1 /** 2 * Copyright (C) 2023 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.settings.regionalpreferences; 18 19 import android.app.settings.SettingsEnums; 20 import android.content.Context; 21 22 import androidx.preference.PreferenceCategory; 23 import androidx.preference.PreferenceScreen; 24 25 import com.android.settings.core.BasePreferenceController; 26 import com.android.settings.overlay.FeatureFactory; 27 import com.android.settings.widget.TickButtonPreference; 28 import com.android.settingslib.core.instrumentation.MetricsFeatureProvider; 29 30 /** A base controller for handling all regional preferences controllers. */ 31 public abstract class RegionalPreferenceListBasePreferenceController extends 32 BasePreferenceController { 33 34 private final MetricsFeatureProvider mMetricsFeatureProvider; 35 private PreferenceCategory mPreferenceCategory; 36 RegionalPreferenceListBasePreferenceController(Context context, String preferenceKey)37 public RegionalPreferenceListBasePreferenceController(Context context, String preferenceKey) { 38 super(context, preferenceKey); 39 mMetricsFeatureProvider = FeatureFactory.getFeatureFactory().getMetricsFeatureProvider(); 40 } 41 42 @Override displayPreference(PreferenceScreen screen)43 public void displayPreference(PreferenceScreen screen) { 44 super.displayPreference(screen); 45 mPreferenceCategory = screen.findPreference(getPreferenceCategoryKey()); 46 initPreferences(); 47 } 48 initPreferences()49 private void initPreferences() { 50 if (mPreferenceCategory == null) { 51 return; 52 } 53 54 String[] unitValues = getUnitValues(); 55 56 for (int i = 0; i < unitValues.length; i++) { 57 TickButtonPreference pref = new TickButtonPreference(mContext); 58 mPreferenceCategory.addPreference(pref); 59 final String item = unitValues[i]; 60 final String value = RegionalPreferencesDataUtils.getDefaultUnicodeExtensionData( 61 mContext, getExtensionTypes()); 62 pref.setTitle(getPreferenceTitle(item)); 63 pref.setKey(item); 64 pref.setOnPreferenceClickListener(clickedPref -> { 65 setSelected(pref); 66 RegionalPreferencesDataUtils.savePreference(mContext, getExtensionTypes(), 67 item.equals(RegionalPreferencesDataUtils.DEFAULT_VALUE) 68 ? null : item); 69 String metrics = 70 getMetricsActionKey() == SettingsEnums.ACTION_SET_FIRST_DAY_OF_WEEK ? "" 71 : getPreferenceTitle(value) + " > " + getPreferenceTitle(item); 72 mMetricsFeatureProvider.action(mContext, getMetricsActionKey(), metrics); 73 return true; 74 }); 75 pref.setSelected(!value.isEmpty() && item.equals(value)); 76 } 77 } 78 setSelected(TickButtonPreference preference)79 private void setSelected(TickButtonPreference preference) { 80 for (int i = 0; i < mPreferenceCategory.getPreferenceCount(); i++) { 81 TickButtonPreference pref = (TickButtonPreference) mPreferenceCategory.getPreference(i); 82 if (pref.getKey().equals(preference.getKey())) { 83 pref.setSelected(true); 84 continue; 85 } 86 pref.setSelected(false); 87 } 88 } 89 90 @Override getAvailabilityStatus()91 public int getAvailabilityStatus() { 92 return AVAILABLE; 93 } 94 getPreferenceTitle(String item)95 protected abstract String getPreferenceTitle(String item); 96 getPreferenceCategoryKey()97 protected abstract String getPreferenceCategoryKey(); 98 getExtensionTypes()99 protected abstract String getExtensionTypes(); 100 getUnitValues()101 protected abstract String[] getUnitValues(); 102 getMetricsActionKey()103 protected abstract int getMetricsActionKey(); 104 105 106 } 107