Add Prime Video presence

presences/primevideo/metadata.json

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+{
+  "id": "primevideo",
+  "name": "Prime Video",
+  "description": "Shows the title you're watching on Amazon Prime Video.",
+  "version": "1.0.0",
+  "author": "hibna",
+  "match": [
+    "https://www.primevideo.com/*",
+    "https://www.amazon.com/gp/video/*",
+    "https://www.amazon.com/-/*/gp/video/*",
+    "https://www.amazon.co.uk/gp/video/*",
+    "https://www.amazon.de/gp/video/*"
+  ],
+  "tickInterval": 1500,
+  "sdkVersion": "^0.1.0"
+}

presences/primevideo/src/presence.ts

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+import { ActivityType, definePresence } from "@source/presence-sdk";
+
+function findVideo(): HTMLVideoElement | null {
+  return document.querySelector<HTMLVideoElement>(
+    "video.webPlayerElement, video.rendererContainer__video, video[src], video",
+  );
+}
+
+function isPlayerOpen(): boolean {
+  if (document.querySelector(".webPlayerSDKContainer")) return true;
+  if (document.querySelector("[data-automation-id='webPlayer']")) return true;
+  return /\/(detail|gp\/video\/detail)\//.test(location.pathname) === false &&
+    document.querySelector("video") !== null &&
+    location.pathname.includes("/video/");
+}
+
+function readPlayerTitle(): string | null {
+  const candidates = [
+    "h1.atvwebplayersdk-title-text",
+    ".atvwebplayersdk-title-text",
+    "[data-automation-id='title']",
+    ".webPlayerSDKContainer h1",
+  ];
+  for (const sel of candidates) {
+    const node = document.querySelector<HTMLElement>(sel);
+    const text = node?.textContent?.trim();
+    if (text) return text;
+  }
+  return null;
+}
+
+function readPlayerSubtitle(): string | null {
+  const candidates = [
+    ".atvwebplayersdk-subtitle-text",
+    "[data-automation-id='subtitle']",
+  ];
+  for (const sel of candidates) {
+    const node = document.querySelector<HTMLElement>(sel);
+    const text = node?.textContent?.trim();
+    if (text) return text;
+  }
+  return null;
+}
+
+function readDetailTitle(): string | null {
+  const node =
+    document.querySelector<HTMLElement>("[data-automation-id='title']") ??
+    document.querySelector<HTMLElement>("h1");
+  return node?.textContent?.trim() ?? null;
+}
+
+function browsingLabel(): string {
+  const path = location.pathname;
+  if (/\/(detail|gp\/video\/detail)\//.test(path)) return "Viewing title";
+  if (path.includes("/search/") || location.search.includes("phrase=")) return "Searching";
+  if (path.includes("/storefront/")) return "Browsing store";
+  if (path.includes("/library/") || path.includes("/watchlist")) return "Browsing watchlist";
+  return "Browsing";
+}
+
+export default definePresence({
+  match: [
+    "https://www.primevideo.com/*",
+    "https://www.amazon.com/gp/video/*",
+    "https://www.amazon.com/-/*/gp/video/*",
+    "https://www.amazon.co.uk/gp/video/*",
+    "https://www.amazon.de/gp/video/*",
+  ],
+  tickInterval: 1500,
+  tick(ctx) {
+    const video = findVideo();
+    if (video && isPlayerOpen()) {
+      const title = readPlayerTitle();
+      if (!title) {
+        ctx.setActivity({
+          type: ActivityType.WATCHING,
+          name: "Prime Video",
+          details: "Loading…",
+        });
+        return;
+      }
+      const subtitle = readPlayerSubtitle();
+      const paused = video.paused;
+      const remainingMs =
+        Number.isFinite(video.duration) && video.duration > 0
+          ? Math.floor((video.duration - video.currentTime) * 1000)
+          : null;
+      ctx.setActivity({
+        type: ActivityType.WATCHING,
+        name: "Prime Video",
+        details: title,
+        state: subtitle
+          ? `${paused ? "Paused" : "Watching"} · ${subtitle}`
+          : paused
+            ? "Paused"
+            : "Watching",
+        url: location.href,
+        startedAt: paused ? null : Date.now() - Math.floor(video.currentTime * 1000),
+        endsAt: paused || remainingMs === null ? null : Date.now() + remainingMs,
+      });
+      return;
+    }
+
+    if (/\/(detail|gp\/video\/detail)\//.test(location.pathname)) {
+      const title = readDetailTitle();
+      ctx.setActivity({
+        type: ActivityType.WATCHING,
+        name: "Prime Video",
+        details: title ? `Viewing ${title}` : "Viewing title",
+      });
+      return;
+    }
+
+    ctx.setActivity({
+      type: ActivityType.WATCHING,
+      name: "Prime Video",
+      details: browsingLabel(),
+    });
+  },
+});