1 /* 2 * Copyright (C) 2015 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.contacts.common.preference; 18 19 import android.app.AlertDialog; 20 import android.content.Context; 21 import android.preference.ListPreference; 22 import android.util.AttributeSet; 23 24 import com.android.contacts.common.model.AccountTypeManager; 25 import com.android.contacts.common.model.account.AccountType; 26 import com.android.contacts.common.model.account.AccountTypeWithDataSet; 27 import com.android.contacts.common.model.account.AccountWithDataSet; 28 29 import java.util.HashMap; 30 import java.util.List; 31 import java.util.Map; 32 import java.util.Set; 33 34 public class DefaultAccountPreference extends ListPreference { 35 private ContactsPreferences mPreferences; 36 private Map<String, AccountWithDataSet> mAccountMap; 37 38 public DefaultAccountPreference(Context context) { 39 super(context); 40 prepare(); 41 } 42 43 public DefaultAccountPreference(Context context, AttributeSet attrs) { 44 super(context, attrs); 45 prepare(); 46 } 47 48 private void prepare() { 49 mPreferences = new ContactsPreferences(getContext()); 50 mAccountMap = new HashMap<>(); 51 final AccountTypeManager accountTypeManager = AccountTypeManager.getInstance(getContext()); 52 List<AccountWithDataSet> accounts = accountTypeManager.getAccounts(true); 53 for (AccountWithDataSet account : accounts) { 54 mAccountMap.put(account.name, account); 55 } 56 final Set<String> accountNames = mAccountMap.keySet(); 57 final String[] accountNamesArray = accountNames.toArray(new String[accountNames.size()]); 58 setEntries(accountNamesArray); 59 setEntryValues(accountNamesArray); 60 final String defaultAccount = String.valueOf(mPreferences.getDefaultAccount()); 61 if (accounts.size() == 1) { 62 setValue(accounts.get(0).name); 63 } else if (accountNames.contains(defaultAccount)) { 64 setValue(defaultAccount); 65 } else { 66 setValue(null); 67 } 68 } 69 70 @Override 71 protected boolean shouldPersist() { 72 return false; // This preference takes care of its own storage 73 } 74 75 @Override 76 public CharSequence getSummary() { 77 return mPreferences.getDefaultAccount(); 78 } 79 80 @Override 81 protected boolean persistString(String value) { 82 if (value == null && mPreferences.getDefaultAccount() == null) { 83 return true; 84 } 85 if (value == null || mPreferences.getDefaultAccount() == null 86 || !value.equals(mPreferences.getDefaultAccount())) { 87 mPreferences.setDefaultAccount(mAccountMap.get(value)); 88 notifyChanged(); 89 } 90 return true; 91 } 92 93 @Override 94 // UX recommendation is not to show cancel button on such lists. 95 protected void onPrepareDialogBuilder(AlertDialog.Builder builder) { 96 super.onPrepareDialogBuilder(builder); 97 builder.setNegativeButton(null, null); 98 } 99 } 100
