Don't do anti-falsing on locked shade

The user has already passed the keyguard test by
dragging down. We're not doing anti falsing at this
point and doing it on the affordance was triggering
a crash on debuggable builds (and not working at all
on regular builds).

Change-Id: Icaf81e8e2a38503851c7b5699a0f5a3d363dac19
Fixes: 28154836

packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardAffordanceHelper.java

@@ -43,9 +43,9 @@ public class KeyguardAffordanceHelper {
     private static final int HINT_CIRCLE_OPEN_DURATION = 500;
 
     private final Context mContext;
+    private final Callback mCallback;
 
     private FlingAnimationUtils mFlingAnimationUtils;
-    private Callback mCallback;
     private VelocityTracker mVelocityTracker;
     private boolean mSwipingInProgress;
     private float mInitialTouchX;
@@ -318,12 +318,11 @@ public class KeyguardAffordanceHelper {
         float vel = getCurrentVelocity(lastX, lastY);
 
         // We snap back if the current translation is not far enough
-        boolean snapBack;
-        if (mFalsingManager.isFalseTouch()) {
-            snapBack = mFalsingManager.isFalseTouch();
-        } else {
-            snapBack = isBelowFalsingThreshold();
+        boolean snapBack = false;
+        if (mCallback.needsAntiFalsing()) {
+            snapBack = snapBack || mFalsingManager.isFalseTouch();
         }
+        snapBack = snapBack || isBelowFalsingThreshold();
 
         // or if the velocity is in the opposite direction.
         boolean velIsInWrongDirection = vel * mTranslation < 0;
@@ -582,5 +581,7 @@ public class KeyguardAffordanceHelper {
          * @return The factor the minimum swipe amount should be multiplied with.
          */
         float getAffordanceFalsingFactor();
+
+        boolean needsAntiFalsing();
     }
 }

packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelView.java

@@ -701,7 +701,7 @@ public class NotificationPanelView extends PanelView implements
     }
 
     private boolean isFalseTouch() {
-        if (mStatusBarState != StatusBarState.KEYGUARD) {
+        if (!needsAntiFalsing()) {
             return false;
         }
         if (mFalsingManager.isClassiferEnabled()) {
@@ -1940,6 +1940,11 @@ public class NotificationPanelView extends PanelView implements
         return mStatusBar.isWakeUpComingFromTouch() ? 1.5f : 1.0f;
     }
 
+    @Override
+    public boolean needsAntiFalsing() {
+        return mStatusBarState == StatusBarState.KEYGUARD;
+    }
+
     @Override
     protected float getPeekHeight() {
         if (mNotificationStackScroller.getNotGoneChildCount() > 0) {