Files
SponsorBlock/src/utils/thumbnails.ts

187 lines
7.6 KiB
TypeScript

import { extractVideoID, isOnInvidious } from "../../maze-utils/src/video";
import Config from "../config";
import { getHasStartSegment, getVideoLabel } from "./videoLabels";
import { getThumbnailSelector, setThumbnailListener } from "../../maze-utils/src/thumbnailManagement";
import { VideoID } from "../types";
import { getSegmentsForVideo } from "./segmentData";
import { onMobile } from "../../maze-utils/src/pageInfo";
export async function handleThumbnails(thumbnails: HTMLImageElement[]): Promise<void> {
await Promise.all(thumbnails.map((t) => {
labelThumbnail(t);
setupThumbnailHover(t);
}));
}
export async function labelThumbnail(thumbnail: HTMLImageElement): Promise<HTMLElement | null> {
if (!Config.config?.fullVideoSegments || !Config.config?.fullVideoLabelsOnThumbnails) {
hideThumbnailLabel(thumbnail);
return null;
}
const videoID = await extractVideoIDFromElement(thumbnail);
if (!videoID) {
hideThumbnailLabel(thumbnail);
return null;
}
const category = await getVideoLabel(videoID);
if (!category) {
hideThumbnailLabel(thumbnail);
return null;
}
const { overlay, text } = createOrGetThumbnail(thumbnail);
overlay.style.setProperty('--category-color', `var(--sb-category-preview-${category}, var(--sb-category-${category}))`);
overlay.style.setProperty('--category-text-color', `var(--sb-category-text-preview-${category}, var(--sb-category-text-${category}))`);
text.innerText = chrome.i18n.getMessage(`category_${category}`);
overlay.classList.add("sponsorThumbnailLabelVisible");
return overlay;
}
export async function setupThumbnailHover(thumbnail: HTMLImageElement): Promise<void> {
// Cache would be reset every load due to no SPA
if (isOnInvidious()) return;
const mainElement = thumbnail.closest("#dismissible") as HTMLElement;
if (mainElement) {
mainElement.removeEventListener("mouseenter", thumbnailHoverListener);
mainElement.addEventListener("mouseenter", thumbnailHoverListener);
}
}
function thumbnailHoverListener(e: MouseEvent) {
if (!chrome.runtime?.id) return;
const thumbnail = (e.target as HTMLElement).querySelector(getThumbnailSelector()) as HTMLImageElement;
if (!thumbnail) return;
// Pre-fetch data for this video
let fetched = false;
const preFetch = async () => {
fetched = true;
const videoID = await extractVideoIDFromElement(thumbnail);
if (videoID && await getHasStartSegment(videoID)) {
void getSegmentsForVideo(videoID, false);
}
};
const timeout = setTimeout(preFetch, 100);
const onMouseDown = () => {
clearTimeout(timeout);
if (!fetched) {
preFetch();
}
};
e.target.addEventListener("mousedown", onMouseDown, { once: true });
e.target.addEventListener("mouseleave", () => {
clearTimeout(timeout);
e.target.removeEventListener("mousedown", onMouseDown);
}, { once: true });
}
function getLink(thumbnail: HTMLImageElement): HTMLAnchorElement | null {
if (isOnInvidious()) {
return thumbnail.parentElement as HTMLAnchorElement | null;
} else if (!onMobile()) {
const link = thumbnail.querySelector("a#thumbnail, a.reel-item-endpoint, a.yt-lockup-metadata-view-model__title, a.yt-lockup-metadata-view-model__title-link, a.yt-lockup-view-model__content-image, a.yt-lockup-metadata-view-model-wiz__title") as HTMLAnchorElement;
if (link) {
return link;
} else if (thumbnail.nodeName === "YTD-HERO-PLAYLIST-THUMBNAIL-RENDERER"
|| thumbnail.nodeName === "YT-THUMBNAIL-VIEW-MODEL"
) {
return thumbnail.closest("a") as HTMLAnchorElement;
} else {
return null;
}
} else {
// Big thumbnails, compact thumbnails, shorts, channel feature, playlist header
return thumbnail.querySelector("a.media-item-thumbnail-container, a.compact-media-item-image, a.reel-item-endpoint, :scope > a, .amsterdam-playlist-thumbnail-wrapper > a") as HTMLAnchorElement;
}
}
async function extractVideoIDFromElement(thumbnail: HTMLImageElement): Promise<VideoID | null> {
const link = getLink(thumbnail);
if (!link || link.nodeName !== "A" || !link.href) return null; // no link found
return await extractVideoID(link);
}
function getOldThumbnailLabel(thumbnail: HTMLImageElement): HTMLElement | null {
return thumbnail.querySelector(".sponsorThumbnailLabel") as HTMLElement | null;
}
function hideThumbnailLabel(thumbnail: HTMLImageElement): void {
const oldLabel = getOldThumbnailLabel(thumbnail);
if (oldLabel) {
oldLabel.classList.remove("sponsorThumbnailLabelVisible");
}
}
function createOrGetThumbnail(thumbnail: HTMLImageElement): { overlay: HTMLElement; text: HTMLElement } {
const oldElement = getOldThumbnailLabel(thumbnail);
if (oldElement) {
return {
overlay: oldElement as HTMLElement,
text: oldElement.querySelector("span") as HTMLElement
};
}
const overlay = document.createElement("div") as HTMLElement;
overlay.classList.add("sponsorThumbnailLabel");
// Disable hover autoplay
overlay.addEventListener("pointerenter", (e) => {
e.stopPropagation();
thumbnail.dispatchEvent(new PointerEvent("pointerleave", { bubbles: true }));
});
overlay.addEventListener("pointerleave", (e) => {
e.stopPropagation();
thumbnail.dispatchEvent(new PointerEvent("pointerenter", { bubbles: true }));
});
const icon = createSBIconElement();
const text = document.createElement("span");
overlay.appendChild(icon);
overlay.appendChild(text);
thumbnail.appendChild(overlay);
return {
overlay,
text
};
}
function createSBIconElement(): SVGSVGElement {
const svg = document.createElementNS("http://www.w3.org/2000/svg", "svg");
svg.setAttribute("viewBox", "0 0 565.15 568");
const use = document.createElementNS("http://www.w3.org/2000/svg", "use");
use.setAttribute("href", "#SponsorBlockIcon");
svg.appendChild(use);
return svg;
}
// Inserts the icon svg definition, so it can be used elsewhere
function insertSBIconDefinition() {
const container = document.createElement("span");
// svg from /public/icons/PlayerStartIconSponsorBlocker.svg, with useless stuff removed
container.innerHTML = `
<svg viewBox="0 0 565.15 568" style="display: none">
<defs>
<g id="SponsorBlockIcon">
<path d="M282.58,568a65,65,0,0,1-34.14-9.66C95.41,463.94,2.54,300.46,0,121A64.91,64.91,0,0,1,34,62.91a522.56,522.56,0,0,1,497.16,0,64.91,64.91,0,0,1,34,58.12c-2.53,179.43-95.4,342.91-248.42,437.3A65,65,0,0,1,282.58,568Zm0-548.31A502.24,502.24,0,0,0,43.4,80.22a45.27,45.27,0,0,0-23.7,40.53c2.44,172.67,91.81,330,239.07,420.83a46.19,46.19,0,0,0,47.61,0C453.64,450.73,543,293.42,545.45,120.75a45.26,45.26,0,0,0-23.7-40.54A502.26,502.26,0,0,0,282.58,19.69Z"/>
<path d="M 284.70508 42.693359 A 479.9 479.9 0 0 0 54.369141 100.41992 A 22.53 22.53 0 0 0 42.669922 120.41992 C 45.069922 290.25992 135.67008 438.63977 270.83008 522.00977 A 22.48 22.48 0 0 0 294.32031 522.00977 C 429.48031 438.63977 520.08047 290.25992 522.48047 120.41992 A 22.53 22.53 0 0 0 510.7793 100.41992 A 479.9 479.9 0 0 0 284.70508 42.693359 z M 220.41016 145.74023 L 411.2793 255.93945 L 220.41016 366.14062 L 220.41016 145.74023 z "/>
</g>
</defs>
</svg>`;
document.body.appendChild(container.children[0]);
}
export function setupThumbnailListener(): void {
setThumbnailListener(handleThumbnails, () => {
insertSBIconDefinition();
}, () => Config.isReady());
}