1 /* 2 * Copyright (C) 2018 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License 15 */ 16 17 package com.android.dialer.calllog; 18 19 import android.content.SharedPreferences; 20 import com.android.dialer.common.LogUtil; 21 import com.android.dialer.common.concurrent.Annotations.BackgroundExecutor; 22 import com.android.dialer.storage.Unencrypted; 23 import com.google.common.util.concurrent.Futures; 24 import com.google.common.util.concurrent.ListenableFuture; 25 import com.google.common.util.concurrent.ListeningExecutorService; 26 import com.google.common.util.concurrent.MoreExecutors; 27 import javax.inject.Inject; 28 29 /** 30 * Builds the annotated call log on application create once after the feature is enabled to reduce 31 * the latency the first time call log is shown. 32 */ 33 public final class AnnotatedCallLogMigrator { 34 35 private static final String PREF_MIGRATED = "annotatedCallLogMigratorMigrated"; 36 37 private final SharedPreferences sharedPreferences; 38 private final RefreshAnnotatedCallLogWorker refreshAnnotatedCallLogWorker; 39 private final ListeningExecutorService backgroundExecutor; 40 41 @Inject AnnotatedCallLogMigrator( @nencrypted SharedPreferences sharedPreferences, @BackgroundExecutor ListeningExecutorService backgroundExecutor, RefreshAnnotatedCallLogWorker refreshAnnotatedCallLogWorker)42 AnnotatedCallLogMigrator( 43 @Unencrypted SharedPreferences sharedPreferences, 44 @BackgroundExecutor ListeningExecutorService backgroundExecutor, 45 RefreshAnnotatedCallLogWorker refreshAnnotatedCallLogWorker) { 46 this.sharedPreferences = sharedPreferences; 47 this.backgroundExecutor = backgroundExecutor; 48 this.refreshAnnotatedCallLogWorker = refreshAnnotatedCallLogWorker; 49 } 50 51 /** 52 * Builds the annotated call log on application create once after the feature is enabled to reduce 53 * the latency the first time call log is shown. 54 */ migrate()55 public ListenableFuture<Void> migrate() { 56 return Futures.transformAsync( 57 shouldMigrate(), 58 (shouldMigrate) -> { 59 if (!shouldMigrate) { 60 return Futures.immediateFuture(null); 61 } 62 LogUtil.i("AnnotatedCallLogMigrator.migrate", "migrating annotated call log"); 63 return Futures.transform( 64 refreshAnnotatedCallLogWorker.refreshWithoutDirtyCheck(), 65 (unused) -> { 66 sharedPreferences.edit().putBoolean(PREF_MIGRATED, true).apply(); 67 return null; 68 }, 69 MoreExecutors.directExecutor()); 70 }, 71 MoreExecutors.directExecutor()); 72 } 73 74 private ListenableFuture<Boolean> shouldMigrate() { 75 return backgroundExecutor.submit(() -> !sharedPreferences.getBoolean(PREF_MIGRATED, false)); 76 } 77 78 /** 79 * Clears data that indicates if migration happened or not. This is necessary if migration needs 80 * to happen again, for example because the call log framework was disabled via flags due to a 81 * problem. 82 */ 83 ListenableFuture<Void> clearData() { 84 return backgroundExecutor.submit( 85 () -> { 86 sharedPreferences.edit().remove(PREF_MIGRATED).apply(); 87 return null; 88 }); 89 } 90 } 91