具有Android 12/11/11兼容性的VirtualApp-Android开发

/* * Copyright (C) 2009 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.lody.virtual.server.content; import android.accounts.Account; import android.content.ComponentName; import android.content.ContentResolver; import android.content.Context; import android.content.ISyncStatusObserver; import android.content.PeriodicSync; import android.content.SyncStatusInfo; import android.database.Cursor; import android.database.sqlite.SQLiteDatabase; import android.database.sqlite.SQLiteException; import android.database.sqlite.SQLiteQueryBuilder; import android.os.Bundle; import android.os.Handler; import android.os.Message; import android.os.Parcel; import android.os.RemoteCallbackList; import android.os.RemoteException; import android.util.Log; import android.util.Pair; import android.util.SparseArray; import android.util.Xml; import com.lody.virtual.helper.compat.ContentResolverCompat; import com.lody.virtual.helper.utils.ArrayUtils; import com.lody.virtual.helper.utils.AtomicFile; import com.lody.virtual.helper.utils.FastXmlSerializer; import com.lody.virtual.os.VEnvironment; import com.lody.virtual.server.accounts.AccountAndUser; import org.xmlpull.v1.XmlPullParser; import org.xmlpull.v1.XmlPullParserException; import org.xmlpull.v1.XmlSerializer; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.util.ArrayList; import java.util.Calendar; import java.util.HashMap; import java.util.Iterator; import java.util.List; import java.util.Random; import java.util.TimeZone; /** * Singleton that tracks the sync data and overall sync * history on the device. * * @hide */ public class SyncStorageEngine extends Handler { private static final String TAG = "SyncManager"; private static final boolean DEBUG = false; private static final String TAG_FILE = "SyncManagerFile"; private static final String XML_ATTR_NEXT_AUTHORITY_ID = "nextAuthorityId"; private static final String XML_ATTR_LISTEN_FOR_TICKLES = "listen-for-tickles"; private static final String XML_ATTR_SYNC_RANDOM_OFFSET = "offsetInSeconds"; private static final String XML_ATTR_ENABLED = "enabled"; private static final String XML_ATTR_USER = "user"; private static final String XML_TAG_LISTEN_FOR_TICKLES = "listenForTickles"; /** * Default time for a periodic sync. */ private static final long DEFAULT_POLL_FREQUENCY_SECONDS = 60 * 60 * 24; // One day /** * Percentage of period that is flex by default, if no flex is set. */ private static final double DEFAULT_FLEX_PERCENT_SYNC = 0.04; /** * Lower bound on sync time from which we assign a default flex time. */ private static final long DEFAULT_MIN_FLEX_ALLOWED_SECS = 5; /** * Enum value for a sync start event. */ public static final int EVENT_START = 0; /** * Enum value for a sync stop event. */ public static final int EVENT_STOP = 1; // TODO: i18n -- grab these out of resources. /** * String names for the sync event types. */ public static final String[] EVENTS = {"START", "STOP"}; /** * Enum value for a server-initiated sync. */ public static final int SOURCE_SERVER = 0; /** * Enum value for a local-initiated sync. */ public static final int SOURCE_LOCAL = 1; /** * Enum value for a poll-based sync (e.g., upon connection to * network) */ public static final int SOURCE_POLL = 2; /** * Enum value for a user-initiated sync. */ public static final int SOURCE_USER = 3; /** * Enum value for a periodic sync. */ public static final int SOURCE_PERIODIC = 4; public static final long NOT_IN_BACKOFF_MODE = -1; // TODO: i18n -- grab these out of resources. /** * String names for the sync source types. */ public static final String[] SOURCES = {"SERVER", "LOCAL", "POLL", "USER", "PERIODIC"}; // The MESG column will contain one of these or one of the Error types. public static final String MESG_SUCCESS = "success"; public static final String MESG_CANCELED = "canceled"; public static final int MAX_HISTORY = 100; private static final int MSG_WRITE_STATUS = 1; private static final long WRITE_STATUS_DELAY = 1000 * 60 * 10; // 10 minutes private static final int MSG_WRITE_STATISTICS = 2; private static final long WRITE_STATISTICS_DELAY = 1000 * 60 * 30; // 1/2 hour private static final boolean SYNC_ENABLED_DEFAULT = false; // the version of the accounts xml file format private static final int ACCOUNTS_VERSION = 2; private static HashMap<String, String> sAuthorityRenames; static { sAuthorityRenames = new HashMap<String, String>(); sAuthorityRenames.put("contacts", "com.android.contacts"); sAuthorityRenames.put("calendar", "com.android.calendar"); } public static class PendingOperation { final Account account; final int userId; final int reason; final int syncSource; final String authority; final Bundle extras; // note: read-only. final ComponentName serviceName; final boolean expedited; int authorityId; byte[] flatExtras; PendingOperation(Account account, int userId, int reason, int source, String authority, Bundle extras, boolean expedited) { this.account = account; this.userId = userId; this.syncSource = source; this.reason = reason; this.authority = authority; this.extras = extras != null ? new Bundle(extras) : extras; this.expedited = expedited; this.authorityId = -1; this.serviceName = null; } PendingOperation(PendingOperation other) { this.account = other.account; this.userId = other.userId; this.reason = other.reason; this.syncSource = other.syncSource; this.authority = other.authority; this.extras = other.extras; this.authorityId = other.authorityId; this.expedited = other.expedited; this.serviceName = other.serviceName; } } static class AccountInfo { final AccountAndUser accountAndUser; final HashMap<String, AuthorityInfo> authorities = new HashMap<String, AuthorityInfo>(); AccountInfo(AccountAndUser accountAndUser) { this.accountAndUser = accountAndUser; } } public static class AuthorityInfo { final ComponentName service; final Account account; final int userId; final String authority; final int ident; boolean enabled; int syncable; long backoffTime; long backoffDelay; long delayUntil; final ArrayList<PeriodicSync> periodicSyncs; /** * Copy constructor for making deep-ish copies. Only the bundles stored * in periodic syncs can make unexpected changes. * * @param toCopy AuthorityInfo to be copied. */ AuthorityInfo(AuthorityInfo toCopy) { account = toCopy.account; userId = toCopy.userId; authority = toCopy.auth