Allow trackpad to tune RAPID_DECELERATION_FACTOR for gesture nav

- RAPID_DECELERATION_FACTOR determines whether swipe up from app takes the user to overview vs. home

Bug: 355457714
Test: adb shell setprop trackpad_in_app_swipe_up_deceleration_factor 0.6f
Flag: EXEMPT bugfix

Change-Id: I205e72c82dc08b9e542420ca1adc8f7c0eb0953d
diff --git a/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/NoButtonNavbarToOverviewTouchController.java b/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/NoButtonNavbarToOverviewTouchController.java
index 5377983..d1aa472 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/NoButtonNavbarToOverviewTouchController.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/NoButtonNavbarToOverviewTouchController.java
@@ -88,6 +88,7 @@
     private ObjectAnimator mNormalToHintOverviewScrimAnimator;
 
     private final QuickstepLauncher mLauncher;
+    private boolean mIsTrackpadSwipe;
 
     /**
      * @param cancelSplitRunnable Called when split placeholder view needs to be cancelled.
@@ -106,9 +107,9 @@
 
     @Override
     protected boolean canInterceptTouch(MotionEvent ev) {
-        boolean isTrackpadEvent = isTrackpadMotionEvent(ev);
-        mLauncher.setCanShowAllAppsEducationView(!isTrackpadEvent);
-        if (!isTrackpadEvent && DisplayController.getNavigationMode(mLauncher)
+        mIsTrackpadSwipe = isTrackpadMotionEvent(ev);
+        mLauncher.setCanShowAllAppsEducationView(!mIsTrackpadSwipe);
+        if (!mIsTrackpadSwipe && DisplayController.getNavigationMode(mLauncher)
                 == THREE_BUTTONS) {
             return false;
         }
@@ -152,6 +153,7 @@
         super.onDragStart(start, startDisplacement);
 
         mMotionPauseDetector.clear();
+        mMotionPauseDetector.setIsTrackpadGesture(mIsTrackpadSwipe);
 
         if (handlingOverviewAnim()) {
             InteractionJankMonitorWrapper.begin(mRecentsView, Cuj.CUJ_LAUNCHER_APP_SWIPE_TO_RECENTS,
@@ -195,6 +197,7 @@
         }
 
         mMotionPauseDetector.clear();
+        mIsTrackpadSwipe = false;
         mNormalToHintOverviewScrimAnimator = null;
         if (mLauncher.isInState(OVERVIEW)) {
             // Normally we would cleanup the state based on mCurrentAnimation, but since we stop
diff --git a/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/NoButtonQuickSwitchTouchController.java b/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/NoButtonQuickSwitchTouchController.java
index ab277b6..0da7b2d 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/NoButtonQuickSwitchTouchController.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/NoButtonQuickSwitchTouchController.java
@@ -121,6 +121,7 @@
     private AnimatorPlaybackController mNonOverviewAnim;
     private AnimatorPlaybackController mXOverviewAnim;
     private AnimatedFloat mYOverviewAnim;
+    private boolean mIsTrackpadSwipe;
 
     public NoButtonQuickSwitchTouchController(QuickstepLauncher launcher) {
         mLauncher = launcher;
@@ -177,7 +178,8 @@
             return false;
         }
         if (isTrackpadMultiFingerSwipe(ev)) {
-            return isTrackpadFourFingerSwipe(ev);
+            mIsTrackpadSwipe = isTrackpadFourFingerSwipe(ev);
+            return mIsTrackpadSwipe;
         }
         return true;
     }
@@ -185,6 +187,7 @@
     @Override
     public void onDragStart(boolean start) {
         mMotionPauseDetector.clear();
+        mMotionPauseDetector.setIsTrackpadGesture(mIsTrackpadSwipe);
         if (start) {
             InteractionJankMonitorWrapper.begin(mRecentsView, Cuj.CUJ_LAUNCHER_QUICK_SWITCH);
             InteractionJankMonitorWrapper.begin(mRecentsView, Cuj.CUJ_LAUNCHER_APP_SWIPE_TO_RECENTS,
diff --git a/quickstep/src/com/android/quickstep/inputconsumers/OtherActivityInputConsumer.java b/quickstep/src/com/android/quickstep/inputconsumers/OtherActivityInputConsumer.java
index 13b6447..69d3bc9 100644
--- a/quickstep/src/com/android/quickstep/inputconsumers/OtherActivityInputConsumer.java
+++ b/quickstep/src/com/android/quickstep/inputconsumers/OtherActivityInputConsumer.java
@@ -409,6 +409,7 @@
         mInteractionHandler = mHandlerFactory.newHandler(mGestureState, touchTimeMs);
         mInteractionHandler.setGestureEndCallback(this::onInteractionGestureFinished);
         mMotionPauseDetector.setOnMotionPauseListener(mInteractionHandler.getMotionPauseListener());
+        mMotionPauseDetector.setIsTrackpadGesture(mGestureState.isTrackpadGesture());
         mInteractionHandler.initWhenReady(
                 "OtherActivityInputConsumer.startTouchTrackingForWindowAnimation");
 
diff --git a/quickstep/src/com/android/quickstep/util/MotionPauseDetector.java b/quickstep/src/com/android/quickstep/util/MotionPauseDetector.java
index b8bc828..15081da 100644
--- a/quickstep/src/com/android/quickstep/util/MotionPauseDetector.java
+++ b/quickstep/src/com/android/quickstep/util/MotionPauseDetector.java
@@ -66,6 +66,7 @@
     private Float mPreviousVelocity = null;
 
     private OnMotionPauseListener mOnMotionPauseListener;
+    private boolean mIsTrackpadGesture;
     private boolean mIsPaused;
     // Bias more for the first pause to make it feel extra responsive.
     private boolean mHasEverBeenPaused;
@@ -115,6 +116,10 @@
         mOnMotionPauseListener = listener;
     }
 
+    public void setIsTrackpadGesture(boolean isTrackpadGesture) {
+        mIsTrackpadGesture = isTrackpadGesture;
+    }
+
     /**
      * @param disallowPause If true, we will not detect any pauses until this is set to false again.
      */
@@ -179,7 +184,8 @@
                     // We want to be more aggressive about detecting the first pause to ensure it
                     // feels as responsive as possible; getting two very slow speeds back to back
                     // takes too long, so also check for a rapid deceleration.
-                    boolean isRapidDeceleration = speed < previousSpeed * RAPID_DECELERATION_FACTOR;
+                    boolean isRapidDeceleration =
+                            speed < previousSpeed * getRapidDecelerationFactor();
                     isPaused = isRapidDeceleration && speed < mSpeedSomewhatFast;
                     isPausedReason = new ActiveGestureLog.CompoundString(
                             "Didn't have back to back slow speeds, checking for rapid ")
@@ -253,6 +259,7 @@
         mVelocityProvider.clear();
         mPreviousVelocity = null;
         setOnMotionPauseListener(null);
+        mIsTrackpadGesture = false;
         mIsPaused = mHasEverBeenPaused = false;
         mSlowStartTime = 0;
         mForcePauseTimeout.cancelAlarm();
@@ -262,6 +269,12 @@
         return mIsPaused;
     }
 
+    private float getRapidDecelerationFactor() {
+        return mIsTrackpadGesture ? Float.parseFloat(
+                Utilities.getSystemProperty("trackpad_in_app_swipe_up_deceleration_factor",
+                        String.valueOf(RAPID_DECELERATION_FACTOR))) : RAPID_DECELERATION_FACTOR;
+    }
+
     public interface OnMotionPauseListener {
         /** Called only the first time motion pause is detected. */
         void onMotionPauseDetected();