| /* |
| * 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; |
| |
| import android.accounts.Account; |
| import android.accounts.AccountManager; |
| import android.content.Context; |
| |
| import com.android.contacts.Experiments; |
| import com.android.contacts.model.account.AccountWithDataSet; |
| import com.android.contacts.model.account.GoogleAccountType; |
| import com.android.contactsbind.ObjectFactory; |
| import com.android.contactsbind.experiments.Flags; |
| |
| import java.util.Collections; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| |
| /** |
| * Attempts to detect accounts for device contacts |
| */ |
| public abstract class DeviceLocalAccountLocator { |
| |
| /** |
| * Returns a list of device local accounts |
| */ |
| public abstract List<AccountWithDataSet> getDeviceLocalAccounts(); |
| |
| // This works on Nexus and AOSP because the local device account is the null account but most |
| // OEMs have a special account name and type for their device account. |
| public static final DeviceLocalAccountLocator NULL_ONLY = new DeviceLocalAccountLocator() { |
| @Override |
| public List<AccountWithDataSet> getDeviceLocalAccounts() { |
| return Collections.singletonList(AccountWithDataSet.getNullAccount()); |
| } |
| }; |
| |
| public static DeviceLocalAccountLocator create(Context context, |
| Set<String> knownAccountTypes) { |
| if (Flags.getInstance().getBoolean(Experiments.CP2_DEVICE_ACCOUNT_DETECTION_ENABLED)) { |
| return new Cp2DeviceLocalAccountLocator(context.getContentResolver(), |
| ObjectFactory.getDeviceLocalAccountTypeFactory(context), knownAccountTypes); |
| } |
| return NULL_ONLY; |
| } |
| |
| public static DeviceLocalAccountLocator create(Context context) { |
| final AccountManager accountManager = |
| (AccountManager) context.getSystemService(Context.ACCOUNT_SERVICE); |
| final Set<String> knownTypes = new HashSet<>(); |
| for (Account account : accountManager.getAccounts()) { |
| knownTypes.add(account.type); |
| } |
| if (Flags.getInstance().getBoolean(Experiments.CP2_DEVICE_ACCOUNT_DETECTION_ENABLED)) { |
| return new Cp2DeviceLocalAccountLocator(context.getContentResolver(), |
| ObjectFactory.getDeviceLocalAccountTypeFactory(context), knownTypes); |
| } else { |
| return new NexusDeviceAccountLocator(accountManager); |
| } |
| } |
| |
| /** |
| * On Nexus the "device" account uses "null" values for the account name and type columns |
| * |
| * <p>However, the focus sync adapter automatically migrates contacts from this null |
| * account to a Google account if one exists. Hence, the device account should be returned |
| * only when there is no Google Account added |
| * </p> |
| */ |
| public static class NexusDeviceAccountLocator extends DeviceLocalAccountLocator { |
| |
| private final AccountManager mAccountManager; |
| |
| public NexusDeviceAccountLocator(AccountManager accountManager) { |
| mAccountManager = accountManager; |
| } |
| |
| @Override |
| public List<AccountWithDataSet> getDeviceLocalAccounts() { |
| @SuppressWarnings("MissingPermission") |
| final Account[] accounts = mAccountManager |
| .getAccountsByType(GoogleAccountType.ACCOUNT_TYPE); |
| |
| if (accounts.length > 0) { |
| return Collections.emptyList(); |
| } else { |
| return Collections.singletonList(AccountWithDataSet.getNullAccount()); |
| } |
| } |
| } |
| } |