disable sync for encrypted wallets with no saved password

src/ui/component/syncToggle/view.jsx

@@ -12,6 +12,7 @@ type Props = {
   history: { push: string => void },
   location: UrlLocation,
   getSyncError: ?string,
+  disabled: boolean,
 };
 
 function SyncToggle(props: Props) {
@@ -22,6 +23,7 @@ function SyncToggle(props: Props) {
     getSyncError,
     history,
     location: { pathname },
+    disabled = false,
   } = props;
 
   function handleChange() {
@@ -47,6 +49,7 @@ function SyncToggle(props: Props) {
           label={__('Sync your balance and preferences accross devices.')}
           checked={syncEnabled}
           onChange={handleChange}
+          disabled={disabled}
         />
       )}
     </div>

src/ui/page/settings/view.jsx

@@ -196,6 +196,7 @@ class SettingsPage extends React.PureComponent<Props, State> {
       darkModeTimes,
       clearCache,
     } = this.props;
+    const { storedPassword } = this.state;
 
     const noDaemonSettings = !daemonSettings || Object.keys(daemonSettings).length === 0;
 
@@ -215,7 +216,15 @@ class SettingsPage extends React.PureComponent<Props, State> {
         ) : (
           <div>
             <Card title={__('Language')} actions={<SettingLanguage />} />
-            <Card title={__('Sync')} actions={<SyncToggle />} />
+            <Card
+              title={__('Sync')}
+              subtitle={
+                walletEncrypted && !storedPassword
+                  ? __("To enable this feature, check 'Save Password' the next time you start the app.")
+                  : null
+              }
+              actions={<SyncToggle disabled={walletEncrypted && !storedPassword} />}
+            />
             {/* @if TARGET='app' */}
             <Card
               title={__('Download Directory')}

static/app-strings.json

@@ -829,5 +829,6 @@
   "Sync your balance and preferences accross devices.": "Sync your balance and preferences accross devices.",
   "%nameOrTitle% has been published to lbry://%name%. Click here to view it.": "%nameOrTitle% has been published to lbry://%name%. Click here to view it.",
   "Discussion": "Discussion",
-  "If you don't choose a file, the file from your existing claim %name% will be used": "If you don't choose a file, the file from your existing claim %name% will be used"
+  "If you don't choose a file, the file from your existing claim %name% will be used": "If you don't choose a file, the file from your existing claim %name% will be used",
+  "To enable this feature, check 'Save Password' the next time you start the app.": "To enable this feature, check 'Save Password' the next time you start the app."
 }