1 /* 2 * Copyright (C) 2024 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 com.android.ondevicepersonalization.services.data.user; 18 19 import android.adservices.common.AdServicesCommonManager; 20 import android.adservices.common.AdServicesCommonStates; 21 import android.adservices.common.AdServicesCommonStatesResponse; 22 import android.adservices.common.AdServicesOutcomeReceiver; 23 import android.annotation.NonNull; 24 import android.content.Context; 25 import android.os.Binder; 26 27 import androidx.concurrent.futures.CallbackToFutureAdapter; 28 29 import com.android.ondevicepersonalization.internal.util.LoggerFactory; 30 import com.android.ondevicepersonalization.services.FlagsFactory; 31 import com.android.ondevicepersonalization.services.OnDevicePersonalizationExecutors; 32 33 import com.google.common.util.concurrent.FluentFuture; 34 import com.google.common.util.concurrent.Futures; 35 import com.google.common.util.concurrent.ListenableFuture; 36 import com.google.common.util.concurrent.MoreExecutors; 37 38 import java.util.Objects; 39 import java.util.concurrent.TimeUnit; 40 41 /** 42 * A wrapper for the AdServicesCommonStates API. Used by UserPrivacyStatus to 43 * fetch common states from AdServices. 44 */ 45 class AdServicesCommonStatesWrapperImpl implements AdServicesCommonStatesWrapper { 46 private static final String TAG = AdServicesCommonStatesWrapperImpl.class.getSimpleName(); 47 private static final LoggerFactory.Logger sLogger = LoggerFactory.getLogger(); 48 private final Context mContext; 49 AdServicesCommonStatesWrapperImpl(Context context)50 AdServicesCommonStatesWrapperImpl(Context context) { 51 mContext = Objects.requireNonNull(context); 52 } 53 getCommonStates()54 @Override public ListenableFuture<CommonStatesResult> getCommonStates() { 55 try { 56 AdServicesCommonManager manager = getAdServicesCommonManager(); 57 if (manager == null) { 58 throw new NullAdServiceCommonManagerException(); 59 } 60 sLogger.d(TAG + ": IPC getAdServicesCommonStates() started"); 61 long origId = Binder.clearCallingIdentity(); 62 long timeoutInMillis = FlagsFactory.getFlags().getAdservicesIpcCallTimeoutInMillis(); 63 Binder.restoreCallingIdentity(origId); 64 ListenableFuture<AdServicesCommonStatesResponse> futureWithTimeout = 65 Futures.withTimeout( 66 getAdServicesResponse(manager), 67 timeoutInMillis, 68 TimeUnit.MILLISECONDS, 69 OnDevicePersonalizationExecutors.getScheduledExecutor()); 70 71 return FluentFuture.from(futureWithTimeout) 72 .transform( 73 v -> getResultFromResponse(v), 74 MoreExecutors.newDirectExecutorService()); 75 } catch (Throwable e) { 76 return Futures.immediateFailedFuture(e); 77 } 78 } 79 getAdServicesCommonManager()80 private AdServicesCommonManager getAdServicesCommonManager() throws NoClassDefFoundError { 81 return mContext.getSystemService(AdServicesCommonManager.class); 82 } 83 getResultFromResponse( AdServicesCommonStatesResponse response)84 private static CommonStatesResult getResultFromResponse( 85 AdServicesCommonStatesResponse response) { 86 AdServicesCommonStates commonStates = response.getAdServicesCommonStates(); 87 return new CommonStatesResult( 88 commonStates.getPaState(), commonStates.getMeasurementState()); 89 } 90 getAdServicesResponse( @onNull AdServicesCommonManager adServicesCommonManager)91 private ListenableFuture<AdServicesCommonStatesResponse> getAdServicesResponse( 92 @NonNull AdServicesCommonManager adServicesCommonManager) { 93 return CallbackToFutureAdapter.getFuture( 94 completer -> { 95 adServicesCommonManager.getAdservicesCommonStates( 96 OnDevicePersonalizationExecutors.getBackgroundExecutor(), 97 new AdServicesOutcomeReceiver<AdServicesCommonStatesResponse, 98 Exception>() { 99 @Override 100 public void onResult(AdServicesCommonStatesResponse result) { 101 sLogger.d( 102 TAG + ": IPC getAdServicesCommonStates() success"); 103 completer.set(result); 104 } 105 106 @Override 107 public void onError(Exception error) { 108 sLogger.e(error, 109 TAG + ": IPC getAdServicesCommonStates() error"); 110 completer.setException(error); 111 } 112 }); 113 // For debugging purpose only. 114 return "getAdServicesCommonStates"; 115 } 116 ); 117 } 118 } 119