| /* |
| * Copyright (C) 2016 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.content.Context; |
| import android.content.SharedPreferences; |
| import android.preference.PreferenceManager; |
| import android.support.annotation.NonNull; |
| import android.support.annotation.Nullable; |
| import android.support.v4.os.UserManagerCompat; |
| import com.android.dialer.blocking.FilteredNumberAsyncQueryHandler.OnHasBlockedNumbersListener; |
| import com.android.dialer.common.Assert; |
| import com.android.dialer.common.LogUtil; |
| import com.android.dialer.common.concurrent.DialerExecutor.Worker; |
| import com.android.dialer.common.concurrent.DialerExecutorFactory; |
| |
| /** |
| * Class responsible for checking if the user can be auto-migrated to {@link |
| * android.provider.BlockedNumberContract} blocking. In order for this to happen, the user cannot |
| * have any numbers that are blocked in the Dialer solution. |
| */ |
| public class BlockedNumbersAutoMigrator { |
| |
| static final String HAS_CHECKED_AUTO_MIGRATE_KEY = "checkedAutoMigrate"; |
| |
| @NonNull private final Context appContext; |
| @NonNull private final FilteredNumberAsyncQueryHandler queryHandler; |
| @NonNull private final DialerExecutorFactory dialerExecutorFactory; |
| |
| /** |
| * Constructs the BlockedNumbersAutoMigrator with the given {@link |
| * FilteredNumberAsyncQueryHandler}. |
| * |
| * @param queryHandler The FilteredNumberAsyncQueryHandler used to determine if there are blocked |
| * numbers. |
| * @throws NullPointerException if sharedPreferences or queryHandler are null. |
| */ |
| public BlockedNumbersAutoMigrator( |
| @NonNull Context appContext, |
| @NonNull FilteredNumberAsyncQueryHandler queryHandler, |
| @NonNull DialerExecutorFactory dialerExecutorFactory) { |
| this.appContext = Assert.isNotNull(appContext); |
| this.queryHandler = Assert.isNotNull(queryHandler); |
| this.dialerExecutorFactory = Assert.isNotNull(dialerExecutorFactory); |
| } |
| |
| public void asyncAutoMigrate() { |
| dialerExecutorFactory |
| .createNonUiTaskBuilder(new ShouldAttemptAutoMigrate(appContext)) |
| .onSuccess(this::autoMigrate) |
| .build() |
| .executeParallel(null); |
| } |
| |
| /** |
| * Attempts to perform the auto-migration. Auto-migration will only be attempted once and can be |
| * performed only when the user has no blocked numbers. As a result of this method, the user will |
| * be migrated to the framework blocking solution if blocked numbers don't exist. |
| */ |
| private void autoMigrate(boolean shouldAttemptAutoMigrate) { |
| if (!shouldAttemptAutoMigrate) { |
| return; |
| } |
| |
| LogUtil.i("BlockedNumbersAutoMigrator", "attempting to auto-migrate."); |
| queryHandler.hasBlockedNumbers( |
| new OnHasBlockedNumbersListener() { |
| @Override |
| public void onHasBlockedNumbers(boolean hasBlockedNumbers) { |
| if (hasBlockedNumbers) { |
| LogUtil.i("BlockedNumbersAutoMigrator", "not auto-migrating: blocked numbers exist."); |
| return; |
| } |
| LogUtil.i("BlockedNumbersAutoMigrator", "auto-migrating: no blocked numbers."); |
| FilteredNumberCompat.setHasMigratedToNewBlocking(appContext, true); |
| } |
| }); |
| } |
| |
| private static class ShouldAttemptAutoMigrate implements Worker<Void, Boolean> { |
| private final Context appContext; |
| |
| ShouldAttemptAutoMigrate(Context appContext) { |
| this.appContext = appContext; |
| } |
| |
| @Nullable |
| @Override |
| public Boolean doInBackground(@Nullable Void input) { |
| if (!UserManagerCompat.isUserUnlocked(appContext)) { |
| LogUtil.i("BlockedNumbersAutoMigrator", "not attempting auto-migrate: device is locked"); |
| return false; |
| } |
| SharedPreferences sharedPreferences = |
| PreferenceManager.getDefaultSharedPreferences(appContext); |
| |
| if (sharedPreferences.contains(HAS_CHECKED_AUTO_MIGRATE_KEY)) { |
| LogUtil.v( |
| "BlockedNumbersAutoMigrator", "not attempting auto-migrate: already checked once."); |
| return false; |
| } |
| |
| if (!FilteredNumberCompat.canAttemptBlockOperations(appContext)) { |
| // This may be the case where the user is on the lock screen, so we shouldn't record that |
| // the migration status was checked. |
| LogUtil.i( |
| "BlockedNumbersAutoMigrator", "not attempting auto-migrate: current user can't block"); |
| return false; |
| } |
| LogUtil.i( |
| "BlockedNumbersAutoMigrator", "updating state as already checked for auto-migrate."); |
| sharedPreferences.edit().putBoolean(HAS_CHECKED_AUTO_MIGRATE_KEY, true).apply(); |
| |
| if (!FilteredNumberCompat.canUseNewFiltering()) { |
| LogUtil.i("BlockedNumbersAutoMigrator", "not attempting auto-migrate: not available."); |
| return false; |
| } |
| |
| if (FilteredNumberCompat.hasMigratedToNewBlocking(appContext)) { |
| LogUtil.i("BlockedNumbersAutoMigrator", "not attempting auto-migrate: already migrated."); |
| return false; |
| } |
| return true; |
| } |
| } |
| } |