1 /*
2  * Copyright (C) 2022 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.adservices.service.measurement.registration;
18 
19 import android.content.ContentProvider;
20 import android.content.ContentValues;
21 import android.database.Cursor;
22 import android.net.Uri;
23 
24 import com.android.modules.utils.build.SdkLevel;
25 
26 /** ContentProvider for monitoring changes to {@link AsyncRegistration}. */
27 public class AsyncRegistrationContentProvider extends ContentProvider {
28     public static final String AUTHORITY =
29             SdkLevel.isAtLeastT()
30                     ? "com.android.adservices.provider.asyncregistration"
31                     : "com.android.ext.adservices.provider.asyncregistration";
32     public static final Uri TRIGGER_URI = Uri.parse("content://" + AUTHORITY);
33 
34     @Override
onCreate()35     public boolean onCreate() {
36         return true;
37     }
38 
39     @Override
query( Uri uri, String[] projection, String selection, String[] selectionArgs, String sortOrder)40     public Cursor query(
41             Uri uri,
42             String[] projection,
43             String selection,
44             String[] selectionArgs,
45             String sortOrder) {
46         throw new UnsupportedOperationException();
47     }
48 
49     @Override
getType(Uri uri)50     public String getType(Uri uri) {
51         throw new UnsupportedOperationException();
52     }
53 
54     @Override
insert(Uri uri, ContentValues values)55     public Uri insert(Uri uri, ContentValues values) {
56         // 1) Call ContentProvider after insert in DAO
57         // Sample Code:
58         // ContentProviderClient contentProviderClient = ctx.getContentResolver()
59         //        .acquireContentProviderClient(AsyncRegistrationContentProvider.TRIGGER_URI)
60         //        .insert(TRIGGER_URI, null);
61         // 2) Call ContentProvider for inserting during registration and call DAO from here.
62         // Sample Code:
63         // MeasurementDAO.getInstance(getContext()).insertAsyncRegistration(asyncReg);
64         getContext().getContentResolver().notifyChange(TRIGGER_URI, null);
65         return TRIGGER_URI;
66     }
67 
68     @Override
delete(Uri uri, String selection, String[] selectionArgs)69     public int delete(Uri uri, String selection, String[] selectionArgs) {
70         throw new UnsupportedOperationException();
71     }
72 
73     @Override
update(Uri uri, ContentValues values, String selection, String[] selectionArgs)74     public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
75         throw new UnsupportedOperationException();
76     }
77 }
78