| /* |
| * 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.filterednumber; |
| |
| import com.google.common.base.Preconditions; |
| |
| import android.content.ContentResolver; |
| import android.content.ContentValues; |
| import android.database.Cursor; |
| import android.os.AsyncTask; |
| |
| import com.android.dialer.compat.BlockedNumbersSdkCompat; |
| import com.android.dialer.compat.FilteredNumberCompat; |
| import com.android.dialer.database.FilteredNumberContract; |
| import com.android.dialer.database.FilteredNumberContract.FilteredNumber; |
| import com.android.dialer.database.FilteredNumberContract.FilteredNumberColumns; |
| import com.android.incallui.Log; |
| |
| /** |
| * Class which should be used to migrate numbers from {@link FilteredNumberContract} blocking to |
| * {@link android.provider.BlockedNumberContract} blocking. |
| */ |
| public class BlockedNumbersMigrator { |
| |
| private static final String TAG = "BlockedNumbersMigrator"; |
| |
| /** |
| * 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(); |
| } |
| |
| private final ContentResolver mContentResolver; |
| |
| /** |
| * Creates a new BlockedNumbersMigrate, using the given {@link ContentResolver} to perform |
| * queries against the blocked numbers tables. |
| * |
| * @param contentResolver The ContentResolver |
| * @throws NullPointerException if contentResolver is null |
| */ |
| public BlockedNumbersMigrator(ContentResolver contentResolver) { |
| mContentResolver = Preconditions.checkNotNull(contentResolver); |
| } |
| |
| /** |
| * 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) { |
| Log.i(TAG, "migrate - start"); |
| if (!FilteredNumberCompat.canUseNewFiltering()) { |
| Log.i(TAG, "migrate - can't use new filtering"); |
| return false; |
| } |
| Preconditions.checkNotNull(listener); |
| new AsyncTask<Void, Void, Boolean>() { |
| @Override |
| protected Boolean doInBackground(Void... params) { |
| Log.i(TAG, "migrate - start background migration"); |
| return migrateToNewBlockingInBackground(mContentResolver); |
| } |
| |
| @Override |
| protected void onPostExecute(Boolean isSuccessful) { |
| Log.i(TAG, "migrate - marking migration complete"); |
| FilteredNumberCompat.setHasMigratedToNewBlocking(isSuccessful); |
| Log.i(TAG, "migrate - calling listener"); |
| listener.onComplete(); |
| } |
| }.execute(); |
| return true; |
| } |
| |
| private static boolean migrateToNewBlockingInBackground(ContentResolver resolver) { |
| try (Cursor cursor = resolver.query(FilteredNumber.CONTENT_URI, |
| new String[]{FilteredNumberColumns.NUMBER}, null, null, null)) { |
| if (cursor == null) { |
| Log.i(TAG, "migrate - cursor was null"); |
| return false; |
| } |
| |
| Log.i(TAG, "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)) { |
| Log.i(TAG, "migrate - number was already blocked in new blocking"); |
| continue; |
| } |
| ContentValues values = new ContentValues(); |
| values.put(BlockedNumbersSdkCompat.COLUMN_ORIGINAL_NUMBER, originalNumber); |
| resolver.insert(BlockedNumbersSdkCompat.CONTENT_URI, values); |
| ++numMigrated; |
| } |
| Log.i(TAG, "migrate - migration complete. " + numMigrated + " numbers migrated."); |
| return true; |
| } |
| } |
| |
| private static boolean isNumberInNewBlocking(ContentResolver resolver, String originalNumber) { |
| try (Cursor cursor = resolver.query(BlockedNumbersSdkCompat.CONTENT_URI, |
| new String[]{BlockedNumbersSdkCompat._ID}, |
| BlockedNumbersSdkCompat.COLUMN_ORIGINAL_NUMBER + " = ?", |
| new String[] {originalNumber}, null)) { |
| return cursor != null && cursor.getCount() != 0; |
| } |
| } |
| } |