Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2014 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 | |
Wale Ogunwale | 5950709 | 2018-10-29 09:00:30 -0700 | [diff] [blame] | 17 | package com.android.server.wm; |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 18 | |
Wale Ogunwale | d32da47 | 2018-11-16 07:19:28 -0800 | [diff] [blame] | 19 | import static com.android.server.wm.RootActivityContainer.MATCH_TASK_IN_STACKS_OR_RECENT_TASKS; |
Garfield Tan | a354983 | 2018-09-24 15:22:18 -0700 | [diff] [blame] | 20 | |
Suprabh Shukla | 4bccb46 | 2016-02-10 18:45:12 -0800 | [diff] [blame] | 21 | import android.annotation.NonNull; |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 22 | import android.graphics.Bitmap; |
| 23 | import android.graphics.BitmapFactory; |
| 24 | import android.os.Debug; |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame] | 25 | import android.os.Environment; |
| 26 | import android.os.FileUtils; |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 27 | import android.os.SystemClock; |
| 28 | import android.util.ArraySet; |
| 29 | import android.util.AtomicFile; |
| 30 | import android.util.Slog; |
Suprabh Shukla | 4bccb46 | 2016-02-10 18:45:12 -0800 | [diff] [blame] | 31 | import android.util.SparseArray; |
| 32 | import android.util.SparseBooleanArray; |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 33 | import android.util.Xml; |
Wale Ogunwale | 18795a2 | 2014-12-03 11:38:33 -0800 | [diff] [blame] | 34 | |
Suprabh Shukla | 4bccb46 | 2016-02-10 18:45:12 -0800 | [diff] [blame] | 35 | import com.android.internal.annotations.VisibleForTesting; |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 36 | import com.android.internal.util.FastXmlSerializer; |
| 37 | import com.android.internal.util.XmlUtils; |
Garfield Tan | a354983 | 2018-09-24 15:22:18 -0700 | [diff] [blame] | 38 | |
Suprabh Shukla | 09a88f5 | 2015-12-02 14:36:31 -0800 | [diff] [blame] | 39 | import libcore.io.IoUtils; |
| 40 | |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 41 | import org.xmlpull.v1.XmlPullParser; |
| 42 | import org.xmlpull.v1.XmlPullParserException; |
| 43 | import org.xmlpull.v1.XmlSerializer; |
| 44 | |
| 45 | import java.io.BufferedReader; |
Suprabh Shukla | 4bccb46 | 2016-02-10 18:45:12 -0800 | [diff] [blame] | 46 | import java.io.BufferedWriter; |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 47 | import java.io.File; |
Suprabh Shukla | 4bccb46 | 2016-02-10 18:45:12 -0800 | [diff] [blame] | 48 | import java.io.FileNotFoundException; |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 49 | import java.io.FileOutputStream; |
| 50 | import java.io.FileReader; |
Suprabh Shukla | 4bccb46 | 2016-02-10 18:45:12 -0800 | [diff] [blame] | 51 | import java.io.FileWriter; |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 52 | import java.io.IOException; |
| 53 | import java.io.StringWriter; |
| 54 | import java.util.ArrayList; |
Suprabh Shukla | 09a88f5 | 2015-12-02 14:36:31 -0800 | [diff] [blame] | 55 | import java.util.Collections; |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 56 | import java.util.Comparator; |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame] | 57 | import java.util.List; |
Wale Ogunwale | 18795a2 | 2014-12-03 11:38:33 -0800 | [diff] [blame] | 58 | |
Garfield Tan | a354983 | 2018-09-24 15:22:18 -0700 | [diff] [blame] | 59 | /** |
| 60 | * Persister that saves recent tasks into disk. |
| 61 | */ |
| 62 | public class TaskPersister implements PersisterQueue.Listener { |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 63 | static final String TAG = "TaskPersister"; |
Stefan Kuhne | e88d1e5 | 2015-05-18 10:33:45 -0700 | [diff] [blame] | 64 | static final boolean DEBUG = false; |
Garfield Tan | a354983 | 2018-09-24 15:22:18 -0700 | [diff] [blame] | 65 | static final String IMAGE_EXTENSION = ".png"; |
Craig Mautner | 63f1090 | 2014-09-16 23:57:21 -0700 | [diff] [blame] | 66 | |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 67 | private static final String TASKS_DIRNAME = "recent_tasks"; |
Daichi Hirono | 4cb941e | 2017-03-31 14:30:41 +0900 | [diff] [blame] | 68 | private static final String TASK_FILENAME_SUFFIX = "_task.xml"; |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 69 | private static final String IMAGES_DIRNAME = "recent_images"; |
Suprabh Shukla | 4bccb46 | 2016-02-10 18:45:12 -0800 | [diff] [blame] | 70 | private static final String PERSISTED_TASK_IDS_FILENAME = "persisted_taskIds.txt"; |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 71 | |
Winson Chung | 36f3f03 | 2016-09-08 23:29:43 +0000 | [diff] [blame] | 72 | private static final String TAG_TASK = "task"; |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 73 | |
Wale Ogunwale | 16e505a | 2018-05-07 15:00:49 -0700 | [diff] [blame] | 74 | private final ActivityTaskManagerService mService; |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 75 | private final ActivityStackSupervisor mStackSupervisor; |
Wale Ogunwale | c82f2f5 | 2014-12-09 09:32:50 -0800 | [diff] [blame] | 76 | private final RecentTasks mRecentTasks; |
Suprabh Shukla | 4bccb46 | 2016-02-10 18:45:12 -0800 | [diff] [blame] | 77 | private final SparseArray<SparseBooleanArray> mTaskIdsInFile = new SparseArray<>(); |
Suprabh Shukla | f50b458 | 2016-02-23 17:44:22 -0800 | [diff] [blame] | 78 | private final File mTaskIdsDir; |
Suprabh Shukla | fd0bd4f | 2016-08-24 14:08:29 -0700 | [diff] [blame] | 79 | // To lock file operations in TaskPersister |
| 80 | private final Object mIoLock = new Object(); |
Garfield Tan | a354983 | 2018-09-24 15:22:18 -0700 | [diff] [blame] | 81 | private final PersisterQueue mPersisterQueue; |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 82 | |
Garfield Tan | a354983 | 2018-09-24 15:22:18 -0700 | [diff] [blame] | 83 | private final ArraySet<Integer> mTmpTaskIds = new ArraySet<>(); |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 84 | |
Wale Ogunwale | c82f2f5 | 2014-12-09 09:32:50 -0800 | [diff] [blame] | 85 | TaskPersister(File systemDir, ActivityStackSupervisor stackSupervisor, |
Garfield Tan | 891146c | 2018-10-09 12:14:00 -0700 | [diff] [blame] | 86 | ActivityTaskManagerService service, RecentTasks recentTasks, |
| 87 | PersisterQueue persisterQueue) { |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame] | 88 | |
| 89 | final File legacyImagesDir = new File(systemDir, IMAGES_DIRNAME); |
| 90 | if (legacyImagesDir.exists()) { |
| 91 | if (!FileUtils.deleteContents(legacyImagesDir) || !legacyImagesDir.delete()) { |
| 92 | Slog.i(TAG, "Failure deleting legacy images directory: " + legacyImagesDir); |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 93 | } |
| 94 | } |
| 95 | |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame] | 96 | final File legacyTasksDir = new File(systemDir, TASKS_DIRNAME); |
| 97 | if (legacyTasksDir.exists()) { |
| 98 | if (!FileUtils.deleteContents(legacyTasksDir) || !legacyTasksDir.delete()) { |
| 99 | Slog.i(TAG, "Failure deleting legacy tasks directory: " + legacyTasksDir); |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 100 | } |
| 101 | } |
| 102 | |
Suprabh Shukla | f50b458 | 2016-02-23 17:44:22 -0800 | [diff] [blame] | 103 | mTaskIdsDir = new File(Environment.getDataDirectory(), "system_de"); |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 104 | mStackSupervisor = stackSupervisor; |
Suprabh Shukla | 09a88f5 | 2015-12-02 14:36:31 -0800 | [diff] [blame] | 105 | mService = service; |
Wale Ogunwale | c82f2f5 | 2014-12-09 09:32:50 -0800 | [diff] [blame] | 106 | mRecentTasks = recentTasks; |
Garfield Tan | 891146c | 2018-10-09 12:14:00 -0700 | [diff] [blame] | 107 | mPersisterQueue = persisterQueue; |
Garfield Tan | a354983 | 2018-09-24 15:22:18 -0700 | [diff] [blame] | 108 | mPersisterQueue.addListener(this); |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 109 | } |
| 110 | |
Suprabh Shukla | f50b458 | 2016-02-23 17:44:22 -0800 | [diff] [blame] | 111 | @VisibleForTesting |
| 112 | TaskPersister(File workingDir) { |
| 113 | mTaskIdsDir = workingDir; |
| 114 | mStackSupervisor = null; |
| 115 | mService = null; |
| 116 | mRecentTasks = null; |
Garfield Tan | a354983 | 2018-09-24 15:22:18 -0700 | [diff] [blame] | 117 | mPersisterQueue = new PersisterQueue(); |
| 118 | mPersisterQueue.addListener(this); |
Suprabh Shukla | f50b458 | 2016-02-23 17:44:22 -0800 | [diff] [blame] | 119 | } |
| 120 | |
Louis Chang | cdec080 | 2019-11-11 11:45:07 +0800 | [diff] [blame] | 121 | private void removeThumbnails(Task task) { |
Garfield Tan | a354983 | 2018-09-24 15:22:18 -0700 | [diff] [blame] | 122 | mPersisterQueue.removeItems( |
| 123 | item -> { |
| 124 | File file = new File(item.mFilePath); |
Wale Ogunwale | 4e79a1c | 2019-10-05 20:52:40 -0700 | [diff] [blame] | 125 | return file.getName().startsWith(Integer.toString(task.mTaskId)); |
Garfield Tan | a354983 | 2018-09-24 15:22:18 -0700 | [diff] [blame] | 126 | }, |
| 127 | ImageWriteQueueItem.class); |
Craig Mautner | 63f1090 | 2014-09-16 23:57:21 -0700 | [diff] [blame] | 128 | } |
| 129 | |
Suprabh Shukla | 4bccb46 | 2016-02-10 18:45:12 -0800 | [diff] [blame] | 130 | @NonNull |
| 131 | SparseBooleanArray loadPersistedTaskIdsForUser(int userId) { |
| 132 | if (mTaskIdsInFile.get(userId) != null) { |
| 133 | return mTaskIdsInFile.get(userId).clone(); |
| 134 | } |
| 135 | final SparseBooleanArray persistedTaskIds = new SparseBooleanArray(); |
Suprabh Shukla | fd0bd4f | 2016-08-24 14:08:29 -0700 | [diff] [blame] | 136 | synchronized (mIoLock) { |
| 137 | BufferedReader reader = null; |
| 138 | String line; |
| 139 | try { |
| 140 | reader = new BufferedReader(new FileReader(getUserPersistedTaskIdsFile(userId))); |
| 141 | while ((line = reader.readLine()) != null) { |
| 142 | for (String taskIdString : line.split("\\s+")) { |
| 143 | int id = Integer.parseInt(taskIdString); |
| 144 | persistedTaskIds.put(id, true); |
| 145 | } |
Suprabh Shukla | 4bccb46 | 2016-02-10 18:45:12 -0800 | [diff] [blame] | 146 | } |
Suprabh Shukla | fd0bd4f | 2016-08-24 14:08:29 -0700 | [diff] [blame] | 147 | } catch (FileNotFoundException e) { |
| 148 | // File doesn't exist. Ignore. |
| 149 | } catch (Exception e) { |
| 150 | Slog.e(TAG, "Error while reading taskIds file for user " + userId, e); |
| 151 | } finally { |
| 152 | IoUtils.closeQuietly(reader); |
Suprabh Shukla | 4bccb46 | 2016-02-10 18:45:12 -0800 | [diff] [blame] | 153 | } |
Suprabh Shukla | 4bccb46 | 2016-02-10 18:45:12 -0800 | [diff] [blame] | 154 | } |
| 155 | mTaskIdsInFile.put(userId, persistedTaskIds); |
| 156 | return persistedTaskIds.clone(); |
| 157 | } |
| 158 | |
Suprabh Shukla | fd0bd4f | 2016-08-24 14:08:29 -0700 | [diff] [blame] | 159 | |
Suprabh Shukla | f50b458 | 2016-02-23 17:44:22 -0800 | [diff] [blame] | 160 | @VisibleForTesting |
Suprabh Shukla | fd0bd4f | 2016-08-24 14:08:29 -0700 | [diff] [blame] | 161 | void writePersistedTaskIdsForUser(@NonNull SparseBooleanArray taskIds, int userId) { |
Suprabh Shukla | 4bccb46 | 2016-02-10 18:45:12 -0800 | [diff] [blame] | 162 | if (userId < 0) { |
| 163 | return; |
| 164 | } |
Suprabh Shukla | 4bccb46 | 2016-02-10 18:45:12 -0800 | [diff] [blame] | 165 | final File persistedTaskIdsFile = getUserPersistedTaskIdsFile(userId); |
Suprabh Shukla | fd0bd4f | 2016-08-24 14:08:29 -0700 | [diff] [blame] | 166 | synchronized (mIoLock) { |
| 167 | BufferedWriter writer = null; |
| 168 | try { |
| 169 | writer = new BufferedWriter(new FileWriter(persistedTaskIdsFile)); |
| 170 | for (int i = 0; i < taskIds.size(); i++) { |
| 171 | if (taskIds.valueAt(i)) { |
| 172 | writer.write(String.valueOf(taskIds.keyAt(i))); |
| 173 | writer.newLine(); |
| 174 | } |
Suprabh Shukla | 4bccb46 | 2016-02-10 18:45:12 -0800 | [diff] [blame] | 175 | } |
Suprabh Shukla | fd0bd4f | 2016-08-24 14:08:29 -0700 | [diff] [blame] | 176 | } catch (Exception e) { |
| 177 | Slog.e(TAG, "Error while writing taskIds file for user " + userId, e); |
| 178 | } finally { |
| 179 | IoUtils.closeQuietly(writer); |
Suprabh Shukla | 4bccb46 | 2016-02-10 18:45:12 -0800 | [diff] [blame] | 180 | } |
Suprabh Shukla | 4bccb46 | 2016-02-10 18:45:12 -0800 | [diff] [blame] | 181 | } |
Suprabh Shukla | 4bccb46 | 2016-02-10 18:45:12 -0800 | [diff] [blame] | 182 | } |
| 183 | |
| 184 | void unloadUserDataFromMemory(int userId) { |
| 185 | mTaskIdsInFile.delete(userId); |
| 186 | } |
| 187 | |
Louis Chang | cdec080 | 2019-11-11 11:45:07 +0800 | [diff] [blame] | 188 | void wakeup(Task task, boolean flush) { |
Garfield Tan | a354983 | 2018-09-24 15:22:18 -0700 | [diff] [blame] | 189 | synchronized (mPersisterQueue) { |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 190 | if (task != null) { |
Garfield Tan | a354983 | 2018-09-24 15:22:18 -0700 | [diff] [blame] | 191 | final TaskWriteQueueItem item = mPersisterQueue.findLastItem( |
| 192 | queueItem -> task == queueItem.mTask, TaskWriteQueueItem.class); |
| 193 | if (item != null && !task.inRecents) { |
| 194 | removeThumbnails(task); |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 195 | } |
Garfield Tan | a354983 | 2018-09-24 15:22:18 -0700 | [diff] [blame] | 196 | |
| 197 | if (item == null && task.isPersistable) { |
| 198 | mPersisterQueue.addItem(new TaskWriteQueueItem(task, mService), flush); |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 199 | } |
| 200 | } else { |
Suprabh Shukla | 09a88f5 | 2015-12-02 14:36:31 -0800 | [diff] [blame] | 201 | // Dummy. Ensures removeObsoleteFiles is called when LazyTaskThreadWriter is |
| 202 | // notified. |
Garfield Tan | a354983 | 2018-09-24 15:22:18 -0700 | [diff] [blame] | 203 | mPersisterQueue.addItem(PersisterQueue.EMPTY_ITEM, flush); |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 204 | } |
Garfield Tan | a354983 | 2018-09-24 15:22:18 -0700 | [diff] [blame] | 205 | if (DEBUG) { |
| 206 | Slog.d(TAG, "wakeup: task=" + task + " flush=" + flush + " Callers=" |
| 207 | + Debug.getCallers(4)); |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 208 | } |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 209 | } |
Craig Mautner | 63f1090 | 2014-09-16 23:57:21 -0700 | [diff] [blame] | 210 | |
Garfield Tan | a354983 | 2018-09-24 15:22:18 -0700 | [diff] [blame] | 211 | mPersisterQueue.yieldIfQueueTooDeep(); |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 212 | } |
| 213 | |
Dianne Hackborn | ce0fd76 | 2014-09-19 12:58:15 -0700 | [diff] [blame] | 214 | void flush() { |
Garfield Tan | a354983 | 2018-09-24 15:22:18 -0700 | [diff] [blame] | 215 | mPersisterQueue.flush(); |
Dianne Hackborn | ce0fd76 | 2014-09-19 12:58:15 -0700 | [diff] [blame] | 216 | } |
| 217 | |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame] | 218 | void saveImage(Bitmap image, String filePath) { |
Garfield Tan | 891146c | 2018-10-09 12:14:00 -0700 | [diff] [blame] | 219 | mPersisterQueue.updateLastOrAddItem(new ImageWriteQueueItem(filePath, image), |
| 220 | /* flush */ false); |
| 221 | if (DEBUG) { |
| 222 | Slog.d(TAG, "saveImage: filePath=" + filePath + " now=" |
| 223 | + SystemClock.uptimeMillis() + " Callers=" + Debug.getCallers(4)); |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 224 | } |
| 225 | } |
| 226 | |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame] | 227 | Bitmap getTaskDescriptionIcon(String filePath) { |
Craig Mautner | 648f69b | 2014-09-18 14:16:26 -0700 | [diff] [blame] | 228 | // See if it is in the write queue |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame] | 229 | final Bitmap icon = getImageFromWriteQueue(filePath); |
Craig Mautner | 648f69b | 2014-09-18 14:16:26 -0700 | [diff] [blame] | 230 | if (icon != null) { |
| 231 | return icon; |
| 232 | } |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame] | 233 | return restoreImage(filePath); |
Craig Mautner | 648f69b | 2014-09-18 14:16:26 -0700 | [diff] [blame] | 234 | } |
| 235 | |
Garfield Tan | a354983 | 2018-09-24 15:22:18 -0700 | [diff] [blame] | 236 | private Bitmap getImageFromWriteQueue(String filePath) { |
| 237 | final ImageWriteQueueItem item = mPersisterQueue.findLastItem( |
| 238 | queueItem -> queueItem.mFilePath.equals(filePath), ImageWriteQueueItem.class); |
| 239 | return item != null ? item.mImage : null; |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 240 | } |
| 241 | |
Craig Mautner | 77b0426 | 2014-06-27 15:22:12 -0700 | [diff] [blame] | 242 | private String fileToString(File file) { |
| 243 | final String newline = System.lineSeparator(); |
| 244 | try { |
| 245 | BufferedReader reader = new BufferedReader(new FileReader(file)); |
| 246 | StringBuffer sb = new StringBuffer((int) file.length() * 2); |
| 247 | String line; |
| 248 | while ((line = reader.readLine()) != null) { |
| 249 | sb.append(line + newline); |
| 250 | } |
| 251 | reader.close(); |
| 252 | return sb.toString(); |
| 253 | } catch (IOException ioe) { |
| 254 | Slog.e(TAG, "Couldn't read file " + file.getName()); |
| 255 | return null; |
| 256 | } |
| 257 | } |
| 258 | |
Louis Chang | cdec080 | 2019-11-11 11:45:07 +0800 | [diff] [blame] | 259 | private Task taskIdToTask(int taskId, ArrayList<Task> tasks) { |
Craig Mautner | a228ae9 | 2014-07-09 05:44:55 -0700 | [diff] [blame] | 260 | if (taskId < 0) { |
| 261 | return null; |
| 262 | } |
| 263 | for (int taskNdx = tasks.size() - 1; taskNdx >= 0; --taskNdx) { |
Louis Chang | cdec080 | 2019-11-11 11:45:07 +0800 | [diff] [blame] | 264 | final Task task = tasks.get(taskNdx); |
Wale Ogunwale | 4e79a1c | 2019-10-05 20:52:40 -0700 | [diff] [blame] | 265 | if (task.mTaskId == taskId) { |
Craig Mautner | a228ae9 | 2014-07-09 05:44:55 -0700 | [diff] [blame] | 266 | return task; |
| 267 | } |
| 268 | } |
| 269 | Slog.e(TAG, "Restore affiliation error looking for taskId=" + taskId); |
| 270 | return null; |
| 271 | } |
| 272 | |
Louis Chang | cdec080 | 2019-11-11 11:45:07 +0800 | [diff] [blame] | 273 | List<Task> restoreTasksForUserLocked(final int userId, SparseBooleanArray preaddedTasks) { |
| 274 | final ArrayList<Task> tasks = new ArrayList<Task>(); |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 275 | ArraySet<Integer> recoveredTaskIds = new ArraySet<Integer>(); |
| 276 | |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame] | 277 | File userTasksDir = getUserTasksDir(userId); |
Winson Chung | 36f3f03 | 2016-09-08 23:29:43 +0000 | [diff] [blame] | 278 | |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame] | 279 | File[] recentFiles = userTasksDir.listFiles(); |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 280 | if (recentFiles == null) { |
Suprabh Shukla | 4bccb46 | 2016-02-10 18:45:12 -0800 | [diff] [blame] | 281 | Slog.e(TAG, "restoreTasksForUserLocked: Unable to list files from " + userTasksDir); |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 282 | return tasks; |
| 283 | } |
| 284 | |
| 285 | for (int taskNdx = 0; taskNdx < recentFiles.length; ++taskNdx) { |
| 286 | File taskFile = recentFiles[taskNdx]; |
Suprabh Shukla | 4bccb46 | 2016-02-10 18:45:12 -0800 | [diff] [blame] | 287 | if (DEBUG) { |
| 288 | Slog.d(TAG, "restoreTasksForUserLocked: userId=" + userId |
| 289 | + ", taskFile=" + taskFile.getName()); |
| 290 | } |
Daichi Hirono | 4cb941e | 2017-03-31 14:30:41 +0900 | [diff] [blame] | 291 | |
| 292 | if (!taskFile.getName().endsWith(TASK_FILENAME_SUFFIX)) { |
| 293 | continue; |
| 294 | } |
| 295 | try { |
| 296 | final int taskId = Integer.parseInt(taskFile.getName().substring( |
| 297 | 0 /* beginIndex */, |
| 298 | taskFile.getName().length() - TASK_FILENAME_SUFFIX.length())); |
| 299 | if (preaddedTasks.get(taskId, false)) { |
| 300 | Slog.w(TAG, "Task #" + taskId + |
| 301 | " has already been created so we don't restore again"); |
| 302 | continue; |
| 303 | } |
| 304 | } catch (NumberFormatException e) { |
| 305 | Slog.w(TAG, "Unexpected task file name", e); |
| 306 | continue; |
| 307 | } |
| 308 | |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 309 | BufferedReader reader = null; |
Craig Mautner | e0129b3 | 2014-05-25 16:41:09 -0700 | [diff] [blame] | 310 | boolean deleteFile = false; |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 311 | try { |
| 312 | reader = new BufferedReader(new FileReader(taskFile)); |
| 313 | final XmlPullParser in = Xml.newPullParser(); |
| 314 | in.setInput(reader); |
| 315 | |
| 316 | int event; |
| 317 | while (((event = in.next()) != XmlPullParser.END_DOCUMENT) && |
| 318 | event != XmlPullParser.END_TAG) { |
| 319 | final String name = in.getName(); |
| 320 | if (event == XmlPullParser.START_TAG) { |
Suprabh Shukla | 09a88f5 | 2015-12-02 14:36:31 -0800 | [diff] [blame] | 321 | if (DEBUG) Slog.d(TAG, "restoreTasksForUserLocked: START_TAG name=" + name); |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 322 | if (TAG_TASK.equals(name)) { |
Louis Chang | cdec080 | 2019-11-11 11:45:07 +0800 | [diff] [blame] | 323 | final Task task = Task.restoreFromXml(in, mStackSupervisor); |
Suprabh Shukla | 09a88f5 | 2015-12-02 14:36:31 -0800 | [diff] [blame] | 324 | if (DEBUG) Slog.d(TAG, "restoreTasksForUserLocked: restored task=" |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame] | 325 | + task); |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 326 | if (task != null) { |
Winson Chung | 36f3f03 | 2016-09-08 23:29:43 +0000 | [diff] [blame] | 327 | // XXX Don't add to write queue... there is no reason to write |
| 328 | // out the stuff we just read, if we don't write it we will |
| 329 | // read the same thing again. |
| 330 | // mWriteQueue.add(new TaskWriteQueueItem(task)); |
| 331 | |
Wale Ogunwale | 4e79a1c | 2019-10-05 20:52:40 -0700 | [diff] [blame] | 332 | final int taskId = task.mTaskId; |
Wale Ogunwale | d32da47 | 2018-11-16 07:19:28 -0800 | [diff] [blame] | 333 | if (mService.mRootActivityContainer.anyTaskForId(taskId, |
Wale Ogunwale | 0568aed | 2017-09-08 13:29:37 -0700 | [diff] [blame] | 334 | MATCH_TASK_IN_STACKS_OR_RECENT_TASKS) != null) { |
Suprabh Shukla | 4bccb46 | 2016-02-10 18:45:12 -0800 | [diff] [blame] | 335 | // Should not happen. |
| 336 | Slog.wtf(TAG, "Existing task with taskId " + taskId + "found"); |
Wale Ogunwale | 4e79a1c | 2019-10-05 20:52:40 -0700 | [diff] [blame] | 337 | } else if (userId != task.mUserId) { |
Suprabh Shukla | 4bccb46 | 2016-02-10 18:45:12 -0800 | [diff] [blame] | 338 | // Should not happen. |
Wale Ogunwale | 4e79a1c | 2019-10-05 20:52:40 -0700 | [diff] [blame] | 339 | Slog.wtf(TAG, "Task with userId " + task.mUserId + " found in " |
Suprabh Shukla | 4bccb46 | 2016-02-10 18:45:12 -0800 | [diff] [blame] | 340 | + userTasksDir.getAbsolutePath()); |
| 341 | } else { |
| 342 | // Looks fine. |
| 343 | mStackSupervisor.setNextTaskIdForUserLocked(taskId, userId); |
Amith Yamasani | 515d406 | 2015-09-28 11:30:06 -0700 | [diff] [blame] | 344 | task.isPersistable = true; |
| 345 | tasks.add(task); |
| 346 | recoveredTaskIds.add(taskId); |
| 347 | } |
Craig Mautner | 77b0426 | 2014-06-27 15:22:12 -0700 | [diff] [blame] | 348 | } else { |
Suprabh Shukla | 4bccb46 | 2016-02-10 18:45:12 -0800 | [diff] [blame] | 349 | Slog.e(TAG, "restoreTasksForUserLocked: Unable to restore taskFile=" |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame] | 350 | + taskFile + ": " + fileToString(taskFile)); |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 351 | } |
| 352 | } else { |
Suprabh Shukla | 4bccb46 | 2016-02-10 18:45:12 -0800 | [diff] [blame] | 353 | Slog.wtf(TAG, "restoreTasksForUserLocked: Unknown xml event=" + event |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame] | 354 | + " name=" + name); |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 355 | } |
| 356 | } |
| 357 | XmlUtils.skipCurrentTag(in); |
| 358 | } |
Craig Mautner | e0129b3 | 2014-05-25 16:41:09 -0700 | [diff] [blame] | 359 | } catch (Exception e) { |
Craig Mautner | a228ae9 | 2014-07-09 05:44:55 -0700 | [diff] [blame] | 360 | Slog.wtf(TAG, "Unable to parse " + taskFile + ". Error ", e); |
Craig Mautner | 77b0426 | 2014-06-27 15:22:12 -0700 | [diff] [blame] | 361 | Slog.e(TAG, "Failing file: " + fileToString(taskFile)); |
Craig Mautner | e0129b3 | 2014-05-25 16:41:09 -0700 | [diff] [blame] | 362 | deleteFile = true; |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 363 | } finally { |
Wale Ogunwale | 18795a2 | 2014-12-03 11:38:33 -0800 | [diff] [blame] | 364 | IoUtils.closeQuietly(reader); |
Stefan Kuhne | e88d1e5 | 2015-05-18 10:33:45 -0700 | [diff] [blame] | 365 | if (deleteFile) { |
| 366 | if (DEBUG) Slog.d(TAG, "Deleting file=" + taskFile.getName()); |
Craig Mautner | e0129b3 | 2014-05-25 16:41:09 -0700 | [diff] [blame] | 367 | taskFile.delete(); |
| 368 | } |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 369 | } |
| 370 | } |
| 371 | |
Stefan Kuhne | e88d1e5 | 2015-05-18 10:33:45 -0700 | [diff] [blame] | 372 | if (!DEBUG) { |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame] | 373 | removeObsoleteFiles(recoveredTaskIds, userTasksDir.listFiles()); |
| 374 | } |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 375 | |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame] | 376 | // Fix up task affiliation from taskIds |
Craig Mautner | a228ae9 | 2014-07-09 05:44:55 -0700 | [diff] [blame] | 377 | for (int taskNdx = tasks.size() - 1; taskNdx >= 0; --taskNdx) { |
Louis Chang | cdec080 | 2019-11-11 11:45:07 +0800 | [diff] [blame] | 378 | final Task task = tasks.get(taskNdx); |
Craig Mautner | a228ae9 | 2014-07-09 05:44:55 -0700 | [diff] [blame] | 379 | task.setPrevAffiliate(taskIdToTask(task.mPrevAffiliateTaskId, tasks)); |
| 380 | task.setNextAffiliate(taskIdToTask(task.mNextAffiliateTaskId, tasks)); |
| 381 | } |
| 382 | |
Louis Chang | cdec080 | 2019-11-11 11:45:07 +0800 | [diff] [blame] | 383 | Collections.sort(tasks, new Comparator<Task>() { |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 384 | @Override |
Louis Chang | cdec080 | 2019-11-11 11:45:07 +0800 | [diff] [blame] | 385 | public int compare(Task lhs, Task rhs) { |
Craig Mautner | 43e52ed | 2014-06-16 17:18:52 -0700 | [diff] [blame] | 386 | final long diff = rhs.mLastTimeMoved - lhs.mLastTimeMoved; |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 387 | if (diff < 0) { |
| 388 | return -1; |
| 389 | } else if (diff > 0) { |
| 390 | return +1; |
| 391 | } else { |
| 392 | return 0; |
| 393 | } |
| 394 | } |
| 395 | }); |
Suprabh Shukla | 09a88f5 | 2015-12-02 14:36:31 -0800 | [diff] [blame] | 396 | return tasks; |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 397 | } |
| 398 | |
Garfield Tan | a354983 | 2018-09-24 15:22:18 -0700 | [diff] [blame] | 399 | @Override |
| 400 | public void onPreProcessItem(boolean queueEmpty) { |
| 401 | // We can't lock mService while locking the queue, but we don't want to |
| 402 | // call removeObsoleteFiles before every item, only the last time |
| 403 | // before going to sleep. The risk is that we call removeObsoleteFiles() |
| 404 | // successively. |
| 405 | if (queueEmpty) { |
| 406 | if (DEBUG) Slog.d(TAG, "Looking for obsolete files."); |
| 407 | mTmpTaskIds.clear(); |
| 408 | synchronized (mService.mGlobalLock) { |
| 409 | if (DEBUG) Slog.d(TAG, "mRecents=" + mRecentTasks); |
| 410 | mRecentTasks.getPersistableTaskIds(mTmpTaskIds); |
| 411 | mService.mWindowManager.removeObsoleteTaskFiles(mTmpTaskIds, |
| 412 | mRecentTasks.usersWithRecentsLoadedLocked()); |
| 413 | } |
| 414 | removeObsoleteFiles(mTmpTaskIds); |
| 415 | } |
| 416 | writeTaskIdsFiles(); |
| 417 | } |
| 418 | |
Craig Mautner | e0129b3 | 2014-05-25 16:41:09 -0700 | [diff] [blame] | 419 | private static void removeObsoleteFiles(ArraySet<Integer> persistentTaskIds, File[] files) { |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame] | 420 | if (DEBUG) Slog.d(TAG, "removeObsoleteFiles: persistentTaskIds=" + persistentTaskIds + |
Stefan Kuhne | e88d1e5 | 2015-05-18 10:33:45 -0700 | [diff] [blame] | 421 | " files=" + files); |
Craig Mautner | a5badf0 | 2014-09-11 12:47:03 -0700 | [diff] [blame] | 422 | if (files == null) { |
Suprabh Shukla | dc4b80d | 2016-04-20 15:24:31 -0700 | [diff] [blame] | 423 | Slog.e(TAG, "File error accessing recents directory (directory doesn't exist?)."); |
Craig Mautner | a5badf0 | 2014-09-11 12:47:03 -0700 | [diff] [blame] | 424 | return; |
| 425 | } |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 426 | for (int fileNdx = 0; fileNdx < files.length; ++fileNdx) { |
| 427 | File file = files[fileNdx]; |
| 428 | String filename = file.getName(); |
Craig Mautner | ffcfcaa | 2014-06-05 09:54:38 -0700 | [diff] [blame] | 429 | final int taskIdEnd = filename.indexOf('_'); |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 430 | if (taskIdEnd > 0) { |
| 431 | final int taskId; |
| 432 | try { |
Narayan Kamath | a09b4d2 | 2016-04-15 18:32:45 +0100 | [diff] [blame] | 433 | taskId = Integer.parseInt(filename.substring(0, taskIdEnd)); |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame] | 434 | if (DEBUG) Slog.d(TAG, "removeObsoleteFiles: Found taskId=" + taskId); |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 435 | } catch (Exception e) { |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame] | 436 | Slog.wtf(TAG, "removeObsoleteFiles: Can't parse file=" + file.getName()); |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 437 | file.delete(); |
| 438 | continue; |
| 439 | } |
| 440 | if (!persistentTaskIds.contains(taskId)) { |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame] | 441 | if (DEBUG) Slog.d(TAG, "removeObsoleteFiles: deleting file=" + file.getName()); |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 442 | file.delete(); |
| 443 | } |
| 444 | } |
| 445 | } |
| 446 | } |
| 447 | |
Suprabh Shukla | 4bccb46 | 2016-02-10 18:45:12 -0800 | [diff] [blame] | 448 | private void writeTaskIdsFiles() { |
Suprabh Shukla | fd0bd4f | 2016-08-24 14:08:29 -0700 | [diff] [blame] | 449 | SparseArray<SparseBooleanArray> changedTaskIdsPerUser = new SparseArray<>(); |
Wale Ogunwale | 16e505a | 2018-05-07 15:00:49 -0700 | [diff] [blame] | 450 | synchronized (mService.mGlobalLock) { |
Suprabh Shukla | fd0bd4f | 2016-08-24 14:08:29 -0700 | [diff] [blame] | 451 | for (int userId : mRecentTasks.usersWithRecentsLoadedLocked()) { |
Winson Chung | 1dbc811 | 2017-09-28 18:05:31 -0700 | [diff] [blame] | 452 | SparseBooleanArray taskIdsToSave = mRecentTasks.getTaskIdsForUser(userId); |
Suprabh Shukla | fd0bd4f | 2016-08-24 14:08:29 -0700 | [diff] [blame] | 453 | SparseBooleanArray persistedIdsInFile = mTaskIdsInFile.get(userId); |
| 454 | if (persistedIdsInFile != null && persistedIdsInFile.equals(taskIdsToSave)) { |
| 455 | continue; |
| 456 | } else { |
| 457 | SparseBooleanArray taskIdsToSaveCopy = taskIdsToSave.clone(); |
| 458 | mTaskIdsInFile.put(userId, taskIdsToSaveCopy); |
| 459 | changedTaskIdsPerUser.put(userId, taskIdsToSaveCopy); |
| 460 | } |
Suprabh Shukla | 4bccb46 | 2016-02-10 18:45:12 -0800 | [diff] [blame] | 461 | } |
Suprabh Shukla | fd0bd4f | 2016-08-24 14:08:29 -0700 | [diff] [blame] | 462 | } |
| 463 | for (int i = 0; i < changedTaskIdsPerUser.size(); i++) { |
| 464 | writePersistedTaskIdsForUser(changedTaskIdsPerUser.valueAt(i), |
| 465 | changedTaskIdsPerUser.keyAt(i)); |
Suprabh Shukla | 4bccb46 | 2016-02-10 18:45:12 -0800 | [diff] [blame] | 466 | } |
| 467 | } |
| 468 | |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 469 | private void removeObsoleteFiles(ArraySet<Integer> persistentTaskIds) { |
Suprabh Shukla | 09a88f5 | 2015-12-02 14:36:31 -0800 | [diff] [blame] | 470 | int[] candidateUserIds; |
Wale Ogunwale | 16e505a | 2018-05-07 15:00:49 -0700 | [diff] [blame] | 471 | synchronized (mService.mGlobalLock) { |
Suprabh Shukla | 09a88f5 | 2015-12-02 14:36:31 -0800 | [diff] [blame] | 472 | // Remove only from directories of the users who have recents in memory synchronized |
| 473 | // with persistent storage. |
| 474 | candidateUserIds = mRecentTasks.usersWithRecentsLoadedLocked(); |
| 475 | } |
| 476 | for (int userId : candidateUserIds) { |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame] | 477 | removeObsoleteFiles(persistentTaskIds, getUserImagesDir(userId).listFiles()); |
| 478 | removeObsoleteFiles(persistentTaskIds, getUserTasksDir(userId).listFiles()); |
| 479 | } |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 480 | } |
| 481 | |
| 482 | static Bitmap restoreImage(String filename) { |
Stefan Kuhne | e88d1e5 | 2015-05-18 10:33:45 -0700 | [diff] [blame] | 483 | if (DEBUG) Slog.d(TAG, "restoreImage: restoring " + filename); |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame] | 484 | return BitmapFactory.decodeFile(filename); |
| 485 | } |
| 486 | |
Suprabh Shukla | f50b458 | 2016-02-23 17:44:22 -0800 | [diff] [blame] | 487 | private File getUserPersistedTaskIdsFile(int userId) { |
| 488 | File userTaskIdsDir = new File(mTaskIdsDir, String.valueOf(userId)); |
| 489 | if (!userTaskIdsDir.exists() && !userTaskIdsDir.mkdirs()) { |
| 490 | Slog.e(TAG, "Error while creating user directory: " + userTaskIdsDir); |
| 491 | } |
| 492 | return new File(userTaskIdsDir, PERSISTED_TASK_IDS_FILENAME); |
Suprabh Shukla | 4bccb46 | 2016-02-10 18:45:12 -0800 | [diff] [blame] | 493 | } |
| 494 | |
Garfield Tan | 0d407f4 | 2019-03-07 11:47:01 -0800 | [diff] [blame] | 495 | private static File getUserTasksDir(int userId) { |
| 496 | return new File(Environment.getDataSystemCeDirectory(userId), TASKS_DIRNAME); |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame] | 497 | } |
| 498 | |
| 499 | static File getUserImagesDir(int userId) { |
Suprabh Shukla | dc4b80d | 2016-04-20 15:24:31 -0700 | [diff] [blame] | 500 | return new File(Environment.getDataSystemCeDirectory(userId), IMAGES_DIRNAME); |
| 501 | } |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame] | 502 | |
Suprabh Shukla | dc4b80d | 2016-04-20 15:24:31 -0700 | [diff] [blame] | 503 | private static boolean createParentDirectory(String filePath) { |
| 504 | File parentDir = new File(filePath).getParentFile(); |
| 505 | return parentDir.exists() || parentDir.mkdirs(); |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 506 | } |
| 507 | |
Garfield Tan | a354983 | 2018-09-24 15:22:18 -0700 | [diff] [blame] | 508 | private static class TaskWriteQueueItem implements PersisterQueue.WriteQueueItem { |
| 509 | private final ActivityTaskManagerService mService; |
Louis Chang | cdec080 | 2019-11-11 11:45:07 +0800 | [diff] [blame] | 510 | private final Task mTask; |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 511 | |
Louis Chang | cdec080 | 2019-11-11 11:45:07 +0800 | [diff] [blame] | 512 | TaskWriteQueueItem(Task task, ActivityTaskManagerService service) { |
Garfield Tan | a354983 | 2018-09-24 15:22:18 -0700 | [diff] [blame] | 513 | mTask = task; |
| 514 | mService = service; |
| 515 | } |
| 516 | |
Louis Chang | cdec080 | 2019-11-11 11:45:07 +0800 | [diff] [blame] | 517 | private StringWriter saveToXml(Task task) throws IOException, XmlPullParserException { |
Garfield Tan | a354983 | 2018-09-24 15:22:18 -0700 | [diff] [blame] | 518 | if (DEBUG) Slog.d(TAG, "saveToXml: task=" + task); |
| 519 | final XmlSerializer xmlSerializer = new FastXmlSerializer(); |
| 520 | StringWriter stringWriter = new StringWriter(); |
| 521 | xmlSerializer.setOutput(stringWriter); |
| 522 | |
| 523 | if (DEBUG) { |
| 524 | xmlSerializer.setFeature( |
| 525 | "http://xmlpull.org/v1/doc/features.html#indent-output", true); |
| 526 | } |
| 527 | |
| 528 | // save task |
| 529 | xmlSerializer.startDocument(null, true); |
| 530 | |
| 531 | xmlSerializer.startTag(null, TAG_TASK); |
| 532 | task.saveToXml(xmlSerializer); |
| 533 | xmlSerializer.endTag(null, TAG_TASK); |
| 534 | |
| 535 | xmlSerializer.endDocument(); |
| 536 | xmlSerializer.flush(); |
| 537 | |
| 538 | return stringWriter; |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 539 | } |
| 540 | |
| 541 | @Override |
Garfield Tan | a354983 | 2018-09-24 15:22:18 -0700 | [diff] [blame] | 542 | public void process() { |
| 543 | // Write out one task. |
| 544 | StringWriter stringWriter = null; |
Louis Chang | cdec080 | 2019-11-11 11:45:07 +0800 | [diff] [blame] | 545 | Task task = mTask; |
Garfield Tan | a354983 | 2018-09-24 15:22:18 -0700 | [diff] [blame] | 546 | if (DEBUG) Slog.d(TAG, "Writing task=" + task); |
| 547 | synchronized (mService.mGlobalLock) { |
| 548 | if (task.inRecents) { |
| 549 | // Still there. |
| 550 | try { |
| 551 | if (DEBUG) Slog.d(TAG, "Saving task=" + task); |
| 552 | stringWriter = saveToXml(task); |
| 553 | } catch (IOException e) { |
| 554 | } catch (XmlPullParserException e) { |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 555 | } |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 556 | } |
Garfield Tan | a354983 | 2018-09-24 15:22:18 -0700 | [diff] [blame] | 557 | } |
| 558 | if (stringWriter != null) { |
| 559 | // Write out xml file while not holding mService lock. |
| 560 | FileOutputStream file = null; |
| 561 | AtomicFile atomicFile = null; |
| 562 | try { |
Wale Ogunwale | 4e79a1c | 2019-10-05 20:52:40 -0700 | [diff] [blame] | 563 | File userTasksDir = getUserTasksDir(task.mUserId); |
Garfield Tan | 0d407f4 | 2019-03-07 11:47:01 -0800 | [diff] [blame] | 564 | if (!userTasksDir.isDirectory() && !userTasksDir.mkdirs()) { |
Wale Ogunwale | 4e79a1c | 2019-10-05 20:52:40 -0700 | [diff] [blame] | 565 | Slog.e(TAG, "Failure creating tasks directory for user " + task.mUserId |
Garfield Tan | 0d407f4 | 2019-03-07 11:47:01 -0800 | [diff] [blame] | 566 | + ": " + userTasksDir + " Dropping persistence for task " + task); |
| 567 | return; |
| 568 | } |
| 569 | atomicFile = new AtomicFile(new File(userTasksDir, |
Wale Ogunwale | 4e79a1c | 2019-10-05 20:52:40 -0700 | [diff] [blame] | 570 | String.valueOf(task.mTaskId) + TASK_FILENAME_SUFFIX)); |
Garfield Tan | a354983 | 2018-09-24 15:22:18 -0700 | [diff] [blame] | 571 | file = atomicFile.startWrite(); |
| 572 | file.write(stringWriter.toString().getBytes()); |
| 573 | file.write('\n'); |
| 574 | atomicFile.finishWrite(file); |
| 575 | } catch (IOException e) { |
| 576 | if (file != null) { |
| 577 | atomicFile.failWrite(file); |
| 578 | } |
| 579 | Slog.e(TAG, |
| 580 | "Unable to open " + atomicFile + " for persisting. " + e); |
| 581 | } |
Makoto Onuki | 62a93aa | 2017-08-08 10:24:59 -0700 | [diff] [blame] | 582 | } |
| 583 | } |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 584 | |
Garfield Tan | a354983 | 2018-09-24 15:22:18 -0700 | [diff] [blame] | 585 | @Override |
| 586 | public String toString() { |
| 587 | return "TaskWriteQueueItem{task=" + mTask + "}"; |
| 588 | } |
| 589 | } |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 590 | |
Garfield Tan | 891146c | 2018-10-09 12:14:00 -0700 | [diff] [blame] | 591 | private static class ImageWriteQueueItem implements |
| 592 | PersisterQueue.WriteQueueItem<ImageWriteQueueItem> { |
Garfield Tan | a354983 | 2018-09-24 15:22:18 -0700 | [diff] [blame] | 593 | final String mFilePath; |
| 594 | Bitmap mImage; |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 595 | |
Garfield Tan | a354983 | 2018-09-24 15:22:18 -0700 | [diff] [blame] | 596 | ImageWriteQueueItem(String filePath, Bitmap image) { |
| 597 | mFilePath = filePath; |
| 598 | mImage = image; |
| 599 | } |
Makoto Onuki | 62a93aa | 2017-08-08 10:24:59 -0700 | [diff] [blame] | 600 | |
Garfield Tan | a354983 | 2018-09-24 15:22:18 -0700 | [diff] [blame] | 601 | @Override |
| 602 | public void process() { |
| 603 | final String filePath = mFilePath; |
| 604 | if (!createParentDirectory(filePath)) { |
| 605 | Slog.e(TAG, "Error while creating images directory for file: " + filePath); |
| 606 | return; |
Makoto Onuki | 62a93aa | 2017-08-08 10:24:59 -0700 | [diff] [blame] | 607 | } |
Garfield Tan | a354983 | 2018-09-24 15:22:18 -0700 | [diff] [blame] | 608 | final Bitmap bitmap = mImage; |
| 609 | if (DEBUG) Slog.d(TAG, "writing bitmap: filename=" + filePath); |
| 610 | FileOutputStream imageFile = null; |
| 611 | try { |
| 612 | imageFile = new FileOutputStream(new File(filePath)); |
| 613 | bitmap.compress(Bitmap.CompressFormat.PNG, 100, imageFile); |
| 614 | } catch (Exception e) { |
| 615 | Slog.e(TAG, "saveImage: unable to save " + filePath, e); |
| 616 | } finally { |
| 617 | IoUtils.closeQuietly(imageFile); |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 618 | } |
| 619 | } |
Garfield Tan | a354983 | 2018-09-24 15:22:18 -0700 | [diff] [blame] | 620 | |
| 621 | @Override |
Garfield Tan | 891146c | 2018-10-09 12:14:00 -0700 | [diff] [blame] | 622 | public boolean matches(ImageWriteQueueItem item) { |
| 623 | return mFilePath.equals(item.mFilePath); |
| 624 | } |
| 625 | |
| 626 | @Override |
| 627 | public void updateFrom(ImageWriteQueueItem item) { |
| 628 | mImage = item.mImage; |
| 629 | } |
| 630 | |
| 631 | @Override |
Garfield Tan | a354983 | 2018-09-24 15:22:18 -0700 | [diff] [blame] | 632 | public String toString() { |
| 633 | return "ImageWriteQueueItem{path=" + mFilePath |
| 634 | + ", image=(" + mImage.getWidth() + "x" + mImage.getHeight() + ")}"; |
| 635 | } |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 636 | } |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 637 | } |