wait until cross-signing keys are fetched to show verify button

src/components/views/right_panel/UserInfo.js

@@ -142,7 +142,7 @@ function useIsEncrypted(cli, room) {
 function useHasCrossSigningKeys(cli, member, canVerify, setUpdating) {
     return useAsyncMemo(async () => {
         if (!canVerify) {
-            return false;
+            return undefined;
         }
         setUpdating(true);
         try {
@@ -153,7 +153,7 @@ function useHasCrossSigningKeys(cli, member, canVerify, setUpdating) {
         } finally {
             setUpdating(false);
         }
-    }, [cli, member, canVerify], false);
+    }, [cli, member, canVerify], undefined);
 }
 
 function DeviceItem({userId, device}) {
@@ -1307,7 +1307,9 @@ const BasicUserInfo = ({room, member, groupId, devices, isRoomEncrypted}) => {
     const hasCrossSigningKeys =
         useHasCrossSigningKeys(cli, member, canVerify, setUpdating );
 
+    const showDeviceListSpinner = devices === undefined;
     if (canVerify) {
+        if (hasCrossSigningKeys !== undefined) {
             // Note: mx_UserInfo_verifyButton is for the end-to-end tests
             verifyButton = (
                 <AccessibleButton className="mx_UserInfo_field mx_UserInfo_verifyButton" onClick={() => {
@@ -1320,6 +1322,13 @@ const BasicUserInfo = ({room, member, groupId, devices, isRoomEncrypted}) => {
                     {_t("Verify")}
                 </AccessibleButton>
             );
+        } else if (!showDeviceListSpinner) {
+            // HACK: only show a spinner if the device section spinner is not shown,
+            // to avoid showing a double spinner
+            // We should ask for a design that includes all the different loading states here
+            const Spinner = sdk.getComponent('elements.Spinner');
+            verifyButton = <Spinner />;
+        }
     }
 
     const securitySection = (
@@ -1328,7 +1337,7 @@ const BasicUserInfo = ({room, member, groupId, devices, isRoomEncrypted}) => {
             <p>{ text }</p>
             { verifyButton }
             <DevicesSection
-                loading={devices === undefined}
+                loading={showDeviceListSpinner}
                 devices={devices}
                 userId={member.userId} />
         </div>