1 /* 2 * Copyright (C) 2017 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 21 import java.util.List; 22 import java.util.concurrent.Executor; 23 24 /** @hide */ 25 public class InternalDownloadSessionCallback extends IMbmsDownloadSessionCallback.Stub { 26 27 private final Executor mExecutor; 28 private final MbmsDownloadSessionCallback mAppCallback; 29 private volatile boolean mIsStopped = false; 30 InternalDownloadSessionCallback(MbmsDownloadSessionCallback appCallback, Executor executor)31 public InternalDownloadSessionCallback(MbmsDownloadSessionCallback appCallback, 32 Executor executor) { 33 mAppCallback = appCallback; 34 mExecutor = executor; 35 } 36 37 @Override onError(final int errorCode, final String message)38 public void onError(final int errorCode, final String message) { 39 if (mIsStopped) { 40 return; 41 } 42 43 final long token = Binder.clearCallingIdentity(); 44 try { 45 mExecutor.execute(new Runnable() { 46 @Override 47 public void run() { 48 mAppCallback.onError(errorCode, message); 49 } 50 }); 51 } finally { 52 Binder.restoreCallingIdentity(token); 53 } 54 } 55 56 @Override onFileServicesUpdated(final List<FileServiceInfo> services)57 public void onFileServicesUpdated(final List<FileServiceInfo> services) { 58 if (mIsStopped) { 59 return; 60 } 61 62 final long token = Binder.clearCallingIdentity(); 63 try { 64 mExecutor.execute(new Runnable() { 65 @Override 66 public void run() { 67 mAppCallback.onFileServicesUpdated(services); 68 } 69 }); 70 } finally { 71 Binder.restoreCallingIdentity(token); 72 } 73 } 74 75 @Override onMiddlewareReady()76 public void onMiddlewareReady() { 77 if (mIsStopped) { 78 return; 79 } 80 81 final long token = Binder.clearCallingIdentity(); 82 try { 83 mExecutor.execute(new Runnable() { 84 @Override 85 public void run() { 86 mAppCallback.onMiddlewareReady(); 87 } 88 }); 89 } finally { 90 Binder.restoreCallingIdentity(token); 91 } 92 } 93 stop()94 public void stop() { 95 mIsStopped = true; 96 } 97 } 98