content: /*
   * Copyright (C) 2016 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.app.backup.BlobBackupHelper;
  import android.content.Context;
  import android.content.pm.IShortcutService;
  import android.os.ServiceManager;
  import android.os.UserHandle;
  import android.util.Slog;
  
  public class ShortcutBackupHelper extends BlobBackupHelper {
      private static final String TAG = "ShortcutBackupAgent";
      private static final int BLOB_VERSION = 1;
  
      private static final String KEY_USER_FILE = "shortcutuser.xml";
  
      public ShortcutBackupHelper() {
          super(BLOB_VERSION, KEY_USER_FILE);
      }
  
      private IShortcutService getShortcutService() {
          return IShortcutService.Stub.asInterface(
                  ServiceManager.getService(Context.SHORTCUT_SERVICE));
      }
  
      @Override
      protected byte[] getBackupPayload(String key) {
          switch (key) {
              case KEY_USER_FILE:
                  try {
                      return getShortcutService().getBackupPayload(UserHandle.USER_SYSTEM);
                  } catch (Exception e) {
                      Slog.wtf(TAG, "Backup failed", e);
                  }
                  break;
              default:
                  Slog.w(TAG, "Unknown key: " + key);
          }
          return null;
      }
  
      @Override
      protected void applyRestoredPayload(String key, byte[] payload) {
          switch (key) {
              case KEY_USER_FILE:
                  try {
                      getShortcutService().applyRestore(payload, UserHandle.USER_SYSTEM);
                  } catch (Exception e) {
                      Slog.wtf(TAG, "Restore failed", e);
                  }
                  break;
              default:
                  Slog.w(TAG, "Unknown key: " + key);
          }
      }
  }
  