75 lines
2.6 KiB
Java
75 lines
2.6 KiB
Java
/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software distributed under the
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* License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the specific language governing
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* permissions and limitations under the License.
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*/
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package com.android.server.backup;
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import android.app.backup.BlobBackupHelper;
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import android.app.slice.ISliceManager;
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import android.content.Context;
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import android.os.ServiceManager;
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import android.os.UserHandle;
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import android.util.Log;
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import android.util.Slog;
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public class SliceBackupHelper extends BlobBackupHelper {
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static final String TAG = "SliceBackupHelper";
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static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG);
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// Current version of the blob schema
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static final int BLOB_VERSION = 1;
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// Key under which the payload blob is stored
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static final String KEY_SLICES = "slices";
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public SliceBackupHelper(Context context) {
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super(BLOB_VERSION, KEY_SLICES);
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// context is currently unused
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}
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@Override
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protected byte[] getBackupPayload(String key) {
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byte[] newPayload = null;
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if (KEY_SLICES.equals(key)) {
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try {
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ISliceManager sm = ISliceManager.Stub.asInterface(
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ServiceManager.getService(Context.SLICE_SERVICE));
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// TODO: http://b/22388012
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newPayload = sm.getBackupPayload(UserHandle.USER_SYSTEM);
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} catch (Exception e) {
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// Treat as no data
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Slog.e(TAG, "Couldn't communicate with slice manager", e);
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newPayload = null;
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}
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}
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return newPayload;
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}
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@Override
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protected void applyRestoredPayload(String key, byte[] payload) {
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if (DEBUG) Slog.v(TAG, "Got restore of " + key);
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if (KEY_SLICES.equals(key)) {
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try {
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ISliceManager sm = ISliceManager.Stub.asInterface(
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ServiceManager.getService(Context.SLICE_SERVICE));
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// TODO: http://b/22388012
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sm.applyRestore(payload, UserHandle.USER_SYSTEM);
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} catch (Exception e) {
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Slog.e(TAG, "Couldn't communicate with slice manager", e);
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}
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}
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}
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}
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