Merge "Add app-locales backup helper to SystemBackupAgent."
diff --git a/services/core/java/com/android/server/backup/AppSpecificLocalesBackupHelper.java b/services/core/java/com/android/server/backup/AppSpecificLocalesBackupHelper.java
new file mode 100644
index 0000000..1726da2
--- /dev/null
+++ b/services/core/java/com/android/server/backup/AppSpecificLocalesBackupHelper.java
@@ -0,0 +1,90 @@
+/*
+ * Copyright (C) 2021 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.server.backup;
+
+import android.annotation.NonNull;
+import android.annotation.UserIdInt;
+import android.app.backup.BlobBackupHelper;
+import android.util.Slog;
+
+import com.android.server.LocalServices;
+import com.android.server.locales.LocaleManagerInternal;
+
+/**
+ * Helper for backing up app-specific locales.
+ * <p>
+ * This helper is used in {@link com.android.server.backup.SystemBackupAgent}
+ */
+public class AppSpecificLocalesBackupHelper extends BlobBackupHelper {
+ private static final String TAG = "AppLocalesBackupHelper"; // must be < 23 chars
+ private static final boolean DEBUG = false;
+
+ // Current version of the blob schema
+ private static final int BLOB_VERSION = 1;
+
+ // Key under which the payload blob is stored
+ private static final String KEY_APP_LOCALES = "app_locales";
+
+ private final @UserIdInt int mUserId;
+
+ private final @NonNull LocaleManagerInternal mLocaleManagerInternal;
+
+ public AppSpecificLocalesBackupHelper(int userId) {
+ super(BLOB_VERSION, KEY_APP_LOCALES);
+ mUserId = userId;
+ mLocaleManagerInternal = LocalServices.getService(LocaleManagerInternal.class);
+ }
+
+ @Override
+ protected byte[] getBackupPayload(String key) {
+ if (DEBUG) {
+ Slog.d(TAG, "Handling backup of " + key);
+ }
+
+ byte[] newPayload = null;
+ if (KEY_APP_LOCALES.equals(key)) {
+ try {
+ newPayload = mLocaleManagerInternal.getBackupPayload(mUserId);
+ } catch (Exception e) {
+ // Treat as no data
+ Slog.e(TAG, "Couldn't communicate with locale manager", e);
+ newPayload = null;
+ }
+ } else {
+ Slog.w(TAG, "Unexpected backup key " + key);
+ }
+ return newPayload;
+ }
+
+ @Override
+ protected void applyRestoredPayload(String key, byte[] payload) {
+ if (DEBUG) {
+ Slog.d(TAG, "Handling restore of " + key);
+ }
+
+ if (KEY_APP_LOCALES.equals(key)) {
+ try {
+ mLocaleManagerInternal.stageAndApplyRestoredPayload(payload, mUserId);
+ } catch (Exception e) {
+ Slog.e(TAG, "Couldn't communicate with locale manager", e);
+ }
+ } else {
+ Slog.w(TAG, "Unexpected restore key " + key);
+ }
+ }
+
+}
diff --git a/services/core/java/com/android/server/backup/SystemBackupAgent.java b/services/core/java/com/android/server/backup/SystemBackupAgent.java
index fa18204..d39d2d1 100644
--- a/services/core/java/com/android/server/backup/SystemBackupAgent.java
+++ b/services/core/java/com/android/server/backup/SystemBackupAgent.java
@@ -57,6 +57,7 @@
private static final String ACCOUNT_MANAGER_HELPER = "account_manager";
private static final String SLICES_HELPER = "slices";
private static final String PEOPLE_HELPER = "people";
+ private static final String APP_LOCALES_HELPER = "app_locales";
// These paths must match what the WallpaperManagerService uses. The leaf *_FILENAME
// are also used in the full-backup file format, so must not change unless steps are
@@ -83,7 +84,7 @@
private static final String WALLPAPER_IMAGE_KEY = WallpaperBackupHelper.WALLPAPER_IMAGE_KEY;
private static final Set<String> sEligibleForMultiUser = Sets.newArraySet(
- PERMISSION_HELPER, NOTIFICATION_HELPER, SYNC_SETTINGS_HELPER);
+ PERMISSION_HELPER, NOTIFICATION_HELPER, SYNC_SETTINGS_HELPER, APP_LOCALES_HELPER);
private int mUserId = UserHandle.USER_SYSTEM;
@@ -102,6 +103,7 @@
addHelper(ACCOUNT_MANAGER_HELPER, new AccountManagerBackupHelper());
addHelper(SLICES_HELPER, new SliceBackupHelper(this));
addHelper(PEOPLE_HELPER, new PeopleBackupHelper(mUserId));
+ addHelper(APP_LOCALES_HELPER, new AppSpecificLocalesBackupHelper(mUserId));
}
@Override