// ==UserScript==
// @name         subscene preview Image
// @namespace    http://tampermonkey.net/
// @version      1.2
// @description  Show image preview next to the titles by hovering the mouse.
// @author       dr.bobo0
// @match        https://subscene.com/u/*/subtitles*
// @icon         data:image/jpeg;base64,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
// @grant        none
// ==/UserScript==
document.querySelectorAll('a').forEach(link => {
link.addEventListener("mouseover", function(event) {
let previewContainer = document.createElement("div");
previewContainer.style.position = "fixed";
previewContainer.style.display = "none";
previewContainer.style.transition = "opacity 0.1s ease-in-out";
previewContainer.style.opacity = 0;
previewContainer.style.width = "154px";
previewContainer.style.height = "231px";
previewContainer.style.overflow = "hidden";
document.body.appendChild(previewContainer);
var url = this.href;
var cachedImage = localStorage.getItem(url);
if (cachedImage) {
previewContainer.innerHTML = `<img style="width: 100%; height: 100%; border-radius: 8px;" src="${cachedImage}"/>`;
document.addEventListener("mousemove", function (event) {
previewContainer.style.top = event.clientY + 20 + "px";
previewContainer.style.left = event.clientX + 20 + "px";
// check if preview div is too close to the edge of the screen
if (event.clientX + previewContainer.offsetWidth + 20 > window.innerWidth) {
previewContainer.style.left = window.innerWidth - previewContainer.offsetWidth - 20 + "px";
}
if (event.clientY + previewContainer.offsetHeight + 20 > window.innerHeight) {
previewContainer.style.top = window.innerHeight - previewContainer.offsetHeight - 20 + "px";
}
});
previewContainer.style.display = "block";
setTimeout(function () {
previewContainer.style.opacity = 1;
}, 0);
} else {
var xhr = new XMLHttpRequest();
xhr.open("GET", url);
xhr.responseType = "document";
xhr.onload = function() {
let preview = xhr.response.querySelector(".poster a img");
previewContainer.innerHTML = `<img style="width: 100%; height: 100%; border-radius: 8px;" src="${preview.getAttribute("src")}"/>`;
localStorage.setItem(url, preview.getAttribute("src"));
};
document.addEventListener("mousemove", function (event) {
previewContainer.style.top = event.clientY + 20 + "px";
previewContainer.style.left = event.clientX + 20 + "px";
// check if preview div is too close to the edge of the screen
if (event.clientX + previewContainer.offsetWidth + 20 > window.innerWidth) {
previewContainer.style.left = window.innerWidth - previewContainer.offsetWidth - 20 + "px";
}
if (event.clientY + previewContainer.offsetHeight + 20 > window.innerHeight) {
previewContainer.style.top = window.innerHeight - previewContainer.offsetHeight - 20 + "px";
}
});
xhr.send();
previewContainer.style.display = "block";
setTimeout(function () {
previewContainer.style.opacity = 1;
}, 0);
}
link.addEventListener("mouseout", function() {
previewContainer.style.opacity = 0;
document.removeEventListener("mousemove", function (event) {});
setTimeout(function () {
previewContainer.style.display = "none";
previewContainer.remove();
}, 300);
});
});
});