Marcus Hagerott | 04be88c | 2016-12-07 09:55:03 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2016 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 | package com.android.contacts.model.account; |
| 17 | |
| 18 | import com.google.common.base.Objects; |
| 19 | |
| 20 | import java.util.Comparator; |
| 21 | |
| 22 | /** |
| 23 | * Orders accounts for display such that the default account is first |
| 24 | */ |
| 25 | public class AccountComparator implements Comparator<AccountWithDataSet> { |
| 26 | private AccountWithDataSet mDefaultAccount; |
| 27 | |
| 28 | public AccountComparator(AccountWithDataSet defaultAccount) { |
| 29 | mDefaultAccount = defaultAccount; |
| 30 | } |
| 31 | |
| 32 | @Override |
| 33 | public int compare(AccountWithDataSet a, AccountWithDataSet b) { |
| 34 | if (Objects.equal(a.name, b.name) && Objects.equal(a.type, b.type) |
| 35 | && Objects.equal(a.dataSet, b.dataSet)) { |
| 36 | return 0; |
| 37 | } else if (b.name == null || b.type == null) { |
| 38 | return -1; |
| 39 | } else if (a.name == null || a.type == null) { |
| 40 | return 1; |
| 41 | } else if (isWritableGoogleAccount(a) && a.equals(mDefaultAccount)) { |
| 42 | return -1; |
| 43 | } else if (isWritableGoogleAccount(b) && b.equals(mDefaultAccount)) { |
| 44 | return 1; |
| 45 | } else if (isWritableGoogleAccount(a) && !isWritableGoogleAccount(b)) { |
| 46 | return -1; |
| 47 | } else if (isWritableGoogleAccount(b) && !isWritableGoogleAccount(a)) { |
| 48 | return 1; |
| 49 | } else { |
| 50 | int diff = a.name.compareToIgnoreCase(b.name); |
| 51 | if (diff != 0) { |
| 52 | return diff; |
| 53 | } |
| 54 | diff = a.type.compareToIgnoreCase(b.type); |
| 55 | if (diff != 0) { |
| 56 | return diff; |
| 57 | } |
| 58 | |
| 59 | // Accounts without data sets get sorted before those that have them. |
| 60 | if (a.dataSet != null) { |
| 61 | return b.dataSet == null ? 1 : a.dataSet.compareToIgnoreCase(b.dataSet); |
| 62 | } else { |
| 63 | return -1; |
| 64 | } |
| 65 | } |
| 66 | } |
| 67 | |
| 68 | private static boolean isWritableGoogleAccount(AccountWithDataSet account) { |
| 69 | return GoogleAccountType.ACCOUNT_TYPE.equals(account.type) && account.dataSet == null; |
| 70 | } |
| 71 | } |