[Satellite] Refactor about content of Satellite setting

Flag: EXEMPT refactor
Bug: b/403149290
Test: Manual test pass
Test: atest pass
Change-Id: I55868869a9442648995343c857758c23fe358bc2

src/com/android/settings/network/telephony/satellite/SatelliteSetting.java

@@ -61,8 +61,6 @@ import java.util.Set;
 /** Handle Satellite Setting Preference Layout. */
 public class SatelliteSetting extends RestrictedDashboardFragment {
     private static final String TAG = "SatelliteSetting";
-    private static final String PREF_KEY_ABOUT_SATELLITE_MESSAGING =
-            "key_about_satellite_messaging";
     private static final String PREF_KEY_CATEGORY_YOUR_SATELLITE_PLAN =
             "key_category_your_satellite_plan";
     private static final String PREF_KEY_YOUR_SATELLITE_PLAN = "key_your_satellite_plan";
@@ -98,14 +96,17 @@ public class SatelliteSetting extends RestrictedDashboardFragment {
     @Override
     public void onAttach(Context context) {
         super.onAttach(context);
+        mActivity = getActivity();
+        mSubId = mActivity.getIntent().getIntExtra(SUB_ID,
+                SubscriptionManager.INVALID_SUBSCRIPTION_ID);
+
         use(SatelliteAppListCategoryController.class).init();
+        use(SatelliteSettingAboutContentController.class).init(mSubId);
     }
 
     @Override
     public void onCreate(@NonNull Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        mActivity = getActivity();
-
         mSatelliteManager = mActivity.getSystemService(SatelliteManager.class);
         if (mSatelliteManager == null) {
             Log.d(TAG, "SatelliteManager is null, do nothing.");
@@ -113,8 +114,6 @@ public class SatelliteSetting extends RestrictedDashboardFragment {
             return;
         }
 
-        mSubId = mActivity.getIntent().getIntExtra(SUB_ID,
-                SubscriptionManager.INVALID_SUBSCRIPTION_ID);
         mConfigBundle = fetchCarrierConfigData(mSubId);
 
         if (!isSatelliteAttachSupported(mSubId)) {
@@ -135,7 +134,6 @@ public class SatelliteSetting extends RestrictedDashboardFragment {
         super.onViewCreated(view, savedInstanceState);
         boolean isSatelliteEligible = isSatelliteEligible();
         updateTitle();
-        updateAboutSatelliteContent();
         updateMobilePlan(isSatelliteEligible);
         updateHowItWorksContent(isSatelliteEligible);
         updateFooterContent();
@@ -155,18 +153,6 @@ public class SatelliteSetting extends RestrictedDashboardFragment {
         findPreference("satellite_setting").setTitle(getSubjectString());
     }
 
-    // About satellite content
-    private void updateAboutSatelliteContent() {
-        Preference categoryTitle = findPreference(PREF_KEY_CATEGORY_ABOUT_SATELLITE);
-        categoryTitle.setTitle(
-                getString(R.string.category_name_about_satellite_messaging,
-                        getDescriptionString()));
-
-        Preference preference = findPreference(PREF_KEY_ABOUT_SATELLITE_MESSAGING);
-        preference.setTitle(
-                getResources().getString(R.string.title_about_satellite_setting, mSimOperatorName));
-    }
-
     private void updateMobilePlan(boolean isSatelliteEligible) {
         PreferenceCategory prefCategory = findPreference(PREF_KEY_CATEGORY_YOUR_SATELLITE_PLAN);
         if (prefCategory == null || !mConfigBundle.getBoolean(

src/com/android/settings/network/telephony/satellite/SatelliteSettingAboutContentController.kt

@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2025 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.network.telephony.satellite
+
+import android.content.Context
+import android.telephony.TelephonyManager
+import androidx.preference.PreferenceScreen
+import com.android.settings.network.telephony.TelephonyBasePreferenceController
+import com.android.settingslib.widget.TopIntroPreference
+import com.android.settings.R;
+
+/** A controller to show the introduction of satellite connectivity. */
+class SatelliteSettingAboutContentController(context: Context, key: String) :
+    TelephonyBasePreferenceController(context, key) {
+    private lateinit var simOperatorName: String
+
+    fun init(subId: Int) {
+        mSubId = subId
+        simOperatorName =
+            mContext.getSystemService(TelephonyManager::class.java)?.getSimOperatorName(mSubId) ?: ""
+    }
+
+    override fun displayPreference(screen: PreferenceScreen?) {
+        super.displayPreference(screen)
+        val preference: TopIntroPreference? =
+            screen?.findPreference(PREF_KEY_ABOUT_SATELLITE_CONNECTIVITY)
+        preference?.title =
+            mContext.getString(R.string.description_about_satellite_setting, simOperatorName)
+    }
+
+    override fun getAvailabilityStatus(subId: Int): Int {
+        return AVAILABLE
+    }
+
+    companion object {
+        const val PREF_KEY_ABOUT_SATELLITE_CONNECTIVITY = "key_about_satellite_connectivity";
+    }
+}