Merge tag 'android-10.0.0_r31' into HEAD

Android 10.0.0 release 31

* tag 'android-10.0.0_r31': (218 commits)
  Increase drag distance threshold when drag starts from deep press
  Fix shortcut componentname in workspace layout logging
  Fix shortcut componentname in workspace layout logging
  perform accessbility focus when the recyclerview doesn't gain focus after fragment replacement in SettingsActivity
  Persist predicted items when dragged to workspace
  Import translations. DO NOT MERGE
  Import translations. DO NOT MERGE
  Align badging logic with platform IconDrawableFactory.
  Fix bug where icon remains invisible after returning home.
  Fix quick switch from home biased towards returning home
  Fix recents scale sometimes lagging behind window scale
  Fix folder open/close animation when grid size is small.
  fix custom shortcut test
  Improve quick switch from home by tracking both x and y motion
  Move shelf peeking anim code to ShelfPeekAnim class
  Fix folder available height calculation
  Tapl: AllApps: ensuring a minimal vertical size of an icon
  Enable a11y scrolling with item drag
  disable custom shortcut test in oop
  include predicted_rank in app launch logging
  ...

Change-Id: Id824c350cd133c4c8fa91de0f8793faed9003393

17 files changed, 317 insertions, 70 deletions

diff --git a/quickstep/src/com/android/launcher3/QuickstepAppTransitionManagerImpl.java b/quickstep/src/com/android/launcher3/QuickstepAppTransitionManagerImpl.java
index 991408c64..a91410cd9 100644
--- a/quickstep/src/com/android/launcher3/QuickstepAppTransitionManagerImpl.java
+++ b/quickstep/src/com/android/launcher3/QuickstepAppTransitionManagerImpl.java
@@ -57,6 +57,9 @@ import android.os.Looper;
 import android.util.Pair;
 import android.view.View;
 
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
 import com.android.launcher3.DeviceProfile.OnDeviceProfileChangeListener;
 import com.android.launcher3.allapps.AllAppsTransitionController;
 import com.android.launcher3.anim.Interpolators;
@@ -69,6 +72,7 @@ import com.android.launcher3.views.FloatingIconView;
 import com.android.quickstep.util.MultiValueUpdateListener;
 import com.android.quickstep.util.RemoteAnimationProvider;
 import com.android.quickstep.util.RemoteAnimationTargetSet;
+import com.android.quickstep.util.ShelfPeekAnim;
 import com.android.systemui.shared.system.ActivityCompat;
 import com.android.systemui.shared.system.ActivityOptionsCompat;
 import com.android.systemui.shared.system.QuickStepContract;
@@ -80,9 +84,6 @@ import com.android.systemui.shared.system.SyncRtSurfaceTransactionApplierCompat;
 import com.android.systemui.shared.system.SyncRtSurfaceTransactionApplierCompat.SurfaceParams;
 import com.android.systemui.shared.system.WindowManagerWrapper;
 
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-
 /**
  * {@link LauncherAppTransitionManager} with Quickstep-specific app transitions for launching from
  * home and/or all-apps.
@@ -150,6 +151,8 @@ public abstract class QuickstepAppTransitionManagerImpl extends LauncherAppTrans
 
     private RemoteAnimationProvider mRemoteAnimationProvider;
 
+    private final ShelfPeekAnim mShelfPeekAnim;
+
     private final AnimatorListenerAdapter mForceInvisibleListener = new AnimatorListenerAdapter() {
         @Override
         public void onAnimationStart(Animator animation) {
@@ -177,6 +180,12 @@ public abstract class QuickstepAppTransitionManagerImpl extends LauncherAppTrans
 
         mLauncher.addOnDeviceProfileChangeListener(this);
         registerRemoteAnimations();
+
+        mShelfPeekAnim = new ShelfPeekAnim(mLauncher);
+    }
+
+    public ShelfPeekAnim getShelfPeekAnim() {
+        return mShelfPeekAnim;
     }
 
     @Override
diff --git a/quickstep/src/com/android/launcher3/uioverrides/plugins/PluginInitializerImpl.java b/quickstep/src/com/android/launcher3/uioverrides/plugins/PluginInitializerImpl.java
index 910fa0df6..7beb9db84 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/plugins/PluginInitializerImpl.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/plugins/PluginInitializerImpl.java
@@ -14,16 +14,17 @@
 
 package com.android.launcher3.uioverrides.plugins;
 
+import static com.android.launcher3.util.Executors.MODEL_EXECUTOR;
+
 import android.content.Context;
 import android.os.Looper;
 
-import com.android.launcher3.LauncherModel;
 import com.android.systemui.shared.plugins.PluginInitializer;
 
 public class PluginInitializerImpl implements PluginInitializer {
     @Override
     public Looper getBgLooper() {
-        return LauncherModel.getWorkerLooper();
+        return MODEL_EXECUTOR.getLooper();
     }
 
     @Override
diff --git a/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/LandscapeEdgeSwipeController.java b/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/LandscapeEdgeSwipeController.java
index bb72315d3..39b0f8d21 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/LandscapeEdgeSwipeController.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/LandscapeEdgeSwipeController.java
@@ -11,7 +11,7 @@ import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherState;
 import com.android.launcher3.LauncherStateManager.AnimationComponents;
 import com.android.launcher3.touch.AbstractStateChangeTouchController;
-import com.android.launcher3.touch.SwipeDetector;
+import com.android.launcher3.touch.SingleAxisSwipeDetector;
 import com.android.launcher3.userevent.nano.LauncherLogProto;
 import com.android.launcher3.userevent.nano.LauncherLogProto.Action.Direction;
 import com.android.quickstep.RecentsModel;
@@ -24,7 +24,7 @@ public class LandscapeEdgeSwipeController extends AbstractStateChangeTouchContro
     private static final String TAG = "LandscapeEdgeSwipeCtrl";
 
     public LandscapeEdgeSwipeController(Launcher l) {
-        super(l, SwipeDetector.HORIZONTAL);
+        super(l, SingleAxisSwipeDetector.HORIZONTAL);
     }
 
     @Override
diff --git a/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/PortraitStatesTouchController.java b/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/PortraitStatesTouchController.java
index b81edfa4c..db6a40f2e 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/PortraitStatesTouchController.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/PortraitStatesTouchController.java
@@ -43,7 +43,7 @@ import com.android.launcher3.anim.AnimatorPlaybackController;
 import com.android.launcher3.anim.AnimatorSetBuilder;
 import com.android.launcher3.anim.Interpolators;
 import com.android.launcher3.touch.AbstractStateChangeTouchController;
-import com.android.launcher3.touch.SwipeDetector;
+import com.android.launcher3.touch.SingleAxisSwipeDetector;
 import com.android.launcher3.uioverrides.states.OverviewState;
 import com.android.launcher3.userevent.nano.LauncherLogProto.Action.Touch;
 import com.android.launcher3.userevent.nano.LauncherLogProto.ContainerType;
@@ -79,7 +79,7 @@ public class PortraitStatesTouchController extends AbstractStateChangeTouchContr
     private boolean mFinishFastOnSecondTouch;
 
     public PortraitStatesTouchController(Launcher l, boolean allowDragToOverview) {
-        super(l, SwipeDetector.VERTICAL);
+        super(l, SingleAxisSwipeDetector.VERTICAL);
         mOverviewPortraitStateTouchHelper = new PortraitOverviewStateTouchHelper(l);
         mAllowDragToOverview = allowDragToOverview;
     }
@@ -177,6 +177,20 @@ public class PortraitStatesTouchController extends AbstractStateChangeTouchContr
         return builder;
     }
 
+    private AnimatorSetBuilder getNormalToAllAppsAnimation() {
+        AnimatorSetBuilder builder = new AnimatorSetBuilder();
+        builder.setInterpolator(ANIM_ALL_APPS_FADE, Interpolators.clampToProgress(ACCEL,
+                0, ALL_APPS_CONTENT_FADE_THRESHOLD));
+        return builder;
+    }
+
+    private AnimatorSetBuilder getAllAppsToNormalAnimation() {
+        AnimatorSetBuilder builder = new AnimatorSetBuilder();
+        builder.setInterpolator(ANIM_ALL_APPS_FADE, Interpolators.clampToProgress(DEACCEL,
+                1 - ALL_APPS_CONTENT_FADE_THRESHOLD, 1));
+        return builder;
+    }
+
     @Override
     protected AnimatorSetBuilder getAnimatorSetBuilderForStates(LauncherState fromState,
             LauncherState toState) {
@@ -187,6 +201,10 @@ public class PortraitStatesTouchController extends AbstractStateChangeTouchContr
             builder = getOverviewToAllAppsAnimation();
         } else if (fromState == ALL_APPS && toState == OVERVIEW) {
             builder = getAllAppsToOverviewAnimation();
+        } else if (fromState == NORMAL && toState == ALL_APPS) {
+            builder = getNormalToAllAppsAnimation();
+        } else if (fromState == ALL_APPS && toState == NORMAL) {
+            builder = getAllAppsToNormalAnimation();
         }
         return builder;
     }
diff --git a/quickstep/src/com/android/quickstep/ActivityControlHelper.java b/quickstep/src/com/android/quickstep/ActivityControlHelper.java
index 5c9c7d4ca..110cc23ec 100644
--- a/quickstep/src/com/android/quickstep/ActivityControlHelper.java
+++ b/quickstep/src/com/android/quickstep/ActivityControlHelper.java
@@ -36,6 +36,7 @@ import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.anim.AnimatorPlaybackController;
 import com.android.quickstep.util.RemoteAnimationProvider;
 import com.android.quickstep.util.RemoteAnimationTargetSet;
+import com.android.quickstep.util.ShelfPeekAnim;
 import com.android.systemui.shared.system.RemoteAnimationTargetCompat;
 
 import java.util.function.BiPredicate;
@@ -109,16 +110,6 @@ public interface ActivityControlHelper<T extends BaseDraggingActivity> {
 
     interface AnimationFactory {
 
-        enum ShelfAnimState {
-            HIDE(true), PEEK(true), OVERVIEW(false), CANCEL(false);
-
-            ShelfAnimState(boolean shouldPreformHaptic) {
-                this.shouldPreformHaptic = shouldPreformHaptic;
-            }
-
-            public final boolean shouldPreformHaptic;
-        }
-
         default void onRemoteAnimationReceived(RemoteAnimationTargetSet targets) { }
 
         void createActivityController(long transitionLength);
@@ -127,8 +118,8 @@ public interface ActivityControlHelper<T extends BaseDraggingActivity> {
 
         default void onTransitionCancelled() { }
 
-        default void setShelfState(ShelfAnimState animState, Interpolator interpolator,
-                long duration) { }
+        default void setShelfState(ShelfPeekAnim.ShelfAnimState animState,
+                Interpolator interpolator, long duration) { }
 
         /**
          * @param attached Whether to show RecentsView alongside the app window. If false, recents
diff --git a/quickstep/src/com/android/quickstep/BaseRecentsActivity.java b/quickstep/src/com/android/quickstep/BaseRecentsActivity.java
index c84013257..1ac7ed4a3 100644
--- a/quickstep/src/com/android/quickstep/BaseRecentsActivity.java
+++ b/quickstep/src/com/android/quickstep/BaseRecentsActivity.java
@@ -157,6 +157,6 @@ public abstract class BaseRecentsActivity extends BaseDraggingActivity {
     public void dump(String prefix, FileDescriptor fd, PrintWriter writer, String[] args) {
         super.dump(prefix, fd, writer, args);
         writer.println(prefix + "Misc:");
-        dumpMisc(writer);
+        dumpMisc(prefix + "\t", writer);
     }
 }
diff --git a/quickstep/src/com/android/quickstep/OverviewInteractionState.java b/quickstep/src/com/android/quickstep/OverviewInteractionState.java
index 78b48d77a..858c3b6b3 100644
--- a/quickstep/src/com/android/quickstep/OverviewInteractionState.java
+++ b/quickstep/src/com/android/quickstep/OverviewInteractionState.java
@@ -15,20 +15,21 @@
  */
 package com.android.quickstep;
 
+import static com.android.launcher3.util.Executors.UI_HELPER_EXECUTOR;
+
 import android.content.Context;
 import android.os.Handler;
 import android.os.Message;
 import android.os.RemoteException;
 import android.util.Log;
 
+import androidx.annotation.WorkerThread;
+
 import com.android.launcher3.Utilities;
 import com.android.launcher3.allapps.DiscoveryBounce;
 import com.android.launcher3.util.MainThreadInitializedObject;
-import com.android.launcher3.util.UiThreadHelper;
 import com.android.systemui.shared.recents.ISystemUiProxy;
 
-import androidx.annotation.WorkerThread;
-
 /**
  * Sets alpha for the back button
  */
@@ -62,7 +63,7 @@ public class OverviewInteractionState {
         // because of its high send frequency and data may be very different than the previous value
         // For example, send back alpha on uihandler to avoid flickering when setting its visibility
         mUiHandler = new Handler(this::handleUiMessage);
-        mBgHandler = new Handler(UiThreadHelper.getBackgroundLooper(), this::handleBgMessage);
+        mBgHandler = new Handler(UI_HELPER_EXECUTOR.getLooper(), this::handleBgMessage);
 
         onNavigationModeChanged(SysUINavigationMode.INSTANCE.get(context)
                 .addModeChangeListener(this::onNavigationModeChanged));
diff --git a/quickstep/src/com/android/quickstep/RecentTasksList.java b/quickstep/src/com/android/quickstep/RecentTasksList.java
index e41dba94c..10f9febfb 100644
--- a/quickstep/src/com/android/quickstep/RecentTasksList.java
+++ b/quickstep/src/com/android/quickstep/RecentTasksList.java
@@ -16,19 +16,22 @@
 
 package com.android.quickstep;
 
-import static com.android.quickstep.TouchInteractionService.BACKGROUND_EXECUTOR;
+import static com.android.launcher3.util.Executors.UI_HELPER_EXECUTOR;
 
 import android.annotation.TargetApi;
 import android.app.ActivityManager;
-import android.content.Context;
 import android.os.Build;
 import android.os.Process;
 import android.util.SparseBooleanArray;
-import com.android.launcher3.MainThreadExecutor;
+
+import androidx.annotation.VisibleForTesting;
+
+import com.android.launcher3.util.LooperExecutor;
 import com.android.systemui.shared.recents.model.Task;
 import com.android.systemui.shared.system.ActivityManagerWrapper;
 import com.android.systemui.shared.system.KeyguardManagerCompat;
 import com.android.systemui.shared.system.TaskStackChangeListener;
+
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
@@ -41,7 +44,8 @@ import java.util.function.Consumer;
 public class RecentTasksList extends TaskStackChangeListener {
 
     private final KeyguardManagerCompat mKeyguardManager;
-    private final MainThreadExecutor mMainThreadExecutor;
+    private final LooperExecutor mMainThreadExecutor;
+    private final ActivityManagerWrapper mActivityManagerWrapper;
 
     // The list change id, increments as the task list changes in the system
     private int mChangeId;
@@ -52,11 +56,13 @@ public class RecentTasksList extends TaskStackChangeListener {
 
     ArrayList<Task> mTasks = new ArrayList<>();
 
-    public RecentTasksList(Context context) {
-        mMainThreadExecutor = new MainThreadExecutor();
-        mKeyguardManager = new KeyguardManagerCompat(context);
+    public RecentTasksList(LooperExecutor mainThreadExecutor,
+            KeyguardManagerCompat keyguardManager, ActivityManagerWrapper activityManagerWrapper) {
+        mMainThreadExecutor = mainThreadExecutor;
+        mKeyguardManager = keyguardManager;
         mChangeId = 1;
-        ActivityManagerWrapper.getInstance().registerTaskStackListener(this);
+        mActivityManagerWrapper = activityManagerWrapper;
+        mActivityManagerWrapper.registerTaskStackListener(this);
     }
 
     /**
@@ -64,7 +70,7 @@ public class RecentTasksList extends TaskStackChangeListener {
      */
     public void getTaskKeys(int numTasks, Consumer<ArrayList<Task>> callback) {
         // Kick off task loading in the background
-        BACKGROUND_EXECUTOR.execute(() -> {
+        UI_HELPER_EXECUTOR.execute(() -> {
             ArrayList<Task> tasks = loadTasksInBackground(numTasks, true /* loadKeysOnly */);
             mMainThreadExecutor.execute(() -> callback.accept(tasks));
         });
@@ -86,12 +92,12 @@ public class RecentTasksList extends TaskStackChangeListener {
         if (mLastLoadedId == mChangeId && (!mLastLoadHadKeysOnly || loadKeysOnly)) {
             // The list is up to date, send the callback on the next frame,
             // so that requestID can be returned first.
-            mMainThreadExecutor.getHandler().post(resultCallback);
+            mMainThreadExecutor.post(resultCallback);
             return requestLoadId;
         }
 
         // Kick off task loading in the background
-        BACKGROUND_EXECUTOR.execute(() -> {
+        UI_HELPER_EXECUTOR.execute(() -> {
             ArrayList<Task> tasks = loadTasksInBackground(Integer.MAX_VALUE, loadKeysOnly);
 
             mMainThreadExecutor.execute(() -> {
@@ -136,12 +142,13 @@ public class RecentTasksList extends TaskStackChangeListener {
     /**
      * Loads and creates a list of all the recent tasks.
      */
-    private ArrayList<Task> loadTasksInBackground(int numTasks,
+    @VisibleForTesting
+    ArrayList<Task> loadTasksInBackground(int numTasks,
             boolean loadKeysOnly) {
         int currentUserId = Process.myUserHandle().getIdentifier();
         ArrayList<Task> allTasks = new ArrayList<>();
         List<ActivityManager.RecentTaskInfo> rawTasks =
-                ActivityManagerWrapper.getInstance().getRecentTasks(numTasks, currentUserId);
+                mActivityManagerWrapper.getRecentTasks(numTasks, currentUserId);
         // The raw tasks are given in most-recent to least-recent order, we need to reverse it
         Collections.reverse(rawTasks);
 
diff --git a/quickstep/src/com/android/quickstep/RecentsActivityTracker.java b/quickstep/src/com/android/quickstep/RecentsActivityTracker.java
index f9d2f11cb..4d1d9ef8a 100644
--- a/quickstep/src/com/android/quickstep/RecentsActivityTracker.java
+++ b/quickstep/src/com/android/quickstep/RecentsActivityTracker.java
@@ -15,6 +15,8 @@
  */
 package com.android.quickstep;
 
+import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
+
 import android.annotation.TargetApi;
 import android.content.Context;
 import android.content.Intent;
@@ -22,7 +24,6 @@ import android.os.Build;
 import android.os.Bundle;
 import android.os.Handler;
 
-import com.android.launcher3.MainThreadExecutor;
 import com.android.quickstep.ActivityControlHelper.ActivityInitListener;
 import com.android.quickstep.util.RemoteAnimationProvider;
 
@@ -92,14 +93,10 @@ public class RecentsActivityTracker<T extends BaseRecentsActivity> implements Ac
     private static class Scheduler implements Runnable {
 
         private WeakReference<RecentsActivityTracker> mPendingTracker = new WeakReference<>(null);
-        private MainThreadExecutor mMainThreadExecutor;
 
         public synchronized void schedule(RecentsActivityTracker tracker) {
             mPendingTracker = new WeakReference<>(tracker);
-            if (mMainThreadExecutor == null) {
-                mMainThreadExecutor = new MainThreadExecutor();
-            }
-            mMainThreadExecutor.execute(this);
+            MAIN_EXECUTOR.execute(this);
         }
 
         @Override
diff --git a/quickstep/src/com/android/quickstep/RecentsModel.java b/quickstep/src/com/android/quickstep/RecentsModel.java
index dfab43459..2e59ed5e4 100644
--- a/quickstep/src/com/android/quickstep/RecentsModel.java
+++ b/quickstep/src/com/android/quickstep/RecentsModel.java
@@ -15,6 +15,10 @@
  */
 package com.android.quickstep;
 
+import static android.os.Process.THREAD_PRIORITY_BACKGROUND;
+
+import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
+import static com.android.launcher3.util.Executors.createAndStartNewLooper;
 import static com.android.quickstep.TaskUtils.checkCurrentOrManagedUserId;
 
 import android.annotation.TargetApi;
@@ -22,16 +26,20 @@ import android.app.ActivityManager;
 import android.content.ComponentCallbacks2;
 import android.content.Context;
 import android.os.Build;
-import android.os.HandlerThread;
+import android.os.Looper;
 import android.os.Process;
 import android.os.RemoteException;
+import android.os.UserHandle;
 import android.util.Log;
 
+import com.android.launcher3.compat.LauncherAppsCompat;
+import com.android.launcher3.compat.LauncherAppsCompat.OnAppsChangedCallbackCompat;
 import com.android.launcher3.util.MainThreadInitializedObject;
 import com.android.systemui.shared.recents.ISystemUiProxy;
 import com.android.systemui.shared.recents.model.Task;
 import com.android.systemui.shared.recents.model.ThumbnailData;
 import com.android.systemui.shared.system.ActivityManagerWrapper;
+import com.android.systemui.shared.system.KeyguardManagerCompat;
 import com.android.systemui.shared.system.TaskStackChangeListener;
 
 import java.util.ArrayList;
@@ -61,13 +69,14 @@ public class RecentsModel extends TaskStackChangeListener {
 
     private RecentsModel(Context context) {
         mContext = context;
-        HandlerThread loaderThread = new HandlerThread("TaskThumbnailIconCache",
-                Process.THREAD_PRIORITY_BACKGROUND);
-        loaderThread.start();
-        mTaskList = new RecentTasksList(context);
-        mIconCache = new TaskIconCache(context, loaderThread.getLooper());
-        mThumbnailCache = new TaskThumbnailCache(context, loaderThread.getLooper());
+        Looper looper =
+                createAndStartNewLooper("TaskThumbnailIconCache", THREAD_PRIORITY_BACKGROUND);
+        mTaskList = new RecentTasksList(MAIN_EXECUTOR,
+                new KeyguardManagerCompat(context), ActivityManagerWrapper.getInstance());
+        mIconCache = new TaskIconCache(context, looper);
+        mThumbnailCache = new TaskThumbnailCache(context, looper);
         ActivityManagerWrapper.getInstance().registerTaskStackListener(this);
+        setupPackageListener();
     }
 
     public TaskIconCache getIconCache() {
@@ -166,6 +175,7 @@ public class RecentsModel extends TaskStackChangeListener {
     public void onTaskRemoved(int taskId) {
         Task.TaskKey dummyKey = new Task.TaskKey(taskId, 0, null, null, 0, 0);
         mThumbnailCache.remove(dummyKey);
+        mIconCache.onTaskRemoved(dummyKey);
     }
 
     public void setSystemUiProxy(ISystemUiProxy systemUiProxy) {
@@ -200,6 +210,21 @@ public class RecentsModel extends TaskStackChangeListener {
         }
     }
 
+    private void setupPackageListener() {
+        LauncherAppsCompat.getInstance(mContext)
+                .addOnAppsChangedCallback(new OnAppsChangedCallbackCompat() {
+                    @Override
+                    public void onPackageRemoved(String packageName, UserHandle user) {
+                        mIconCache.invalidatePackage(packageName);
+                    }
+
+                    @Override
+                    public void onPackageChanged(String packageName, UserHandle user) {
+                        mIconCache.invalidatePackage(packageName);
+                    }
+                });
+    }
+
     public void addThumbnailChangeListener(TaskThumbnailChangeListener listener) {
         mThumbnailChangeListeners.add(listener);
     }
diff --git a/quickstep/src/com/android/quickstep/TaskIconCache.java b/quickstep/src/com/android/quickstep/TaskIconCache.java
index 07af9b385..289a12970 100644
--- a/quickstep/src/com/android/quickstep/TaskIconCache.java
+++ b/quickstep/src/com/android/quickstep/TaskIconCache.java
@@ -16,6 +16,7 @@
 package com.android.quickstep;
 
 import static com.android.launcher3.uioverrides.RecentsUiFactory.GO_LOW_RAM_RECENTS_ENABLED;
+import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
 
 import android.content.ComponentName;
 import android.content.Context;
@@ -27,26 +28,25 @@ import android.os.Looper;
 import android.util.LruCache;
 import android.view.accessibility.AccessibilityManager;
 
-import com.android.launcher3.MainThreadExecutor;
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.icons.cache.HandlerRunnable;
-import com.android.launcher3.uioverrides.RecentsUiFactory;
 import com.android.launcher3.util.Preconditions;
 import com.android.systemui.shared.recents.model.Task;
+import com.android.systemui.shared.recents.model.Task.TaskKey;
 import com.android.systemui.shared.recents.model.TaskKeyLruCache;
 import com.android.systemui.shared.system.ActivityManagerWrapper;
 
+import java.util.Map;
 import java.util.function.Consumer;
 
 /**
  * Manages the caching of task icons and related data.
- * TODO: This class should later be merged into IconCache.
+ * TODO(b/138944598): This class should later be merged into IconCache.
  */
 public class TaskIconCache {
 
     private final Handler mBackgroundHandler;
-    private final MainThreadExecutor mMainThreadExecutor;
     private final AccessibilityManager mAccessibilityManager;
 
     private final NormalizedIconLoader mIconLoader;
@@ -67,7 +67,6 @@ public class TaskIconCache {
 
     public TaskIconCache(Context context, Looper backgroundLooper) {
         mBackgroundHandler = new Handler(backgroundLooper);
-        mMainThreadExecutor = new MainThreadExecutor();
         mAccessibilityManager = context.getSystemService(AccessibilityManager.class);
 
         Resources res = context.getResources();
@@ -103,7 +102,7 @@ public class TaskIconCache {
                     // We don't call back to the provided callback in this case
                     return;
                 }
-                mMainThreadExecutor.execute(() -> {
+                MAIN_EXECUTOR.execute(() -> {
                     task.icon = icon;
                     task.titleDescription = contentDescription;
                     callback.accept(task);
@@ -149,6 +148,21 @@ public class TaskIconCache {
         return label;
     }
 
+
+    void onTaskRemoved(TaskKey taskKey) {
+        mIconCache.remove(taskKey);
+    }
+
+    void invalidatePackage(String packageName) {
+        // TODO(b/138944598): Merge this class into IconCache so we can do this at the base level
+        Map<ComponentName, ActivityInfo> activityInfoCache = mActivityInfoCache.snapshot();
+        for (ComponentName cn : activityInfoCache.keySet()) {
+            if (cn.getPackageName().equals(packageName)) {
+                mActivityInfoCache.remove(cn);
+            }
+        }
+    }
+
     public static abstract class IconLoadRequest extends HandlerRunnable {
         IconLoadRequest(Handler handler) {
             super(handler, null);
diff --git a/quickstep/src/com/android/quickstep/TaskThumbnailCache.java b/quickstep/src/com/android/quickstep/TaskThumbnailCache.java
index 57c5a2783..3b50c2623 100644
--- a/quickstep/src/com/android/quickstep/TaskThumbnailCache.java
+++ b/quickstep/src/com/android/quickstep/TaskThumbnailCache.java
@@ -15,12 +15,14 @@
  */
 package com.android.quickstep;
 
+import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
+
 import android.app.ActivityManager;
 import android.content.Context;
 import android.content.res.Resources;
 import android.os.Handler;
 import android.os.Looper;
-import com.android.launcher3.MainThreadExecutor;
+
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.icons.cache.HandlerRunnable;
@@ -30,13 +32,13 @@ import com.android.systemui.shared.recents.model.Task.TaskKey;
 import com.android.systemui.shared.recents.model.TaskKeyLruCache;
 import com.android.systemui.shared.recents.model.ThumbnailData;
 import com.android.systemui.shared.system.ActivityManagerWrapper;
+
 import java.util.ArrayList;
 import java.util.function.Consumer;
 
 public class TaskThumbnailCache {
 
     private final Handler mBackgroundHandler;
-    private final MainThreadExecutor mMainThreadExecutor;
 
     private final int mCacheSize;
     private final ThumbnailCache mCache;
@@ -94,7 +96,6 @@ public class TaskThumbnailCache {
 
     public TaskThumbnailCache(Context context, Looper backgroundLooper) {
         mBackgroundHandler = new Handler(backgroundLooper);
-        mMainThreadExecutor = new MainThreadExecutor();
         mHighResLoadingState = new HighResLoadingState(context);
 
         Resources res = context.getResources();
@@ -168,7 +169,7 @@ public class TaskThumbnailCache {
                     // We don't call back to the provided callback in this case
                     return;
                 }
-                mMainThreadExecutor.execute(() -> {
+                MAIN_EXECUTOR.execute(() -> {
                     mCache.put(key, thumbnail);
                     callback.accept(thumbnail);
                     onEnd();
diff --git a/quickstep/src/com/android/quickstep/logging/StatsLogCompatManager.java b/quickstep/src/com/android/quickstep/logging/StatsLogCompatManager.java
index bf3cd8afe..8e5ed1a3e 100644
--- a/quickstep/src/com/android/quickstep/logging/StatsLogCompatManager.java
+++ b/quickstep/src/com/android/quickstep/logging/StatsLogCompatManager.java
@@ -29,12 +29,16 @@ import android.content.Intent;
 import android.stats.launcher.nano.Launcher;
 import android.stats.launcher.nano.LauncherExtension;
 import android.stats.launcher.nano.LauncherTarget;
+import android.util.Log;
 import android.view.View;
 
 import com.android.launcher3.ItemInfo;
 import com.android.launcher3.logging.StatsLogManager;
 import com.android.launcher3.logging.StatsLogUtils;
 import com.android.launcher3.userevent.nano.LauncherLogProto.Target;
+import com.android.launcher3.userevent.nano.LauncherLogProto.ItemType;
+import com.android.launcher3.userevent.nano.LauncherLogProto.ContainerType;
+import com.android.launcher3.userevent.nano.LauncherLogProto.ControlType;
 import com.android.launcher3.util.ComponentKey;
 import com.android.systemui.shared.system.StatsLogCompat;
 import com.google.protobuf.nano.MessageNano;
@@ -50,6 +54,8 @@ import com.google.protobuf.nano.MessageNano;
 public class StatsLogCompatManager extends StatsLogManager {
 
     private static final int SUPPORTED_TARGET_DEPTH = 2;
+    private static final String TAG = "StatsLogCompatManager";
+    private static final boolean DEBUG = false;
 
     public StatsLogCompatManager(Context context) { }
 
@@ -59,6 +65,9 @@ public class StatsLogCompatManager extends StatsLogManager {
         ext.srcTarget = new LauncherTarget[SUPPORTED_TARGET_DEPTH];
         int srcState = mStateProvider.getCurrentState();
         fillInLauncherExtension(v, ext);
+        if (ext.srcTarget[0] != null) {
+            ext.srcTarget[0].item = LauncherTarget.APP_ICON;
+        }
         StatsLogCompat.write(LAUNCH_APP, srcState, BACKGROUND /* dstState */,
                 MessageNano.toByteArray(ext), true);
     }
@@ -95,28 +104,132 @@ public class StatsLogCompatManager extends StatsLogManager {
     }
 
     public static boolean fillInLauncherExtension(View v, LauncherExtension extension) {
+        if (DEBUG) {
+            Log.d(TAG, "fillInLauncherExtension");
+        }
+
         StatsLogUtils.LogContainerProvider provider = StatsLogUtils.getLaunchProviderRecursive(v);
         if (v == null || !(v.getTag() instanceof ItemInfo) || provider == null) {
+            if (DEBUG) {
+                Log.d(TAG, "View or provider is null, or view doesn't have an ItemInfo tag.");
+            }
+
             return false;
         }
         ItemInfo itemInfo = (ItemInfo) v.getTag();
         Target child = new Target();
         Target parent = new Target();
         provider.fillInLogContainerData(v, itemInfo, child, parent);
+        extension.srcTarget[0] = new LauncherTarget();
+        extension.srcTarget[1] = new LauncherTarget();
         copy(child, extension.srcTarget[0]);
         copy(parent, extension.srcTarget[1]);
         return true;
     }
 
     public static boolean fillInLauncherExtensionWithPageId(LauncherExtension ext, int pageId) {
+        if (DEBUG) {
+            Log.d(TAG, "fillInLauncherExtensionWithPageId, pageId = " + pageId);
+        }
+
         Target target = new Target();
         target.pageIndex = pageId;
+        ext.srcTarget[0] = new LauncherTarget();
         copy(target, ext.srcTarget[0]);
         return true;
     }
 
     private static void copy(Target src, LauncherTarget dst) {
-        // fill in
+        if (DEBUG) {
+            Log.d(TAG, "copy target information from clearcut Target to LauncherTarget.");
+        }
+
+        // Fill in type
+        switch (src.type) {
+            case Target.Type.ITEM:
+                dst.type = LauncherTarget.ITEM_TYPE;
+                break;
+            case Target.Type.CONTROL:
+                dst.type = LauncherTarget.CONTROL_TYPE;
+                break;
+            case Target.Type.CONTAINER:
+                dst.type = LauncherTarget.CONTAINER_TYPE;
+                break;
+            default:
+                dst.type = LauncherTarget.NONE;
+                break;
+        }
+
+        // Fill in item
+        switch (src.itemType) {
+            case ItemType.APP_ICON:
+                dst.item = LauncherTarget.APP_ICON;
+                break;
+            case ItemType.SHORTCUT:
+                dst.item = LauncherTarget.SHORTCUT;
+                break;
+            case ItemType.WIDGET:
+                dst.item = LauncherTarget.WIDGET;
+                break;
+            case ItemType.FOLDER_ICON:
+                dst.item = LauncherTarget.FOLDER_ICON;
+                break;
+            case ItemType.DEEPSHORTCUT:
+                dst.item = LauncherTarget.DEEPSHORTCUT;
+                break;
+            case ItemType.SEARCHBOX:
+                dst.item = LauncherTarget.SEARCHBOX;
+                break;
+            case ItemType.EDITTEXT:
+                dst.item = LauncherTarget.EDITTEXT;
+                break;
+            case ItemType.NOTIFICATION:
+                dst.item = LauncherTarget.NOTIFICATION;
+                break;
+            case ItemType.TASK:
+                dst.item = LauncherTarget.TASK;
+                break;
+            default:
+                dst.item = LauncherTarget.DEFAULT_ITEM;
+                break;
+        }
+
+        // Fill in container
+        switch (src.containerType) {
+            case ContainerType.HOTSEAT:
+                dst.container = LauncherTarget.HOTSEAT;
+                break;
+            case ContainerType.FOLDER:
+                dst.container = LauncherTarget.FOLDER;
+                break;
+            case ContainerType.PREDICTION:
+                dst.container = LauncherTarget.PREDICTION;
+                break;
+            case ContainerType.SEARCHRESULT:
+                dst.container = LauncherTarget.SEARCHRESULT;
+                break;
+            default:
+                dst.container = LauncherTarget.DEFAULT_CONTAINER;
+                break;
+        }
+
+        // Fill in control
+        switch (src.controlType) {
+            case ControlType.UNINSTALL_TARGET:
+                dst.control = LauncherTarget.UNINSTALL;
+                break;
+            case ControlType.REMOVE_TARGET:
+                dst.control = LauncherTarget.REMOVE;
+                break;
+            default:
+                dst.control = LauncherTarget.DEFAULT_CONTROL;
+                break;
+        }
+
+        // Fill in other fields
+        dst.pageId = src.pageIndex;
+        dst.gridX = src.gridX;
+        dst.gridY = src.gridY;
     }
 
     @Override
diff --git a/quickstep/src/com/android/quickstep/logging/UserEventDispatcherExtension.java b/quickstep/src/com/android/quickstep/logging/UserEventDispatcherExtension.java
index 4a11601bb..9ca7f234e 100644
--- a/quickstep/src/com/android/quickstep/logging/UserEventDispatcherExtension.java
+++ b/quickstep/src/com/android/quickstep/logging/UserEventDispatcherExtension.java
@@ -20,10 +20,10 @@ import android.util.Log;
 
 import static com.android.launcher3.logging.LoggerUtils.newLauncherEvent;
 import static com.android.launcher3.userevent.nano.LauncherLogProto.ControlType.CANCEL_TARGET;
-import static com.android.systemui.shared.system.LauncherEventUtil.VISIBLE;
 import static com.android.systemui.shared.system.LauncherEventUtil.DISMISS;
 import static com.android.systemui.shared.system.LauncherEventUtil.RECENTS_QUICK_SCRUB_ONBOARDING_TIP;
 import static com.android.systemui.shared.system.LauncherEventUtil.RECENTS_SWIPE_UP_ONBOARDING_TIP;
+import static com.android.systemui.shared.system.LauncherEventUtil.VISIBLE;
 
 import com.android.launcher3.logging.UserEventDispatcher;
 import com.android.launcher3.userevent.nano.LauncherLogProto;
diff --git a/quickstep/src/com/android/quickstep/util/AssistantUtilities.java b/quickstep/src/com/android/quickstep/util/AssistantUtilities.java
new file mode 100644
index 000000000..552db1f4d
--- /dev/null
+++ b/quickstep/src/com/android/quickstep/util/AssistantUtilities.java
@@ -0,0 +1,47 @@
+/*
+ * 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.quickstep.util;
+
+import static com.android.systemui.shared.system.RemoteAnimationTargetCompat.ACTIVITY_TYPE_ASSISTANT;
+
+import android.annotation.TargetApi;
+import android.app.TaskInfo;
+import android.content.Intent;
+import android.os.Build;
+
+import com.android.systemui.shared.system.ActivityManagerWrapper;
+import com.android.systemui.shared.system.TaskInfoCompat;
+
+/**
+ * Utility class for interacting with the Assistant.
+ */
+@TargetApi(Build.VERSION_CODES.Q)
+public final class AssistantUtilities {
+
+    /** Returns true if an Assistant activity that is excluded from recents is running. */
+    public static boolean isExcludedAssistantRunning() {
+        return isExcludedAssistant(ActivityManagerWrapper.getInstance().getRunningTask());
+    }
+
+    /** Returns true if the given task holds an Assistant activity that is excluded from recents. */
+    public static boolean isExcludedAssistant(TaskInfo info) {
+        return info != null
+            && TaskInfoCompat.getActivityType(info) == ACTIVITY_TYPE_ASSISTANT
+            && (info.baseIntent.getFlags() & Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS) != 0;
+    }
+
+    private AssistantUtilities() {}
+}
diff --git a/quickstep/src/com/android/quickstep/util/LayoutUtils.java b/quickstep/src/com/android/quickstep/util/LayoutUtils.java
index 050bdff09..2e118b44d 100644
--- a/quickstep/src/com/android/quickstep/util/LayoutUtils.java
+++ b/quickstep/src/com/android/quickstep/util/LayoutUtils.java
@@ -26,7 +26,7 @@ import androidx.annotation.IntDef;
 
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.R;
-import com.android.launcher3.config.FeatureFlags;
+import com.android.quickstep.SysUINavigationMode;
 
 import java.lang.annotation.Retention;
 
@@ -39,12 +39,27 @@ public class LayoutUtils {
     @IntDef({MULTI_WINDOW_STRATEGY_HALF_SCREEN, MULTI_WINDOW_STRATEGY_DEVICE_PROFILE})
     private @interface MultiWindowStrategy {}
 
+    /**
+     * The height for the swipe up motion
+     */
+    public static float getDefaultSwipeHeight(Context context, DeviceProfile dp) {
+        float swipeHeight = dp.allAppsCellHeightPx - dp.allAppsIconTextSizePx;
+        if (SysUINavigationMode.getMode(context) == SysUINavigationMode.Mode.NO_BUTTON) {
+            swipeHeight -= dp.getInsets().bottom;
+        }
+        return swipeHeight;
+    }
+
     public static void calculateLauncherTaskSize(Context context, DeviceProfile dp, Rect outRect) {
         float extraSpace;
         if (dp.isVerticalBarLayout()) {
             extraSpace = 0;
         } else {
-            extraSpace = dp.hotseatBarSizePx + dp.verticalDragHandleSizePx;
+            Resources res = context.getResources();
+
+            extraSpace = getDefaultSwipeHeight(context, dp) + dp.verticalDragHandleSizePx
+                    + res.getDimensionPixelSize(R.dimen.dynamic_grid_hotseat_extra_vertical_size)
+                    + res.getDimensionPixelSize(R.dimen.dynamic_grid_hotseat_bottom_padding);
         }
         calculateTaskSize(context, dp, extraSpace, MULTI_WINDOW_STRATEGY_HALF_SCREEN, outRect);
     }
diff --git a/quickstep/src/com/android/quickstep/views/ShelfScrimView.java b/quickstep/src/com/android/quickstep/views/ShelfScrimView.java
index dc6b56eec..3320dae73 100644
--- a/quickstep/src/com/android/quickstep/views/ShelfScrimView.java
+++ b/quickstep/src/com/android/quickstep/views/ShelfScrimView.java
@@ -18,6 +18,7 @@ package com.android.quickstep.views;
 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;
@@ -35,15 +36,18 @@ import android.util.AttributeSet;
 import android.view.animation.Interpolator;
 
 import com.android.launcher3.DeviceProfile;
+import com.android.launcher3.LauncherState;
+import com.android.launcher3.QuickstepAppTransitionManagerImpl;
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.anim.Interpolators;
-import com.android.launcher3.uioverrides.states.OverviewState;
 import com.android.launcher3.util.Themes;
 import com.android.launcher3.views.ScrimView;
 import com.android.quickstep.SysUINavigationMode;
 import com.android.quickstep.SysUINavigationMode.Mode;
 import com.android.quickstep.SysUINavigationMode.NavigationModeChangeListener;
+import com.android.quickstep.util.LayoutUtils;
+import com.android.quickstep.util.ShelfPeekAnim;
 
 /**
  * Scrim used for all-apps and shelf in Overview
@@ -161,9 +165,9 @@ public class ShelfScrimView extends ScrimView implements NavigationModeChangeLis
                 mMidProgress =  OVERVIEW.getVerticalProgress(mLauncher);
                 Rect hotseatPadding = dp.getHotseatLayoutPadding();
                 int hotseatSize = dp.hotseatBarSizePx + dp.getInsets().bottom
-                        - hotseatPadding.bottom - hotseatPadding.top;
+                        + hotseatPadding.bottom + hotseatPadding.top;
                 float dragHandleTop =
-                        Math.min(hotseatSize, OverviewState.getDefaultSwipeHeight(context, dp));
+                        Math.min(hotseatSize, LayoutUtils.getDefaultSwipeHeight(context, dp));
                 mDragHandleProgress =  1 - (dragHandleTop / mShiftRange);
             }
             mTopOffset = dp.getInsets().top - mShelfOffset;
@@ -193,8 +197,12 @@ public class ShelfScrimView extends ScrimView implements NavigationModeChangeLis
         if (mProgress >= 1) {
             mRemainingScreenColor = 0;
             mShelfColor = 0;
+            ShelfPeekAnim shelfPeekAnim = ((QuickstepAppTransitionManagerImpl)
+                    mLauncher.getAppTransitionManager()).getShelfPeekAnim();
+            LauncherState state = mLauncher.getStateManager().getState();
             if (mSysUINavigationMode == Mode.NO_BUTTON
-                    && mLauncher.getStateManager().getState() == BACKGROUND_APP) {
+                    && (state == BACKGROUND_APP || state == QUICK_SWITCH)
+                    && shelfPeekAnim.isPeeking()) {
                 // Show the shelf background when peeking during swipe up.
                 mShelfColor = setColorAlphaBound(mEndScrim, mMidAlpha);
             }