UNC: improved user present detection logic

More info
GravityBox#1667 (comment)

Author: C3C0

src/com/ceco/oreo/gravitybox/ModLedControl.java

@@ -94,7 +94,6 @@ public class ModLedControl {
     private static Sensor mProxSensor;
     private static QuietHours mQuietHours;
     private static Map<String, Long> mNotifTimestamps = new HashMap<String, Long>();
-    private static boolean mUserPresent;
     private static Object mNotifManagerService;
     private static boolean mProximityWakeUpEnabled;
     private static boolean mScreenOnDueToActiveScreen;
@@ -170,10 +169,8 @@ public void onReceive(Context context, Intent intent) {
                 mQuietHours = new QuietHours(intent.getExtras());
             } else if (action.equals(Intent.ACTION_USER_PRESENT)) {
                 if (DEBUG) log("User present");
-                mUserPresent = true;
                 mScreenOnDueToActiveScreen = false;
             } else if (action.equals(Intent.ACTION_SCREEN_OFF)) {
-                mUserPresent = false;
                 mScreenOnDueToActiveScreen = false;
             } else if (action.equals(ACTION_CLEAR_NOTIFICATIONS)) {
                 clearNotifications();
@@ -422,7 +419,7 @@ protected void afterHookedMethod(final MethodHookParam param) throws Throwable {
                             ls.getVisibilityLs() != VisibilityLs.CLEARABLE &&
                             ls.getVisibilityLs() != VisibilityLs.ALL &&
                             !qhActiveIncludingActiveScreen && !isOngoing &&
-                            mPm != null && mKm.isKeyguardLocked()) {
+                            !userPresent) {
                         n.extras.putBoolean(NOTIF_EXTRA_ACTIVE_SCREEN, true);
                         n.extras.putString(NOTIF_EXTRA_ACTIVE_SCREEN_MODE,
                                 ls.getActiveScreenMode().toString());
@@ -444,18 +441,40 @@ protected void afterHookedMethod(final MethodHookParam param) throws Throwable {
         }
     };
 
+    private static PowerManager getPowerManager() {
+        if (mPm == null) {
+            mPm = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE);
+        }
+        return mPm;
+    }
+
+    private static KeyguardManager getKeyguardManager() {
+        if (mKm == null) {
+            mKm = (KeyguardManager) mContext.getSystemService(Context.KEYGUARD_SERVICE);
+        }
+        return mKm;
+    }
+
+    private static TelephonyManager getTelephonyManager() {
+        if (mTelephonyManager == null) {
+            mTelephonyManager = (TelephonyManager)
+                mContext.getSystemService(Context.TELEPHONY_SERVICE);
+        }
+        return mTelephonyManager;
+    }
+
     private static boolean isUserPresent() {
         try {
-            if (mTelephonyManager == null) {
-                mTelephonyManager = (TelephonyManager)
-                    mContext.getSystemService(Context.TELEPHONY_SERVICE);
-            }
-            final int callState = mTelephonyManager.getCallState();
-            if (DEBUG) log("isUserPresent: call state: " + callState);
-            return (mUserPresent || callState == TelephonyManager.CALL_STATE_OFFHOOK);
+            final boolean interactive =
+                    getPowerManager().isInteractive() &&
+                    !getKeyguardManager().isKeyguardLocked();
+            final int callState = getTelephonyManager().getCallState();
+            if (DEBUG) log("isUserPresent: interactive=" + interactive +
+                    "; call state=" + callState);
+            return (interactive || callState == TelephonyManager.CALL_STATE_OFFHOOK);
         } catch (Throwable t) {
             GravityBox.log(TAG, t);
-            return mUserPresent;
+            return false;
         }
     }
 
@@ -574,14 +593,13 @@ private static boolean shouldIgnoreUpdatedNotificationLight(Object record, boole
     }
 
     private static XC_MethodHook applyZenModeHook = new XC_MethodHook() {
-        @SuppressWarnings("deprecation")
         @Override
         protected void afterHookedMethod(final MethodHookParam param) throws Throwable {
             try {
                 Notification n = (Notification) XposedHelpers.callMethod(param.args[0], "getNotification");
                 if (!n.extras.containsKey(NOTIF_EXTRA_ACTIVE_SCREEN) ||
                         !n.extras.containsKey(NOTIF_EXTRA_ACTIVE_SCREEN_MODE) ||
-                        !(mPm != null && !mPm.isScreenOn() && mKm.isKeyguardLocked())) {
+                        isUserPresent()) {
                     n.extras.remove(NOTIF_EXTRA_ACTIVE_SCREEN);
                     return;
                 }
@@ -689,15 +707,11 @@ private static void updateActiveScreenFeature() {
         try {
             final boolean enable = !mUncLocked && mUncActiveScreenEnabled;  
             if (enable && mSm == null) {
-                mPm = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE);
-                mKm = (KeyguardManager) mContext.getSystemService(Context.KEYGUARD_SERVICE);
                 mSm = (SensorManager) mContext.getSystemService(Context.SENSOR_SERVICE);
                 mProxSensor = mSm.getDefaultSensor(Sensor.TYPE_PROXIMITY);
             } else if (!enable) {
                 mProxSensor = null;
                 mSm = null;
-                mPm = null;
-                mKm = null;
             }
             if (DEBUG) log("Active screen feature: " + enable);
         } catch (Throwable t) {
@@ -711,7 +725,7 @@ private static void performActiveScreen() {
             public void run() {
                 long ident = Binder.clearCallingIdentity();
                 try {
-                    XposedHelpers.callMethod(mPm, "wakeUp", SystemClock.uptimeMillis());
+                    XposedHelpers.callMethod(getPowerManager(), "wakeUp", SystemClock.uptimeMillis());
                     mScreenOnDueToActiveScreen = true;
                 } finally {
                     Binder.restoreCallingIdentity(ident);