content: /*
   * Copyright (C) 2015 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.printservice;
  
  import android.annotation.NonNull;
  import android.annotation.Nullable;
  import android.graphics.drawable.Icon;
  import android.os.RemoteException;
  import android.print.PrinterId;
  import android.util.Log;
  
  
  /**
   * Callback for {@link PrinterDiscoverySession#onRequestCustomPrinterIcon}.
   */
  public final class CustomPrinterIconCallback {
      /** The printer the call back is for */
      private final @NonNull PrinterId mPrinterId;
      private final @NonNull IPrintServiceClient mObserver;
      private static final String LOG_TAG = "CustomPrinterIconCB";
  
      /**
       * Create a callback class to be used once a icon is loaded
       *
       * @param printerId The printer the icon should be loaded for
       * @param observer The observer that needs to be notified about the update.
       */
      CustomPrinterIconCallback(@NonNull PrinterId printerId, @NonNull IPrintServiceClient observer) {
          mPrinterId = printerId;
          mObserver = observer;
      }
  
      /**
       * Provide a new icon for a printer. Can be called more than once to update the icon.
       *
       * @param icon The new icon for the printer or null to unset the current icon
       * @return true iff the icon could be updated
       */
      public boolean onCustomPrinterIconLoaded(@Nullable Icon icon) {
          try {
              mObserver.onCustomPrinterIconLoaded(mPrinterId, icon);
          } catch (RemoteException e) {
              Log.e(LOG_TAG , "Could not update icon", e);
              return false;
          }
  
          return true;
      }
  }
  