Track notification airtime (ffeb0c38) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/notification/NotificationManagerService.java

+16 −0

Original line number	Diff line number	Diff line
		@@ -715,6 +715,22 @@ public class NotificationManagerService extends SystemService {
		EventLogTags.writeNotificationVisibilityChanged(
		TextUtils.join(";", newlyVisibleKeys),
		TextUtils.join(";", noLongerVisibleKeys));
		synchronized (mNotificationList) {
		for (String key : newlyVisibleKeys) {
		NotificationRecord r = mNotificationsByKey.get(key);
		if (r == null) continue;
		r.stats.onVisibilityChanged(true);
		}
		// Note that we might receive this event after notifications
		// have already left the system, e.g. after dismissing from the
		// shade. Hence not finding notifications in
		// mNotificationsByKey is not an exceptional condition.
		for (String key : noLongerVisibleKeys) {
		NotificationRecord r = mNotificationsByKey.get(key);
		if (r == null) continue;
		r.stats.onVisibilityChanged(false);
		}
		}
		}
		};

services/core/java/com/android/server/notification/NotificationUsageStats.java

+106 −15

Original line number	Diff line number	Diff line
		@@ -80,6 +80,7 @@ public class NotificationUsageStats {
		* Called when the originating app removed the notification programmatically.
		*/
		public synchronized void registerRemovedByApp(NotificationRecord notification) {
		notification.stats.onRemoved();
		for (AggregatedStats stats : getAggregatedStatsLocked(notification)) {
		stats.numRemovedByApp++;
		stats.collect(notification.stats);
		@@ -116,9 +117,7 @@ public class NotificationUsageStats {
		* <p>Called after {@link #registerClickedByUser(NotificationRecord)}.</p>
		*/
		public synchronized void registerCancelDueToClick(NotificationRecord notification) {
		// No explicit stats for this (the click has already been registered in
		// registerClickedByUser), just make sure the single notification stats
		// are folded up into aggregated stats.
		notification.stats.onCancel();
		for (AggregatedStats stats : getAggregatedStatsLocked(notification)) {
		stats.collect(notification.stats);
		}
		@@ -130,7 +129,7 @@ public class NotificationUsageStats {
		* <p>Called for notifications of apps being uninstalled, for example.</p>
		*/
		public synchronized void registerCancelUnknown(NotificationRecord notification) {
		// Fold up individual stats.
		notification.stats.onCancel();
		for (AggregatedStats stats : getAggregatedStatsLocked(notification)) {
		stats.collect(notification.stats);
		}
		@@ -185,6 +184,9 @@ public class NotificationUsageStats {
		public final Aggregate posttimeMs = new Aggregate();
		public final Aggregate posttimeToDismissMs = new Aggregate();
		public final Aggregate posttimeToFirstClickMs = new Aggregate();
		public final Aggregate airtimeCount = new Aggregate();
		public final Aggregate airtimeMs = new Aggregate();
		public final Aggregate posttimeToFirstAirtimeMs = new Aggregate();

		public AggregatedStats(String key) {
		this.key = key;
		@@ -199,6 +201,14 @@ public class NotificationUsageStats {
		if (singleNotificationStats.posttimeToFirstClickMs >= 0) {
		posttimeToFirstClickMs.addSample(singleNotificationStats.posttimeToFirstClickMs);
		}
		airtimeCount.addSample(singleNotificationStats.airtimeCount);
		if (singleNotificationStats.airtimeMs >= 0) {
		airtimeMs.addSample(singleNotificationStats.airtimeMs);
		}
		if (singleNotificationStats.posttimeToFirstAirtimeMs >= 0) {
		posttimeToFirstAirtimeMs.addSample(
		singleNotificationStats.posttimeToFirstAirtimeMs);
		}
		}

		public void dump(PrintWriter pw, String indent) {
		@@ -221,6 +231,9 @@ public class NotificationUsageStats {
		indent + " posttimeMs=" + posttimeMs + ",\n" +
		indent + " posttimeToDismissMs=" + posttimeToDismissMs + ",\n" +
		indent + " posttimeToFirstClickMs=" + posttimeToFirstClickMs + ",\n" +
		indent + " airtimeCount=" + airtimeCount + ",\n" +
		indent + " airtimeMs=" + airtimeMs + ",\n" +
		indent + " posttimeToFirstAirtimeMs=" + posttimeToFirstAirtimeMs + ",\n" +
		indent + "}";
		}
		}
		@@ -235,6 +248,33 @@ public class NotificationUsageStats {
		public long posttimeToFirstClickMs = -1;
		/** Elpased time since the notification was posted until it was dismissed by the user. */
		public long posttimeToDismissMs = -1;
		/** Number of times the notification has been made visible. */
		public long airtimeCount = 0;
		/** Time in ms between the notification was posted and first shown; -1 if never shown. */
		public long posttimeToFirstAirtimeMs = -1;
		/**
		* If currently visible, SystemClock.elapsedRealtime() when the notification was made
		* visible; -1 otherwise.
		*/
		public long currentAirtimeStartElapsedMs = -1;
		/** Accumulated visible time. */
		public long airtimeMs = 0;

		public long getCurrentPosttimeMs() {
		if (posttimeElapsedMs < 0) {
		return 0;
		}
		return SystemClock.elapsedRealtime() - posttimeElapsedMs;
		}

		public long getCurrentAirtimeMs() {
		long result = airtimeMs;
		// Add incomplete airtime if currently shown.
		if (currentAirtimeStartElapsedMs >= 0) {
		result+= (SystemClock.elapsedRealtime() - currentAirtimeStartElapsedMs);
		}
		return result;
		}

		/**
		* Called when the user clicked the notification.
		@@ -252,6 +292,38 @@ public class NotificationUsageStats {
		if (posttimeToDismissMs < 0) {
		posttimeToDismissMs = SystemClock.elapsedRealtime() - posttimeElapsedMs;
		}
		finish();
		}

		public void onCancel() {
		finish();
		}

		public void onRemoved() {
		finish();
		}

		public void onVisibilityChanged(boolean visible) {
		long elapsedNowMs = SystemClock.elapsedRealtime();
		if (visible) {
		if (currentAirtimeStartElapsedMs < 0) {
		airtimeCount++;
		currentAirtimeStartElapsedMs = elapsedNowMs;
		}
		if (posttimeToFirstAirtimeMs < 0) {
		posttimeToFirstAirtimeMs = elapsedNowMs - posttimeElapsedMs;
		}
		} else {
		if (currentAirtimeStartElapsedMs >= 0) {
		airtimeMs += (elapsedNowMs - currentAirtimeStartElapsedMs);
		currentAirtimeStartElapsedMs = -1;
		}
		}
		}

		/** The notification is leaving the system. Finalize. */
		public void finish() {
		onVisibilityChanged(false);
		}

		@Override
		@@ -260,6 +332,9 @@ public class NotificationUsageStats {
		"posttimeElapsedMs=" + posttimeElapsedMs +
		", posttimeToFirstClickMs=" + posttimeToFirstClickMs +
		", posttimeToDismissMs=" + posttimeToDismissMs +
		", airtimeCount=" + airtimeCount +
		", airtimeMs=" + airtimeMs +
		", currentAirtimeStartElapsedMs=" + currentAirtimeStartElapsedMs +
		'}';
		}
		}
		@@ -305,7 +380,7 @@ public class NotificationUsageStats {
		private static final int MSG_DISMISS = 4;

		private static final String DB_NAME = "notification_log.db";
		private static final int DB_VERSION = 1;
		private static final int DB_VERSION = 2;

		/** Age in ms after which events are pruned from the DB. */
		private static final long HORIZON_MS = 7 * 24 * 60 * 60 * 1000L; // 1 week
		@@ -329,6 +404,8 @@ public class NotificationUsageStats {
		private static final String COL_PRIORITY = "priority";
		private static final String COL_CATEGORY = "category";
		private static final String COL_ACTION_COUNT = "action_count";
		private static final String COL_POSTTIME_MS = "posttime_ms";
		private static final String COL_AIRTIME_MS = "airtime_ms";

		private static final int EVENT_TYPE_POST = 1;
		private static final int EVENT_TYPE_CLICK = 2;
		@@ -354,16 +431,16 @@ public class NotificationUsageStats {
		long nowMs = System.currentTimeMillis();
		switch (msg.what) {
		case MSG_POST:
		writeEvent(r.sbn.getPostTime(), EVENT_TYPE_POST, r, true);
		writeEvent(r.sbn.getPostTime(), EVENT_TYPE_POST, r);
		break;
		case MSG_CLICK:
		writeEvent(nowMs, EVENT_TYPE_CLICK, r, false);
		writeEvent(nowMs, EVENT_TYPE_CLICK, r);
		break;
		case MSG_REMOVE:
		writeEvent(nowMs, EVENT_TYPE_REMOVE, r, false);
		writeEvent(nowMs, EVENT_TYPE_REMOVE, r);
		break;
		case MSG_DISMISS:
		writeEvent(nowMs, EVENT_TYPE_DISMISS, r, false);
		writeEvent(nowMs, EVENT_TYPE_DISMISS, r);
		break;
		default:
		Log.wtf(TAG, "Unknown message type: " + msg.what);
		@@ -388,14 +465,22 @@ public class NotificationUsageStats {
		COL_FLAGS + " INT," +
		COL_PRIORITY + " INT," +
		COL_CATEGORY + " TEXT," +
		COL_ACTION_COUNT + " INT" +
		COL_ACTION_COUNT + " INT," +
		COL_POSTTIME_MS + " INT," +
		COL_AIRTIME_MS + " INT" +
		")");
		}

		@Override
		public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
		db.execSQL("DROP TABLE IF EXISTS " + TAB_LOG);
		onCreate(db);
		switch (oldVersion) {
		case 1:
		// Add COL_POSTTIME_MS, COL_AIRTIME_MS columns,
		db.execSQL("ALTER TABLE " + TAB_LOG + " ADD COLUMN " +
		COL_POSTTIME_MS + " INT");
		db.execSQL("ALTER TABLE " + TAB_LOG + " ADD COLUMN " +
		COL_AIRTIME_MS + " INT");
		}
		}
		};
		}
		@@ -445,15 +530,16 @@ public class NotificationUsageStats {
		}
		}

		private void writeEvent(long eventTimeMs, int eventType, NotificationRecord r,
		boolean populateNotificationDetails) {
		private void writeEvent(long eventTimeMs, int eventType, NotificationRecord r) {
		ContentValues cv = new ContentValues();
		cv.put(COL_EVENT_USER_ID, r.sbn.getUser().getIdentifier());
		cv.put(COL_EVENT_TIME, eventTimeMs);
		cv.put(COL_EVENT_TYPE, eventType);
		putNotificationIdentifiers(r, cv);
		if (populateNotificationDetails) {
		if (eventType == EVENT_TYPE_POST) {
		putNotificationDetails(r, cv);
		} else {
		putPosttimeAirtime(r, cv);
		}
		SQLiteDatabase db = mHelper.getWritableDatabase();
		if (db.insert(TAB_LOG, null, cv) < 0) {
		@@ -497,6 +583,11 @@ public class NotificationUsageStats {
		r.getNotification().actions.length : 0);
		}

		private static void putPosttimeAirtime(NotificationRecord r, ContentValues outCv) {
		outCv.put(COL_POSTTIME_MS, r.stats.getCurrentPosttimeMs());
		outCv.put(COL_AIRTIME_MS, r.stats.getCurrentAirtimeMs());
		}

		public void dump(PrintWriter pw, String indent) {
		printPostFrequencies(pw, indent);
		}