Extinguish notification LED when user passes through lock screen

Also do not blink for notifications received when the screen is on.

Bug: 5233071

Change-Id: I15675ca317007d4b900ef74e60d11a5bca3d7333
Signed-off-by: Mike Lockwood <lockwood@android.com>

Author: mikeandroid

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

@@ -101,6 +101,7 @@ public class NotificationManagerService extends INotificationManager.Stub
     private Vibrator mVibrator = new Vibrator();
 
     // for enabling and disabling notification pulse behavior
+    private boolean mScreenOn = true;
     private boolean mInCall = false;
     private boolean mNotificationPulseEnabled;
 
@@ -344,9 +345,19 @@ public void onReceive(Context context, Intent intent) {
                         cancelAllNotificationsInt(pkgName, 0, 0, !queryRestart);
                     }
                 }
+            } else if (action.equals(Intent.ACTION_SCREEN_ON)) {
+                // Keep track of screen on/off state, but do not turn off the notification light
+                // until user passes through the lock screen or views the notification.
+                mScreenOn = true;
+            } else if (action.equals(Intent.ACTION_SCREEN_OFF)) {
+                mScreenOn = false;
             } else if (action.equals(TelephonyManager.ACTION_PHONE_STATE_CHANGED)) {
-                mInCall = (intent.getStringExtra(TelephonyManager.EXTRA_STATE).equals(TelephonyManager.EXTRA_STATE_OFFHOOK));
+                mInCall = (intent.getStringExtra(TelephonyManager.EXTRA_STATE).equals(
+                        TelephonyManager.EXTRA_STATE_OFFHOOK));
                 updateNotificationPulse();
+            } else if (action.equals(Intent.ACTION_USER_PRESENT)) {
+                // turn off LED when user passes through lock screen
+                mNotificationLight.turnOff();
             }
         }
     };
@@ -417,6 +428,7 @@ public void update() {
         filter.addAction(Intent.ACTION_SCREEN_ON);
         filter.addAction(Intent.ACTION_SCREEN_OFF);
         filter.addAction(TelephonyManager.ACTION_PHONE_STATE_CHANGED);
+        filter.addAction(Intent.ACTION_USER_PRESENT);
         mContext.registerReceiver(mIntentReceiver, filter);
         IntentFilter pkgFilter = new IntentFilter();
         pkgFilter.addAction(Intent.ACTION_PACKAGE_REMOVED);
@@ -1057,8 +1069,8 @@ private void updateLightsLocked()
             }
         }
 
-        // Don't flash while we are in a call
-        if (mLedNotification == null || mInCall) {
+        // Don't flash while we are in a call or screen is on
+        if (mLedNotification == null || mInCall || mScreenOn) {
             mNotificationLight.turnOff();
         } else {
             int ledARGB = mLedNotification.notification.ledARGB;