Add toolbar helpers (#6531)

app/src/main/java/org/mozilla/fenix/browser/BaseBrowserFragment.kt

@@ -15,7 +15,6 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.annotation.CallSuper
-import androidx.appcompat.app.AppCompatActivity
 import androidx.coordinatorlayout.widget.CoordinatorLayout
 import androidx.core.net.toUri
 import androidx.fragment.app.Fragment
@@ -79,6 +78,7 @@ import org.mozilla.fenix.downloads.DownloadService
 import org.mozilla.fenix.ext.components
 import org.mozilla.fenix.ext.enterToImmersiveMode
 import org.mozilla.fenix.ext.getRootView
+import org.mozilla.fenix.ext.hideToolbar
 import org.mozilla.fenix.ext.metrics
 import org.mozilla.fenix.ext.nav
 import org.mozilla.fenix.ext.requireComponents
@@ -461,7 +461,7 @@ abstract class BaseBrowserFragment : Fragment(), BackHandler, SessionManager.Obs
             components.core.engine.settings.preferredColorScheme = preferredColorScheme
             components.useCases.sessionUseCases.reload()
         }
-        (activity as AppCompatActivity).supportActionBar?.hide()
+        hideToolbar()
 
         assignSitePermissionsRules()
     }

app/src/main/java/org/mozilla/fenix/crashes/CrashReporterFragment.kt

@@ -6,13 +6,13 @@ package org.mozilla.fenix.crashes
 
 import android.os.Bundle
 import android.view.View
-import androidx.appcompat.app.AppCompatActivity
 import androidx.fragment.app.Fragment
 import androidx.navigation.fragment.findNavController
 import androidx.navigation.fragment.navArgs
 import kotlinx.android.synthetic.main.fragment_crash_reporter.*
 import mozilla.components.lib.crash.Crash
 import org.mozilla.fenix.R
+import org.mozilla.fenix.ext.hideToolbar
 import org.mozilla.fenix.ext.requireComponents
 import org.mozilla.fenix.ext.settings
 
@@ -47,6 +47,6 @@ class CrashReporterFragment : Fragment(R.layout.fragment_crash_reporter) {
 
     override fun onResume() {
         super.onResume()
-        (activity as AppCompatActivity).supportActionBar?.hide()
+        hideToolbar()
     }
 }

app/src/main/java/org/mozilla/fenix/exceptions/ExceptionsFragment.kt

@@ -9,7 +9,6 @@ import android.util.Log
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
-import androidx.appcompat.app.AppCompatActivity
 import androidx.fragment.app.Fragment
 import kotlinx.android.synthetic.main.fragment_exceptions.view.*
 import kotlinx.coroutines.ExperimentalCoroutinesApi
@@ -20,6 +19,7 @@ import org.mozilla.fenix.HomeActivity
 import org.mozilla.fenix.R
 import org.mozilla.fenix.components.StoreProvider
 import org.mozilla.fenix.ext.components
+import org.mozilla.fenix.ext.showToolbar
 import org.mozilla.fenix.settings.SupportUtils
 
 /**
@@ -34,8 +34,7 @@ class ExceptionsFragment : Fragment() {
 
     override fun onResume() {
         super.onResume()
-        activity?.title = getString(R.string.preference_exceptions)
-        (activity as AppCompatActivity).supportActionBar?.show()
+        showToolbar(getString(R.string.preference_exceptions))
     }
 
     override fun onCreateView(

app/src/main/java/org/mozilla/fenix/ext/Fragment.kt

@@ -6,6 +6,7 @@ package org.mozilla.fenix.ext
 
 import androidx.annotation.IdRes
 import androidx.annotation.StringRes
+import androidx.appcompat.app.AppCompatActivity
 import androidx.fragment.app.Fragment
 import androidx.navigation.NavDirections
 import androidx.navigation.NavOptions
@@ -32,3 +33,20 @@ fun Fragment.nav(@IdRes id: Int?, directions: NavDirections, options: NavOptions
 }
 
 fun Fragment.getPreferenceKey(@StringRes resourceId: Int): String = getString(resourceId)
+
+/**
+ * Displays the activity toolbar with the given [title].
+ * Throws if the fragment is not attached to an [AppCompatActivity].
+ */
+fun Fragment.showToolbar(title: String) {
+    (requireActivity() as AppCompatActivity).title = title
+    (requireActivity() as AppCompatActivity).supportActionBar?.show()
+}
+
+/**
+ * Hides the activity toolbar.
+ * Throws if the fragment is not attached to an [AppCompatActivity].
+ */
+fun Fragment.hideToolbar() {
+    (requireActivity() as AppCompatActivity).supportActionBar?.hide()
+}

app/src/main/java/org/mozilla/fenix/home/HomeFragment.kt

@@ -18,7 +18,6 @@ import android.widget.LinearLayout
 import android.widget.PopupWindow
 import androidx.annotation.StringRes
 import androidx.appcompat.app.AlertDialog
-import androidx.appcompat.app.AppCompatActivity
 import androidx.constraintlayout.widget.ConstraintLayout.LayoutParams.PARENT_ID
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.activityViewModels
@@ -72,6 +71,7 @@ import org.mozilla.fenix.components.PrivateShortcutCreateManager
 import org.mozilla.fenix.components.TabCollectionStorage
 import org.mozilla.fenix.components.metrics.Event
 import org.mozilla.fenix.ext.components
+import org.mozilla.fenix.ext.hideToolbar
 import org.mozilla.fenix.ext.metrics
 import org.mozilla.fenix.ext.nav
 import org.mozilla.fenix.ext.requireComponents
@@ -329,7 +329,7 @@ class HomeFragment : Fragment() {
             )
         )
 
-        (activity as AppCompatActivity).supportActionBar?.hide()
+        hideToolbar()
 
         requireComponents.backgroundServices.accountManager.register(currentMode, owner = this)
         requireComponents.backgroundServices.accountManager.register(object : AccountObserver {

app/src/main/java/org/mozilla/fenix/library/LibraryFragment.kt

@@ -19,6 +19,7 @@ import org.mozilla.fenix.components.metrics.Event
 import org.mozilla.fenix.ext.nav
 import org.mozilla.fenix.ext.requireComponents
 import org.mozilla.fenix.ext.setToolbarColors
+import org.mozilla.fenix.ext.showToolbar
 
 /**
  * Displays buttons to navigate to library sections, such as bookmarks and history.
@@ -69,15 +70,13 @@ class LibraryFragment : Fragment(R.layout.fragment_library) {
     }
 
     private fun initToolbar() {
-        val activity = activity as? AppCompatActivity
-        val toolbar = activity?.findViewById<Toolbar>(R.id.navigationToolbar)
-        context?.let { context ->
+        (activity as? AppCompatActivity)?.let { activity ->
+            val toolbar = activity.findViewById<Toolbar>(R.id.navigationToolbar)
             toolbar?.setToolbarColors(
-                foreground = context.getColorFromAttr(R.attr.primaryText),
-                background = context.getColorFromAttr(R.attr.foundation)
+                foreground = activity.getColorFromAttr(R.attr.primaryText),
+                background = activity.getColorFromAttr(R.attr.foundation)
             )
+            showToolbar(getString(R.string.library_title))
         }
-        activity?.title = getString(R.string.library_title)
-        activity?.supportActionBar?.show()
     }
 }

app/src/main/java/org/mozilla/fenix/library/LibraryPageFragment.kt

@@ -8,6 +8,7 @@ import androidx.fragment.app.Fragment
 import org.mozilla.fenix.HomeActivity
 import org.mozilla.fenix.browser.browsingmode.BrowsingMode
 import org.mozilla.fenix.ext.components
+import org.mozilla.fenix.ext.hideToolbar
 
 abstract class LibraryPageFragment<T> : Fragment() {
 
@@ -24,6 +25,6 @@ abstract class LibraryPageFragment<T> : Fragment() {
         }
 
         (activity as HomeActivity).browsingModeManager.mode = BrowsingMode.fromBoolean(private)
-        (activity as HomeActivity).supportActionBar?.hide()
+        hideToolbar()
     }
 }

app/src/main/java/org/mozilla/fenix/library/bookmarks/addfolder/AddBookmarkFolderFragment.kt

@@ -10,7 +10,6 @@ import android.view.MenuInflater
 import android.view.MenuItem
 import android.view.View
 import android.view.View.GONE
-import androidx.appcompat.app.AppCompatActivity
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.activityViewModels
 import androidx.lifecycle.ViewModelProvider
@@ -28,6 +27,7 @@ import org.mozilla.fenix.R
 import org.mozilla.fenix.components.metrics.Event
 import org.mozilla.fenix.ext.nav
 import org.mozilla.fenix.ext.requireComponents
+import org.mozilla.fenix.ext.showToolbar
 import org.mozilla.fenix.library.bookmarks.BookmarksSharedViewModel
 
 /**
@@ -55,9 +55,7 @@ class AddBookmarkFolderFragment : Fragment(R.layout.fragment_edit_bookmark) {
 
     override fun onResume() {
         super.onResume()
-        (activity as AppCompatActivity).title =
-            getString(R.string.bookmark_add_folder_fragment_label)
-        (activity as AppCompatActivity).supportActionBar?.show()
+        showToolbar(getString(R.string.bookmark_add_folder_fragment_label))
 
         lifecycleScope.launch(Main) {
             sharedViewModel.selectedFolder = withContext(IO) {

app/src/main/java/org/mozilla/fenix/library/bookmarks/selectfolder/SelectBookmarkFolderFragment.kt

@@ -11,7 +11,6 @@ import android.view.MenuInflater
 import android.view.MenuItem
 import android.view.View
 import android.view.ViewGroup
-import androidx.appcompat.app.AppCompatActivity
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.activityViewModels
 import androidx.lifecycle.ViewModelProvider
@@ -30,6 +29,7 @@ import org.mozilla.fenix.R
 import org.mozilla.fenix.ext.components
 import org.mozilla.fenix.ext.nav
 import org.mozilla.fenix.ext.requireComponents
+import org.mozilla.fenix.ext.showToolbar
 import org.mozilla.fenix.library.bookmarks.BookmarksSharedViewModel
 import org.mozilla.fenix.library.bookmarks.DesktopFolders
 import org.mozilla.fenix.library.bookmarks.SignInView
@@ -57,8 +57,7 @@ class SelectBookmarkFolderFragment : Fragment() {
 
     override fun onResume() {
         super.onResume()
-        activity?.title = getString(R.string.bookmark_select_folder_fragment_label)
-        (activity as? AppCompatActivity)?.supportActionBar?.show()
+        showToolbar(getString(R.string.bookmark_select_folder_fragment_label))
 
         val accountManager = requireComponents.backgroundServices.accountManager
         sharedViewModel.observeAccountManager(accountManager, owner = this)

app/src/main/java/org/mozilla/fenix/library/history/HistoryFragment.kt

@@ -14,7 +14,6 @@ import android.view.View
 import android.view.ViewGroup
 import androidx.annotation.MenuRes
 import androidx.appcompat.app.AlertDialog
-import androidx.appcompat.app.AppCompatActivity
 import androidx.lifecycle.Observer
 import androidx.lifecycle.lifecycleScope
 import kotlinx.android.synthetic.main.fragment_history.view.*
@@ -35,6 +34,7 @@ import org.mozilla.fenix.components.metrics.Event
 import org.mozilla.fenix.ext.components
 import org.mozilla.fenix.ext.nav
 import org.mozilla.fenix.ext.requireComponents
+import org.mozilla.fenix.ext.showToolbar
 import org.mozilla.fenix.library.LibraryPageFragment
 
 @SuppressWarnings("TooManyFunctions", "LargeClass")
@@ -122,10 +122,7 @@ class HistoryFragment : LibraryPageFragment<HistoryItem>(), BackHandler {
 
     override fun onResume() {
         super.onResume()
-        (activity as AppCompatActivity).apply {
-            title = getString(R.string.library_history)
-            supportActionBar?.show()
-        }
+        showToolbar(getString(R.string.library_history))
     }
 
     override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {

app/src/main/java/org/mozilla/fenix/logins/SavedLoginSiteInfoFragment.kt

@@ -8,7 +8,6 @@ import android.os.Bundle
 import android.text.InputType
 import android.view.View
 import android.view.WindowManager
-import androidx.appcompat.app.AppCompatActivity
 import androidx.fragment.app.Fragment
 import androidx.navigation.fragment.findNavController
 import com.google.android.material.snackbar.Snackbar
@@ -17,6 +16,7 @@ import org.mozilla.fenix.R
 import org.mozilla.fenix.components.FenixSnackbar
 import org.mozilla.fenix.components.metrics.Event
 import org.mozilla.fenix.ext.components
+import org.mozilla.fenix.ext.showToolbar
 
 class SavedLoginSiteInfoFragment : Fragment(R.layout.fragment_saved_login_site_info) {
     private val safeArguments get() = requireNotNull(arguments)
@@ -97,7 +97,6 @@ class SavedLoginSiteInfoFragment : Fragment(R.layout.fragment_saved_login_site_i
             WindowManager.LayoutParams.FLAG_SECURE,
             WindowManager.LayoutParams.FLAG_SECURE
         )
-        activity?.title = savedLoginItem.url
-        (activity as AppCompatActivity).supportActionBar?.show()
+        showToolbar(savedLoginItem.url)
     }
 }

app/src/main/java/org/mozilla/fenix/logins/SavedLoginsFragment.kt

@@ -9,7 +9,6 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import android.view.WindowManager
-import androidx.appcompat.app.AppCompatActivity
 import androidx.fragment.app.Fragment
 import androidx.lifecycle.lifecycleScope
 import androidx.navigation.fragment.findNavController
@@ -25,6 +24,7 @@ import org.mozilla.fenix.R
 import org.mozilla.fenix.components.StoreProvider
 import org.mozilla.fenix.components.metrics.Event
 import org.mozilla.fenix.ext.components
+import org.mozilla.fenix.ext.showToolbar
 
 class SavedLoginsFragment : Fragment() {
     private lateinit var savedLoginsStore: SavedLoginsFragmentStore
@@ -37,8 +37,7 @@ class SavedLoginsFragment : Fragment() {
             WindowManager.LayoutParams.FLAG_SECURE,
             WindowManager.LayoutParams.FLAG_SECURE
         )
-        activity?.title = getString(R.string.preferences_passwords_saved_logins)
-        (activity as AppCompatActivity).supportActionBar?.show()
+        showToolbar(getString(R.string.preferences_passwords_saved_logins))
     }
 
     override fun onCreateView(

app/src/main/java/org/mozilla/fenix/search/SearchFragment.kt

@@ -16,7 +16,6 @@ import android.view.View
 import android.view.ViewGroup
 import android.view.ViewStub
 import androidx.appcompat.app.AlertDialog
-import androidx.appcompat.app.AppCompatActivity
 import androidx.core.view.isVisible
 import androidx.fragment.app.Fragment
 import androidx.navigation.fragment.findNavController
@@ -38,6 +37,7 @@ import org.mozilla.fenix.R
 import org.mozilla.fenix.components.StoreProvider
 import org.mozilla.fenix.components.metrics.Event
 import org.mozilla.fenix.ext.getSpannable
+import org.mozilla.fenix.ext.hideToolbar
 import org.mozilla.fenix.ext.requireComponents
 import org.mozilla.fenix.search.awesomebar.AwesomeBarView
 import org.mozilla.fenix.search.toolbar.ToolbarView
@@ -261,7 +261,7 @@ class SearchFragment : Fragment(), BackHandler {
         updateClipboardSuggestion(searchStore.state, requireContext().components.clipboardHandler.url)
 
         permissionDidUpdate = false
-        (activity as AppCompatActivity).supportActionBar?.hide()
+        hideToolbar()
     }
 
     override fun onPause() {

app/src/main/java/org/mozilla/fenix/settings/AccessibilityFragment.kt

@@ -5,13 +5,13 @@
 package org.mozilla.fenix.settings
 
 import android.os.Bundle
-import androidx.appcompat.app.AppCompatActivity
 import androidx.preference.PreferenceFragmentCompat
 import androidx.preference.SwitchPreference
 import org.mozilla.fenix.R
 import org.mozilla.fenix.ext.components
 import org.mozilla.fenix.ext.getPreferenceKey
 import org.mozilla.fenix.ext.settings
+import org.mozilla.fenix.ext.showToolbar
 
 /**
  * Displays font size controls for accessibility.
@@ -22,8 +22,7 @@ import org.mozilla.fenix.ext.settings
 class AccessibilityFragment : PreferenceFragmentCompat() {
     override fun onResume() {
         super.onResume()
-        (activity as AppCompatActivity).title = getString(R.string.preferences_accessibility)
-        (activity as AppCompatActivity).supportActionBar?.show()
+        showToolbar(getString(R.string.preferences_accessibility))
 
         val forceZoomPreference = findPreference<SwitchPreference>(
             getPreferenceKey(R.string.pref_key_accessibility_force_enable_zoom)

app/src/main/java/org/mozilla/fenix/settings/DataChoicesFragment.kt

@@ -6,7 +6,6 @@ package org.mozilla.fenix.settings
 
 import android.content.SharedPreferences
 import android.os.Bundle
-import androidx.appcompat.app.AppCompatActivity
 import androidx.preference.PreferenceFragmentCompat
 import androidx.preference.SwitchPreference
 import org.mozilla.fenix.Config
@@ -14,6 +13,7 @@ import org.mozilla.fenix.R
 import org.mozilla.fenix.ext.components
 import org.mozilla.fenix.ext.getPreferenceKey
 import org.mozilla.fenix.ext.settings
+import org.mozilla.fenix.ext.showToolbar
 
 /**
  * Lets the user toggle telemetry on/off.
@@ -42,8 +42,7 @@ class DataChoicesFragment : PreferenceFragmentCompat() {
 
     override fun onResume() {
         super.onResume()
-        (activity as AppCompatActivity).title = getString(R.string.preferences_data_collection)
-        (activity as AppCompatActivity).supportActionBar?.show()
+        showToolbar(getString(R.string.preferences_data_collection))
     }
 
     override fun onDestroy() {

app/src/main/java/org/mozilla/fenix/settings/DefaultBrowserSettingsFragment.kt

@@ -10,7 +10,6 @@ import android.os.Build
 import android.os.Build.VERSION.SDK_INT
 import android.os.Bundle
 import android.provider.Settings.ACTION_MANAGE_DEFAULT_APPS_SETTINGS
-import androidx.appcompat.app.AppCompatActivity
 import androidx.preference.CheckBoxPreference
 import androidx.preference.Preference
 import androidx.preference.PreferenceFragmentCompat
@@ -21,6 +20,7 @@ import org.mozilla.fenix.R
 import org.mozilla.fenix.ext.components
 import org.mozilla.fenix.ext.getPreferenceKey
 import org.mozilla.fenix.ext.settings
+import org.mozilla.fenix.ext.showToolbar
 
 /**
  * Lets the user control their default browser preferences
@@ -61,9 +61,7 @@ class DefaultBrowserSettingsFragment : PreferenceFragmentCompat() {
 
     override fun onResume() {
         super.onResume()
-        (activity as AppCompatActivity).title =
-            getString(R.string.preferences_set_as_default_browser)
-        (activity as AppCompatActivity).supportActionBar?.show()
+        showToolbar(getString(R.string.preferences_set_as_default_browser))
 
         updatePreferences()
     }

app/src/main/java/org/mozilla/fenix/settings/LoginsFragment.kt

@@ -14,7 +14,6 @@ import android.os.Build
 import android.os.Build.VERSION_CODES.M
 import android.os.Bundle
 import androidx.appcompat.app.AlertDialog
-import androidx.appcompat.app.AppCompatActivity
 import androidx.biometric.BiometricManager
 import androidx.biometric.BiometricPrompt
 import androidx.lifecycle.lifecycleScope
@@ -34,6 +33,7 @@ import org.mozilla.fenix.ext.components
 import org.mozilla.fenix.ext.getPreferenceKey
 import org.mozilla.fenix.ext.requireComponents
 import org.mozilla.fenix.ext.settings
+import org.mozilla.fenix.ext.showToolbar
 import java.util.concurrent.Executors
 
 @Suppress("TooManyFunctions")
@@ -85,8 +85,7 @@ class LoginsFragment : PreferenceFragmentCompat(), AccountObserver {
 
     override fun onResume() {
         super.onResume()
-        activity?.title = getString(R.string.preferences_passwords_logins_and_passwords)
-        (activity as AppCompatActivity).supportActionBar?.show()
+        showToolbar(getString(R.string.preferences_passwords_logins_and_passwords))
 
         val savedLoginsKey = getPreferenceKey(R.string.pref_key_saved_logins)
         findPreference<Preference>(savedLoginsKey)?.setOnPreferenceClickListener {

app/src/main/java/org/mozilla/fenix/settings/PairFragment.kt

@@ -9,7 +9,6 @@ import android.os.Bundle
 import android.os.VibrationEffect
 import android.os.Vibrator
 import android.view.View
-import androidx.appcompat.app.AppCompatActivity
 import androidx.core.content.getSystemService
 import androidx.core.text.HtmlCompat
 import androidx.fragment.app.Fragment
@@ -21,6 +20,7 @@ import mozilla.components.support.base.feature.BackHandler
 import mozilla.components.support.base.feature.ViewBoundFeatureWrapper
 import org.mozilla.fenix.R
 import org.mozilla.fenix.ext.requireComponents
+import org.mozilla.fenix.ext.showToolbar
 
 class PairFragment : Fragment(R.layout.fragment_pair), BackHandler {
 
@@ -74,8 +74,7 @@ class PairFragment : Fragment(R.layout.fragment_pair), BackHandler {
 
     override fun onResume() {
         super.onResume()
-        (activity as AppCompatActivity).title = getString(R.string.sync_scan_code)
-        (activity as AppCompatActivity).supportActionBar?.show()
+        showToolbar(getString(R.string.sync_scan_code))
     }
 
     override fun onBackPressed(): Boolean {

app/src/main/java/org/mozilla/fenix/settings/SettingsFragment.kt

@@ -10,7 +10,6 @@ import android.content.Intent
 import android.content.SharedPreferences
 import android.net.Uri
 import android.os.Bundle
-import androidx.appcompat.app.AppCompatActivity
 import androidx.lifecycle.lifecycleScope
 import androidx.navigation.Navigation
 import androidx.navigation.fragment.findNavController
@@ -59,6 +58,7 @@ import org.mozilla.fenix.ext.getPreferenceKey
 import org.mozilla.fenix.ext.metrics
 import org.mozilla.fenix.ext.requireComponents
 import org.mozilla.fenix.ext.settings
+import org.mozilla.fenix.ext.showToolbar
 import org.mozilla.fenix.settings.account.AccountAuthErrorPreference
 import org.mozilla.fenix.settings.account.AccountPreference
 import org.mozilla.fenix.utils.ItsNotBrokenSnack
@@ -112,8 +112,7 @@ class SettingsFragment : PreferenceFragmentCompat(), AccountObserver {
     override fun onResume() {
         super.onResume()
 
-        (activity as AppCompatActivity).title = getString(R.string.settings_title)
-        (activity as AppCompatActivity).supportActionBar?.show()
+        showToolbar(getString(R.string.settings_title))
 
         val trackingProtectionPreference =
             findPreference<Preference>(getPreferenceKey(pref_key_tracking_protection_settings))

app/src/main/java/org/mozilla/fenix/settings/ThemeFragment.kt

@@ -8,12 +8,12 @@ import android.annotation.SuppressLint
 import android.os.Build
 import android.os.Build.VERSION.SDK_INT
 import android.os.Bundle
-import androidx.appcompat.app.AppCompatActivity
 import androidx.appcompat.app.AppCompatDelegate
 import androidx.preference.PreferenceFragmentCompat
 import org.mozilla.fenix.R
 import org.mozilla.fenix.ext.getPreferenceKey
 import org.mozilla.fenix.ext.requireComponents
+import org.mozilla.fenix.ext.showToolbar
 
 class ThemeFragment : PreferenceFragmentCompat() {
     private lateinit var radioLightTheme: RadioButtonPreference
@@ -27,8 +27,7 @@ class ThemeFragment : PreferenceFragmentCompat() {
 
     override fun onResume() {
         super.onResume()
-        (activity as AppCompatActivity).title = getString(R.string.preferences_theme)
-        (activity as AppCompatActivity).supportActionBar?.show()
+        showToolbar(getString(R.string.preferences_theme))
         setupPreferences()
     }