MediaWiki:Common.js: Difference between revisions

MediaWiki:Common.js (view source)

467 bytes added , 24 December 2023

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-/* Disable user scaling on mobile devices */
+/* Restrict zooming out beyond the initial page size on mobile */
-@media only screen and (max-width: 767px) {
+var initialScale = 1;
-     body {
-         touch-action: manipulation;
+document.addEventListener('wheel', function(e) {
-         zoom: 1.0 !important;
+    if (e.deltaY < 0 && window.innerWidth <= window.screen.width) {
-         -ms-touch-action: manipulation;
+        /* Zoom in */
+        initialScale *= 1.1;
+     } else if (e.deltaY > 0 && window.innerWidth <= window.screen.width && initialScale > 1) {
+         /* Zoom out */
+         initialScale /= 1.1;
+    }
+    updateViewport();
+});
+function updateViewport() {
+    var viewport = document.querySelector("meta[name=viewport]");
+    if (viewport) {
+         viewport.content = "width=device-width, initial-scale=" + initialScale + ", maximum-scale=1, user-scalable=yes";
      }
 }