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 | |
| 17 | package com.android.server.am; |
| 18 | |
| 19 | import android.graphics.Bitmap; |
| 20 | import android.graphics.BitmapFactory; |
| 21 | import android.os.Debug; |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame^] | 22 | import android.os.Environment; |
| 23 | import android.os.FileUtils; |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 24 | import android.os.SystemClock; |
| 25 | import android.util.ArraySet; |
| 26 | import android.util.AtomicFile; |
| 27 | import android.util.Slog; |
| 28 | import android.util.Xml; |
Riley Andrews | f16c2e8 | 2015-06-02 18:24:48 -0700 | [diff] [blame] | 29 | import android.os.Process; |
Wale Ogunwale | 18795a2 | 2014-12-03 11:38:33 -0800 | [diff] [blame] | 30 | |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 31 | import com.android.internal.util.FastXmlSerializer; |
| 32 | import com.android.internal.util.XmlUtils; |
Wale Ogunwale | 18795a2 | 2014-12-03 11:38:33 -0800 | [diff] [blame] | 33 | |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 34 | import org.xmlpull.v1.XmlPullParser; |
| 35 | import org.xmlpull.v1.XmlPullParserException; |
| 36 | import org.xmlpull.v1.XmlSerializer; |
| 37 | |
| 38 | import java.io.BufferedReader; |
| 39 | import java.io.File; |
| 40 | import java.io.FileOutputStream; |
| 41 | import java.io.FileReader; |
| 42 | import java.io.IOException; |
| 43 | import java.io.StringWriter; |
| 44 | import java.util.ArrayList; |
| 45 | import java.util.Arrays; |
| 46 | import java.util.Comparator; |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame^] | 47 | import java.util.List; |
Wale Ogunwale | 18795a2 | 2014-12-03 11:38:33 -0800 | [diff] [blame] | 48 | |
| 49 | import libcore.io.IoUtils; |
| 50 | |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 51 | public class TaskPersister { |
| 52 | static final String TAG = "TaskPersister"; |
Stefan Kuhne | e88d1e5 | 2015-05-18 10:33:45 -0700 | [diff] [blame] | 53 | static final boolean DEBUG = false; |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 54 | |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 55 | /** When not flushing don't write out files faster than this */ |
| 56 | private static final long INTER_WRITE_DELAY_MS = 500; |
| 57 | |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame^] | 58 | /** |
| 59 | * When not flushing delay this long before writing the first file out. This gives the next task |
| 60 | * being launched a chance to load its resources without this occupying IO bandwidth. |
| 61 | */ |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 62 | private static final long PRE_TASK_DELAY_MS = 3000; |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 63 | |
Craig Mautner | 63f1090 | 2014-09-16 23:57:21 -0700 | [diff] [blame] | 64 | /** The maximum number of entries to keep in the queue before draining it automatically. */ |
| 65 | private static final int MAX_WRITE_QUEUE_LENGTH = 6; |
| 66 | |
| 67 | /** Special value for mWriteTime to mean don't wait, just write */ |
| 68 | private static final long FLUSH_QUEUE = -1; |
| 69 | |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 70 | private static final String RECENTS_FILENAME = "_task"; |
| 71 | private static final String TASKS_DIRNAME = "recent_tasks"; |
| 72 | private static final String TASK_EXTENSION = ".xml"; |
| 73 | private static final String IMAGES_DIRNAME = "recent_images"; |
Craig Mautner | c0ffce5 | 2014-07-01 12:38:52 -0700 | [diff] [blame] | 74 | static final String IMAGE_EXTENSION = ".png"; |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 75 | |
| 76 | private static final String TAG_TASK = "task"; |
| 77 | |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 78 | private final ActivityManagerService mService; |
| 79 | private final ActivityStackSupervisor mStackSupervisor; |
Wale Ogunwale | c82f2f5 | 2014-12-09 09:32:50 -0800 | [diff] [blame] | 80 | private final RecentTasks mRecentTasks; |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 81 | |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame^] | 82 | /** |
| 83 | * Value determines write delay mode as follows: < 0 We are Flushing. No delays between writes |
| 84 | * until the image queue is drained and all tasks needing persisting are written to disk. There |
| 85 | * is no delay between writes. == 0 We are Idle. Next writes will be delayed by |
| 86 | * #PRE_TASK_DELAY_MS. > 0 We are Actively writing. Next write will be at this time. Subsequent |
| 87 | * writes will be delayed by #INTER_WRITE_DELAY_MS. |
| 88 | */ |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 89 | private long mNextWriteTime = 0; |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 90 | |
| 91 | private final LazyTaskWriterThread mLazyTaskWriterThread; |
| 92 | |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 93 | private static class WriteQueueItem {} |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame^] | 94 | |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 95 | private static class TaskWriteQueueItem extends WriteQueueItem { |
| 96 | final TaskRecord mTask; |
Winson | c809cbb | 2015-11-02 12:06:15 -0800 | [diff] [blame] | 97 | |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 98 | TaskWriteQueueItem(TaskRecord task) { |
| 99 | mTask = task; |
| 100 | } |
| 101 | } |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame^] | 102 | |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 103 | private static class ImageWriteQueueItem extends WriteQueueItem { |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame^] | 104 | final String mFilePath; |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 105 | Bitmap mImage; |
Winson | c809cbb | 2015-11-02 12:06:15 -0800 | [diff] [blame] | 106 | |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame^] | 107 | ImageWriteQueueItem(String filePath, Bitmap image) { |
| 108 | mFilePath = filePath; |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 109 | mImage = image; |
| 110 | } |
| 111 | } |
| 112 | |
| 113 | ArrayList<WriteQueueItem> mWriteQueue = new ArrayList<WriteQueueItem>(); |
| 114 | |
Wale Ogunwale | c82f2f5 | 2014-12-09 09:32:50 -0800 | [diff] [blame] | 115 | TaskPersister(File systemDir, ActivityStackSupervisor stackSupervisor, |
| 116 | RecentTasks recentTasks) { |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame^] | 117 | |
| 118 | final File legacyImagesDir = new File(systemDir, IMAGES_DIRNAME); |
| 119 | if (legacyImagesDir.exists()) { |
| 120 | if (!FileUtils.deleteContents(legacyImagesDir) || !legacyImagesDir.delete()) { |
| 121 | Slog.i(TAG, "Failure deleting legacy images directory: " + legacyImagesDir); |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 122 | } |
| 123 | } |
| 124 | |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame^] | 125 | final File legacyTasksDir = new File(systemDir, TASKS_DIRNAME); |
| 126 | if (legacyTasksDir.exists()) { |
| 127 | if (!FileUtils.deleteContents(legacyTasksDir) || !legacyTasksDir.delete()) { |
| 128 | Slog.i(TAG, "Failure deleting legacy tasks directory: " + legacyTasksDir); |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 129 | } |
| 130 | } |
| 131 | |
| 132 | mStackSupervisor = stackSupervisor; |
| 133 | mService = stackSupervisor.mService; |
Wale Ogunwale | c82f2f5 | 2014-12-09 09:32:50 -0800 | [diff] [blame] | 134 | mRecentTasks = recentTasks; |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 135 | mLazyTaskWriterThread = new LazyTaskWriterThread("LazyTaskWriterThread"); |
| 136 | } |
| 137 | |
| 138 | void startPersisting() { |
Wale Ogunwale | c82f2f5 | 2014-12-09 09:32:50 -0800 | [diff] [blame] | 139 | if (!mLazyTaskWriterThread.isAlive()) { |
| 140 | mLazyTaskWriterThread.start(); |
| 141 | } |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 142 | } |
| 143 | |
Craig Mautner | 63f1090 | 2014-09-16 23:57:21 -0700 | [diff] [blame] | 144 | private void removeThumbnails(TaskRecord task) { |
| 145 | final String taskString = Integer.toString(task.taskId); |
| 146 | for (int queueNdx = mWriteQueue.size() - 1; queueNdx >= 0; --queueNdx) { |
| 147 | final WriteQueueItem item = mWriteQueue.get(queueNdx); |
| 148 | if (item instanceof ImageWriteQueueItem && |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame^] | 149 | ((ImageWriteQueueItem) item).mFilePath.startsWith(taskString)) { |
| 150 | if (DEBUG) Slog.d(TAG, "Removing " + ((ImageWriteQueueItem) item).mFilePath + |
Stefan Kuhne | e88d1e5 | 2015-05-18 10:33:45 -0700 | [diff] [blame] | 151 | " from write queue"); |
Craig Mautner | 63f1090 | 2014-09-16 23:57:21 -0700 | [diff] [blame] | 152 | mWriteQueue.remove(queueNdx); |
| 153 | } |
| 154 | } |
| 155 | } |
| 156 | |
| 157 | private void yieldIfQueueTooDeep() { |
| 158 | boolean stall = false; |
| 159 | synchronized (this) { |
| 160 | if (mNextWriteTime == FLUSH_QUEUE) { |
| 161 | stall = true; |
| 162 | } |
| 163 | } |
| 164 | if (stall) { |
| 165 | Thread.yield(); |
| 166 | } |
| 167 | } |
| 168 | |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 169 | void wakeup(TaskRecord task, boolean flush) { |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 170 | synchronized (this) { |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 171 | if (task != null) { |
| 172 | int queueNdx; |
| 173 | for (queueNdx = mWriteQueue.size() - 1; queueNdx >= 0; --queueNdx) { |
| 174 | final WriteQueueItem item = mWriteQueue.get(queueNdx); |
| 175 | if (item instanceof TaskWriteQueueItem && |
| 176 | ((TaskWriteQueueItem) item).mTask == task) { |
Craig Mautner | 63f1090 | 2014-09-16 23:57:21 -0700 | [diff] [blame] | 177 | if (!task.inRecents) { |
| 178 | // This task is being removed. |
| 179 | removeThumbnails(task); |
| 180 | } |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 181 | break; |
| 182 | } |
| 183 | } |
Wale Ogunwale | be23ff4 | 2014-10-21 16:29:51 -0700 | [diff] [blame] | 184 | if (queueNdx < 0 && task.isPersistable) { |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 185 | mWriteQueue.add(new TaskWriteQueueItem(task)); |
| 186 | } |
| 187 | } else { |
| 188 | // Dummy. |
| 189 | mWriteQueue.add(new WriteQueueItem()); |
| 190 | } |
Craig Mautner | 63f1090 | 2014-09-16 23:57:21 -0700 | [diff] [blame] | 191 | if (flush || mWriteQueue.size() > MAX_WRITE_QUEUE_LENGTH) { |
| 192 | mNextWriteTime = FLUSH_QUEUE; |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 193 | } else if (mNextWriteTime == 0) { |
| 194 | mNextWriteTime = SystemClock.uptimeMillis() + PRE_TASK_DELAY_MS; |
| 195 | } |
Stefan Kuhne | e88d1e5 | 2015-05-18 10:33:45 -0700 | [diff] [blame] | 196 | if (DEBUG) Slog.d(TAG, "wakeup: task=" + task + " flush=" + flush + " mNextWriteTime=" |
| 197 | + mNextWriteTime + " mWriteQueue.size=" + mWriteQueue.size() |
| 198 | + " Callers=" + Debug.getCallers(4)); |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 199 | notifyAll(); |
| 200 | } |
Craig Mautner | 63f1090 | 2014-09-16 23:57:21 -0700 | [diff] [blame] | 201 | |
| 202 | yieldIfQueueTooDeep(); |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 203 | } |
| 204 | |
Dianne Hackborn | ce0fd76 | 2014-09-19 12:58:15 -0700 | [diff] [blame] | 205 | void flush() { |
| 206 | synchronized (this) { |
| 207 | mNextWriteTime = FLUSH_QUEUE; |
| 208 | notifyAll(); |
| 209 | do { |
| 210 | try { |
| 211 | wait(); |
| 212 | } catch (InterruptedException e) { |
| 213 | } |
| 214 | } while (mNextWriteTime == FLUSH_QUEUE); |
| 215 | } |
| 216 | } |
| 217 | |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame^] | 218 | void saveImage(Bitmap image, String filePath) { |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 219 | synchronized (this) { |
| 220 | int queueNdx; |
| 221 | for (queueNdx = mWriteQueue.size() - 1; queueNdx >= 0; --queueNdx) { |
| 222 | final WriteQueueItem item = mWriteQueue.get(queueNdx); |
| 223 | if (item instanceof ImageWriteQueueItem) { |
| 224 | ImageWriteQueueItem imageWriteQueueItem = (ImageWriteQueueItem) item; |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame^] | 225 | if (imageWriteQueueItem.mFilePath.equals(filePath)) { |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 226 | // replace the Bitmap with the new one. |
| 227 | imageWriteQueueItem.mImage = image; |
| 228 | break; |
| 229 | } |
| 230 | } |
| 231 | } |
| 232 | if (queueNdx < 0) { |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame^] | 233 | mWriteQueue.add(new ImageWriteQueueItem(filePath, image)); |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 234 | } |
Craig Mautner | 63f1090 | 2014-09-16 23:57:21 -0700 | [diff] [blame] | 235 | if (mWriteQueue.size() > MAX_WRITE_QUEUE_LENGTH) { |
| 236 | mNextWriteTime = FLUSH_QUEUE; |
| 237 | } else if (mNextWriteTime == 0) { |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 238 | mNextWriteTime = SystemClock.uptimeMillis() + PRE_TASK_DELAY_MS; |
| 239 | } |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame^] | 240 | if (DEBUG) Slog.d(TAG, "saveImage: filePath=" + filePath + " now=" + |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 241 | SystemClock.uptimeMillis() + " mNextWriteTime=" + |
| 242 | mNextWriteTime + " Callers=" + Debug.getCallers(4)); |
| 243 | notifyAll(); |
| 244 | } |
Craig Mautner | 63f1090 | 2014-09-16 23:57:21 -0700 | [diff] [blame] | 245 | |
| 246 | yieldIfQueueTooDeep(); |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 247 | } |
| 248 | |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame^] | 249 | Bitmap getTaskDescriptionIcon(String filePath) { |
Craig Mautner | 648f69b | 2014-09-18 14:16:26 -0700 | [diff] [blame] | 250 | // See if it is in the write queue |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame^] | 251 | final Bitmap icon = getImageFromWriteQueue(filePath); |
Craig Mautner | 648f69b | 2014-09-18 14:16:26 -0700 | [diff] [blame] | 252 | if (icon != null) { |
| 253 | return icon; |
| 254 | } |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame^] | 255 | return restoreImage(filePath); |
Craig Mautner | 648f69b | 2014-09-18 14:16:26 -0700 | [diff] [blame] | 256 | } |
| 257 | |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame^] | 258 | Bitmap getImageFromWriteQueue(String filePath) { |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 259 | synchronized (this) { |
| 260 | for (int queueNdx = mWriteQueue.size() - 1; queueNdx >= 0; --queueNdx) { |
| 261 | final WriteQueueItem item = mWriteQueue.get(queueNdx); |
| 262 | if (item instanceof ImageWriteQueueItem) { |
| 263 | ImageWriteQueueItem imageWriteQueueItem = (ImageWriteQueueItem) item; |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame^] | 264 | if (imageWriteQueueItem.mFilePath.equals(filePath)) { |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 265 | return imageWriteQueueItem.mImage; |
| 266 | } |
| 267 | } |
| 268 | } |
| 269 | return null; |
| 270 | } |
| 271 | } |
| 272 | |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 273 | private StringWriter saveToXml(TaskRecord task) throws IOException, XmlPullParserException { |
Stefan Kuhne | e88d1e5 | 2015-05-18 10:33:45 -0700 | [diff] [blame] | 274 | if (DEBUG) Slog.d(TAG, "saveToXml: task=" + task); |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 275 | final XmlSerializer xmlSerializer = new FastXmlSerializer(); |
| 276 | StringWriter stringWriter = new StringWriter(); |
| 277 | xmlSerializer.setOutput(stringWriter); |
| 278 | |
Stefan Kuhne | e88d1e5 | 2015-05-18 10:33:45 -0700 | [diff] [blame] | 279 | if (DEBUG) xmlSerializer.setFeature( |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame^] | 280 | "http://xmlpull.org/v1/doc/features.html#indent-output", true); |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 281 | |
| 282 | // save task |
| 283 | xmlSerializer.startDocument(null, true); |
| 284 | |
| 285 | xmlSerializer.startTag(null, TAG_TASK); |
| 286 | task.saveToXml(xmlSerializer); |
| 287 | xmlSerializer.endTag(null, TAG_TASK); |
| 288 | |
| 289 | xmlSerializer.endDocument(); |
| 290 | xmlSerializer.flush(); |
| 291 | |
| 292 | return stringWriter; |
| 293 | } |
| 294 | |
Craig Mautner | 77b0426 | 2014-06-27 15:22:12 -0700 | [diff] [blame] | 295 | private String fileToString(File file) { |
| 296 | final String newline = System.lineSeparator(); |
| 297 | try { |
| 298 | BufferedReader reader = new BufferedReader(new FileReader(file)); |
| 299 | StringBuffer sb = new StringBuffer((int) file.length() * 2); |
| 300 | String line; |
| 301 | while ((line = reader.readLine()) != null) { |
| 302 | sb.append(line + newline); |
| 303 | } |
| 304 | reader.close(); |
| 305 | return sb.toString(); |
| 306 | } catch (IOException ioe) { |
| 307 | Slog.e(TAG, "Couldn't read file " + file.getName()); |
| 308 | return null; |
| 309 | } |
| 310 | } |
| 311 | |
Craig Mautner | a228ae9 | 2014-07-09 05:44:55 -0700 | [diff] [blame] | 312 | private TaskRecord taskIdToTask(int taskId, ArrayList<TaskRecord> tasks) { |
| 313 | if (taskId < 0) { |
| 314 | return null; |
| 315 | } |
| 316 | for (int taskNdx = tasks.size() - 1; taskNdx >= 0; --taskNdx) { |
| 317 | final TaskRecord task = tasks.get(taskNdx); |
| 318 | if (task.taskId == taskId) { |
| 319 | return task; |
| 320 | } |
| 321 | } |
| 322 | Slog.e(TAG, "Restore affiliation error looking for taskId=" + taskId); |
| 323 | return null; |
| 324 | } |
| 325 | |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame^] | 326 | private List<TaskRecord> restoreTasksForUserLocked(final int userId) { |
| 327 | final List<TaskRecord> tasks = new ArrayList<TaskRecord>(); |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 328 | ArraySet<Integer> recoveredTaskIds = new ArraySet<Integer>(); |
| 329 | |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame^] | 330 | File userTasksDir = getUserTasksDir(userId); |
| 331 | |
| 332 | File[] recentFiles = userTasksDir.listFiles(); |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 333 | if (recentFiles == null) { |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame^] | 334 | Slog.e(TAG, "restoreTasksForUser: Unable to list files from " + userTasksDir); |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 335 | return tasks; |
| 336 | } |
| 337 | |
| 338 | for (int taskNdx = 0; taskNdx < recentFiles.length; ++taskNdx) { |
| 339 | File taskFile = recentFiles[taskNdx]; |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame^] | 340 | if (DEBUG) Slog.d(TAG, "restoreTasksForUser: userId=" + userId |
| 341 | + ", taskFile=" + taskFile.getName()); |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 342 | BufferedReader reader = null; |
Craig Mautner | e0129b3 | 2014-05-25 16:41:09 -0700 | [diff] [blame] | 343 | boolean deleteFile = false; |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 344 | try { |
| 345 | reader = new BufferedReader(new FileReader(taskFile)); |
| 346 | final XmlPullParser in = Xml.newPullParser(); |
| 347 | in.setInput(reader); |
| 348 | |
| 349 | int event; |
| 350 | while (((event = in.next()) != XmlPullParser.END_DOCUMENT) && |
| 351 | event != XmlPullParser.END_TAG) { |
| 352 | final String name = in.getName(); |
| 353 | if (event == XmlPullParser.START_TAG) { |
Stefan Kuhne | e88d1e5 | 2015-05-18 10:33:45 -0700 | [diff] [blame] | 354 | if (DEBUG) Slog.d(TAG, "restoreTasksLocked: START_TAG name=" + name); |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 355 | if (TAG_TASK.equals(name)) { |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame^] | 356 | final TaskRecord task = TaskRecord.restoreFromXml(in, mStackSupervisor); |
| 357 | if (DEBUG) Slog.d(TAG, "restoreTasksLocked: restored task=" |
| 358 | + task); |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 359 | if (task != null) { |
Dianne Hackborn | 852975d | 2014-08-22 17:42:43 -0700 | [diff] [blame] | 360 | // XXX Don't add to write queue... there is no reason to write |
| 361 | // out the stuff we just read, if we don't write it we will |
| 362 | // read the same thing again. |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame^] | 363 | // mWriteQueue.add(new TaskWriteQueueItem(task)); |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 364 | final int taskId = task.taskId; |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 365 | mStackSupervisor.setNextTaskId(taskId); |
Amith Yamasani | 515d406 | 2015-09-28 11:30:06 -0700 | [diff] [blame] | 366 | // Check if it's a valid user id. Don't add tasks for removed users. |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame^] | 367 | if (userId == task.userId) { |
Amith Yamasani | 515d406 | 2015-09-28 11:30:06 -0700 | [diff] [blame] | 368 | task.isPersistable = true; |
| 369 | tasks.add(task); |
| 370 | recoveredTaskIds.add(taskId); |
| 371 | } |
Craig Mautner | 77b0426 | 2014-06-27 15:22:12 -0700 | [diff] [blame] | 372 | } else { |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame^] | 373 | Slog.e(TAG, "restoreTasksForUser: Unable to restore taskFile=" |
| 374 | + taskFile + ": " + fileToString(taskFile)); |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 375 | } |
| 376 | } else { |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame^] | 377 | Slog.wtf(TAG, "restoreTasksForUser: Unknown xml event=" + event |
| 378 | + " name=" + name); |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 379 | } |
| 380 | } |
| 381 | XmlUtils.skipCurrentTag(in); |
| 382 | } |
Craig Mautner | e0129b3 | 2014-05-25 16:41:09 -0700 | [diff] [blame] | 383 | } catch (Exception e) { |
Craig Mautner | a228ae9 | 2014-07-09 05:44:55 -0700 | [diff] [blame] | 384 | Slog.wtf(TAG, "Unable to parse " + taskFile + ". Error ", e); |
Craig Mautner | 77b0426 | 2014-06-27 15:22:12 -0700 | [diff] [blame] | 385 | Slog.e(TAG, "Failing file: " + fileToString(taskFile)); |
Craig Mautner | e0129b3 | 2014-05-25 16:41:09 -0700 | [diff] [blame] | 386 | deleteFile = true; |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 387 | } finally { |
Wale Ogunwale | 18795a2 | 2014-12-03 11:38:33 -0800 | [diff] [blame] | 388 | IoUtils.closeQuietly(reader); |
Stefan Kuhne | e88d1e5 | 2015-05-18 10:33:45 -0700 | [diff] [blame] | 389 | if (deleteFile) { |
| 390 | if (DEBUG) Slog.d(TAG, "Deleting file=" + taskFile.getName()); |
Craig Mautner | e0129b3 | 2014-05-25 16:41:09 -0700 | [diff] [blame] | 391 | taskFile.delete(); |
| 392 | } |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 393 | } |
| 394 | } |
| 395 | |
Stefan Kuhne | e88d1e5 | 2015-05-18 10:33:45 -0700 | [diff] [blame] | 396 | if (!DEBUG) { |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame^] | 397 | removeObsoleteFiles(recoveredTaskIds, userTasksDir.listFiles()); |
| 398 | } |
| 399 | return tasks; |
| 400 | } |
| 401 | |
| 402 | ArrayList<TaskRecord> restoreTasksLocked(final int[] validUserIds) { |
| 403 | final ArrayList<TaskRecord> tasks = new ArrayList<TaskRecord>(); |
| 404 | |
| 405 | for (int userId : validUserIds) { |
| 406 | tasks.addAll(restoreTasksForUserLocked(userId)); |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 407 | } |
| 408 | |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame^] | 409 | // Fix up task affiliation from taskIds |
Craig Mautner | a228ae9 | 2014-07-09 05:44:55 -0700 | [diff] [blame] | 410 | for (int taskNdx = tasks.size() - 1; taskNdx >= 0; --taskNdx) { |
| 411 | final TaskRecord task = tasks.get(taskNdx); |
| 412 | task.setPrevAffiliate(taskIdToTask(task.mPrevAffiliateTaskId, tasks)); |
| 413 | task.setNextAffiliate(taskIdToTask(task.mNextAffiliateTaskId, tasks)); |
| 414 | } |
| 415 | |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 416 | TaskRecord[] tasksArray = new TaskRecord[tasks.size()]; |
| 417 | tasks.toArray(tasksArray); |
| 418 | Arrays.sort(tasksArray, new Comparator<TaskRecord>() { |
| 419 | @Override |
| 420 | public int compare(TaskRecord lhs, TaskRecord rhs) { |
Craig Mautner | 43e52ed | 2014-06-16 17:18:52 -0700 | [diff] [blame] | 421 | final long diff = rhs.mLastTimeMoved - lhs.mLastTimeMoved; |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 422 | if (diff < 0) { |
| 423 | return -1; |
| 424 | } else if (diff > 0) { |
| 425 | return +1; |
| 426 | } else { |
| 427 | return 0; |
| 428 | } |
| 429 | } |
| 430 | }); |
| 431 | |
| 432 | return new ArrayList<TaskRecord>(Arrays.asList(tasksArray)); |
| 433 | } |
| 434 | |
Craig Mautner | e0129b3 | 2014-05-25 16:41:09 -0700 | [diff] [blame] | 435 | private static void removeObsoleteFiles(ArraySet<Integer> persistentTaskIds, File[] files) { |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame^] | 436 | if (DEBUG) Slog.d(TAG, "removeObsoleteFiles: persistentTaskIds=" + persistentTaskIds + |
Stefan Kuhne | e88d1e5 | 2015-05-18 10:33:45 -0700 | [diff] [blame] | 437 | " files=" + files); |
Craig Mautner | a5badf0 | 2014-09-11 12:47:03 -0700 | [diff] [blame] | 438 | if (files == null) { |
| 439 | Slog.e(TAG, "File error accessing recents directory (too many files open?)."); |
| 440 | return; |
| 441 | } |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 442 | for (int fileNdx = 0; fileNdx < files.length; ++fileNdx) { |
| 443 | File file = files[fileNdx]; |
| 444 | String filename = file.getName(); |
Craig Mautner | ffcfcaa | 2014-06-05 09:54:38 -0700 | [diff] [blame] | 445 | final int taskIdEnd = filename.indexOf('_'); |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 446 | if (taskIdEnd > 0) { |
| 447 | final int taskId; |
| 448 | try { |
| 449 | taskId = Integer.valueOf(filename.substring(0, taskIdEnd)); |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame^] | 450 | if (DEBUG) Slog.d(TAG, "removeObsoleteFiles: Found taskId=" + taskId); |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 451 | } catch (Exception e) { |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame^] | 452 | Slog.wtf(TAG, "removeObsoleteFiles: Can't parse file=" + file.getName()); |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 453 | file.delete(); |
| 454 | continue; |
| 455 | } |
| 456 | if (!persistentTaskIds.contains(taskId)) { |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame^] | 457 | if (DEBUG) Slog.d(TAG, "removeObsoleteFiles: deleting file=" + file.getName()); |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 458 | file.delete(); |
| 459 | } |
| 460 | } |
| 461 | } |
| 462 | } |
| 463 | |
| 464 | private void removeObsoleteFiles(ArraySet<Integer> persistentTaskIds) { |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame^] | 465 | for (int userId : mService.getRunningUserIds()) { |
| 466 | removeObsoleteFiles(persistentTaskIds, getUserImagesDir(userId).listFiles()); |
| 467 | removeObsoleteFiles(persistentTaskIds, getUserTasksDir(userId).listFiles()); |
| 468 | } |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 469 | } |
| 470 | |
| 471 | static Bitmap restoreImage(String filename) { |
Stefan Kuhne | e88d1e5 | 2015-05-18 10:33:45 -0700 | [diff] [blame] | 472 | if (DEBUG) Slog.d(TAG, "restoreImage: restoring " + filename); |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame^] | 473 | return BitmapFactory.decodeFile(filename); |
| 474 | } |
| 475 | |
| 476 | static File getUserTasksDir(int userId) { |
| 477 | File userTasksDir = new File(Environment.getUserSystemDirectory(userId), TASKS_DIRNAME); |
| 478 | |
| 479 | if (!userTasksDir.exists()) { |
| 480 | if (!userTasksDir.mkdir()) { |
| 481 | Slog.e(TAG, "Failure creating tasks directory for user " + userId + ": " |
| 482 | + userTasksDir); |
| 483 | } |
| 484 | } |
| 485 | return userTasksDir; |
| 486 | } |
| 487 | |
| 488 | static File getUserImagesDir(int userId) { |
| 489 | File userImagesDir = new File(Environment.getUserSystemDirectory(userId), IMAGES_DIRNAME); |
| 490 | |
| 491 | if (!userImagesDir.exists()) { |
| 492 | if (!userImagesDir.mkdir()) { |
| 493 | Slog.e(TAG, "Failure creating images directory for user " + userId + ": " |
| 494 | + userImagesDir); |
| 495 | } |
| 496 | } |
| 497 | return userImagesDir; |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 498 | } |
| 499 | |
| 500 | private class LazyTaskWriterThread extends Thread { |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 501 | |
| 502 | LazyTaskWriterThread(String name) { |
| 503 | super(name); |
| 504 | } |
| 505 | |
| 506 | @Override |
| 507 | public void run() { |
Riley Andrews | f16c2e8 | 2015-06-02 18:24:48 -0700 | [diff] [blame] | 508 | Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 509 | ArraySet<Integer> persistentTaskIds = new ArraySet<Integer>(); |
| 510 | while (true) { |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 511 | // We can't lock mService while holding TaskPersister.this, but we don't want to |
| 512 | // call removeObsoleteFiles every time through the loop, only the last time before |
| 513 | // going to sleep. The risk is that we call removeObsoleteFiles() successively. |
| 514 | final boolean probablyDone; |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 515 | synchronized (TaskPersister.this) { |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 516 | probablyDone = mWriteQueue.isEmpty(); |
| 517 | } |
| 518 | if (probablyDone) { |
Stefan Kuhne | e88d1e5 | 2015-05-18 10:33:45 -0700 | [diff] [blame] | 519 | if (DEBUG) Slog.d(TAG, "Looking for obsolete files."); |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 520 | persistentTaskIds.clear(); |
| 521 | synchronized (mService) { |
Stefan Kuhne | e88d1e5 | 2015-05-18 10:33:45 -0700 | [diff] [blame] | 522 | if (DEBUG) Slog.d(TAG, "mRecents=" + mRecentTasks); |
Wale Ogunwale | c82f2f5 | 2014-12-09 09:32:50 -0800 | [diff] [blame] | 523 | for (int taskNdx = mRecentTasks.size() - 1; taskNdx >= 0; --taskNdx) { |
| 524 | final TaskRecord task = mRecentTasks.get(taskNdx); |
Stefan Kuhne | e88d1e5 | 2015-05-18 10:33:45 -0700 | [diff] [blame] | 525 | if (DEBUG) Slog.d(TAG, "LazyTaskWriter: task=" + task + |
Wale Ogunwale | be23ff4 | 2014-10-21 16:29:51 -0700 | [diff] [blame] | 526 | " persistable=" + task.isPersistable); |
| 527 | if ((task.isPersistable || task.inRecents) |
Wale Ogunwale | 18795a2 | 2014-12-03 11:38:33 -0800 | [diff] [blame] | 528 | && (task.stack == null || !task.stack.isHomeStack())) { |
Stefan Kuhne | e88d1e5 | 2015-05-18 10:33:45 -0700 | [diff] [blame] | 529 | if (DEBUG) Slog.d(TAG, "adding to persistentTaskIds task=" + task); |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 530 | persistentTaskIds.add(task.taskId); |
| 531 | } else { |
Stefan Kuhne | e88d1e5 | 2015-05-18 10:33:45 -0700 | [diff] [blame] | 532 | if (DEBUG) Slog.d(TAG, |
Wale Ogunwale | be23ff4 | 2014-10-21 16:29:51 -0700 | [diff] [blame] | 533 | "omitting from persistentTaskIds task=" + task); |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 534 | } |
| 535 | } |
| 536 | } |
| 537 | removeObsoleteFiles(persistentTaskIds); |
| 538 | } |
| 539 | |
| 540 | // If mNextWriteTime, then don't delay between each call to saveToXml(). |
| 541 | final WriteQueueItem item; |
| 542 | synchronized (TaskPersister.this) { |
Craig Mautner | 63f1090 | 2014-09-16 23:57:21 -0700 | [diff] [blame] | 543 | if (mNextWriteTime != FLUSH_QUEUE) { |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 544 | // The next write we don't have to wait so long. |
| 545 | mNextWriteTime = SystemClock.uptimeMillis() + INTER_WRITE_DELAY_MS; |
Stefan Kuhne | e88d1e5 | 2015-05-18 10:33:45 -0700 | [diff] [blame] | 546 | if (DEBUG) Slog.d(TAG, "Next write time may be in " + |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 547 | INTER_WRITE_DELAY_MS + " msec. (" + mNextWriteTime + ")"); |
| 548 | } |
| 549 | |
| 550 | while (mWriteQueue.isEmpty()) { |
Dianne Hackborn | ce0fd76 | 2014-09-19 12:58:15 -0700 | [diff] [blame] | 551 | if (mNextWriteTime != 0) { |
| 552 | mNextWriteTime = 0; // idle. |
| 553 | TaskPersister.this.notifyAll(); // wake up flush() if needed. |
| 554 | } |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 555 | try { |
Stefan Kuhne | e88d1e5 | 2015-05-18 10:33:45 -0700 | [diff] [blame] | 556 | if (DEBUG) Slog.d(TAG, "LazyTaskWriter: waiting indefinitely."); |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 557 | TaskPersister.this.wait(); |
| 558 | } catch (InterruptedException e) { |
| 559 | } |
Craig Mautner | 63f1090 | 2014-09-16 23:57:21 -0700 | [diff] [blame] | 560 | // Invariant: mNextWriteTime is either FLUSH_QUEUE or PRE_WRITE_DELAY_MS |
| 561 | // from now. |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 562 | } |
| 563 | item = mWriteQueue.remove(0); |
| 564 | |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 565 | long now = SystemClock.uptimeMillis(); |
Stefan Kuhne | e88d1e5 | 2015-05-18 10:33:45 -0700 | [diff] [blame] | 566 | if (DEBUG) Slog.d(TAG, "LazyTaskWriter: now=" + now + " mNextWriteTime=" + |
| 567 | mNextWriteTime + " mWriteQueue.size=" + mWriteQueue.size()); |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 568 | while (now < mNextWriteTime) { |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 569 | try { |
Stefan Kuhne | e88d1e5 | 2015-05-18 10:33:45 -0700 | [diff] [blame] | 570 | if (DEBUG) Slog.d(TAG, "LazyTaskWriter: waiting " + |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 571 | (mNextWriteTime - now)); |
| 572 | TaskPersister.this.wait(mNextWriteTime - now); |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 573 | } catch (InterruptedException e) { |
| 574 | } |
| 575 | now = SystemClock.uptimeMillis(); |
| 576 | } |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 577 | |
| 578 | // Got something to do. |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 579 | } |
| 580 | |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 581 | if (item instanceof ImageWriteQueueItem) { |
| 582 | ImageWriteQueueItem imageWriteQueueItem = (ImageWriteQueueItem) item; |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame^] | 583 | final String filePath = imageWriteQueueItem.mFilePath; |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 584 | final Bitmap bitmap = imageWriteQueueItem.mImage; |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame^] | 585 | if (DEBUG) Slog.d(TAG, "writing bitmap: filename=" + filePath); |
Craig Mautner | c0ffce5 | 2014-07-01 12:38:52 -0700 | [diff] [blame] | 586 | FileOutputStream imageFile = null; |
| 587 | try { |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame^] | 588 | imageFile = new FileOutputStream(new File(filePath)); |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 589 | bitmap.compress(Bitmap.CompressFormat.PNG, 100, imageFile); |
Craig Mautner | c0ffce5 | 2014-07-01 12:38:52 -0700 | [diff] [blame] | 590 | } catch (Exception e) { |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame^] | 591 | Slog.e(TAG, "saveImage: unable to save " + filePath, e); |
Craig Mautner | c0ffce5 | 2014-07-01 12:38:52 -0700 | [diff] [blame] | 592 | } finally { |
Wale Ogunwale | 18795a2 | 2014-12-03 11:38:33 -0800 | [diff] [blame] | 593 | IoUtils.closeQuietly(imageFile); |
Craig Mautner | c0ffce5 | 2014-07-01 12:38:52 -0700 | [diff] [blame] | 594 | } |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 595 | } else if (item instanceof TaskWriteQueueItem) { |
| 596 | // Write out one task. |
| 597 | StringWriter stringWriter = null; |
| 598 | TaskRecord task = ((TaskWriteQueueItem) item).mTask; |
Stefan Kuhne | e88d1e5 | 2015-05-18 10:33:45 -0700 | [diff] [blame] | 599 | if (DEBUG) Slog.d(TAG, "Writing task=" + task); |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 600 | synchronized (mService) { |
Craig Mautner | 63f1090 | 2014-09-16 23:57:21 -0700 | [diff] [blame] | 601 | if (task.inRecents) { |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 602 | // Still there. |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 603 | try { |
Stefan Kuhne | e88d1e5 | 2015-05-18 10:33:45 -0700 | [diff] [blame] | 604 | if (DEBUG) Slog.d(TAG, "Saving task=" + task); |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 605 | stringWriter = saveToXml(task); |
| 606 | } catch (IOException e) { |
| 607 | } catch (XmlPullParserException e) { |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 608 | } |
| 609 | } |
Dianne Hackborn | 852975d | 2014-08-22 17:42:43 -0700 | [diff] [blame] | 610 | } |
| 611 | if (stringWriter != null) { |
| 612 | // Write out xml file while not holding mService lock. |
| 613 | FileOutputStream file = null; |
| 614 | AtomicFile atomicFile = null; |
| 615 | try { |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame^] | 616 | atomicFile = new AtomicFile(new File( |
| 617 | getUserTasksDir(task.userId), |
| 618 | String.valueOf(task.taskId) + RECENTS_FILENAME |
| 619 | + TASK_EXTENSION)); |
Dianne Hackborn | 852975d | 2014-08-22 17:42:43 -0700 | [diff] [blame] | 620 | file = atomicFile.startWrite(); |
| 621 | file.write(stringWriter.toString().getBytes()); |
| 622 | file.write('\n'); |
| 623 | atomicFile.finishWrite(file); |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame^] | 624 | |
Dianne Hackborn | 852975d | 2014-08-22 17:42:43 -0700 | [diff] [blame] | 625 | } catch (IOException e) { |
| 626 | if (file != null) { |
| 627 | atomicFile.failWrite(file); |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 628 | } |
Suprabh Shukla | 2359314 | 2015-11-03 17:31:15 -0800 | [diff] [blame^] | 629 | Slog.e(TAG, |
| 630 | "Unable to open " + atomicFile + " for persisting. " + e); |
Craig Mautner | f4f8bb7 | 2014-07-29 10:41:40 -0700 | [diff] [blame] | 631 | } |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 632 | } |
| 633 | } |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 634 | } |
| 635 | } |
| 636 | } |
Craig Mautner | 21d24a2 | 2014-04-23 11:45:37 -0700 | [diff] [blame] | 637 | } |