| /* |
| * Copyright (C) 2017 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.calllog; |
| |
| import com.android.dialer.calllog.datasources.CallLogDataSource; |
| import com.android.dialer.calllog.datasources.DataSources; |
| import com.android.dialer.common.LogUtil; |
| import com.google.common.util.concurrent.Futures; |
| import com.google.common.util.concurrent.ListenableFuture; |
| import com.google.common.util.concurrent.MoreExecutors; |
| import java.util.ArrayList; |
| import java.util.List; |
| import javax.inject.Inject; |
| import javax.inject.Singleton; |
| |
| /** |
| * Coordinates work across {@link DataSources}. |
| * |
| * <p>All methods should be called on the main thread. |
| */ |
| @Singleton |
| public final class CallLogFramework { |
| |
| private final DataSources dataSources; |
| private final AnnotatedCallLogMigrator annotatedCallLogMigrator; |
| |
| @Inject |
| CallLogFramework(DataSources dataSources, AnnotatedCallLogMigrator annotatedCallLogMigrator) { |
| this.dataSources = dataSources; |
| this.annotatedCallLogMigrator = annotatedCallLogMigrator; |
| } |
| |
| /** Registers the content observers for all data sources. */ |
| public void registerContentObservers() { |
| LogUtil.enterBlock("CallLogFramework.registerContentObservers"); |
| for (CallLogDataSource dataSource : dataSources.getDataSourcesIncludingSystemCallLog()) { |
| dataSource.registerContentObservers(); |
| } |
| } |
| |
| /** Enables the framework. */ |
| public ListenableFuture<Void> enable() { |
| registerContentObservers(); |
| return annotatedCallLogMigrator.migrate(); |
| } |
| |
| /** Disables the framework. */ |
| public ListenableFuture<Void> disable() { |
| return Futures.transform( |
| Futures.allAsList(disableDataSources(), annotatedCallLogMigrator.clearData()), |
| unused -> null, |
| MoreExecutors.directExecutor()); |
| } |
| |
| private ListenableFuture<Void> disableDataSources() { |
| LogUtil.enterBlock("CallLogFramework.disableDataSources"); |
| |
| for (CallLogDataSource dataSource : dataSources.getDataSourcesIncludingSystemCallLog()) { |
| dataSource.unregisterContentObservers(); |
| } |
| |
| // Clear data only after all content observers have been disabled. |
| List<ListenableFuture<Void>> allFutures = new ArrayList<>(); |
| for (CallLogDataSource dataSource : dataSources.getDataSourcesIncludingSystemCallLog()) { |
| allFutures.add(dataSource.clearData()); |
| } |
| return Futures.transform( |
| Futures.allAsList(allFutures), unused -> null, MoreExecutors.directExecutor()); |
| } |
| } |