bridge/src/com/android/layoutlib/bridge/android/BridgeContentProvider.java

/*
 * Copyright (C) 2010 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 com.android.layoutlib.bridge.android;

import android.content.AttributionSource;
import android.content.ContentProviderOperation;
import android.content.ContentProviderResult;
import android.content.ContentResolver;
import android.content.ContentValues;
import android.content.IContentProvider;
import android.content.OperationApplicationException;
import android.content.pm.PackageManager;
import android.content.res.AssetFileDescriptor;
import android.database.Cursor;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.IBinder;
import android.os.ICancellationSignal;
import android.os.ParcelFileDescriptor;
import android.os.RemoteCallback;
import android.os.RemoteException;

import java.io.FileNotFoundException;
import java.util.ArrayList;

/**
 * Mock implementation of {@link IContentProvider}.
 *
 * TODO: never return null when the method is not supposed to. Return fake data instead.
 */
public final class BridgeContentProvider implements IContentProvider {
    @Override
    public ContentProviderResult[] applyBatch(AttributionSource attributionSource,
            String authority, ArrayList<ContentProviderOperation> arg0)
            throws RemoteException, OperationApplicationException {
        // TODO Auto-generated method stub
        return null;
    }

    @Override
    public int bulkInsert(AttributionSource attributionSource, Uri arg0,
            ContentValues[] arg1) throws RemoteException {
        // TODO Auto-generated method stub
        return 0;
    }

    @Override
    public Bundle call(AttributionSource attributionSource, String authority,
            String arg0, String arg1, Bundle arg2) throws RemoteException {
        // TODO Auto-generated method stub
        return null;
    }

    @Override
    public int delete(AttributionSource attributionSource, Uri arg0, Bundle arg1)
            throws RemoteException {
        // TODO Auto-generated method stub
        return 0;
    }

    @Override
    public String getType(Uri arg0) throws RemoteException {
        // TODO Auto-generated method stub
        return null;
    }

    @SuppressWarnings("deprecation")
    @Override
    public void getTypeAsync(Uri uri, RemoteCallback remoteCallback) {
        AsyncTask.SERIAL_EXECUTOR.execute(() -> {
            try {
                final Bundle bundle = new Bundle();
                bundle.putString(ContentResolver.REMOTE_CALLBACK_RESULT, getType(uri));
                remoteCallback.sendResult(bundle);
            } catch (RemoteException e) {
              // Ignore
            }
        });
    }

    @Override
    public Uri insert(AttributionSource attributionSource, Uri arg0, ContentValues arg1,
            Bundle arg2) throws RemoteException {
        // TODO Auto-generated method stub
        return null;
    }

    @Override
    public AssetFileDescriptor openAssetFile(AttributionSource attributionSource,
            Uri arg0, String arg1, ICancellationSignal signal)
            throws RemoteException, FileNotFoundException {
        // TODO Auto-generated method stub
        return null;
    }

    @Override
    public ParcelFileDescriptor openFile(AttributionSource attributionSource, Uri arg0,
            String arg1, ICancellationSignal signal)
            throws RemoteException, FileNotFoundException {
        // TODO Auto-generated method stub
        return null;
    }

    @Override
    public Cursor query(AttributionSource attributionSource, Uri arg0, String[] arg1,
            Bundle arg3, ICancellationSignal arg4) throws RemoteException {
        // TODO Auto-generated method stub
        return null;
    }

    @Override
    public int update(AttributionSource attributionSource, Uri arg0, ContentValues arg1,
            Bundle arg2) throws RemoteException {
        // TODO Auto-generated method stub
        return 0;
    }

    @Override
    public IBinder asBinder() {
        // TODO Auto-generated method stub
        return null;
    }

    @Override
    public String[] getStreamTypes(Uri arg0, String arg1) throws RemoteException {
        // TODO Auto-generated method stub
        return null;
    }

    @Override
    public AssetFileDescriptor openTypedAssetFile(AttributionSource attributionSource,
            Uri arg0, String arg1, Bundle arg2, ICancellationSignal signal)
            throws RemoteException, FileNotFoundException {
        // TODO Auto-generated method stub
        return null;
    }

    @Override
    public ICancellationSignal createCancellationSignal() throws RemoteException {
        // TODO Auto-generated method stub
        return null;
    }


    @Override
    public Uri canonicalize(AttributionSource attributionSource, Uri uri)
            throws RemoteException {
        return null;
    }

    @SuppressWarnings("deprecation")
    @Override
    public void canonicalizeAsync(AttributionSource attributionSource, Uri uri,
            RemoteCallback remoteCallback) {
        AsyncTask.SERIAL_EXECUTOR.execute(() -> {
            try {
                final Bundle bundle = new Bundle();
                bundle.putParcelable(ContentResolver.REMOTE_CALLBACK_RESULT,
                        canonicalize(attributionSource, uri));
                remoteCallback.sendResult(bundle);
            } catch (RemoteException e) {
              // Ignore
            }
        });
    }

    @Override
    public Uri uncanonicalize(AttributionSource attributionSource, Uri uri)
            throws RemoteException {
        return null;
    }

    @SuppressWarnings("deprecation")
    @Override
    public void uncanonicalizeAsync(AttributionSource attributionSource, Uri uri,
            RemoteCallback remoteCallback) {
        AsyncTask.SERIAL_EXECUTOR.execute(() -> {
            try {
                final Bundle bundle = new Bundle();
                bundle.putParcelable(ContentResolver.REMOTE_CALLBACK_RESULT,
                        uncanonicalize(attributionSource, uri));
                remoteCallback.sendResult(bundle);
            } catch (RemoteException e) {
              // Ignore
            }
        });
    }

    @Override
    public boolean refresh(AttributionSource attributionSource, Uri url, Bundle args,
            ICancellationSignal cancellationSignal) throws RemoteException {
        return false;
    }

    @Override
    public int checkUriPermission(AttributionSource attributionSource, Uri uri, int uid,
            int modeFlags) throws RemoteException {
        return PackageManager.PERMISSION_DENIED;
    }
}