content: /*
   * Copyright (C) 2006 The Android Open Source Project
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package android.content;
  
  import android.annotation.Nullable;
  import android.annotation.UnsupportedAppUsage;
  import android.content.res.AssetFileDescriptor;
  import android.database.Cursor;
  import android.net.Uri;
  import android.os.Build;
  import android.os.Bundle;
  import android.os.IBinder;
  import android.os.ICancellationSignal;
  import android.os.IInterface;
  import android.os.ParcelFileDescriptor;
  import android.os.RemoteException;
  
  import java.io.FileNotFoundException;
  import java.util.ArrayList;
  
  /**
   * The ipc interface to talk to a content provider.
   * @hide
   */
  public interface IContentProvider extends IInterface {
      public Cursor query(String callingPkg, Uri url, @Nullable String[] projection,
              @Nullable Bundle queryArgs, @Nullable ICancellationSignal cancellationSignal)
              throws RemoteException;
      public String getType(Uri url) throws RemoteException;
      @UnsupportedAppUsage
      public Uri insert(String callingPkg, Uri url, ContentValues initialValues)
              throws RemoteException;
      @UnsupportedAppUsage
      public int bulkInsert(String callingPkg, Uri url, ContentValues[] initialValues)
              throws RemoteException;
      @UnsupportedAppUsage
      public int delete(String callingPkg, Uri url, String selection, String[] selectionArgs)
              throws RemoteException;
      @UnsupportedAppUsage
      public int update(String callingPkg, Uri url, ContentValues values, String selection,
              String[] selectionArgs) throws RemoteException;
      public ParcelFileDescriptor openFile(
              String callingPkg, Uri url, String mode, ICancellationSignal signal,
              IBinder callerToken)
              throws RemoteException, FileNotFoundException;
      public AssetFileDescriptor openAssetFile(
              String callingPkg, Uri url, String mode, ICancellationSignal signal)
              throws RemoteException, FileNotFoundException;
  
      @Deprecated
      public default ContentProviderResult[] applyBatch(String callingPkg,
              ArrayList<ContentProviderOperation> operations)
                      throws RemoteException, OperationApplicationException {
          return applyBatch(callingPkg, "unknown", operations);
      }
  
      public ContentProviderResult[] applyBatch(String callingPkg, String authority,
              ArrayList<ContentProviderOperation> operations)
              throws RemoteException, OperationApplicationException;
  
      @Deprecated
      @UnsupportedAppUsage
      public default Bundle call(String callingPkg, String method,
              @Nullable String arg, @Nullable Bundle extras) throws RemoteException {
          return call(callingPkg, "unknown", method, arg, extras);
      }
  
      public Bundle call(String callingPkg, String authority, String method,
              @Nullable String arg, @Nullable Bundle extras) throws RemoteException;
  
      public ICancellationSignal createCancellationSignal() throws RemoteException;
  
      public Uri canonicalize(String callingPkg, Uri uri) throws RemoteException;
      public Uri uncanonicalize(String callingPkg, Uri uri) throws RemoteException;
  
      public boolean refresh(String callingPkg, Uri url, @Nullable Bundle args,
              ICancellationSignal cancellationSignal) throws RemoteException;
  
      // Data interchange.
      public String[] getStreamTypes(Uri url, String mimeTypeFilter) throws RemoteException;
      public AssetFileDescriptor openTypedAssetFile(String callingPkg, Uri url, String mimeType,
              Bundle opts, ICancellationSignal signal) throws RemoteException, FileNotFoundException;
  
      /* IPC constants */
      @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.P, trackingBug = 115609023)
      static final String descriptor = "android.content.IContentProvider";
  
      @UnsupportedAppUsage
      static final int QUERY_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION;
      static final int GET_TYPE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 1;
      static final int INSERT_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 2;
      static final int DELETE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 3;
      static final int UPDATE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 9;
      static final int BULK_INSERT_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 12;
      static final int OPEN_FILE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 13;
      static final int OPEN_ASSET_FILE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 14;
      static final int APPLY_BATCH_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 19;
      static final int CALL_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 20;
      static final int GET_STREAM_TYPES_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 21;
      static final int OPEN_TYPED_ASSET_FILE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 22;
      static final int CREATE_CANCELATION_SIGNAL_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 23;
      static final int CANONICALIZE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 24;
      static final int UNCANONICALIZE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 25;
      static final int REFRESH_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 26;
  }
  