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.content.res.AssetFileDescriptor; 20 import android.database.Cursor; 21 import android.net.Uri; 22 import android.os.Bundle; 23 import android.os.IBinder; 24 import android.os.ICancellationSignal; 25 import android.os.IInterface; 26 import android.os.ParcelFileDescriptor; 27 import android.os.RemoteException; 28 29 import java.io.FileNotFoundException; 30 import java.util.ArrayList; 31 32 /** 33 * The ipc interface to talk to a content provider. 34 * @hide 35 */ 36 public interface IContentProvider extends IInterface { 37 public Cursor query(String callingPkg, Uri url, String[] projection, String selection, 38 String[] selectionArgs, String sortOrder, ICancellationSignal cancellationSignal) 39 throws RemoteException; 40 public String getType(Uri url) throws RemoteException; 41 public Uri insert(String callingPkg, Uri url, ContentValues initialValues) 42 throws RemoteException; 43 public int bulkInsert(String callingPkg, Uri url, ContentValues[] initialValues) 44 throws RemoteException; 45 public int delete(String callingPkg, Uri url, String selection, String[] selectionArgs) 46 throws RemoteException; 47 public int update(String callingPkg, Uri url, ContentValues values, String selection, 48 String[] selectionArgs) throws RemoteException; 49 public ParcelFileDescriptor openFile(String callingPkg, Uri url, String mode) 50 throws RemoteException, FileNotFoundException; 51 public AssetFileDescriptor openAssetFile(String callingPkg, Uri url, String mode) 52 throws RemoteException, FileNotFoundException; 53 public ContentProviderResult[] applyBatch(String callingPkg, 54 ArrayList<ContentProviderOperation> operations) 55 throws RemoteException, OperationApplicationException; 56 public Bundle call(String callingPkg, String method, String arg, Bundle extras) 57 throws RemoteException; 58 public ICancellationSignal createCancellationSignal() throws RemoteException; 59 60 // Data interchange. 61 public String[] getStreamTypes(Uri url, String mimeTypeFilter) throws RemoteException; 62 public AssetFileDescriptor openTypedAssetFile(String callingPkg, Uri url, String mimeType, 63 Bundle opts) throws RemoteException, FileNotFoundException; 64 65 /* IPC constants */ 66 static final String descriptor = "android.content.IContentProvider"; 67 68 static final int QUERY_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION; 69 static final int GET_TYPE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 1; 70 static final int INSERT_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 2; 71 static final int DELETE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 3; 72 static final int UPDATE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 9; 73 static final int BULK_INSERT_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 12; 74 static final int OPEN_FILE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 13; 75 static final int OPEN_ASSET_FILE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 14; 76 static final int APPLY_BATCH_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 19; 77 static final int CALL_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 20; 78 static final int GET_STREAM_TYPES_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 21; 79 static final int OPEN_TYPED_ASSET_FILE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 22; 80 static final int CREATE_CANCELATION_SIGNAL_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 23; 81 } 82
