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 android.telephony.mbms;
  
  import android.annotation.IntDef;
  import android.telephony.MbmsDownloadSession;
  
  import java.lang.annotation.Retention;
  import java.lang.annotation.RetentionPolicy;
  import java.util.List;
  
  /**
   * A callback class that apps should use to receive information on file downloads over
   * cell-broadcast.
   */
  public class MbmsDownloadSessionCallback {
      /** @hide */
      @Retention(RetentionPolicy.SOURCE)
      @IntDef(value = {
              MbmsErrors.ERROR_NO_UNIQUE_MIDDLEWARE,
              MbmsErrors.ERROR_MIDDLEWARE_LOST,
              MbmsErrors.ERROR_MIDDLEWARE_NOT_BOUND,
              MbmsErrors.InitializationErrors.ERROR_APP_PERMISSIONS_NOT_GRANTED,
              MbmsErrors.InitializationErrors.ERROR_DUPLICATE_INITIALIZE,
              MbmsErrors.InitializationErrors.ERROR_UNABLE_TO_INITIALIZE,
              MbmsErrors.GeneralErrors.ERROR_MIDDLEWARE_NOT_YET_READY,
              MbmsErrors.GeneralErrors.ERROR_OUT_OF_MEMORY,
              MbmsErrors.GeneralErrors.ERROR_MIDDLEWARE_TEMPORARILY_UNAVAILABLE,
              MbmsErrors.GeneralErrors.ERROR_IN_E911,
              MbmsErrors.GeneralErrors.ERROR_NOT_CONNECTED_TO_HOME_CARRIER_LTE,
              MbmsErrors.GeneralErrors.ERROR_UNABLE_TO_READ_SIM,
              MbmsErrors.GeneralErrors.ERROR_CARRIER_CHANGE_NOT_ALLOWED,
              MbmsErrors.DownloadErrors.ERROR_CANNOT_CHANGE_TEMP_FILE_ROOT,
              MbmsErrors.DownloadErrors.ERROR_UNKNOWN_DOWNLOAD_REQUEST,
              MbmsErrors.DownloadErrors.ERROR_UNKNOWN_FILE_INFO}, prefix = { "ERROR_" })
      private @interface DownloadError{}
  
      /**
       * Indicates that the middleware has encountered an asynchronous error.
       * @param errorCode Any error code listed in {@link MbmsErrors}
       * @param message A message, intended for debugging purposes, describing the error in further
       *                detail.
       */
      public void onError(@DownloadError int errorCode, String message) {
          // default implementation empty
      }
  
      /**
       * Called to indicate published File Services have changed.
       *
       * This will only be called after the application has requested a list of file services and
       * specified a service class list of interest via
       * {@link MbmsDownloadSession#requestUpdateFileServices(List)}. If there are subsequent calls to
       * {@link MbmsDownloadSession#requestUpdateFileServices(List)},
       * this method may not be called again if
       * the list of service classes would remain the same.
       *
       * @param services The most recently updated list of available file services.
       */
      public void onFileServicesUpdated(List<FileServiceInfo> services) {
          // default implementation empty
      }
  
      /**
       * Called to indicate that the middleware has been initialized and is ready.
       *
       * Before this method is called, calling any method on an instance of
       * {@link MbmsDownloadSession} will result in an {@link IllegalStateException}
       * being thrown or {@link #onError(int, String)} being called with error code
       * {@link MbmsErrors.GeneralErrors#ERROR_MIDDLEWARE_NOT_YET_READY}
       */
      public void onMiddlewareReady() {
          // default implementation empty
      }
  }
  