[ToA] Terms of Address UI, fragment in LocaleListPicker

Test: atest TermsOfAddressCategoryControllerTest
Test: adb shell device_config put settings_globalintl com.android.settings.flags.terms_of_address_enabled true
Bug: 295826542
Bug: 297798866
Change-Id: I2b9af7cbe7cab0bb7b2168bc99f0fa7bc0903ac2
diff --git a/res/values/arrays.xml b/res/values/arrays.xml
index f454954..01a8126 100644
--- a/res/values/arrays.xml
+++ b/res/values/arrays.xml
@@ -1465,14 +1465,13 @@
         <item>@string/battery_app_item_hint_in_fg</item>
     </string-array>
 
-    <!-- A list of not supporting Terms of Address. [DO NOT TRANSLATE] -->
-    <string-array name="terms_of_address_unsupported_locale">
+    <!-- A locale list of not supporting Terms of Address. [DO NOT TRANSLATE] -->
+    <string-array name="terms_of_address_unsupported_locales">
         <item>fr-CA</item> <!-- French (Canada) -->
     </string-array>
 
-    <!-- A list of supporting Terms of Address. [DO NOT TRANSLATE] -->
-    <string-array name="terms_of_address_supported_locale">
-        <item>en-XA</item> <!-- English (Pseudo-Accents) -->
-        <item>ar-XB</item> <!-- Arabic (Pseudo-Bidi) -->
+    <!-- A language list of supporting Terms of Address. [DO NOT TRANSLATE] -->
+    <string-array name="terms_of_address_supported_languages">
+        <item>fr</item> <!-- French -->
     </string-array>
 </resources>
diff --git a/res/xml/languages.xml b/res/xml/languages.xml
index 5269d99..844b7fa 100644
--- a/res/xml/languages.xml
+++ b/res/xml/languages.xml
@@ -32,6 +32,17 @@
             android:layout="@layout/locale_order_list" />
     </PreferenceCategory>
 
+    <PreferenceCategory
+        android:key="key_category_terms_of_address"
+        android:title="@string/category_title_terms_of_address"
+        settings:controller="com.android.settings.localepicker.TermsOfAddressCategoryController">
+        <Preference
+            android:key="key_terms_of_address"
+            android:title="@string/terms_of_address_title"
+            android:summary="@string/terms_of_address_summary"
+            settings:controller="com.android.settings.localepicker.TermsOfAddressController"/>
+    </PreferenceCategory>
+
     <com.android.settingslib.widget.FooterPreference
         android:key="footer_languages_picker"
         android:title="@string/desc_notice_of_language_picker"
diff --git a/src/com/android/settings/localepicker/LocaleListEditor.java b/src/com/android/settings/localepicker/LocaleListEditor.java
index 907b88a..05f171d 100644
--- a/src/com/android/settings/localepicker/LocaleListEditor.java
+++ b/src/com/android/settings/localepicker/LocaleListEditor.java
@@ -78,6 +78,7 @@
     private static final String CFGKEY_ADD_LOCALE = "localeAdded";
     private static final String INDEX_KEY_ADD_LANGUAGE = "add_language";
     private static final String KEY_LANGUAGES_PICKER = "languages_picker";
+    private static final String KEY_CATEGORY_TERMS_OF_ADDRESS = "key_category_terms_of_address";
     private static final String TAG_DIALOG_CONFIRM_SYSTEM_DEFAULT = "dialog_confirm_system_default";
     private static final String TAG_DIALOG_NOT_AVAILABLE = "dialog_not_available_locale";
     private static final String TAG_DIALOG_ADD_SYSTEM_LOCALE = "dialog_add_system_locale";
@@ -99,6 +100,7 @@
     private LayoutPreference mLocalePickerPreference;
     private LocaleHelperPreferenceController mLocaleHelperPreferenceController;
     private FragmentManager mFragmentManager;
+    private TermsOfAddressCategoryController mTermsOfAddressCategoryController;
 
     public LocaleListEditor() {
         super(DISALLOW_CONFIG_LOCALE);
@@ -120,6 +122,9 @@
         final PreferenceScreen screen = getPreferenceScreen();
         mLocalePickerPreference = screen.findPreference(KEY_LANGUAGES_PICKER);
         mLocaleHelperPreferenceController.displayPreference(screen);
+        mTermsOfAddressCategoryController = new TermsOfAddressCategoryController(activity,
+                KEY_CATEGORY_TERMS_OF_ADDRESS);
+        mTermsOfAddressCategoryController.displayPreference(screen);
 
         LocaleStore.fillCache(this.getContext());
         final List<LocaleStore.LocaleInfo> feedsList = getUserLocaleList();
diff --git a/src/com/android/settings/localepicker/TermsOfAddressCategoryController.java b/src/com/android/settings/localepicker/TermsOfAddressCategoryController.java
new file mode 100644
index 0000000..518f670
--- /dev/null
+++ b/src/com/android/settings/localepicker/TermsOfAddressCategoryController.java
@@ -0,0 +1,99 @@
+/**
+ * Copyright (C) 2023 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.localepicker;
+
+import static com.android.settings.flags.Flags.termsOfAddressEnabled;
+
+import android.content.Context;
+import android.os.LocaleList;
+import android.text.TextUtils;
+import android.util.Log;
+
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceScreen;
+
+import com.android.internal.app.LocaleStore;
+import com.android.settings.R;
+import com.android.settings.widget.PreferenceCategoryController;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.Locale;
+
+public class TermsOfAddressCategoryController extends PreferenceCategoryController {
+
+    private static final String TAG = "TermsOfAddressCategoryController";
+    private static final String KEY_CATEGORY_TERMS_OF_ADDRESS = "key_category_terms_of_address";
+    private static final String KEY_TERMS_OF_ADDRESS = "key_terms_of_address";
+
+    public TermsOfAddressCategoryController(Context context, String key) {
+        super(context, key);
+    }
+
+    @Override
+    public void displayPreference(PreferenceScreen screen) {
+        super.displayPreference(screen);
+        PreferenceCategory category = screen.findPreference(KEY_CATEGORY_TERMS_OF_ADDRESS);
+        if (category == null) {
+            Log.d(TAG, "displayPreference(), can not find the category.");
+            return;
+        }
+
+        boolean isAvailable = isAvailable();
+        if (isAvailable) {
+            TermsOfAddressController termsOfAddressController = new TermsOfAddressController(
+                    mContext, KEY_TERMS_OF_ADDRESS);
+            termsOfAddressController.displayPreference(screen);
+        }
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+
+        if (!termsOfAddressEnabled()) {
+            return CONDITIONALLY_UNAVAILABLE;
+        }
+
+        // If language is not available for system language, or if ToA does not apply to
+        // system language, we will hide it.
+        final Locale defaultLocale = Locale.getDefault();
+        LocaleStore.LocaleInfo localeInfo = LocaleStore.getLocaleInfo(defaultLocale);
+        final List<String> supportedLanguageList = Arrays.asList(
+                mContext.getResources().getStringArray(
+                        R.array.terms_of_address_supported_languages));
+        final List<String> notSupportedLocaleList = Arrays.asList(
+                mContext.getResources().getStringArray(
+                        R.array.terms_of_address_unsupported_locales));
+
+        final Locale locale = localeInfo.getLocale();
+        final String language = locale.getLanguage();
+        final String localeTag = locale.toLanguageTag();
+        Log.d(TAG, "current language: " + language);
+        Log.d(TAG, "current locale tag: " + localeTag);
+
+        // Supported locales:
+        // 1. All French is supported except fr-CA.
+        // 2. QA language en-XA (LTR pseudo locale), ar_XB (RTL pseudo locale).
+        if ((supportedLanguageList.contains(language)
+                && !notSupportedLocaleList.contains(localeTag))
+                || LocaleList.isPseudoLocale(locale)) {
+            return AVAILABLE;
+        }
+
+        return CONDITIONALLY_UNAVAILABLE;
+    }
+}
diff --git a/src/com/android/settings/localepicker/TermsOfAddressController.java b/src/com/android/settings/localepicker/TermsOfAddressController.java
new file mode 100644
index 0000000..18fa3ef
--- /dev/null
+++ b/src/com/android/settings/localepicker/TermsOfAddressController.java
@@ -0,0 +1,61 @@
+/**
+ * Copyright (C) 2023 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.localepicker;
+
+import android.content.Context;
+import android.text.TextUtils;
+import android.util.Log;
+
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
+
+import com.android.internal.app.LocaleStore;
+import com.android.settings.R;
+import com.android.settings.core.BasePreferenceController;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.Locale;
+
+public class TermsOfAddressController extends BasePreferenceController {
+
+    private static final String TAG = "TermsOfAddressController";
+    private static final String KEY = "key_terms_of_address";
+
+    private Preference mPreference;
+
+    public TermsOfAddressController(Context context, String preferenceKey) {
+        super(context, preferenceKey);
+    }
+
+    @Override
+    public String getPreferenceKey() {
+        return KEY;
+    }
+
+    @Override
+    public void displayPreference(PreferenceScreen screen) {
+        super.displayPreference(screen);
+        mPreference = screen.findPreference(getPreferenceKey());
+        mPreference.setFragment(TermsOfAddressFragment.class.getCanonicalName());
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        return AVAILABLE;
+    }
+}
diff --git a/src/com/android/settings/localepicker/TermsOfAddressFragment.java b/src/com/android/settings/localepicker/TermsOfAddressFragment.java
new file mode 100644
index 0000000..9484846a
--- /dev/null
+++ b/src/com/android/settings/localepicker/TermsOfAddressFragment.java
@@ -0,0 +1,65 @@
+/**
+ * Copyright (C) 2023 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.localepicker;
+
+import android.app.settings.SettingsEnums;
+import android.content.Context;
+
+import com.android.settings.R;
+import com.android.settings.dashboard.DashboardFragment;
+import com.android.settings.search.BaseSearchIndexProvider;
+import com.android.settingslib.core.AbstractPreferenceController;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class TermsOfAddressFragment extends DashboardFragment {
+
+    private static final String LOG_TAG = "TermsOfAddressFragment";
+    private static final String KEY_NOT_SPECIFIED = "key_terms_of_address_not_specified";
+    private static final String KEY_FEMININE = "key_terms_of_address_feminine";
+    private static final String KEY_MASCULINE = "key_terms_of_address_masculine";
+    private static final String KEY_NEUTRAL = "key_terms_of_address_neutral";
+
+    @Override
+    protected String getLogTag() {
+        return LOG_TAG;
+    }
+
+    @Override
+    public int getMetricsCategory() {
+        return SettingsEnums.TERMS_OF_ADDRESS;
+    }
+
+    @Override
+    protected int getPreferenceScreenResId() {
+        return R.xml.terms_of_address;
+    }
+
+    @Override
+    protected List<AbstractPreferenceController> createPreferenceControllers(Context context) {
+        final List<AbstractPreferenceController> controllers = new ArrayList<>();
+        controllers.add(new TermsOfAddressNotSpecifiedController(context, KEY_NOT_SPECIFIED));
+        controllers.add(new TermsOfAddressFeminineController(context, KEY_FEMININE));
+        controllers.add(new TermsOfAddressMasculineController(context, KEY_MASCULINE));
+        controllers.add(new TermsOfAddressNeutralController(context, KEY_NEUTRAL));
+        return controllers;
+    }
+
+    public static final BaseSearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
+            new BaseSearchIndexProvider(R.xml.terms_of_address);
+}
diff --git a/tests/unit/src/com/android/settings/localepicker/TermsOfAddressCategoryControllerTest.java b/tests/unit/src/com/android/settings/localepicker/TermsOfAddressCategoryControllerTest.java
new file mode 100644
index 0000000..e316b25
--- /dev/null
+++ b/tests/unit/src/com/android/settings/localepicker/TermsOfAddressCategoryControllerTest.java
@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) 2023 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.localepicker;
+
+import static com.android.settings.core.BasePreferenceController.AVAILABLE;
+import static com.android.settings.core.BasePreferenceController.CONDITIONALLY_UNAVAILABLE;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.spy;
+
+import android.app.settings.SettingsEnums;
+import android.content.Context;
+import android.os.Looper;
+
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.MockitoAnnotations;
+
+import java.util.Locale;
+
+@RunWith(AndroidJUnit4.class)
+public class TermsOfAddressCategoryControllerTest {
+
+    private static final String KEY_CATEGORY_TERMS_OF_ADDRESS = "key_category_terms_of_address";
+
+    private Context mContext;
+    private TermsOfAddressCategoryController mTermsOfAddressCategoryController;
+    private Locale mCacheLocale;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mContext = spy(ApplicationProvider.getApplicationContext());
+
+        if (Looper.myLooper() == null) {
+            Looper.prepare();
+        }
+
+        mTermsOfAddressCategoryController = new TermsOfAddressCategoryController(mContext,
+                KEY_CATEGORY_TERMS_OF_ADDRESS);
+        mCacheLocale = Locale.getDefault(Locale.Category.FORMAT);
+    }
+
+    @After
+    public void tearDown() throws Exception {
+        Locale.setDefault(mCacheLocale);
+    }
+
+    @Test
+    public void getAvailabilityStatus_returnUnavailable() {
+        Locale.setDefault(Locale.forLanguageTag("fr-CA"));
+
+        assertThat(mTermsOfAddressCategoryController.getAvailabilityStatus()).isEqualTo(
+                CONDITIONALLY_UNAVAILABLE);
+    }
+
+    @Test
+    public void getAvailabilityStatus_returnAvailable() {
+        Locale.setDefault(Locale.forLanguageTag("fr-FR"));
+
+        assertThat(mTermsOfAddressCategoryController.getAvailabilityStatus()).isEqualTo(
+                AVAILABLE);
+    }
+}