| /* |
| * 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.common.model; |
| |
| import android.accounts.AccountManager; |
| import android.content.ContentResolver; |
| import android.database.Cursor; |
| import android.net.Uri; |
| import android.provider.ContactsContract; |
| import android.support.annotation.VisibleForTesting; |
| |
| import com.android.contacts.common.model.account.AccountWithDataSet; |
| import com.android.contacts.common.util.DeviceLocalAccountTypeFactory; |
| |
| import java.util.ArrayList; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| |
| /** |
| * Attempts to create accounts for "Device" contacts by querying |
| * CP2 for records with {@link android.provider.ContactsContract.RawContacts#ACCOUNT_TYPE} columns |
| * that do not exist for any account returned by {@link AccountManager#getAccounts()} |
| * |
| * This class should be used from a background thread since it does DB queries |
| */ |
| public class Cp2DeviceLocalAccountLocator extends DeviceLocalAccountLocator { |
| |
| // Note this class is assuming ACCOUNT_NAME and ACCOUNT_TYPE have same values in |
| // RawContacts, Groups, and Settings. This assumption simplifies the code somewhat and it |
| // is true right now and unlikely to ever change. |
| @VisibleForTesting |
| static String[] PROJECTION = new String[] { |
| ContactsContract.RawContacts.ACCOUNT_NAME, ContactsContract.RawContacts.ACCOUNT_TYPE, |
| ContactsContract.RawContacts.DATA_SET |
| }; |
| |
| private static final int COL_NAME = 0; |
| private static final int COL_TYPE = 1; |
| private static final int COL_DATA_SET = 2; |
| |
| private final ContentResolver mResolver; |
| private final DeviceLocalAccountTypeFactory mAccountTypeFactory; |
| |
| private final String mSelection; |
| private final String[] mSelectionArgs; |
| |
| public Cp2DeviceLocalAccountLocator(ContentResolver contentResolver, |
| DeviceLocalAccountTypeFactory factory, |
| List<AccountWithDataSet> knownAccounts) { |
| mResolver = contentResolver; |
| mAccountTypeFactory = factory; |
| |
| final Set<String> knownAccountTypes = new HashSet<>(); |
| for (AccountWithDataSet account : knownAccounts) { |
| knownAccountTypes.add(account.type); |
| } |
| mSelection = getSelection(knownAccountTypes); |
| mSelectionArgs = getSelectionArgs(knownAccountTypes); |
| } |
| |
| @Override |
| public List<AccountWithDataSet> getDeviceLocalAccounts() { |
| |
| final Set<AccountWithDataSet> localAccounts = new HashSet<>(); |
| |
| // Many device accounts have default groups associated with them. |
| addAccountsFromQuery(ContactsContract.Groups.CONTENT_URI, localAccounts); |
| addAccountsFromQuery(ContactsContract.Settings.CONTENT_URI, localAccounts); |
| addAccountsFromQuery(ContactsContract.RawContacts.CONTENT_URI, localAccounts); |
| |
| return new ArrayList<>(localAccounts); |
| } |
| |
| private void addAccountsFromQuery(Uri uri, Set<AccountWithDataSet> accounts) { |
| final Cursor cursor = mResolver.query(uri, PROJECTION, mSelection, mSelectionArgs, null); |
| |
| if (cursor == null) return; |
| |
| try { |
| addAccountsFromCursor(cursor, accounts); |
| } finally { |
| cursor.close(); |
| } |
| } |
| |
| private void addAccountsFromCursor(Cursor cursor, Set<AccountWithDataSet> accounts) { |
| while (cursor.moveToNext()) { |
| final String name = cursor.getString(COL_NAME); |
| final String type = cursor.getString(COL_TYPE); |
| final String dataSet = cursor.getString(COL_DATA_SET); |
| |
| if (DeviceLocalAccountTypeFactory.Util.isLocalAccountType( |
| mAccountTypeFactory, type)) { |
| accounts.add(new AccountWithDataSet(name, type, dataSet)); |
| } |
| } |
| } |
| |
| @VisibleForTesting |
| public String getSelection() { |
| return mSelection; |
| } |
| |
| @VisibleForTesting |
| public String[] getSelectionArgs() { |
| return mSelectionArgs; |
| } |
| |
| private static String getSelection(Set<String> knownAccountTypes) { |
| final StringBuilder sb = new StringBuilder() |
| .append(ContactsContract.RawContacts.ACCOUNT_TYPE).append(" IS NULL"); |
| if (knownAccountTypes.isEmpty()) { |
| return sb.toString(); |
| } |
| sb.append(" OR ").append(ContactsContract.RawContacts.ACCOUNT_TYPE).append(" NOT IN ("); |
| for (String ignored : knownAccountTypes) { |
| sb.append("?,"); |
| } |
| // Remove trailing ',' |
| sb.deleteCharAt(sb.length() - 1).append(')'); |
| return sb.toString(); |
| } |
| |
| private static String[] getSelectionArgs(Set<String> knownAccountTypes) { |
| if (knownAccountTypes.isEmpty()) return null; |
| |
| return knownAccountTypes.toArray(new String[knownAccountTypes.size()]); |
| } |
| } |