MediaWiki:Common.js: Unterschied zwischen den Versionen

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@@ Zeile 998: / Zeile 998: @@
    mw.loader.load('/index.php?title=MediaWiki:Gadget-LabelScan.css&action=raw&ctype=text/css', 'text/css');
 });
+// ==========================ScanApp==================================
+/* ==== PWA: Manifest + Service Worker + Install-Button (ES5) ==== */
+/* Manifest einbinden */
+(function () {
+  var link = document.createElement("link");
+  link.rel = "manifest";
+  link.href = "/app/labelscan/manifest.json";
+  document.head.appendChild(link);
+})();
+/* Service Worker registrieren (nur wenn vorhanden) */
+(function () {
+  if ("serviceWorker" in navigator) {
+    navigator.serviceWorker.register("/app/labelscan/sw.js")["catch"](function () {});
+  }
+})();
+/* Install-Button steuern (Button-ID: ados-install) */
+(function () {
+  var installPrompt = null;
+  // Wird von Chrome/Edge/Android gefeuert, wenn installierbar
+  window.addEventListener("beforeinstallprompt", function (e) {
+    try {
+      e.preventDefault();
+    } catch (ex) {}
+    installPrompt = e;
+    var btn = document.getElementById("ados-install");
+    if (btn) {
+      btn.style.display = "inline-block";
+    }
+  });
+  // Sicherstellen, dass DOM existiert, bevor wir Handler setzen
+  function onReady(fn) {
+    if (document.readyState === "loading") {
+      document.addEventListener("DOMContentLoaded", fn);
+    } else {
+      fn();
+    }
+  }
+  onReady(function () {
+    var btn = document.getElementById("ados-install");
+    if (!btn) return;
+    btn.addEventListener("click", function () {
+      if (!installPrompt) return;
+      try {
+        installPrompt.prompt();
+      } catch (ex) {}
+      installPrompt = null;
+      btn.style.display = "none";
+    });
+  });
+})();