Merging from ub-launcher3-master @ build 6369897 am: 884f8f217f

Change-Id: I3fee2a4fdb36e90743402d107aaf898c6e190dcb

quickstep/recents_ui_overrides/src/com/android/launcher3/hybridhotseat/HotseatEduDialog.java

@@ -209,6 +209,7 @@ public class HotseatEduDialog extends AbstractSlideInView implements Insettable
             WorkspaceItemInfo info = predictions.get(i);
             PredictedAppIcon icon = PredictedAppIcon.createIcon(mSampleHotseat, info);
             icon.setEnabled(false);
+            icon.setImportantForAccessibility(View.IMPORTANT_FOR_ACCESSIBILITY_NO);
             icon.verifyHighRes();
             CellLayout.LayoutParams lp = new CellLayout.LayoutParams(i, 0, 1, 1);
             mSampleHotseat.addViewToCellLayout(icon, i, info.getViewId(), lp, true);

quickstep/recents_ui_overrides/src/com/android/launcher3/hybridhotseat/HotseatPredictionController.java

@@ -349,7 +349,10 @@ public class HotseatPredictionController implements DragController.DragListener,
                 mHotSeatItemsCount);
     }
 
-    private void pinPrediction(ItemInfo info) {
+    /**
+     * Pins a predicted app icon into place.
+     */
+    public void pinPrediction(ItemInfo info) {
         PredictedAppIcon icon = (PredictedAppIcon) mHotseat.getChildAt(
                 mHotseat.getCellXFromOrder(info.rank),
                 mHotseat.getCellYFromOrder(info.rank));

quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/PredictedAppIcon.java

@@ -15,6 +15,7 @@
  */
 package com.android.launcher3.uioverrides;
 
+import static com.android.launcher3.accessibility.LauncherAccessibilityDelegate.PIN_PREDICTION;
 import static com.android.launcher3.graphics.IconShape.getShape;
 
 import android.content.Context;
@@ -26,15 +27,19 @@ import android.graphics.Rect;
 import android.util.AttributeSet;
 import android.view.LayoutInflater;
 import android.view.ViewGroup;
+import android.view.accessibility.AccessibilityNodeInfo;
 
 import androidx.core.graphics.ColorUtils;
 
 import com.android.launcher3.CellLayout;
 import com.android.launcher3.DeviceProfile;
+import com.android.launcher3.ItemInfo;
 import com.android.launcher3.Launcher;
 import com.android.launcher3.R;
 import com.android.launcher3.WorkspaceItemInfo;
+import com.android.launcher3.accessibility.LauncherAccessibilityDelegate;
 import com.android.launcher3.graphics.IconPalette;
+import com.android.launcher3.hybridhotseat.HotseatPredictionController;
 import com.android.launcher3.icons.IconNormalizer;
 import com.android.launcher3.touch.ItemClickHandler;
 import com.android.launcher3.touch.ItemLongClickListener;
@@ -43,7 +48,8 @@ import com.android.launcher3.views.DoubleShadowBubbleTextView;
 /**
  * A BubbleTextView with a ring around it's drawable
  */
-public class PredictedAppIcon extends DoubleShadowBubbleTextView {
+public class PredictedAppIcon extends DoubleShadowBubbleTextView implements
+        LauncherAccessibilityDelegate.AccessibilityActionHandler {
 
     private static final float RING_EFFECT_RATIO = 0.11f;
 
@@ -97,6 +103,13 @@ public class PredictedAppIcon extends DoubleShadowBubbleTextView {
         super.applyFromWorkspaceItem(info);
         int color = IconPalette.getMutedColor(info.bitmap.color, 0.54f);
         mIconRingPaint.setColor(ColorUtils.setAlphaComponent(color, 200));
+        if (mIsPinned) {
+            setContentDescription(info.contentDescription);
+        } else {
+            setContentDescription(
+                    getContext().getString(R.string.hotseat_prediction_content_description,
+                            info.contentDescription));
+        }
     }
 
     /**
@@ -104,9 +117,9 @@ public class PredictedAppIcon extends DoubleShadowBubbleTextView {
      */
     public void pin(WorkspaceItemInfo info) {
         if (mIsPinned) return;
+        mIsPinned = true;
         applyFromWorkspaceItem(info);
         setOnLongClickListener(ItemLongClickListener.INSTANCE_WORKSPACE);
-        mIsPinned = true;
         ((CellLayout.LayoutParams) getLayoutParams()).canReorder = true;
         invalidate();
     }
@@ -121,6 +134,27 @@ public class PredictedAppIcon extends DoubleShadowBubbleTextView {
         verifyHighRes();
     }
 
+    @Override
+    public void addSupportedAccessibilityActions(AccessibilityNodeInfo accessibilityNodeInfo) {
+        accessibilityNodeInfo.addAction(
+                new AccessibilityNodeInfo.AccessibilityAction(PIN_PREDICTION,
+                        getContext().getText(R.string.pin_prediction)));
+    }
+
+    @Override
+    public boolean performAccessibilityAction(int action, ItemInfo info) {
+        QuickstepLauncher launcher = Launcher.cast(Launcher.getLauncher(getContext()));
+        if (action == PIN_PREDICTION) {
+            if (launcher == null || launcher.getHotseatPredictionController() == null) {
+                return false;
+            }
+            HotseatPredictionController controller = launcher.getHotseatPredictionController();
+            controller.pinPrediction(info);
+            return true;
+        }
+        return false;
+    }
+
     @Override
     public void getIconBounds(Rect outBounds) {
         super.getIconBounds(outBounds);

quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/QuickstepLauncher.java

@@ -19,12 +19,9 @@ import static com.android.launcher3.LauncherState.NORMAL;
 import static com.android.launcher3.LauncherState.OVERVIEW;
 import static com.android.quickstep.SysUINavigationMode.Mode.NO_BUTTON;
 
-import android.content.Context;
 import android.content.Intent;
 import android.content.res.Configuration;
-import android.graphics.Rect;
 import android.os.Bundle;
-import android.view.Gravity;
 import android.view.View;
 
 import androidx.annotation.Nullable;
@@ -38,7 +35,6 @@ import com.android.launcher3.WorkspaceItemInfo;
 import com.android.launcher3.anim.AnimatorPlaybackController;
 import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.folder.Folder;
-import com.android.launcher3.graphics.RotationMode;
 import com.android.launcher3.hybridhotseat.HotseatPredictionController;
 import com.android.launcher3.popup.SystemShortcut;
 import com.android.launcher3.uioverrides.touchcontrollers.FlingAndHoldTouchController;
@@ -72,77 +68,6 @@ public class QuickstepLauncher extends BaseQuickstepLauncher {
      */
     public static final AsyncCommand SET_SHELF_HEIGHT = (context, arg1, arg2) ->
             SystemUiProxy.INSTANCE.get(context).setShelfHeight(arg1 != 0, arg2);
-    public static final RotationMode ROTATION_LANDSCAPE = new RotationMode(-90) {
-        @Override
-        public void mapRect(int left, int top, int right, int bottom, Rect out) {
-            out.left = top;
-            out.top = right;
-            out.right = bottom;
-            out.bottom = left;
-        }
-
-        @Override
-        public void mapInsets(Context context, Rect insets, Rect out) {
-            // If there is a display cutout, the top insets in portrait would also include the
-            // cutout, which we will get as the left inset in landscape. Using the max of left and
-            // top allows us to cover both cases (with or without cutout).
-            if (SysUINavigationMode.getMode(context) == NO_BUTTON) {
-                out.top = Math.max(insets.top, insets.left);
-                out.bottom = Math.max(insets.right, insets.bottom);
-                out.left = out.right = 0;
-            } else {
-                out.top = Math.max(insets.top, insets.left);
-                out.bottom = insets.right;
-                out.left = insets.bottom;
-                out.right = 0;
-            }
-        }
-    };
-    public static final RotationMode ROTATION_SEASCAPE = new RotationMode(90) {
-        @Override
-        public void mapRect(int left, int top, int right, int bottom, Rect out) {
-            out.left = bottom;
-            out.top = left;
-            out.right = top;
-            out.bottom = right;
-        }
-
-        @Override
-        public void mapInsets(Context context, Rect insets, Rect out) {
-            if (SysUINavigationMode.getMode(context) == NO_BUTTON) {
-                out.top = Math.max(insets.top, insets.right);
-                out.bottom = Math.max(insets.left, insets.bottom);
-                out.left = out.right = 0;
-            } else {
-                out.top = Math.max(insets.top, insets.right);
-                out.bottom = insets.left;
-                out.right = insets.bottom;
-                out.left = 0;
-            }
-        }
-
-        @Override
-        public int toNaturalGravity(int absoluteGravity) {
-            int horizontalGravity = absoluteGravity & Gravity.HORIZONTAL_GRAVITY_MASK;
-            int verticalGravity = absoluteGravity & Gravity.VERTICAL_GRAVITY_MASK;
-
-            if (horizontalGravity == Gravity.RIGHT) {
-                horizontalGravity = Gravity.LEFT;
-            } else if (horizontalGravity == Gravity.LEFT) {
-                horizontalGravity = Gravity.RIGHT;
-            }
-
-            if (verticalGravity == Gravity.TOP) {
-                verticalGravity = Gravity.BOTTOM;
-            } else if (verticalGravity == Gravity.BOTTOM) {
-                verticalGravity = Gravity.TOP;
-            }
-
-            return ((absoluteGravity & ~Gravity.HORIZONTAL_GRAVITY_MASK)
-                    & ~Gravity.VERTICAL_GRAVITY_MASK)
-                    | horizontalGravity | verticalGravity;
-        }
-    };
     private HotseatPredictionController mHotseatPredictionController;
 
     @Override
@@ -153,12 +78,6 @@ public class QuickstepLauncher extends BaseQuickstepLauncher {
         }
     }
 
-    @Override
-    protected RotationMode getFakeRotationMode(DeviceProfile dp) {
-        return !dp.isVerticalBarLayout() ? RotationMode.NORMAL
-                : (dp.isSeascape() ? ROTATION_SEASCAPE : ROTATION_LANDSCAPE);
-    }
-
     @Override
     public void onConfigurationChanged(Configuration newConfig) {
         super.onConfigurationChanged(newConfig);

quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/RecentsViewStateController.java

@@ -15,6 +15,7 @@
  */
 package com.android.launcher3.uioverrides;
 
+import static com.android.launcher3.LauncherAnimUtils.VIEW_ALPHA;
 import static com.android.launcher3.LauncherState.OVERVIEW_BUTTONS;
 import static com.android.launcher3.anim.Interpolators.AGGRESSIVE_EASE_IN_OUT;
 import static com.android.launcher3.anim.Interpolators.LINEAR;
@@ -91,7 +92,7 @@ public final class RecentsViewStateController extends
 
         View actionsView = mLauncher.getActionsView();
         if (actionsView != null) {
-            propertySetter.setViewAlpha(actionsView, buttonAlpha, actionInterpolator);
+            propertySetter.setFloat(actionsView, VIEW_ALPHA, buttonAlpha, actionInterpolator);
         }
     }
 

quickstep/recents_ui_overrides/src/com/android/quickstep/BaseSwipeUpHandler.java

@@ -46,7 +46,6 @@ import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.anim.AnimationSuccessListener;
 import com.android.launcher3.anim.AnimatorPlaybackController;
-import com.android.launcher3.graphics.RotationMode;
 import com.android.launcher3.model.PagedViewOrientedState;
 import com.android.launcher3.states.RotationHelper;
 import com.android.launcher3.testing.TestProtocol;
@@ -149,8 +148,8 @@ public abstract class BaseSwipeUpHandler<T extends BaseDraggingActivity, Q exten
         VibratorWrapper.INSTANCE.get(mContext).vibrate(OVERVIEW_HAPTIC);
     }
 
-    public Consumer<MotionEvent> getRecentsViewDispatcher(RotationMode navBarRotationMode) {
-        return mRecentsView != null ? mRecentsView.getEventDispatcher(navBarRotationMode) : null;
+    public Consumer<MotionEvent> getRecentsViewDispatcher(float navbarRotation) {
+        return mRecentsView != null ? mRecentsView.getEventDispatcher(navbarRotation) : null;
     }
 
     @UiThread

quickstep/recents_ui_overrides/src/com/android/quickstep/TouchInteractionService.java

@@ -444,9 +444,12 @@ public class TouchInteractionService extends Service implements PluginListener<O
             GestureState newGestureState;
 
             if (mDeviceState.isInSwipeUpTouchRegion(event)) {
+                // Clone the previous gesture state since onConsumerAboutToBeSwitched might trigger
+                // onConsumerInactive and wipe the previous gesture state
+                GestureState prevGestureState = new GestureState(mGestureState);
                 newGestureState = createGestureState();
                 mConsumer.onConsumerAboutToBeSwitched();
-                mConsumer = newConsumer(mGestureState, newGestureState, event);
+                mConsumer = newConsumer(prevGestureState, newGestureState, event);
 
                 ActiveGestureLog.INSTANCE.addLog("setInputConsumer", mConsumer.getType());
                 mUncheckedConsumer = mConsumer;
@@ -678,7 +681,7 @@ public class TouchInteractionService extends Service implements PluginListener<O
      * To be called by the consumer when it's no longer active.
      */
     private void onConsumerInactive(InputConsumer caller) {
-        if (mConsumer == caller) {
+        if (mConsumer != null && mConsumer.isInConsumerHierarchy(caller)) {
             mConsumer = mUncheckedConsumer = mResetGestureInputConsumer;
             mGestureState = new GestureState();
         }

quickstep/recents_ui_overrides/src/com/android/quickstep/inputconsumers/DelegateInputConsumer.java

@@ -29,6 +29,11 @@ public abstract class DelegateInputConsumer implements InputConsumer {
         return mDelegate.isConsumerDetachedFromGesture();
     }
 
+    @Override
+    public boolean isInConsumerHierarchy(InputConsumer candidate) {
+        return this == candidate || mDelegate.isInConsumerHierarchy(candidate);
+    }
+
     @Override
     public boolean allowInterceptByParent() {
         return mDelegate.allowInterceptByParent() && mState != STATE_ACTIVE;

quickstep/recents_ui_overrides/src/com/android/quickstep/inputconsumers/OtherActivityInputConsumer.java

@@ -182,7 +182,7 @@ public class OtherActivityInputConsumer extends ContextWrapper implements InputC
         if (mPassedWindowMoveSlop && mInteractionHandler != null
                 && !mRecentsViewDispatcher.hasConsumer()) {
             mRecentsViewDispatcher.setConsumer(mInteractionHandler
-                .getRecentsViewDispatcher(mNavBarPosition.getRotationMode()));
+                    .getRecentsViewDispatcher(mNavBarPosition.getRotation()));
         }
         int edgeFlags = ev.getEdgeFlags();
         ev.setEdgeFlags(edgeFlags | EDGE_NAV_BAR);

quickstep/recents_ui_overrides/src/com/android/quickstep/views/LauncherRecentsView.java

@@ -42,7 +42,6 @@ import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.Hotseat;
 import com.android.launcher3.LauncherState;
 import com.android.launcher3.LauncherStateManager.StateListener;
-import com.android.launcher3.R;
 import com.android.launcher3.anim.Interpolators;
 import com.android.launcher3.appprediction.PredictionUiStateManager;
 import com.android.launcher3.appprediction.PredictionUiStateManager.Client;
@@ -172,7 +171,7 @@ public class LauncherRecentsView extends RecentsView<BaseQuickstepLauncher>
                 mActivity.getAllAppsController(), ALL_APPS_PROGRESS, allAppsProgressOffscreen));
 
         ObjectAnimator dragHandleAnim = ObjectAnimator.ofInt(
-                mActivity.findViewById(R.id.scrim_view), ScrimView.DRAG_HANDLE_ALPHA, 0);
+                mActivity.getScrimView(), ScrimView.DRAG_HANDLE_ALPHA, 0);
         dragHandleAnim.setInterpolator(Interpolators.ACCEL_2);
         anim.play(dragHandleAnim);
 

quickstep/recents_ui_overrides/src/com/android/quickstep/views/RecentsView.java

@@ -71,6 +71,7 @@ import android.view.HapticFeedbackConstants;
 import android.view.KeyEvent;
 import android.view.LayoutInflater;
 import android.view.MotionEvent;
+import android.view.OrientationEventListener;
 import android.view.View;
 import android.view.ViewDebug;
 import android.view.ViewGroup;
@@ -90,6 +91,7 @@ import com.android.launcher3.LauncherState;
 import com.android.launcher3.PagedView;
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
+import com.android.launcher3.anim.AnimationSuccessListener;
 import com.android.launcher3.anim.AnimatorPlaybackController;
 import com.android.launcher3.anim.PendingAnimation;
 import com.android.launcher3.anim.PendingAnimation.EndState;
@@ -97,9 +99,9 @@ import com.android.launcher3.anim.PropertyListBuilder;
 import com.android.launcher3.anim.SpringProperty;
 import com.android.launcher3.compat.AccessibilityManagerCompat;
 import com.android.launcher3.config.FeatureFlags;
-import com.android.launcher3.graphics.RotationMode;
 import com.android.launcher3.statehandlers.DepthController;
 import com.android.launcher3.states.RotationHelper;
+import com.android.launcher3.testing.TestProtocol;
 import com.android.launcher3.touch.PagedOrientationHandler.CurveProperties;
 import com.android.launcher3.userevent.nano.LauncherLogProto;
 import com.android.launcher3.userevent.nano.LauncherLogProto.Action.Direction;
@@ -169,6 +171,7 @@ public abstract class RecentsView<T extends BaseActivity> extends PagedView impl
                 }
             };
 
+    private OrientationEventListener mOrientationListener;
     private int mPreviousRotation;
     protected RecentsAnimationController mRecentsAnimationController;
     protected RecentsAnimationTargets mRecentsAnimationTargets;
@@ -376,6 +379,22 @@ public abstract class RecentsView<T extends BaseActivity> extends PagedView impl
 
         // Initialize quickstep specific cache params here, as this is constructed only once
         mActivity.getViewCache().setCacheSize(R.layout.digital_wellbeing_toast, 5);
+
+        mOrientationListener = new OrientationEventListener(getContext()) {
+            @Override
+            public void onOrientationChanged(int i) {
+                int rotation = RotationHelper.getRotationFromDegrees(i);
+                if (mPreviousRotation != rotation) {
+                    animateRecentsRotationInPlace(rotation);
+                    if (rotation == 0) {
+                        showActionsView();
+                    } else {
+                        hideActionsView();
+                    }
+                    mPreviousRotation = rotation;
+                }
+            }
+        };
     }
 
     public OverScroller getScroller() {
@@ -504,6 +523,15 @@ public abstract class RecentsView<T extends BaseActivity> extends PagedView impl
     }
 
     public void setOverviewStateEnabled(boolean enabled) {
+        if (supportsVerticalLandscape()
+                && !TestProtocol.sDisableSensorRotation // Ignore hardware dependency for tests
+                && mOrientationListener.canDetectOrientation()) {
+            if (enabled) {
+                mOrientationListener.enable();
+            } else {
+                mOrientationListener.disable();
+            }
+        }
         mOverviewStateEnabled = enabled;
         updateTaskStackListenerState();
         if (!enabled) {
@@ -784,23 +812,14 @@ public abstract class RecentsView<T extends BaseActivity> extends PagedView impl
         if (getPageCount() == 0 || getPageAt(0).getMeasuredWidth() == 0) {
             return;
         }
-        CurveProperties curveProperties = mOrientationHandler
-            .getCurveProperties(this, mInsets);
-        int scroll = curveProperties.scroll;
-        final int halfPageSize = curveProperties.halfPageSize;
-        final int screenCenter = curveProperties.screenCenter;
-        final int halfScreenSize = curveProperties.halfScreenSize;
-        final int pageSpacing = mPageSpacing;
-        mScrollState.scrollFromEdge = mIsRtl ? scroll : (mMaxScroll - scroll);
+        mOrientationHandler.getCurveProperties(this, mInsets, mScrollState);
+        mScrollState.scrollFromEdge =
+                mIsRtl ? mScrollState.scroll : (mMaxScroll - mScrollState.scroll);
 
         final int pageCount = getPageCount();
         for (int i = 0; i < pageCount; i++) {
             View page = getPageAt(i);
-            float pageCenter = mOrientationHandler.getViewCenterPosition(page) + halfPageSize;
-            float distanceFromScreenCenter = screenCenter - pageCenter;
-            float distanceToReachEdge = halfScreenSize + halfPageSize + pageSpacing;
-            mScrollState.linearInterpolation = Math.min(1,
-                    Math.abs(distanceFromScreenCenter) / distanceToReachEdge);
+            mScrollState.updateInterpolation(mOrientationHandler.getChildStart(page), mPageSpacing);
             ((PageCallbacks) page).onPageScroll(mScrollState);
         }
     }
@@ -947,6 +966,35 @@ public abstract class RecentsView<T extends BaseActivity> extends PagedView impl
         setSwipeDownShouldLaunchApp(true);
     }
 
+    private void animateRecentsRotationInPlace(int newRotation) {
+        if (!supportsVerticalLandscape()) {
+            return;
+        }
+
+        AnimatorSet pa = setRecentsChangedOrientation(true);
+        pa.addListener(AnimationSuccessListener.forRunnable(() -> {
+            updateLayoutRotation(newRotation);
+            mActivity.getDragLayer().recreateControllers();
+            rotateAllChildTasks();
+            setRecentsChangedOrientation(false).start();
+        }));
+        pa.start();
+    }
+
+    public AnimatorSet setRecentsChangedOrientation(boolean fadeInChildren) {
+        getRunningTaskIndex();
+        int runningIndex = getCurrentPage();
+        AnimatorSet as = new AnimatorSet();
+        for (int i = 0; i < getTaskViewCount(); i++) {
+            if (runningIndex == i) {
+                continue;
+            }
+            View taskView = getTaskViewAt(i);
+            as.play(ObjectAnimator.ofFloat(taskView, View.ALPHA, fadeInChildren ? 0 : 1));
+        }
+        return as;
+    }
+
     abstract protected boolean supportsVerticalLandscape();
 
     private void rotateAllChildTasks() {
@@ -1143,7 +1191,7 @@ public abstract class RecentsView<T extends BaseActivity> extends PagedView impl
         default void onPageScroll(ScrollState scrollState) {}
     }
 
-    public static class ScrollState {
+    public static class ScrollState extends CurveProperties {
 
         /**
          * The progress from 0 to 1, where 0 is the center
@@ -1155,6 +1203,17 @@ public abstract class RecentsView<T extends BaseActivity> extends PagedView impl
          * The amount by which all the content is scrolled relative to the end of the list.
          */
         public float scrollFromEdge;
+
+        /**
+         * Updates linearInterpolation for the provided child position
+         */
+        public void updateInterpolation(int childStart, int pageSpacing) {
+            float pageCenter = childStart + halfPageSize;
+            float distanceFromScreenCenter = screenCenter - pageCenter;
+            float distanceToReachEdge = halfScreenSize + halfPageSize + pageSpacing;
+            linearInterpolation = Math.min(1,
+                    Math.abs(distanceFromScreenCenter) / distanceToReachEdge);
+        }
     }
 
     public void setIgnoreResetTask(int taskId) {
@@ -1924,13 +1983,13 @@ public abstract class RecentsView<T extends BaseActivity> extends PagedView impl
         return offsetX;
     }
 
-    public Consumer<MotionEvent> getEventDispatcher(RotationMode navBarRotationMode) {
+    public Consumer<MotionEvent> getEventDispatcher(float navbarRotation) {
         float degreesRotated;
-        if (navBarRotationMode == RotationMode.NORMAL) {
+        if (navbarRotation == 0) {
             degreesRotated = mOrientationState.areMultipleLayoutOrientationsDisabled() ? 0 :
                     RotationHelper.getDegreesFromRotation(mLayoutRotation);
         } else {
-            degreesRotated = -navBarRotationMode.surfaceRotation;
+            degreesRotated = -navbarRotation;
         }
         if (degreesRotated == 0) {
             return super::onTouchEvent;
@@ -1940,7 +1999,7 @@ public abstract class RecentsView<T extends BaseActivity> extends PagedView impl
         // undo that transformation since PagedView also accommodates for the transformation via
         // PagedOrientationHandler
         return e -> {
-            if (navBarRotationMode != RotationMode.NORMAL
+            if (navbarRotation != 0
                     && !mOrientationState.areMultipleLayoutOrientationsDisabled()) {
                 RotationHelper.transformEventForNavBar(e, true);
                 super.onTouchEvent(e);

quickstep/res/values/dimens.xml

@@ -66,9 +66,6 @@
        docked_stack_divider_thickness - 2 * docked_stack_divider_insets -->
     <dimen name="multi_window_task_divider_size">10dp</dimen>
 
-    <!-- same as vertical_drag_handle_size -->
-    <dimen name="shelf_surface_offset">24dp</dimen>
-
     <!-- Assistant Gestures -->
     <!-- Distance from the vertical edges of the screen in which assist gestures are recognized -->
     <dimen name="gestures_assistant_width">48dp</dimen>

quickstep/res/values/strings.xml

@@ -90,6 +90,9 @@
     <!-- tip shown if user declines migration and has some open spots for prediction -->
     <string name="hotseat_tip_gaps_filled">App suggestions added to empty space</string>
 
+    <!-- content description for hotseat items -->
+    <string name="hotseat_prediction_content_description">Predicted app: <xliff:g id="title" example="Chrome">%1$s</xliff:g></string>
+
     <!-- Title shown during interactive part of Back gesture tutorial for right edge. [CHAR LIMIT=30] -->
     <string name="back_gesture_tutorial_playground_title_swipe_inward_right_edge" translatable="false">Try the back gesture</string>
     <!-- Subtitle shown during interactive parts of Back gesture tutorial for right edge. [CHAR LIMIT=60] -->

quickstep/src/com/android/launcher3/BaseQuickstepLauncher.java

@@ -88,9 +88,7 @@ public abstract class BaseQuickstepLauncher extends Launcher
         super.onCreate(savedInstanceState);
         mSystemActions = new SystemActions(this);
 
-        SysUINavigationMode.Mode mode = SysUINavigationMode.INSTANCE.get(this)
-                .addModeChangeListener(this);
-        getRotationHelper().setRotationHadDifferentUI(mode != Mode.NO_BUTTON);
+        SysUINavigationMode.INSTANCE.get(this).addModeChangeListener(this);
 
         if (!getSharedPrefs().getBoolean(HOME_BOUNCE_SEEN, false)) {
             getStateManager().addStateListener(new LauncherStateManager.StateListener() {
@@ -141,7 +139,6 @@ public abstract class BaseQuickstepLauncher extends Launcher
     @Override
     public void onNavigationModeChanged(Mode newMode) {
         getDragLayer().recreateControllers();
-        getRotationHelper().setRotationHadDifferentUI(newMode != Mode.NO_BUTTON);
     }
 
     @Override

quickstep/src/com/android/quickstep/GestureState.java

@@ -130,6 +130,17 @@ public class GestureState implements RecentsAnimationCallbacks.RecentsAnimationL
         mGestureId = gestureId;
     }
 
+    public GestureState(GestureState other) {
+        mHomeIntent = other.mHomeIntent;
+        mOverviewIntent = other.mOverviewIntent;
+        mActivityInterface = other.mActivityInterface;
+        mStateCallback = other.mStateCallback;
+        mGestureId = other.mGestureId;
+        mRunningTask = other.mRunningTask;
+        mEndTarget = other.mEndTarget;
+        mFinishingRecentsAnimationTaskId = other.mFinishingRecentsAnimationTaskId;
+    }
+
     public GestureState() {
         // Do nothing, only used for initializing the gesture state prior to user unlock
         mHomeIntent = new Intent();

quickstep/src/com/android/quickstep/InputConsumer.java

@@ -69,6 +69,13 @@ public interface InputConsumer {
         return false;
     }
 
+    /**
+     * Returns true if the given input consumer is in the hierarchy of this input consumer.
+     */
+    default boolean isInConsumerHierarchy(InputConsumer candidate) {
+        return this == candidate;
+    }
+
     /**
      * Called by the event queue when the consumer is about to be switched to a new consumer.
      * Consumers should update the state accordingly here before the state is passed to the new

quickstep/src/com/android/quickstep/interaction/BackGestureTutorialFragment.java

@@ -107,11 +107,11 @@ public class BackGestureTutorialFragment extends Fragment implements BackGesture
     }
 
     void onAttachedToWindow() {
-        mEdgeBackGestureHandler.setIsEnabled(true);
+        mEdgeBackGestureHandler.setViewGroupParent((ViewGroup) getRootView());
     }
 
     void onDetachedFromWindow() {
-        mEdgeBackGestureHandler.setIsEnabled(false);
+        mEdgeBackGestureHandler.setViewGroupParent(null);
     }
 
     @Override

quickstep/src/com/android/quickstep/interaction/EdgeBackGestureHandler.java

@@ -17,21 +17,18 @@ package com.android.quickstep.interaction;
 
 import android.content.Context;
 import android.content.res.Resources;
-import android.graphics.PixelFormat;
 import android.graphics.Point;
 import android.graphics.PointF;
-import android.hardware.display.DisplayManager;
-import android.hardware.display.DisplayManager.DisplayListener;
-import android.os.Handler;
-import android.os.Looper;
 import android.os.SystemProperties;
 import android.view.Display;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.View.OnTouchListener;
 import android.view.ViewConfiguration;
-import android.view.WindowManager;
-import android.view.WindowManager.LayoutParams;
+import android.view.ViewGroup;
+import android.view.ViewGroup.LayoutParams;
+
+import androidx.annotation.Nullable;
 
 import com.android.launcher3.ResourceUtils;
 
@@ -40,7 +37,7 @@ import com.android.launcher3.ResourceUtils;
  *
  * Forked from platform/frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/phone/EdgeBackGestureHandler.java.
  */
-public class EdgeBackGestureHandler implements DisplayListener, OnTouchListener {
+public class EdgeBackGestureHandler implements OnTouchListener {
 
     private static final String TAG = "EdgeBackGestureHandler";
     private static final int MAX_LONG_PRESS_TIMEOUT = SystemProperties.getInt(
@@ -106,29 +103,22 @@ public class EdgeBackGestureHandler implements DisplayListener, OnTouchListener
         mEdgeWidth = ResourceUtils.getNavbarSize("config_backGestureInset", res);
     }
 
-    void setIsEnabled(boolean isEnabled) {
-        if (isEnabled == mIsEnabled) {
-            return;
-        }
-        mIsEnabled = isEnabled;
+    void setViewGroupParent(@Nullable ViewGroup parent) {
+        mIsEnabled = parent != null;
 
         if (mEdgeBackPanel != null) {
             mEdgeBackPanel.onDestroy();
             mEdgeBackPanel = null;
         }
 
-        if (!mIsEnabled) {
-            mContext.getSystemService(DisplayManager.class).unregisterDisplayListener(this);
-        } else {
-            updateDisplaySize();
-            mContext.getSystemService(DisplayManager.class).registerDisplayListener(this,
-                    new Handler(Looper.getMainLooper()));
-
+        if (mIsEnabled) {
             // Add a nav bar panel window.
-            mEdgeBackPanel = new EdgeBackGesturePanel(mContext);
+            mEdgeBackPanel = new EdgeBackGesturePanel(mContext, parent, createLayoutParams());
             mEdgeBackPanel.setBackCallback(mBackCallback);
-            mEdgeBackPanel.setLayoutParams(createLayoutParams());
-            updateDisplaySize();
+            if (mContext.getDisplay() != null) {
+                mContext.getDisplay().getRealSize(mDisplaySize);
+                mEdgeBackPanel.setDisplaySize(mDisplaySize);
+            }
         }
     }
 
@@ -136,21 +126,11 @@ public class EdgeBackGestureHandler implements DisplayListener, OnTouchListener
         mGestureCallback = callback;
     }
 
-    private WindowManager.LayoutParams createLayoutParams() {
+    private LayoutParams createLayoutParams() {
         Resources resources = mContext.getResources();
-        WindowManager.LayoutParams layoutParams = new WindowManager.LayoutParams(
+        return new LayoutParams(
                 ResourceUtils.getNavbarSize("navigation_edge_panel_width", resources),
-                ResourceUtils.getNavbarSize("navigation_edge_panel_height", resources),
-                LayoutParams.TYPE_APPLICATION_PANEL,
-                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
-                        | WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL
-                        | WindowManager.LayoutParams.FLAG_SPLIT_TOUCH
-                        | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN,
-                PixelFormat.TRANSLUCENT);
-        layoutParams.setTitle(TAG + mDisplayId);
-        layoutParams.windowAnimations = 0;
-        layoutParams.setFitInsetsTypes(0 /* types */);
-        return layoutParams;
+                ResourceUtils.getNavbarSize("navigation_edge_panel_height", resources));
     }
 
     @Override
@@ -232,26 +212,6 @@ public class EdgeBackGestureHandler implements DisplayListener, OnTouchListener
         }
     }
 
-    @Override
-    public void onDisplayAdded(int displayId) { }
-
-    @Override
-    public void onDisplayRemoved(int displayId) { }
-
-    @Override
-    public void onDisplayChanged(int displayId) {
-        if (displayId == mDisplayId) {
-            updateDisplaySize();
-        }
-    }
-
-    private void updateDisplaySize() {
-        mContext.getDisplay().getRealSize(mDisplaySize);
-        if (mEdgeBackPanel != null) {
-            mEdgeBackPanel.setDisplaySize(mDisplaySize);
-        }
-    }
-
     void setInsets(int leftInset, int rightInset) {
         mLeftInset = leftInset;
         mRightInset = rightInset;

quickstep/src/com/android/quickstep/interaction/EdgeBackGesturePanel.java

@@ -26,11 +26,11 @@ import android.graphics.Paint;
 import android.graphics.Path;
 import android.graphics.Point;
 import android.os.SystemClock;
-import android.view.Gravity;
 import android.view.MotionEvent;
 import android.view.VelocityTracker;
 import android.view.View;
-import android.view.WindowManager;
+import android.view.ViewGroup;
+import android.view.ViewGroup.LayoutParams;
 import android.view.animation.Interpolator;
 import android.view.animation.PathInterpolator;
 
@@ -110,7 +110,6 @@ public class EdgeBackGesturePanel extends View {
     private static final Interpolator RUBBER_BAND_INTERPOLATOR_APPEAR =
             new PathInterpolator(1.0f / RUBBER_BAND_AMOUNT_APPEAR, 1.0f, 1.0f, 1.0f);
 
-    private final WindowManager mWindowManager;
     private BackCallback mBackCallback;
 
     /**
@@ -147,7 +146,6 @@ public class EdgeBackGesturePanel extends View {
 
     private VelocityTracker mVelocityTracker;
     private int mArrowPaddingEnd;
-    private WindowManager.LayoutParams mLayoutParams;
 
     /**
      * True if the panel is currently on the left of the screen
@@ -232,11 +230,9 @@ public class EdgeBackGesturePanel extends View {
                 }
             };
 
-    public EdgeBackGesturePanel(Context context) {
+    public EdgeBackGesturePanel(Context context, ViewGroup parent, LayoutParams layoutParams) {
         super(context);
 
-        mWindowManager = context.getSystemService(WindowManager.class);
-
         mDensity = context.getResources().getDisplayMetrics().density;
 
         mBaseTranslation = dp(BASE_TRANSLATION_DP);
@@ -290,11 +286,15 @@ public class EdgeBackGesturePanel extends View {
 
         mSwipeThreshold = ResourceUtils.getDimenByName(
             "navigation_edge_action_drag_threshold", context.getResources(), 16 /* defaultValue */);
+        parent.addView(this, layoutParams);
         setVisibility(GONE);
     }
 
     void onDestroy() {
-        mWindowManager.removeView(this);
+        ViewGroup parent = (ViewGroup) getParent();
+        if (parent != null) {
+            parent.removeView(this);
+        }
     }
 
     @Override
@@ -305,9 +305,6 @@ public class EdgeBackGesturePanel extends View {
     @SuppressLint("RtlHardcoded")
     void setIsLeftPanel(boolean isLeftPanel) {
         mIsLeftPanel = isLeftPanel;
-        mLayoutParams.gravity = mIsLeftPanel
-                ? (Gravity.LEFT | Gravity.TOP)
-                : (Gravity.RIGHT | Gravity.TOP);
     }
 
     boolean getIsLeftPanel() {
@@ -323,11 +320,6 @@ public class EdgeBackGesturePanel extends View {
         mBackCallback = callback;
     }
 
-    void setLayoutParams(WindowManager.LayoutParams layoutParams) {
-        mLayoutParams = layoutParams;
-        mWindowManager.addView(this, mLayoutParams);
-    }
-
     private float getCurrentAngle() {
         return mCurrentAngle;
     }
@@ -349,7 +341,6 @@ public class EdgeBackGesturePanel extends View {
                 mStartY = event.getY();
                 setVisibility(VISIBLE);
                 updatePosition(event.getY());
-                mWindowManager.updateViewLayout(this, mLayoutParams);
                 break;
             case MotionEvent.ACTION_MOVE:
                 handleMoveEvent(event);
@@ -614,10 +605,11 @@ public class EdgeBackGesturePanel extends View {
     }
 
     private void updatePosition(float touchY) {
-        float position = touchY - mFingerOffset;
-        position = Math.max(position, mMinArrowPosition);
-        position -= mLayoutParams.height / 2.0f;
-        mLayoutParams.y = MathUtils.clamp((int) position, 0, mDisplaySize.y);
+        float positionY = touchY - mFingerOffset;
+        positionY = Math.max(positionY, mMinArrowPosition);
+        positionY -= getLayoutParams().height / 2.0f;
+        setX(mIsLeftPanel ? 0 : mDisplaySize.x - getLayoutParams().width);
+        setY(MathUtils.clamp((int) positionY, 0, mDisplaySize.y));
     }
 
     private void setDesiredVerticalTransition(float verticalTranslation, boolean animated) {

quickstep/src/com/android/quickstep/util/LayoutUtils.java

@@ -33,9 +33,6 @@ import com.android.quickstep.SysUINavigationMode;
 
 import java.lang.annotation.Retention;
 
-import static com.android.launcher3.config.FeatureFlags.ENABLE_OVERVIEW_ACTIONS;
-import static java.lang.annotation.RetentionPolicy.SOURCE;
-
 public class LayoutUtils {
 
     private static final int MULTI_WINDOW_STRATEGY_HALF_SCREEN = 1;
@@ -68,7 +65,7 @@ public class LayoutUtils {
                 // UI when shown.
                 extraSpace = 0;
             } else {
-                extraSpace = getDefaultSwipeHeight(context, dp) + dp.verticalDragHandleSizePx
+                extraSpace = getDefaultSwipeHeight(context, dp) + dp.workspacePageIndicatorHeight
                         + res.getDimensionPixelSize(
                                 R.dimen.dynamic_grid_hotseat_extra_vertical_size)
                         + res.getDimensionPixelSize(R.dimen.dynamic_grid_hotseat_bottom_padding);

quickstep/src/com/android/quickstep/util/NavBarPosition.java

@@ -17,12 +17,8 @@ package com.android.quickstep.util;
 
 import static com.android.quickstep.SysUINavigationMode.Mode.NO_BUTTON;
 
-import android.content.Context;
-import android.graphics.Rect;
-import android.view.Gravity;
 import android.view.Surface;
 
-import com.android.launcher3.graphics.RotationMode;
 import com.android.launcher3.util.DefaultDisplay;
 import com.android.quickstep.SysUINavigationMode;
 
@@ -31,79 +27,6 @@ import com.android.quickstep.SysUINavigationMode;
  */
 public class NavBarPosition {
 
-    public static final RotationMode ROTATION_LANDSCAPE = new RotationMode(-90) {
-        @Override
-        public void mapRect(int left, int top, int right, int bottom, Rect out) {
-            out.left = top;
-            out.top = right;
-            out.right = bottom;
-            out.bottom = left;
-        }
-
-        @Override
-        public void mapInsets(Context context, Rect insets, Rect out) {
-            // If there is a display cutout, the top insets in portrait would also include the
-            // cutout, which we will get as the left inset in landscape. Using the max of left and
-            // top allows us to cover both cases (with or without cutout).
-            if (SysUINavigationMode.getMode(context) == NO_BUTTON) {
-                out.top = Math.max(insets.top, insets.left);
-                out.bottom = Math.max(insets.right, insets.bottom);
-                out.left = out.right = 0;
-            } else {
-                out.top = Math.max(insets.top, insets.left);
-                out.bottom = insets.right;
-                out.left = insets.bottom;
-                out.right = 0;
-            }
-        }
-    };
-
-    public static final RotationMode ROTATION_SEASCAPE = new RotationMode(90) {
-        @Override
-        public void mapRect(int left, int top, int right, int bottom, Rect out) {
-            out.left = bottom;
-            out.top = left;
-            out.right = top;
-            out.bottom = right;
-        }
-
-        @Override
-        public void mapInsets(Context context, Rect insets, Rect out) {
-            if (SysUINavigationMode.getMode(context) == NO_BUTTON) {
-                out.top = Math.max(insets.top, insets.right);
-                out.bottom = Math.max(insets.left, insets.bottom);
-                out.left = out.right = 0;
-            } else {
-                out.top = Math.max(insets.top, insets.right);
-                out.bottom = insets.left;
-                out.right = insets.bottom;
-                out.left = 0;
-            }
-        }
-
-        @Override
-        public int toNaturalGravity(int absoluteGravity) {
-            int horizontalGravity = absoluteGravity & Gravity.HORIZONTAL_GRAVITY_MASK;
-            int verticalGravity = absoluteGravity & Gravity.VERTICAL_GRAVITY_MASK;
-
-            if (horizontalGravity == Gravity.RIGHT) {
-                horizontalGravity = Gravity.LEFT;
-            } else if (horizontalGravity == Gravity.LEFT) {
-                horizontalGravity = Gravity.RIGHT;
-            }
-
-            if (verticalGravity == Gravity.TOP) {
-                verticalGravity = Gravity.BOTTOM;
-            } else if (verticalGravity == Gravity.BOTTOM) {
-                verticalGravity = Gravity.TOP;
-            }
-
-            return ((absoluteGravity & ~Gravity.HORIZONTAL_GRAVITY_MASK)
-                    & ~Gravity.VERTICAL_GRAVITY_MASK)
-                    | horizontalGravity | verticalGravity;
-        }
-    };
-
     private final SysUINavigationMode.Mode mMode;
     private final int mDisplayRotation;
 
@@ -120,8 +43,7 @@ public class NavBarPosition {
         return mMode != NO_BUTTON && mDisplayRotation == Surface.ROTATION_270;
     }
 
-    public RotationMode getRotationMode() {
-        return isLeftEdge() ? ROTATION_SEASCAPE
-                : (isRightEdge() ? ROTATION_LANDSCAPE : RotationMode.NORMAL);
+    public float getRotation() {
+        return isLeftEdge() ? 90 : (isRightEdge() ? -90 : 0);
     }
 }

quickstep/src/com/android/quickstep/views/ShelfScrimView.java

@@ -88,7 +88,6 @@ public class ShelfScrimView extends ScrimView<BaseQuickstepLauncher>
 
     private float mShiftRange;
 
-    private final float mShelfOffset;
     private float mTopOffset;
     private float mShelfTop;
     private float mShelfTopAtThreshold;
@@ -110,7 +109,6 @@ public class ShelfScrimView extends ScrimView<BaseQuickstepLauncher>
         mRadius = BOTTOM_CORNER_RADIUS_RATIO * Themes.getDialogCornerRadius(context);
         mPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
 
-        mShelfOffset = context.getResources().getDimension(R.dimen.shelf_surface_offset);
         // Just assume the easiest UI for now, until we have the proper layout information.
         mDrawingFlatColor = true;
     }
@@ -179,7 +177,7 @@ public class ShelfScrimView extends ScrimView<BaseQuickstepLauncher>
                         Math.min(hotseatSize, LayoutUtils.getDefaultSwipeHeight(context, dp));
                 mDragHandleProgress =  1 - (dragHandleTop / mShiftRange);
             }
-            mTopOffset = dp.getInsets().top - mShelfOffset;
+            mTopOffset = dp.getInsets().top - mDragHandleSize.y;
             mShelfTopAtThreshold = mShiftRange * SCRIM_CATCHUP_THRESHOLD + mTopOffset;
         }
         updateColors();
@@ -190,12 +188,15 @@ public class ShelfScrimView extends ScrimView<BaseQuickstepLauncher>
     @Override
     public void updateColors() {
         super.updateColors();
+        mDragHandleOffset = 0;
         if (mDrawingFlatColor) {
-            mDragHandleOffset = 0;
             return;
         }
 
-        mDragHandleOffset = mShelfOffset - mDragHandleSize;
+        if (mProgress < mDragHandleProgress) {
+            mDragHandleOffset = mShiftRange * (mDragHandleProgress - mProgress);
+        }
+
         if (mProgress >= SCRIM_CATCHUP_THRESHOLD) {
             mShelfTop = mShiftRange * mProgress + mTopOffset;
         } else {
@@ -231,10 +232,6 @@ public class ShelfScrimView extends ScrimView<BaseQuickstepLauncher>
                             (float) 0, LINEAR));
             mRemainingScreenColor = setColorAlphaBound(mScrimColor, remainingScrimAlpha);
         }
-
-        if (mProgress < mDragHandleProgress) {
-            mDragHandleOffset += mShiftRange * (mDragHandleProgress - mProgress);
-        }
     }
 
     @Override
@@ -290,4 +287,9 @@ public class ShelfScrimView extends ScrimView<BaseQuickstepLauncher>
         mPaint.setColor(mShelfColor);
         canvas.drawRoundRect(0, mShelfTop, width, height + mRadius, mRadius, mRadius, mPaint);
     }
+
+    @Override
+    public float getVisualTop() {
+        return mShelfTop;
+    }
 }

res/drawable-v24/drag_handle_indicator_shadow.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2020 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.
+-->
+<com.android.launcher3.graphics.ShadowDrawable
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:src="@drawable/drag_handle_indicator_no_shadow"
+    android:elevation="@dimen/vertical_drag_handle_elevation" />

res/drawable/drag_handle_indicator.xml

@@ -1,40 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2017 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.
--->
-
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="@dimen/vertical_drag_handle_size"
-    android:height="@dimen/vertical_drag_handle_size"
-    android:viewportWidth="36.0"
-    android:viewportHeight="36.0" >
-
-    <group
-        android:translateX="11.5"
-        android:translateY="11.5">
-        <path
-            android:pathData="M2 8.5L6.5 4L11 8.5"
-            android:strokeColor="?attr/workspaceAmbientShadowColor"
-            android:strokeWidth="3.6"
-            android:strokeLineCap="round"
-            android:strokeLineJoin="round" />
-
-        <path
-            android:pathData="M2 8.5L6.5 4L11 8.5"
-            android:strokeColor="?attr/workspaceTextColor"
-            android:strokeWidth="1.8"
-            android:strokeLineCap="round"
-            android:strokeLineJoin="round" />
-        </group>
-</vector>

res/drawable/drag_handle_indicator_no_shadow.xml

@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2020 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.
+-->
+
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="@dimen/vertical_drag_handle_width"
+    android:height="@dimen/vertical_drag_handle_height"
+    android:viewportWidth="18.0"
+    android:viewportHeight="6.0"
+    android:tint="?attr/workspaceTextColor" >
+
+    <path
+        android:pathData="M17,6c-0.15,0-0.3-0.03-0.45-0.11L9,2.12L1.45,5.89c-0.5,0.25-1.09,
+        0.05-1.34-0.45S0.06,4.35,0.55,4.11l8-4c0.28-0.14,0.61-0.14,0.89,0l8,4c0.49,0.25,0.69,
+        0.85,0.45,1.34C17.72,5.8,17.37,6,17,6z"
+        android:fillColor="@android:color/white" />
+</vector>

res/layout/launcher.xml

@@ -57,7 +57,7 @@
         <com.android.launcher3.pageindicators.WorkspacePageIndicator
             android:id="@+id/page_indicator"
             android:layout_width="match_parent"
-            android:layout_height="@dimen/vertical_drag_handle_size"
+            android:layout_height="@dimen/workspace_page_indicator_height"
             android:layout_gravity="bottom|center_horizontal"
             android:theme="@style/HomeScreenElementTheme" />
 

res/values/config.xml

@@ -109,6 +109,7 @@
     <item type="id" name="action_dismiss_notification" />
     <item type="id" name="action_remote_action_shortcut" />
     <item type="id" name="action_dismiss_prediction" />
+    <item type="id" name="action_pin_prediction"/>
 
     <!-- QSB IDs. DO not change -->
     <item type="id" name="search_container_workspace" />

res/values/dimens.xml

@@ -20,7 +20,6 @@
 
     <!-- Dynamic Grid -->
     <dimen name="dynamic_grid_edge_margin">8dp</dimen>
-    <dimen name="dynamic_grid_page_indicator_line_height">1dp</dimen>
     <dimen name="dynamic_grid_icon_drawable_padding">8dp</dimen>
     <!-- Minimum space between workspace and hotseat in spring loaded mode -->
     <dimen name="dynamic_grid_min_spring_loaded_space">8dp</dimen>
@@ -36,10 +35,18 @@
     <dimen name="dynamic_grid_hotseat_extra_vertical_size">34dp</dimen>
     <dimen name="dynamic_grid_hotseat_side_padding">0dp</dimen>
 
+    <!-- Workspace page indicator -->
+    <dimen name="workspace_page_indicator_height">24dp</dimen>
+    <dimen name="workspace_page_indicator_line_height">1dp</dimen>
+    <dimen name="workspace_page_indicator_overlap_workspace">0dp</dimen>
+
     <!-- Hotseat/all-apps scrim -->
     <dimen name="all_apps_scrim_blur">4dp</dimen>
-    <dimen name="vertical_drag_handle_size">24dp</dimen>
-    <dimen name="vertical_drag_handle_overlap_workspace">0dp</dimen>
+    <dimen name="vertical_drag_handle_width">18dp</dimen>
+    <dimen name="vertical_drag_handle_height">6dp</dimen>
+    <dimen name="vertical_drag_handle_elevation">1dp</dimen>
+    <dimen name="vertical_drag_handle_touch_size">48dp</dimen>
+    <dimen name="vertical_drag_handle_padding_in_vertical_bar_layout">16dp</dimen>
 
 <!-- Drop target bar -->
     <dimen name="dynamic_grid_drop_target_size">48dp</dimen>

res/values/drawables.xml

@@ -18,4 +18,5 @@
     <drawable name="ic_remove_shadow">@drawable/ic_remove_no_shadow</drawable>
     <drawable name="ic_uninstall_shadow">@drawable/ic_uninstall_no_shadow</drawable>
     <drawable name="ic_block_shadow">@drawable/ic_block_no_shadow</drawable>
+    <drawable name="all_apps_arrow_shadow">@drawable/drag_handle_indicator_no_shadow</drawable>
 </resources>

robolectric_tests/src/com/android/launcher3/model/DefaultLayoutProviderTest.java

@@ -30,11 +30,8 @@ import android.content.pm.PackageInstaller.SessionParams;
 
 import com.android.launcher3.FolderInfo;
 import com.android.launcher3.ItemInfo;
-import com.android.launcher3.LauncherAppState;
 import com.android.launcher3.LauncherSettings;
 import com.android.launcher3.icons.BitmapInfo;
-import com.android.launcher3.model.BgDataModel.Callbacks;
-import com.android.launcher3.util.Executors;
 import com.android.launcher3.util.LauncherLayoutBuilder;
 import com.android.launcher3.util.LauncherModelHelper;
 import com.android.launcher3.util.LauncherRoboTestRunner;
@@ -46,8 +43,6 @@ import org.robolectric.RuntimeEnvironment;
 import org.robolectric.annotation.LooperMode;
 import org.robolectric.annotation.LooperMode.Mode;
 
-import java.util.ArrayList;
-
 /**
  * Tests for layout parser for remote layout
  */
@@ -120,18 +115,6 @@ public class DefaultLayoutProviderTest {
     }
 
     private void writeLayoutAndLoad(LauncherLayoutBuilder builder) throws Exception {
-        mModelHelper.setupDefaultLayoutProvider(builder);
-
-        LoaderResults results = new LoaderResults(
-                LauncherAppState.getInstance(mTargetContext),
-                mModelHelper.getBgDataModel(),
-                mModelHelper.getAllAppsList(),
-                new Callbacks[0]);
-        LoaderTask task = new LoaderTask(
-                LauncherAppState.getInstance(mTargetContext),
-                mModelHelper.getAllAppsList(),
-                mModelHelper.getBgDataModel(),
-                results);
-        Executors.MODEL_EXECUTOR.submit(() -> task.loadWorkspace(new ArrayList<>())).get();
+        mModelHelper.setupDefaultLayoutProvider(builder).loadModelSync();
     }
 }

robolectric_tests/src/com/android/launcher3/shadows/LShadowLauncherApps.java

@@ -127,6 +127,10 @@ public class LShadowLauncherApps extends ShadowLauncherApps {
     @Override
     protected List<LauncherActivityInfo> getShortcutConfigActivityList(String packageName,
             UserHandle user) {
-        return Collections.emptyList();
+        Intent intent = new Intent(Intent.ACTION_CREATE_SHORTCUT).setPackage(packageName);
+        return RuntimeEnvironment.application.getPackageManager().queryIntentActivities(intent, 0)
+                .stream()
+                .map(ri -> getLauncherActivityInfo(ri.activityInfo))
+                .collect(Collectors.toList());
     }
 }

robolectric_tests/src/com/android/launcher3/shadows/LShadowTypeface.java

@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2020 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.shadows;
+
+import android.graphics.Typeface;
+
+import org.robolectric.annotation.Implementation;
+import org.robolectric.annotation.Implements;
+import org.robolectric.shadows.ShadowTypeface;
+
+/**
+ * Extension of {@link ShadowTypeface} with missing shadow methods
+ */
+@Implements(Typeface.class)
+public class LShadowTypeface extends ShadowTypeface {
+
+    @Implementation
+    public static Typeface create(Typeface family, int weight, boolean italic) {
+        int style = italic ? Typeface.ITALIC : Typeface.NORMAL;
+        if (weight >= 400) {
+            style |= Typeface.BOLD;
+        }
+        return create(family, style);
+    }
+}

robolectric_tests/src/com/android/launcher3/shadows/LShadowWallpaperManager.java

@@ -0,0 +1,56 @@
+/*
+ * 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.shadows;
+
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.mock;
+
+import android.app.WallpaperManager;
+import android.content.Context;
+
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.Shadows;
+import org.robolectric.annotation.Implementation;
+import org.robolectric.annotation.Implements;
+import org.robolectric.shadows.ShadowApplication;
+import org.robolectric.shadows.ShadowUserManager;
+import org.robolectric.shadows.ShadowWallpaperManager;
+
+/**
+ * Extension of {@link ShadowUserManager} with missing shadow methods
+ */
+@Implements(WallpaperManager.class)
+public class LShadowWallpaperManager extends ShadowWallpaperManager {
+
+    @Implementation
+    protected static WallpaperManager getInstance(Context context) {
+        return context.getSystemService(WallpaperManager.class);
+    }
+
+    /**
+     * Remove this once the fix for
+     * https://github.com/robolectric/robolectric/issues/5285
+     * is available
+     */
+    public static void initializeMock() {
+        WallpaperManager wm = mock(WallpaperManager.class);
+        ShadowApplication shadowApplication = Shadows.shadowOf(RuntimeEnvironment.application);
+        shadowApplication.setSystemService(Context.WALLPAPER_SERVICE, wm);
+        doReturn(0).when(wm).getDesiredMinimumWidth();
+        doReturn(0).when(wm).getDesiredMinimumHeight();
+    }
+}

robolectric_tests/src/com/android/launcher3/shadows/ShadowOverrides.java

@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2020 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.shadows;
+
+import android.content.Context;
+
+import com.android.launcher3.util.MainThreadInitializedObject.ObjectProvider;
+import com.android.launcher3.util.ResourceBasedOverride;
+import com.android.launcher3.util.ResourceBasedOverride.Overrides;
+
+import org.robolectric.annotation.Implementation;
+import org.robolectric.annotation.Implements;
+import org.robolectric.shadow.api.Shadow;
+import org.robolectric.util.ReflectionHelpers.ClassParameter;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * Shadow for {@link Overrides} to provide custom overrides for test
+ */
+@Implements(value = Overrides.class, isInAndroidSdk = false)
+public class ShadowOverrides {
+
+    private static Map<Class, ObjectProvider> sProviderMap = new HashMap<>();
+
+    @Implementation
+    public static <T extends ResourceBasedOverride> T getObject(
+            Class<T> clazz, Context context, int resId) {
+        ObjectProvider<T> provider = sProviderMap.get(clazz);
+        if (provider != null) {
+            return provider.get(context);
+        }
+        return Shadow.directlyOn(Overrides.class, "getObject",
+                ClassParameter.from(Class.class, clazz),
+                ClassParameter.from(Context.class, context),
+                ClassParameter.from(int.class, resId));
+    }
+
+    public static <T> void setProvider(Class<T> clazz, ObjectProvider<T> provider) {
+        sProviderMap.put(clazz, provider);
+    }
+
+    public static void clearProvider() {
+        sProviderMap.clear();
+    }
+}

robolectric_tests/src/com/android/launcher3/ui/LauncherUIScrollTest.java

@@ -0,0 +1,207 @@
+/*
+ * Copyright (C) 2020 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.ui;
+
+import static android.view.View.MeasureSpec.EXACTLY;
+import static android.view.View.MeasureSpec.makeMeasureSpec;
+
+import static com.android.launcher3.util.LauncherModelHelper.TEST_PACKAGE;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotEquals;
+import static org.mockito.Mockito.mock;
+
+import android.app.Activity;
+import android.content.Context;
+import android.os.SystemClock;
+import android.provider.Settings;
+import android.view.InputDevice;
+import android.view.MotionEvent;
+import android.view.MotionEvent.PointerProperties;
+import android.view.View;
+
+import com.android.launcher3.DeviceProfile;
+import com.android.launcher3.InvariantDeviceProfile;
+import com.android.launcher3.Launcher;
+import com.android.launcher3.LauncherState;
+import com.android.launcher3.folder.Folder;
+import com.android.launcher3.folder.FolderIcon;
+import com.android.launcher3.folder.FolderPagedView;
+import com.android.launcher3.logging.UserEventDispatcher;
+import com.android.launcher3.shadows.ShadowOverrides;
+import com.android.launcher3.util.LauncherLayoutBuilder;
+import com.android.launcher3.util.LauncherLayoutBuilder.FolderBuilder;
+import com.android.launcher3.util.LauncherModelHelper;
+import com.android.launcher3.util.LauncherRoboTestRunner;
+import com.android.launcher3.util.ViewOnDrawExecutor;
+import com.android.launcher3.widget.WidgetsFullSheet;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.Robolectric;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.LooperMode;
+import org.robolectric.annotation.LooperMode.Mode;
+import org.robolectric.shadows.ShadowLooper;
+import org.robolectric.util.ReflectionHelpers;
+
+/**
+ * Tests scroll behavior at various Launcher UI components
+ */
+@RunWith(LauncherRoboTestRunner.class)
+@LooperMode(Mode.PAUSED)
+public class LauncherUIScrollTest {
+
+    private Context mTargetContext;
+    private InvariantDeviceProfile mIdp;
+    private LauncherModelHelper mModelHelper;
+
+    private LauncherLayoutBuilder mLayoutBuilder;
+
+    @Before
+    public void setup() throws Exception {
+        mModelHelper = new LauncherModelHelper();
+        mTargetContext = RuntimeEnvironment.application;
+        mIdp = InvariantDeviceProfile.INSTANCE.get(mTargetContext);
+        ShadowOverrides.setProvider(UserEventDispatcher.class,
+                c -> mock(UserEventDispatcher.class));
+
+        Settings.Global.putFloat(mTargetContext.getContentResolver(),
+                Settings.Global.WINDOW_ANIMATION_SCALE, 0);
+
+        mModelHelper.installApp(TEST_PACKAGE);
+        // LayoutBuilder with 3 workspace pages
+        mLayoutBuilder = new LauncherLayoutBuilder()
+                .atWorkspace(0,  mIdp.numRows - 1, 0).putApp(TEST_PACKAGE, TEST_PACKAGE)
+                .atWorkspace(0,  mIdp.numRows - 1, 1).putApp(TEST_PACKAGE, TEST_PACKAGE)
+                .atWorkspace(0,  mIdp.numRows - 1, 2).putApp(TEST_PACKAGE, TEST_PACKAGE);
+    }
+
+    @Test
+    public void testWorkspacePagesBound() throws Exception {
+        // Verify that the workspace if bound synchronously
+        Launcher launcher = loadLauncher();
+        assertEquals(3, launcher.getWorkspace().getPageCount());
+        assertEquals(0, launcher.getWorkspace().getCurrentPage());
+
+        launcher.dispatchGenericMotionEvent(createScrollEvent(-1));
+        assertNotEquals("Workspace was not scrolled",
+                0, launcher.getWorkspace().getNextPage());
+    }
+
+    @Test
+    public void testAllAppsScroll() throws Exception {
+        // Install 100 apps
+        for (int i = 0; i < 100; i++) {
+            mModelHelper.installApp(TEST_PACKAGE + i);
+        }
+
+        // Bind and open all-apps
+        Launcher launcher = loadLauncher();
+        launcher.getStateManager().goToState(LauncherState.ALL_APPS, false);
+        doLayout(launcher);
+
+        int currentScroll = launcher.getAppsView().getActiveRecyclerView().getCurrentScrollY();
+        launcher.dispatchGenericMotionEvent(createScrollEvent(-1));
+        int newScroll = launcher.getAppsView().getActiveRecyclerView().getCurrentScrollY();
+
+        assertNotEquals("All Apps was not scrolled", currentScroll, newScroll);
+        assertEquals("Workspace was scrolled", 0, launcher.getWorkspace().getNextPage());
+    }
+
+    @Test
+    public void testWidgetsListScroll() throws Exception {
+        // Install 100 widgets
+        for (int i = 0; i < 100; i++) {
+            mModelHelper.installCustomShortcut(TEST_PACKAGE + i, "shortcutProvider");
+        }
+
+        // Bind and open widgets
+        Launcher launcher = loadLauncher();
+        WidgetsFullSheet widgets = WidgetsFullSheet.show(launcher, false);
+        doLayout(launcher);
+
+        int currentScroll = widgets.getRecyclerView().getCurrentScrollY();
+        launcher.dispatchGenericMotionEvent(createScrollEvent(-1));
+        int newScroll = widgets.getRecyclerView().getCurrentScrollY();
+        assertNotEquals("Widgets was not scrolled", currentScroll, newScroll);
+        assertEquals("Workspace was scrolled", 0, launcher.getWorkspace().getNextPage());
+    }
+
+    @Test
+    public void testFolderPageScroll() throws Exception {
+        // Add a folder with multiple icons
+        FolderBuilder fb = mLayoutBuilder.atWorkspace(mIdp.numColumns / 2, mIdp.numRows / 2, 0)
+                .putFolder(0);
+        for (int i = 0; i < 100; i++) {
+            fb.addApp(TEST_PACKAGE, TEST_PACKAGE);
+        }
+
+        // Bind and open folder
+        Launcher launcher = loadLauncher();
+        doLayout(launcher);
+        launcher.getWorkspace().getFirstMatch((i, v) -> v instanceof FolderIcon).performClick();
+        ShadowLooper.idleMainLooper();
+        doLayout(launcher);
+        FolderPagedView folderPages = Folder.getOpen(launcher).getContent();
+
+        assertEquals(0, folderPages.getNextPage());
+        launcher.dispatchGenericMotionEvent(createScrollEvent(-1));
+        assertNotEquals("Folder page was not scrolled", 0, folderPages.getNextPage());
+        assertEquals("Workspace was scrolled", 0, launcher.getWorkspace().getNextPage());
+    }
+
+    private Launcher loadLauncher() throws Exception {
+        mModelHelper.setupDefaultLayoutProvider(mLayoutBuilder).loadModelSync();
+
+        Launcher launcher = Robolectric.buildActivity(Launcher.class).setup().get();
+        doLayout(launcher);
+        ViewOnDrawExecutor executor = ReflectionHelpers.getField(launcher, "mPendingExecutor");
+        if (executor != null) {
+            executor.runAllTasks();
+        }
+        return launcher;
+    }
+
+    private static void doLayout(Activity activity) {
+        DeviceProfile dp = InvariantDeviceProfile.INSTANCE
+                .get(RuntimeEnvironment.application).portraitProfile;
+        View view = activity.getWindow().getDecorView();
+        view.measure(makeMeasureSpec(dp.widthPx, EXACTLY), makeMeasureSpec(dp.heightPx, EXACTLY));
+        view.layout(0, 0, dp.widthPx, dp.heightPx);
+        ShadowLooper.idleMainLooper();
+    }
+
+    private static MotionEvent createScrollEvent(int scroll) {
+        DeviceProfile dp = InvariantDeviceProfile.INSTANCE
+                .get(RuntimeEnvironment.application).portraitProfile;
+
+        final PointerProperties[] pointerProperties = new PointerProperties[1];
+        pointerProperties[0] = new PointerProperties();
+        pointerProperties[0].id = 0;
+        final MotionEvent.PointerCoords[] coords = new MotionEvent.PointerCoords[1];
+        coords[0] = new MotionEvent.PointerCoords();
+        coords[0].setAxisValue(MotionEvent.AXIS_VSCROLL, scroll);
+        coords[0].x = dp.widthPx / 2;
+        coords[0].y = dp.heightPx / 2;
+
+        final long time = SystemClock.uptimeMillis();
+        return MotionEvent.obtain(time, time, MotionEvent.ACTION_SCROLL, 1,
+                pointerProperties, coords, 0, 0, 1.0f, 1.0f, 0, 0,
+                InputDevice.SOURCE_CLASS_POINTER, 0);
+    }
+
+}

robolectric_tests/src/com/android/launcher3/util/LauncherModelHelper.java

@@ -15,6 +15,8 @@
  */
 package com.android.launcher3.util;
 
+import static android.content.Intent.ACTION_CREATE_SHORTCUT;
+
 import static com.android.launcher3.LauncherSettings.Favorites.CONTENT_URI;
 import static com.android.launcher3.util.Executors.MODEL_EXECUTOR;
 
@@ -44,6 +46,7 @@ import com.android.launcher3.LauncherProvider;
 import com.android.launcher3.LauncherSettings;
 import com.android.launcher3.model.AllAppsList;
 import com.android.launcher3.model.BgDataModel;
+import com.android.launcher3.model.BgDataModel.Callbacks;
 import com.android.launcher3.pm.UserCache;
 
 import org.mockito.ArgumentCaptor;
@@ -61,6 +64,7 @@ import java.io.OutputStreamWriter;
 import java.lang.reflect.Field;
 import java.util.HashMap;
 import java.util.List;
+import java.util.concurrent.ExecutionException;
 import java.util.concurrent.Executor;
 import java.util.function.Function;
 
@@ -345,7 +349,8 @@ public class LauncherModelHelper {
     /**
      * Sets up a dummy provider to load the provided layout by default, next time the layout loads
      */
-    public void setupDefaultLayoutProvider(LauncherLayoutBuilder builder) throws Exception {
+    public LauncherModelHelper setupDefaultLayoutProvider(LauncherLayoutBuilder builder)
+            throws Exception {
         Context context = RuntimeEnvironment.application;
         InvariantDeviceProfile idp = InvariantDeviceProfile.INSTANCE.get(context);
         idp.numRows = idp.numColumns = idp.numHotseatIcons = DEFAULT_GRID_SIZE;
@@ -363,22 +368,52 @@ public class LauncherModelHelper {
         Uri layoutUri = LauncherProvider.getLayoutUri(TEST_PROVIDER_AUTHORITY, context);
         shadowOf(context.getContentResolver()).registerInputStream(layoutUri,
                 new ByteArrayInputStream(bos.toByteArray()));
+        return this;
     }
 
     /**
      * Simulates an apk install with a default main activity with same class and package name
      */
     public void installApp(String component) throws NameNotFoundException {
-        ShadowPackageManager spm = shadowOf(RuntimeEnvironment.application.getPackageManager());
-        ComponentName cn = new ComponentName(component, component);
-        spm.addActivityIfNotPresent(cn);
-
         IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN);
         filter.addCategory(Intent.CATEGORY_LAUNCHER);
+        installApp(component, component, filter);
+    }
+
+    /**
+     * Simulates a custom shortcut install
+     */
+    public void installCustomShortcut(String pkg, String clazz) throws NameNotFoundException {
+        installApp(pkg, clazz, new IntentFilter(ACTION_CREATE_SHORTCUT));
+    }
+
+    private void installApp(String pkg, String clazz, IntentFilter filter)
+            throws NameNotFoundException {
+        ShadowPackageManager spm = shadowOf(RuntimeEnvironment.application.getPackageManager());
+        ComponentName cn = new ComponentName(pkg, clazz);
+        spm.addActivityIfNotPresent(cn);
+
         filter.addCategory(Intent.CATEGORY_DEFAULT);
         spm.addIntentFilterForActivity(cn, filter);
     }
 
+    /**
+     * Loads the model in memory synchronously
+     */
+    public void loadModelSync() throws ExecutionException, InterruptedException {
+        // Since robolectric tests run on main thread, we run the loader-UI calls on a temp thread,
+        // so that we can wait appropriately for the loader to complete.
+        ReflectionHelpers.setField(getModel(), "mMainExecutor", Executors.UI_HELPER_EXECUTOR);
+
+        Callbacks mockCb = mock(Callbacks.class);
+        getModel().addCallbacksAndLoad(mockCb);
+
+        Executors.MODEL_EXECUTOR.submit(() -> { }).get();
+        Executors.UI_HELPER_EXECUTOR.submit(() -> { }).get();
+        ReflectionHelpers.setField(getModel(), "mMainExecutor", Executors.MAIN_EXECUTOR);
+        getModel().removeCallbacks(mockCb);
+    }
+
     /**
      * An extension of LauncherProvider backed up by in-memory database.
      */

robolectric_tests/src/com/android/launcher3/util/LauncherRoboTestRunner.java

@@ -21,10 +21,13 @@ import com.android.launcher3.shadows.LShadowAppWidgetManager;
 import com.android.launcher3.shadows.LShadowBackupManager;
 import com.android.launcher3.shadows.LShadowBitmap;
 import com.android.launcher3.shadows.LShadowLauncherApps;
+import com.android.launcher3.shadows.LShadowTypeface;
 import com.android.launcher3.shadows.LShadowUserManager;
+import com.android.launcher3.shadows.LShadowWallpaperManager;
 import com.android.launcher3.shadows.ShadowDeviceFlag;
 import com.android.launcher3.shadows.ShadowLooperExecutor;
 import com.android.launcher3.shadows.ShadowMainThreadInitializedObject;
+import com.android.launcher3.shadows.ShadowOverrides;
 import com.android.launcher3.uioverrides.plugins.PluginManagerWrapper;
 
 import org.junit.runners.model.InitializationError;
@@ -49,9 +52,12 @@ public class LauncherRoboTestRunner extends RobolectricTestRunner {
             LShadowLauncherApps.class,
             LShadowBitmap.class,
             LShadowBackupManager.class,
+            LShadowTypeface.class,
+            LShadowWallpaperManager.class,
             ShadowLooperExecutor.class,
             ShadowMainThreadInitializedObject.class,
             ShadowDeviceFlag.class,
+            ShadowOverrides.class
     };
 
     public LauncherRoboTestRunner(Class<?> testClass) throws InitializationError {
@@ -78,6 +84,9 @@ public class LauncherRoboTestRunner extends RobolectricTestRunner {
 
             // Disable plugins
             PluginManagerWrapper.INSTANCE.initializeForTesting(mock(PluginManagerWrapper.class));
+
+            // Initialize mock wallpaper manager
+            LShadowWallpaperManager.initializeMock();
         }
 
         @Override
@@ -86,6 +95,7 @@ public class LauncherRoboTestRunner extends RobolectricTestRunner {
 
             ShadowLog.stream = null;
             ShadowMainThreadInitializedObject.resetInitializedObjects();
+            ShadowOverrides.clearProvider();
         }
     }
 }

src/com/android/launcher3/BubbleTextView.java

@@ -151,27 +151,25 @@ public class BubbleTextView extends TextView implements ItemInfoUpdateReceiver,
         TypedArray a = context.obtainStyledAttributes(attrs,
                 R.styleable.BubbleTextView, defStyle, 0);
         mLayoutHorizontal = a.getBoolean(R.styleable.BubbleTextView_layoutHorizontal, false);
+        DeviceProfile grid = mActivity.getDeviceProfile();
 
         mDisplay = a.getInteger(R.styleable.BubbleTextView_iconDisplay, DISPLAY_WORKSPACE);
         final int defaultIconSize;
         if (mDisplay == DISPLAY_WORKSPACE) {
-            DeviceProfile grid = mActivity.getWallpaperDeviceProfile();
             setTextSize(TypedValue.COMPLEX_UNIT_PX, grid.iconTextSizePx);
             setCompoundDrawablePadding(grid.iconDrawablePaddingPx);
             defaultIconSize = grid.iconSizePx;
         } else if (mDisplay == DISPLAY_ALL_APPS) {
-            DeviceProfile grid = mActivity.getDeviceProfile();
             setTextSize(TypedValue.COMPLEX_UNIT_PX, grid.allAppsIconTextSizePx);
             setCompoundDrawablePadding(grid.allAppsIconDrawablePaddingPx);
             defaultIconSize = grid.allAppsIconSizePx;
         } else if (mDisplay == DISPLAY_FOLDER) {
-            DeviceProfile grid = mActivity.getDeviceProfile();
             setTextSize(TypedValue.COMPLEX_UNIT_PX, grid.folderChildTextSizePx);
             setCompoundDrawablePadding(grid.folderChildDrawablePaddingPx);
             defaultIconSize = grid.folderChildIconSizePx;
         } else {
             // widget_selection or shortcut_popup
-            defaultIconSize = mActivity.getDeviceProfile().iconSizePx;
+            defaultIconSize = grid.iconSizePx;
         }
 
         mCenterVertically = a.getBoolean(R.styleable.BubbleTextView_centerVertically, false);

src/com/android/launcher3/CellLayout.java

@@ -59,14 +59,12 @@ import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.dragndrop.DraggableView;
 import com.android.launcher3.folder.PreviewBackground;
 import com.android.launcher3.graphics.DragPreviewProvider;
-import com.android.launcher3.graphics.RotationMode;
 import com.android.launcher3.util.CellAndSpan;
 import com.android.launcher3.util.GridOccupancy;
 import com.android.launcher3.util.ParcelableSparseArray;
 import com.android.launcher3.util.Themes;
 import com.android.launcher3.util.Thunk;
 import com.android.launcher3.views.ActivityContext;
-import com.android.launcher3.views.Transposable;
 import com.android.launcher3.widget.LauncherAppWidgetHostView;
 
 import java.lang.annotation.Retention;
@@ -77,7 +75,7 @@ import java.util.Collections;
 import java.util.Comparator;
 import java.util.Stack;
 
-public class CellLayout extends ViewGroup implements Transposable {
+public class CellLayout extends ViewGroup {
     private static final String TAG = "CellLayout";
     private static final boolean LOGD = false;
 
@@ -184,7 +182,6 @@ public class CellLayout extends ViewGroup implements Transposable {
 
     // Related to accessible drag and drop
     private boolean mUseTouchHelper = false;
-    private RotationMode mRotationMode = RotationMode.NORMAL;
 
     public CellLayout(Context context) {
         this(context, null);
@@ -206,7 +203,7 @@ public class CellLayout extends ViewGroup implements Transposable {
         setClipToPadding(false);
         mActivity = ActivityContext.lookupContext(context);
 
-        DeviceProfile grid = mActivity.getWallpaperDeviceProfile();
+        DeviceProfile grid = mActivity.getDeviceProfile();
 
         mCellWidth = mCellHeight = -1;
         mFixedCellWidth = mFixedCellHeight = -1;
@@ -314,24 +311,6 @@ public class CellLayout extends ViewGroup implements Transposable {
         }
     }
 
-    public void setRotationMode(RotationMode mode) {
-        if (mRotationMode != mode) {
-            mRotationMode = mode;
-            requestLayout();
-        }
-    }
-
-    @Override
-    public RotationMode getRotationMode() {
-        return mRotationMode;
-    }
-
-    @Override
-    public void setPadding(int left, int top, int right, int bottom) {
-        mRotationMode.mapRect(left, top, right, bottom, mTempRect);
-        super.setPadding(mTempRect.left, mTempRect.top, mTempRect.right, mTempRect.bottom);
-    }
-
     @Override
     public boolean onInterceptTouchEvent(MotionEvent ev) {
         if (mUseTouchHelper ||
@@ -789,13 +768,6 @@ public class CellLayout extends ViewGroup implements Transposable {
         int childWidthSize = widthSize - (getPaddingLeft() + getPaddingRight());
         int childHeightSize = heightSize - (getPaddingTop() + getPaddingBottom());
 
-        mShortcutsAndWidgets.setRotation(mRotationMode.surfaceRotation);
-        if (mRotationMode.isTransposed) {
-            int tmp = childWidthSize;
-            childWidthSize = childHeightSize;
-            childHeightSize = tmp;
-        }
-
         if (mFixedCellWidth < 0 || mFixedCellHeight < 0) {
             int cw = DeviceProfile.calculateCellWidth(childWidthSize, mCountX);
             int ch = DeviceProfile.calculateCellHeight(childHeightSize, mCountY);
@@ -846,15 +818,7 @@ public class CellLayout extends ViewGroup implements Transposable {
                 right + mTempRect.right + getPaddingRight(),
                 bottom + mTempRect.bottom + getPaddingBottom());
 
-        if (mRotationMode.isTransposed) {
-            int halfW = mShortcutsAndWidgets.getMeasuredWidth() / 2;
-            int halfH = mShortcutsAndWidgets.getMeasuredHeight() / 2;
-            int cX = (left + right) / 2;
-            int cY = (top + bottom) / 2;
-            mShortcutsAndWidgets.layout(cX - halfW, cY - halfH, cX + halfW, cY + halfH);
-        } else {
-            mShortcutsAndWidgets.layout(left, top, right, bottom);
-        }
+        mShortcutsAndWidgets.layout(left, top, right, bottom);
     }
 
     /**
@@ -863,8 +827,7 @@ public class CellLayout extends ViewGroup implements Transposable {
      * width in {@link DeviceProfile#calculateCellWidth(int, int)}.
      */
     public int getUnusedHorizontalSpace() {
-        return (mRotationMode.isTransposed ? getMeasuredHeight() : getMeasuredWidth())
-                - getPaddingLeft() - getPaddingRight() - (mCountX * mCellWidth);
+        return getMeasuredWidth() - getPaddingLeft() - getPaddingRight() - (mCountX * mCellWidth);
     }
 
     public Drawable getScrimBackground() {

src/com/android/launcher3/DeleteDropTarget.java

@@ -67,7 +67,7 @@ public class DeleteDropTarget extends ButtonDropTarget {
     public boolean supportsAccessibilityDrop(ItemInfo info, View view) {
         if (info instanceof WorkspaceItemInfo) {
             // Support the action unless the item is in a context menu.
-            return info.screenId >= 0;
+            return canRemove(info);
         }
 
         return (info instanceof LauncherAppWidgetInfo)

src/com/android/launcher3/DeviceProfile.java

@@ -76,9 +76,9 @@ public class DeviceProfile {
     public float workspaceSpringLoadShrinkFactor;
     public final int workspaceSpringLoadedBottomSpace;
 
-    // Drag handle
-    public final int verticalDragHandleSizePx;
-    private final int verticalDragHandleOverlapWorkspace;
+    // Workspace page indicator
+    public final int workspacePageIndicatorHeight;
+    private final int mWorkspacePageIndicatorOverlapWorkspace;
 
     // Workspace icons
     public int iconSizePx;
@@ -190,10 +190,10 @@ public class DeviceProfile {
             cellLayoutBottomPaddingPx = 0;
         }
 
-        verticalDragHandleSizePx = res.getDimensionPixelSize(
-                R.dimen.vertical_drag_handle_size);
-        verticalDragHandleOverlapWorkspace =
-                res.getDimensionPixelSize(R.dimen.vertical_drag_handle_overlap_workspace);
+        workspacePageIndicatorHeight = res.getDimensionPixelSize(
+                R.dimen.workspace_page_indicator_height);
+        mWorkspacePageIndicatorOverlapWorkspace =
+                res.getDimensionPixelSize(R.dimen.workspace_page_indicator_overlap_workspace);
 
         iconDrawablePaddingOriginalPx =
                 res.getDimensionPixelSize(R.dimen.dynamic_grid_icon_drawable_padding);
@@ -211,7 +211,7 @@ public class DeviceProfile {
         hotseatBarSidePaddingEndPx =
                 res.getDimensionPixelSize(R.dimen.dynamic_grid_hotseat_side_padding);
         // Add a bit of space between nav bar and hotseat in vertical bar layout.
-        hotseatBarSidePaddingStartPx = isVerticalBarLayout() ? verticalDragHandleSizePx : 0;
+        hotseatBarSidePaddingStartPx = isVerticalBarLayout() ? workspacePageIndicatorHeight : 0;
         hotseatBarSizePx = ResourceUtils.pxFromDp(inv.iconSize, dm) + (isVerticalBarLayout()
                 ? (hotseatBarSidePaddingStartPx + hotseatBarSidePaddingEndPx)
                 : (res.getDimensionPixelSize(R.dimen.dynamic_grid_hotseat_extra_vertical_size)
@@ -227,7 +227,7 @@ public class DeviceProfile {
             // in portrait mode closer together by adding more height to the hotseat.
             // Note: This calculation was created after noticing a pattern in the design spec.
             int extraSpace = getCellSize().y - iconSizePx - iconDrawablePaddingPx * 2
-                    - verticalDragHandleSizePx;
+                    - workspacePageIndicatorHeight;
             hotseatBarSizePx += extraSpace;
             hotseatBarBottomPaddingPx += extraSpace;
 
@@ -376,7 +376,7 @@ public class DeviceProfile {
 
         if (!isVerticalLayout) {
             int expectedWorkspaceHeight = availableHeightPx - hotseatBarSizePx
-                    - verticalDragHandleSizePx - edgeMarginPx;
+                    - workspacePageIndicatorHeight - edgeMarginPx;
             float minRequiredHeight = dropTargetBarSizePx + workspaceSpringLoadedBottomSpace;
             workspaceSpringLoadShrinkFactor = Math.min(
                     res.getInteger(R.integer.config_workspaceSpringLoadShrinkPercentage) / 100.0f,
@@ -480,14 +480,14 @@ public class DeviceProfile {
             padding.bottom = edgeMarginPx;
             if (isSeascape()) {
                 padding.left = hotseatBarSizePx;
-                padding.right = verticalDragHandleSizePx;
+                padding.right = hotseatBarSidePaddingStartPx;
             } else {
-                padding.left = verticalDragHandleSizePx;
+                padding.left = hotseatBarSidePaddingStartPx;
                 padding.right = hotseatBarSizePx;
             }
         } else {
-            int paddingBottom = hotseatBarSizePx + verticalDragHandleSizePx
-                    - verticalDragHandleOverlapWorkspace;
+            int paddingBottom = hotseatBarSizePx + workspacePageIndicatorHeight
+                    - mWorkspacePageIndicatorOverlapWorkspace;
             if (isTablet) {
                 // Pad the left and right of the workspace to ensure consistent spacing
                 // between all icons
@@ -554,7 +554,7 @@ public class DeviceProfile {
                     mInsets.top + dropTargetBarSizePx + edgeMarginPx,
                     mInsets.left + availableWidthPx - edgeMarginPx,
                     mInsets.top + availableHeightPx - hotseatBarSizePx
-                            - verticalDragHandleSizePx - edgeMarginPx);
+                            - workspacePageIndicatorHeight - edgeMarginPx);
         }
     }
 

src/com/android/launcher3/Hotseat.java

@@ -27,15 +27,13 @@ import android.view.ViewDebug;
 import android.view.ViewGroup;
 import android.widget.FrameLayout;
 
-import com.android.launcher3.graphics.RotationMode;
 import com.android.launcher3.logging.StatsLogUtils.LogContainerProvider;
 import com.android.launcher3.userevent.nano.LauncherLogProto;
 import com.android.launcher3.userevent.nano.LauncherLogProto.Target;
-import com.android.launcher3.views.Transposable;
 
 import java.util.ArrayList;
 
-public class Hotseat extends CellLayout implements LogContainerProvider, Insettable, Transposable {
+public class Hotseat extends CellLayout implements LogContainerProvider, Insettable {
 
     @ViewDebug.ExportedProperty(category = "launcher")
     private boolean mHasVerticalHotseat;
@@ -89,7 +87,7 @@ public class Hotseat extends CellLayout implements LogContainerProvider, Insetta
     @Override
     public void setInsets(Rect insets) {
         FrameLayout.LayoutParams lp = (FrameLayout.LayoutParams) getLayoutParams();
-        DeviceProfile grid = mActivity.getWallpaperDeviceProfile();
+        DeviceProfile grid = mActivity.getDeviceProfile();
         insets = grid.getInsets();
 
         if (grid.isVerticalBarLayout()) {
@@ -117,9 +115,4 @@ public class Hotseat extends CellLayout implements LogContainerProvider, Insetta
     public boolean onTouchEvent(MotionEvent event) {
         return event.getY() > getCellHeight();
     }
-
-    @Override
-    public RotationMode getRotationMode() {
-        return Launcher.getLauncher(getContext()).getRotationMode();
-    }
 }

src/com/android/launcher3/Launcher.java

@@ -56,7 +56,6 @@ import android.content.pm.PackageManager;
 import android.content.res.Configuration;
 import android.database.sqlite.SQLiteDatabase;
 import android.graphics.Point;
-import android.graphics.Rect;
 import android.os.Build;
 import android.os.Bundle;
 import android.os.CancellationSignal;
@@ -102,7 +101,6 @@ import com.android.launcher3.dragndrop.DragView;
 import com.android.launcher3.folder.Folder;
 import com.android.launcher3.folder.FolderGridOrganizer;
 import com.android.launcher3.folder.FolderIcon;
-import com.android.launcher3.graphics.RotationMode;
 import com.android.launcher3.icons.IconCache;
 import com.android.launcher3.keyboard.CustomActionsPopup;
 import com.android.launcher3.keyboard.ViewGroupFocusHelper;
@@ -317,9 +315,6 @@ public class Launcher extends BaseDraggingActivity implements LauncherExterns,
 
     private float mCurrentAssistantVisibility = 0f;
 
-    private DeviceProfile mStableDeviceProfile;
-    private RotationMode mRotationMode = RotationMode.NORMAL;
-
     protected LauncherOverlayManager mOverlayManager;
     // If true, overlay callbacks are deferred
     private boolean mDeferOverlayCallbacks;
@@ -503,24 +498,12 @@ public class Launcher extends BaseDraggingActivity implements LauncherExterns,
         super.onConfigurationChanged(newConfig);
     }
 
-    public void reload() {
-        onIdpChanged(mDeviceProfile.inv);
-    }
-
-    private boolean supportsFakeLandscapeUI() {
-        return FeatureFlags.FAKE_LANDSCAPE_UI.get() && !mRotationHelper.homeScreenCanRotate();
-    }
-
     @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(cancelCurrentAnimation);
     }
@@ -533,7 +516,6 @@ public class Launcher extends BaseDraggingActivity implements LauncherExterns,
     private void onIdpChanged(InvariantDeviceProfile idp) {
         mUserEventDispatcher = null;
 
-        DeviceProfile oldWallpaperProfile = getWallpaperDeviceProfile();
         initDeviceProfile(idp);
         dispatchDeviceProfileChanged();
         reapplyUi();
@@ -542,9 +524,7 @@ public class Launcher extends BaseDraggingActivity implements LauncherExterns,
         // Calling onSaveInstanceState ensures that static cache used by listWidgets is
         // initialized properly.
         onSaveInstanceState(new Bundle());
-        if (oldWallpaperProfile != getWallpaperDeviceProfile()) {
-            mModel.rebindCallbacks();
-        }
+        mModel.rebindCallbacks();
     }
 
     public void onAssistantVisibilityChanged(float visibility) {
@@ -571,41 +551,8 @@ public class Launcher extends BaseDraggingActivity implements LauncherExterns,
             mDeviceProfile = mDeviceProfile.getMultiWindowProfile(this, mwSize);
         }
 
-        if (supportsFakeLandscapeUI() && mDeviceProfile.isVerticalBarLayout()) {
-            mStableDeviceProfile = mDeviceProfile.inv.portraitProfile;
-            mRotationMode = getFakeRotationMode(mDeviceProfile);
-        } else {
-            mStableDeviceProfile = null;
-            mRotationMode = RotationMode.NORMAL;
-        }
-
-        mRotationHelper.updateRotationAnimation();
         onDeviceProfileInitiated();
-        mModelWriter = mModel.getWriter(getWallpaperDeviceProfile().isVerticalBarLayout(), true);
-    }
-
-    public void updateInsets(Rect insets) {
-        mDeviceProfile.updateInsets(insets);
-        if (mStableDeviceProfile != null) {
-            Rect r = mStableDeviceProfile.getInsets();
-            mRotationMode.mapInsets(this, insets, r);
-            mStableDeviceProfile.updateInsets(r);
-        }
-    }
-
-    @Override
-    public RotationMode getRotationMode() {
-        return mRotationMode;
-    }
-
-    /**
-     * Device profile to be used by UI elements which are shown directly on top of the wallpaper
-     * and whose presentation is tied to the wallpaper (and physical device) and not the activity
-     * configuration.
-     */
-    @Override
-    public DeviceProfile getWallpaperDeviceProfile() {
-        return mStableDeviceProfile == null ? mDeviceProfile : mStableDeviceProfile;
+        mModelWriter = mModel.getWriter(getDeviceProfile().isVerticalBarLayout(), true);
     }
 
     public RotationHelper getRotationHelper() {
@@ -1193,7 +1140,7 @@ public class Launcher extends BaseDraggingActivity implements LauncherExterns,
         // Setup the drag controller (drop targets have to be added in reverse order in priority)
         mDropTargetBar.setup(mDragController);
 
-        mAllAppsController.setupViews(mAppsView);
+        mAllAppsController.setupViews(mAppsView, mScrimView);
     }
 
     /**
@@ -1415,6 +1362,10 @@ public class Launcher extends BaseDraggingActivity implements LauncherExterns,
         return mDropTargetBar;
     }
 
+    public ScrimView getScrimView() {
+        return mScrimView;
+    }
+
     public LauncherAppWidgetHost getAppWidgetHost() {
         return mAppWidgetHost;
     }
@@ -1753,7 +1704,6 @@ public class Launcher extends BaseDraggingActivity implements LauncherExterns,
     public FolderIcon addFolder(CellLayout layout, int container, final int screenId, int cellX,
             int cellY) {
         final FolderInfo folderInfo = new FolderInfo();
-        folderInfo.title = "";
 
         // Update the model
         getModelWriter().addItemToDatabase(folderInfo, container, screenId, cellX, cellY);
@@ -2049,7 +1999,7 @@ public class Launcher extends BaseDraggingActivity implements LauncherExterns,
         mAppWidgetHost.clearViews();
 
         if (mHotseat != null) {
-            mHotseat.resetLayout(getWallpaperDeviceProfile().isVerticalBarLayout());
+            mHotseat.resetLayout(getDeviceProfile().isVerticalBarLayout());
         }
         TraceHelper.INSTANCE.endSection(traceToken);
     }
@@ -2724,10 +2674,6 @@ public class Launcher extends BaseDraggingActivity implements LauncherExterns,
         return new TouchController[] {getDragController(), new AllAppsSwipeController(this)};
     }
 
-    protected RotationMode getFakeRotationMode(DeviceProfile deviceProfile) {
-        return RotationMode.NORMAL;
-    }
-
     protected ScaleAndTranslation getOverviewScaleAndTranslationForNormalState() {
         return new ScaleAndTranslation(1.1f, 0f, 0f);
     }

src/com/android/launcher3/LauncherRootView.java

@@ -83,7 +83,7 @@ public class LauncherRootView extends InsettableFrameLayout {
                 UI_STATE_ROOT_VIEW, drawInsetBar ? FLAG_DARK_NAV : 0);
 
         // Update device profile before notifying th children.
-        mLauncher.updateInsets(insets);
+        mLauncher.getDeviceProfile().updateInsets(insets);
         boolean resetState = !insets.equals(mInsets);
         setInsets(insets);
 
@@ -127,7 +127,7 @@ public class LauncherRootView extends InsettableFrameLayout {
     }
 
     public void dispatchInsets() {
-        mLauncher.updateInsets(mInsets);
+        mLauncher.getDeviceProfile().updateInsets(mInsets);
         super.setInsets(mInsets);
     }
 

src/com/android/launcher3/PagedView.java

@@ -16,6 +16,14 @@
 
 package com.android.launcher3;
 
+import static com.android.launcher3.compat.AccessibilityManagerCompat.isAccessibilityEnabled;
+import static com.android.launcher3.compat.AccessibilityManagerCompat.isObservedEventType;
+import static com.android.launcher3.config.FeatureFlags.QUICKSTEP_SPRINGS;
+import static com.android.launcher3.touch.OverScroll.OVERSCROLL_DAMP_FACTOR;
+import static com.android.launcher3.touch.PagedOrientationHandler.CANVAS_TRANSLATE;
+import static com.android.launcher3.touch.PagedOrientationHandler.VIEW_SCROLL_BY;
+import static com.android.launcher3.touch.PagedOrientationHandler.VIEW_SCROLL_TO;
+
 import android.animation.LayoutTransition;
 import android.animation.TimeInterpolator;
 import android.annotation.SuppressLint;
@@ -42,14 +50,6 @@ import android.view.accessibility.AccessibilityNodeInfo;
 import android.view.animation.Interpolator;
 import android.widget.ScrollView;
 
-import static com.android.launcher3.compat.AccessibilityManagerCompat.isAccessibilityEnabled;
-import static com.android.launcher3.compat.AccessibilityManagerCompat.isObservedEventType;
-import static com.android.launcher3.config.FeatureFlags.QUICKSTEP_SPRINGS;
-import static com.android.launcher3.touch.OverScroll.OVERSCROLL_DAMP_FACTOR;
-import static com.android.launcher3.touch.PagedOrientationHandler.CANVAS_TRANSLATE;
-import static com.android.launcher3.touch.PagedOrientationHandler.VIEW_SCROLL_BY;
-import static com.android.launcher3.touch.PagedOrientationHandler.VIEW_SCROLL_TO;
-
 import androidx.annotation.Nullable;
 
 import com.android.launcher3.anim.Interpolators;
@@ -63,6 +63,7 @@ import com.android.launcher3.touch.PagedOrientationHandler.ChildBounds;
 import com.android.launcher3.touch.PortraitPagedViewHandler;
 import com.android.launcher3.util.OverScroller;
 import com.android.launcher3.util.Thunk;
+import com.android.launcher3.views.ActivityContext;
 
 import java.util.ArrayList;
 
@@ -1369,10 +1370,6 @@ public abstract class PagedView<T extends View & PageIndicator> extends ViewGrou
         if ((event.getSource() & InputDevice.SOURCE_CLASS_POINTER) != 0) {
             switch (event.getAction()) {
                 case MotionEvent.ACTION_SCROLL: {
-                    Launcher launcher = Launcher.getLauncher(getContext());
-                    if (launcher != null) {
-                        AbstractFloatingView.closeAllOpenViews(launcher);
-                    }
                     // Handle mouse (or ext. device) by shifting the page depending on the scroll
                     final float vscroll;
                     final float hscroll;
@@ -1383,8 +1380,8 @@ public abstract class PagedView<T extends View & PageIndicator> extends ViewGrou
                         vscroll = -event.getAxisValue(MotionEvent.AXIS_VSCROLL);
                         hscroll = event.getAxisValue(MotionEvent.AXIS_HSCROLL);
                     }
-                    if (Math.abs(vscroll) > Math.abs(hscroll) && !isVerticalScrollable()) {
-                        return true;
+                    if (!canScroll(Math.abs(vscroll), Math.abs(hscroll))) {
+                        return false;
                     }
                     if (hscroll != 0 || vscroll != 0) {
                         boolean isForwardScroll = mIsRtl ? (hscroll < 0 || vscroll < 0)
@@ -1402,8 +1399,13 @@ public abstract class PagedView<T extends View & PageIndicator> extends ViewGrou
         return super.onGenericMotionEvent(event);
     }
 
-    protected boolean isVerticalScrollable() {
-        return true;
+    /**
+     * Returns true if the paged view can scroll for the provided vertical and horizontal
+     * scroll values
+     */
+    protected boolean canScroll(float absVScroll, float absHScroll) {
+        ActivityContext ac = ActivityContext.lookupContext(getContext());
+        return (ac == null || AbstractFloatingView.getTopOpenView(ac) == null);
     }
 
     private void acquireVelocityTrackerAndAddMovement(MotionEvent ev) {

src/com/android/launcher3/ShortcutAndWidgetContainer.java

@@ -93,7 +93,7 @@ public class ShortcutAndWidgetContainer extends ViewGroup {
     public void setupLp(View child) {
         CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams();
         if (child instanceof LauncherAppWidgetHostView) {
-            DeviceProfile profile = mActivity.getWallpaperDeviceProfile();
+            DeviceProfile profile = mActivity.getDeviceProfile();
             lp.setup(mCellWidth, mCellHeight, invertLayoutHorizontally(), mCountX,
                     profile.appWidgetScale.x, profile.appWidgetScale.y);
         } else {
@@ -108,12 +108,12 @@ public class ShortcutAndWidgetContainer extends ViewGroup {
 
     public int getCellContentHeight() {
         return Math.min(getMeasuredHeight(),
-                mActivity.getWallpaperDeviceProfile().getCellHeight(mContainerType));
+                mActivity.getDeviceProfile().getCellHeight(mContainerType));
     }
 
     public void measureChild(View child) {
         CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams();
-        final DeviceProfile profile = mActivity.getWallpaperDeviceProfile();
+        final DeviceProfile profile = mActivity.getDeviceProfile();
 
         if (child instanceof LauncherAppWidgetHostView) {
             lp.setup(mCellWidth, mCellHeight, invertLayoutHorizontally(), mCountX,

src/com/android/launcher3/Utilities.java

@@ -62,7 +62,6 @@ import android.view.animation.Interpolator;
 
 import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.dragndrop.FolderAdaptiveIcon;
-import com.android.launcher3.graphics.RotationMode;
 import com.android.launcher3.graphics.TintedDrawableSpan;
 import com.android.launcher3.icons.IconProvider;
 import com.android.launcher3.icons.LauncherIcons;
@@ -72,7 +71,6 @@ import com.android.launcher3.shortcuts.ShortcutKey;
 import com.android.launcher3.shortcuts.ShortcutRequest;
 import com.android.launcher3.util.IntArray;
 import com.android.launcher3.util.PackageManagerHelper;
-import com.android.launcher3.views.Transposable;
 import com.android.launcher3.widget.PendingAddShortcutInfo;
 
 import java.lang.reflect.Method;
@@ -165,7 +163,7 @@ public final class Utilities {
     public static float getDescendantCoordRelativeToAncestor(
             View descendant, View ancestor, float[] coord, boolean includeRootScroll) {
         return getDescendantCoordRelativeToAncestor(descendant, ancestor, coord, includeRootScroll,
-                false, null);
+                false);
     }
 
     /**
@@ -178,15 +176,12 @@ public final class Utilities {
      * @param includeRootScroll Whether or not to account for the scroll of the descendant:
      *          sometimes this is relevant as in a child's coordinates within the descendant.
      * @param ignoreTransform If true, view transform is ignored
-     * @param outRotation If not null, and {@param ignoreTransform} is true, this is set to the
-     *                   overall rotation of the view in degrees.
      * @return The factor by which this descendant is scaled relative to this DragLayer. Caution
      *         this scale factor is assumed to be equal in X and Y, and so if at any point this
      *         assumption fails, we will need to return a pair of scale factors.
      */
     public static float getDescendantCoordRelativeToAncestor(View descendant, View ancestor,
-            float[] coord, boolean includeRootScroll, boolean ignoreTransform,
-            float[] outRotation) {
+            float[] coord, boolean includeRootScroll, boolean ignoreTransform) {
         float scale = 1.0f;
         View v = descendant;
         while(v != ancestor && v != null) {
@@ -196,19 +191,7 @@ public final class Utilities {
                 offsetPoints(coord, -v.getScrollX(), -v.getScrollY());
             }
 
-            if (ignoreTransform) {
-                if (v instanceof Transposable) {
-                    RotationMode m = ((Transposable) v).getRotationMode();
-                    if (m.isTransposed) {
-                        sMatrix.setRotate(m.surfaceRotation, v.getPivotX(), v.getPivotY());
-                        sMatrix.mapPoints(coord);
-
-                        if (outRotation != null) {
-                            outRotation[0] += m.surfaceRotation;
-                        }
-                    }
-                }
-            } else {
+            if (!ignoreTransform) {
                 v.getMatrix().mapPoints(coord);
             }
             offsetPoints(coord, v.getLeft(), v.getTop());

src/com/android/launcher3/Workspace.java

@@ -75,7 +75,6 @@ import com.android.launcher3.folder.FolderIcon;
 import com.android.launcher3.folder.PreviewBackground;
 import com.android.launcher3.graphics.DragPreviewProvider;
 import com.android.launcher3.graphics.PreloadIconDrawable;
-import com.android.launcher3.graphics.RotationMode;
 import com.android.launcher3.icons.BitmapRenderer;
 import com.android.launcher3.logging.UserEventDispatcher;
 import com.android.launcher3.pageindicators.WorkspacePageIndicator;
@@ -125,7 +124,7 @@ public class Workspace extends PagedView<WorkspacePageIndicator>
 
     private static final int ADJACENT_SCREEN_DROP_DURATION = 300;
 
-    private static final int DEFAULT_PAGE = 0;
+    public static final int DEFAULT_PAGE = 0;
 
     private LayoutTransition mLayoutTransition;
     @Thunk final WallpaperManager mWallpaperManager;
@@ -276,20 +275,13 @@ public class Workspace extends PagedView<WorkspacePageIndicator>
     @Override
     public void setInsets(Rect insets) {
         DeviceProfile grid = mLauncher.getDeviceProfile();
-        DeviceProfile stableGrid = mLauncher.getWallpaperDeviceProfile();
 
-        mMaxDistanceForFolderCreation = stableGrid.isTablet
-                ? 0.75f * stableGrid.iconSizePx
-                : 0.55f * stableGrid.iconSizePx;
+        mMaxDistanceForFolderCreation = grid.isTablet
+                ? 0.75f * grid.iconSizePx : 0.55f * grid.iconSizePx;
         mWorkspaceFadeInAdjacentScreens = grid.shouldFadeAdjacentWorkspaceScreens();
 
-        Rect padding = stableGrid.workspacePadding;
-
-        RotationMode rotationMode = mLauncher.getRotationMode();
-
-        rotationMode.mapRect(padding, mTempRect);
-        setPadding(mTempRect.left, mTempRect.top, mTempRect.right, mTempRect.bottom);
-        rotationMode.mapRect(stableGrid.getInsets(), mInsets);
+        Rect padding = grid.workspacePadding;
+        setPadding(padding.left, padding.top, padding.right, padding.bottom);
 
         if (mWorkspaceFadeInAdjacentScreens) {
             // In landscape mode the page spacing is set to the default.
@@ -302,12 +294,11 @@ public class Workspace extends PagedView<WorkspacePageIndicator>
         }
 
 
-        int paddingLeftRight = stableGrid.cellLayoutPaddingLeftRightPx;
-        int paddingBottom = stableGrid.cellLayoutBottomPaddingPx;
+        int paddingLeftRight = grid.cellLayoutPaddingLeftRightPx;
+        int paddingBottom = grid.cellLayoutBottomPaddingPx;
         for (int i = mWorkspaceScreens.size() - 1; i >= 0; i--) {
-            CellLayout page = mWorkspaceScreens.valueAt(i);
-            page.setRotationMode(rotationMode);
-            page.setPadding(paddingLeftRight, 0, paddingLeftRight, paddingBottom);
+            mWorkspaceScreens.valueAt(i)
+                    .setPadding(paddingLeftRight, 0, paddingLeftRight, paddingBottom);
         }
     }
 
@@ -327,7 +318,7 @@ public class Workspace extends PagedView<WorkspacePageIndicator>
 
             float scale = 1;
             if (isWidget) {
-                DeviceProfile profile = mLauncher.getWallpaperDeviceProfile();
+                DeviceProfile profile = mLauncher.getDeviceProfile();
                 scale = Utilities.shrinkRect(r, profile.appWidgetScale.x, profile.appWidgetScale.y);
             }
             size[0] = r.width();
@@ -555,10 +546,9 @@ public class Workspace extends PagedView<WorkspacePageIndicator>
         // created CellLayout.
         CellLayout newScreen = (CellLayout) LayoutInflater.from(getContext()).inflate(
                         R.layout.workspace_screen, this, false /* attachToRoot */);
-        DeviceProfile grid = mLauncher.getWallpaperDeviceProfile();
+        DeviceProfile grid = mLauncher.getDeviceProfile();
         int paddingLeftRight = grid.cellLayoutPaddingLeftRightPx;
         int paddingBottom = grid.cellLayoutBottomPaddingPx;
-        newScreen.setRotationMode(mLauncher.getRotationMode());
         newScreen.setPadding(paddingLeftRight, 0, paddingLeftRight, paddingBottom);
 
         mWorkspaceScreens.put(screenId, newScreen);

src/com/android/launcher3/WorkspaceStateTransitionAnimation.java

@@ -104,10 +104,8 @@ public class WorkspaceStateTransitionAnimation {
             Interpolator scaleInterpolator = config.getInterpolator(ANIM_WORKSPACE_SCALE, ZOOM_OUT);
             propertySetter.setFloat(mWorkspace, SCALE_PROPERTY, mNewScale, scaleInterpolator);
 
-            if (!hotseat.getRotationMode().isTransposed) {
-                setPivotToScaleWithWorkspace(hotseat);
-                setPivotToScaleWithWorkspace(qsbScaleView);
-            }
+            setPivotToScaleWithWorkspace(hotseat);
+            setPivotToScaleWithWorkspace(qsbScaleView);
             float hotseatScale = hotseatScaleAndTranslation.scale;
             Interpolator hotseatScaleInterpolator = config.getInterpolator(ANIM_HOTSEAT_SCALE,
                     scaleInterpolator);

src/com/android/launcher3/accessibility/LauncherAccessibilityDelegate.java

@@ -56,6 +56,7 @@ public class LauncherAccessibilityDelegate extends AccessibilityDelegate impleme
     public static final int REMOVE = R.id.action_remove;
     public static final int UNINSTALL = R.id.action_uninstall;
     public static final int DISMISS_PREDICTION = R.id.action_dismiss_prediction;
+    public static final int PIN_PREDICTION = R.id.action_pin_prediction;
     public static final int RECONFIGURE = R.id.action_reconfigure;
     protected static final int ADD_TO_WORKSPACE = R.id.action_add_to_workspace;
     protected static final int MOVE = R.id.action_move;
@@ -120,6 +121,10 @@ public class LauncherAccessibilityDelegate extends AccessibilityDelegate impleme
         if (!(host.getTag() instanceof ItemInfo)) return;
         ItemInfo item = (ItemInfo) host.getTag();
 
+        if (host instanceof AccessibilityActionHandler) {
+            ((AccessibilityActionHandler) host).addSupportedAccessibilityActions(info);
+        }
+
         // If the request came from keyboard, do not add custom shortcuts as that is already
         // exposed as a direct shortcut
         if (!fromKeyboard && ShortcutUtil.supportsShortcuts(item)) {
@@ -157,14 +162,14 @@ public class LauncherAccessibilityDelegate extends AccessibilityDelegate impleme
     }
 
     private boolean itemSupportsLongClick(View host, ItemInfo info) {
-        return new CustomActionsPopup(mLauncher, host).canShow()
-                || ShortcutUtil.supportsShortcuts(info);
+        return PopupContainerWithArrow.canShow(host, info)
+                || new CustomActionsPopup(mLauncher, host).canShow();
     }
 
     private boolean itemSupportsAccessibleDrag(ItemInfo item) {
         if (item instanceof WorkspaceItemInfo) {
             // Support the action unless the item is in a context menu.
-            return item.screenId >= 0;
+            return item.screenId >= 0 && item.container != Favorites.CONTAINER_HOTSEAT_PREDICTION;
         }
         return (item instanceof LauncherAppWidgetInfo)
                 || (item instanceof FolderInfo);
@@ -181,7 +186,7 @@ public class LauncherAccessibilityDelegate extends AccessibilityDelegate impleme
 
     public boolean performAction(final View host, final ItemInfo item, int action) {
         if (action == ACTION_LONG_CLICK) {
-            if (ShortcutUtil.supportsShortcuts(item)) {
+            if (PopupContainerWithArrow.canShow(host, item)) {
                 // Long press should be consumed for workspace items, and it should invoke the
                 // Shortcuts / Notifications / Actions pop-up menu, and not start a drag as the
                 // standard long press path does.
@@ -195,7 +200,10 @@ public class LauncherAccessibilityDelegate extends AccessibilityDelegate impleme
                 }
             }
         }
-
+        if (host instanceof AccessibilityActionHandler
+                && ((AccessibilityActionHandler) host).performAccessibilityAction(action, item)) {
+            return true;
+        }
         if (action == MOVE) {
             beginAccessibleDrag(host, item);
         } else if (action == ADD_TO_WORKSPACE) {
@@ -466,4 +474,20 @@ public class LauncherAccessibilityDelegate extends AccessibilityDelegate impleme
         }
         return screenId;
     }
+
+    /**
+     * An interface allowing views to handle their own action.
+     */
+    public interface AccessibilityActionHandler {
+
+        /**
+         * performs accessibility action and returns true on success
+         */
+        boolean performAccessibilityAction(int action, ItemInfo itemInfo);
+
+        /**
+         * adds all the accessibility actions that can be handled.
+         */
+        void addSupportedAccessibilityActions(AccessibilityNodeInfo accessibilityNodeInfo);
+    }
 }

src/com/android/launcher3/allapps/AllAppsPagedView.java

@@ -83,7 +83,7 @@ public class AllAppsPagedView extends PagedView<PersonalWorkSlidingTabStrip> {
     }
 
     @Override
-    protected boolean isVerticalScrollable() {
-        return false;
+    protected boolean canScroll(float absVScroll, float absHScroll) {
+        return (absHScroll > absVScroll) && super.canScroll(absVScroll, absHScroll);
     }
 }

src/com/android/launcher3/allapps/AllAppsTransitionController.java

@@ -123,8 +123,8 @@ public class AllAppsTransitionController implements StateHandler, OnDeviceProfil
 
         // Use a light system UI (dark icons) if all apps is behind at least half of the
         // status bar.
-        boolean forceChange = shiftCurrent - mScrimView.getDragHandleSize()
-                <= mLauncher.getDeviceProfile().getInsets().top / 2;
+        boolean forceChange = Math.min(shiftCurrent, mScrimView.getVisualTop())
+                <= mLauncher.getDeviceProfile().getInsets().top / 2f;
         if (forceChange) {
             mLauncher.getSystemUiController().updateUiState(UI_STATE_ALL_APPS, !mIsDarkTheme);
         } else {
@@ -212,9 +212,9 @@ public class AllAppsTransitionController implements StateHandler, OnDeviceProfil
         return AnimationSuccessListener.forRunnable(this::onProgressAnimationEnd);
     }
 
-    public void setupViews(AllAppsContainerView appsView) {
+    public void setupViews(AllAppsContainerView appsView, ScrimView scrimView) {
         mAppsView = appsView;
-        mScrimView = mLauncher.findViewById(R.id.scrim_view);
+        mScrimView = scrimView;
     }
 
     /**

src/com/android/launcher3/config/FeatureFlags.java

@@ -95,9 +95,6 @@ public final class FeatureFlags {
     public static final BooleanFlag ENABLE_HINTS_IN_OVERVIEW = getDebugFlag(
             "ENABLE_HINTS_IN_OVERVIEW", false, "Show chip hints and gleams on the overview screen");
 
-    public static final BooleanFlag FAKE_LANDSCAPE_UI = getDebugFlag(
-            "FAKE_LANDSCAPE_UI", false, "Rotate launcher UI instead of using transposed layout");
-
     public static final BooleanFlag FOLDER_NAME_SUGGEST = new DeviceFlag(
             "FOLDER_NAME_SUGGEST", true,
             "Suggests folder names instead of blank text.");

src/com/android/launcher3/dragndrop/DragLayer.java

@@ -17,10 +17,6 @@
 
 package com.android.launcher3.dragndrop;
 
-import static android.view.View.MeasureSpec.EXACTLY;
-import static android.view.View.MeasureSpec.getMode;
-import static android.view.View.MeasureSpec.getSize;
-
 import static com.android.launcher3.anim.Interpolators.DEACCEL_1_5;
 import static com.android.launcher3.compat.AccessibilityManagerCompat.sendCustomAccessibilityEvent;
 
@@ -34,14 +30,12 @@ import android.content.res.Resources;
 import android.graphics.Canvas;
 import android.graphics.Rect;
 import android.util.AttributeSet;
-import android.view.Gravity;
 import android.view.KeyEvent;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.accessibility.AccessibilityEvent;
 import android.view.accessibility.AccessibilityManager;
 import android.view.animation.Interpolator;
-import android.widget.FrameLayout;
 
 import com.android.launcher3.AbstractFloatingView;
 import com.android.launcher3.CellLayout;
@@ -52,12 +46,10 @@ import com.android.launcher3.ShortcutAndWidgetContainer;
 import com.android.launcher3.Workspace;
 import com.android.launcher3.folder.Folder;
 import com.android.launcher3.graphics.OverviewScrim;
-import com.android.launcher3.graphics.RotationMode;
 import com.android.launcher3.graphics.WorkspaceAndHotseatScrim;
 import com.android.launcher3.keyboard.ViewGroupFocusHelper;
 import com.android.launcher3.util.Thunk;
 import com.android.launcher3.views.BaseDragLayer;
-import com.android.launcher3.views.Transposable;
 
 import java.util.ArrayList;
 
@@ -560,145 +552,4 @@ public class DragLayer extends BaseDragLayer<Launcher> {
     public OverviewScrim getOverviewScrim() {
         return mOverviewScrim;
     }
-
-    @Override
-    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
-        RotationMode rotation = mActivity.getRotationMode();
-        int count = getChildCount();
-
-        if (!rotation.isTransposed
-                || getMode(widthMeasureSpec) != EXACTLY
-                || getMode(heightMeasureSpec) != EXACTLY) {
-
-            for (int i = 0; i < count; i++) {
-                final View child = getChildAt(i);
-                child.setRotation(rotation.surfaceRotation);
-            }
-            super.onMeasure(widthMeasureSpec, heightMeasureSpec);
-        } else {
-
-            for (int i = 0; i < count; i++) {
-                final View child = getChildAt(i);
-                if (child.getVisibility() == GONE) {
-                    continue;
-                }
-                if (!(child instanceof Transposable)) {
-                    measureChildWithMargins(child, widthMeasureSpec, 0, heightMeasureSpec, 0);
-                } else {
-                    measureChildWithMargins(child, heightMeasureSpec, 0, widthMeasureSpec, 0);
-
-                    child.setPivotX(child.getMeasuredWidth() / 2);
-                    child.setPivotY(child.getMeasuredHeight() / 2);
-                    child.setRotation(rotation.surfaceRotation);
-                }
-            }
-            setMeasuredDimension(getSize(widthMeasureSpec), getSize(heightMeasureSpec));
-        }
-    }
-
-    @Override
-    protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
-        RotationMode rotation = mActivity.getRotationMode();
-        if (!rotation.isTransposed) {
-            super.onLayout(changed, left, top, right, bottom);
-            return;
-        }
-
-        final int count = getChildCount();
-
-        final int parentWidth = right - left;
-        final int parentHeight = bottom - top;
-
-        for (int i = 0; i < count; i++) {
-            final View child = getChildAt(i);
-            if (child.getVisibility() == GONE) {
-                continue;
-            }
-
-            final FrameLayout.LayoutParams lp = (FrameLayout.LayoutParams) child.getLayoutParams();
-
-            if (lp instanceof LayoutParams) {
-                final LayoutParams dlp = (LayoutParams) lp;
-                if (dlp.customPosition) {
-                    child.layout(dlp.x, dlp.y, dlp.x + dlp.width, dlp.y + dlp.height);
-                    continue;
-                }
-            }
-
-            final int width = child.getMeasuredWidth();
-            final int height = child.getMeasuredHeight();
-
-            int childLeft;
-            int childTop;
-
-            int gravity = lp.gravity;
-            if (gravity == -1) {
-                gravity = Gravity.TOP | Gravity.START;
-            }
-
-            final int layoutDirection = getLayoutDirection();
-
-            int absoluteGravity = Gravity.getAbsoluteGravity(gravity, layoutDirection);
-
-            if (child instanceof Transposable) {
-                absoluteGravity = rotation.toNaturalGravity(absoluteGravity);
-
-                switch (absoluteGravity & Gravity.HORIZONTAL_GRAVITY_MASK) {
-                    case Gravity.CENTER_HORIZONTAL:
-                        childTop = (parentHeight - height) / 2 +
-                                lp.topMargin - lp.bottomMargin;
-                        break;
-                    case Gravity.RIGHT:
-                        childTop = width / 2 + lp.rightMargin - height / 2;
-                        break;
-                    case Gravity.LEFT:
-                    default:
-                        childTop = parentHeight - lp.leftMargin - width / 2 - height / 2;
-                }
-
-                switch (absoluteGravity & Gravity.VERTICAL_GRAVITY_MASK) {
-                    case Gravity.CENTER_VERTICAL:
-                        childLeft = (parentWidth - width) / 2 +
-                                lp.leftMargin - lp.rightMargin;
-                        break;
-                    case Gravity.BOTTOM:
-                        childLeft = parentWidth - width / 2 - height / 2 - lp.bottomMargin;
-                        break;
-                    case Gravity.TOP:
-                    default:
-                        childLeft = height / 2 - width / 2 + lp.topMargin;
-                }
-            } else {
-                switch (absoluteGravity & Gravity.HORIZONTAL_GRAVITY_MASK) {
-                    case Gravity.CENTER_HORIZONTAL:
-                        childLeft = (parentWidth - width) / 2 +
-                                lp.leftMargin - lp.rightMargin;
-                        break;
-                    case Gravity.RIGHT:
-                        childLeft = parentWidth - width - lp.rightMargin;
-                        break;
-                    case Gravity.LEFT:
-                    default:
-                        childLeft = lp.leftMargin;
-                }
-
-                switch (absoluteGravity & Gravity.VERTICAL_GRAVITY_MASK) {
-                    case Gravity.TOP:
-                        childTop = lp.topMargin;
-                        break;
-                    case Gravity.CENTER_VERTICAL:
-                        childTop = (parentHeight - height) / 2 +
-                                lp.topMargin - lp.bottomMargin;
-                        break;
-                    case Gravity.BOTTOM:
-                        childTop = parentHeight - height - lp.bottomMargin;
-                        break;
-                    default:
-                        childTop = lp.topMargin;
-                }
-            }
-
-            child.layout(childLeft, childTop, childLeft + width, childTop + height);
-        }
-    }
 }

src/com/android/launcher3/folder/Folder.java

@@ -437,7 +437,7 @@ public class Folder extends AbstractFloatingView implements ClipPathView, DragSo
         }
         mItemsInvalidated = true;
         mInfo.addListener(this);
-        mPreviousLabel = mInfo.title.toString();
+        Optional.ofNullable(mInfo.title).ifPresent(title -> mPreviousLabel = title.toString());
         mIsPreviousLabelSuggested = !mInfo.hasOption(FLAG_MANUAL_FOLDER_NAME);
 
         if (!isEmpty(mInfo.title)) {
@@ -1648,6 +1648,10 @@ public class Folder extends AbstractFloatingView implements ClipPathView, DragSo
         }
     }
 
+    public FolderPagedView getContent() {
+        return mContent;
+    }
+
     private void logEditFolderLabel() {
         LauncherEvent launcherEvent = LauncherEvent.newBuilder()
                 .setAction(Action.newBuilder().setType(Action.Type.SOFT_KEYBOARD))

src/com/android/launcher3/folder/FolderAnimationManager.java

@@ -115,6 +115,7 @@ public class FolderAnimationManager {
      */
     public AnimatorSet getAnimator() {
         final DragLayer.LayoutParams lp = (DragLayer.LayoutParams) mFolder.getLayoutParams();
+        mFolderIcon.getPreviewItemManager().recomputePreviewDrawingParams();
         ClippedFolderIconLayoutRule rule = mFolderIcon.getLayoutRule();
         final List<BubbleTextView> itemsInPreview = getPreviewIconsOnPage(0);
 

src/com/android/launcher3/folder/FolderIcon.java

@@ -172,7 +172,7 @@ public class FolderIcon extends FrameLayout implements FolderListener, IconLabel
                     "is dependent on this");
         }
 
-        DeviceProfile grid = activity.getWallpaperDeviceProfile();
+        DeviceProfile grid = activity.getDeviceProfile();
         FolderIcon icon = (FolderIcon) LayoutInflater.from(group.getContext())
                 .inflate(resId, group, false);
 
@@ -570,8 +570,7 @@ public class FolderIcon extends FrameLayout implements FolderListener, IconLabel
     public void drawDot(Canvas canvas) {
         if (!mForceHideDot && ((mDotInfo != null && mDotInfo.hasDot()) || mDotScale > 0)) {
             Rect iconBounds = mDotParams.iconBounds;
-            BubbleTextView.getIconBounds(this, iconBounds,
-                    mActivity.getWallpaperDeviceProfile().iconSizePx);
+            BubbleTextView.getIconBounds(this, iconBounds, mActivity.getDeviceProfile().iconSizePx);
             float iconScale = (float) mBackground.previewSize / iconBounds.width();
             Utilities.scaleRectAboutCenter(iconBounds, iconScale);
 

src/com/android/launcher3/folder/FolderPagedView.java

@@ -16,6 +16,9 @@
 
 package com.android.launcher3.folder;
 
+import static com.android.launcher3.AbstractFloatingView.TYPE_ALL;
+import static com.android.launcher3.AbstractFloatingView.TYPE_FOLDER;
+
 import android.annotation.SuppressLint;
 import android.content.Context;
 import android.graphics.Canvas;
@@ -27,6 +30,7 @@ import android.view.Gravity;
 import android.view.View;
 import android.view.ViewDebug;
 
+import com.android.launcher3.AbstractFloatingView;
 import com.android.launcher3.BaseActivity;
 import com.android.launcher3.BubbleTextView;
 import com.android.launcher3.CellLayout;
@@ -258,7 +262,7 @@ public class FolderPagedView extends PagedView<PageIndicatorDots> {
     @Override
     protected void onScrollChanged(int l, int t, int oldl, int oldt) {
         super.onScrollChanged(l, t, oldl, oldt);
-        mPageIndicator.setScroll(l, mMaxScroll);
+        if (mMaxScroll > 0) mPageIndicator.setScroll(l, mMaxScroll);
     }
 
     /**
@@ -614,6 +618,12 @@ public class FolderPagedView extends PagedView<PageIndicatorDots> {
         }
     }
 
+    @Override
+    protected boolean canScroll(float absVScroll, float absHScroll) {
+        return AbstractFloatingView.getTopOpenViewWithType(mFolder.mLauncher,
+                TYPE_ALL & ~TYPE_FOLDER) == null;
+    }
+
     public int itemsPerPage() {
         return mOrganizer.getMaxItemsPerPage();
     }

src/com/android/launcher3/folder/PreviewBackground.java

@@ -153,7 +153,7 @@ public class PreviewBackground extends CellLayout.DelegatedCellDrawing {
         mBgColor = ta.getColor(R.styleable.FolderIconPreview_folderFillColor, 0);
         ta.recycle();
 
-        DeviceProfile grid = activity.getWallpaperDeviceProfile();
+        DeviceProfile grid = activity.getDeviceProfile();
         previewSize = grid.folderIconSizePx;
 
         basePreviewOffsetX = (availableSpaceX - previewSize) / 2;

src/com/android/launcher3/graphics/RotationMode.java

@@ -1,48 +0,0 @@
-/*
- * 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.graphics;
-
-import android.content.Context;
-import android.graphics.Rect;
-
-public abstract class RotationMode {
-
-    public static final RotationMode NORMAL = new RotationMode(0) { };
-
-    public final float surfaceRotation;
-    public final boolean isTransposed;
-
-    public RotationMode(float surfaceRotation) {
-        this.surfaceRotation = surfaceRotation;
-        isTransposed = surfaceRotation != 0;
-    }
-
-    public final void mapRect(Rect rect, Rect out) {
-        mapRect(rect.left, rect.top, rect.right, rect.bottom, out);
-    }
-
-    public void mapRect(int left, int top, int right, int bottom, Rect out) {
-        out.set(left, top, right, bottom);
-    }
-
-    public void mapInsets(Context context, Rect insets, Rect out) {
-        out.set(insets);
-    }
-
-    public int toNaturalGravity(int absoluteGravity) {
-        return absoluteGravity;
-    }
-}

src/com/android/launcher3/model/LoaderTask.java

@@ -45,8 +45,6 @@ import android.util.LongSparseArray;
 import android.util.MutableInt;
 import android.util.TimingLogger;
 
-import androidx.annotation.VisibleForTesting;
-
 import com.android.launcher3.AppInfo;
 import com.android.launcher3.FolderInfo;
 import com.android.launcher3.InstallShortcutReceiver;
@@ -282,8 +280,7 @@ public class LoaderTask implements Runnable {
         this.notify();
     }
 
-    @VisibleForTesting
-    void loadWorkspace(List<ShortcutInfo> allDeepShortcuts) {
+    private void loadWorkspace(List<ShortcutInfo> allDeepShortcuts) {
         loadWorkspace(allDeepShortcuts, LauncherSettings.Favorites.CONTENT_URI);
     }
 

src/com/android/launcher3/pageindicators/WorkspacePageIndicator.java

@@ -121,7 +121,7 @@ public class WorkspacePageIndicator extends View implements Insettable, PageIndi
         mLinePaint.setAlpha(0);
 
         mLauncher = Launcher.getLauncher(context);
-        mLineHeight = res.getDimensionPixelSize(R.dimen.dynamic_grid_page_indicator_line_height);
+        mLineHeight = res.getDimensionPixelSize(R.dimen.workspace_page_indicator_line_height);
 
         boolean darkText = WallpaperColorInfo.INSTANCE.get(context).supportsDarkText();
         mActiveAlpha = darkText ? BLACK_ALPHA : WHITE_ALPHA;

src/com/android/launcher3/popup/PopupContainerWithArrow.java

@@ -184,6 +184,13 @@ public class PopupContainerWithArrow<T extends BaseDraggingActivity> extends Arr
         return false;
     }
 
+    /**
+     * Returns true if we can show the container.
+     */
+    public static boolean canShow(View icon, ItemInfo item) {
+        return icon instanceof BubbleTextView && ShortcutUtil.supportsShortcuts(item);
+    }
+
     /**
      * Shows the notifications and deep shortcuts associated with {@param icon}.
      * @return the container if shown or null.
@@ -196,7 +203,7 @@ public class PopupContainerWithArrow<T extends BaseDraggingActivity> extends Arr
             return null;
         }
         ItemInfo item = (ItemInfo) icon.getTag();
-        if (!ShortcutUtil.supportsShortcuts(item)) {
+        if (!canShow(icon, item)) {
             return null;
         }
 

src/com/android/launcher3/states/HintState.java

@@ -17,6 +17,7 @@ package com.android.launcher3.states;
 
 import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherState;
+import com.android.launcher3.LauncherStateManager;
 import com.android.launcher3.Workspace;
 import com.android.launcher3.userevent.nano.LauncherLogProto.ContainerType;
 
@@ -50,8 +51,13 @@ public class HintState extends LauncherState {
 
     @Override
     public void onStateTransitionEnd(Launcher launcher) {
-        launcher.getStateManager().goToState(NORMAL);
+        LauncherStateManager stateManager = launcher.getStateManager();
         Workspace workspace = launcher.getWorkspace();
-        workspace.post(workspace::moveToDefaultScreen);
+        boolean willMoveScreens = workspace.getNextPage() != Workspace.DEFAULT_PAGE;
+        stateManager.goToState(NORMAL, true, willMoveScreens ? null
+                : launcher.getScrimView()::startDragHandleEducationAnim);
+        if (willMoveScreens) {
+            workspace.post(workspace::moveToDefaultScreen);
+        }
     }
 }

src/com/android/launcher3/states/RotationHelper.java

@@ -26,6 +26,7 @@ import static android.util.DisplayMetrics.DENSITY_DEVICE_STABLE;
 import static com.android.launcher3.config.FeatureFlags.FLAG_ENABLE_FIXED_ROTATION_TRANSFORM;
 import static com.android.launcher3.util.Executors.UI_HELPER_EXECUTOR;
 
+import android.app.Activity;
 import android.content.ContentResolver;
 import android.content.SharedPreferences;
 import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
@@ -36,12 +37,9 @@ import android.graphics.RectF;
 import android.provider.Settings;
 import android.view.MotionEvent;
 import android.view.Surface;
-import android.view.WindowManager;
 
-import com.android.launcher3.Launcher;
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
-import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.util.UiThreadHelper;
 
 import java.util.ArrayList;
@@ -77,7 +75,7 @@ public class RotationHelper implements OnSharedPreferenceChangeListener {
     public static final int REQUEST_ROTATE = 1;
     public static final int REQUEST_LOCK = 2;
 
-    private final Launcher mLauncher;
+    private final Activity mActivity;
     private final SharedPreferences mSharedPrefs;
     private final SharedPreferences mFeatureFlagsPrefs;
 
@@ -104,17 +102,16 @@ public class RotationHelper implements OnSharedPreferenceChangeListener {
     // This is used to defer setting rotation flags until the activity is being created
     private boolean mInitialized;
     private boolean mDestroyed;
-    private boolean mRotationHasDifferentUI;
 
     private int mLastActivityFlags = -1;
 
-    public RotationHelper(Launcher launcher) {
-        mLauncher = launcher;
+    public RotationHelper(Activity activity) {
+        mActivity = activity;
 
         // On large devices we do not handle auto-rotate differently.
-        mIgnoreAutoRotateSettings = mLauncher.getResources().getBoolean(R.bool.allow_rotation);
+        mIgnoreAutoRotateSettings = mActivity.getResources().getBoolean(R.bool.allow_rotation);
         if (!mIgnoreAutoRotateSettings) {
-            mSharedPrefs = Utilities.getPrefs(mLauncher);
+            mSharedPrefs = Utilities.getPrefs(mActivity);
             mSharedPrefs.registerOnSharedPreferenceChangeListener(this);
             mAutoRotateEnabled = mSharedPrefs.getBoolean(ALLOW_ROTATION_PREFERENCE_KEY,
                     getAllowRotationDefaultValue());
@@ -122,8 +119,8 @@ public class RotationHelper implements OnSharedPreferenceChangeListener {
             mSharedPrefs = null;
         }
 
-        mContentResolver = launcher.getContentResolver();
-        mFeatureFlagsPrefs = Utilities.getFeatureFlagsPrefs(mLauncher);
+        mContentResolver = activity.getContentResolver();
+        mFeatureFlagsPrefs = Utilities.getFeatureFlagsPrefs(mActivity);
         mFeatureFlagsPrefs.registerOnSharedPreferenceChangeListener(this);
         updateForcedRotation(true);
     }
@@ -144,7 +141,7 @@ public class RotationHelper implements OnSharedPreferenceChangeListener {
             mForcedRotation = isForcedRotation;
         }
         UI_HELPER_EXECUTOR.execute(() -> {
-            if (mLauncher.checkSelfPermission(WRITE_SECURE_SETTINGS) == PERMISSION_GRANTED) {
+            if (mActivity.checkSelfPermission(WRITE_SECURE_SETTINGS) == PERMISSION_GRANTED) {
                 Settings.Global.putInt(mContentResolver, FIXED_ROTATION_TRANSFORM_SETTING_NAME,
                             mForcedRotation ? 1 : 0);
             }
@@ -165,29 +162,6 @@ public class RotationHelper implements OnSharedPreferenceChangeListener {
         mForcedRotationChangedListeners.remove(listener);
     }
 
-    public void setRotationHadDifferentUI(boolean rotationHasDifferentUI) {
-        mRotationHasDifferentUI = rotationHasDifferentUI;
-    }
-
-    public boolean homeScreenCanRotate() {
-        return mRotationHasDifferentUI || mIgnoreAutoRotateSettings || mAutoRotateEnabled
-                || mStateHandlerRequest != REQUEST_NONE
-                || mLauncher.getDeviceProfile().isMultiWindowMode;
-    }
-
-    public void updateRotationAnimation() {
-        if (FeatureFlags.FAKE_LANDSCAPE_UI.get()) {
-            WindowManager.LayoutParams lp = mLauncher.getWindow().getAttributes();
-            int oldAnim = lp.rotationAnimation;
-            lp.rotationAnimation = homeScreenCanRotate()
-                    ? WindowManager.LayoutParams.ROTATION_ANIMATION_ROTATE
-                    : WindowManager.LayoutParams.ROTATION_ANIMATION_SEAMLESS;
-            if (oldAnim != lp.rotationAnimation) {
-                mLauncher.getWindow().setAttributes(lp);
-            }
-        }
-    }
-
     @Override
     public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String s) {
         if (FLAG_ENABLE_FIXED_ROTATION_TRANSFORM.equals(s)) {
@@ -199,17 +173,13 @@ public class RotationHelper implements OnSharedPreferenceChangeListener {
         mAutoRotateEnabled = mSharedPrefs.getBoolean(ALLOW_ROTATION_PREFERENCE_KEY,
                 getAllowRotationDefaultValue());
         if (mAutoRotateEnabled != wasRotationEnabled) {
-
             notifyChange();
-            updateRotationAnimation();
-            mLauncher.reapplyUi();
         }
     }
 
     public void setStateHandlerRequest(int request) {
         if (mStateHandlerRequest != request) {
             mStateHandlerRequest = request;
-            updateRotationAnimation();
             notifyChange();
         }
     }
@@ -231,7 +201,7 @@ public class RotationHelper implements OnSharedPreferenceChangeListener {
     // Used by tests only.
     public void forceAllowRotationForTesting(boolean allowRotation) {
         mIgnoreAutoRotateSettings =
-                allowRotation || mLauncher.getResources().getBoolean(R.bool.allow_rotation);
+                allowRotation || mActivity.getResources().getBoolean(R.bool.allow_rotation);
         // TODO(b/150214193) Tests currently expect launcher to be able to be rotated
         //   Modify tests for this new behavior
         mForcedRotation = !allowRotation;
@@ -243,7 +213,6 @@ public class RotationHelper implements OnSharedPreferenceChangeListener {
         if (!mInitialized) {
             mInitialized = true;
             notifyChange();
-            updateRotationAnimation();
         }
     }
 
@@ -285,7 +254,7 @@ public class RotationHelper implements OnSharedPreferenceChangeListener {
         }
         if (activityFlags != mLastActivityFlags) {
             mLastActivityFlags = activityFlags;
-            UiThreadHelper.setOrientationAsync(mLauncher, activityFlags);
+            UiThreadHelper.setOrientationAsync(mActivity, activityFlags);
         }
     }
 

src/com/android/launcher3/testing/TestInformationHandler.java

@@ -184,6 +184,10 @@ public class TestInformationHandler implements ResourceBasedOverride {
                         mDeviceProfile.allAppsCellHeightPx);
                 break;
             }
+
+            case TestProtocol.REQUEST_MOCK_SENSOR_ROTATION:
+                TestProtocol.sDisableSensorRotation = true;
+                break;
         }
         return response;
     }

src/com/android/launcher3/testing/TestProtocol.java

@@ -92,6 +92,9 @@ public final class TestProtocol {
 
     public static final String REQUEST_OVERVIEW_ACTIONS_ENABLED = "overview-actions-enabled";
 
+    public static boolean sDisableSensorRotation;
+    public static final String REQUEST_MOCK_SENSOR_ROTATION = "mock-sensor-rotation";
+
     public static final String PERMANENT_DIAG_TAG = "TaplTarget";
 
     public static final String NO_BACKGROUND_TO_OVERVIEW_TAG = "b/138251824";

src/com/android/launcher3/touch/LandscapePagedViewHandler.java

@@ -16,8 +16,11 @@
 
 package com.android.launcher3.touch;
 
+import static com.android.launcher3.LauncherAnimUtils.VIEW_TRANSLATE_X;
+import static com.android.launcher3.LauncherAnimUtils.VIEW_TRANSLATE_Y;
+import static com.android.launcher3.touch.SingleAxisSwipeDetector.HORIZONTAL;
+
 import android.content.res.Resources;
-import android.graphics.Matrix;
 import android.graphics.PointF;
 import android.graphics.Rect;
 import android.graphics.RectF;
@@ -32,13 +35,8 @@ import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.LauncherState.ScaleAndTranslation;
 import com.android.launcher3.PagedView;
 import com.android.launcher3.Utilities;
-import com.android.launcher3.states.RotationHelper;
 import com.android.launcher3.util.OverScroller;
 
-import static com.android.launcher3.LauncherAnimUtils.VIEW_TRANSLATE_X;
-import static com.android.launcher3.LauncherAnimUtils.VIEW_TRANSLATE_Y;
-import static com.android.launcher3.touch.SingleAxisSwipeDetector.HORIZONTAL;
-
 public class LandscapePagedViewHandler implements PagedOrientationHandler {
 
     @Override
@@ -67,12 +65,11 @@ public class LandscapePagedViewHandler implements PagedOrientationHandler {
     }
 
     @Override
-    public CurveProperties getCurveProperties(PagedView pagedView, Rect mInsets) {
-        int scroll = pagedView.getScrollY();
-        final int halfPageSize = pagedView.getNormalChildHeight() / 2;
-        final int screenCenter = mInsets.top + pagedView.getPaddingTop() + scroll + halfPageSize;
-        final int halfScreenSize = pagedView.getMeasuredHeight() / 2;
-        return new CurveProperties(scroll, halfPageSize, screenCenter, halfScreenSize);
+    public void getCurveProperties(PagedView view, Rect mInsets, CurveProperties out) {
+        out.scroll = view.getScrollY();
+        out.halfPageSize = view.getNormalChildHeight() / 2;
+        out.halfScreenSize = view.getMeasuredHeight() / 2;
+        out.screenCenter = mInsets.top + view.getPaddingTop() + out.scroll + out.halfPageSize;
     }
 
     @Override

src/com/android/launcher3/touch/PagedOrientationHandler.java

@@ -83,7 +83,7 @@ public interface PagedOrientationHandler {
     void delegateScrollTo(PagedView pagedView, int primaryScroll);
     void delegateScrollBy(PagedView pagedView, int unboundedScroll, int x, int y);
     void scrollerStartScroll(OverScroller scroller, int newPosition);
-    CurveProperties getCurveProperties(PagedView pagedView, Rect insets);
+    void getCurveProperties(PagedView view, Rect mInsets, CurveProperties out);
     boolean isGoingUp(float displacement);
 
     /**
@@ -92,18 +92,12 @@ public interface PagedOrientationHandler {
      */
     void adjustFloatingIconStartVelocity(PointF velocity);
 
-    class CurveProperties {
-        public final int scroll;
-        public final int halfPageSize;
-        public final int screenCenter;
-        public final int halfScreenSize;
 
-        public CurveProperties(int scroll, int halfPageSize, int screenCenter, int halfScreenSize) {
-            this.scroll = scroll;
-            this.halfPageSize = halfPageSize;
-            this.screenCenter = screenCenter;
-            this.halfScreenSize = halfScreenSize;
-        }
+    class CurveProperties {
+        public int scroll;
+        public int halfPageSize;
+        public int screenCenter;
+        public int halfScreenSize;
     }
 
     class ChildBounds {

src/com/android/launcher3/touch/PortraitPagedViewHandler.java

@@ -16,8 +16,11 @@
 
 package com.android.launcher3.touch;
 
+import static com.android.launcher3.LauncherAnimUtils.VIEW_TRANSLATE_X;
+import static com.android.launcher3.LauncherAnimUtils.VIEW_TRANSLATE_Y;
+import static com.android.launcher3.touch.SingleAxisSwipeDetector.VERTICAL;
+
 import android.content.res.Resources;
-import android.graphics.Matrix;
 import android.graphics.PointF;
 import android.graphics.Rect;
 import android.graphics.RectF;
@@ -32,13 +35,8 @@ import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.LauncherState.ScaleAndTranslation;
 import com.android.launcher3.PagedView;
 import com.android.launcher3.Utilities;
-import com.android.launcher3.states.RotationHelper;
 import com.android.launcher3.util.OverScroller;
 
-import static com.android.launcher3.LauncherAnimUtils.VIEW_TRANSLATE_X;
-import static com.android.launcher3.LauncherAnimUtils.VIEW_TRANSLATE_Y;
-import static com.android.launcher3.touch.SingleAxisSwipeDetector.VERTICAL;
-
 public class PortraitPagedViewHandler implements PagedOrientationHandler {
 
     @Override
@@ -67,12 +65,11 @@ public class PortraitPagedViewHandler implements PagedOrientationHandler {
     }
 
     @Override
-    public CurveProperties getCurveProperties(PagedView pagedView, Rect mInsets) {
-        int scroll = pagedView.getScrollX();
-        final int halfPageSize = pagedView.getNormalChildWidth() / 2;
-        final int screenCenter = mInsets.left + pagedView.getPaddingLeft() + scroll + halfPageSize;
-        final int halfScreenSize = pagedView.getMeasuredWidth() / 2;
-        return new CurveProperties(scroll, halfPageSize, screenCenter, halfScreenSize);
+    public void getCurveProperties(PagedView view, Rect mInsets, CurveProperties out) {
+        out.scroll = view.getScrollX();
+        out.halfPageSize = view.getNormalChildWidth() / 2;
+        out.halfScreenSize = view.getMeasuredWidth() / 2;
+        out.screenCenter = mInsets.left + view.getPaddingLeft() + out.scroll + out.halfPageSize;
     }
 
     @Override

src/com/android/launcher3/views/ActivityContext.java

@@ -22,7 +22,6 @@ import android.view.View.AccessibilityDelegate;
 
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.ItemInfo;
-import com.android.launcher3.graphics.RotationMode;
 import com.android.launcher3.dot.DotInfo;
 
 /**
@@ -57,19 +56,6 @@ public interface ActivityContext {
 
     DeviceProfile getDeviceProfile();
 
-    /**
-     * Device profile to be used by UI elements which are shown directly on top of the wallpaper
-     * and whose presentation is tied to the wallpaper (and physical device) and not the activity
-     * configuration.
-     */
-    default DeviceProfile getWallpaperDeviceProfile() {
-        return getDeviceProfile();
-    }
-
-    default RotationMode getRotationMode() {
-        return RotationMode.NORMAL;
-    }
-
     static ActivityContext lookupContext(Context context) {
         if (context instanceof ActivityContext) {
             return (ActivityContext) context;

src/com/android/launcher3/views/FloatingIconView.java

@@ -92,8 +92,6 @@ public class FloatingIconView extends FrameLayout implements
     private ClipIconView mClipIconView;
     private @Nullable Drawable mBadge;
 
-    private float mRotation;
-
     private View mOriginalIcon;
     private RectF mPositionOut;
     private Runnable mOnTargetChangeRunnable;
@@ -194,18 +192,17 @@ public class FloatingIconView extends FrameLayout implements
      * @param positionOut Rect that will hold the size and position of v.
      */
     private void matchPositionOf(Launcher launcher, View v, boolean isOpening, RectF positionOut) {
-        float rotation = getLocationBoundsForView(launcher, v, isOpening, positionOut);
+        getLocationBoundsForView(launcher, v, isOpening, positionOut);
         final InsettableFrameLayout.LayoutParams lp = new InsettableFrameLayout.LayoutParams(
                 Math.round(positionOut.width()),
                 Math.round(positionOut.height()));
-        updatePosition(rotation, positionOut, lp);
+        updatePosition(positionOut, lp);
         setLayoutParams(lp);
 
         mClipIconView.setLayoutParams(new FrameLayout.LayoutParams(lp.width, lp.height));
     }
 
-    private void updatePosition(float rotation, RectF pos, InsettableFrameLayout.LayoutParams lp) {
-        mRotation = rotation;
+    private void updatePosition(RectF pos, InsettableFrameLayout.LayoutParams lp) {
         mPositionOut.set(pos);
         lp.ignoreInsets = true;
         // Position the floating view exactly on top of the original
@@ -228,7 +225,7 @@ public class FloatingIconView extends FrameLayout implements
      * - For DeepShortcutView, we return the bounds of the icon view.
      * - For BubbleTextView, we return the icon bounds.
      */
-    private static float getLocationBoundsForView(Launcher launcher, View v, boolean isOpening,
+    private static void getLocationBoundsForView(Launcher launcher, View v, boolean isOpening,
             RectF outRect) {
         boolean ignoreTransform = !isOpening;
         if (v instanceof DeepShortcutView) {
@@ -239,7 +236,7 @@ public class FloatingIconView extends FrameLayout implements
             ignoreTransform = false;
         }
         if (v == null) {
-            return 0;
+            return;
         }
 
         Rect iconBounds = new Rect();
@@ -253,15 +250,13 @@ public class FloatingIconView extends FrameLayout implements
 
         float[] points = new float[] {iconBounds.left, iconBounds.top, iconBounds.right,
                 iconBounds.bottom};
-        float[] rotation = new float[] {0};
         Utilities.getDescendantCoordRelativeToAncestor(v, launcher.getDragLayer(), points,
-                false, ignoreTransform, rotation);
+                false, ignoreTransform);
         outRect.set(
                 Math.min(points[0], points[2]),
                 Math.min(points[1], points[3]),
                 Math.max(points[0], points[2]),
                 Math.max(points[1], points[3]));
-        return rotation[0];
     }
 
     /**
@@ -443,14 +438,10 @@ public class FloatingIconView extends FrameLayout implements
 
     @Override
     protected void dispatchDraw(Canvas canvas) {
-        int count = canvas.save();
-        canvas.rotate(mRotation,
-                mFinalDrawableBounds.exactCenterX(), mFinalDrawableBounds.exactCenterY());
         super.dispatchDraw(canvas);
         if (mBadge != null) {
             mBadge.draw(canvas);
         }
-        canvas.restoreToCount(count);
     }
 
     public void fastFinish() {
@@ -487,11 +478,10 @@ public class FloatingIconView extends FrameLayout implements
     @Override
     public void onGlobalLayout() {
         if (mOriginalIcon.isAttachedToWindow() && mPositionOut != null) {
-            float rotation = getLocationBoundsForView(mLauncher, mOriginalIcon, mIsOpening,
+            getLocationBoundsForView(mLauncher, mOriginalIcon, mIsOpening,
                     sTmpRectF);
-            if (rotation != mRotation || !sTmpRectF.equals(mPositionOut)) {
-                updatePosition(rotation, sTmpRectF,
-                        (InsettableFrameLayout.LayoutParams) getLayoutParams());
+            if (!sTmpRectF.equals(mPositionOut)) {
+                updatePosition(sTmpRectF, (InsettableFrameLayout.LayoutParams) getLayoutParams());
                 if (mOnTargetChangeRunnable != null) {
                     mOnTargetChangeRunnable.run();
                 }

src/com/android/launcher3/views/ScrimView.java

@@ -22,8 +22,10 @@ import static androidx.core.graphics.ColorUtils.compositeColors;
 
 import static com.android.launcher3.LauncherState.ALL_APPS;
 import static com.android.launcher3.LauncherState.NORMAL;
-import static com.android.launcher3.anim.Interpolators.ACCEL;
+import static com.android.launcher3.anim.Interpolators.ACCEL_DEACCEL;
 import static com.android.launcher3.anim.Interpolators.DEACCEL;
+import static com.android.launcher3.anim.Interpolators.LINEAR;
+import static com.android.launcher3.anim.Interpolators.clampToProgress;
 import static com.android.launcher3.icons.GraphicsUtils.setColorAlphaBound;
 
 import android.animation.Animator;
@@ -33,8 +35,10 @@ import android.animation.ObjectAnimator;
 import android.animation.PropertyValuesHolder;
 import android.animation.RectEvaluator;
 import android.content.Context;
+import android.content.res.Resources;
 import android.graphics.Canvas;
 import android.graphics.Color;
+import android.graphics.Point;
 import android.graphics.Rect;
 import android.graphics.RectF;
 import android.graphics.drawable.Drawable;
@@ -98,6 +102,12 @@ public class ScrimView<T extends Launcher> extends View implements Insettable, O
     private static final int SETTINGS = R.string.settings_button_text;
     private static final int ALPHA_CHANNEL_COUNT = 1;
 
+    private static final long DRAG_HANDLE_BOUNCE_DURATION_MS = 300;
+    // How much to delay before repeating the bounce.
+    private static final long DRAG_HANDLE_BOUNCE_DELAY_MS = 200;
+    // Repeat this many times (i.e. total number of bounces is 1 + this).
+    private static final int DRAG_HANDLE_BOUNCE_REPEAT_COUNT = 2;
+
     private final Rect mTempRect = new Rect();
     private final int[] mTempPos = new int[2];
 
@@ -115,10 +125,13 @@ public class ScrimView<T extends Launcher> extends View implements Insettable, O
     protected int mEndFlatColor;
     protected int mEndFlatColorAlpha;
 
-    protected final int mDragHandleSize;
+    protected final Point mDragHandleSize;
+    private final int mDragHandleTouchSize;
+    private final int mDragHandlePaddingInVerticalBarLayout;
     protected float mDragHandleOffset;
     private final Rect mDragHandleBounds;
     private final RectF mHitRect = new RectF();
+    private ObjectAnimator mDragHandleAnim;
 
     private final MultiValueAlpha mMultiValueAlpha;
 
@@ -136,9 +149,13 @@ public class ScrimView<T extends Launcher> extends View implements Insettable, O
 
         mMaxScrimAlpha = 0.7f;
 
-        mDragHandleSize = context.getResources()
-                .getDimensionPixelSize(R.dimen.vertical_drag_handle_size);
-        mDragHandleBounds = new Rect(0, 0, mDragHandleSize, mDragHandleSize);
+        Resources res = context.getResources();
+        mDragHandleSize = new Point(res.getDimensionPixelSize(R.dimen.vertical_drag_handle_width),
+                res.getDimensionPixelSize(R.dimen.vertical_drag_handle_height));
+        mDragHandleBounds = new Rect(0, 0, mDragHandleSize.x, mDragHandleSize.y);
+        mDragHandleTouchSize = res.getDimensionPixelSize(R.dimen.vertical_drag_handle_touch_size);
+        mDragHandlePaddingInVerticalBarLayout = context.getResources()
+                .getDimensionPixelSize(R.dimen.vertical_drag_handle_padding_in_vertical_bar_layout);
 
         mAccessibilityHelper = createAccessibilityHelper();
         ViewCompat.setAccessibilityDelegate(this, mAccessibilityHelper);
@@ -204,6 +221,7 @@ public class ScrimView<T extends Launcher> extends View implements Insettable, O
     public void setProgress(float progress) {
         if (mProgress != progress) {
             mProgress = progress;
+            stopDragHandleEducationAnim();
             updateColors();
             updateDragHandleAlpha();
             invalidate();
@@ -251,70 +269,103 @@ public class ScrimView<T extends Launcher> extends View implements Insettable, O
 
     @Override
     public boolean onTouchEvent(MotionEvent event) {
-        boolean value = super.onTouchEvent(event);
-        if (!value && mDragHandle != null && event.getAction() == ACTION_DOWN
-                && mDragHandle.getAlpha() == 255
-                && mHitRect.contains(event.getX(), event.getY())) {
-
-            final Drawable drawable = mDragHandle;
-            mDragHandle = null;
-
-            Rect bounds = new Rect(mDragHandleBounds);
-            bounds.offset(0, -(int) mDragHandleOffset);
-            drawable.setBounds(bounds);
-
-            Rect topBounds = new Rect(bounds);
-            topBounds.offset(0, -bounds.height() / 2);
-
-            Rect invalidateRegion = new Rect(bounds);
-            invalidateRegion.top = topBounds.top;
-
-            Keyframe frameTop = Keyframe.ofObject(0.6f, topBounds);
-            frameTop.setInterpolator(DEACCEL);
-            Keyframe frameBot = Keyframe.ofObject(1, bounds);
-            frameBot.setInterpolator(ACCEL);
-            PropertyValuesHolder holder = PropertyValuesHolder .ofKeyframe("bounds",
-                    Keyframe.ofObject(0, bounds), frameTop, frameBot);
-            holder.setEvaluator(new RectEvaluator());
-
-            ObjectAnimator anim = ObjectAnimator.ofPropertyValuesHolder(drawable, holder);
-            anim.addListener(new AnimatorListenerAdapter() {
-                @Override
-                public void onAnimationEnd(Animator animation) {
-                    getOverlay().remove(drawable);
-                    updateDragHandleVisibility(drawable);
+        boolean superHandledTouch = super.onTouchEvent(event);
+        if (event.getAction() == ACTION_DOWN) {
+            if (!superHandledTouch && mHitRect.contains(event.getX(), event.getY())) {
+                if (startDragHandleEducationAnim()) {
+                    return true;
                 }
-            });
-            anim.addUpdateListener((v) -> invalidate(invalidateRegion));
-            getOverlay().add(drawable);
-            anim.start();
-            return true;
+            }
+            stopDragHandleEducationAnim();
+        }
+        return superHandledTouch;
+    }
+
+    /**
+     * Animates the drag handle to demonstrate how to get to all apps.
+     * @return Whether the animation was started (false if drag handle is invisible).
+     */
+    public boolean startDragHandleEducationAnim() {
+        stopDragHandleEducationAnim();
+
+        if (mDragHandle == null || mDragHandle.getAlpha() != 255) {
+            return false;
+        }
+
+        final Drawable drawable = mDragHandle;
+        mDragHandle = null;
+
+        Rect bounds = new Rect(mDragHandleBounds);
+        bounds.offset(0, -(int) mDragHandleOffset);
+        drawable.setBounds(bounds);
+
+        Rect topBounds = new Rect(bounds);
+        topBounds.offset(0, -bounds.height());
+
+        Rect invalidateRegion = new Rect(bounds);
+        invalidateRegion.top = topBounds.top;
+
+        final float progressToReachTop = 0.6f;
+        Keyframe frameTop = Keyframe.ofObject(progressToReachTop, topBounds);
+        frameTop.setInterpolator(DEACCEL);
+        Keyframe frameBot = Keyframe.ofObject(1, bounds);
+        frameBot.setInterpolator(ACCEL_DEACCEL);
+        PropertyValuesHolder holder = PropertyValuesHolder.ofKeyframe("bounds",
+                Keyframe.ofObject(0, bounds), frameTop, frameBot);
+        holder.setEvaluator(new RectEvaluator());
+
+        mDragHandleAnim = ObjectAnimator.ofPropertyValuesHolder(drawable, holder);
+        long totalBounceDuration = DRAG_HANDLE_BOUNCE_DURATION_MS + DRAG_HANDLE_BOUNCE_DELAY_MS;
+        // The bounce finishes by this progress, the rest of the duration just delays next bounce.
+        float delayStartProgress = 1f - (float) DRAG_HANDLE_BOUNCE_DELAY_MS / totalBounceDuration;
+        mDragHandleAnim.addUpdateListener((v) -> invalidate(invalidateRegion));
+        mDragHandleAnim.setDuration(totalBounceDuration);
+        mDragHandleAnim.setInterpolator(clampToProgress(LINEAR, 0, delayStartProgress));
+        mDragHandleAnim.setRepeatCount(DRAG_HANDLE_BOUNCE_REPEAT_COUNT);
+        getOverlay().add(drawable);
+
+        mDragHandleAnim.addListener(new AnimatorListenerAdapter() {
+            @Override
+            public void onAnimationEnd(Animator animation) {
+                mDragHandleAnim = null;
+                getOverlay().remove(drawable);
+                updateDragHandleVisibility(drawable);
+            }
+        });
+        mDragHandleAnim.start();
+        return true;
+    }
+
+    private void stopDragHandleEducationAnim() {
+        if (mDragHandleAnim != null) {
+            mDragHandleAnim.end();
         }
-        return value;
     }
 
     protected void updateDragHandleBounds() {
         DeviceProfile grid = mLauncher.getDeviceProfile();
         final int left;
         final int width = getMeasuredWidth();
-        final int top = getMeasuredHeight() - mDragHandleSize - grid.getInsets().bottom;
+        final int top = getMeasuredHeight() - mDragHandleSize.y - grid.getInsets().bottom;
         final int topMargin;
 
         if (grid.isVerticalBarLayout()) {
-            topMargin = grid.workspacePadding.bottom;
+            topMargin = grid.workspacePadding.bottom + mDragHandlePaddingInVerticalBarLayout;
             if (grid.isSeascape()) {
-                left = width - grid.getInsets().right - mDragHandleSize;
+                left = width - grid.getInsets().right - mDragHandleSize.x
+                        - mDragHandlePaddingInVerticalBarLayout;
             } else {
-                left = mDragHandleSize + grid.getInsets().left;
+                left = grid.getInsets().left + mDragHandlePaddingInVerticalBarLayout;
             }
         } else {
-            left = (width - mDragHandleSize) / 2;
+            left = Math.round((width - mDragHandleSize.x) / 2f);
             topMargin = grid.hotseatBarSizePx;
         }
         mDragHandleBounds.offsetTo(left, top - topMargin);
         mHitRect.set(mDragHandleBounds);
-        float inset = -mDragHandleSize / 2;
-        mHitRect.inset(inset, inset);
+        // Inset outwards to increase touch size.
+        mHitRect.inset((mDragHandleSize.x - mDragHandleTouchSize) / 2f,
+                (mDragHandleSize.y - mDragHandleTouchSize) / 2f);
 
         if (mDragHandle != null) {
             mDragHandle.setBounds(mDragHandleBounds);
@@ -341,7 +392,7 @@ public class ScrimView<T extends Launcher> extends View implements Insettable, O
         if (visible != wasVisible) {
             if (visible) {
                 mDragHandle = recycle != null ? recycle :
-                        mLauncher.getDrawable(R.drawable.drag_handle_indicator);
+                        mLauncher.getDrawable(R.drawable.drag_handle_indicator_shadow);
                 mDragHandle.setBounds(mDragHandleBounds);
 
                 updateDragHandleAlpha();
@@ -397,7 +448,7 @@ public class ScrimView<T extends Launcher> extends View implements Insettable, O
 
         @Override
         protected int getVirtualViewAt(float x, float y) {
-            return  mDragHandleBounds.contains((int) x, (int) y)
+            return  mHitRect.contains((int) x, (int) y)
                     ? DRAG_HANDLE_ID : INVALID_ID;
         }
 
@@ -470,7 +521,10 @@ public class ScrimView<T extends Launcher> extends View implements Insettable, O
         }
     }
 
-    public int getDragHandleSize() {
-        return mDragHandleSize;
+    /**
+     * @return The top of this scrim view, or {@link Float#MAX_VALUE} if there's no distinct top.
+     */
+    public float getVisualTop() {
+        return Float.MAX_VALUE;
     }
 }

src/com/android/launcher3/views/Transposable.java

@@ -1,26 +0,0 @@
-/**
- * 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.views;
-
-import com.android.launcher3.graphics.RotationMode;
-
-/**
- * Indicates that a view can be transposed.
- */
-public interface Transposable {
-
-    RotationMode getRotationMode();
-}

src/com/android/launcher3/widget/WidgetsFullSheet.java

@@ -98,6 +98,11 @@ public class WidgetsFullSheet extends BaseWidgetSheet
         onWidgetsBound();
     }
 
+    @VisibleForTesting
+    public WidgetsRecyclerView getRecyclerView() {
+        return mRecyclerView;
+    }
+
     @Override
     protected Pair<View, String> getAccessibilityTarget() {
         return Pair.create(mRecyclerView, getContext().getString(

src/com/android/launcher3/widget/WidgetsRecyclerView.java

@@ -19,11 +19,14 @@ package com.android.launcher3.widget;
 import android.content.Context;
 import android.graphics.Point;
 import android.util.AttributeSet;
+import android.util.Log;
 import android.view.MotionEvent;
 import android.view.View;
 
 import com.android.launcher3.BaseRecyclerView;
 import com.android.launcher3.R;
+import com.android.launcher3.Utilities;
+import com.android.launcher3.testing.TestProtocol;
 
 import androidx.recyclerview.widget.LinearLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
@@ -155,18 +158,66 @@ public class WidgetsRecyclerView extends BaseRecyclerView implements OnItemTouch
                     mScrollbar.isHitInParent(e.getX(), e.getY(), mFastScrollerOffset);
         }
         if (mTouchDownOnScroller) {
-            return mScrollbar.handleTouchEvent(e, mFastScrollerOffset);
+            final boolean result = mScrollbar.handleTouchEvent(e, mFastScrollerOffset);
+            if (Utilities.IS_RUNNING_IN_TEST_HARNESS) {
+                Log.d(TestProtocol.NO_SCROLL_END_WIDGETS, "onInterceptTouchEvent 1 " + result);
+            }
+            return result;
+        }
+        if (Utilities.IS_RUNNING_IN_TEST_HARNESS) {
+            Log.d(TestProtocol.NO_SCROLL_END_WIDGETS, "onInterceptTouchEvent 2 false");
         }
         return false;
     }
 
     @Override
     public void onTouchEvent(RecyclerView rv, MotionEvent e) {
+        if (Utilities.IS_RUNNING_IN_TEST_HARNESS) {
+            Log.d(TestProtocol.NO_SCROLL_END_WIDGETS, "WidgetsRecyclerView.onTouchEvent");
+        }
         if (mTouchDownOnScroller) {
             mScrollbar.handleTouchEvent(e, mFastScrollerOffset);
         }
     }
 
     @Override
-    public void onRequestDisallowInterceptTouchEvent(boolean disallowIntercept) { }
+    public void onRequestDisallowInterceptTouchEvent(boolean disallowIntercept) {
+        if (Utilities.IS_RUNNING_IN_TEST_HARNESS) {
+            Log.d(TestProtocol.NO_SCROLL_END_WIDGETS, "onRequestDisallowInterceptTouchEvent "
+                    + disallowIntercept);
+        }
+    }
+
+    @Override
+    public boolean dispatchTouchEvent(MotionEvent ev) {
+        final boolean result = super.dispatchTouchEvent(ev);
+        if (Utilities.IS_RUNNING_IN_TEST_HARNESS) {
+            Log.d(TestProtocol.NO_SCROLL_END_WIDGETS, "WidgetsRecyclerView: state: "
+                    + getScrollState()
+                    + " can scroll: " + getLayoutManager().canScrollVertically()
+                    + " result: " + result
+                    + " layout suppressed: " + isLayoutSuppressed()
+                    + " event: " + ev);
+        }
+        return result;
+    }
+
+    @Override
+    public void stopNestedScroll() {
+        if (Utilities.IS_RUNNING_IN_TEST_HARNESS) {
+            Log.d(TestProtocol.NO_SCROLL_END_WIDGETS, "stopNestedScroll");
+        }
+        super.stopNestedScroll();
+    }
+
+    @Override
+    public void setLayoutFrozen(boolean frozen) {
+        if (frozen != isLayoutSuppressed()) {
+            if (Utilities.IS_RUNNING_IN_TEST_HARNESS) {
+                Log.d(TestProtocol.NO_SCROLL_END_WIDGETS, "setLayoutFrozen " + frozen
+                        + " @ " + android.util.Log.getStackTraceString(new Throwable()));
+            }
+        }
+        super.setLayoutFrozen(frozen);
+    }
 }

tests/src/com/android/launcher3/ui/AbstractLauncherUiTest.java

@@ -162,6 +162,7 @@ public abstract class AbstractLauncherUiTest {
         mLauncher.enableDebugTracing();
         // Avoid double-reporting of Launcher crashes.
         mLauncher.setOnLauncherCrashed(() -> mLauncherPid = 0);
+        mLauncher.disableSensorRotation();
     }
 
     protected final LauncherActivityRule mActivityMonitor = new LauncherActivityRule();
@@ -277,6 +278,7 @@ public abstract class AbstractLauncherUiTest {
             clearPackageData(mDevice.getLauncherPackageName());
             mLauncher.enableDebugTracing();
             mLauncherPid = mLauncher.getPid();
+            mLauncher.disableSensorRotation();
         }
     }
 

tests/src/com/android/launcher3/ui/widget/BindWidgetTest.java

@@ -275,8 +275,10 @@ public class BindWidgetTest extends AbstractLauncherUiTest {
     }
 
     private void verifyPendingWidgetPresent() {
+        final Widget widget = mLauncher.getWorkspace().tryGetPendingWidget(DEFAULT_UI_TIMEOUT);
+        if (widget == null) mLauncher.dumpViewHierarchy(); // b/152645831
         assertTrue("Pending widget is not present",
-                mLauncher.getWorkspace().tryGetPendingWidget(DEFAULT_UI_TIMEOUT) != null);
+                widget != null);
     }
 
     /**

tests/tapl/com/android/launcher3/tapl/AllApps.java

@@ -43,7 +43,7 @@ public class AllApps extends LauncherInstrumentation.VisibleContainer {
     AllApps(LauncherInstrumentation launcher) {
         super(launcher);
         final UiObject2 allAppsContainer = verifyActiveContainer();
-        mHeight = allAppsContainer.getVisibleBounds().height();
+        mHeight = mLauncher.getVisibleBounds(allAppsContainer).height();
         final UiObject2 appListRecycler = mLauncher.waitForObjectInContainer(allAppsContainer,
                 "apps_list_view");
         // Wait for the recycler to populate.
@@ -66,7 +66,7 @@ public class AllApps extends LauncherInstrumentation.VisibleContainer {
             LauncherInstrumentation.log("hasClickableIcon: icon not visible");
             return false;
         }
-        final Rect iconBounds = icon.getVisibleBounds();
+        final Rect iconBounds = mLauncher.getVisibleBounds(icon);
         LauncherInstrumentation.log("hasClickableIcon: icon bounds: " + iconBounds);
         if (iconBounds.height() < mIconHeight / 2) {
             LauncherInstrumentation.log("hasClickableIcon: icon has insufficient height");
@@ -86,7 +86,7 @@ public class AllApps extends LauncherInstrumentation.VisibleContainer {
 
     private boolean iconCenterInSearchBox(UiObject2 allAppsContainer, UiObject2 icon) {
         final Point iconCenter = icon.getVisibleCenter();
-        return getSearchBox(allAppsContainer).getVisibleBounds().contains(
+        return mLauncher.getVisibleBounds(getSearchBox(allAppsContainer)).contains(
                 iconCenter.x, iconCenter.y);
     }
 
@@ -125,11 +125,11 @@ public class AllApps extends LauncherInstrumentation.VisibleContainer {
                                 mLauncher.getObjectsInContainer(allAppsContainer, "icon")
                                         .stream()
                                         .filter(icon ->
-                                                icon.getVisibleBounds().bottom
+                                                        mLauncher.getVisibleBounds(icon).bottom
                                                         <= displayBottom)
                                         .collect(Collectors.toList()),
-                                searchBox.getVisibleBounds().bottom
-                                        - allAppsContainer.getVisibleBounds().top);
+                                mLauncher.getVisibleBounds(searchBox).bottom
+                                        - mLauncher.getVisibleBounds(allAppsContainer).top);
                         final int newScroll = getAllAppsScroll();
                         mLauncher.assertTrue(
                                 "Scrolled in a wrong direction in AllApps: from " + scroll + " to "
@@ -166,7 +166,8 @@ public class AllApps extends LauncherInstrumentation.VisibleContainer {
             final UiObject2 searchBox = getSearchBox(allAppsContainer);
 
             int attempts = 0;
-            final Rect margins = new Rect(0, searchBox.getVisibleBounds().bottom + 1, 0, 5);
+            final Rect margins =
+                    new Rect(0, mLauncher.getVisibleBounds(searchBox).bottom + 1, 0, 5);
 
             for (int scroll = getAllAppsScroll();
                     scroll != 0;

tests/tapl/com/android/launcher3/tapl/BaseOverview.java

@@ -117,8 +117,8 @@ public class BaseOverview extends LauncherInstrumentation.VisibleContainer {
             // part) one in the center, and parts of its right and left siblings. Find the
             // main task view by its width.
             final UiObject2 widestTask = Collections.max(taskViews,
-                    (t1, t2) -> Integer.compare(t1.getVisibleBounds().width(),
-                            t2.getVisibleBounds().width()));
+                    (t1, t2) -> Integer.compare(mLauncher.getVisibleBounds(t1).width(),
+                            mLauncher.getVisibleBounds(t2).width()));
 
             return new OverviewTask(mLauncher, widestTask, this);
         }

tests/tapl/com/android/launcher3/tapl/Launchable.java

@@ -57,7 +57,7 @@ abstract class Launchable {
 
     private Background launch(BySelector selector) {
         LauncherInstrumentation.log("Launchable.launch before click " +
-                mObject.getVisibleCenter() + " in " + mObject.getVisibleBounds());
+                mObject.getVisibleCenter() + " in " + mLauncher.getVisibleBounds(mObject));
 
         mLauncher.executeAndWaitForEvent(
                 () -> mLauncher.clickLauncherObject(mObject),

tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java

@@ -977,7 +977,7 @@ public final class LauncherInstrumentation {
 
     int getBottomGestureMarginInContainer(UiObject2 container) {
         final int bottomGestureStartOnScreen = getRealDisplaySize().y - getBottomGestureSize();
-        return container.getVisibleBounds().bottom - bottomGestureStartOnScreen;
+        return getVisibleBounds(container).bottom - bottomGestureStartOnScreen;
     }
 
     void clickLauncherObject(UiObject2 object) {
@@ -995,10 +995,10 @@ public final class LauncherInstrumentation {
             Collection<UiObject2> items,
             int topPaddingInContainer) {
         final UiObject2 lowestItem = Collections.max(items, (i1, i2) ->
-                Integer.compare(i1.getVisibleBounds().top, i2.getVisibleBounds().top));
+                Integer.compare(getVisibleBounds(i1).top, getVisibleBounds(i2).top));
 
-        final int itemRowCurrentTopOnScreen = lowestItem.getVisibleBounds().top;
-        final Rect containerRect = container.getVisibleBounds();
+        final int itemRowCurrentTopOnScreen = getVisibleBounds(lowestItem).top;
+        final Rect containerRect = getVisibleBounds(container);
         final int itemRowNewTopOnScreen = containerRect.top + topPaddingInContainer;
         final int distance = itemRowCurrentTopOnScreen - itemRowNewTopOnScreen + getTouchSlop();
 
@@ -1017,7 +1017,7 @@ public final class LauncherInstrumentation {
 
     void scroll(
             UiObject2 container, Direction direction, Rect margins, int steps, boolean slowDown) {
-        final Rect rect = container.getVisibleBounds();
+        final Rect rect = getVisibleBounds(container);
         if (margins != null) {
             rect.left += margins.left;
             rect.top += margins.top;
@@ -1263,6 +1263,10 @@ public final class LauncherInstrumentation {
                 TestProtocol.TEST_INFO_RESPONSE_FIELD);
     }
 
+    public void disableSensorRotation() {
+        getTestInfo(TestProtocol.REQUEST_MOCK_SENSOR_ROTATION);
+    }
+
     public void disableDebugTracing() {
         getTestInfo(TestProtocol.REQUEST_DISABLE_DEBUG_TRACING);
     }
@@ -1330,4 +1334,13 @@ public final class LauncherInstrumentation {
     void expectEvent(String sequence, Pattern expected) {
         if (sCheckingEvents) sEventChecker.expectPattern(sequence, expected);
     }
+
+    Rect getVisibleBounds(UiObject2 object) {
+        try {
+            return object.getVisibleBounds();
+        } catch (Throwable t) {
+            fail(t.toString());
+            return null;
+        }
+    }
 }

tests/tapl/com/android/launcher3/tapl/OptionsPopupMenuItem.java

@@ -41,7 +41,7 @@ public class OptionsPopupMenuItem {
     public void launch(@NonNull String expectedPackageName) {
         try (LauncherInstrumentation.Closable e = mLauncher.eventsCheck()) {
             LauncherInstrumentation.log("OptionsPopupMenuItem before click "
-                    + mObject.getVisibleCenter() + " in " + mObject.getVisibleBounds());
+                    + mObject.getVisibleCenter() + " in " + mLauncher.getVisibleBounds(mObject));
             mLauncher.clickLauncherObject(mObject);
             if (!Build.MODEL.contains("Cuttlefish") ||
                     Build.VERSION.SDK_INT <= Build.VERSION_CODES.Q &&

tests/tapl/com/android/launcher3/tapl/OverviewTask.java

@@ -56,7 +56,7 @@ public final class OverviewTask {
                      "want to dismiss a task")) {
             verifyActiveContainer();
             // Dismiss the task via flinging it up.
-            final Rect taskBounds = mTask.getVisibleBounds();
+            final Rect taskBounds = mLauncher.getVisibleBounds(mTask);
             final int centerX = taskBounds.centerX();
             final int centerY = taskBounds.centerY();
             mLauncher.linearGesture(centerX, centerY, centerX, 0, 10, false,

tests/tapl/com/android/launcher3/tapl/Widgets.java

@@ -73,7 +73,7 @@ public final class Widgets extends LauncherInstrumentation.VisibleContainer {
             mLauncher.scroll(
                     widgetsContainer,
                     Direction.UP,
-                    new Rect(0, 0, widgetsContainer.getVisibleBounds().width(), 0),
+                    new Rect(0, 0, mLauncher.getVisibleBounds(widgetsContainer).width(), 0),
                     FLING_STEPS, false);
             try (LauncherInstrumentation.Closable c1 = mLauncher.addContextLayer("flung back")) {
                 verifyActiveContainer();
@@ -111,19 +111,19 @@ public final class Widgets extends LauncherInstrumentation.VisibleContainer {
 
                     int maxWidth = 0;
                     for (UiObject2 sibling : widget.getParent().getChildren()) {
-                        maxWidth = Math.max(sibling.getVisibleBounds().width(), maxWidth);
+                        maxWidth = Math.max(mLauncher.getVisibleBounds(sibling).width(), maxWidth);
                     }
 
-                    int visibleDelta = maxWidth - widget.getVisibleBounds().width();
+                    int visibleDelta = maxWidth - mLauncher.getVisibleBounds(widget).width();
                     if (visibleDelta > 0) {
-                        Rect parentBounds = cell.getVisibleBounds();
+                        Rect parentBounds = mLauncher.getVisibleBounds(cell);
                         mLauncher.linearGesture(parentBounds.centerX() + visibleDelta
                                         + mLauncher.getTouchSlop(),
                                 parentBounds.centerY(), parentBounds.centerX(),
                                 parentBounds.centerY(), 10, true, GestureScope.INSIDE);
                     }
 
-                    if (widget.getVisibleBounds().bottom
+                    if (mLauncher.getVisibleBounds(widget).bottom
                             <= displaySize.y - mLauncher.getBottomGestureSize()) {
                         return new Widget(mLauncher, widget);
                     }

tests/tapl/com/android/launcher3/tapl/Workspace.java

@@ -177,7 +177,7 @@ public final class Workspace extends Home {
                             mLauncher,
                             getHotseatAppIcon("Chrome"),
                             new Point(mLauncher.getDevice().getDisplayWidth(),
-                                    workspace.getVisibleBounds().centerY()),
+                                    mLauncher.getVisibleBounds(workspace).centerY()),
                             "deep_shortcuts_container",
                             false,
                             () -> mLauncher.expectEvent(