Release Vulpes OS 2.7-preview.22

services/media-permission.mjs

@@ -0,0 +1,23 @@
+// Use Gaia's permission panel so fullscreen hosts do not open a hidden desktop dialog.
+export function requestMediaPermission(win, request, clone = value => value) {
+  return new Promise(resolve => {
+    const finish = result => {
+      win.removeEventListener('mozContentEvent', response);
+      win.removeEventListener('pagehide', cancelled);
+      resolve(result);
+    };
+    const response = event => {
+      const detail = event.detail;
+      if (detail?.id !== request.id || !['permission-allow', 'permission-deny'].includes(detail.type)) return;
+      finish({allowed:detail.type === 'permission-allow', remember:detail.remember === true});
+    };
+    const cancelled = () => finish({allowed:false, remember:false});
+    win.addEventListener('mozContentEvent', response);
+    win.addEventListener('pagehide', cancelled, {once:true});
+    win.dispatchEvent(new win.CustomEvent('mozChromeEvent', {detail:clone({
+      type:'permission-prompt', id:request.id, origin:request.origin,
+      manifestURL:request.manifestURL, isApp:true, isGranted:false, remember:false,
+      permissions:{[request.kind === 'microphone' ? 'audio-capture' : 'video-capture']:[]},
+    })}));
+  });
+}