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Web上最易于集成的图片查看器
此脚本不应直接安装。它是供其他脚本使用的外部库，要使用该库请加入元指令 // @require https://update.greasyfork.icu/scripts/400393/790953/Spotlight.js
// ==UserScript==
// @author Thomas Wilkerling
// @name Spotlight
// @version 0.6.5
// @description Web上最易于集成的图片查看器
// @license Apache-2.0
// ==/UserScript==
/**
* Spotlight.js v0.6.5 (Bundle)
* Copyright 2019 Nextapps GmbH
* Author: Thomas Wilkerling
* Licence: Apache-2.0
* https://github.com/nextapps-de/spotlight
*/
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l(N, "transition", "none"), document.body.appendChild(N), wa = V("scene"), xa = V("footer"), ya = V("title"), za = V("description"), Aa = V("arrow-left"), Ba = V("arrow-right"), O = V("fullscreen"), Ca = V("page"), Da = V("player"), Ea = V("progress"), P = V("preloader"), S = document.documentElement || document.body, document.cancelFullScreen || (document.cancelFullScreen = document.exitFullscreen || document.webkitCancelFullScreen || document.webkitExitFullscreen || document.mozCancelFullScreen || function() {}), S.requestFullScreen || (S.requestFullScreen =
S.webkitRequestFullScreen || S.msRequestFullScreen || S.mozRequestFullScreen || l(O, "display", "none") || function() {}), Ga = [
[window, "keydown", Sa],
[window, "wheel", Ta],
[window, "hashchange", Ua],
[window, "resize", Va],
[P, "mousedown", Wa],
[P, "mouseleave", Xa],
[P, "mouseup", Xa],
[P, "mousemove", Ya],
[P, "touchstart", Wa, {
passive: !1
}],
[P, "touchcancel", Xa],
[P, "touchend", Xa],
[P, "touchmove", Ya, {
passive: !0
}],
[O, "", Za],
[Aa, "", $a],
[Ba, "", W],
[Da, "", ab],
[V("autofit"), "", bb],
[V("zoom-in"), "", cb],
[V("zoom-out"), "", db],
[V("close"), "",
eb
],
[V("theme"), "", Na]
], Ra = !0)
}
function Va() {
u = N.clientWidth;
v = N.clientHeight;
M && (y = M.width, z = M.height, fb())
}
function fb() {
l(M, "transform", "translate(-50%, -50%) scale(" + A + ")")
}
function X(a, b) {
l(K, "transform", a || b ? "translate(" + a + "px, " + b + "px)" : "")
}
function Ia(a, b) {
(a ? m : l)(wa, "transform", "translateX(" + (100 * -(G - 1) + (b || 0)) + "%)")
}
function gb(a) {
for (var b = 0; b < Ga.length; b++) {
var c = Ga[b];
(a ? la : na)(c[0], c[1], c[2], c[3])
}
}
function Pa(a) {
var b = hb.call(a.target, ".spotlight");
if (b) {
var c = hb.call(b, ".spotlight-group"),
d = (c || document).getElementsByClassName("spotlight");
La(b.dataset, c && c.dataset);
for (c = 0; c < d.length; c++)
if (d[c] === b) {
Ha(d, c + 1);
break
}
ib();
return n(a)
}
}
function Sa(a) {
if (K) switch (a.keyCode) {
case 8:
bb();
break;
case 27:
eb();
break;
case 32:
"false" !== I.player && ab();
break;
case 37:
$a();
break;
case 39:
W();
break;
case 38:
case 107:
case 187:
cb();
break;
case 40:
case 109:
case 189:
db()
}
}
function Ta(a) {
K && (a = a.deltaY, 0 > .5 * (0 > a ? 1 : a ? -1 : 0) ? db() : cb())
}
function Ua() {
K && "#spotlight" === location.hash && eb(!0)
}
function ab(a) {
("boolean" === typeof a ? a : !Q) ? Q || (Q = setInterval(W, va), f(Da, "on"), ta && jb()): Q && (Q = clearInterval(Q), h(Da, "on"), ta && m(Ea, "transform", ""));
return Q
}
function Y() {
R ? clearTimeout(R) : f(N, "menu");
var a = I.autohide;
R = "false" !== a ? setTimeout(function() {
h(N, "menu");
R = null
}, 1 * a || 3E3) : 1
}
function kb(a) {
"boolean" === typeof a && (R = a ? R : 0);
R ? (R = clearTimeout(R), h(N, "menu")) : Y();
return n(a)
}
function Wa(a) {
B = !0;
C = !1;
var b = lb(a);
D = y * A <= u;
pa = b.x;
qa = b.y;
return n(a, !0)
}
function Xa(a) {
if (B && !C) return B = !1, kb(a);
D && C && (Ia(!0, q / u * 100), q < -(v / 10) && W() || q > v / 10 && $a() || Ia(), q = 0, D = !1, X());
B = !1;
return n(a)
}
function Ya(a) {
if (B) {
Fa || (Fa = requestAnimationFrame(mb));
var b = lb(a),
c = (y * A - u) / 2;
C = !0;
q -= pa - (pa = b.x);
D ? E = !0 : q > c ? q = c : 0 < u - q - y * A + c ? q = u - y * A + c : E = !0;
z * A > v && (c = (z * A - v) / 2, r -= qa - (qa = b.y), r > c ? r = c : 0 < v - r - z * A + c ? r = v - z * A + c : E = !0)
} else Y();
return n(a, !0)
}
function lb(a) {
var b = a.touches;
b && (b = b[0]);
return {
x: b ? b.clientX : a.pageX,
y: b ? b.clientY : a.pageY
}
}
function mb(a) {
E ? (a && (Fa = requestAnimationFrame(mb)), X(q, r)) : Fa = null;
E = !1
}
function Za(a) {
("boolean" === typeof a ? a : document.isFullScreen || document.webkitIsFullScreen || document.mozFullScreen) ? (document.cancelFullScreen(), h(O, "on")) : (S.requestFullScreen(), f(O, "on"))
}
function bb(a) {
"boolean" === typeof a && (F = !a);
F = 1 === A && !F;
l(M, {
maxHeight: F ? "none" : "",
maxWidth: F ? "none" : "",
transform: ""
});
y = M.width;
z = M.height;
A = 1;
r = q = 0;
E = !0;
X();
Y()
}
function cb(a) {
var b = A / .65;
5 >= b && nb(A = b);
a || Y()
}
function nb(a) {
A = a || 1;
fb()
}
function db(a) {
var b = .65 * A;
1 <= b && (nb(A = b), r = q = 0, E = !0, X());
a || Y()
}
function ib() {
location.hash = "spotlight";
location.hash = "show";
l(N, "transition", "");
f(S, "hide-scrollbars");
f(N, "show");
gb(!0);
Va();
Y()
}
function eb(a) {
gb(!1);
history.go(!0 === a ? -1 : -2);
h(S, "hide-scrollbars");
h(N, "show");
Q && ab(!1);
M.parentNode.removeChild(M);
K = L = M = T = I = ua = null
}
function $a() {
if (1 < G) return Z(G - 1);
if (Q || J) return Z(H)
}
function W() {
if (G < H) return Z(G + 1);
if (Q || J) return Z(1)
}
function Z(a) {
if (!(Q && B || a === G)) {
Q || Y();
Q && ta && jb();
var b = a > G;
G = a;
Ja(b);
return !0
}
}
function jb() {
m(Ea, {
transitionDuration: "",
transform: ""
});
l(Ea, {
transitionDuration: va + "ms",
transform: "translateX(0)"
})
}
function Na(a) {
"boolean" === typeof a ? ra = a : (ra = !ra, Y());
ra ? f(N, sa) : h(N, sa)
}
function Ja(a) {
r = q = 0;
A = 1;
var b = I.animation,
c = !0,
d = !0,
e = !0;
if (b || "" === b) {
c = d = e = !1;
b = "string" === typeof b ? b.split(",") : b;
for (var k = 0; k < b.length; k++) {
var t = b[k].trim();
if ("scale" === t) c = !0;
else if ("fade" === t) d = !0;
else if ("slide" === t) e = !0;
else if ("flip" === t) var w = !0;
else if ("false" !== t) {
c = d = e = w = !1;
var x = t;
break
}
}
}
l(wa, "transition", e ? "" : "none");
Ia();
K && X();
if (M) {
l(M, {
opacity: d ? 0 : 1,
transform: ""
});
var U = M;
setTimeout(function() {
U && M !== U && U.parentNode && U.parentNode.removeChild(U)
}, 800)
}
e = Oa();
x && f(M, x);
m(M, {
opacity: d ? 0 : 1,
transform: "translate(-50%, -50%)" + (c ? " scale(0.8)" : "") + (w && "undefined" !== typeof a ? " rotateY(" + (a ? "" : "-") + "90deg)" : ""),
maxHeight: "",
maxWidth: ""
});
e && l(M, {
visibility: "visible",
opacity: 1,
transform: ""
});
x && h(M, x);
X();
l(Aa, "visibility", J || 1 !== G ? "" : "hidden");
l(Ba, "visibility", J || G !== H ? "" : "hidden");
a = T[G - 1];
if (c = (c = a.title || a.description) && "false" !== c) ka(ya, a.title || ""), ka(za, a.description || "");
l(xa, "visibility", c ? "visible" : "hidden");
ka(Ca, G + " / " + H);
ua && ua(G)
}
var hb = Element.prototype.closest || function(a) {
var b = this;
for (a = a.substring(1); b && 1 === b.nodeType;) {
if (b.classList.contains(a)) return b;
b = b.parentElement || b.parentNode
}
};
window.Spotlight = {
init: Qa,
theme: Na,
fullscreen: Za,
autofit: bb,
next: W,
prev: $a,
"goto": Z,
close: eb,
zoom: nb,
menu: kb,
show: function(a, b) {
setTimeout(function() {
a ? (b ? La(b) : b = {}, Ha(a, b.index)) : I = {};
ib()
})
},
play: ab
};
}).call(this);