaption:$('photocaption'),displayPhototags:$('phototags'),displayShare:$($('additional_info').getElementsByTagName('a')[0]),displayAdded:$('photodate'),displayComments:$('photocomment'),displayForm:ge('photo_comment_post'),displayNext:ge('photo_form_next'),displayBadge:$('photo_badge'),displayActions:$('photoactions'),displayProps:ge('props_container'),photolink:$('myphotolink'),displayLoad:$('load_indicator'),displayContext:$('photoinalbum'),displayCmtForm:$('photoaddcomment')});if(ua.firefox()){this.photolink.onfocus=this.photolink.blur.bind(this.photolink);}
var next=bind(this.events,'addEvent','next');var prev=bind(this.events,'addEvent','prev');(ge('photonav_next')||{}).onclick=next;(ge('photonav_prev')||{}).onclick=prev;this.img.onclick=chain(this.onimageclick.bind(this),next);this.img.onload=null;if(ua.ie()<7){this.img.galleryimg="no";}
KeyEventController.registerKey('RIGHT',next);KeyEventController.registerKey('LEFT',prev);this.didGetAlbumResponse(new AsyncResponse(page));Quickling.registerURIHandler(bind(this,'onfragmentchange'));var info=this.album[this.jumps[this.pid]];if(this.isSearch){Quickling.setCanonicalLocation('#pid='+info.pid+'&id='+info.id);}else{Quickling.setCanonicalLocation('#pid='+info.pid);}};copy_properties(Photostream.prototype,{debug:bagofholding,requestPage:function(page){if(this.fetched[page]){return;}
this.fetched[page]=true;this.pending++;new AsyncRequest().setURI(this.isSearch?'/photo_search.php':'/album.php').setMethod('GET').setReadOnly(true).setData(copy_properties(this.data,{page:page})).setHandler(bind(this,'didGetAlbumResponse')).setErrorHandler(bind(this,'didGetAlbumError')).setTransportErrorHandler(bind(this,'didGetAlbumError')).send();},onnext:function(e){this.readPhotoState();this.cursor=(this.cursor+1)%this.album.length;return this.update();},onimageclick:function(e){return imageClick(event_get(e),this.img);},onprev:function(e){this.readPhotoState();this.cursor=((this.cursor-1)+this.album.length)%this.album.length;return this.update();},readPhotoState:function(){if(this.album[this.cursor]){this.album[this.cursor].tags=this.displayPhototags.innerHTML.replace(/\\\//g,'/');this.album[this.cursor].photo_tags=photo_tags;}},update:function(){if(this.error){return true;}
if(!this.readied){this.readied=true;var stepsAhead=env_get('ps_rate')||(5);this.queue.setOption('concurrency',stepsAhead).ready(stepsAhead);}
if(ge('changessaved')){remove_node(ge('changessaved'));}
if(ge('photocrop_error')){remove_node(ge('photocrop_error'));}
var info=this.album[this.cursor];if(this.displayPosition){var pos=sprintf('Photo %d of %d',this.cursor+1,this.album.length);DOM.setText(this.displayPosition,pos);}
if(info){var img=document.createElement('img');copy_properties(img.style,{display:'none'});if(this.isSearch){Quickling.go('#pid='+info.pid+'&id='+info.id,false);}else{Quickling.go('#pid='+info.pid,false);}
if(!info.seen){var hi_bound=(parseInt(this.cursor/this.pagesize)+1)*this.pagesize;var near_edge=((hi_bound-this.cursor)<=3);info.seen=true;--this.unseen;if(near_edge&&!this.pending){var cur_page=parseInt(this.cursor/this.pagesize)+1;var max_page=parseInt((this.album.length-1)/this.pagesize)+1;var get_page=null;for(ii=cur_page+1;ii<=max_page;ii++){if(!this.fetched[ii]){get_page=ii;break;}}
if(get_page===null){for(ii=1;ii<cur_page;ii++){if(!this.fetched[ii]){get_page=ii;break;}}}
if(get_page!==null){this.requestPage(get_page);}}}
img.seq=++this.seq;img.onload=bind(this,'renderPhoto',img,info)
img.src=info.src;}else{this.showLoadIndicator();this.requestPage(1+parseInt(this.cursor/this.pagesize));}},renderPhoto:function(img,info){if(img.seq<this.minseq){delete img;return;}
this.hideLoadIndicator();this.minseq=img.seq;var t=copy_properties({},{id:this.img.id,onmousedown:this.img.onmousedown,onmouseup:this.img.onmouseup,onmousemove:this.img.onmousemove,onclick:this.img.onclick});img.style.display='';hideNameFrame();photocrop.destroy();this.img.parentNode.appendChild(img);remove_node(this.img);this.img=img;copy_properties(this.img,t);this.displayCaption&&set_inner_html(this.displayCaption,info.caption);this.displayPhototags&&set_inner_html(this.displayPhototags,info.tags);this.displayAdded&&set_inner_html(this.displayAdded,info.added);this.displayComments&&set_inner_html(this.displayComments,info.comments);this.displayBadge&&set_inner_html(this.displayBadge,info.badge);this.displayActions&&set_inner_html(this.displayActions,info.actions);this.displayProps&&set_inner_html(this.displayProps,info.prop_html);this.displayContext&&set_inner_html(this.displayContext,info.context_info);photo_tags=info.photo_tags;if(this.displayShare){this.displayShare.onclick=bind(null,share_internal_config,info.share);}
if(this.displayForm){if(info.commentFormAction){show(this.displayCmtForm);this.displayForm.action=info.commentFormAction;if(this.displayNext){this.displayNext.value=URI().addQueryData({pid:info.pid}).setFragment('').toString();}}else{hide(this.displayCmtForm);}}
this.queue.ready();},didGetAlbumResponse:function(asyncResponse){this.pending--;var payload=asyncResponse.getPayload();var first=false;if(this.album===null){first=true;this.album=new Array(payload.size);}
var img,task,load,pos,photo_data=payload.data;for(var ii=0;ii<photo_data.length;++ii){data=photo_data[ii];pos=(this.pagesize*(payload.page-1))+ii;if(this.cursor===null&&data.pid==this.pid){this.cursor=pos;}
data.pos=pos;data.seen=false;this.album[pos]=data;this.jumps[data.pid]=pos;img=new Image();load=bind(img,function(src){this.src=src;},data.src);task=new Task(load);img.onload=task.didComplete.bind(task);this.queue.addTask(task);}
this.unseen+=photo_data.length;if(first){this.events.startQueue();}else{this.update();}},didGetAlbumError:function(asyncResponse){Util.error(asyncResponse.getErrorDescription());this.error=asyncResponse.getError();(new Image()).src='/photostream_endpoint.php?n='+1+'&err='+asyncResponse.getError()+'&'+Math.random();ErrorDialog.showAsyncError(asyncResponse);},onjumptoimage:function(pid){this.readPhotoState();pid=parseInt(pid);if(this.jumps[pid]!==undefined){this.cursor=this.jumps[pid];this.update();}else{Quickling.go(URI().addQueryData({pid:pid}).setFragment(null));}},onfragmentchange:function(fragment){var pid=URI.explodeQuery(fragment).pid;this.events.addEvent('jumptoimage',pid);},showLoadIndicator:function(){CSS.addClass(this.displayLoad,'loading');animation(this.displayLoad).to('opacity',0).duration(0).go().to('opacity',1).duration(200).go();animation(this.img).to('opacity',0).duration(200).go();return this;},hideLoadIndicator:function(){animation(this.img).to('opacity',1).duration(0).go();CSS.removeClass(this.displayLoad,'loading');return this;}});