rust-course/assets/bigPicture.js

var BigPicture=function(){var t,n,e,o,i,r,a,c,p,s,l,d,u,f,m,b,g,h,x,v,y,w,_,T,k,M,S,L,E,A,H,z,I,C=[],D={},O="appendChild",N="createElement",V="removeChild";function W(){var n=t.getBoundingClientRect();return"transform:translate3D("+(n.left-(e.clientWidth-n.width)/2)+"px, "+(n.top-(e.clientHeight-n.height)/2)+"px, 0) scale3D("+t.clientWidth/o.clientWidth+", "+t.clientHeight/o.clientHeight+", 0)"}function q(t){var n=A.length-1;if(!u){if(t>0&&E===n||t<0&&!E){if(!I.loop)return j(i,""),void setTimeout(j,9,i,"animation:"+(t>0?"bpl":"bpf")+" .3s;transition:transform .35s");E=t>0?-1:n+1}if([(E=Math.max(0,Math.min(E+t,n)))-1,E,E+1].forEach(function(t){if(t=Math.max(0,Math.min(t,n)),!D[t]){var e=A[t].src,o=document[N]("IMG");o.addEventListener("load",F.bind(null,e)),o.src=e,D[t]=o}}),D[E].complete)return B(t);u=1,j(m,"opacity:.4;"),e[O](m),D[E].onload=function(){y&&B(t)},D[E].onerror=function(){A[E]={error:"Error loading image"},y&&B(t)}}}function B(n){u&&(e[V](m),u=0);var r=A[E];if(r.error)alert(r.error);else{var a=e.querySelector("img:last-of-type");j(i=o=D[E],"animation:"+(n>0?"bpfl":"bpfr")+" .35s;transition:transform .35s"),j(a,"animation:"+(n>0?"bpfol":"bpfor")+" .35s both"),e[O](i),r.el&&(t=r.el)}H.innerHTML=E+1+"/"+A.length,X(A[E].caption),M&&M([i,A[E]])}function P(){var t,n,e=.95*window.innerHeight,o=.95*window.innerWidth,i=I.dimensions||[1920,1080],r=i[0],a=i[1],p=a/r;p>e/o?n=(t=Math.min(a,e))/p:t=(n=Math.min(r,o))*p,c.style.cssText+="width:"+n+"px;height:"+t+"px;"}function G(t){~[1,4].indexOf(o.readyState)?(U(),setTimeout(function(){o.play()},99)):o.error?U(t):f=setTimeout(G,35,t)}function R(n){I.noLoader||(n&&j(m,"top:"+t.offsetTop+"px;left:"+t.offsetLeft+"px;height:"+t.clientHeight+"px;width:"+t.clientWidth+"px"),t.parentElement[n?O:V](m),u=n)}function X(t){t&&(g.innerHTML=t),j(b,"opacity:"+(t?"1;pointer-events:auto":"0"))}function F(t){!~C.indexOf(t)&&C.push(t)}function U(t){if(u&&R(),T&&T(),"string"==typeof t)return $(),I.onError?I.onError():alert("Error: The requested "+t+" could not be loaded.");_&&F(s),o.style.cssText+=W(),j(e,"opacity:1;pointer-events:auto"),k=setTimeout(k,410),v=1,y=!!A,setTimeout(function(){o.style.cssText+="transition:transform .35s;transform:none",h&&setTimeout(X,250,h)},60)}function Y(t){var n=t?t.target:e,i=[b,x,r,a,g,L,S,m];n.blur(),w||~i.indexOf(n)||(o.style.cssText+=W(),j(e,"pointer-events:auto"),setTimeout($,350),clearTimeout(k),v=0,w=1)}function $(){if((o===c?p:o).removeAttribute("src"),document.body[V](e),e[V](o),j(e,""),j(o,""),X(0),y){for(var t=e.querySelectorAll("img"),n=0;n<t.length;n++)e[V](t[n]);u&&e[V](m),e[V](H),y=A=0,D={},z||e[V](S),z||e[V](L),i.onload=U,i.onerror=U.bind(null,"image")}I.onClose&&I.onClose(),w=u=0}function j(t,n){t.style.cssText=n}return function(w){var D;return n||function(){var t;function s(t){var n=document[N]("button");return n.className=t,n.innerHTML='<svg viewBox="0 0 48 48"><path d="M28 24L47 5a3 3 0 1 0-4-4L24 20 5 1a3 3 0 1 0-4 4l19 19L1 43a3 3 0 1 0 4 4l19-19 19 19a3 3 0 0 0 4 0v-4L28 24z"/></svg>',n}function d(t,n){var e=document[N]("button");return e.className="bp-lr",e.innerHTML='<svg viewBox="0 0 129 129" height="70" fill="#fff"><path d="M88.6 121.3c.8.8 1.8 1.2 2.9 1.2s2.1-.4 2.9-1.2a4.1 4.1 0 0 0 0-5.8l-51-51 51-51a4.1 4.1 0 0 0-5.8-5.8l-54 53.9a4.1 4.1 0 0 0 0 5.8l54 53.9z"/></svg>',j(e,n),e.onclick=function(n){n.stopPropagation(),q(t)},e}var f=document[N]("STYLE");f.innerHTML="#bp_caption,#bp_container{bottom:0;left:0;right:0;position:fixed;opacity:0}#bp_container>*,#bp_loader{position:absolute;right:0;z-index:10}#bp_container,#bp_caption,#bp_container svg{pointer-events:none}#bp_container{top:0;z-index:9999;background:rgba(0,0,0,.7);opacity:0;transition:opacity .35s}#bp_loader{top:0;left:0;bottom:0;display:flex;align-items:center;cursor:wait;background:0;z-index:9}#bp_loader svg{width:50%;max-width:300px;max-height:50%;margin:auto;animation:bpturn 1s infinite linear}#bp_aud,#bp_container img,#bp_sv,#bp_vid{user-select:none;max-height:96%;max-width:96%;top:0;bottom:0;left:0;margin:auto;box-shadow:0 0 3em rgba(0,0,0,.4);z-index:-1}#bp_sv{background:#111}#bp_sv svg{width:66px}#bp_caption{font-size:.9em;padding:1.3em;background:rgba(15,15,15,.94);color:#fff;text-align:center;transition:opacity .3s}#bp_aud{width:650px;top:calc(50% - 20px);bottom:auto;box-shadow:none}#bp_count{left:0;right:auto;padding:14px;color:rgba(255,255,255,.7);font-size:22px;cursor:default}#bp_container button{position:absolute;border:0;outline:0;background:0;cursor:pointer;transition:all .1s}#bp_container>.bp-x{padding:0;height:41px;width:41px;border-radius:100%;top:8px;right:14px;opacity:.8;line-height:1}#bp_container>.bp-x:focus,#bp_container>.bp-x:hover{background:rgba(255,255,255,.2)}.bp-x svg,.bp-xc svg{height:21px;width:20px;fill:#fff;vertical-align:top;}.bp-xc svg{width:16px}#bp_container .bp-xc{left:2%;bottom:100%;padding:9px 20px 7px;background:#d04444;border-radius:2px 2px 0 0;opacity:.85}#bp_container .bp-xc:focus,#bp_container .bp-xc:hover{opacity:1}.bp-lr{top:50%;top:calc(50% - 130px);padding:99px 0;width:6%;background:0;border:0;opacity:.4;transition:opacity .1s}.bp-lr:focus,.bp-lr:hover{opacity:.8}@keyframes bpf{50%{transform:translatex(15px)}100%{transform:none}}@keyframes bpl{50%{transform:translatex(-15px)}100%{transform:none}}@keyframes bpfl{0%{opacity:0;transform:translatex(70px)}100%{opacity:1;transform:none}}@keyframes bpfr{0%{opacity:0;transform:translatex(-70px)}100%{opacity:1;transform:none}}@keyframes bpfol{0%{opacity:1;transform:none}100%{opacity:0;transform:translatex(-70px)}}@keyframes bpfor{0%{opacity:1;transform:none}100%{opacity:0;transform:translatex(70px)}}@keyframes bpturn{0%{transform:none}100%{transform:rotate(360deg)}}@media (max-width:600px){.bp-lr{font-size:15vw}}",document.head[O](f),(e=document[N]("DIV")).id="bp_container",e.onclick=Y,l=s("bp-x"),e[O](l),"ontouchstart"in window&&(z=1,e.ontouchstart=function(n){var e=n.changedTouches;t=e[0].pageX},e.ontouchmove=function(t){t.preventDefault()},e.ontouchend=function(n){var e=n.changedTouches;if(y){var o=e[0].pageX-t;o<-30&&q(1),o>30&&q(-1)}}),i=document[N]("IMG"),(r=document[N]("VIDEO")).id="bp_vid",r.setAttribute("playsinline",1),r.controls=1,r.loop=1,(a=document[N]("audio")).id="bp_aud",a.controls=1,a.loop=1,(H=document[N]("span")).id="bp_count",(b=document[N]("DIV")).id="bp_caption",(x=s("bp-xc")).onclick=X.bind(null,0),b[O](x),g=document[N]("SPAN"),b[O](g),e[O](b),S=d(1,"transform:scalex(-1)"),L=d(-1,"left:0;right:auto"),(m=document[N]("DIV")).id="bp_loader",m.innerHTML='<svg viewbox="0 0 32 32" fill="#fff" opacity=".8"><path d="M16 0a16 16 0 0 0 0 32 16 16 0 0 0 0-32m0 4a12 12 0 0 1 0 24 12 12 0 0 1 0-24" fill="#000" opacity=".5"/><path d="M16 0a16 16 0 0 1 16 16h-4A12 12 0 0 0 16 4z"/></svg>',(c=document[N]("DIV")).id="bp_sv",(p=document[N]("IFRAME")).setAttribute("allowfullscreen",1),p.allow="autoplay; fullscreen",p.onload=function(){return c[V](m)},j(p,"border:0;position:absolute;height:100%;width:100%;left:0;top:0"),c[O](p),i.onload=U,i.onerror=U.bind(null,"image"),window.addEventListener("resize",function(){y||u&&R(1),o===c&&P()}),document.addEventListener("keyup",function(t){var n=t.keyCode;27===n&&v&&Y(),y&&(39===n&&q(1),37===n&&q(-1),38===n&&q(10),40===n&&q(-10))}),document.addEventListener("keydown",function(t){y&&~[37,38,39,40].indexOf(t.keyCode)&&t.preventDefault()}),document.addEventListener("focus",function(t){v&&!e.contains(t.target)&&(t.stopPropagation(),l.focus())},1),n=1}(),u&&(clearTimeout(f),$()),I=w,d=w.ytSrc||w.vimeoSrc,T=w.animationStart,k=w.animationEnd,M=w.onChangeImage,_=0,h=(t=w.el).getAttribute("data-caption"),w.gallery?function(n,r){var a=I.galleryAttribute||"data-bp";if(Array.isArray(n))A=n,h=n[E=r||0].caption;else{var c=(A=[].slice.call("string"==typeof n?document.querySelectorAll(n+" ["+a+"]"):n)).indexOf(t);E=0===r||r?r:-1!==c?c:0,A=A.map(function(t){return{el:t,src:t.getAttribute(a),caption:t.getAttribute("data-caption")}})}_=1,!~C.indexOf(s=A[E].src)&&R(1),A.length>1?(e[O](H),H.innerHTML=E+1+"/"+A.length,z||(e[O](S),e[O](L))):A=0,(o=i).src=s}(w.gallery,w.position):d||w.iframeSrc?(o=c,I.ytSrc?W="https://www.youtube.com/embed/"+d+"?html5=1&rel=0&playsinline=1&autoplay=1":I.vimeoSrc?W="https://player.vimeo.com/video/"+d+"?autoplay=1":I.iframeSrc&&(W=I.iframeSrc),j(m,""),c[O](m),p.src=W,P(),setTimeout(U,9)):w.imgSrc?(_=1,!~C.indexOf(s=w.imgSrc)&&R(1),(o=i).src=s):w.audio?(R(1),(o=a).src=w.audio,G("audio file")):w.vidSrc?(R(1),w.dimensions&&j(r,"width:"+w.dimensions[0]+"px"),D=w.vidSrc,Array.isArray(D)?(o=r.cloneNode(),D.forEach(function(t){var n=document[N]("SOURCE");n.src=t,n.type="video/"+t.match(/.(\w+)$/)[1],o[O](n)})):(o=r).src=D,G("video")):(o=i).src="IMG"===t.tagName?t.src:window.getComputedStyle(t).backgroundImage.replace(/^url|[(|)|'|"]/g,""),e[O](o),document.body[O](e),{close:Y,next:function(){return q(1)},prev:function(){return q(-1)}};var W}}();