Reload when a drive is created in a different worker (driveless mode)

www/common/cryptpad-common.js

@@ -2518,6 +2518,23 @@ define([
             };
             // XXX if you're in noDrive mode, check if an FS_hash is added and reload if that's the case
             // Listen for login/logout in other tabs
+            if (rdyCfg.noDrive && !localStorage[Constants.fileHashKey]) {
+                window.addEventListener('storage', function (e) {
+                    if (e.key !== Constants.fileHashKey) { return; }
+                    // New entry added to FS_hash: drive created in another tab, reload
+                    var o = e.oldValue;
+                    var n = e.newValue;
+                    if (!o && n) {
+                        postMessage('HAS_DRIVE', null, function(obj) {
+                            // If we're still in noDrive mode, reload
+                            if (!obj.state) {
+                                LocalStore.loginReload();
+                            }
+                            // Otherwise this worker is connected, nothing to do
+                        });
+                    }
+                });
+            }
             window.addEventListener('storage', function (e) {
                 if (e.key !== Constants.userHashKey) { return; }
                 var o = e.oldValue;

www/common/outer/async-store.js

@@ -2947,6 +2947,13 @@ define([
          */
         var initialized = false;
 
+        // Are we still in noDrive mode?
+        Store.hasDrive = function (clientId, data, cb) {
+            cb({
+                state: Boolean(store.proxy)
+            });
+        };
+
         // If we load CryptPad for the first time from an existing pad, don't create a
         // drive automatically.
         var onNoDrive = function (clientId, cb) {

www/common/outer/store-rpc.js

@@ -15,6 +15,7 @@ define([
             MIGRATE_ANON_DRIVE: Store.migrateAnonDrive,
             PING: function (cId, data, cb) { cb(); },
             CACHE_DISABLE: Store.disableCache,
+            HAS_DRIVE: Store.hasDrive,
             // RPC
             UPDATE_PIN_LIMIT: Store.updatePinLimit,
             GET_PIN_LIMIT: Store.getPinLimit,