For #8967 - Expose autofill logins setting in nightly

app/src/androidTest/java/org/mozilla/fenix/ui/SettingsPrivacyTest.kt

@@ -169,6 +169,7 @@ class SettingsPrivacyTest {
         }.openLoginsAndPasswordSubMenu {
             verifyDefaultView()
             verifyDefaultValueSyncLogins()
+            verifyDefaultValueAutofillLogins()
         }.openSavedLogins {
             verifySavedLoginsView()
             tapSetupLater()

app/src/androidTest/java/org/mozilla/fenix/ui/robots/SettingsSubMenuLoginsAndPasswordRobot.kt

@@ -38,7 +38,9 @@ class SettingsSubMenuLoginsAndPasswordRobot {
         mDevice.waitNotNull(Until.findObjects(By.text("On")), TestAssetHelper.waitingTime)
     }
 
-    fun verifyDefaultValueSyncLogins() = asserDefaultValueSyncLogins()
+    fun verifyDefaultValueAutofillLogins() = assertDefaultValueAutofillLogins()
+
+    fun verifyDefaultValueSyncLogins() = assertDefaultValueSyncLogins()
 
     class Transition {
         val mDevice = UiDevice.getInstance(InstrumentationRegistry.getInstrumentation())
@@ -87,5 +89,8 @@ private fun goBackButton() =
 private fun assertDefaultView() = onView(ViewMatchers.withText("Sync logins"))
         .check(matches(withEffectiveVisibility(ViewMatchers.Visibility.VISIBLE)))
 
-private fun asserDefaultValueSyncLogins() = onView(ViewMatchers.withText("Sign in to Sync"))
+private fun assertDefaultValueAutofillLogins() = onView(ViewMatchers.withText("Autofill"))
+    .check(matches(withEffectiveVisibility(ViewMatchers.Visibility.VISIBLE)))
+
+private fun assertDefaultValueSyncLogins() = onView(ViewMatchers.withText("Sign in to Sync"))
         .check(matches(withEffectiveVisibility(ViewMatchers.Visibility.VISIBLE)))

app/src/geckoNightly/java/org/mozilla/fenix/engine/GeckoProvider.kt

@@ -10,7 +10,6 @@ import mozilla.components.concept.storage.LoginsStorage
 import mozilla.components.lib.crash.handler.CrashHandlerService
 import mozilla.components.service.sync.logins.GeckoLoginStorageDelegate
 import org.mozilla.fenix.Config
-import org.mozilla.fenix.ext.settings
 import org.mozilla.fenix.utils.Settings
 import org.mozilla.geckoview.GeckoRuntime
 import org.mozilla.geckoview.GeckoRuntimeSettings
@@ -56,11 +55,7 @@ object GeckoProvider {
         }
 
         val geckoRuntime = GeckoRuntime.create(context, runtimeSettings)
-        // As a quick fix for #8967 we are conflating "should autofill" with "should save logins"
-        val loginStorageDelegate = GeckoLoginStorageDelegate(
-            storage,
-            { context.settings().shouldPromptToSaveLogins }
-        )
+        val loginStorageDelegate = GeckoLoginStorageDelegate(storage, { true })
         geckoRuntime.loginStorageDelegate = GeckoLoginDelegateWrapper(loginStorageDelegate)
 
         return geckoRuntime

app/src/main/java/org/mozilla/fenix/components/Core.kt

@@ -76,7 +76,8 @@ class Core(private val context: Context) {
             automaticFontSizeAdjustment = context.settings().shouldUseAutoSize,
             fontInflationEnabled = context.settings().shouldUseAutoSize,
             suspendMediaWhenInactive = false,
-            forceUserScalableContent = context.settings().forceEnableZoom
+            forceUserScalableContent = context.settings().forceEnableZoom,
+            loginAutofillEnabled = context.settings().shouldAutofillLogins
         )
 
         GeckoEngine(

app/src/main/java/org/mozilla/fenix/settings/logins/SavedLoginsAuthFragment.kt

@@ -30,6 +30,7 @@ import mozilla.components.concept.sync.AuthType
 import mozilla.components.concept.sync.OAuthAccount
 import mozilla.components.service.fxa.SyncEngine
 import mozilla.components.service.fxa.manager.SyncEnginesStorage
+import org.mozilla.fenix.Config
 import org.mozilla.fenix.R
 import org.mozilla.fenix.components.metrics.Event
 import org.mozilla.fenix.ext.components
@@ -112,11 +113,17 @@ class SavedLoginsAuthFragment : PreferenceFragmentCompat(), AccountObserver {
 
         val autofillPreferenceKey = getPreferenceKey(R.string.pref_key_autofill_logins)
         findPreference<SwitchPreference>(autofillPreferenceKey)?.apply {
-            isEnabled = context.settings().shouldPromptToSaveLogins
-            isChecked =
-                context.settings().shouldAutofillLogins && context.settings().shouldPromptToSaveLogins
-            onPreferenceChangeListener =
-                SharedPreferenceUpdater()
+            // The ability to toggle autofill on the engine is only available in Nightly currently
+            // See https://github.com/mozilla-mobile/fenix/issues/11320
+            isVisible = Config.channel.isNightlyOrDebug
+            isChecked = context.settings().shouldAutofillLogins
+            onPreferenceChangeListener = object : SharedPreferenceUpdater() {
+                override fun onPreferenceChange(preference: Preference, newValue: Any?): Boolean {
+                    context?.components?.core?.engine?.settings?.loginAutofillEnabled =
+                        newValue as Boolean
+                    return super.onPreferenceChange(preference, newValue)
+                }
+            }
         }
 
         val savedLoginsKey = getPreferenceKey(R.string.pref_key_saved_logins)

app/src/test/java/org/mozilla/fenix/utils/SettingsTest.kt

@@ -217,6 +217,19 @@ class SettingsTest {
         assertFalse(settings.shouldUseAutoSize)
     }
 
+    @Test
+    fun shouldAutofill() {
+        // When just created
+        // Then
+        assertTrue(settings.shouldAutofillLogins)
+
+        // When
+        settings.shouldAutofillLogins = false
+
+        // Then
+        assertFalse(settings.shouldAutofillLogins)
+    }
+
     @Test
     fun fontSizeFactor() {
         // When just created