131 lines
4.3 KiB
Java
131 lines
4.3 KiB
Java
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* 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
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.server.backup;
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import android.annotation.StringDef;
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import android.annotation.UserIdInt;
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import android.app.AppGlobals;
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import android.app.backup.BlobBackupHelper;
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import android.content.pm.IPackageManager;
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import android.content.pm.verify.domain.DomainVerificationManager;
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import android.util.Slog;
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public class PreferredActivityBackupHelper extends BlobBackupHelper {
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private static final String TAG = "PreferredBackup";
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private static final boolean DEBUG = false;
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// current schema of the backup state blob
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private static final int STATE_VERSION = 4;
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// key under which the preferred-activity state blob is committed to backup
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private static final String KEY_PREFERRED = "preferred-activity";
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// key for default-browser [etc] state
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private static final String KEY_DEFAULT_APPS = "default-apps";
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/**
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* Intent-filter verification state
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* @deprecated Replaced by {@link #KEY_DOMAIN_VERIFICATION}, retained to ensure the key is
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* never reused.
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*/
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@Deprecated
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private static final String KEY_INTENT_VERIFICATION = "intent-verification";
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/**
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* State for {@link DomainVerificationManager}.
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*/
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private static final String KEY_DOMAIN_VERIFICATION = "domain-verification";
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private static final String[] KEYS = new String[] {
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KEY_PREFERRED,
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KEY_DEFAULT_APPS,
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KEY_INTENT_VERIFICATION,
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KEY_DOMAIN_VERIFICATION
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};
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@StringDef(value = {
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KEY_PREFERRED,
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KEY_DEFAULT_APPS,
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KEY_INTENT_VERIFICATION,
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KEY_DOMAIN_VERIFICATION
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})
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private @interface Key {
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}
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@UserIdInt
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private final int mUserId;
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public PreferredActivityBackupHelper(@UserIdInt int userId) {
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super(STATE_VERSION, KEYS);
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mUserId = userId;
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}
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@Override
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protected byte[] getBackupPayload(String key) {
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IPackageManager pm = AppGlobals.getPackageManager();
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if (DEBUG) {
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Slog.d(TAG, "Handling backup of " + key);
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}
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try {
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switch (key) {
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case KEY_PREFERRED:
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return pm.getPreferredActivityBackup(mUserId);
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case KEY_DEFAULT_APPS:
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return pm.getDefaultAppsBackup(mUserId);
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case KEY_INTENT_VERIFICATION:
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// Deprecated
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return null;
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case KEY_DOMAIN_VERIFICATION:
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return pm.getDomainVerificationBackup(mUserId);
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default:
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Slog.w(TAG, "Unexpected backup key " + key);
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}
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} catch (Exception e) {
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Slog.e(TAG, "Unable to store payload " + key, e);
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}
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return null;
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}
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@Override
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protected void applyRestoredPayload(@Key String key, byte[] payload) {
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IPackageManager pm = AppGlobals.getPackageManager();
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if (DEBUG) {
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Slog.d(TAG, "Handling restore of " + key);
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}
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try {
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switch (key) {
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case KEY_PREFERRED:
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pm.restorePreferredActivities(payload, mUserId);
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break;
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case KEY_DEFAULT_APPS:
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pm.restoreDefaultApps(payload, mUserId);
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break;
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case KEY_INTENT_VERIFICATION:
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// Deprecated
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break;
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case KEY_DOMAIN_VERIFICATION:
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pm.restoreDomainVerification(payload, mUserId);
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break;
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default:
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Slog.w(TAG, "Unexpected restore key " + key);
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}
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} catch (Exception e) {
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Slog.e(TAG, "Unable to restore key " + key, e);
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}
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}
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}
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