| /* |
| * Copyright (C) 2015 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.dialer.blocking; |
| |
| import android.annotation.TargetApi; |
| import android.content.ContentResolver; |
| import android.content.ContentValues; |
| import android.content.Context; |
| import android.database.Cursor; |
| import android.os.AsyncTask; |
| import android.os.Build.VERSION_CODES; |
| import android.provider.BlockedNumberContract.BlockedNumbers; |
| import android.support.annotation.RequiresApi; |
| import com.android.dialer.common.LogUtil; |
| import com.android.dialer.database.FilteredNumberContract; |
| import com.android.dialer.database.FilteredNumberContract.FilteredNumber; |
| import com.android.dialer.database.FilteredNumberContract.FilteredNumberColumns; |
| import java.util.Objects; |
| |
| /** |
| * Class which should be used to migrate numbers from {@link FilteredNumberContract} blocking to |
| * {@link android.provider.BlockedNumberContract} blocking. |
| */ |
| @TargetApi(VERSION_CODES.M) |
| public class BlockedNumbersMigrator { |
| |
| private final Context context; |
| |
| /** |
| * Creates a new BlockedNumbersMigrate, using the given {@link ContentResolver} to perform queries |
| * against the blocked numbers tables. |
| */ |
| public BlockedNumbersMigrator(Context context) { |
| this.context = Objects.requireNonNull(context); |
| } |
| |
| @RequiresApi(VERSION_CODES.N) |
| @TargetApi(VERSION_CODES.N) |
| private static boolean migrateToNewBlockingInBackground(ContentResolver resolver) { |
| try (Cursor cursor = |
| resolver.query( |
| FilteredNumber.CONTENT_URI, |
| new String[] {FilteredNumberColumns.NUMBER}, |
| null, |
| null, |
| null)) { |
| if (cursor == null) { |
| LogUtil.i( |
| "BlockedNumbersMigrator.migrateToNewBlockingInBackground", "migrate - cursor was null"); |
| return false; |
| } |
| |
| LogUtil.i( |
| "BlockedNumbersMigrator.migrateToNewBlockingInBackground", |
| "migrate - attempting to migrate " + cursor.getCount() + "numbers"); |
| |
| int numMigrated = 0; |
| while (cursor.moveToNext()) { |
| String originalNumber = |
| cursor.getString(cursor.getColumnIndex(FilteredNumberColumns.NUMBER)); |
| if (isNumberInNewBlocking(resolver, originalNumber)) { |
| LogUtil.i( |
| "BlockedNumbersMigrator.migrateToNewBlockingInBackground", |
| "migrate - number was already blocked in new blocking"); |
| continue; |
| } |
| ContentValues values = new ContentValues(); |
| values.put(BlockedNumbers.COLUMN_ORIGINAL_NUMBER, originalNumber); |
| resolver.insert(BlockedNumbers.CONTENT_URI, values); |
| ++numMigrated; |
| } |
| LogUtil.i( |
| "BlockedNumbersMigrator.migrateToNewBlockingInBackground", |
| "migrate - migration complete. " + numMigrated + " numbers migrated."); |
| return true; |
| } |
| } |
| |
| @RequiresApi(VERSION_CODES.N) |
| @TargetApi(VERSION_CODES.N) |
| private static boolean isNumberInNewBlocking(ContentResolver resolver, String originalNumber) { |
| try (Cursor cursor = |
| resolver.query( |
| BlockedNumbers.CONTENT_URI, |
| new String[] {BlockedNumbers.COLUMN_ID}, |
| BlockedNumbers.COLUMN_ORIGINAL_NUMBER + " = ?", |
| new String[] {originalNumber}, |
| null)) { |
| return cursor != null && cursor.getCount() != 0; |
| } |
| } |
| |
| /** |
| * Copies all of the numbers in the {@link FilteredNumberContract} block list to the {@link |
| * android.provider.BlockedNumberContract} block list. |
| * |
| * @param listener {@link Listener} called once the migration is complete. |
| * @return {@code true} if the migrate can be attempted, {@code false} otherwise. |
| * @throws NullPointerException if listener is null |
| */ |
| public boolean migrate(final Listener listener) { |
| LogUtil.i("BlockedNumbersMigrator.migrate", "migrate - start"); |
| if (!FilteredNumberCompat.canUseNewFiltering()) { |
| LogUtil.i("BlockedNumbersMigrator.migrate", "migrate - can't use new filtering"); |
| return false; |
| } |
| Objects.requireNonNull(listener); |
| new MigratorTask(listener).execute(); |
| return true; |
| } |
| |
| /** |
| * Listener for the operation to migrate from {@link FilteredNumberContract} blocking to {@link |
| * android.provider.BlockedNumberContract} blocking. |
| */ |
| public interface Listener { |
| |
| /** Called when the migration operation is finished. */ |
| void onComplete(); |
| } |
| |
| @TargetApi(VERSION_CODES.N) |
| private class MigratorTask extends AsyncTask<Void, Void, Boolean> { |
| |
| private final Listener listener; |
| |
| public MigratorTask(Listener listener) { |
| this.listener = listener; |
| } |
| |
| @Override |
| protected Boolean doInBackground(Void... params) { |
| LogUtil.i("BlockedNumbersMigrator.doInBackground", "migrate - start background migration"); |
| return migrateToNewBlockingInBackground(context.getContentResolver()); |
| } |
| |
| @Override |
| protected void onPostExecute(Boolean isSuccessful) { |
| LogUtil.i("BlockedNumbersMigrator.onPostExecute", "migrate - marking migration complete"); |
| FilteredNumberCompat.setHasMigratedToNewBlocking(context, isSuccessful); |
| LogUtil.i("BlockedNumbersMigrator.onPostExecute", "migrate - calling listener"); |
| listener.onComplete(); |
| } |
| } |
| } |