mirror of
https://github.com/the1812/Bilibili-Evolved.git
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83 lines
2.7 KiB
JavaScript
83 lines
2.7 KiB
JavaScript
const regex = /@(\d+)[Ww]_(\d+)[Hh]/;
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const dpi = settings.imageResolutionScale === "auto" ? window.devicePixelRatio : parseFloat(settings.imageResolutionScale);
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const excludeSelectors = [
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"#certify-img1",
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"#certify-img2",
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];
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// const imageFormats = [
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// ".jpg",
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// ".png",
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// ".gif",
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// ".webp"
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// ];
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const walk = (rootElement, action) => {
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const walker = document.createTreeWalker(rootElement, NodeFilter.SHOW_ELEMENT, null, false);
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let node = walker.nextNode();
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while (node) {
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action(node);
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node = walker.nextNode();
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}
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};
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export async function imageResolution(element) {
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const replaceSource = (getValue, setValue) => {
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const value = getValue(element);
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if (value === null) {
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return;
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}
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if (excludeSelectors.some(it => element.matches(it))) {
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return;
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}
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// if (!imageFormats.some(it => value.endsWith(it)))
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// {
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// return;
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// }
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const match = value.match(regex);
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if (!match) {
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return;
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}
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let [, width, height] = match;
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let lastWidth = parseInt(element.getAttribute("data-resolution-width") || "0");
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if (parseInt(width) >= lastWidth && lastWidth !== 0) {
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return;
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}
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if (element.getAttribute("width") === null && element.getAttribute("height") === null) {
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element.setAttribute("width", width);
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}
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width = Math.round(dpi * parseInt(width)).toString();
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height = Math.round(dpi * parseInt(height)).toString();
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element.setAttribute("data-resolution-width", width);
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setValue(element, value.replace(regex, `@${width}w_${height}h`));
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};
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Observer.attributes(element, () => {
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replaceSource(e => e.getAttribute("src"), (e, v) => e.setAttribute("src", v));
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replaceSource(e => e.style.backgroundImage, (e, v) => e.style.backgroundImage = v);
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});
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}
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const startResolution = async () => {
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walk(document.body, it => imageResolution(it));
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Observer.childListSubtree(document.body, records => {
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for (const record of records) {
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for (const node of record.addedNodes) {
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if (node instanceof HTMLElement) {
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imageResolution(node);
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if (node.nodeName.toUpperCase() !== "IMG") {
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walk(node, it => imageResolution(it));
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}
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}
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}
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}
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});
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};
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startResolution();
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// if (document.readyState === "complete")
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// {
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// startResolution();
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// }
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// else
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// {
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// unsafeWindow.addEventListener('load', () => startResolution());
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// }
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export default {
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export: { imageResolution }
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};
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