| /* |
| * Copyright (C) 2016 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.contacts.model.account; |
| |
| import com.google.common.base.Objects; |
| |
| import java.util.Comparator; |
| |
| /** |
| * Orders accounts for display such that the default account is first |
| */ |
| public class AccountComparator implements Comparator<AccountWithDataSet> { |
| private AccountWithDataSet mDefaultAccount; |
| |
| public AccountComparator(AccountWithDataSet defaultAccount) { |
| mDefaultAccount = defaultAccount; |
| } |
| |
| @Override |
| public int compare(AccountWithDataSet a, AccountWithDataSet b) { |
| if (Objects.equal(a.name, b.name) && Objects.equal(a.type, b.type) |
| && Objects.equal(a.dataSet, b.dataSet)) { |
| return 0; |
| } else if (b.name == null || b.type == null) { |
| return -1; |
| } else if (a.name == null || a.type == null) { |
| return 1; |
| } else if (isWritableGoogleAccount(a) && a.equals(mDefaultAccount)) { |
| return -1; |
| } else if (isWritableGoogleAccount(b) && b.equals(mDefaultAccount)) { |
| return 1; |
| } else if (isWritableGoogleAccount(a) && !isWritableGoogleAccount(b)) { |
| return -1; |
| } else if (isWritableGoogleAccount(b) && !isWritableGoogleAccount(a)) { |
| return 1; |
| } else { |
| int diff = a.name.compareToIgnoreCase(b.name); |
| if (diff != 0) { |
| return diff; |
| } |
| diff = a.type.compareToIgnoreCase(b.type); |
| if (diff != 0) { |
| return diff; |
| } |
| |
| // Accounts without data sets get sorted before those that have them. |
| if (a.dataSet != null) { |
| return b.dataSet == null ? 1 : a.dataSet.compareToIgnoreCase(b.dataSet); |
| } else { |
| return -1; |
| } |
| } |
| } |
| |
| private static boolean isWritableGoogleAccount(AccountWithDataSet account) { |
| return GoogleAccountType.ACCOUNT_TYPE.equals(account.type) && account.dataSet == null; |
| } |
| } |