forked from GNUsocial/gnu-social
1 line
2.6 KiB
JavaScript
1 line
2.6 KiB
JavaScript
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(function(){var a={api:"http://oohembed.com/oohembed",width:100,height:75,cache:{},callbacks:{},lookup:function(c,d){if(typeof a.cache[c]=="object"){d(a.cache[c])}else{if(typeof a.callbacks[c]=="undefined"){a.callbacks[c]=[d];a.rawLookup(c,function(g){a.cache[c]=g;var f=a.callbacks[c];a.callbacks[c]=undefined;for(var e=0;e<f.length;e++){f[e](g)}})}else{a.callbacks[c].push(d)}}},rawLookup:function(c,e){var d={url:c,format:"json",maxwidth:a.width,maxheight:a.height,token:$("#token").val()};$.ajax({url:a.api,data:d,dataType:"json",success:function(f,g){e(f)},error:function(g,h,f){e(null)}})}};var b={links:[],state:[],refresh:[],findLinks:function(f){var d=/(?:^| )(https?:\/\/.+?\/.+?)(?= |$)/mg;var c=[];var e;while((e=d.exec(f))!==null){c.push(e[1])}return c},prepLinkPreview:function(d){var e="link-preview-"+d;var c=b.links[d];b.refresh[d]=false;b.markLoading(d);a.lookup(c,function(i){var f=null;var g=100;if(i&&typeof i.thumbnail_url=="string"){f=i.thumbnail_url;if(typeof i.thumbnail_width!=="undefined"){if(i.thumbnail_width<g){g=i.thumbnail_width}}}else{if(i&&i.type=="photo"&&typeof i.url=="string"){f=i.url;if(typeof i.width!=="undefined"){if(i.width<g){g=i.width}}}}if(f){var h=$('<span class="inline-attachment"><a><img/></a></span>');h.find("a").attr("href",c).attr("target","_blank").last().find("img").attr("src",f).attr("width",g).attr("title",i.title||i.url||c);$("#"+e).empty();$("#"+e).append(h)}else{b.clearLink(d)}if(b.refresh[d]){b.prepLinkPreview(d)}else{b.markDone(d)}})},previewLinks:function(f){var e;var c=b.links;var d=b.findLinks(f);b.links=d;for(e=0;e<c.length&&e<d.length;e++){if(d[e]!=c[e]){if(b.state[e]=="loading"){b.refresh[e]=true}else{b.prepLinkPreview(e)}}}if(d.length>c.length){for(e=c.length;e<d.length;e++){b.addPreviewArea(e);b.prepLinkPreview(e)}}else{if(c.length>d.length){for(e=d.length;e<c.length;e++){b.clearLink(e)}}}},addPreviewArea:function(c){var d="link-preview-"+c;$("#link-preview").append('<span id="'+d+'"></span>')},clearLink:function(c){var d="link-preview-"+c;$("#"+d).html("")},markLoading:function(c){b.state[c]="loading";var d="link-preview-"+c;$("#"+d).attr("style","opacity: 0.5")},markDone:function(c){b.state[c]="done";var d="link-preview-"+c;$("#"+d).removeAttr("style")},clear:function(){b.links=[];$("#link-preview").empty()}};SN.Init.LinkPreview=function(c){if(c.api){a.api=c.api}if(c.width){a.width=c.width}if(c.height){a.height=c.height}$("#form_notice").append('<div id="link-preview" class="thumbnails"></div>').bind("reset",function(){b.clear()});var d=SN.U.Counter;SN.U.Counter=function(e){b.previewLinks($("#notice_data-text").val());return d(e)}}})();
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