Use notification grouping for print notification. (a1cdb4ba) · Commits · e / os / android_frameworks_base

packages/PrintSpooler/res/values/strings.xml

+0 −6

Original line number	Diff line number	Diff line
		@@ -178,12 +178,6 @@
		<!-- Template for the notification label for a blocked print job. [CHAR LIMIT=25] -->
		<string name="blocked_notification_title_template">Printer blocked <xliff:g id="print_job_name" example="foo.jpg">%1$s</xliff:g></string>

		<!-- Template for the notification label for a composite (multiple items) print jobs notification. [CHAR LIMIT=25] -->
		<plurals name="composite_notification_title_template">
		<item quantity="one"><xliff:g id="print_job_name" example="foo.jpg">%1$d</xliff:g> print job</item>
		<item quantity="other"><xliff:g id="print_job_name" example="foo.jpg">%1$d</xliff:g> print jobs</item>
		</plurals>

		<!-- Label for the notification button for cancelling a print job. [CHAR LIMIT=25] -->
		<string name="cancel">Cancel</string>

packages/PrintSpooler/src/com/android/printspooler/model/NotificationController.java

+67 −25

Original line number	Diff line number	Diff line
		@@ -40,6 +40,7 @@ import android.print.PrintJobId;
		import android.print.PrintJobInfo;
		import android.print.PrintManager;
		import android.provider.Settings;
		import android.util.ArraySet;
		import android.util.Log;

		import com.android.printspooler.R;
		@@ -61,13 +62,22 @@ final class NotificationController {

		private static final String EXTRA_PRINT_JOB_ID = "EXTRA_PRINT_JOB_ID";

		private static final String PRINT_JOB_NOTIFICATION_GROUP_KEY = "PRINT_JOB_NOTIFICATIONS";
		private static final String PRINT_JOB_NOTIFICATION_SUMMARY = "PRINT_JOB_NOTIFICATIONS_SUMMARY";

		private final Context mContext;
		private final NotificationManager mNotificationManager;

		/**
		* Mapping from printJobIds to their notification Ids.
		*/
		private final ArraySet<PrintJobId> mNotifications;

		public NotificationController(Context context) {
		mContext = context;
		mNotificationManager = (NotificationManager)
		mContext.getSystemService(Context.NOTIFICATION_SERVICE);
		mNotifications = new ArraySet<>(0);
		}

		public void onUpdateNotifications(List<PrintJobInfo> printJobs) {
		@@ -81,16 +91,48 @@ final class NotificationController {
		}
		}

		updateNotification(notifyPrintJobs);
		updateNotifications(notifyPrintJobs);
		}

		private void updateNotification(List<PrintJobInfo> printJobs) {
		if (printJobs.size() <= 0) {
		removeNotification();
		} else if (printJobs.size() == 1) {
		createSimpleNotification(printJobs.get(0));
		} else {
		/**
		* Update notifications for the given print jobs, remove all other notifications.
		*
		* @param printJobs The print job that we want to create notifications for.
		*/
		private void updateNotifications(List<PrintJobInfo> printJobs) {
		ArraySet<PrintJobId> removedPrintJobs = new ArraySet<>(mNotifications);

		final int numPrintJobs = printJobs.size();

		// Create summary notification
		if (numPrintJobs > 1) {
		createStackedNotification(printJobs);
		} else {
		mNotificationManager.cancel(PRINT_JOB_NOTIFICATION_SUMMARY, 0);
		}

		// Create per print job notification
		for (int i = 0; i < numPrintJobs; i++) {
		PrintJobInfo printJob = printJobs.get(i);
		PrintJobId printJobId = printJob.getId();

		removedPrintJobs.remove(printJobId);
		mNotifications.add(printJobId);

		Log.i("TEST", "Adding notification for " + printJobId.flattenToString());

		createSimpleNotification(printJob);
		}

		// Remove notifications for print jobs that do not exist anymore
		final int numRemovedPrintJobs = removedPrintJobs.size();
		for (int i = 0; i < numRemovedPrintJobs; i++) {
		PrintJobId removedPrintJob = removedPrintJobs.valueAt(i);

		Log.i("TEST", "Removing notification for " + removedPrintJob.flattenToString());

		mNotificationManager.cancel(removedPrintJob.flattenToString(), 0);
		mNotifications.remove(removedPrintJob);
		}
		}

		@@ -148,7 +190,8 @@ final class NotificationController {
		.setOngoing(true)
		.setShowWhen(true)
		.setColor(mContext.getColor(
		com.android.internal.R.color.system_notification_accent_color));
		com.android.internal.R.color.system_notification_accent_color))
		.setGroup(PRINT_JOB_NOTIFICATION_GROUP_KEY);

		if (firstAction != null) {
		builder.addAction(firstAction);
		@@ -176,7 +219,7 @@ final class NotificationController {
		builder.setContentText(printJob.getPrinterName());
		}

		mNotificationManager.notify(0, builder.build());
		mNotificationManager.notify(printJob.getId().flattenToString(), 0, builder.build());
		}

		private void createPrintingNotification(PrintJobInfo printJob) {
		@@ -204,33 +247,36 @@ final class NotificationController {
		.setContentIntent(createContentIntent(null))
		.setWhen(System.currentTimeMillis())
		.setOngoing(true)
		.setShowWhen(true);
		.setShowWhen(true)
		.setGroup(PRINT_JOB_NOTIFICATION_GROUP_KEY)
		.setGroupSummary(true);

		final int printJobCount = printJobs.size();

		InboxStyle inboxStyle = new InboxStyle();
		inboxStyle.setBigContentTitle(String.format(mContext.getResources().getQuantityText(
		R.plurals.composite_notification_title_template,
		printJobCount).toString(), printJobCount));

		int icon = com.android.internal.R.drawable.ic_print;
		for (int i = printJobCount - 1; i>= 0; i--) {
		PrintJobInfo printJob = printJobs.get(i);
		if (i == printJobCount - 1) {
		builder.setLargeIcon(((BitmapDrawable) mContext.getResources().getDrawable(
		computeNotificationIcon(printJob), null)).getBitmap());
		builder.setSmallIcon(computeNotificationIcon(printJob));
		builder.setContentTitle(computeNotificationTitle(printJob));
		builder.setContentText(printJob.getPrinterName());
		}

		inboxStyle.addLine(computeNotificationTitle(printJob));

		// if any print job is in an error state show an error icon for the summary
		if (printJob.getState() == PrintJobInfo.STATE_FAILED
		\|\| printJob.getState() == PrintJobInfo.STATE_BLOCKED) {
		icon = com.android.internal.R.drawable.ic_print_error;
		}
		}

		builder.setSmallIcon(icon);
		builder.setLargeIcon(
		((BitmapDrawable) mContext.getResources().getDrawable(icon, null)).getBitmap());
		builder.setNumber(printJobCount);
		builder.setStyle(inboxStyle);
		builder.setColor(mContext.getColor(
		com.android.internal.R.color.system_notification_accent_color));

		mNotificationManager.notify(0, builder.build());
		mNotificationManager.notify(PRINT_JOB_NOTIFICATION_SUMMARY, 0, builder.build());
		}

		private String computeNotificationTitle(PrintJobInfo printJob) {
		@@ -264,10 +310,6 @@ final class NotificationController {
		}
		}

		private void removeNotification() {
		mNotificationManager.cancel(0);
		}

		private PendingIntent createContentIntent(PrintJobId printJobId) {
		Intent intent = new Intent(Settings.ACTION_PRINT_SETTINGS);
		if (printJobId != null) {