diff --git a/quickstep/src/com/android/launcher3/hybridhotseat/HotseatPredictionModel.java b/quickstep/src/com/android/launcher3/hybridhotseat/HotseatPredictionModel.java
index 8f31c22..080633a 100644
--- a/quickstep/src/com/android/launcher3/hybridhotseat/HotseatPredictionModel.java
+++ b/quickstep/src/com/android/launcher3/hybridhotseat/HotseatPredictionModel.java
@@ -52,8 +52,7 @@
     public static Bundle convertDataModelToAppTargetBundle(Context context, BgDataModel dataModel) {
         Bundle bundle = new Bundle();
         ArrayList<AppTargetEvent> events = new ArrayList<>();
-        ArrayList<ItemInfo> workspaceItems = new ArrayList<>(dataModel.workspaceItems);
-        workspaceItems.addAll(dataModel.appWidgets);
+        ArrayList<ItemInfo> workspaceItems = dataModel.getAllWorkspaceItems();
         for (ItemInfo item : workspaceItems) {
             AppTarget target = getAppTargetFromInfo(context, item);
             if (target != null && !isTrackedForPrediction(item)) continue;
diff --git a/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/TaskViewTouchController.java b/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/TaskViewTouchController.java
index 9729695..7675a79 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/TaskViewTouchController.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/TaskViewTouchController.java
@@ -18,8 +18,6 @@
 import static com.android.launcher3.AbstractFloatingView.TYPE_ACCESSIBLE;
 import static com.android.launcher3.LauncherAnimUtils.SUCCESS_TRANSITION_PROGRESS;
 import static com.android.launcher3.touch.SingleAxisSwipeDetector.DIRECTION_BOTH;
-import static com.android.launcher3.touch.SingleAxisSwipeDetector.DIRECTION_NEGATIVE;
-import static com.android.launcher3.touch.SingleAxisSwipeDetector.DIRECTION_POSITIVE;
 
 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
@@ -59,6 +57,8 @@
 
     private AnimatorPlaybackController mCurrentAnimation;
     private boolean mCurrentAnimationIsGoingUp;
+    private boolean mAllowGoingUp;
+    private boolean mAllowGoingDown;
 
     private boolean mNoIntercept;
 
@@ -74,7 +74,7 @@
         mRecentsView = activity.getOverviewPanel();
         mIsRtl = Utilities.isRtl(activity.getResources());
         SingleAxisSwipeDetector.Direction dir =
-            mRecentsView.getPagedOrientationHandler().getOppositeSwipeDirection();
+                mRecentsView.getPagedOrientationHandler().getUpDownSwipeDirection();
         mDetector = new SingleAxisSwipeDetector(activity, this, dir);
     }
 
@@ -148,15 +148,24 @@
                             break;
                         }
                         mTaskBeingDragged = view;
+                        int upDirection = mRecentsView.getPagedOrientationHandler()
+                                .getUpDirection(mIsRtl);
                         if (!SysUINavigationMode.getMode(mActivity).hasGestures) {
                             // Don't allow swipe down to open if we don't support swipe up
                             // to enter overview.
-                            directionsToDetectScroll = DIRECTION_POSITIVE;
+                            directionsToDetectScroll = upDirection;
+                            mAllowGoingUp = true;
+                            mAllowGoingDown = false;
                         } else {
                             // The task can be dragged up to dismiss it,
                             // and down to open if it's the current page.
-                            directionsToDetectScroll = i == mRecentsView.getCurrentPage()
-                                    ? DIRECTION_BOTH : DIRECTION_POSITIVE;
+                            mAllowGoingUp = true;
+                            if (i == mRecentsView.getCurrentPage()) {
+                                mAllowGoingDown = true;
+                                directionsToDetectScroll = DIRECTION_BOTH;
+                            } else {
+                                directionsToDetectScroll = upDirection;
+                            }
                         }
                         break;
                     }
@@ -189,9 +198,7 @@
             // No need to init
             return;
         }
-        int scrollDirections = mDetector.getScrollDirections();
-        if (goingUp && ((scrollDirections & DIRECTION_POSITIVE) == 0)
-                || !goingUp && ((scrollDirections & DIRECTION_NEGATIVE) == 0)) {
+        if ((goingUp && !mAllowGoingUp) || (!goingUp && !mAllowGoingDown)) {
             // Trying to re-init in an unsupported direction.
             return;
         }
@@ -297,7 +304,8 @@
 
         mCurrentAnimation.setEndAction(this::clearState);
         mCurrentAnimation.startWithVelocity(mActivity, goingToEnd,
-                velocity, mEndDisplacement, animationDuration);
+                velocity * orientationHandler.getSecondaryTranslationDirectionFactor(),
+                mEndDisplacement, animationDuration);
     }
 
     private void clearState() {
diff --git a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
index 3c6299f..201dfe7 100644
--- a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
+++ b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
@@ -724,6 +724,7 @@
         setIsLikelyToStartNewTask(isLikelyToStartNewTask, false /* animate */);
         mStateCallback.setStateOnUiThread(STATE_GESTURE_STARTED);
         mGestureStarted = true;
+        mTaskViewSimulator.setDrawsBelowRecents(true);
     }
 
     /**
diff --git a/quickstep/src/com/android/quickstep/FallbackSwipeHandler.java b/quickstep/src/com/android/quickstep/FallbackSwipeHandler.java
index ffb05df..901040d 100644
--- a/quickstep/src/com/android/quickstep/FallbackSwipeHandler.java
+++ b/quickstep/src/com/android/quickstep/FallbackSwipeHandler.java
@@ -294,8 +294,12 @@
             if (mSurfaceControl != null) {
                 currentRect.roundOut(mTempRect);
                 Transaction t = new Transaction();
-                t.setGeometry(mSurfaceControl, null, mTempRect, Surface.ROTATION_0);
-                t.apply();
+                try {
+                    t.setGeometry(mSurfaceControl, null, mTempRect, Surface.ROTATION_0);
+                    t.apply();
+                } catch (RuntimeException e) {
+                    // Ignore
+                }
             }
         }
 
diff --git a/quickstep/src/com/android/quickstep/SwipeUpAnimationLogic.java b/quickstep/src/com/android/quickstep/SwipeUpAnimationLogic.java
index 4bb1bb5..f696efe 100644
--- a/quickstep/src/com/android/quickstep/SwipeUpAnimationLogic.java
+++ b/quickstep/src/com/android/quickstep/SwipeUpAnimationLogic.java
@@ -82,7 +82,6 @@
         mTaskViewSimulator.getOrientationState().update(
                 mDeviceState.getRotationTouchHelper().getCurrentActiveRotation(),
                 mDeviceState.getRotationTouchHelper().getDisplayRotation());
-        mTaskViewSimulator.setDrawsBelowRecents(true);
 
         mMaxShadowRadius = context.getResources().getDimensionPixelSize(R.dimen.max_shadow_radius);
         mTransformParams.setShadowRadius(mMaxShadowRadius);
diff --git a/quickstep/src/com/android/quickstep/util/SwipePipToHomeAnimator.java b/quickstep/src/com/android/quickstep/util/SwipePipToHomeAnimator.java
index 87fee79..16ca43d 100644
--- a/quickstep/src/com/android/quickstep/util/SwipePipToHomeAnimator.java
+++ b/quickstep/src/com/android/quickstep/util/SwipePipToHomeAnimator.java
@@ -16,8 +16,9 @@
 
 package com.android.quickstep.util;
 
+import static com.android.systemui.shared.system.InteractionJankMonitorWrapper.CUJ_APP_CLOSE_TO_PIP;
+
 import android.animation.Animator;
-import android.animation.AnimatorListenerAdapter;
 import android.animation.RectEvaluator;
 import android.animation.ValueAnimator;
 import android.content.ComponentName;
@@ -26,7 +27,9 @@
 
 import androidx.annotation.NonNull;
 
+import com.android.launcher3.anim.AnimationSuccessListener;
 import com.android.systemui.shared.pip.PipSurfaceTransactionHelper;
+import com.android.systemui.shared.system.InteractionJankMonitorWrapper;
 
 /**
  * An {@link Animator} that animates an Activity to PiP (picture-in-picture) window when
@@ -76,9 +79,27 @@
                 startBounds.right - sourceRectHint.right,
                 startBounds.bottom - sourceRectHint.bottom);
 
-        addListener(new AnimatorListenerAdapter() {
+        addListener(new AnimationSuccessListener() {
+            @Override
+            public void onAnimationStart(Animator animation) {
+                InteractionJankMonitorWrapper.begin(CUJ_APP_CLOSE_TO_PIP);
+                super.onAnimationStart(animation);
+            }
+
+            @Override
+            public void onAnimationCancel(Animator animation) {
+                super.onAnimationCancel(animation);
+                InteractionJankMonitorWrapper.cancel(CUJ_APP_CLOSE_TO_PIP);
+            }
+
+            @Override
+            public void onAnimationSuccess(Animator animator) {
+                InteractionJankMonitorWrapper.end(CUJ_APP_CLOSE_TO_PIP);
+            }
+
             @Override
             public void onAnimationEnd(Animator animation) {
+                if (!mHasAnimationEnded) super.onAnimationEnd(animation);
                 SwipePipToHomeAnimator.this.onAnimationEnd();
             }
         });
diff --git a/src/com/android/launcher3/LauncherProvider.java b/src/com/android/launcher3/LauncherProvider.java
index aeed16a..e151777 100644
--- a/src/com/android/launcher3/LauncherProvider.java
+++ b/src/com/android/launcher3/LauncherProvider.java
@@ -1099,11 +1099,20 @@
      * @return the max _id in the provided table.
      */
     @Thunk static int getMaxId(SQLiteDatabase db, String query, Object... args) {
-        int max = (int) DatabaseUtils.longForQuery(db,
-                String.format(Locale.ENGLISH, query, args),
-                null);
-        if (max < 0) {
-            throw new RuntimeException("Error: could not query max id");
+        int max = 0;
+        try (SQLiteStatement prog = db.compileStatement(
+                String.format(Locale.ENGLISH, query, args))) {
+            max = (int) DatabaseUtils.longForQuery(prog, null);
+            if (max < 0) {
+                throw new RuntimeException("Error: could not query max id");
+            }
+        } catch (IllegalArgumentException exception) {
+            String message = exception.getMessage();
+            if (message.contains("re-open") && message.contains("already-closed")) {
+                // Don't crash trying to end a transaction an an already closed DB. See b/173162852.
+            } else {
+                throw exception;
+            }
         }
         return max;
     }
diff --git a/src/com/android/launcher3/anim/AnimatorPlaybackController.java b/src/com/android/launcher3/anim/AnimatorPlaybackController.java
index edaf51d..f6d1651 100644
--- a/src/com/android/launcher3/anim/AnimatorPlaybackController.java
+++ b/src/com/android/launcher3/anim/AnimatorPlaybackController.java
@@ -29,6 +29,8 @@
 import android.animation.ValueAnimator;
 import android.content.Context;
 
+import com.android.launcher3.Utilities;
+
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
@@ -133,15 +135,20 @@
 
     /**
      * Starts playing the animation with the provided velocity optionally playing any
-     * physics based animations
+     * physics based animations.
+     * @param goingToEnd Whether we are going to the end (progress = 1) or not (progress = 0).
+     * @param velocityPxPerMs The velocity at which to start the animation, in pixels / millisecond.
+     * @param endDistance The distance (pixels) that the animation will travel from progress 0 to 1.
+     * @param animationDuration The duration of the non-physics based animation.
      */
     public void startWithVelocity(Context context, boolean goingToEnd,
-            float velocity, float scale, long animationDuration) {
-        float scaleInverse = 1 / Math.abs(scale);
-        float scaledVelocity = velocity * scaleInverse;
+            float velocityPxPerMs, float endDistance, long animationDuration) {
+        float distanceInverse = 1 / Math.abs(endDistance);
+        float velocityProgressPerMs = velocityPxPerMs * distanceInverse;
 
+        float oneFrameProgress = velocityProgressPerMs * getSingleFrameMs(context);
         float nextFrameProgress = boundToRange(getProgressFraction()
-                + scaledVelocity * getSingleFrameMs(context), 0f, 1f);
+                + oneFrameProgress, 0f, 1f);
 
         // Update setters for spring
         int springFlag = goingToEnd
@@ -154,8 +161,8 @@
                 SpringAnimationBuilder s = new SpringAnimationBuilder(context)
                         .setStartValue(mCurrentFraction)
                         .setEndValue(goingToEnd ? 1 : 0)
-                        .setStartVelocity(scaledVelocity)
-                        .setMinimumVisibleChange(scaleInverse)
+                        .setStartVelocity(velocityProgressPerMs)
+                        .setMinimumVisibleChange(distanceInverse)
                         .setDampingRatio(h.springProperty.mDampingRatio)
                         .setStiffness(h.springProperty.mStiffness)
                         .computeParams();
@@ -164,8 +171,18 @@
                 springDuration = Math.max(expectedDurationL, springDuration);
 
                 float expectedDuration = expectedDurationL;
-                h.mapper = (progress, globalEndProgress) ->
-                        mAnimationPlayer.getCurrentPlayTime() / expectedDuration;
+                h.mapper = (progress, globalEndProgress) -> {
+                    if (expectedDuration <= 0 || oneFrameProgress >= 1) {
+                        return 1;
+                    } else {
+                        // Start from one frame ahead of the current position.
+                        return Utilities.mapToRange(
+                                mAnimationPlayer.getCurrentPlayTime() / expectedDuration,
+                                0, 1,
+                                Math.abs(oneFrameProgress), 1,
+                                LINEAR);
+                    }
+                };
                 h.anim.setInterpolator(s::getInterpolatedValue);
             }
         }
@@ -174,7 +191,7 @@
 
         if (springDuration <= animationDuration) {
             mAnimationPlayer.setDuration(animationDuration);
-            mAnimationPlayer.setInterpolator(scrollInterpolatorForVelocity(velocity));
+            mAnimationPlayer.setInterpolator(scrollInterpolatorForVelocity(velocityPxPerMs));
         } else {
             // Since spring requires more time to run, we let the other animations play with
             // current time and interpolation and by clamping the duration.
@@ -182,7 +199,7 @@
 
             float cutOff = animationDuration / (float) springDuration;
             mAnimationPlayer.setInterpolator(
-                    clampToProgress(scrollInterpolatorForVelocity(velocity), 0, cutOff));
+                    clampToProgress(scrollInterpolatorForVelocity(velocityPxPerMs), 0, cutOff));
         }
         mAnimationPlayer.start();
     }
diff --git a/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java b/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java
index effb3a4..efc1201 100644
--- a/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java
+++ b/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java
@@ -629,11 +629,13 @@
         private WorkspaceResult(BgDataModel dataModel,
                 WidgetsModel widgetsModel,
                 Map<ComponentKey, AppWidgetProviderInfo> widgetProviderInfoMap) {
-            mWorkspaceItems = dataModel.workspaceItems;
-            mAppWidgets = dataModel.appWidgets;
-            mHotseatPredictions = dataModel.extraItems.get(CONTAINER_HOTSEAT_PREDICTION);
-            mWidgetsModel = widgetsModel;
-            mWidgetProvidersMap = widgetProviderInfoMap;
+            synchronized (dataModel) {
+                mWorkspaceItems = dataModel.workspaceItems;
+                mAppWidgets = dataModel.appWidgets;
+                mHotseatPredictions = dataModel.extraItems.get(CONTAINER_HOTSEAT_PREDICTION);
+                mWidgetsModel = widgetsModel;
+                mWidgetProvidersMap = widgetProviderInfoMap;
+            }
         }
     }
 }
diff --git a/src/com/android/launcher3/model/BgDataModel.java b/src/com/android/launcher3/model/BgDataModel.java
index 49b40ed..c217a47 100644
--- a/src/com/android/launcher3/model/BgDataModel.java
+++ b/src/com/android/launcher3/model/BgDataModel.java
@@ -376,6 +376,16 @@
     }
 
     /**
+     * Returns a list containing all workspace items including widgets.
+     */
+    public synchronized ArrayList<ItemInfo> getAllWorkspaceItems() {
+        ArrayList<ItemInfo> items = new ArrayList<>(workspaceItems.size() + appWidgets.size());
+        items.addAll(workspaceItems);
+        items.addAll(appWidgets);
+        return items;
+    }
+
+    /**
      * Calls the provided {@code op} for all workspaceItems in the in-memory model (both persisted
      * items and dynamic/predicted items for the provided {@code userHandle}.
      * Note the call is not synchronized over the model, that should be handled by the called.
diff --git a/src/com/android/launcher3/model/LoaderTask.java b/src/com/android/launcher3/model/LoaderTask.java
index b108788..8e085ce 100644
--- a/src/com/android/launcher3/model/LoaderTask.java
+++ b/src/com/android/launcher3/model/LoaderTask.java
@@ -166,12 +166,7 @@
 
     private void sendFirstScreenActiveInstallsBroadcast() {
         ArrayList<ItemInfo> firstScreenItems = new ArrayList<>();
-
-        ArrayList<ItemInfo> allItems = new ArrayList<>();
-        synchronized (mBgDataModel) {
-            allItems.addAll(mBgDataModel.workspaceItems);
-            allItems.addAll(mBgDataModel.appWidgets);
-        }
+        ArrayList<ItemInfo> allItems = mBgDataModel.getAllWorkspaceItems();
         // Screen set is never empty
         final int firstScreen = mBgDataModel.collectWorkspaceScreens().get(0);
 
@@ -858,10 +853,12 @@
                     .call(contentResolver,
                             LauncherSettings.Settings.METHOD_DELETE_EMPTY_FOLDERS)
                     .getIntArray(LauncherSettings.Settings.EXTRA_VALUE);
-            for (int folderId : deletedFolderIds) {
-                mBgDataModel.workspaceItems.remove(mBgDataModel.folders.get(folderId));
-                mBgDataModel.folders.remove(folderId);
-                mBgDataModel.itemsIdMap.remove(folderId);
+            synchronized (mBgDataModel) {
+                for (int folderId : deletedFolderIds) {
+                    mBgDataModel.workspaceItems.remove(mBgDataModel.folders.get(folderId));
+                    mBgDataModel.folders.remove(folderId);
+                    mBgDataModel.itemsIdMap.remove(folderId);
+                }
             }
 
             // Remove any ghost widgets
diff --git a/src/com/android/launcher3/touch/LandscapePagedViewHandler.java b/src/com/android/launcher3/touch/LandscapePagedViewHandler.java
index 1d7f747..f05f15e 100644
--- a/src/com/android/launcher3/touch/LandscapePagedViewHandler.java
+++ b/src/com/android/launcher3/touch/LandscapePagedViewHandler.java
@@ -75,11 +75,6 @@
     }
 
     @Override
-    public boolean isGoingUp(float displacement, boolean isRtl) {
-        return isRtl ? displacement < 0 : displacement > 0;
-    }
-
-    @Override
     public boolean isLayoutNaturalToLauncher() {
         return false;
     }
@@ -215,11 +210,6 @@
     }
 
     @Override
-    public SingleAxisSwipeDetector.Direction getOppositeSwipeDirection() {
-        return HORIZONTAL;
-    }
-
-    @Override
     public int getPrimaryTranslationDirectionFactor() {
         return -1;
     }
@@ -229,11 +219,6 @@
     }
 
     @Override
-    public int getTaskDragDisplacementFactor(boolean isRtl) {
-        return isRtl ? 1 : -1;
-    }
-
-    @Override
     public float getTaskMenuX(float x, View thumbnailView) {
         return thumbnailView.getMeasuredWidth() + x;
     }
@@ -261,6 +246,31 @@
         lp.weight = 1;
     }
 
+    /* ---------- The following are only used by TaskViewTouchHandler. ---------- */
+
+    @Override
+    public SingleAxisSwipeDetector.Direction getUpDownSwipeDirection() {
+        return HORIZONTAL;
+    }
+
+    @Override
+    public int getUpDirection(boolean isRtl) {
+        return isRtl ? SingleAxisSwipeDetector.DIRECTION_NEGATIVE
+                : SingleAxisSwipeDetector.DIRECTION_POSITIVE;
+    }
+
+    @Override
+    public boolean isGoingUp(float displacement, boolean isRtl) {
+        return isRtl ? displacement < 0 : displacement > 0;
+    }
+
+    @Override
+    public int getTaskDragDisplacementFactor(boolean isRtl) {
+        return isRtl ? 1 : -1;
+    }
+
+    /* -------------------- */
+
     @Override
     public ChildBounds getChildBounds(View child, int childStart, int pageCenter,
         boolean layoutChild) {
diff --git a/src/com/android/launcher3/touch/PagedOrientationHandler.java b/src/com/android/launcher3/touch/PagedOrientationHandler.java
index a9c50cd..b9acfa3 100644
--- a/src/com/android/launcher3/touch/PagedOrientationHandler.java
+++ b/src/com/android/launcher3/touch/PagedOrientationHandler.java
@@ -75,10 +75,8 @@
     int getCenterForPage(View view, Rect insets);
     int getScrollOffsetStart(View view, Rect insets);
     int getScrollOffsetEnd(View view, Rect insets);
-    SingleAxisSwipeDetector.Direction getOppositeSwipeDirection();
     int getPrimaryTranslationDirectionFactor();
     int getSecondaryTranslationDirectionFactor();
-    int getTaskDragDisplacementFactor(boolean isRtl);
     ChildBounds getChildBounds(View child, int childStart, int pageCenter, boolean layoutChild);
     void setMaxScroll(AccessibilityEvent event, int maxScroll);
     boolean getRecentsRtlSetting(Resources resources);
@@ -92,7 +90,6 @@
     void delegateScrollBy(PagedView pagedView, int unboundedScroll, int x, int y);
     void scrollerStartScroll(OverScroller scroller, int newPosition);
     void getCurveProperties(PagedView view, Rect insets, CurveProperties out);
-    boolean isGoingUp(float displacement, boolean isRtl);
     boolean isLayoutNaturalToLauncher();
     float getTaskMenuX(float x, View thumbnailView);
     float getTaskMenuY(float y, View thumbnailView);
@@ -101,6 +98,16 @@
     void setLayoutParamsForTaskMenuOptionItem(LinearLayout.LayoutParams lp);
     int getDistanceToBottomOfRect(DeviceProfile dp, Rect rect);
 
+    // The following are only used by TaskViewTouchHandler.
+    /** @return Either VERTICAL or HORIZONTAL. */
+    SingleAxisSwipeDetector.Direction getUpDownSwipeDirection();
+    /** @return Given {@link #getUpDownSwipeDirection()}, whether POSITIVE or NEGATIVE is up. */
+    int getUpDirection(boolean isRtl);
+    /** @return Whether the displacement is going towards the top of the screen. */
+    boolean isGoingUp(float displacement, boolean isRtl);
+    /** @return Either 1 or -1, a factor to multiply by so the animation goes the correct way. */
+    int getTaskDragDisplacementFactor(boolean isRtl);
+
     /**
      * Maps the velocity from the coordinate plane of the foreground app to that
      * of Launcher's (which now will always be portrait)
diff --git a/src/com/android/launcher3/touch/PortraitPagedViewHandler.java b/src/com/android/launcher3/touch/PortraitPagedViewHandler.java
index 587e35a..3663b5f 100644
--- a/src/com/android/launcher3/touch/PortraitPagedViewHandler.java
+++ b/src/com/android/launcher3/touch/PortraitPagedViewHandler.java
@@ -73,12 +73,6 @@
     }
 
     @Override
-    public boolean isGoingUp(float displacement, boolean isRtl) {
-        // Ignore rtl since it only affects X value displacement, Y displacement doesn't change
-        return displacement < 0;
-    }
-
-    @Override
     public boolean isLayoutNaturalToLauncher() {
         return true;
     }
@@ -212,11 +206,6 @@
     }
 
     @Override
-    public SingleAxisSwipeDetector.Direction getOppositeSwipeDirection() {
-        return VERTICAL;
-    }
-
-    @Override
     public int getPrimaryTranslationDirectionFactor() {
         return 1;
     }
@@ -226,12 +215,6 @@
     }
 
     @Override
-    public int getTaskDragDisplacementFactor(boolean isRtl) {
-        // Ignore rtl since it only affects X value displacement, Y displacement doesn't change
-        return 1;
-    }
-
-    @Override
     public float getTaskMenuX(float x, View thumbnailView) {
         return x;
     }
@@ -257,6 +240,33 @@
         // no-op, defaults are fine
     }
 
+    /* ---------- The following are only used by TaskViewTouchHandler. ---------- */
+
+    @Override
+    public SingleAxisSwipeDetector.Direction getUpDownSwipeDirection() {
+        return VERTICAL;
+    }
+
+    @Override
+    public int getUpDirection(boolean isRtl) {
+        // Ignore rtl since it only affects X value displacement, Y displacement doesn't change
+        return SingleAxisSwipeDetector.DIRECTION_POSITIVE;
+    }
+
+    @Override
+    public boolean isGoingUp(float displacement, boolean isRtl) {
+        // Ignore rtl since it only affects X value displacement, Y displacement doesn't change
+        return displacement < 0;
+    }
+
+    @Override
+    public int getTaskDragDisplacementFactor(boolean isRtl) {
+        // Ignore rtl since it only affects X value displacement, Y displacement doesn't change
+        return 1;
+    }
+
+    /* -------------------- */
+
     @Override
     public ChildBounds getChildBounds(View child, int childStart, int pageCenter,
         boolean layoutChild) {
diff --git a/src/com/android/launcher3/touch/SeascapePagedViewHandler.java b/src/com/android/launcher3/touch/SeascapePagedViewHandler.java
index 60d19d9..54af029 100644
--- a/src/com/android/launcher3/touch/SeascapePagedViewHandler.java
+++ b/src/com/android/launcher3/touch/SeascapePagedViewHandler.java
@@ -16,6 +16,8 @@
 
 package com.android.launcher3.touch;
 
+import static com.android.launcher3.touch.SingleAxisSwipeDetector.HORIZONTAL;
+
 import android.content.res.Resources;
 import android.graphics.PointF;
 import android.graphics.Rect;
@@ -33,11 +35,6 @@
     }
 
     @Override
-    public int getTaskDragDisplacementFactor(boolean isRtl) {
-        return isRtl ? -1 : 1;
-    }
-
-    @Override
     public boolean getRecentsRtlSetting(Resources resources) {
         return Utilities.isRtl(resources);
     }
@@ -53,11 +50,6 @@
     }
 
     @Override
-    public boolean isGoingUp(float displacement, boolean isRtl) {
-        return isRtl ? displacement > 0 : displacement < 0;
-    }
-
-    @Override
     public void adjustFloatingIconStartVelocity(PointF velocity) {
         float oldX = velocity.x;
         float oldY = velocity.y;
@@ -78,4 +70,29 @@
     public int getDistanceToBottomOfRect(DeviceProfile dp, Rect rect) {
         return dp.widthPx - rect.right;
     }
+
+    /* ---------- The following are only used by TaskViewTouchHandler. ---------- */
+
+    @Override
+    public SingleAxisSwipeDetector.Direction getUpDownSwipeDirection() {
+        return HORIZONTAL;
+    }
+
+    @Override
+    public int getUpDirection(boolean isRtl) {
+        return isRtl ? SingleAxisSwipeDetector.DIRECTION_POSITIVE
+                : SingleAxisSwipeDetector.DIRECTION_NEGATIVE;
+    }
+
+    @Override
+    public boolean isGoingUp(float displacement, boolean isRtl) {
+        return isRtl ? displacement > 0 : displacement < 0;
+    }
+
+    @Override
+    public int getTaskDragDisplacementFactor(boolean isRtl) {
+        return isRtl ? -1 : 1;
+    }
+
+    /* -------------------- */
 }
diff --git a/src/com/android/launcher3/touch/SingleAxisSwipeDetector.java b/src/com/android/launcher3/touch/SingleAxisSwipeDetector.java
index d725486..8c3c115 100644
--- a/src/com/android/launcher3/touch/SingleAxisSwipeDetector.java
+++ b/src/com/android/launcher3/touch/SingleAxisSwipeDetector.java
@@ -58,6 +58,11 @@
             return direction.x;
         }
 
+        @NonNull
+        @Override
+        public String toString() {
+            return "VERTICAL";
+        }
     };
 
     public static final Direction HORIZONTAL = new Direction() {
@@ -84,6 +89,11 @@
             return direction.y;
         }
 
+        @NonNull
+        @Override
+        public String toString() {
+            return "HORIZONTAL";
+        }
     };
 
     private final Direction mDir;
@@ -110,10 +120,6 @@
         mIgnoreSlopWhenSettling = ignoreSlop;
     }
 
-    public int getScrollDirections() {
-        return mScrollDirections;
-    }
-
     /**
      * Returns if the start drag was towards the positive direction or negative.
      *