diff options
Diffstat (limited to 'packages/PrintSpooler/src')
| -rw-r--r-- | packages/PrintSpooler/src/com/android/printspooler/model/PrintSpoolerService.java | 67 |
1 files changed, 63 insertions, 4 deletions
diff --git a/packages/PrintSpooler/src/com/android/printspooler/model/PrintSpoolerService.java b/packages/PrintSpooler/src/com/android/printspooler/model/PrintSpoolerService.java index eba5edbf6d68..bba57d5fe0a2 100644 --- a/packages/PrintSpooler/src/com/android/printspooler/model/PrintSpoolerService.java +++ b/packages/PrintSpooler/src/com/android/printspooler/model/PrintSpoolerService.java @@ -16,6 +16,8 @@ package com.android.printspooler.model; +import static android.os.PowerManager.PARTIAL_WAKE_LOCK; + import static com.android.internal.print.DumpUtils.writePrintJobInfo; import static com.android.internal.util.dump.DumpUtils.writeComponentName; @@ -35,6 +37,7 @@ import android.os.Handler; import android.os.IBinder; import android.os.Message; import android.os.ParcelFileDescriptor; +import android.os.PowerManager; import android.os.RemoteException; import android.print.IPrintSpooler; import android.print.IPrintSpoolerCallbacks; @@ -124,6 +127,9 @@ public final class PrintSpoolerService extends Service { /** Cache for custom printer icons loaded from the print service */ private CustomPrinterIconCache mCustomIconCache; + /** If the system should be kept awake to process print jobs */ + private PowerManager.WakeLock mKeepAwake; + public static PrintSpoolerService peekInstance() { synchronized (sLock) { return sInstance; @@ -137,6 +143,8 @@ public final class PrintSpoolerService extends Service { mPersistanceManager = new PersistenceManager(); mNotificationController = new NotificationController(PrintSpoolerService.this); mCustomIconCache = new CustomPrinterIconCache(getCacheDir()); + mKeepAwake = getSystemService(PowerManager.class).newWakeLock(PARTIAL_WAKE_LOCK, + "Active Print Job"); synchronized (mLock) { mPersistanceManager.readStateLocked(); @@ -480,6 +488,11 @@ public final class PrintSpoolerService extends Service { private void addPrintJobLocked(PrintJobInfo printJob) { mPrintJobs.add(printJob); + + if (printJob.shouldStayAwake()) { + keepAwakeLocked(); + } + if (DEBUG_PRINT_JOB_LIFECYCLE) { Slog.i(LOG_TAG, "[ADD] " + printJob); } @@ -500,6 +513,9 @@ public final class PrintSpoolerService extends Service { persistState = true; } } + + checkIfStillKeepAwakeLocked(); + if (persistState) { mPersistanceManager.writeStateLocked(); } @@ -546,6 +562,12 @@ public final class PrintSpoolerService extends Service { printJob.setStatus(error); printJob.setCancelling(false); + if (printJob.shouldStayAwake()) { + keepAwakeLocked(); + } else { + checkIfStillKeepAwakeLocked(); + } + if (DEBUG_PRINT_JOB_LIFECYCLE) { Slog.i(LOG_TAG, "[STATE CHANGED] " + printJob); } @@ -717,6 +739,12 @@ public final class PrintSpoolerService extends Service { } mNotificationController.onUpdateNotifications(mPrintJobs); + if (printJob.shouldStayAwake()) { + keepAwakeLocked(); + } else { + checkIfStillKeepAwakeLocked(); + } + Message message = PooledLambda.obtainMessage( PrintSpoolerService::onPrintJobStateChanged, this, printJob); Handler.getMain().executeOrSendMessage(message); @@ -1098,7 +1126,7 @@ public final class PrintSpoolerService extends Service { try { XmlPullParser parser = Xml.newPullParser(); parser.setInput(in, StandardCharsets.UTF_8.name()); - parseState(parser); + parseStateLocked(parser); } catch (IllegalStateException ise) { Slog.w(LOG_TAG, "Failed parsing ", ise); } catch (NullPointerException npe) { @@ -1116,14 +1144,14 @@ public final class PrintSpoolerService extends Service { } } - private void parseState(XmlPullParser parser) + private void parseStateLocked(XmlPullParser parser) throws IOException, XmlPullParserException { parser.next(); skipEmptyTextTags(parser); expect(parser, XmlPullParser.START_TAG, TAG_SPOOLER); parser.next(); - while (parsePrintJob(parser)) { + while (parsePrintJobLocked(parser)) { parser.next(); } @@ -1131,7 +1159,7 @@ public final class PrintSpoolerService extends Service { expect(parser, XmlPullParser.END_TAG, TAG_SPOOLER); } - private boolean parsePrintJob(XmlPullParser parser) + private boolean parsePrintJobLocked(XmlPullParser parser) throws IOException, XmlPullParserException { skipEmptyTextTags(parser); if (!accept(parser, XmlPullParser.START_TAG, TAG_JOB)) { @@ -1343,6 +1371,10 @@ public final class PrintSpoolerService extends Service { mPrintJobs.add(printJob); + if (printJob.shouldStayAwake()) { + keepAwakeLocked(); + } + if (DEBUG_PERSISTENCE) { Log.i(LOG_TAG, "[RESTORED] " + printJob); } @@ -1386,6 +1418,33 @@ public final class PrintSpoolerService extends Service { } } + /** + * Keep the system awake as a print job needs to be processed. + */ + private void keepAwakeLocked() { + if (!mKeepAwake.isHeld()) { + mKeepAwake.acquire(); + } + } + + /** + * Check if we still need to keep the system awake. + * + * @see #keepAwakeLocked + */ + private void checkIfStillKeepAwakeLocked() { + if (mKeepAwake.isHeld()) { + int numPrintJobs = mPrintJobs.size(); + for (int i = 0; i < numPrintJobs; i++) { + if (mPrintJobs.get(i).shouldStayAwake()) { + return; + } + } + + mKeepAwake.release(); + } + } + public final class PrintSpooler extends IPrintSpooler.Stub { @Override public void getPrintJobInfos(IPrintSpoolerCallbacks callback, |