1 /* 2 * Copyright (C) 2006 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.content; 18 19 import android.annotation.Nullable; 20 import android.annotation.UnsupportedAppUsage; 21 import android.content.res.AssetFileDescriptor; 22 import android.database.Cursor; 23 import android.net.Uri; 24 import android.os.Build; 25 import android.os.Bundle; 26 import android.os.IBinder; 27 import android.os.ICancellationSignal; 28 import android.os.IInterface; 29 import android.os.ParcelFileDescriptor; 30 import android.os.RemoteException; 31 32 import java.io.FileNotFoundException; 33 import java.util.ArrayList; 34 35 /** 36 * The ipc interface to talk to a content provider. 37 * @hide 38 */ 39 public interface IContentProvider extends IInterface { 40 public Cursor query(String callingPkg, Uri url, @Nullable String[] projection, 41 @Nullable Bundle queryArgs, @Nullable ICancellationSignal cancellationSignal) 42 throws RemoteException; 43 public String getType(Uri url) throws RemoteException; 44 @UnsupportedAppUsage 45 public Uri insert(String callingPkg, Uri url, ContentValues initialValues) 46 throws RemoteException; 47 @UnsupportedAppUsage 48 public int bulkInsert(String callingPkg, Uri url, ContentValues[] initialValues) 49 throws RemoteException; 50 @UnsupportedAppUsage 51 public int delete(String callingPkg, Uri url, String selection, String[] selectionArgs) 52 throws RemoteException; 53 @UnsupportedAppUsage 54 public int update(String callingPkg, Uri url, ContentValues values, String selection, 55 String[] selectionArgs) throws RemoteException; 56 public ParcelFileDescriptor openFile( 57 String callingPkg, Uri url, String mode, ICancellationSignal signal, 58 IBinder callerToken) 59 throws RemoteException, FileNotFoundException; 60 public AssetFileDescriptor openAssetFile( 61 String callingPkg, Uri url, String mode, ICancellationSignal signal) 62 throws RemoteException, FileNotFoundException; 63 64 @Deprecated 65 public default ContentProviderResult[] applyBatch(String callingPkg, 66 ArrayList<ContentProviderOperation> operations) 67 throws RemoteException, OperationApplicationException { 68 return applyBatch(callingPkg, "unknown", operations); 69 } 70 71 public ContentProviderResult[] applyBatch(String callingPkg, String authority, 72 ArrayList<ContentProviderOperation> operations) 73 throws RemoteException, OperationApplicationException; 74 75 @Deprecated 76 @UnsupportedAppUsage 77 public default Bundle call(String callingPkg, String method, 78 @Nullable String arg, @Nullable Bundle extras) throws RemoteException { 79 return call(callingPkg, "unknown", method, arg, extras); 80 } 81 82 public Bundle call(String callingPkg, String authority, String method, 83 @Nullable String arg, @Nullable Bundle extras) throws RemoteException; 84 85 public ICancellationSignal createCancellationSignal() throws RemoteException; 86 87 public Uri canonicalize(String callingPkg, Uri uri) throws RemoteException; 88 public Uri uncanonicalize(String callingPkg, Uri uri) throws RemoteException; 89 90 public boolean refresh(String callingPkg, Uri url, @Nullable Bundle args, 91 ICancellationSignal cancellationSignal) throws RemoteException; 92 93 // Data interchange. 94 public String[] getStreamTypes(Uri url, String mimeTypeFilter) throws RemoteException; 95 public AssetFileDescriptor openTypedAssetFile(String callingPkg, Uri url, String mimeType, 96 Bundle opts, ICancellationSignal signal) throws RemoteException, FileNotFoundException; 97 98 /* IPC constants */ 99 @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.P, trackingBug = 115609023) 100 static final String descriptor = "android.content.IContentProvider"; 101 102 @UnsupportedAppUsage 103 static final int QUERY_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION; 104 static final int GET_TYPE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 1; 105 static final int INSERT_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 2; 106 static final int DELETE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 3; 107 static final int UPDATE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 9; 108 static final int BULK_INSERT_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 12; 109 static final int OPEN_FILE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 13; 110 static final int OPEN_ASSET_FILE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 14; 111 static final int APPLY_BATCH_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 19; 112 static final int CALL_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 20; 113 static final int GET_STREAM_TYPES_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 21; 114 static final int OPEN_TYPED_ASSET_FILE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 22; 115 static final int CREATE_CANCELATION_SIGNAL_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 23; 116 static final int CANONICALIZE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 24; 117 static final int UNCANONICALIZE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 25; 118 static final int REFRESH_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 26; 119 } 120
