| /* |
| * Copyright (C) 2011 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.account; |
| |
| import android.accounts.Account; |
| import android.content.Context; |
| import android.database.Cursor; |
| import android.net.Uri; |
| import android.os.Parcel; |
| import android.os.Parcelable; |
| import android.provider.BaseColumns; |
| import android.provider.ContactsContract; |
| import android.provider.ContactsContract.RawContacts; |
| import android.text.TextUtils; |
| |
| import com.android.contacts.common.model.AccountTypeManager; |
| import com.android.contacts.common.preference.ContactsPreferences; |
| import com.google.common.base.Objects; |
| import com.google.common.collect.Lists; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.regex.Pattern; |
| |
| /** |
| * Wrapper for an account that includes a data set (which may be null). |
| */ |
| public class AccountWithDataSet implements Parcelable { |
| private static final String STRINGIFY_SEPARATOR = "\u0001"; |
| private static final String ARRAY_STRINGIFY_SEPARATOR = "\u0002"; |
| |
| private static final Pattern STRINGIFY_SEPARATOR_PAT = |
| Pattern.compile(Pattern.quote(STRINGIFY_SEPARATOR)); |
| private static final Pattern ARRAY_STRINGIFY_SEPARATOR_PAT = |
| Pattern.compile(Pattern.quote(ARRAY_STRINGIFY_SEPARATOR)); |
| |
| public final String name; |
| public final String type; |
| public final String dataSet; |
| private final AccountTypeWithDataSet mAccountTypeWithDataSet; |
| |
| private static final String[] ID_PROJECTION = new String[] {BaseColumns._ID}; |
| private static final Uri RAW_CONTACTS_URI_LIMIT_1 = RawContacts.CONTENT_URI.buildUpon() |
| .appendQueryParameter(ContactsContract.LIMIT_PARAM_KEY, "1").build(); |
| |
| public static final String LOCAL_ACCOUNT_SELECTION = RawContacts.ACCOUNT_TYPE + " IS NULL AND " |
| + RawContacts.ACCOUNT_NAME + " IS NULL AND " |
| + RawContacts.DATA_SET + " IS NULL"; |
| |
| public AccountWithDataSet(String name, String type, String dataSet) { |
| this.name = emptyToNull(name); |
| this.type = emptyToNull(type); |
| this.dataSet = emptyToNull(dataSet); |
| mAccountTypeWithDataSet = AccountTypeWithDataSet.get(type, dataSet); |
| } |
| |
| private static final String emptyToNull(String text) { |
| return TextUtils.isEmpty(text) ? null : text; |
| } |
| |
| public AccountWithDataSet(Parcel in) { |
| this.name = in.readString(); |
| this.type = in.readString(); |
| this.dataSet = in.readString(); |
| mAccountTypeWithDataSet = AccountTypeWithDataSet.get(type, dataSet); |
| } |
| |
| public boolean isNullAccount() { |
| return name == null && type == null && dataSet == null; |
| } |
| |
| public static AccountWithDataSet getNullAccount() { |
| return new AccountWithDataSet(null, null, null); |
| } |
| |
| public Account getAccountOrNull() { |
| if (name != null && type != null) { |
| return new Account(name, type); |
| } |
| return null; |
| } |
| |
| public int describeContents() { |
| return 0; |
| } |
| |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeString(name); |
| dest.writeString(type); |
| dest.writeString(dataSet); |
| } |
| |
| // For Parcelable |
| public static final Creator<AccountWithDataSet> CREATOR = new Creator<AccountWithDataSet>() { |
| public AccountWithDataSet createFromParcel(Parcel source) { |
| return new AccountWithDataSet(source); |
| } |
| |
| public AccountWithDataSet[] newArray(int size) { |
| return new AccountWithDataSet[size]; |
| } |
| }; |
| |
| public AccountTypeWithDataSet getAccountTypeWithDataSet() { |
| return mAccountTypeWithDataSet; |
| } |
| |
| /** |
| * Return {@code true} if this account has any contacts in the database. |
| * Touches DB. Don't use in the UI thread. |
| */ |
| public boolean hasData(Context context) { |
| String selection; |
| String[] args = null; |
| if (isNullAccount()) { |
| selection = LOCAL_ACCOUNT_SELECTION; |
| } else { |
| final String BASE_SELECTION = |
| RawContacts.ACCOUNT_TYPE + " = ?" + " AND " + RawContacts.ACCOUNT_NAME + " = ?"; |
| if (TextUtils.isEmpty(dataSet)) { |
| selection = BASE_SELECTION + " AND " + RawContacts.DATA_SET + " IS NULL"; |
| args = new String[] {type, name}; |
| } else { |
| selection = BASE_SELECTION + " AND " + RawContacts.DATA_SET + " = ?"; |
| args = new String[] {type, name, dataSet}; |
| } |
| } |
| selection += " AND " + RawContacts.DELETED + "=0"; |
| |
| final Cursor c = context.getContentResolver().query(RAW_CONTACTS_URI_LIMIT_1, |
| ID_PROJECTION, selection, args, null); |
| if (c == null) return false; |
| try { |
| return c.moveToFirst(); |
| } finally { |
| c.close(); |
| } |
| } |
| |
| public boolean equals(Object obj) { |
| if (obj instanceof AccountWithDataSet) { |
| AccountWithDataSet other = (AccountWithDataSet) obj; |
| return Objects.equal(name, other.name) |
| && Objects.equal(type, other.type) |
| && Objects.equal(dataSet, other.dataSet); |
| } |
| return false; |
| } |
| |
| public int hashCode() { |
| int result = 17; |
| result = 31 * result + (name != null ? name.hashCode() : 0); |
| result = 31 * result + (type != null ? type.hashCode() : 0); |
| result = 31 * result + (dataSet != null ? dataSet.hashCode() : 0); |
| return result; |
| } |
| |
| public String toString() { |
| return "AccountWithDataSet {name=" + name + ", type=" + type + ", dataSet=" + dataSet + "}"; |
| } |
| |
| private static StringBuilder addStringified(StringBuilder sb, AccountWithDataSet account) { |
| if (!TextUtils.isEmpty(account.name)) sb.append(account.name); |
| sb.append(STRINGIFY_SEPARATOR); |
| if (!TextUtils.isEmpty(account.type)) sb.append(account.type); |
| sb.append(STRINGIFY_SEPARATOR); |
| if (!TextUtils.isEmpty(account.dataSet)) sb.append(account.dataSet); |
| |
| return sb; |
| } |
| |
| /** |
| * Pack the instance into a string. |
| */ |
| public String stringify() { |
| return addStringified(new StringBuilder(), this).toString(); |
| } |
| |
| /** |
| * Unpack a string created by {@link #stringify}. |
| * |
| * @throws IllegalArgumentException if it's an invalid string. |
| */ |
| public static AccountWithDataSet unstringify(String s) { |
| final String[] array = STRINGIFY_SEPARATOR_PAT.split(s, 3); |
| if (array.length < 3) { |
| throw new IllegalArgumentException("Invalid string " + s); |
| } |
| return new AccountWithDataSet(array[0], array[1], |
| TextUtils.isEmpty(array[2]) ? null : array[2]); |
| } |
| |
| /** |
| * Pack a list of {@link AccountWithDataSet} into a string. |
| */ |
| public static String stringifyList(List<AccountWithDataSet> accounts) { |
| final StringBuilder sb = new StringBuilder(); |
| |
| for (AccountWithDataSet account : accounts) { |
| if (sb.length() > 0) { |
| sb.append(ARRAY_STRINGIFY_SEPARATOR); |
| } |
| addStringified(sb, account); |
| } |
| |
| return sb.toString(); |
| } |
| |
| /** |
| * Unpack a list of {@link AccountWithDataSet} into a string. |
| * |
| * @throws IllegalArgumentException if it's an invalid string. |
| */ |
| public static List<AccountWithDataSet> unstringifyList(String s) { |
| final ArrayList<AccountWithDataSet> ret = Lists.newArrayList(); |
| if (TextUtils.isEmpty(s)) { |
| return ret; |
| } |
| |
| final String[] array = ARRAY_STRINGIFY_SEPARATOR_PAT.split(s); |
| |
| for (int i = 0; i < array.length; i++) { |
| ret.add(unstringify(array[i])); |
| } |
| |
| return ret; |
| } |
| |
| public static AccountWithDataSet getDefaultOrBestFallback(ContactsPreferences preferences, |
| AccountTypeManager accountTypeManager) { |
| if (preferences.isDefaultAccountSet()) { |
| final AccountWithDataSet account = preferences.getDefaultAccount(); |
| if (accountTypeManager.contains(account, true)) { |
| return account; |
| } |
| } |
| final List<AccountWithDataSet> accounts = accountTypeManager |
| .getAccounts(/* writableOnly */ true); |
| |
| if (accounts.isEmpty()) { |
| return AccountWithDataSet.getNullAccount(); |
| } |
| |
| // Return the first google account |
| for (AccountWithDataSet account : accounts) { |
| if (GoogleAccountType.ACCOUNT_TYPE.equals(account) && account.dataSet == null) { |
| return account; |
| } |
| } |
| // Arbitrarily return the first writable account |
| return accounts.get(0); |
| } |
| } |