Svetoslav Ganov | 4b9a4d1 | 2013-06-11 15:20:06 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2013 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.printspooler; |
| 18 | |
Svetoslav Ganov | 4b9a4d1 | 2013-06-11 15:20:06 -0700 | [diff] [blame] | 19 | import android.content.ComponentName; |
| 20 | import android.content.Context; |
| 21 | import android.os.AsyncTask; |
| 22 | import android.os.ParcelFileDescriptor; |
| 23 | import android.os.RemoteException; |
Svetoslav Ganov | 4b9a4d1 | 2013-06-11 15:20:06 -0700 | [diff] [blame] | 24 | import android.print.IPrintClient; |
Svetoslav Ganov | a002715 | 2013-06-25 14:59:53 -0700 | [diff] [blame] | 25 | import android.print.IPrintSpoolerClient; |
| 26 | import android.print.IPrinterDiscoveryObserver; |
Svetoslav Ganov | 4b9a4d1 | 2013-06-11 15:20:06 -0700 | [diff] [blame] | 27 | import android.print.PrintAttributes; |
| 28 | import android.print.PrintJobInfo; |
| 29 | import android.print.PrintManager; |
Svetoslav Ganov | a002715 | 2013-06-25 14:59:53 -0700 | [diff] [blame] | 30 | import android.print.PrintDocumentInfo; |
Svetoslav Ganov | 4b9a4d1 | 2013-06-11 15:20:06 -0700 | [diff] [blame] | 31 | import android.print.PrinterId; |
| 32 | import android.util.AtomicFile; |
| 33 | import android.util.Log; |
| 34 | import android.util.Slog; |
| 35 | import android.util.Xml; |
| 36 | |
| 37 | import com.android.internal.util.FastXmlSerializer; |
| 38 | |
Svetoslav Ganov | a002715 | 2013-06-25 14:59:53 -0700 | [diff] [blame] | 39 | import libcore.io.IoUtils; |
| 40 | |
| 41 | import org.xmlpull.v1.XmlPullParser; |
| 42 | import org.xmlpull.v1.XmlPullParserException; |
| 43 | import org.xmlpull.v1.XmlSerializer; |
| 44 | |
| 45 | import java.io.File; |
| 46 | import java.io.FileInputStream; |
| 47 | import java.io.FileNotFoundException; |
| 48 | import java.io.FileOutputStream; |
| 49 | import java.io.IOException; |
| 50 | import java.util.ArrayList; |
| 51 | import java.util.HashMap; |
| 52 | import java.util.List; |
| 53 | import java.util.Map; |
| 54 | |
Svetoslav Ganov | 4b9a4d1 | 2013-06-11 15:20:06 -0700 | [diff] [blame] | 55 | public class PrintSpooler { |
| 56 | |
| 57 | private static final String LOG_TAG = PrintSpooler.class.getSimpleName(); |
| 58 | |
| 59 | private static final boolean DEBUG_PRINT_JOB_LIFECYCLE = false; |
| 60 | |
| 61 | private static final boolean DEBUG_PERSISTENCE = false; |
| 62 | |
| 63 | private static final boolean PERSISTNECE_MANAGER_ENABLED = false; |
| 64 | |
| 65 | private static final String PRINT_FILE_EXTENSION = "pdf"; |
| 66 | |
| 67 | private static int sPrintJobIdCounter; |
| 68 | |
| 69 | private static final Object sLock = new Object(); |
| 70 | |
Svetoslav Ganov | 4b9a4d1 | 2013-06-11 15:20:06 -0700 | [diff] [blame] | 71 | private static PrintSpooler sInstance; |
| 72 | |
Svetoslav Ganov | a002715 | 2013-06-25 14:59:53 -0700 | [diff] [blame] | 73 | private final Object mLock = new Object(); |
| 74 | |
Svetoslav Ganov | 4b9a4d1 | 2013-06-11 15:20:06 -0700 | [diff] [blame] | 75 | private final List<PrintJobInfo> mPrintJobs = new ArrayList<PrintJobInfo>(); |
| 76 | |
| 77 | private final PersistenceManager mPersistanceManager; |
| 78 | |
| 79 | private final Context mContext; |
| 80 | |
Svetoslav Ganov | a002715 | 2013-06-25 14:59:53 -0700 | [diff] [blame] | 81 | public IPrintSpoolerClient mClient; |
Svetoslav Ganov | 4b9a4d1 | 2013-06-11 15:20:06 -0700 | [diff] [blame] | 82 | |
| 83 | public static PrintSpooler getInstance(Context context) { |
| 84 | synchronized (sLock) { |
| 85 | if (sInstance == null) { |
| 86 | sInstance = new PrintSpooler(context); |
| 87 | } |
| 88 | return sInstance; |
| 89 | } |
| 90 | } |
| 91 | |
| 92 | private PrintSpooler(Context context) { |
| 93 | mContext = context; |
| 94 | mPersistanceManager = new PersistenceManager(); |
| 95 | mPersistanceManager.readStateLocked(); |
Svetoslav Ganov | a002715 | 2013-06-25 14:59:53 -0700 | [diff] [blame] | 96 | } |
| 97 | |
| 98 | public void setCleint(IPrintSpoolerClient client) { |
| 99 | synchronized (mLock) { |
| 100 | mClient = client; |
| 101 | } |
| 102 | } |
| 103 | |
| 104 | public void startPrinterDiscovery(IPrinterDiscoveryObserver observer) { |
| 105 | IPrintSpoolerClient client = null; |
| 106 | synchronized (mLock) { |
| 107 | client = mClient; |
| 108 | } |
| 109 | if (client != null) { |
| 110 | try { |
| 111 | client.onStartPrinterDiscovery(observer); |
| 112 | } catch (RemoteException re) { |
| 113 | Log.e(LOG_TAG, "Error notifying start printer discovery.", re); |
| 114 | } |
| 115 | } |
| 116 | } |
| 117 | |
| 118 | public void stopPrinterDiscovery() { |
| 119 | IPrintSpoolerClient client = null; |
| 120 | synchronized (mLock) { |
| 121 | client = mClient; |
| 122 | } |
| 123 | if (client != null) { |
| 124 | try { |
| 125 | client.onStopPrinterDiscovery(); |
| 126 | } catch (RemoteException re) { |
| 127 | Log.e(LOG_TAG, "Error notifying stop printer discovery.", re); |
| 128 | } |
| 129 | } |
Svetoslav Ganov | 4b9a4d1 | 2013-06-11 15:20:06 -0700 | [diff] [blame] | 130 | } |
| 131 | |
| 132 | public List<PrintJobInfo> getPrintJobs(ComponentName componentName, int state, int appId) { |
| 133 | synchronized (mLock) { |
| 134 | List<PrintJobInfo> foundPrintJobs = null; |
| 135 | final int printJobCount = mPrintJobs.size(); |
| 136 | for (int i = 0; i < printJobCount; i++) { |
| 137 | PrintJobInfo printJob = mPrintJobs.get(i); |
| 138 | PrinterId printerId = printJob.getPrinterId(); |
| 139 | final boolean sameComponent = (componentName == null |
| 140 | || (printerId != null |
Svetoslav Ganov | a002715 | 2013-06-25 14:59:53 -0700 | [diff] [blame] | 141 | && componentName.equals(printerId.getService()))); |
Svetoslav Ganov | 4b9a4d1 | 2013-06-11 15:20:06 -0700 | [diff] [blame] | 142 | final boolean sameAppId = appId == PrintManager.APP_ID_ANY |
| 143 | || printJob.getAppId() == appId; |
| 144 | final boolean sameState = state == PrintJobInfo.STATE_ANY |
| 145 | || state == printJob.getState(); |
| 146 | if (sameComponent && sameAppId && sameState) { |
| 147 | if (foundPrintJobs == null) { |
| 148 | foundPrintJobs = new ArrayList<PrintJobInfo>(); |
| 149 | } |
| 150 | foundPrintJobs.add(printJob); |
| 151 | } |
| 152 | } |
| 153 | return foundPrintJobs; |
| 154 | } |
| 155 | } |
| 156 | |
| 157 | public PrintJobInfo getPrintJob(int printJobId, int appId) { |
| 158 | synchronized (mLock) { |
| 159 | final int printJobCount = mPrintJobs.size(); |
| 160 | for (int i = 0; i < printJobCount; i++) { |
| 161 | PrintJobInfo printJob = mPrintJobs.get(i); |
| 162 | if (printJob.getId() == printJobId |
| 163 | && (appId == PrintManager.APP_ID_ANY || appId == printJob.getAppId())) { |
| 164 | return printJob; |
| 165 | } |
| 166 | } |
| 167 | return null; |
| 168 | } |
| 169 | } |
| 170 | |
| 171 | public boolean cancelPrintJob(int printJobId, int appId) { |
| 172 | synchronized (mLock) { |
| 173 | PrintJobInfo printJob = getPrintJob(printJobId, appId); |
| 174 | if (printJob != null) { |
| 175 | switch (printJob.getState()) { |
Svetoslav Ganov | a002715 | 2013-06-25 14:59:53 -0700 | [diff] [blame] | 176 | case PrintJobInfo.STATE_CREATED: |
Svetoslav Ganov | 4b9a4d1 | 2013-06-11 15:20:06 -0700 | [diff] [blame] | 177 | case PrintJobInfo.STATE_QUEUED: { |
Svetoslav Ganov | a002715 | 2013-06-25 14:59:53 -0700 | [diff] [blame] | 178 | setPrintJobState(printJobId, PrintJobInfo.STATE_CANCELED); |
Svetoslav Ganov | 4b9a4d1 | 2013-06-11 15:20:06 -0700 | [diff] [blame] | 179 | } return true; |
Svetoslav Ganov | 4b9a4d1 | 2013-06-11 15:20:06 -0700 | [diff] [blame] | 180 | } |
| 181 | } |
| 182 | return false; |
| 183 | } |
| 184 | } |
| 185 | |
| 186 | public PrintJobInfo createPrintJob(CharSequence label, IPrintClient client, |
| 187 | PrintAttributes attributes, int appId) { |
| 188 | synchronized (mLock) { |
| 189 | final int printJobId = generatePrintJobIdLocked(); |
| 190 | PrintJobInfo printJob = new PrintJobInfo(); |
| 191 | printJob.setId(printJobId); |
| 192 | printJob.setAppId(appId); |
| 193 | printJob.setLabel(label); |
| 194 | printJob.setAttributes(attributes); |
| 195 | |
| 196 | addPrintJobLocked(printJob); |
| 197 | setPrintJobState(printJobId, PrintJobInfo.STATE_CREATED); |
| 198 | |
| 199 | return printJob; |
| 200 | } |
| 201 | } |
| 202 | |
Svetoslav Ganov | a002715 | 2013-06-25 14:59:53 -0700 | [diff] [blame] | 203 | public void notifyClientForActivteJobs() { |
| 204 | IPrintSpoolerClient client = null; |
| 205 | Map<ComponentName, List<PrintJobInfo>> activeJobsPerServiceMap = |
| 206 | new HashMap<ComponentName, List<PrintJobInfo>>(); |
| 207 | |
| 208 | synchronized(mLock) { |
| 209 | if (mClient == null) { |
| 210 | throw new IllegalStateException("Client cannot be null."); |
| 211 | } |
| 212 | client = mClient; |
| 213 | |
| 214 | final int printJobCount = mPrintJobs.size(); |
| 215 | for (int i = 0; i < printJobCount; i++) { |
| 216 | PrintJobInfo printJob = mPrintJobs.get(i); |
| 217 | switch (printJob.getState()) { |
| 218 | case PrintJobInfo.STATE_CREATED: { |
| 219 | /* skip - not ready to be handled by a service */ |
| 220 | } break; |
| 221 | |
| 222 | case PrintJobInfo.STATE_QUEUED: |
| 223 | case PrintJobInfo.STATE_STARTED: { |
| 224 | ComponentName service = printJob.getPrinterId().getService(); |
| 225 | List<PrintJobInfo> jobsPerService = activeJobsPerServiceMap.get(service); |
| 226 | if (jobsPerService == null) { |
| 227 | jobsPerService = new ArrayList<PrintJobInfo>(); |
| 228 | activeJobsPerServiceMap.put(service, jobsPerService); |
| 229 | } |
| 230 | jobsPerService.add(printJob); |
| 231 | } break; |
| 232 | |
| 233 | default: { |
| 234 | ComponentName service = printJob.getPrinterId().getService(); |
| 235 | if (!activeJobsPerServiceMap.containsKey(service)) { |
| 236 | activeJobsPerServiceMap.put(service, null); |
| 237 | } |
| 238 | } |
| 239 | } |
| 240 | } |
| 241 | } |
| 242 | |
| 243 | boolean allPrintJobsHandled = true; |
| 244 | |
| 245 | for (Map.Entry<ComponentName, List<PrintJobInfo>> entry |
| 246 | : activeJobsPerServiceMap.entrySet()) { |
| 247 | ComponentName service = entry.getKey(); |
| 248 | List<PrintJobInfo> printJobs = entry.getValue(); |
| 249 | |
| 250 | if (printJobs != null) { |
| 251 | allPrintJobsHandled = false; |
| 252 | final int printJobCount = printJobs.size(); |
| 253 | for (int i = 0; i < printJobCount; i++) { |
| 254 | PrintJobInfo printJob = printJobs.get(i); |
| 255 | if (printJob.getState() == PrintJobInfo.STATE_QUEUED) { |
| 256 | callOnPrintJobQueuedQuietly(client, printJob); |
| 257 | } |
| 258 | } |
| 259 | } else { |
| 260 | callOnAllPrintJobsForServiceHandledQuietly(client, service); |
| 261 | } |
| 262 | } |
| 263 | |
| 264 | if (allPrintJobsHandled) { |
| 265 | callOnAllPrintJobsHandledQuietly(client); |
| 266 | } |
| 267 | } |
| 268 | |
Svetoslav Ganov | 4b9a4d1 | 2013-06-11 15:20:06 -0700 | [diff] [blame] | 269 | private int generatePrintJobIdLocked() { |
| 270 | int printJobId = sPrintJobIdCounter++; |
| 271 | while (isDuplicatePrintJobId(printJobId)) { |
| 272 | printJobId = sPrintJobIdCounter++; |
| 273 | } |
| 274 | return printJobId; |
| 275 | } |
| 276 | |
| 277 | private boolean isDuplicatePrintJobId(int printJobId) { |
| 278 | final int printJobCount = mPrintJobs.size(); |
| 279 | for (int j = 0; j < printJobCount; j++) { |
| 280 | PrintJobInfo printJob = mPrintJobs.get(j); |
| 281 | if (printJob.getId() == printJobId) { |
| 282 | return true; |
| 283 | } |
| 284 | } |
| 285 | return false; |
| 286 | } |
| 287 | |
| 288 | @SuppressWarnings("resource") |
| 289 | public boolean writePrintJobData(ParcelFileDescriptor fd, int printJobId) { |
| 290 | synchronized (mLock) { |
| 291 | FileInputStream in = null; |
| 292 | FileOutputStream out = null; |
| 293 | try { |
| 294 | PrintJobInfo printJob = getPrintJob(printJobId, PrintManager.APP_ID_ANY); |
| 295 | if (printJob != null) { |
| 296 | File file = generateFileForPrintJob(printJobId); |
| 297 | in = new FileInputStream(file); |
| 298 | out = new FileOutputStream(fd.getFileDescriptor()); |
| 299 | final byte[] buffer = new byte[8192]; |
| 300 | while (true) { |
| 301 | final int readByteCount = in.read(buffer); |
| 302 | if (readByteCount < 0) { |
| 303 | return true; |
| 304 | } |
| 305 | out.write(buffer, 0, readByteCount); |
| 306 | } |
| 307 | } |
| 308 | } catch (FileNotFoundException fnfe) { |
| 309 | Log.e(LOG_TAG, "Error writing print job data!", fnfe); |
| 310 | } catch (IOException ioe) { |
| 311 | Log.e(LOG_TAG, "Error writing print job data!", ioe); |
| 312 | } finally { |
Svetoslav Ganov | a002715 | 2013-06-25 14:59:53 -0700 | [diff] [blame] | 313 | IoUtils.closeQuietly(in); |
| 314 | IoUtils.closeQuietly(out); |
| 315 | IoUtils.closeQuietly(fd); |
Svetoslav Ganov | 4b9a4d1 | 2013-06-11 15:20:06 -0700 | [diff] [blame] | 316 | } |
| 317 | } |
| 318 | return false; |
| 319 | } |
| 320 | |
Svetoslav Ganov | 4b9a4d1 | 2013-06-11 15:20:06 -0700 | [diff] [blame] | 321 | public File generateFileForPrintJob(int printJobId) { |
| 322 | return new File(mContext.getFilesDir(), "print_job_" |
| 323 | + printJobId + "." + PRINT_FILE_EXTENSION); |
| 324 | } |
| 325 | |
| 326 | private void addPrintJobLocked(PrintJobInfo printJob) { |
| 327 | mPrintJobs.add(printJob); |
| 328 | if (DEBUG_PRINT_JOB_LIFECYCLE) { |
| 329 | Slog.i(LOG_TAG, "[ADD] " + printJob); |
| 330 | } |
| 331 | } |
| 332 | |
| 333 | private void removePrintJobLocked(PrintJobInfo printJob) { |
| 334 | if (mPrintJobs.remove(printJob)) { |
| 335 | generateFileForPrintJob(printJob.getId()).delete(); |
| 336 | if (DEBUG_PRINT_JOB_LIFECYCLE) { |
| 337 | Slog.i(LOG_TAG, "[REMOVE] " + printJob); |
| 338 | } |
| 339 | } |
| 340 | } |
| 341 | |
| 342 | public boolean setPrintJobState(int printJobId, int state) { |
| 343 | boolean success = false; |
Svetoslav Ganov | a002715 | 2013-06-25 14:59:53 -0700 | [diff] [blame] | 344 | |
| 345 | boolean allPrintJobsHandled = false; |
| 346 | boolean allPrintJobsForServiceHandled = false; |
| 347 | |
| 348 | IPrintSpoolerClient client = null; |
Svetoslav Ganov | 4b9a4d1 | 2013-06-11 15:20:06 -0700 | [diff] [blame] | 349 | PrintJobInfo queuedPrintJob = null; |
Svetoslav Ganov | a002715 | 2013-06-25 14:59:53 -0700 | [diff] [blame] | 350 | PrintJobInfo removedPrintJob = null; |
Svetoslav Ganov | 4b9a4d1 | 2013-06-11 15:20:06 -0700 | [diff] [blame] | 351 | |
| 352 | synchronized (mLock) { |
Svetoslav Ganov | a002715 | 2013-06-25 14:59:53 -0700 | [diff] [blame] | 353 | if (mClient == null) { |
| 354 | throw new IllegalStateException("Client cannot be null."); |
| 355 | } |
| 356 | client = mClient; |
| 357 | |
Svetoslav Ganov | 4b9a4d1 | 2013-06-11 15:20:06 -0700 | [diff] [blame] | 358 | PrintJobInfo printJob = getPrintJob(printJobId, PrintManager.APP_ID_ANY); |
| 359 | if (printJob != null && printJob.getState() < state) { |
| 360 | success = true; |
| 361 | printJob.setState(state); |
| 362 | // TODO: Update notifications. |
| 363 | switch (state) { |
| 364 | case PrintJobInfo.STATE_COMPLETED: |
| 365 | case PrintJobInfo.STATE_CANCELED: { |
Svetoslav Ganov | a002715 | 2013-06-25 14:59:53 -0700 | [diff] [blame] | 366 | removedPrintJob = printJob; |
Svetoslav Ganov | 4b9a4d1 | 2013-06-11 15:20:06 -0700 | [diff] [blame] | 367 | removePrintJobLocked(printJob); |
Svetoslav Ganov | a002715 | 2013-06-25 14:59:53 -0700 | [diff] [blame] | 368 | |
| 369 | // No printer means creation of a print job was cancelled, |
| 370 | // therefore the state of the spooler did not change and no |
| 371 | // notifications are needed. We also do not need to persist |
| 372 | // the state. |
| 373 | PrinterId printerId = printJob.getPrinterId(); |
| 374 | if (printerId == null) { |
| 375 | return true; |
| 376 | } |
| 377 | |
| 378 | allPrintJobsHandled = !hasActivePrintJobsLocked(); |
| 379 | allPrintJobsForServiceHandled = !hasActivePrintJobsForServiceLocked( |
| 380 | printerId.getService()); |
Svetoslav Ganov | 4b9a4d1 | 2013-06-11 15:20:06 -0700 | [diff] [blame] | 381 | } break; |
Svetoslav Ganov | a002715 | 2013-06-25 14:59:53 -0700 | [diff] [blame] | 382 | |
Svetoslav Ganov | 4b9a4d1 | 2013-06-11 15:20:06 -0700 | [diff] [blame] | 383 | case PrintJobInfo.STATE_QUEUED: { |
| 384 | queuedPrintJob = new PrintJobInfo(printJob); |
| 385 | } break; |
| 386 | } |
| 387 | if (DEBUG_PRINT_JOB_LIFECYCLE) { |
| 388 | Slog.i(LOG_TAG, "[STATUS CHANGED] " + printJob); |
| 389 | } |
| 390 | mPersistanceManager.writeStateLocked(); |
| 391 | } |
| 392 | } |
| 393 | |
| 394 | if (queuedPrintJob != null) { |
Svetoslav Ganov | a002715 | 2013-06-25 14:59:53 -0700 | [diff] [blame] | 395 | callOnPrintJobQueuedQuietly(client, queuedPrintJob); |
| 396 | } |
| 397 | |
| 398 | if (allPrintJobsForServiceHandled) { |
| 399 | callOnAllPrintJobsForServiceHandledQuietly(client, |
| 400 | removedPrintJob.getPrinterId().getService()); |
| 401 | } |
| 402 | |
| 403 | if (allPrintJobsHandled) { |
| 404 | callOnAllPrintJobsHandledQuietly(client); |
Svetoslav Ganov | 4b9a4d1 | 2013-06-11 15:20:06 -0700 | [diff] [blame] | 405 | } |
| 406 | |
| 407 | return success; |
| 408 | } |
| 409 | |
Svetoslav Ganov | a002715 | 2013-06-25 14:59:53 -0700 | [diff] [blame] | 410 | private void callOnPrintJobQueuedQuietly(IPrintSpoolerClient client, |
| 411 | PrintJobInfo printJob) { |
| 412 | try { |
| 413 | client.onPrintJobQueued(printJob); |
| 414 | } catch (RemoteException re) { |
| 415 | Slog.e(LOG_TAG, "Error notify for a queued print job.", re); |
| 416 | } |
| 417 | } |
| 418 | |
| 419 | private void callOnAllPrintJobsForServiceHandledQuietly(IPrintSpoolerClient client, |
| 420 | ComponentName service) { |
| 421 | try { |
| 422 | client.onAllPrintJobsForServiceHandled(service); |
| 423 | } catch (RemoteException re) { |
| 424 | Slog.e(LOG_TAG, "Error notify for all print jobs per service handled.", re); |
| 425 | } |
| 426 | } |
| 427 | |
| 428 | private void callOnAllPrintJobsHandledQuietly(IPrintSpoolerClient client) { |
| 429 | try { |
| 430 | client.onAllPrintJobsHandled(); |
| 431 | } catch (RemoteException re) { |
| 432 | Slog.e(LOG_TAG, "Error notify for all print job handled.", re); |
| 433 | } |
| 434 | } |
| 435 | |
| 436 | private boolean hasActivePrintJobsLocked() { |
| 437 | final int printJobCount = mPrintJobs.size(); |
| 438 | for (int i = 0; i < printJobCount; i++) { |
| 439 | PrintJobInfo printJob = mPrintJobs.get(i); |
| 440 | switch (printJob.getState()) { |
| 441 | case PrintJobInfo.STATE_QUEUED: |
| 442 | case PrintJobInfo.STATE_STARTED: { |
| 443 | return true; |
| 444 | } |
| 445 | } |
| 446 | } |
| 447 | return false; |
| 448 | } |
| 449 | |
| 450 | private boolean hasActivePrintJobsForServiceLocked(ComponentName service) { |
| 451 | final int printJobCount = mPrintJobs.size(); |
| 452 | for (int i = 0; i < printJobCount; i++) { |
| 453 | PrintJobInfo printJob = mPrintJobs.get(i); |
| 454 | switch (printJob.getState()) { |
| 455 | case PrintJobInfo.STATE_QUEUED: |
| 456 | case PrintJobInfo.STATE_STARTED: { |
| 457 | if (printJob.getPrinterId().getService().equals(service)) { |
| 458 | return true; |
| 459 | } |
| 460 | } break; |
| 461 | } |
| 462 | } |
| 463 | return false; |
| 464 | } |
| 465 | |
Svetoslav Ganov | 4b9a4d1 | 2013-06-11 15:20:06 -0700 | [diff] [blame] | 466 | public boolean setPrintJobTag(int printJobId, String tag) { |
| 467 | synchronized (mLock) { |
| 468 | PrintJobInfo printJob = getPrintJob(printJobId, PrintManager.APP_ID_ANY); |
| 469 | if (printJob != null) { |
| 470 | printJob.setTag(tag); |
| 471 | mPersistanceManager.writeStateLocked(); |
| 472 | return true; |
| 473 | } |
| 474 | } |
| 475 | return false; |
| 476 | } |
| 477 | |
Svetoslav Ganov | a002715 | 2013-06-25 14:59:53 -0700 | [diff] [blame] | 478 | public final boolean setPrintJobPrintDocumentInfo(int printJobId, PrintDocumentInfo info) { |
| 479 | synchronized (mLock) { |
| 480 | PrintJobInfo printJob = getPrintJob(printJobId, PrintManager.APP_ID_ANY); |
| 481 | if (printJob != null) { |
| 482 | printJob.setDocumentInfo(info); |
| 483 | mPersistanceManager.writeStateLocked(); |
| 484 | return true; |
| 485 | } |
| 486 | } |
| 487 | return false; |
| 488 | } |
| 489 | |
Svetoslav Ganov | 4b9a4d1 | 2013-06-11 15:20:06 -0700 | [diff] [blame] | 490 | public void setPrintJobAttributes(int printJobId, PrintAttributes attributes) { |
| 491 | synchronized (mLock) { |
| 492 | PrintJobInfo printJob = getPrintJob(printJobId, PrintManager.APP_ID_ANY); |
| 493 | if (printJob != null) { |
| 494 | printJob.setAttributes(attributes); |
| 495 | mPersistanceManager.writeStateLocked(); |
| 496 | } |
| 497 | } |
| 498 | } |
| 499 | |
| 500 | public void setPrintJobPrinterId(int printJobId, PrinterId printerId) { |
| 501 | synchronized (mLock) { |
| 502 | PrintJobInfo printJob = getPrintJob(printJobId, PrintManager.APP_ID_ANY); |
| 503 | if (printJob != null) { |
| 504 | printJob.setPrinterId(printerId); |
| 505 | mPersistanceManager.writeStateLocked(); |
| 506 | } |
| 507 | } |
| 508 | } |
| 509 | |
| 510 | private final class PersistenceManager { |
| 511 | private static final String PERSIST_FILE_NAME = "print_spooler_state.xml"; |
| 512 | |
| 513 | private static final String TAG_SPOOLER = "spooler"; |
| 514 | private static final String TAG_JOB = "job"; |
| 515 | private static final String TAG_ID = "id"; |
| 516 | private static final String TAG_TAG = "tag"; |
| 517 | private static final String TAG_APP_ID = "app-id"; |
| 518 | private static final String TAG_STATE = "state"; |
| 519 | private static final String TAG_ATTRIBUTES = "attributes"; |
| 520 | private static final String TAG_LABEL = "label"; |
| 521 | private static final String TAG_PRINTER = "printer"; |
| 522 | |
| 523 | private static final String ATTRIBUTE_MEDIA_SIZE = "mediaSize"; |
| 524 | private static final String ATTRIBUTE_RESOLUTION = "resolution"; |
| 525 | private static final String ATTRIBUTE_MARGINS = "margins"; |
| 526 | private static final String ATTRIBUTE_INPUT_TRAY = "inputTray"; |
| 527 | private static final String ATTRIBUTE_OUTPUT_TRAY = "outputTray"; |
| 528 | private static final String ATTRIBUTE_DUPLEX_MODE = "duplexMode"; |
| 529 | private static final String ATTRIBUTE_COLOR_MODE = "colorMode"; |
| 530 | private static final String ATTRIBUTE_FITTING_MODE = "fittingMode"; |
| 531 | private static final String ATTRIBUTE_ORIENTATION = "orientation"; |
| 532 | |
| 533 | private final AtomicFile mStatePersistFile; |
| 534 | |
| 535 | private boolean mWriteStateScheduled; |
| 536 | |
| 537 | private PersistenceManager() { |
| 538 | mStatePersistFile = new AtomicFile(new File(mContext.getFilesDir(), |
| 539 | PERSIST_FILE_NAME)); |
| 540 | } |
| 541 | |
| 542 | public void writeStateLocked() { |
| 543 | // TODO: Implement persistence of PrintableInfo |
| 544 | if (!PERSISTNECE_MANAGER_ENABLED) { |
| 545 | return; |
| 546 | } |
| 547 | if (mWriteStateScheduled) { |
| 548 | return; |
| 549 | } |
| 550 | mWriteStateScheduled = true; |
| 551 | new AsyncTask<Void, Void, Void>() { |
| 552 | @Override |
| 553 | protected Void doInBackground(Void... params) { |
| 554 | synchronized (mLock) { |
| 555 | mWriteStateScheduled = false; |
| 556 | doWriteStateLocked(); |
| 557 | } |
| 558 | return null; |
| 559 | } |
| 560 | }.executeOnExecutor(AsyncTask.SERIAL_EXECUTOR, (Void[]) null); |
| 561 | } |
| 562 | |
| 563 | private void doWriteStateLocked() { |
| 564 | FileOutputStream out = null; |
| 565 | try { |
| 566 | out = mStatePersistFile.startWrite(); |
| 567 | |
| 568 | XmlSerializer serializer = new FastXmlSerializer(); |
| 569 | serializer.setOutput(out, "utf-8"); |
| 570 | serializer.startDocument(null, true); |
| 571 | serializer.startTag(null, TAG_SPOOLER); |
| 572 | |
| 573 | List<PrintJobInfo> printJobs = mPrintJobs; |
| 574 | |
| 575 | final int printJobCount = printJobs.size(); |
| 576 | for (int j = 0; j < printJobCount; j++) { |
| 577 | PrintJobInfo printJob = printJobs.get(j); |
| 578 | |
| 579 | final int state = printJob.getState(); |
| 580 | if (state < PrintJobInfo.STATE_QUEUED |
| 581 | || state > PrintJobInfo.STATE_FAILED) { |
| 582 | continue; |
| 583 | } |
| 584 | |
| 585 | serializer.startTag(null, TAG_JOB); |
| 586 | |
| 587 | serializer.startTag(null, TAG_ID); |
| 588 | serializer.text(String.valueOf(printJob.getId())); |
| 589 | serializer.endTag(null, TAG_ID); |
| 590 | |
| 591 | serializer.startTag(null, TAG_TAG); |
| 592 | serializer.text(printJob.getTag()); |
| 593 | serializer.endTag(null, TAG_TAG); |
| 594 | |
| 595 | serializer.startTag(null, TAG_APP_ID); |
| 596 | serializer.text(String.valueOf(printJob.getAppId())); |
| 597 | serializer.endTag(null, TAG_APP_ID); |
| 598 | |
| 599 | serializer.startTag(null, TAG_LABEL); |
| 600 | serializer.text(printJob.getLabel().toString()); |
| 601 | serializer.endTag(null, TAG_LABEL); |
| 602 | |
| 603 | serializer.startTag(null, TAG_STATE); |
| 604 | serializer.text(String.valueOf(printJob.getState())); |
| 605 | serializer.endTag(null, TAG_STATE); |
| 606 | |
| 607 | serializer.startTag(null, TAG_PRINTER); |
| 608 | serializer.text(printJob.getPrinterId().flattenToString()); |
| 609 | serializer.endTag(null, TAG_PRINTER); |
| 610 | |
| 611 | PrintAttributes attributes = printJob.getAttributes(); |
| 612 | if (attributes != null) { |
| 613 | serializer.startTag(null, TAG_ATTRIBUTES); |
| 614 | |
| 615 | //TODO: Implement persistence of the attributes below. |
| 616 | |
| 617 | // MediaSize mediaSize = attributes.getMediaSize(); |
| 618 | // if (mediaSize != null) { |
| 619 | // serializer.attribute(null, ATTRIBUTE_MEDIA_SIZE, |
| 620 | // mediaSize.flattenToString()); |
| 621 | // } |
| 622 | // |
| 623 | // Resolution resolution = attributes.getResolution(); |
| 624 | // if (resolution != null) { |
| 625 | // serializer.attribute(null, ATTRIBUTE_RESOLUTION, |
| 626 | // resolution.flattenToString()); |
| 627 | // } |
| 628 | // |
| 629 | // Margins margins = attributes.getMargins(); |
| 630 | // if (margins != null) { |
| 631 | // serializer.attribute(null, ATTRIBUTE_MARGINS, |
| 632 | // margins.flattenToString()); |
| 633 | // } |
| 634 | // |
| 635 | // Tray inputTray = attributes.getInputTray(); |
| 636 | // if (inputTray != null) { |
| 637 | // serializer.attribute(null, ATTRIBUTE_INPUT_TRAY, |
| 638 | // inputTray.flattenToString()); |
| 639 | // } |
| 640 | // |
| 641 | // Tray outputTray = attributes.getOutputTray(); |
| 642 | // if (outputTray != null) { |
| 643 | // serializer.attribute(null, ATTRIBUTE_OUTPUT_TRAY, |
| 644 | // outputTray.flattenToString()); |
| 645 | // } |
| 646 | |
| 647 | final int duplexMode = attributes.getDuplexMode(); |
| 648 | if (duplexMode > 0) { |
| 649 | serializer.attribute(null, ATTRIBUTE_DUPLEX_MODE, |
| 650 | String.valueOf(duplexMode)); |
| 651 | } |
| 652 | |
| 653 | final int colorMode = attributes.getColorMode(); |
| 654 | if (colorMode > 0) { |
| 655 | serializer.attribute(null, ATTRIBUTE_COLOR_MODE, |
| 656 | String.valueOf(colorMode)); |
| 657 | } |
| 658 | |
| 659 | final int fittingMode = attributes.getFittingMode(); |
| 660 | if (fittingMode > 0) { |
| 661 | serializer.attribute(null, ATTRIBUTE_FITTING_MODE, |
| 662 | String.valueOf(fittingMode)); |
| 663 | } |
| 664 | |
| 665 | final int orientation = attributes.getOrientation(); |
| 666 | if (orientation > 0) { |
| 667 | serializer.attribute(null, ATTRIBUTE_ORIENTATION, |
| 668 | String.valueOf(orientation)); |
| 669 | } |
| 670 | |
| 671 | serializer.endTag(null, TAG_ATTRIBUTES); |
| 672 | } |
| 673 | |
| 674 | serializer.endTag(null, TAG_JOB); |
| 675 | |
| 676 | if (DEBUG_PERSISTENCE) { |
| 677 | Log.i(LOG_TAG, "[PERSISTED] " + printJob); |
| 678 | } |
| 679 | } |
| 680 | |
| 681 | serializer.endTag(null, TAG_SPOOLER); |
| 682 | serializer.endDocument(); |
| 683 | mStatePersistFile.finishWrite(out); |
| 684 | } catch (IOException e) { |
| 685 | Slog.w(LOG_TAG, "Failed to write state, restoring backup.", e); |
| 686 | mStatePersistFile.failWrite(out); |
| 687 | } finally { |
| 688 | if (out != null) { |
| 689 | try { |
| 690 | out.close(); |
| 691 | } catch (IOException ioe) { |
| 692 | /* ignore */ |
| 693 | } |
| 694 | } |
| 695 | } |
| 696 | } |
| 697 | |
| 698 | public void readStateLocked() { |
| 699 | if (!PERSISTNECE_MANAGER_ENABLED) { |
| 700 | return; |
| 701 | } |
| 702 | FileInputStream in = null; |
| 703 | try { |
| 704 | in = mStatePersistFile.openRead(); |
| 705 | } catch (FileNotFoundException e) { |
| 706 | Log.i(LOG_TAG, "No existing print spooler state."); |
| 707 | return; |
| 708 | } |
| 709 | try { |
| 710 | XmlPullParser parser = Xml.newPullParser(); |
| 711 | parser.setInput(in, null); |
| 712 | parseState(parser); |
| 713 | } catch (IllegalStateException ise) { |
| 714 | Slog.w(LOG_TAG, "Failed parsing " + ise); |
| 715 | } catch (NullPointerException npe) { |
| 716 | Slog.w(LOG_TAG, "Failed parsing " + npe); |
| 717 | } catch (NumberFormatException nfe) { |
| 718 | Slog.w(LOG_TAG, "Failed parsing " + nfe); |
| 719 | } catch (XmlPullParserException xppe) { |
| 720 | Slog.w(LOG_TAG, "Failed parsing " + xppe); |
| 721 | } catch (IOException ioe) { |
| 722 | Slog.w(LOG_TAG, "Failed parsing " + ioe); |
| 723 | } catch (IndexOutOfBoundsException iobe) { |
| 724 | Slog.w(LOG_TAG, "Failed parsing " + iobe); |
| 725 | } finally { |
| 726 | try { |
| 727 | in.close(); |
| 728 | } catch (IOException ioe) { |
| 729 | /* ignore */ |
| 730 | } |
| 731 | } |
| 732 | } |
| 733 | |
| 734 | private void parseState(XmlPullParser parser) |
| 735 | throws IOException, XmlPullParserException { |
| 736 | parser.next(); |
| 737 | skipEmptyTextTags(parser); |
| 738 | expect(parser, XmlPullParser.START_TAG, TAG_SPOOLER); |
| 739 | parser.next(); |
| 740 | |
| 741 | while (parsePrintJob(parser)) { |
| 742 | parser.next(); |
| 743 | } |
| 744 | |
| 745 | skipEmptyTextTags(parser); |
| 746 | expect(parser, XmlPullParser.END_TAG, TAG_SPOOLER); |
| 747 | } |
| 748 | |
| 749 | private boolean parsePrintJob(XmlPullParser parser) |
| 750 | throws IOException, XmlPullParserException { |
| 751 | skipEmptyTextTags(parser); |
| 752 | if (!accept(parser, XmlPullParser.START_TAG, TAG_JOB)) { |
| 753 | return false; |
| 754 | } |
| 755 | parser.next(); |
| 756 | |
| 757 | skipEmptyTextTags(parser); |
| 758 | expect(parser, XmlPullParser.START_TAG, TAG_ID); |
| 759 | parser.next(); |
| 760 | final int printJobId = Integer.parseInt(parser.getText()); |
| 761 | parser.next(); |
| 762 | skipEmptyTextTags(parser); |
| 763 | expect(parser, XmlPullParser.END_TAG, TAG_ID); |
| 764 | parser.next(); |
| 765 | |
| 766 | skipEmptyTextTags(parser); |
| 767 | expect(parser, XmlPullParser.START_TAG, TAG_TAG); |
| 768 | parser.next(); |
| 769 | String tag = parser.getText(); |
| 770 | parser.next(); |
| 771 | skipEmptyTextTags(parser); |
| 772 | expect(parser, XmlPullParser.END_TAG, TAG_TAG); |
| 773 | parser.next(); |
| 774 | |
| 775 | skipEmptyTextTags(parser); |
| 776 | expect(parser, XmlPullParser.START_TAG, TAG_APP_ID); |
| 777 | parser.next(); |
| 778 | final int appId = Integer.parseInt(parser.getText()); |
| 779 | parser.next(); |
| 780 | skipEmptyTextTags(parser); |
| 781 | expect(parser, XmlPullParser.END_TAG, TAG_APP_ID); |
| 782 | parser.next(); |
| 783 | |
| 784 | skipEmptyTextTags(parser); |
| 785 | expect(parser, XmlPullParser.START_TAG, TAG_LABEL); |
| 786 | parser.next(); |
| 787 | String label = parser.getText(); |
| 788 | parser.next(); |
| 789 | skipEmptyTextTags(parser); |
| 790 | expect(parser, XmlPullParser.END_TAG, TAG_LABEL); |
| 791 | parser.next(); |
| 792 | |
| 793 | skipEmptyTextTags(parser); |
| 794 | expect(parser, XmlPullParser.START_TAG, TAG_STATE); |
| 795 | parser.next(); |
| 796 | final int state = Integer.parseInt(parser.getText()); |
| 797 | parser.next(); |
| 798 | skipEmptyTextTags(parser); |
| 799 | expect(parser, XmlPullParser.END_TAG, TAG_STATE); |
| 800 | parser.next(); |
| 801 | |
| 802 | skipEmptyTextTags(parser); |
| 803 | expect(parser, XmlPullParser.START_TAG, TAG_PRINTER); |
| 804 | parser.next(); |
| 805 | PrinterId printerId = PrinterId.unflattenFromString(parser.getText()); |
| 806 | parser.next(); |
| 807 | skipEmptyTextTags(parser); |
| 808 | expect(parser, XmlPullParser.END_TAG, TAG_PRINTER); |
| 809 | parser.next(); |
| 810 | |
| 811 | skipEmptyTextTags(parser); |
| 812 | expect(parser, XmlPullParser.START_TAG, TAG_ATTRIBUTES); |
| 813 | |
| 814 | final int attributeCount = parser.getAttributeCount(); |
| 815 | PrintAttributes attributes = null; |
| 816 | if (attributeCount > 0) { |
| 817 | PrintAttributes.Builder builder = new PrintAttributes.Builder(); |
| 818 | |
| 819 | // TODO: Implement reading of the attributes below. |
| 820 | |
| 821 | // String mediaSize = parser.getAttributeValue(null, ATTRIBUTE_MEDIA_SIZE); |
| 822 | // if (mediaSize != null) { |
| 823 | // builder.setMediaSize(MediaSize.unflattenFromString(mediaSize)); |
| 824 | // } |
| 825 | // |
| 826 | // String resolution = parser.getAttributeValue(null, ATTRIBUTE_RESOLUTION); |
| 827 | // if (resolution != null) { |
| 828 | // builder.setMediaSize(Resolution.unflattenFromString(resolution)); |
| 829 | // } |
| 830 | // |
| 831 | // String margins = parser.getAttributeValue(null, ATTRIBUTE_MARGINS); |
| 832 | // if (margins != null) { |
| 833 | // builder.setMediaSize(Margins.unflattenFromString(margins)); |
| 834 | // } |
| 835 | // |
| 836 | // String inputTray = parser.getAttributeValue(null, ATTRIBUTE_INPUT_TRAY); |
| 837 | // if (inputTray != null) { |
| 838 | // builder.setMediaSize(Tray.unflattenFromString(inputTray)); |
| 839 | // } |
| 840 | // |
| 841 | // String outputTray = parser.getAttributeValue(null, ATTRIBUTE_OUTPUT_TRAY); |
| 842 | // if (outputTray != null) { |
| 843 | // builder.setMediaSize(Tray.unflattenFromString(outputTray)); |
| 844 | // } |
| 845 | // |
| 846 | // String duplexMode = parser.getAttributeValue(null, ATTRIBUTE_DUPLEX_MODE); |
| 847 | // if (duplexMode != null) { |
| 848 | // builder.setDuplexMode(Integer.parseInt(duplexMode)); |
| 849 | // } |
| 850 | |
| 851 | String colorMode = parser.getAttributeValue(null, ATTRIBUTE_COLOR_MODE); |
| 852 | if (colorMode != null) { |
| 853 | builder.setColorMode(Integer.parseInt(colorMode)); |
| 854 | } |
| 855 | |
| 856 | String fittingMode = parser.getAttributeValue(null, ATTRIBUTE_COLOR_MODE); |
| 857 | if (fittingMode != null) { |
| 858 | builder.setFittingMode(Integer.parseInt(fittingMode)); |
| 859 | } |
| 860 | } |
| 861 | parser.next(); |
| 862 | skipEmptyTextTags(parser); |
| 863 | expect(parser, XmlPullParser.END_TAG, TAG_ATTRIBUTES); |
| 864 | parser.next(); |
| 865 | |
| 866 | PrintJobInfo printJob = new PrintJobInfo(); |
| 867 | printJob.setId(printJobId); |
| 868 | printJob.setTag(tag); |
| 869 | printJob.setAppId(appId); |
| 870 | printJob.setLabel(label); |
| 871 | printJob.setState(state); |
| 872 | printJob.setAttributes(attributes); |
| 873 | printJob.setPrinterId(printerId); |
| 874 | |
| 875 | mPrintJobs.add(printJob); |
| 876 | |
| 877 | if (DEBUG_PERSISTENCE) { |
| 878 | Log.i(LOG_TAG, "[RESTORED] " + printJob); |
| 879 | } |
| 880 | |
| 881 | skipEmptyTextTags(parser); |
| 882 | expect(parser, XmlPullParser.END_TAG, TAG_JOB); |
| 883 | |
| 884 | return true; |
| 885 | } |
| 886 | |
| 887 | private void expect(XmlPullParser parser, int type, String tag) |
| 888 | throws IOException, XmlPullParserException { |
| 889 | if (!accept(parser, type, tag)) { |
| 890 | throw new XmlPullParserException("Exepected event: " + type |
| 891 | + " and tag: " + tag + " but got event: " + parser.getEventType() |
| 892 | + " and tag:" + parser.getName()); |
| 893 | } |
| 894 | } |
| 895 | |
| 896 | private void skipEmptyTextTags(XmlPullParser parser) |
| 897 | throws IOException, XmlPullParserException { |
| 898 | while (accept(parser, XmlPullParser.TEXT, null) |
| 899 | && "\n".equals(parser.getText())) { |
| 900 | parser.next(); |
| 901 | } |
| 902 | } |
| 903 | |
| 904 | private boolean accept(XmlPullParser parser, int type, String tag) |
| 905 | throws IOException, XmlPullParserException { |
| 906 | if (parser.getEventType() != type) { |
| 907 | return false; |
| 908 | } |
| 909 | if (tag != null) { |
| 910 | if (!tag.equals(parser.getName())) { |
| 911 | return false; |
| 912 | } |
| 913 | } else if (parser.getName() != null) { |
| 914 | return false; |
| 915 | } |
| 916 | return true; |
| 917 | } |
| 918 | } |
| 919 | } |