Allow BrightLineFalsingManager settings to be experimented with via Phenotype.

This is a CP of http://ag/8687829

Bug: 138308096
Test: atest SystemUITests
Change-Id: I9e2b22b157c45da1606466acdfff3c5de7f182e1
Merged-In: I9fa4d1344bb184dea00f92f8d265667f0be11466
(cherry picked from commit e38da07841f8d226e2c024709adfd4b866036fb1)
diff --git a/core/java/com/android/internal/config/sysui/SystemUiDeviceConfigFlags.java b/core/java/com/android/internal/config/sysui/SystemUiDeviceConfigFlags.java
index 4daddfb..8dc47a4 100644
--- a/core/java/com/android/internal/config/sysui/SystemUiDeviceConfigFlags.java
+++ b/core/java/com/android/internal/config/sysui/SystemUiDeviceConfigFlags.java
@@ -186,6 +186,89 @@
      */
     public static final String BRIGHTLINE_FALSING_MANAGER_ENABLED =
             "brightline_falsing_manager_enabled";
+    /**
+     * (float) Maximum fraction of the screen required to qualify as a real swipe.
+     */
+    public static final String BRIGHTLINE_FALSING_DISTANCE_SCREEN_FRACTION_MAX_DISTANCE =
+            "brightline_falsing_distance_screen_fraction_max_distance";
+
+    /**
+     * (float) Multiplier for swipe velocity to convert it to pixels for a fling.
+     */
+    public static final String BRIGHTLINE_FALSING_DISTANCE_VELOCITY_TO_DISTANCE =
+            "brightline_falsing_distance_velcoity_to_distance";
+
+    /**
+     * (float) How far, in inches, must a fling travel horizontally to qualify as intentional.
+     */
+    public static final String BRIGHTLINE_FALSING_DISTANCE_HORIZONTAL_FLING_THRESHOLD_IN =
+            "brightline_falsing_distance_horizontal_fling_threshold_in";
+
+    /**
+     * (float) Maximum fraction of the screen required to qualify as a real swipe.
+     */
+    public static final String BRIGHTLINE_FALSING_DISTANCE_VERTICAL_FLING_THRESHOLD_IN =
+            "brightline_falsing_distance_vertical_fling_threshold_in";
+
+    /**
+     * (float) How far, in inches, must a continuous swipe travel horizontally to be intentional.
+     */
+    public static final String BRIGHTLINE_FALSING_DISTANCE_HORIZONTAL_SWIPE_THRESHOLD_IN =
+            "brightline_falsing_distance_horizontal_swipe_threshold_in";
+
+    /**
+     * (float) How far, in inches, must a continuous swipe travel vertically to be intentional.
+     */
+    public static final String BRIGHTLINE_FALSING_DISTANCE_VERTICAL_SWIPE_THRESHOLD_IN =
+            "brightline_falsing_distance_horizontal_swipe_threshold_in";
+
+    /**
+     * (float) Percentage of swipe with the proximity sensor covered that triggers a higher
+     * swipe distance requirement.
+     */
+    public static final String BRIGHTLINE_FALSING_PROXIMITY_PERCENT_COVERED_THRESHOLD =
+            "brightline_falsing_proximity_percent_covered_threshold";
+
+    /**
+     * (float) Angle, in radians, that a swipe can vary from horizontal and sill be intentional.
+     */
+    public static final String BRIGHTLINE_FALSING_DIAGONAL_HORIZONTAL_ANGLE_RANGE =
+            "brightline_falsing_diagonal_horizontal_angle_range";
+
+    /**
+     * (float) Angle, in radians, that a swipe can vary from vertical and sill be intentional.
+     */
+    public static final String BRIGHTLINE_FALSING_DIAGONAL_VERTICAL_ANGLE_RANGE =
+            "brightline_falsing_diagonal_horizontal_angle_range";
+
+    /**
+     * (float) Distance, in inches, that a swipe is allowed to vary in the horizontal direction for
+     * horizontal swipes.
+     */
+    public static final String BRIGHTLINE_FALSING_ZIGZAG_X_PRIMARY_DEVIANCE =
+            "brightline_falsing_zigzag_x_primary_deviance";
+
+    /**
+     * (float) Distance, in inches, that a swipe is allowed to vary in the vertical direction for
+     * vertical swipes.
+     */
+    public static final String BRIGHTLINE_FALSING_ZIGZAG_Y_PRIMARY_DEVIANCE =
+            "brightline_falsing_zigzag_y_primary_deviance";
+
+    /**
+     * (float) Distance, in inches, that a swipe is allowed to vary in the horizontal direction for
+     * horizontal swipes.
+     */
+    public static final String BRIGHTLINE_FALSING_ZIGZAG_X_SECONDARY_DEVIANCE =
+            "brightline_falsing_zigzag_x_secondary_deviance";
+
+    /**
+     * (float) Distance, in inches, that a swipe is allowed to vary in the vertical direction for
+     * vertical swipes.
+     */
+    public static final String BRIGHTLINE_FALSING_ZIGZAG_Y_SECONDARY_DEVIANCE =
+            "brightline_falsing_zigzag_y_secondary_deviance";
+
 
     private SystemUiDeviceConfigFlags() { }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/classifier/brightline/DiagonalClassifier.java b/packages/SystemUI/src/com/android/systemui/classifier/brightline/DiagonalClassifier.java
index 730907e..cc66454 100644
--- a/packages/SystemUI/src/com/android/systemui/classifier/brightline/DiagonalClassifier.java
+++ b/packages/SystemUI/src/com/android/systemui/classifier/brightline/DiagonalClassifier.java
@@ -16,9 +16,13 @@
 
 package com.android.systemui.classifier.brightline;
 
+import static com.android.internal.config.sysui.SystemUiDeviceConfigFlags.BRIGHTLINE_FALSING_DIAGONAL_HORIZONTAL_ANGLE_RANGE;
+import static com.android.internal.config.sysui.SystemUiDeviceConfigFlags.BRIGHTLINE_FALSING_DIAGONAL_VERTICAL_ANGLE_RANGE;
 import static com.android.systemui.classifier.Classifier.LEFT_AFFORDANCE;
 import static com.android.systemui.classifier.Classifier.RIGHT_AFFORDANCE;
 
+import android.provider.DeviceConfig;
+
 /**
  * False on swipes that are too close to 45 degrees.
  *
@@ -35,8 +39,20 @@
     private static final float ONE_HUNDRED_EIGHTY_DEG = (float) (Math.PI);
     private static final float THREE_HUNDRED_SIXTY_DEG = (float) (2 * Math.PI);
 
+    private final float mHorizontalAngleRange;
+    private final float mVerticalAngleRange;
+
     DiagonalClassifier(FalsingDataProvider dataProvider) {
         super(dataProvider);
+
+        mHorizontalAngleRange = DeviceConfig.getFloat(
+                DeviceConfig.NAMESPACE_SYSTEMUI,
+                BRIGHTLINE_FALSING_DIAGONAL_HORIZONTAL_ANGLE_RANGE,
+                HORIZONTAL_ANGLE_RANGE);
+        mVerticalAngleRange = DeviceConfig.getFloat(
+                DeviceConfig.NAMESPACE_SYSTEMUI,
+                BRIGHTLINE_FALSING_DIAGONAL_VERTICAL_ANGLE_RANGE,
+                VERTICAL_ANGLE_RANGE);
     }
 
     @Override
@@ -52,11 +68,11 @@
             return false;
         }
 
-        float minAngle = DIAGONAL - HORIZONTAL_ANGLE_RANGE;
-        float maxAngle = DIAGONAL + HORIZONTAL_ANGLE_RANGE;
+        float minAngle = DIAGONAL - mHorizontalAngleRange;
+        float maxAngle = DIAGONAL + mHorizontalAngleRange;
         if (isVertical()) {
-            minAngle = DIAGONAL - VERTICAL_ANGLE_RANGE;
-            maxAngle = DIAGONAL + VERTICAL_ANGLE_RANGE;
+            minAngle = DIAGONAL - mVerticalAngleRange;
+            maxAngle = DIAGONAL + mVerticalAngleRange;
         }
 
         return angleBetween(angle, minAngle, maxAngle)
diff --git a/packages/SystemUI/src/com/android/systemui/classifier/brightline/DistanceClassifier.java b/packages/SystemUI/src/com/android/systemui/classifier/brightline/DistanceClassifier.java
index 005ee12..a6a617d 100644
--- a/packages/SystemUI/src/com/android/systemui/classifier/brightline/DistanceClassifier.java
+++ b/packages/SystemUI/src/com/android/systemui/classifier/brightline/DistanceClassifier.java
@@ -16,6 +16,14 @@
 
 package com.android.systemui.classifier.brightline;
 
+import static com.android.internal.config.sysui.SystemUiDeviceConfigFlags.BRIGHTLINE_FALSING_DISTANCE_HORIZONTAL_FLING_THRESHOLD_IN;
+import static com.android.internal.config.sysui.SystemUiDeviceConfigFlags.BRIGHTLINE_FALSING_DISTANCE_HORIZONTAL_SWIPE_THRESHOLD_IN;
+import static com.android.internal.config.sysui.SystemUiDeviceConfigFlags.BRIGHTLINE_FALSING_DISTANCE_SCREEN_FRACTION_MAX_DISTANCE;
+import static com.android.internal.config.sysui.SystemUiDeviceConfigFlags.BRIGHTLINE_FALSING_DISTANCE_VELOCITY_TO_DISTANCE;
+import static com.android.internal.config.sysui.SystemUiDeviceConfigFlags.BRIGHTLINE_FALSING_DISTANCE_VERTICAL_FLING_THRESHOLD_IN;
+import static com.android.internal.config.sysui.SystemUiDeviceConfigFlags.BRIGHTLINE_FALSING_DISTANCE_VERTICAL_SWIPE_THRESHOLD_IN;
+
+import android.provider.DeviceConfig;
 import android.view.MotionEvent;
 import android.view.VelocityTracker;
 
@@ -31,12 +39,13 @@
     private static final float HORIZONTAL_SWIPE_THRESHOLD_DISTANCE_IN = 3;
     private static final float VERTICAL_SWIPE_THRESHOLD_DISTANCE_IN = 3;
     private static final float VELOCITY_TO_DISTANCE = 80f;
-    private static final float SCREEN_FRACTION_MIN_DISTANCE = 0.8f;
+    private static final float SCREEN_FRACTION_MAX_DISTANCE = 0.8f;
 
     private final float mVerticalFlingThresholdPx;
     private final float mHorizontalFlingThresholdPx;
     private final float mVerticalSwipeThresholdPx;
     private final float mHorizontalSwipeThresholdPx;
+    private final float mVelocityToDistanceMultiplier;
 
     private boolean mDistanceDirty;
     private DistanceVectors mCachedDistance;
@@ -44,18 +53,48 @@
     DistanceClassifier(FalsingDataProvider dataProvider) {
         super(dataProvider);
 
+        mVelocityToDistanceMultiplier = DeviceConfig.getFloat(
+                DeviceConfig.NAMESPACE_SYSTEMUI,
+                BRIGHTLINE_FALSING_DISTANCE_VELOCITY_TO_DISTANCE,
+                VELOCITY_TO_DISTANCE);
+
+        float horizontalFlingThresholdIn = DeviceConfig.getFloat(
+                DeviceConfig.NAMESPACE_SYSTEMUI,
+                BRIGHTLINE_FALSING_DISTANCE_HORIZONTAL_FLING_THRESHOLD_IN,
+                HORIZONTAL_FLING_THRESHOLD_DISTANCE_IN);
+
+        float verticalFlingThresholdIn = DeviceConfig.getFloat(
+                DeviceConfig.NAMESPACE_SYSTEMUI,
+                BRIGHTLINE_FALSING_DISTANCE_VERTICAL_FLING_THRESHOLD_IN,
+                VERTICAL_FLING_THRESHOLD_DISTANCE_IN);
+
+        float horizontalSwipeThresholdIn = DeviceConfig.getFloat(
+                DeviceConfig.NAMESPACE_SYSTEMUI,
+                BRIGHTLINE_FALSING_DISTANCE_HORIZONTAL_SWIPE_THRESHOLD_IN,
+                HORIZONTAL_SWIPE_THRESHOLD_DISTANCE_IN);
+
+        float verticalSwipeThresholdIn = DeviceConfig.getFloat(
+                DeviceConfig.NAMESPACE_SYSTEMUI,
+                BRIGHTLINE_FALSING_DISTANCE_VERTICAL_SWIPE_THRESHOLD_IN,
+                VERTICAL_SWIPE_THRESHOLD_DISTANCE_IN);
+
+        float screenFractionMaxDistance = DeviceConfig.getFloat(
+                DeviceConfig.NAMESPACE_SYSTEMUI,
+                BRIGHTLINE_FALSING_DISTANCE_SCREEN_FRACTION_MAX_DISTANCE,
+                SCREEN_FRACTION_MAX_DISTANCE);
+
         mHorizontalFlingThresholdPx = Math
-                .min(getWidthPixels() * SCREEN_FRACTION_MIN_DISTANCE,
-                        HORIZONTAL_FLING_THRESHOLD_DISTANCE_IN * getXdpi());
+                .min(getWidthPixels() * screenFractionMaxDistance,
+                        horizontalFlingThresholdIn * getXdpi());
         mVerticalFlingThresholdPx = Math
-                .min(getHeightPixels() * SCREEN_FRACTION_MIN_DISTANCE,
-                        VERTICAL_FLING_THRESHOLD_DISTANCE_IN * getYdpi());
+                .min(getHeightPixels() * screenFractionMaxDistance,
+                        verticalFlingThresholdIn * getYdpi());
         mHorizontalSwipeThresholdPx = Math
-                .min(getWidthPixels() * SCREEN_FRACTION_MIN_DISTANCE,
-                        HORIZONTAL_SWIPE_THRESHOLD_DISTANCE_IN * getXdpi());
+                .min(getWidthPixels() * screenFractionMaxDistance,
+                        horizontalSwipeThresholdIn * getXdpi());
         mVerticalSwipeThresholdPx = Math
-                .min(getHeightPixels() * SCREEN_FRACTION_MIN_DISTANCE,
-                        VERTICAL_SWIPE_THRESHOLD_DISTANCE_IN * getYdpi());
+                .min(getHeightPixels() * screenFractionMaxDistance,
+                        verticalSwipeThresholdIn * getYdpi());
         mDistanceDirty = true;
     }
 
@@ -139,18 +178,18 @@
         }
 
         boolean getPassedFlingThreshold() {
-            float dX = this.mDx + this.mVx * VELOCITY_TO_DISTANCE;
-            float dY = this.mDy + this.mVy * VELOCITY_TO_DISTANCE;
+            float dX = this.mDx + this.mVx * mVelocityToDistanceMultiplier;
+            float dY = this.mDy + this.mVy * mVelocityToDistanceMultiplier;
 
             if (isHorizontal()) {
                 logDebug("Horizontal swipe and fling distance: " + this.mDx + ", "
-                        + this.mVx * VELOCITY_TO_DISTANCE);
+                        + this.mVx * mVelocityToDistanceMultiplier);
                 logDebug("Threshold: " + mHorizontalFlingThresholdPx);
                 return Math.abs(dX) >= mHorizontalFlingThresholdPx;
             }
 
             logDebug("Vertical swipe and fling distance: " + this.mDy + ", "
-                    + this.mVy * VELOCITY_TO_DISTANCE);
+                    + this.mVy * mVelocityToDistanceMultiplier);
             logDebug("Threshold: " + mVerticalFlingThresholdPx);
             return Math.abs(dY) >= mVerticalFlingThresholdPx;
         }
diff --git a/packages/SystemUI/src/com/android/systemui/classifier/brightline/ProximityClassifier.java b/packages/SystemUI/src/com/android/systemui/classifier/brightline/ProximityClassifier.java
index 94a8ac85..2644bf9 100644
--- a/packages/SystemUI/src/com/android/systemui/classifier/brightline/ProximityClassifier.java
+++ b/packages/SystemUI/src/com/android/systemui/classifier/brightline/ProximityClassifier.java
@@ -16,10 +16,12 @@
 
 package com.android.systemui.classifier.brightline;
 
+import static com.android.internal.config.sysui.SystemUiDeviceConfigFlags.BRIGHTLINE_FALSING_PROXIMITY_PERCENT_COVERED_THRESHOLD;
 import static com.android.systemui.classifier.Classifier.QUICK_SETTINGS;
 
 import android.hardware.Sensor;
 import android.hardware.SensorEvent;
+import android.provider.DeviceConfig;
 import android.view.MotionEvent;
 
 
@@ -31,8 +33,9 @@
  */
 class ProximityClassifier extends FalsingClassifier {
 
-    private static final double PERCENT_COVERED_THRESHOLD = 0.1;
+    private static final float PERCENT_COVERED_THRESHOLD = 0.1f;
     private final DistanceClassifier mDistanceClassifier;
+    private final float mPercentCoveredThreshold;
 
     private boolean mNear;
     private long mGestureStartTimeNs;
@@ -44,6 +47,11 @@
             FalsingDataProvider dataProvider) {
         super(dataProvider);
         this.mDistanceClassifier = distanceClassifier;
+
+        mPercentCoveredThreshold = DeviceConfig.getFloat(
+                DeviceConfig.NAMESPACE_SYSTEMUI,
+                BRIGHTLINE_FALSING_PROXIMITY_PERCENT_COVERED_THRESHOLD,
+                PERCENT_COVERED_THRESHOLD);
     }
 
     @Override
@@ -107,7 +115,7 @@
 
         logInfo("Percent of gesture in proximity: " + mPercentNear);
 
-        if (mPercentNear > PERCENT_COVERED_THRESHOLD) {
+        if (mPercentNear > mPercentCoveredThreshold) {
             return !mDistanceClassifier.isLongSwipe();
         }
 
diff --git a/packages/SystemUI/src/com/android/systemui/classifier/brightline/ZigZagClassifier.java b/packages/SystemUI/src/com/android/systemui/classifier/brightline/ZigZagClassifier.java
index a62574f..c58b7db 100644
--- a/packages/SystemUI/src/com/android/systemui/classifier/brightline/ZigZagClassifier.java
+++ b/packages/SystemUI/src/com/android/systemui/classifier/brightline/ZigZagClassifier.java
@@ -16,7 +16,13 @@
 
 package com.android.systemui.classifier.brightline;
 
+import static com.android.internal.config.sysui.SystemUiDeviceConfigFlags.BRIGHTLINE_FALSING_ZIGZAG_X_PRIMARY_DEVIANCE;
+import static com.android.internal.config.sysui.SystemUiDeviceConfigFlags.BRIGHTLINE_FALSING_ZIGZAG_X_SECONDARY_DEVIANCE;
+import static com.android.internal.config.sysui.SystemUiDeviceConfigFlags.BRIGHTLINE_FALSING_ZIGZAG_Y_PRIMARY_DEVIANCE;
+import static com.android.internal.config.sysui.SystemUiDeviceConfigFlags.BRIGHTLINE_FALSING_ZIGZAG_Y_SECONDARY_DEVIANCE;
+
 import android.graphics.Point;
+import android.provider.DeviceConfig;
 import android.view.MotionEvent;
 
 import java.util.ArrayList;
@@ -37,8 +43,34 @@
     private static final float MAX_X_SECONDARY_DEVIANCE = .3f;
     private static final float MAX_Y_SECONDARY_DEVIANCE = .3f;
 
+    private final float mMaxXPrimaryDeviance;
+    private final float mMaxYPrimaryDeviance;
+    private final float mMaxXSecondaryDeviance;
+    private final float mMaxYSecondaryDeviance;
+
     ZigZagClassifier(FalsingDataProvider dataProvider) {
         super(dataProvider);
+
+        mMaxXPrimaryDeviance = DeviceConfig.getFloat(
+                DeviceConfig.NAMESPACE_SYSTEMUI,
+                BRIGHTLINE_FALSING_ZIGZAG_X_PRIMARY_DEVIANCE,
+                MAX_X_PRIMARY_DEVIANCE);
+
+        mMaxYPrimaryDeviance = DeviceConfig.getFloat(
+                DeviceConfig.NAMESPACE_SYSTEMUI,
+                BRIGHTLINE_FALSING_ZIGZAG_Y_PRIMARY_DEVIANCE,
+                MAX_Y_PRIMARY_DEVIANCE);
+
+        mMaxXSecondaryDeviance = DeviceConfig.getFloat(
+                DeviceConfig.NAMESPACE_SYSTEMUI,
+                BRIGHTLINE_FALSING_ZIGZAG_X_SECONDARY_DEVIANCE,
+                MAX_X_SECONDARY_DEVIANCE);
+
+        mMaxYSecondaryDeviance = DeviceConfig.getFloat(
+                DeviceConfig.NAMESPACE_SYSTEMUI,
+                BRIGHTLINE_FALSING_ZIGZAG_Y_SECONDARY_DEVIANCE,
+                MAX_Y_SECONDARY_DEVIANCE);
+
     }
 
     @Override
@@ -98,11 +130,11 @@
         float maxXDeviance;
         float maxYDeviance;
         if (actualDx > actualDy) {
-            maxXDeviance = MAX_X_PRIMARY_DEVIANCE * totalDistanceIn * getXdpi();
-            maxYDeviance = MAX_Y_SECONDARY_DEVIANCE * totalDistanceIn * getYdpi();
+            maxXDeviance = mMaxXPrimaryDeviance * totalDistanceIn * getXdpi();
+            maxYDeviance = mMaxYSecondaryDeviance * totalDistanceIn * getYdpi();
         } else {
-            maxXDeviance = MAX_X_SECONDARY_DEVIANCE * totalDistanceIn * getXdpi();
-            maxYDeviance = MAX_Y_PRIMARY_DEVIANCE * totalDistanceIn * getYdpi();
+            maxXDeviance = mMaxXSecondaryDeviance * totalDistanceIn * getXdpi();
+            maxYDeviance = mMaxYPrimaryDeviance * totalDistanceIn * getYdpi();
         }
 
         logDebug("Straightness Deviance: (" + devianceX + "," + devianceY + ") vs "