[Catalyst] Refine WifiHotspotSwitchPreference

NO_IFTTT=Catalyst only

Bug: 368359963
Flag: com.android.settings.flags.catalyst_tether_settings
Test: devtool
Change-Id: Ica09fe05cc4d30e1f55b4bd91996425ef951abf7

src/com/android/settings/network/tether/TetherScreen.kt

@@ -20,19 +20,27 @@ import android.net.TetheringManager
 import android.os.UserManager
 import com.android.settings.PreferenceRestrictionMixin
 import com.android.settings.R
+import com.android.settings.Settings.TetherSettingsActivity
+import com.android.settings.datausage.DataSaverMainSwitchPreference
 import com.android.settings.flags.Flags
 import com.android.settings.network.TetherPreferenceController
+import com.android.settings.utils.makeLaunchIntent
 import com.android.settings.wifi.tether.WifiHotspotSwitchPreference
 import com.android.settingslib.TetherUtil
 import com.android.settingslib.Utils
 import com.android.settingslib.metadata.PreferenceAvailabilityProvider
+import com.android.settingslib.metadata.PreferenceMetadata
+import com.android.settingslib.metadata.PreferenceTitleProvider
 import com.android.settingslib.metadata.ProvidePreferenceScreen
 import com.android.settingslib.metadata.preferenceHierarchy
 import com.android.settingslib.preference.PreferenceScreenCreator
 
 @ProvidePreferenceScreen
 class TetherScreen :
-    PreferenceScreenCreator, PreferenceAvailabilityProvider, PreferenceRestrictionMixin {
+    PreferenceScreenCreator,
+    PreferenceTitleProvider,
+    PreferenceAvailabilityProvider,
+    PreferenceRestrictionMixin {
 
     override val key: String
         get() = KEY
@@ -43,7 +51,7 @@ class TetherScreen :
     override val keywords: Int
         get() = R.string.keywords_hotspot_tethering
 
-    override fun getPreferenceTitle(context: Context): CharSequence? =
+    override fun getTitle(context: Context): CharSequence? =
         if (TetherPreferenceController.isTetherConfigDisallowed(context)) {
             context.getText(R.string.tether_settings_title_all)
         } else {
@@ -64,9 +72,14 @@ class TetherScreen :
 
     override fun fragmentClass() = TetherSettings::class.java
 
-    override fun getPreferenceHierarchy(context: Context) = preferenceHierarchy(this) {
-        +WifiHotspotSwitchPreference(context)
-    }
+    override fun getLaunchIntent(context: Context, metadata: PreferenceMetadata?) =
+        makeLaunchIntent(context, TetherSettingsActivity::class.java, metadata?.key)
+
+    override fun getPreferenceHierarchy(context: Context) =
+        preferenceHierarchy(this) {
+            val dataSaverStore = DataSaverMainSwitchPreference.createDataStore(context)
+            +WifiHotspotSwitchPreference(context, dataSaverStore)
+        }
 
     companion object {
         const val KEY = "tether_settings"