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author | Treehugger Robot <treehugger-gerrit@google.com> | 2017-08-31 16:17:04 +0000 |
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committer | Gerrit Code Review <noreply-gerritcodereview@google.com> | 2017-08-31 16:17:04 +0000 |
commit | c39ea3c55fac807c0b98aabdf56c70dc8a49036c (patch) | |
tree | e282668a9587cf6c1ec7b604dea860400c75c6c7 /java/com/android/dialer/backup/DialerPersistentBackupAgent.java | |
parent | 68038172793ee0e2ab3e2e56ddfbeb82879d1f58 (diff) | |
parent | 2ca4318cc1ee57dda907ba2069bd61d162b1baef (diff) |
Merge "Update Dialer source to latest internal Google revision."
Diffstat (limited to 'java/com/android/dialer/backup/DialerPersistentBackupAgent.java')
-rw-r--r-- | java/com/android/dialer/backup/DialerPersistentBackupAgent.java | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/java/com/android/dialer/backup/DialerPersistentBackupAgent.java b/java/com/android/dialer/backup/DialerPersistentBackupAgent.java new file mode 100644 index 000000000..18cb084c2 --- /dev/null +++ b/java/com/android/dialer/backup/DialerPersistentBackupAgent.java @@ -0,0 +1,91 @@ +/* + * Copyright (C) 2017 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.dialer.backup; + +import android.app.backup.BackupDataInput; +import android.app.backup.BackupDataOutput; +import android.os.ParcelFileDescriptor; +import android.support.annotation.NonNull; +import android.support.annotation.VisibleForTesting; +import android.util.ArrayMap; +import com.android.dialer.common.Assert; +import com.android.dialer.common.LogUtil; +import com.android.dialer.logging.DialerImpression; +import com.android.dialer.logging.Logger; +import com.google.android.libraries.backup.BackupKeyPredicate; +import com.google.android.libraries.backup.BackupKeyPredicates; +import com.google.android.libraries.backup.PersistentBackupAgentHelper; +import java.io.IOException; +import java.util.Map; + +/** Implementation of Key/Value Backup that powers Dialer's backup and restore. */ +public class DialerPersistentBackupAgent extends PersistentBackupAgentHelper { + + private static final String[] BACKUP_NAMED_SHARED_PREFS = { + "com.google.android.dialer_preferences", "com.google.android.dialer", "com.android.dialer" + }; + + @NonNull private final String[] sharedPreferencesToBackup; + + @VisibleForTesting(otherwise = VisibleForTesting.NONE) + DialerPersistentBackupAgent(@NonNull String[] sharedPrefs) { + this.sharedPreferencesToBackup = Assert.isNotNull(sharedPrefs); + Logger.get(this).logImpression(DialerImpression.Type.BACKUP_KEY_VALUE_BACKUP_AGENT_CONSTRUCTOR); + } + + public DialerPersistentBackupAgent() { + this(BACKUP_NAMED_SHARED_PREFS); + } + + @Override + public void onRestore(BackupDataInput data, int appVersionCode, ParcelFileDescriptor stateFile) + throws IOException { + Logger.get(this).logImpression(DialerImpression.Type.BACKUP_KEY_VALUE_ON_RESTORE); + LogUtil.i("DialerPersistentBackupAgent.onRestore", "restore from version: " + appVersionCode); + super.onRestore(data, appVersionCode, stateFile); + } + + @Override + public void onBackup( + ParcelFileDescriptor oldState, BackupDataOutput data, ParcelFileDescriptor newState) + throws IOException { + Logger.get(this).logImpression(DialerImpression.Type.BACKUP_KEY_VALUE_ON_BACKUP); + LogUtil.i("DialerPersistentBackupAgent.onBackup", "onBackup being performed"); + super.onBackup(oldState, data, newState); + } + + @Override + public Map<String, BackupKeyPredicate> getBackupSpecification() { + Logger.get(this).logImpression(DialerImpression.Type.BACKUP_KEY_VALUE_GET_BACKUP_SPECIFICATION); + LogUtil.i( + "DialerPersistentBackupAgent.getBackupSpecification", + "number of files being backed up: " + sharedPreferencesToBackup.length); + + Map<String, BackupKeyPredicate> arrayMap = new ArrayMap<>(); + for (String fileName : sharedPreferencesToBackup) { + LogUtil.i("DialerPersistentBackupAgent.getBackupSpecification", "arrayMap.put: " + fileName); + arrayMap.put(fileName, BackupKeyPredicates.alwaysTrue()); + } + + return arrayMap; + } + + @Override + public void onRestoreFinished() { + Logger.get(this).logImpression(DialerImpression.Type.BACKUP_KEY_VALUE_ON_RESTORE_FINISHED); + super.onRestoreFinished(); + } +} |