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.annotation.Nullable;
  import android.content.Context;
  import android.telephony.MbmsStreamingSession;
  
  import java.lang.annotation.Retention;
  import java.lang.annotation.RetentionPolicy;
  import java.util.List;
  import java.util.concurrent.Executor;
  
  /**
   * A callback class that is used to receive information from the middleware on MBMS streaming
   * services. An instance of this object should be passed into
   * {@link MbmsStreamingSession#create(Context, Executor, int, MbmsStreamingSessionCallback)}.
   */
  public class MbmsStreamingSessionCallback {
      /** @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.StreamingErrors.ERROR_CONCURRENT_SERVICE_LIMIT_REACHED,
              MbmsErrors.StreamingErrors.ERROR_UNABLE_TO_START_SERVICE,
              MbmsErrors.StreamingErrors.ERROR_DUPLICATE_START_STREAM}, prefix = { "ERROR_" })
      private @interface StreamingError{}
  
      /**
       * Called by the middleware when it has detected an error condition. The possible error codes
       * are listed in {@link MbmsErrors}.
       * @param errorCode The error code.
       * @param message A human-readable message generated by the middleware for debugging purposes.
       */
      public void onError(@StreamingError int errorCode, @Nullable String message) {
          // default implementation empty
      }
  
      /**
       * Called to indicate published Streaming Services have changed.
       *
       * This will only be called after the application has requested
       * a list of streaming services and specified a service class list
       * of interest AND the results of a subsequent getStreamServices
       * call with the same service class list would return different
       * results.
       *
       * @param services The list of available services.
       */
      public void onStreamingServicesUpdated(List<StreamingServiceInfo> 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 MbmsStreamingSession} will result in an {@link IllegalStateException} or an error
       * delivered via {@link #onError(int, String)} with error code
       * {@link MbmsErrors.GeneralErrors#ERROR_MIDDLEWARE_NOT_YET_READY}.
       */
      public void onMiddlewareReady() {
          // default implementation empty
      }
  }
  