Merge "Accelerating dragging to workspace by using pause at the end of the gesture" into ub-launcher3-master
diff --git a/Android.bp b/Android.bp
index 4c38205..fc99880 100644
--- a/Android.bp
+++ b/Android.bp
@@ -30,3 +30,19 @@
     manifest: "tests/tapl/AndroidManifest.xml",
     platform_apis: true,
 }
+
+java_library_static {
+    name: "launcher-log-protos-lite",
+    srcs: [
+        "protos/*.proto",
+        "proto_overrides/*.proto",
+    ],
+    sdk_version: "current",
+    proto: {
+        type: "lite",
+        local_include_dirs:[
+            "protos",
+            "proto_overrides",
+        ],
+    },
+}
diff --git a/go/quickstep/src/com/android/quickstep/util/ShelfPeekAnim.java b/go/quickstep/src/com/android/quickstep/util/ShelfPeekAnim.java
index e7099ec..3842efb 100644
--- a/go/quickstep/src/com/android/quickstep/util/ShelfPeekAnim.java
+++ b/go/quickstep/src/com/android/quickstep/util/ShelfPeekAnim.java
@@ -24,4 +24,8 @@
 
     public enum ShelfAnimState {
     }
+
+    public boolean isPeeking() {
+        return false;
+    }
 }
diff --git a/quickstep/recents_ui_overrides/src/com/android/launcher3/LauncherAppTransitionManagerImpl.java b/quickstep/recents_ui_overrides/src/com/android/launcher3/LauncherAppTransitionManagerImpl.java
index 6946508..51ee216 100644
--- a/quickstep/recents_ui_overrides/src/com/android/launcher3/LauncherAppTransitionManagerImpl.java
+++ b/quickstep/recents_ui_overrides/src/com/android/launcher3/LauncherAppTransitionManagerImpl.java
@@ -21,8 +21,15 @@
 import static com.android.launcher3.LauncherState.HOTSEAT_ICONS;
 import static com.android.launcher3.LauncherState.NORMAL;
 import static com.android.launcher3.LauncherState.OVERVIEW;
+import static com.android.launcher3.LauncherStateManager.ANIM_ALL;
+import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_ALL_APPS_FADE;
+import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_HOTSEAT_SCALE;
+import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_HOTSEAT_TRANSLATE;
+import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_VERTICAL_PROGRESS;
 import static com.android.launcher3.anim.Interpolators.AGGRESSIVE_EASE;
+import static com.android.launcher3.anim.Interpolators.DEACCEL_3;
 import static com.android.launcher3.anim.Interpolators.LINEAR;
+import static com.android.launcher3.anim.Interpolators.OVERSHOOT_1_2;
 import static com.android.quickstep.TaskViewUtils.findTaskViewToLaunch;
 import static com.android.quickstep.TaskViewUtils.getRecentsWindowAnimator;
 
@@ -40,6 +47,7 @@
 import com.android.launcher3.LauncherState.ScaleAndTranslation;
 import com.android.launcher3.allapps.AllAppsTransitionController;
 import com.android.launcher3.anim.AnimatorPlaybackController;
+import com.android.launcher3.anim.AnimatorSetBuilder;
 import com.android.launcher3.anim.Interpolators;
 import com.android.launcher3.anim.SpringAnimationBuilder;
 import com.android.quickstep.util.AppWindowAnimationHelper;
@@ -56,6 +64,9 @@
     public static final int INDEX_SHELF_ANIM = 0;
     public static final int INDEX_RECENTS_FADE_ANIM = 1;
     public static final int INDEX_RECENTS_TRANSLATE_X_ANIM = 2;
+    public static final int INDEX_PAUSE_TO_OVERVIEW_ANIM = 3;
+
+    public static final long ATOMIC_DURATION_FROM_PAUSED_TO_OVERVIEW = 300;
 
     public LauncherAppTransitionManagerImpl(Context context) {
         super(context);
@@ -145,7 +156,7 @@
 
     @Override
     public int getStateElementAnimationsCount() {
-        return 3;
+        return 4;
     }
 
     @Override
@@ -191,6 +202,20 @@
                         .setStiffness(250)
                         .setValues(values)
                         .build(mLauncher);
+            case INDEX_PAUSE_TO_OVERVIEW_ANIM: {
+                AnimatorSetBuilder builder = new AnimatorSetBuilder();
+                builder.setInterpolator(ANIM_VERTICAL_PROGRESS, OVERSHOOT_1_2);
+                builder.setInterpolator(ANIM_ALL_APPS_FADE, DEACCEL_3);
+                if ((OVERVIEW.getVisibleElements(mLauncher) & HOTSEAT_ICONS) != 0) {
+                    builder.setInterpolator(ANIM_HOTSEAT_SCALE, OVERSHOOT_1_2);
+                    builder.setInterpolator(ANIM_HOTSEAT_TRANSLATE, OVERSHOOT_1_2);
+                }
+                LauncherStateManager stateManager = mLauncher.getStateManager();
+                return stateManager.createAtomicAnimation(
+                        stateManager.getCurrentStableState(), OVERVIEW, builder,
+                        ANIM_ALL, ATOMIC_DURATION_FROM_PAUSED_TO_OVERVIEW);
+            }
+
             default:
                 return super.createStateElementAnimation(index, values);
         }
diff --git a/quickstep/recents_ui_overrides/src/com/android/launcher3/appprediction/PredictionRowView.java b/quickstep/recents_ui_overrides/src/com/android/launcher3/appprediction/PredictionRowView.java
index 23db5df..f82af62 100644
--- a/quickstep/recents_ui_overrides/src/com/android/launcher3/appprediction/PredictionRowView.java
+++ b/quickstep/recents_ui_overrides/src/com/android/launcher3/appprediction/PredictionRowView.java
@@ -276,7 +276,7 @@
         boolean predictionsEnabled = predictionCount > 0;
         if (predictionsEnabled != mPredictionsEnabled) {
             mPredictionsEnabled = predictionsEnabled;
-            mLauncher.reapplyUi();
+            mLauncher.reapplyUi(false /* cancelCurrentAnimation */);
             updateVisibility();
         }
         mParent.onHeightUpdated();
diff --git a/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/QuickstepLauncher.java b/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
index 9144d5d..6aaae4c 100644
--- a/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
+++ b/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
@@ -37,6 +37,7 @@
 import com.android.launcher3.uioverrides.touchcontrollers.FlingAndHoldTouchController;
 import com.android.launcher3.uioverrides.touchcontrollers.LandscapeEdgeSwipeController;
 import com.android.launcher3.uioverrides.touchcontrollers.NavBarToHomeTouchController;
+import com.android.launcher3.uioverrides.touchcontrollers.NoButtonQuickSwitchTouchController;
 import com.android.launcher3.uioverrides.touchcontrollers.OverviewToAllAppsTouchController;
 import com.android.launcher3.uioverrides.touchcontrollers.PortraitStatesTouchController;
 import com.android.launcher3.uioverrides.touchcontrollers.QuickSwitchTouchController;
@@ -214,7 +215,7 @@
         ArrayList<TouchController> list = new ArrayList<>();
         list.add(getDragController());
         if (mode == NO_BUTTON) {
-            list.add(new QuickSwitchTouchController(this));
+            list.add(new NoButtonQuickSwitchTouchController(this));
             list.add(new NavBarToHomeTouchController(this));
             list.add(new FlingAndHoldTouchController(this));
         } else {
diff --git a/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/states/OverviewState.java b/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/states/OverviewState.java
index 25eaab1..ed5dba1 100644
--- a/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/states/OverviewState.java
+++ b/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/states/OverviewState.java
@@ -22,6 +22,7 @@
 import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_OVERVIEW_FADE;
 import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_OVERVIEW_SCALE;
 import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_OVERVIEW_TRANSLATE_X;
+import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_OVERVIEW_TRANSLATE_Y;
 import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_WORKSPACE_FADE;
 import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_WORKSPACE_SCALE;
 import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_WORKSPACE_TRANSLATE;
@@ -205,6 +206,7 @@
             builder.setInterpolator(ANIM_WORKSPACE_FADE, OVERSHOOT_1_2);
             builder.setInterpolator(ANIM_OVERVIEW_SCALE, OVERSHOOT_1_2);
             builder.setInterpolator(ANIM_OVERVIEW_TRANSLATE_X, OVERSHOOT_1_7);
+            builder.setInterpolator(ANIM_OVERVIEW_TRANSLATE_Y, OVERSHOOT_1_7);
             builder.setInterpolator(ANIM_OVERVIEW_FADE, OVERSHOOT_1_2);
         }
     }
diff --git a/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/touchcontrollers/FlingAndHoldTouchController.java b/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/touchcontrollers/FlingAndHoldTouchController.java
index 626292e..d388f49 100644
--- a/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/touchcontrollers/FlingAndHoldTouchController.java
+++ b/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/touchcontrollers/FlingAndHoldTouchController.java
@@ -16,25 +16,20 @@
 
 package com.android.launcher3.uioverrides.touchcontrollers;
 
+import static com.android.launcher3.LauncherAppTransitionManagerImpl.INDEX_PAUSE_TO_OVERVIEW_ANIM;
 import static com.android.launcher3.LauncherState.ALL_APPS;
-import static com.android.launcher3.LauncherState.HOTSEAT_ICONS;
 import static com.android.launcher3.LauncherState.NORMAL;
 import static com.android.launcher3.LauncherState.OVERVIEW;
 import static com.android.launcher3.LauncherState.OVERVIEW_PEEK;
-import static com.android.launcher3.LauncherStateManager.ANIM_ALL;
 import static com.android.launcher3.LauncherStateManager.ATOMIC_OVERVIEW_PEEK_COMPONENT;
 import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_ALL_APPS_FADE;
 import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_ALL_APPS_HEADER_FADE;
-import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_HOTSEAT_SCALE;
-import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_HOTSEAT_TRANSLATE;
-import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_VERTICAL_PROGRESS;
 import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_WORKSPACE_FADE;
 import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_WORKSPACE_SCALE;
 import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_WORKSPACE_TRANSLATE;
 import static com.android.launcher3.anim.Interpolators.ACCEL;
 import static com.android.launcher3.anim.Interpolators.DEACCEL;
 import static com.android.launcher3.anim.Interpolators.DEACCEL_3;
-import static com.android.launcher3.anim.Interpolators.OVERSHOOT_1_2;
 import static com.android.launcher3.util.VibratorWrapper.OVERVIEW_HAPTIC;
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_OVERVIEW_DISABLED;
 
@@ -46,12 +41,13 @@
 import android.view.ViewConfiguration;
 
 import com.android.launcher3.Launcher;
+import com.android.launcher3.LauncherAppTransitionManagerImpl;
 import com.android.launcher3.LauncherState;
 import com.android.launcher3.anim.AnimatorSetBuilder;
 import com.android.launcher3.anim.Interpolators;
 import com.android.launcher3.userevent.nano.LauncherLogProto.Action.Touch;
-import com.android.quickstep.SystemUiProxy;
 import com.android.launcher3.util.VibratorWrapper;
+import com.android.quickstep.SystemUiProxy;
 import com.android.quickstep.util.MotionPauseDetector;
 import com.android.quickstep.views.RecentsView;
 
@@ -79,7 +75,7 @@
 
     @Override
     protected long getAtomicDuration() {
-        return 300;
+        return LauncherAppTransitionManagerImpl.ATOMIC_DURATION_FROM_PAUSED_TO_OVERVIEW;
     }
 
     @Override
@@ -179,15 +175,8 @@
                 mPeekAnim.cancel();
             }
 
-            AnimatorSetBuilder builder = new AnimatorSetBuilder();
-            builder.setInterpolator(ANIM_VERTICAL_PROGRESS, OVERSHOOT_1_2);
-            builder.setInterpolator(ANIM_ALL_APPS_FADE, DEACCEL_3);
-            if ((OVERVIEW.getVisibleElements(mLauncher) & HOTSEAT_ICONS) != 0) {
-                builder.setInterpolator(ANIM_HOTSEAT_SCALE, OVERSHOOT_1_2);
-                builder.setInterpolator(ANIM_HOTSEAT_TRANSLATE, OVERSHOOT_1_2);
-            }
-            AnimatorSet overviewAnim = mLauncher.getStateManager().createAtomicAnimation(
-                    NORMAL, OVERVIEW, builder, ANIM_ALL, ATOMIC_DURATION);
+            Animator overviewAnim = mLauncher.getAppTransitionManager().createStateElementAnimation(
+                    INDEX_PAUSE_TO_OVERVIEW_ANIM);
             overviewAnim.addListener(new AnimatorListenerAdapter() {
                 @Override
                 public void onAnimationEnd(Animator animation) {
diff --git a/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/touchcontrollers/NoButtonQuickSwitchTouchController.java b/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/touchcontrollers/NoButtonQuickSwitchTouchController.java
new file mode 100644
index 0000000..9ad0638
--- /dev/null
+++ b/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/touchcontrollers/NoButtonQuickSwitchTouchController.java
@@ -0,0 +1,459 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.launcher3.uioverrides.touchcontrollers;
+
+import static com.android.launcher3.LauncherAnimUtils.SCALE_PROPERTY;
+import static com.android.launcher3.LauncherAppTransitionManagerImpl.INDEX_PAUSE_TO_OVERVIEW_ANIM;
+import static com.android.launcher3.LauncherState.HOTSEAT_ICONS;
+import static com.android.launcher3.LauncherState.NORMAL;
+import static com.android.launcher3.LauncherState.OVERVIEW;
+import static com.android.launcher3.LauncherState.QUICK_SWITCH;
+import static com.android.launcher3.LauncherStateManager.ANIM_ALL;
+import static com.android.launcher3.anim.AlphaUpdateListener.ALPHA_CUTOFF_THRESHOLD;
+import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_ALL_APPS_FADE;
+import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_VERTICAL_PROGRESS;
+import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_WORKSPACE_FADE;
+import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_WORKSPACE_TRANSLATE;
+import static com.android.launcher3.anim.AnimatorSetBuilder.FLAG_DONT_ANIMATE_OVERVIEW;
+import static com.android.launcher3.anim.Interpolators.ACCEL_0_75;
+import static com.android.launcher3.anim.Interpolators.DEACCEL;
+import static com.android.launcher3.anim.Interpolators.DEACCEL_5;
+import static com.android.launcher3.anim.Interpolators.LINEAR;
+import static com.android.launcher3.anim.Interpolators.scrollInterpolatorForVelocity;
+import static com.android.launcher3.touch.BothAxesSwipeDetector.DIRECTION_RIGHT;
+import static com.android.launcher3.touch.BothAxesSwipeDetector.DIRECTION_UP;
+import static com.android.launcher3.util.DefaultDisplay.getSingleFrameMs;
+import static com.android.launcher3.util.VibratorWrapper.OVERVIEW_HAPTIC;
+import static com.android.quickstep.util.ShelfPeekAnim.ShelfAnimState.CANCEL;
+import static com.android.quickstep.util.ShelfPeekAnim.ShelfAnimState.HIDE;
+import static com.android.quickstep.util.ShelfPeekAnim.ShelfAnimState.PEEK;
+import static com.android.quickstep.views.RecentsView.FULLSCREEN_PROGRESS;
+import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_OVERVIEW_DISABLED;
+
+import android.animation.Animator;
+import android.animation.AnimatorListenerAdapter;
+import android.animation.AnimatorSet;
+import android.animation.ObjectAnimator;
+import android.animation.ValueAnimator;
+import android.graphics.PointF;
+import android.view.MotionEvent;
+import android.view.View;
+import android.view.animation.Interpolator;
+
+import com.android.launcher3.BaseQuickstepLauncher;
+import com.android.launcher3.LauncherState;
+import com.android.launcher3.LauncherStateManager;
+import com.android.launcher3.LauncherStateManager.AnimationConfig;
+import com.android.launcher3.R;
+import com.android.launcher3.Utilities;
+import com.android.launcher3.allapps.AllAppsTransitionController;
+import com.android.launcher3.anim.AnimatorPlaybackController;
+import com.android.launcher3.anim.AnimatorSetBuilder;
+import com.android.launcher3.graphics.OverviewScrim;
+import com.android.launcher3.touch.BaseSwipeDetector;
+import com.android.launcher3.touch.BothAxesSwipeDetector;
+import com.android.launcher3.userevent.nano.LauncherLogProto;
+import com.android.launcher3.userevent.nano.LauncherLogProto.Action.Direction;
+import com.android.launcher3.userevent.nano.LauncherLogProto.Action.Touch;
+import com.android.launcher3.util.TouchController;
+import com.android.launcher3.util.VibratorWrapper;
+import com.android.quickstep.SystemUiProxy;
+import com.android.quickstep.util.LayoutUtils;
+import com.android.quickstep.util.MotionPauseDetector;
+import com.android.quickstep.util.ShelfPeekAnim;
+import com.android.quickstep.util.ShelfPeekAnim.ShelfAnimState;
+import com.android.quickstep.util.StaggeredWorkspaceAnim;
+import com.android.quickstep.views.LauncherRecentsView;
+
+/**
+ * Handles quick switching to a recent task from the home screen. To give as much flexibility to
+ * the user as possible, also handles swipe up and hold to go to overview and swiping back home.
+ */
+public class NoButtonQuickSwitchTouchController implements TouchController,
+        BothAxesSwipeDetector.Listener, MotionPauseDetector.OnMotionPauseListener {
+
+    /** The minimum progress of the scale/translationY animation until drag end. */
+    private static final float Y_ANIM_MIN_PROGRESS = 0.15f;
+    private static final Interpolator FADE_OUT_INTERPOLATOR = DEACCEL_5;
+    private static final Interpolator TRANSLATE_OUT_INTERPOLATOR = ACCEL_0_75;
+    private static final Interpolator SCALE_DOWN_INTERPOLATOR = DEACCEL;
+
+    private final BaseQuickstepLauncher mLauncher;
+    private final BothAxesSwipeDetector mSwipeDetector;
+    private final ShelfPeekAnim mShelfPeekAnim;
+    private final float mXRange;
+    private final float mYRange;
+    private final MotionPauseDetector mMotionPauseDetector;
+    private final float mMotionPauseMinDisplacement;
+
+    private boolean mNoIntercept;
+    private LauncherState mStartState;
+
+    private boolean mIsHomeScreenVisible = true;
+
+    // As we drag, we control 3 animations: one to get non-overview components out of the way,
+    // and the other two to set overview properties based on x and y progress.
+    private AnimatorPlaybackController mNonOverviewAnim;
+    private AnimatorPlaybackController mXOverviewAnim;
+    private AnimatorPlaybackController mYOverviewAnim;
+
+    public NoButtonQuickSwitchTouchController(BaseQuickstepLauncher launcher) {
+        mLauncher = launcher;
+        mSwipeDetector = new BothAxesSwipeDetector(mLauncher, this);
+        mShelfPeekAnim = mLauncher.getShelfPeekAnim();
+        mXRange = mLauncher.getDeviceProfile().widthPx / 2f;
+        mYRange = LayoutUtils.getShelfTrackingDistance(mLauncher, mLauncher.getDeviceProfile());
+        mMotionPauseDetector = new MotionPauseDetector(mLauncher);
+        mMotionPauseMinDisplacement = mLauncher.getResources().getDimension(
+                R.dimen.motion_pause_detector_min_displacement_from_app);
+    }
+
+    @Override
+    public boolean onControllerInterceptTouchEvent(MotionEvent ev) {
+        if (ev.getAction() == MotionEvent.ACTION_DOWN) {
+            mNoIntercept = !canInterceptTouch(ev);
+            if (mNoIntercept) {
+                return false;
+            }
+
+            // Only detect horizontal swipe for intercept, then we will allow swipe up as well.
+            mSwipeDetector.setDetectableScrollConditions(DIRECTION_RIGHT,
+                    false /* ignoreSlopWhenSettling */);
+        }
+
+        if (mNoIntercept) {
+            return false;
+        }
+
+        onControllerTouchEvent(ev);
+        return mSwipeDetector.isDraggingOrSettling();
+    }
+
+    @Override
+    public boolean onControllerTouchEvent(MotionEvent ev) {
+        return mSwipeDetector.onTouchEvent(ev);
+    }
+
+    private boolean canInterceptTouch(MotionEvent ev) {
+        if (!mLauncher.isInState(LauncherState.NORMAL)) {
+            return false;
+        }
+        if ((ev.getEdgeFlags() & Utilities.EDGE_NAV_BAR) == 0) {
+            return false;
+        }
+        int stateFlags = SystemUiProxy.INSTANCE.get(mLauncher).getLastSystemUiStateFlags();
+        if ((stateFlags & SYSUI_STATE_OVERVIEW_DISABLED) != 0) {
+            return false;
+        }
+        return true;
+    }
+
+    @Override
+    public void onDragStart(boolean start) {
+        mMotionPauseDetector.clear();
+        if (start) {
+            mStartState = mLauncher.getStateManager().getState();
+
+            mMotionPauseDetector.setOnMotionPauseListener(this);
+
+            // We have detected horizontal drag start, now allow swipe up as well.
+            mSwipeDetector.setDetectableScrollConditions(DIRECTION_RIGHT | DIRECTION_UP,
+                    false /* ignoreSlopWhenSettling */);
+
+            setupAnimators();
+        }
+    }
+
+    @Override
+    public void onMotionPauseChanged(boolean isPaused) {
+        ShelfAnimState shelfState = isPaused ? PEEK : HIDE;
+        if (shelfState == PEEK) {
+            // Some shelf elements (e.g. qsb) were hidden, but we need them visible when peeking.
+            AnimatorSetBuilder builder = new AnimatorSetBuilder();
+            AllAppsTransitionController allAppsController = mLauncher.getAllAppsController();
+            allAppsController.setAlphas(NORMAL.getVisibleElements(mLauncher),
+                    new AnimationConfig(), builder);
+            builder.build().setDuration(0).start();
+
+            if ((OVERVIEW.getVisibleElements(mLauncher) & HOTSEAT_ICONS) != 0) {
+                // Hotseat was hidden, but we need it visible when peeking.
+                mLauncher.getHotseat().setAlpha(1);
+            }
+        }
+        mShelfPeekAnim.setShelfState(shelfState, ShelfPeekAnim.INTERPOLATOR,
+                ShelfPeekAnim.DURATION);
+        VibratorWrapper.INSTANCE.get(mLauncher).vibrate(OVERVIEW_HAPTIC);
+    }
+
+    private void setupAnimators() {
+        // Animate the non-overview components (e.g. workspace, shelf) out of the way.
+        AnimatorSetBuilder nonOverviewBuilder = new AnimatorSetBuilder();
+        nonOverviewBuilder.setInterpolator(ANIM_WORKSPACE_FADE, FADE_OUT_INTERPOLATOR);
+        nonOverviewBuilder.setInterpolator(ANIM_ALL_APPS_FADE, FADE_OUT_INTERPOLATOR);
+        nonOverviewBuilder.setInterpolator(ANIM_WORKSPACE_TRANSLATE, TRANSLATE_OUT_INTERPOLATOR);
+        nonOverviewBuilder.setInterpolator(ANIM_VERTICAL_PROGRESS, TRANSLATE_OUT_INTERPOLATOR);
+        updateNonOverviewAnim(QUICK_SWITCH, nonOverviewBuilder, ANIM_ALL);
+        mNonOverviewAnim.dispatchOnStart();
+
+        setupOverviewAnimators();
+    }
+
+    /** Create state animation to control non-overview components. */
+    private void updateNonOverviewAnim(LauncherState toState, AnimatorSetBuilder builder,
+            @LauncherStateManager.AnimationComponents int animComponents) {
+        builder.addFlag(FLAG_DONT_ANIMATE_OVERVIEW);
+        long accuracy = (long) (Math.max(mXRange, mYRange) * 2);
+        mNonOverviewAnim = mLauncher.getStateManager().createAnimationToNewWorkspace(toState,
+                builder, accuracy, this::clearState, animComponents);
+    }
+
+    private void setupOverviewAnimators() {
+        final LauncherState fromState = QUICK_SWITCH;
+        final LauncherState toState = OVERVIEW;
+        LauncherState.ScaleAndTranslation fromScaleAndTranslation = fromState
+                .getOverviewScaleAndTranslation(mLauncher);
+        LauncherState.ScaleAndTranslation toScaleAndTranslation = toState
+                .getOverviewScaleAndTranslation(mLauncher);
+        // Update RecentView's translationX to have it start offscreen.
+        LauncherRecentsView recentsView = mLauncher.getOverviewPanel();
+        float startScale = Utilities.mapRange(
+                SCALE_DOWN_INTERPOLATOR.getInterpolation(Y_ANIM_MIN_PROGRESS),
+                fromScaleAndTranslation.scale,
+                toScaleAndTranslation.scale);
+        fromScaleAndTranslation.translationX = recentsView.getOffscreenTranslationX(startScale);
+
+        // Set RecentView's initial properties.
+        recentsView.setScaleX(fromScaleAndTranslation.scale);
+        recentsView.setScaleY(fromScaleAndTranslation.scale);
+        recentsView.setTranslationX(fromScaleAndTranslation.translationX);
+        recentsView.setTranslationY(fromScaleAndTranslation.translationY);
+        recentsView.setContentAlpha(1);
+
+        // As we drag right, animate the following properties:
+        //   - RecentsView translationX
+        //   - OverviewScrim
+        AnimatorSet xOverviewAnim = new AnimatorSet();
+        xOverviewAnim.play(ObjectAnimator.ofFloat(recentsView, View.TRANSLATION_X,
+                toScaleAndTranslation.translationX));
+        xOverviewAnim.play(ObjectAnimator.ofFloat(
+                mLauncher.getDragLayer().getOverviewScrim(), OverviewScrim.SCRIM_PROGRESS,
+                toState.getOverviewScrimAlpha(mLauncher)));
+        long xAccuracy = (long) (mXRange * 2);
+        xOverviewAnim.setDuration(xAccuracy);
+        mXOverviewAnim = AnimatorPlaybackController.wrap(xOverviewAnim, xAccuracy);
+        mXOverviewAnim.dispatchOnStart();
+
+        // As we drag up, animate the following properties:
+        //   - RecentsView translationY
+        //   - RecentsView scale
+        //   - RecentsView fullscreenProgress
+        AnimatorSet yAnimation = new AnimatorSet();
+        Animator translateYAnim = ObjectAnimator.ofFloat(recentsView, View.TRANSLATION_Y,
+                toScaleAndTranslation.translationY);
+        Animator scaleAnim = ObjectAnimator.ofFloat(recentsView, SCALE_PROPERTY,
+                toScaleAndTranslation.scale);
+        Animator fullscreenProgressAnim = ObjectAnimator.ofFloat(recentsView, FULLSCREEN_PROGRESS,
+                fromState.getOverviewFullscreenProgress(), toState.getOverviewFullscreenProgress());
+        scaleAnim.setInterpolator(SCALE_DOWN_INTERPOLATOR);
+        fullscreenProgressAnim.setInterpolator(SCALE_DOWN_INTERPOLATOR);
+        yAnimation.play(translateYAnim);
+        yAnimation.play(scaleAnim);
+        yAnimation.play(fullscreenProgressAnim);
+        long yAccuracy = (long) (mYRange * 2);
+        yAnimation.setDuration(yAccuracy);
+        mYOverviewAnim = AnimatorPlaybackController.wrap(yAnimation, yAccuracy);
+        mYOverviewAnim.dispatchOnStart();
+    }
+
+    @Override
+    public boolean onDrag(PointF displacement, MotionEvent ev) {
+        float xProgress = Math.max(0, displacement.x) / mXRange;
+        float yProgress = Math.max(0, -displacement.y) / mYRange;
+        yProgress = Utilities.mapRange(yProgress, Y_ANIM_MIN_PROGRESS, 1f);
+
+        boolean wasHomeScreenVisible = mIsHomeScreenVisible;
+        if (wasHomeScreenVisible && mNonOverviewAnim != null) {
+            mNonOverviewAnim.setPlayFraction(xProgress);
+        }
+        mIsHomeScreenVisible = FADE_OUT_INTERPOLATOR.getInterpolation(xProgress)
+                <= 1 - ALPHA_CUTOFF_THRESHOLD;
+
+        if (wasHomeScreenVisible && !mIsHomeScreenVisible) {
+            // Get the shelf all the way offscreen so it pops up when we decide to peek it.
+            mShelfPeekAnim.setShelfState(HIDE, LINEAR, 0);
+        }
+
+        // Only allow motion pause if the home screen is invisible, since some
+        // home screen elements will appear in the shelf on motion pause.
+        mMotionPauseDetector.setDisallowPause(mIsHomeScreenVisible
+                || -displacement.y < mMotionPauseMinDisplacement);
+        mMotionPauseDetector.addPosition(displacement.y, ev.getEventTime());
+
+        if (mIsHomeScreenVisible) {
+            // Cancel the shelf anim so it doesn't clobber mNonOverviewAnim.
+            mShelfPeekAnim.setShelfState(CANCEL, LINEAR, 0);
+        }
+
+        if (mXOverviewAnim != null) {
+            mXOverviewAnim.setPlayFraction(xProgress);
+        }
+        if (mYOverviewAnim != null) {
+            mYOverviewAnim.setPlayFraction(yProgress);
+        }
+        return true;
+    }
+
+    @Override
+    public void onDragEnd(PointF velocity) {
+        boolean horizontalFling = mSwipeDetector.isFling(velocity.x);
+        boolean verticalFling = mSwipeDetector.isFling(velocity.y);
+        boolean noFling = !horizontalFling && !verticalFling;
+        int logAction = noFling ? Touch.SWIPE : Touch.FLING;
+        if (mMotionPauseDetector.isPaused() && noFling) {
+            cancelAnimations();
+
+            Animator overviewAnim = mLauncher.getAppTransitionManager().createStateElementAnimation(
+                    INDEX_PAUSE_TO_OVERVIEW_ANIM);
+            overviewAnim.addListener(new AnimatorListenerAdapter() {
+                @Override
+                public void onAnimationEnd(Animator animation) {
+                    onAnimationToStateCompleted(OVERVIEW, logAction);
+                }
+            });
+            overviewAnim.start();
+            return;
+        }
+
+        final LauncherState targetState;
+        if (horizontalFling && verticalFling) {
+            // Flinging left and up, left and down, or right and up all go back home.
+            // Only flinging right and down goes to quick switch.
+            targetState = velocity.x < 0 || velocity.y < 0 ? NORMAL : QUICK_SWITCH;
+        } else if (horizontalFling) {
+            targetState = velocity.x > 0 ? QUICK_SWITCH : NORMAL;
+        } else if (verticalFling) {
+            targetState = velocity.y > 0 ? QUICK_SWITCH : NORMAL;
+        } else {
+            // If user isn't flinging, just snap to the closest state based on x progress.
+            boolean passedHorizontalThreshold = mXOverviewAnim.getInterpolatedProgress() > 0.5f;
+            targetState = passedHorizontalThreshold ? QUICK_SWITCH : NORMAL;
+        }
+
+        // Animate the various components to the target state.
+
+        float xProgress = mXOverviewAnim.getProgressFraction();
+        float startXProgress = Utilities.boundToRange(xProgress
+                + velocity.x * getSingleFrameMs(mLauncher) / mXRange, 0f, 1f);
+        final float endXProgress = targetState == NORMAL ? 0 : 1;
+        long xDuration = BaseSwipeDetector.calculateDuration(velocity.x,
+                Math.abs(endXProgress - startXProgress));
+        ValueAnimator xOverviewAnim = mXOverviewAnim.getAnimationPlayer();
+        xOverviewAnim.setFloatValues(startXProgress, endXProgress);
+        xOverviewAnim.setDuration(xDuration)
+                .setInterpolator(scrollInterpolatorForVelocity(velocity.x));
+        mXOverviewAnim.dispatchOnStartWithVelocity(endXProgress, velocity.x);
+
+        boolean flingUpToNormal = verticalFling && velocity.y < 0 && targetState == NORMAL;
+
+        float yProgress = mYOverviewAnim.getProgressFraction();
+        float startYProgress = Utilities.boundToRange(yProgress
+                - velocity.y * getSingleFrameMs(mLauncher) / mYRange, 0f, 1f);
+        final float endYProgress;
+        if (flingUpToNormal) {
+            endYProgress = 1;
+        } else if (targetState == NORMAL) {
+            // Keep overview at its current scale/translationY as it slides off the screen.
+            endYProgress = startYProgress;
+        } else {
+            endYProgress = 0;
+        }
+        long yDuration = BaseSwipeDetector.calculateDuration(velocity.y,
+                Math.abs(endYProgress - startYProgress));
+        ValueAnimator yOverviewAnim = mYOverviewAnim.getAnimationPlayer();
+        yOverviewAnim.setFloatValues(startYProgress, endYProgress);
+        yOverviewAnim.setDuration(yDuration);
+        mYOverviewAnim.dispatchOnStartWithVelocity(endYProgress, velocity.y);
+
+        ValueAnimator nonOverviewAnim = mNonOverviewAnim.getAnimationPlayer();
+        if (flingUpToNormal && !mIsHomeScreenVisible) {
+            // We are flinging to home while workspace is invisible, run the same staggered
+            // animation as from an app.
+            // Update mNonOverviewAnim to do nothing so it doesn't interfere.
+            updateNonOverviewAnim(targetState, new AnimatorSetBuilder(), 0 /* animComponents */);
+            nonOverviewAnim = mNonOverviewAnim.getAnimationPlayer();
+
+            new StaggeredWorkspaceAnim(mLauncher, velocity.y, false /* animateOverviewScrim */)
+                    .start();
+        } else {
+            boolean canceled = targetState == NORMAL;
+            if (canceled) {
+                // Let the state manager know that the animation didn't go to the target state,
+                // but don't clean up yet (we already clean up when the animation completes).
+                mNonOverviewAnim.dispatchOnCancelWithoutCancelRunnable();
+            }
+            float startProgress = mNonOverviewAnim.getProgressFraction();
+            float endProgress = canceled ? 0 : 1;
+            nonOverviewAnim.setFloatValues(startProgress, endProgress);
+            mNonOverviewAnim.dispatchOnStartWithVelocity(endProgress,
+                    horizontalFling ? velocity.x : velocity.y);
+        }
+
+        nonOverviewAnim.setDuration(Math.max(xDuration, yDuration));
+        mNonOverviewAnim.setEndAction(() -> onAnimationToStateCompleted(targetState, logAction));
+
+        cancelAnimations();
+        xOverviewAnim.start();
+        yOverviewAnim.start();
+        nonOverviewAnim.start();
+    }
+
+    private void onAnimationToStateCompleted(LauncherState targetState, int logAction) {
+        mLauncher.getUserEventDispatcher().logStateChangeAction(logAction,
+                getDirectionForLog(), mSwipeDetector.getDownX(), mSwipeDetector.getDownY(),
+                LauncherLogProto.ContainerType.NAVBAR,
+                mStartState.containerType,
+                targetState.containerType,
+                mLauncher.getWorkspace().getCurrentPage());
+        mLauncher.getStateManager().goToState(targetState, false, this::clearState);
+    }
+
+    private int getDirectionForLog() {
+        return Utilities.isRtl(mLauncher.getResources()) ? Direction.LEFT : Direction.RIGHT;
+    }
+
+    private void cancelAnimations() {
+        if (mNonOverviewAnim != null) {
+            mNonOverviewAnim.getAnimationPlayer().cancel();
+        }
+        if (mXOverviewAnim != null) {
+            mXOverviewAnim.getAnimationPlayer().cancel();
+        }
+        if (mYOverviewAnim != null) {
+            mYOverviewAnim.getAnimationPlayer().cancel();
+        }
+        mShelfPeekAnim.setShelfState(ShelfAnimState.CANCEL, LINEAR, 0);
+        mMotionPauseDetector.clear();
+    }
+
+    private void clearState() {
+        cancelAnimations();
+        mNonOverviewAnim = null;
+        mXOverviewAnim = null;
+        mYOverviewAnim = null;
+        mIsHomeScreenVisible = true;
+        mSwipeDetector.finishedScrolling();
+    }
+}
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/LauncherActivityInterface.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/LauncherActivityInterface.java
index 844152b..28fc3da 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/LauncherActivityInterface.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/LauncherActivityInterface.java
@@ -24,7 +24,6 @@
 import static com.android.launcher3.LauncherState.BACKGROUND_APP;
 import static com.android.launcher3.LauncherState.NORMAL;
 import static com.android.launcher3.LauncherState.OVERVIEW;
-import static com.android.launcher3.LauncherStateManager.ANIM_ALL;
 import static com.android.launcher3.anim.Interpolators.ACCEL_2;
 import static com.android.launcher3.anim.Interpolators.ACCEL_DEACCEL;
 import static com.android.launcher3.anim.Interpolators.INSTANT;
@@ -52,10 +51,8 @@
 import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherInitListener;
 import com.android.launcher3.LauncherState;
-import com.android.launcher3.LauncherStateManager;
 import com.android.launcher3.allapps.DiscoveryBounce;
 import com.android.launcher3.anim.AnimatorPlaybackController;
-import com.android.launcher3.anim.AnimatorSetBuilder;
 import com.android.launcher3.appprediction.PredictionUiStateManager;
 import com.android.launcher3.userevent.nano.LauncherLogProto;
 import com.android.launcher3.views.FloatingIconView;
@@ -194,18 +191,8 @@
 
             @Override
             public void playAtomicAnimation(float velocity) {
-                // Setup workspace with 0 duration to prepare for our staggered animation.
-                LauncherStateManager stateManager = launcher.getStateManager();
-                AnimatorSetBuilder builder = new AnimatorSetBuilder();
-                // setRecentsAttachedToAppWindow() will animate recents out.
-                builder.addFlag(AnimatorSetBuilder.FLAG_DONT_ANIMATE_OVERVIEW);
-                stateManager.createAtomicAnimation(BACKGROUND_APP, NORMAL, builder, ANIM_ALL, 0);
-                builder.build().start();
-
-                // Stop scrolling so that it doesn't interfere with the translation offscreen.
-                recentsView.getScroller().forceFinished(true);
-
-                new StaggeredWorkspaceAnim(launcher, workspaceView, velocity).start();
+                new StaggeredWorkspaceAnim(launcher, velocity, true /* animateOverviewScrim */)
+                        .start();
             }
         };
     }
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/LauncherSwipeHandler.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/LauncherSwipeHandler.java
index 05cec2d..c28bf28 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/LauncherSwipeHandler.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/LauncherSwipeHandler.java
@@ -167,8 +167,6 @@
     private boolean mIsShelfPeeking;
 
     private boolean mContinuingLastGesture;
-    // To avoid UI jump when gesture is started, we offset the animation by the threshold.
-    private float mShiftAtGestureStart = 0;
 
     private ThumbnailData mTaskSnapshot;
 
@@ -574,9 +572,7 @@
         // Normalize the progress to 0 to 1, as the animation controller will clamp it to that
         // anyway. The controller mimics the drag length factor by applying it to its interpolators.
         float progress = mCurrentShift.value / mDragLengthFactor;
-        mLauncherTransitionController.setPlayFraction(
-                progress <= mShiftAtGestureStart || mShiftAtGestureStart >= 1
-                        ? 0 : (progress - mShiftAtGestureStart) / (1 - mShiftAtGestureStart));
+        mLauncherTransitionController.setPlayFraction(progress);
     }
 
     /**
@@ -623,7 +619,6 @@
     @Override
     public void onGestureStarted() {
         notifyGestureStartedAsync();
-        mShiftAtGestureStart = mCurrentShift.value;
         mStateCallback.setStateOnUiThread(STATE_GESTURE_STARTED);
         mGestureStarted = true;
     }
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/util/StaggeredWorkspaceAnim.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/util/StaggeredWorkspaceAnim.java
index d644fd6..babf13e 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/util/StaggeredWorkspaceAnim.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/util/StaggeredWorkspaceAnim.java
@@ -18,6 +18,7 @@
 import static com.android.launcher3.LauncherAnimUtils.VIEW_TRANSLATE_Y;
 import static com.android.launcher3.LauncherState.BACKGROUND_APP;
 import static com.android.launcher3.LauncherState.NORMAL;
+import static com.android.launcher3.LauncherStateManager.ANIM_ALL;
 import static com.android.launcher3.anim.Interpolators.LINEAR;
 
 import android.animation.Animator;
@@ -27,12 +28,11 @@
 import android.view.View;
 import android.view.ViewGroup;
 
-import androidx.annotation.Nullable;
-
 import com.android.launcher3.CellLayout;
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherState;
+import com.android.launcher3.LauncherStateManager;
 import com.android.launcher3.LauncherStateManager.AnimationConfig;
 import com.android.launcher3.R;
 import com.android.launcher3.ShortcutAndWidgetContainer;
@@ -41,7 +41,7 @@
 import com.android.launcher3.anim.PropertySetter;
 import com.android.launcher3.anim.SpringAnimationBuilder;
 import com.android.launcher3.graphics.OverviewScrim;
-import com.android.launcher3.views.IconLabelDotView;
+import com.android.quickstep.views.RecentsView;
 
 /**
  * Creates an animation where all the workspace items are moved into their final location,
@@ -61,18 +61,12 @@
     private final float mVelocity;
     private final float mSpringTransY;
 
-    // The original view of the {@link FloatingIconView}.
-    private final View mOriginalView;
-
     private final AnimatorSet mAnimators = new AnimatorSet();
 
-    /**
-     * @param floatingViewOriginalView The FloatingIconView's original view.
-     */
-    public StaggeredWorkspaceAnim(Launcher launcher, @Nullable View floatingViewOriginalView,
-            float velocity) {
+    public StaggeredWorkspaceAnim(Launcher launcher, float velocity, boolean animateOverviewScrim) {
+        prepareToAnimate(launcher);
+
         mVelocity = velocity;
-        mOriginalView = floatingViewOriginalView;
 
         // Scale the translationY based on the initial velocity to better sync the workspace items
         // with the floating view.
@@ -128,8 +122,10 @@
             addStaggeredAnimationForView(qsb, grid.inv.numRows + 2, totalRows);
         }
 
-        addScrimAnimationForState(launcher, BACKGROUND_APP, 0);
-        addScrimAnimationForState(launcher, NORMAL, ALPHA_DURATION_MS);
+        if (animateOverviewScrim) {
+            addScrimAnimationForState(launcher, BACKGROUND_APP, 0);
+            addScrimAnimationForState(launcher, NORMAL, ALPHA_DURATION_MS);
+        }
 
         mAnimators.addListener(new AnimatorListenerAdapter() {
             @Override
@@ -145,6 +141,21 @@
     }
 
     /**
+     * Setup workspace with 0 duration to prepare for our staggered animation.
+     */
+    private void prepareToAnimate(Launcher launcher) {
+        LauncherStateManager stateManager = launcher.getStateManager();
+        AnimatorSetBuilder builder = new AnimatorSetBuilder();
+        // setRecentsAttachedToAppWindow() will animate recents out.
+        builder.addFlag(AnimatorSetBuilder.FLAG_DONT_ANIMATE_OVERVIEW);
+        stateManager.createAtomicAnimation(BACKGROUND_APP, NORMAL, builder, ANIM_ALL, 0);
+        builder.build().start();
+
+        // Stop scrolling so that it doesn't interfere with the translation offscreen.
+        launcher.<RecentsView>getOverviewPanel().getScroller().forceFinished(true);
+    }
+
+    /**
      * Starts the animation.
      */
     public void start() {
@@ -176,35 +187,12 @@
         springTransY.setStartDelay(startDelay);
         mAnimators.play(springTransY);
 
-        ObjectAnimator alpha = getAlphaAnimator(v, startDelay);
-        if (v == mOriginalView) {
-            // For IconLabelDotViews, we just want the label to fade in.
-            // Icon, badge, and dots will animate in separately (controlled via FloatingIconView)
-            if (v instanceof IconLabelDotView) {
-                alpha.addListener(new AnimatorListenerAdapter() {
-                    @Override
-                    public void onAnimationStart(Animator animation) {
-                        IconLabelDotView view = (IconLabelDotView) v;
-                        view.setIconVisible(false);
-                        view.setForceHideDot(true);
-                    }
-                });
-            } else {
-                return;
-            }
-        }
-
         v.setAlpha(0);
-        mAnimators.play(alpha);
-    }
-
-    private ObjectAnimator getAlphaAnimator(View v, long startDelay) {
         ObjectAnimator alpha = ObjectAnimator.ofFloat(v, View.ALPHA, 0f, 1f);
         alpha.setInterpolator(LINEAR);
         alpha.setDuration(ALPHA_DURATION_MS);
         alpha.setStartDelay(startDelay);
-        return alpha;
-
+        mAnimators.play(alpha);
     }
 
     private void addScrimAnimationForState(Launcher launcher, LauncherState state, long duration) {
diff --git a/quickstep/src/com/android/quickstep/views/ShelfScrimView.java b/quickstep/src/com/android/quickstep/views/ShelfScrimView.java
index 0e591ca..7885f5c 100644
--- a/quickstep/src/com/android/quickstep/views/ShelfScrimView.java
+++ b/quickstep/src/com/android/quickstep/views/ShelfScrimView.java
@@ -18,6 +18,7 @@
 import static com.android.launcher3.LauncherState.ALL_APPS_HEADER_EXTRA;
 import static com.android.launcher3.LauncherState.BACKGROUND_APP;
 import static com.android.launcher3.LauncherState.OVERVIEW;
+import static com.android.launcher3.LauncherState.QUICK_SWITCH;
 import static com.android.launcher3.anim.Interpolators.ACCEL;
 import static com.android.launcher3.anim.Interpolators.ACCEL_2;
 import static com.android.launcher3.anim.Interpolators.LINEAR;
@@ -34,7 +35,9 @@
 import android.util.AttributeSet;
 import android.view.animation.Interpolator;
 
+import com.android.launcher3.BaseQuickstepLauncher;
 import com.android.launcher3.DeviceProfile;
+import com.android.launcher3.LauncherState;
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.anim.Interpolators;
@@ -52,7 +55,8 @@
  *    From normal state to overview state, the shelf just fades in and does not move
  *    From overview state to all-apps state the shelf moves up and fades in to cover the screen
  */
-public class ShelfScrimView extends ScrimView implements NavigationModeChangeListener {
+public class ShelfScrimView extends ScrimView<BaseQuickstepLauncher>
+        implements NavigationModeChangeListener {
 
     // If the progress is more than this, shelf follows the finger, otherwise it moves faster to
     // cover the whole screen
@@ -193,8 +197,10 @@
         if (mProgress >= 1) {
             mRemainingScreenColor = 0;
             mShelfColor = 0;
+            LauncherState state = mLauncher.getStateManager().getState();
             if (mSysUINavigationMode == Mode.NO_BUTTON
-                    && mLauncher.getStateManager().getState() == BACKGROUND_APP) {
+                    && (state == BACKGROUND_APP || state == QUICK_SWITCH)
+                    && mLauncher.getShelfPeekAnim().isPeeking()) {
                 // Show the shelf background when peeking during swipe up.
                 mShelfColor = setColorAlphaBound(mEndScrim, mMidAlpha);
             }
diff --git a/quickstep/tests/src/com/android/quickstep/NavigationModeSwitchRule.java b/quickstep/tests/src/com/android/quickstep/NavigationModeSwitchRule.java
index fa4c7b9..5606ac2 100644
--- a/quickstep/tests/src/com/android/quickstep/NavigationModeSwitchRule.java
+++ b/quickstep/tests/src/com/android/quickstep/NavigationModeSwitchRule.java
@@ -209,7 +209,6 @@
                     final String error = mLauncher.getNavigationModeMismatchError();
                     assertTrue("Switching nav mode: " + error, error == null);
 
-                    Thread.sleep(5000);
                     return true;
                 }
 
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index b3b2df6..cb8fe05 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -508,12 +508,16 @@
 
     @Override
     public void reapplyUi() {
+        reapplyUi(true /* cancelCurrentAnimation */);
+    }
+
+    public void reapplyUi(boolean cancelCurrentAnimation) {
         if (supportsFakeLandscapeUI()) {
             mRotationMode = mStableDeviceProfile == null
                     ? RotationMode.NORMAL : getFakeRotationMode(mDeviceProfile);
         }
         getRootView().dispatchInsets();
-        getStateManager().reapplyState(true /* cancelCurrentAnimation */);
+        getStateManager().reapplyState(cancelCurrentAnimation);
     }
 
     @Override
diff --git a/src/com/android/launcher3/anim/AlphaUpdateListener.java b/src/com/android/launcher3/anim/AlphaUpdateListener.java
index 8ac9d66..eabd283 100644
--- a/src/com/android/launcher3/anim/AlphaUpdateListener.java
+++ b/src/com/android/launcher3/anim/AlphaUpdateListener.java
@@ -27,7 +27,7 @@
  */
 public class AlphaUpdateListener extends AnimationSuccessListener
         implements AnimatorUpdateListener {
-    private static final float ALPHA_CUTOFF_THRESHOLD = 0.01f;
+    public static final float ALPHA_CUTOFF_THRESHOLD = 0.01f;
 
     private View mView;
 
diff --git a/src/com/android/launcher3/anim/AnimatorPlaybackController.java b/src/com/android/launcher3/anim/AnimatorPlaybackController.java
index 2c440bb..4a52795 100644
--- a/src/com/android/launcher3/anim/AnimatorPlaybackController.java
+++ b/src/com/android/launcher3/anim/AnimatorPlaybackController.java
@@ -26,15 +26,15 @@
 import android.animation.ValueAnimator;
 import android.util.Log;
 
+import androidx.dynamicanimation.animation.DynamicAnimation;
+import androidx.dynamicanimation.animation.SpringAnimation;
+
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
 
-import androidx.dynamicanimation.animation.DynamicAnimation;
-import androidx.dynamicanimation.animation.SpringAnimation;
-
 /**
  * Helper class to control the playback of an {@link AnimatorSet}, with custom interpolators
  * and durations.
@@ -250,6 +250,17 @@
         }
     }
 
+    /**
+     * Sets mOnCancelRunnable = null before dispatching the cancel and restoring the runnable. This
+     * is intended to be used only if you need to cancel but want to defer cleaning up yourself.
+     */
+    public void dispatchOnCancelWithoutCancelRunnable() {
+        Runnable onCancel = mOnCancelRunnable;
+        setOnCancelRunnable(null);
+        dispatchOnCancel();
+        setOnCancelRunnable(onCancel);
+    }
+
     public void dispatchOnCancel() {
         dispatchOnCancelRecursively(mAnim);
     }
@@ -283,10 +294,6 @@
         mOnCancelRunnable = runnable;
     }
 
-    public Runnable getOnCancelRunnable() {
-        return mOnCancelRunnable;
-    }
-
     public void skipToEnd() {
         mSkipToEnd = true;
         for (SpringAnimation spring : mSprings) {
diff --git a/src/com/android/launcher3/anim/Interpolators.java b/src/com/android/launcher3/anim/Interpolators.java
index c45cd85..fccc120 100644
--- a/src/com/android/launcher3/anim/Interpolators.java
+++ b/src/com/android/launcher3/anim/Interpolators.java
@@ -39,6 +39,7 @@
     public static final Interpolator LINEAR = new LinearInterpolator();
 
     public static final Interpolator ACCEL = new AccelerateInterpolator();
+    public static final Interpolator ACCEL_0_75 = new AccelerateInterpolator(0.75f);
     public static final Interpolator ACCEL_1_5 = new AccelerateInterpolator(1.5f);
     public static final Interpolator ACCEL_2 = new AccelerateInterpolator(2);
 
@@ -48,6 +49,7 @@
     public static final Interpolator DEACCEL_2 = new DecelerateInterpolator(2);
     public static final Interpolator DEACCEL_2_5 = new DecelerateInterpolator(2.5f);
     public static final Interpolator DEACCEL_3 = new DecelerateInterpolator(3f);
+    public static final Interpolator DEACCEL_5 = new DecelerateInterpolator(5f);
 
     public static final Interpolator ACCEL_DEACCEL = new AccelerateDecelerateInterpolator();
 
diff --git a/src/com/android/launcher3/folder/Folder.java b/src/com/android/launcher3/folder/Folder.java
index 6b9e205..0bd2c9a 100644
--- a/src/com/android/launcher3/folder/Folder.java
+++ b/src/com/android/launcher3/folder/Folder.java
@@ -148,7 +148,7 @@
     public ExtendedEditText mFolderName;
     private PageIndicatorDots mPageIndicator;
 
-    private View mFooter;
+    protected View mFooter;
     private int mFooterHeight;
 
     // Cell ranks used for drag and drop
@@ -991,7 +991,7 @@
         lp.y = top;
     }
 
-    private int getContentAreaHeight() {
+    protected int getContentAreaHeight() {
         DeviceProfile grid = mLauncher.getDeviceProfile();
         int maxContentAreaHeight = grid.availableHeightPx - grid.getTotalWorkspacePadding().y
                 - mFooterHeight;
diff --git a/src/com/android/launcher3/folder/FolderAnimationManager.java b/src/com/android/launcher3/folder/FolderAnimationManager.java
index 9eb0693..1310d37 100644
--- a/src/com/android/launcher3/folder/FolderAnimationManager.java
+++ b/src/com/android/launcher3/folder/FolderAnimationManager.java
@@ -59,6 +59,8 @@
  */
 public class FolderAnimationManager {
 
+    private static final int FOLDER_NAME_ALPHA_DURATION = 32;
+
     private Folder mFolder;
     private FolderPagedView mContent;
     private GradientDrawable mFolderBackground;
@@ -130,11 +132,19 @@
                 * scaleRelativeToDragLayer;
         final float finalScale = 1f;
         float scale = mIsOpening ? initialScale : finalScale;
-        mFolder.setScaleX(scale);
-        mFolder.setScaleY(scale);
         mFolder.setPivotX(0);
         mFolder.setPivotY(0);
 
+        // Scale the contents of the folder.
+        mFolder.mContent.setScaleX(scale);
+        mFolder.mContent.setScaleY(scale);
+        mFolder.mContent.setPivotX(0);
+        mFolder.mContent.setPivotY(0);
+        mFolder.mFooter.setScaleX(scale);
+        mFolder.mFooter.setScaleY(scale);
+        mFolder.mFooter.setPivotX(0);
+        mFolder.mFooter.setPivotY(0);
+
         // We want to create a small X offset for the preview items, so that they follow their
         // expected path to their final locations. ie. an icon should not move right, if it's final
         // location is to its left. This value is arbitrarily defined.
@@ -143,14 +153,13 @@
             previewItemOffsetX = (int) (lp.width * initialScale - initialSize - previewItemOffsetX);
         }
 
-        final int paddingOffsetX = (int) ((mFolder.getPaddingLeft() + mContent.getPaddingLeft())
-                * initialScale);
-        final int paddingOffsetY = (int) ((mFolder.getPaddingTop() + mContent.getPaddingTop())
-                * initialScale);
+        final int paddingOffsetX = (int) (mContent.getPaddingLeft() * initialScale);
+        final int paddingOffsetY = (int) (mContent.getPaddingTop() * initialScale);
 
-        int initialX = folderIconPos.left + mPreviewBackground.getOffsetX() - paddingOffsetX
-                - previewItemOffsetX;
-        int initialY = folderIconPos.top + mPreviewBackground.getOffsetY() - paddingOffsetY;
+        int initialX = folderIconPos.left + mFolder.getPaddingLeft()
+                + mPreviewBackground.getOffsetX() - paddingOffsetX - previewItemOffsetX;
+        int initialY = folderIconPos.top + mFolder.getPaddingTop()
+                + mPreviewBackground.getOffsetY() - paddingOffsetY;
         final float xDistance = initialX - lp.x;
         final float yDistance = initialY - lp.y;
 
@@ -164,11 +173,10 @@
 
         // Set up the reveal animation that clips the Folder.
         int totalOffsetX = paddingOffsetX + previewItemOffsetX;
-        Rect startRect = new Rect(
-                Math.round(totalOffsetX / initialScale),
-                Math.round(paddingOffsetY / initialScale),
-                Math.round((totalOffsetX + initialSize) / initialScale),
-                Math.round((paddingOffsetY + initialSize) / initialScale));
+        Rect startRect = new Rect(totalOffsetX,
+                paddingOffsetY,
+                Math.round((totalOffsetX + initialSize)),
+                Math.round((paddingOffsetY + initialSize)));
         Rect endRect = new Rect(0, 0, lp.width, lp.height);
         float finalRadius = ResourceUtils.pxFromDp(2, mContext.getResources().getDisplayMetrics());
 
@@ -189,17 +197,46 @@
 
         play(a, getAnimator(mFolder, View.TRANSLATION_X, xDistance, 0f));
         play(a, getAnimator(mFolder, View.TRANSLATION_Y, yDistance, 0f));
-        play(a, getAnimator(mFolder, SCALE_PROPERTY, initialScale, finalScale));
+        play(a, getAnimator(mFolder.mContent, SCALE_PROPERTY, initialScale, finalScale));
+        play(a, getAnimator(mFolder.mFooter, SCALE_PROPERTY, initialScale, finalScale));
         play(a, getAnimator(mFolderBackground, "color", initialColor, finalColor));
         play(a, mFolderIcon.mFolderName.createTextAlphaAnimator(!mIsOpening));
         play(a, getShape().createRevealAnimator(
                 mFolder, startRect, endRect, finalRadius, !mIsOpening));
+        // Fade in the folder name, as the text can overlap the icons when grid size is small.
+        mFolder.mFolderName.setAlpha(mIsOpening ? 0f : 1f);
+        play(a, getAnimator(mFolder.mFolderName, View.ALPHA, 0, 1),
+                mIsOpening ? FOLDER_NAME_ALPHA_DURATION : 0,
+                mIsOpening ? mDuration - FOLDER_NAME_ALPHA_DURATION : FOLDER_NAME_ALPHA_DURATION);
+
+        // Translate the footer so that it tracks the bottom of the content.
+        float normalHeight = mFolder.getContentAreaHeight();
+        float scaledHeight = normalHeight * initialScale;
+        float diff = normalHeight - scaledHeight;
+        play(a, getAnimator(mFolder.mFooter, View.TRANSLATION_Y, -diff, 0f));
 
         // Animate the elevation midway so that the shadow is not noticeable in the background.
         int midDuration = mDuration / 2;
         Animator z = getAnimator(mFolder, View.TRANSLATION_Z, -mFolder.getElevation(), 0);
         play(a, z, mIsOpening ? midDuration : 0, midDuration);
 
+
+        // Store clip variables
+        CellLayout cellLayout = mContent.getCurrentCellLayout();
+        boolean folderClipChildren = mFolder.getClipChildren();
+        boolean folderClipToPadding = mFolder.getClipToPadding();
+        boolean contentClipChildren = mContent.getClipChildren();
+        boolean contentClipToPadding = mContent.getClipToPadding();
+        boolean cellLayoutClipChildren = cellLayout.getClipChildren();
+        boolean cellLayoutClipPadding = cellLayout.getClipToPadding();
+
+        mFolder.setClipChildren(false);
+        mFolder.setClipToPadding(false);
+        mContent.setClipChildren(false);
+        mContent.setClipToPadding(false);
+        cellLayout.setClipChildren(false);
+        cellLayout.setClipToPadding(false);
+
         a.addListener(new AnimatorListenerAdapter() {
             @Override
             public void onAnimationEnd(Animator animation) {
@@ -207,8 +244,20 @@
                 mFolder.setTranslationX(0.0f);
                 mFolder.setTranslationY(0.0f);
                 mFolder.setTranslationZ(0.0f);
-                mFolder.setScaleX(1f);
-                mFolder.setScaleY(1f);
+                mFolder.mContent.setScaleX(1f);
+                mFolder.mContent.setScaleY(1f);
+                mFolder.mFooter.setScaleX(1f);
+                mFolder.mFooter.setScaleY(1f);
+                mFolder.mFooter.setTranslationX(0f);
+                mFolder.mFolderName.setAlpha(1f);
+
+                mFolder.setClipChildren(folderClipChildren);
+                mFolder.setClipToPadding(folderClipToPadding);
+                mContent.setClipChildren(contentClipChildren);
+                mContent.setClipToPadding(contentClipToPadding);
+                cellLayout.setClipChildren(cellLayoutClipChildren);
+                cellLayout.setClipToPadding(cellLayoutClipPadding);
+
             }
         });
 
diff --git a/src/com/android/launcher3/touch/AbstractStateChangeTouchController.java b/src/com/android/launcher3/touch/AbstractStateChangeTouchController.java
index 60f6ee9..f40f976 100644
--- a/src/com/android/launcher3/touch/AbstractStateChangeTouchController.java
+++ b/src/com/android/launcher3/touch/AbstractStateChangeTouchController.java
@@ -413,10 +413,7 @@
         } else {
             // Let the state manager know that the animation didn't go to the target state,
             // but don't cancel ourselves (we already clean up when the animation completes).
-            Runnable onCancel = mCurrentAnimation.getOnCancelRunnable();
-            mCurrentAnimation.setOnCancelRunnable(null);
-            mCurrentAnimation.dispatchOnCancel();
-            mCurrentAnimation.setOnCancelRunnable(onCancel);
+            mCurrentAnimation.dispatchOnCancelWithoutCancelRunnable();
 
             endProgress = 0;
             if (progress <= 0) {
diff --git a/src/com/android/launcher3/views/FloatingIconView.java b/src/com/android/launcher3/views/FloatingIconView.java
index c63d745..0c9a28b 100644
--- a/src/com/android/launcher3/views/FloatingIconView.java
+++ b/src/com/android/launcher3/views/FloatingIconView.java
@@ -560,7 +560,7 @@
      * Checks if the icon result is loaded. If true, we set the icon immediately. Else, we add a
      * callback to set the icon once the icon result is loaded.
      */
-    private void checkIconResult(View originalView, boolean isOpening) {
+    private void checkIconResult(View originalView) {
         CancellationSignal cancellationSignal = new CancellationSignal();
 
         if (mIconLoadResult == null) {
@@ -572,9 +572,7 @@
             if (mIconLoadResult.isIconLoaded) {
                 setIcon(originalView, mIconLoadResult.drawable, mIconLoadResult.badge,
                         mIconLoadResult.iconOffset);
-                if (isOpening) {
-                    hideOriginalView(originalView);
-                }
+                hideOriginalView(originalView);
             } else {
                 mIconLoadResult.onIconLoaded = () -> {
                     if (cancellationSignal.isCanceled()) {
@@ -585,10 +583,7 @@
                             mIconLoadResult.iconOffset);
 
                     setVisibility(VISIBLE);
-                    if (isOpening) {
-                        // Delay swapping views until the icon is loaded to prevent a flash.
-                        hideOriginalView(originalView);
-                    }
+                    hideOriginalView(originalView);
                 };
                 mLoadIconSignal = cancellationSignal;
             }
@@ -596,9 +591,9 @@
     }
 
     private void hideOriginalView(View originalView) {
-        if (originalView instanceof BubbleTextView) {
-            ((BubbleTextView) originalView).setIconVisible(false);
-            ((BubbleTextView) originalView).setForceHideDot(true);
+        if (originalView instanceof IconLabelDotView) {
+            ((IconLabelDotView) originalView).setIconVisible(false);
+            ((IconLabelDotView) originalView).setForceHideDot(true);
         } else {
             originalView.setVisibility(INVISIBLE);
         }
@@ -674,6 +669,9 @@
     }
 
     public void fastFinish() {
+        if (mLoadIconSignal != null) {
+            mLoadIconSignal.cancel();
+        }
         if (mEndRunnable != null) {
             mEndRunnable.run();
             mEndRunnable = null;
@@ -689,6 +687,10 @@
         if (mIconLoadResult != null && mIconLoadResult.isIconLoaded) {
             setVisibility(View.VISIBLE);
         }
+        if (!mIsOpening) {
+            // When closing an app, we want the item on the workspace to be invisible immediately
+            hideOriginalView(mOriginalIcon);
+        }
     }
 
     @Override
@@ -798,7 +800,7 @@
         // Must be called after the fastFinish listener and end runnable is created so that
         // the icon is not left in a hidden state.
         if (shouldLoadIcon) {
-            view.checkIconResult(originalView, isOpening);
+            view.checkIconResult(originalView);
         }
 
         return view;
@@ -842,6 +844,7 @@
                 @Override
                 public void onAnimationStart(Animator animation) {
                     btv.setIconVisible(true);
+                    btv.setForceHideDot(true);
                 }
             });
             fade.play(ObjectAnimator.ofInt(btv.getIcon(), DRAWABLE_ALPHA, 0, 255));
diff --git a/src/com/android/launcher3/views/ScrimView.java b/src/com/android/launcher3/views/ScrimView.java
index 9f59d78..e64b2fb 100644
--- a/src/com/android/launcher3/views/ScrimView.java
+++ b/src/com/android/launcher3/views/ScrimView.java
@@ -77,7 +77,7 @@
 /**
  * Simple scrim which draws a flat color
  */
-public class ScrimView extends View implements Insettable, OnChangeListener,
+public class ScrimView<T extends Launcher> extends View implements Insettable, OnChangeListener,
         AccessibilityStateChangeListener, StateListener {
 
     public static final Property<ScrimView, Integer> DRAG_HANDLE_ALPHA =
@@ -101,7 +101,7 @@
     private final Rect mTempRect = new Rect();
     private final int[] mTempPos = new int[2];
 
-    protected final Launcher mLauncher;
+    protected final T mLauncher;
     private final WallpaperColorInfo mWallpaperColorInfo;
     private final AccessibilityManager mAM;
     protected final int mEndScrim;
@@ -130,7 +130,7 @@
 
     public ScrimView(Context context, AttributeSet attrs) {
         super(context, attrs);
-        mLauncher = Launcher.getLauncher(context);
+        mLauncher = Launcher.cast(Launcher.getLauncher(context));
         mWallpaperColorInfo = WallpaperColorInfo.getInstance(context);
         mEndScrim = Themes.getAttrColor(context, R.attr.allAppsScrimColor);
 
diff --git a/tests/Android.mk b/tests/Android.mk
index 31a9960..83fdddc 100644
--- a/tests/Android.mk
+++ b/tests/Android.mk
@@ -50,7 +50,8 @@
     androidx.test.runner \
     androidx.test.rules \
     androidx.test.uiautomator_uiautomator \
-    mockito-target-minus-junit4
+    mockito-target-minus-junit4 \
+    launcher-log-protos-lite
 
 ifneq (,$(wildcard frameworks/base))
     LOCAL_PRIVATE_PLATFORM_APIS := true
diff --git a/tests/src/com/android/launcher3/ui/AbstractLauncherUiTest.java b/tests/src/com/android/launcher3/ui/AbstractLauncherUiTest.java
index bb19515..4243ed0 100644
--- a/tests/src/com/android/launcher3/ui/AbstractLauncherUiTest.java
+++ b/tests/src/com/android/launcher3/ui/AbstractLauncherUiTest.java
@@ -123,10 +123,6 @@
     protected final LauncherActivityRule mActivityMonitor = new LauncherActivityRule();
 
     @Rule
-    public ShellCommandRule mDefaultLauncherRule =
-            TestHelpers.isInLauncherProcess() ? ShellCommandRule.setDefaultLauncher() : null;
-
-    @Rule
     public ShellCommandRule mDisableHeadsUpNotification =
             ShellCommandRule.disableHeadsUpNotification();
 
@@ -154,9 +150,13 @@
     }
 
     protected TestRule getRulesInsideActivityMonitor() {
-        return RuleChain.
-                outerRule(new PortraitLandscapeRunner(this)).
-                around(new FailureWatcher(mDevice));
+        final RuleChain inner = RuleChain.outerRule(new PortraitLandscapeRunner(this))
+                .around(new FailureWatcher(mDevice));
+
+        return TestHelpers.isInLauncherProcess()
+                ? RuleChain.outerRule(ShellCommandRule.setDefaultLauncher())
+                        .around(inner) :
+                inner;
     }
 
     @Rule