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      1 /*
      2  * Copyright (C) 2018 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License
     15  */
     16 
     17 package android.telephony.mbms;
     18 
     19 import android.os.Binder;
     20 import android.os.RemoteException;
     21 
     22 import java.util.concurrent.Executor;
     23 
     24 /**
     25  * @hide
     26  */
     27 public class InternalDownloadProgressListener extends IDownloadProgressListener.Stub {
     28     private final Executor mExecutor;
     29     private final DownloadProgressListener mAppListener;
     30     private volatile boolean mIsStopped = false;
     31 
     32     public InternalDownloadProgressListener(DownloadProgressListener appListener,
     33             Executor executor) {
     34         mAppListener = appListener;
     35         mExecutor = executor;
     36     }
     37 
     38     @Override
     39     public void onProgressUpdated(final DownloadRequest request, final FileInfo fileInfo,
     40             final int currentDownloadSize, final int fullDownloadSize, final int currentDecodedSize,
     41             final int fullDecodedSize) throws RemoteException {
     42         if (mIsStopped) {
     43             return;
     44         }
     45 
     46         mExecutor.execute(new Runnable() {
     47             @Override
     48             public void run() {
     49                 long token = Binder.clearCallingIdentity();
     50                 try {
     51                     mAppListener.onProgressUpdated(request, fileInfo, currentDownloadSize,
     52                             fullDownloadSize, currentDecodedSize, fullDecodedSize);
     53                 } finally {
     54                     Binder.restoreCallingIdentity(token);
     55                 }
     56             }
     57         });
     58     }
     59 
     60     public void stop() {
     61         mIsStopped = true;
     62     }
     63 }
     64