Merge "Add app-locales backup helper to SystemBackupAgent." (6560e43b) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/backup/AppSpecificLocalesBackupHelper.java

0 → 100644

+90 −0

Original line number	Diff line number	Diff line
		/*
		* 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);
		}
		}

		}

services/core/java/com/android/server/backup/SystemBackupAgent.java

+3 −1

Original line number	Diff line number	Diff line
		@@ -57,6 +57,7 @@ public class SystemBackupAgent extends BackupAgentHelper {
		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 @@ public class SystemBackupAgent extends BackupAgentHelper {
		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 @@ public class SystemBackupAgent extends BackupAgentHelper {
		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