diff --git a/quickstep/recents_ui_overrides/src/com/android/launcher3/appprediction/PredictionRowView.java b/quickstep/recents_ui_overrides/src/com/android/launcher3/appprediction/PredictionRowView.java
index 834e6cf..8faec46 100644
--- a/quickstep/recents_ui_overrides/src/com/android/launcher3/appprediction/PredictionRowView.java
+++ b/quickstep/recents_ui_overrides/src/com/android/launcher3/appprediction/PredictionRowView.java
@@ -1,5 +1,5 @@
-/**
- * Copyright (C) 2019 The Android Open Source Project
+/*
+ * Copyright (C) 2012 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.
@@ -16,8 +16,11 @@
 
 package com.android.launcher3.appprediction;
 
+import static com.android.launcher3.LauncherState.OVERVIEW;
 import static com.android.launcher3.anim.Interpolators.LINEAR;
 import static com.android.launcher3.icons.GraphicsUtils.setColorAlphaBound;
+import static com.android.launcher3.logging.LoggerUtils.newContainerTarget;
+import static com.android.launcher3.logging.LoggerUtils.newTarget;
 
 import android.annotation.TargetApi;
 import android.content.Context;
@@ -44,6 +47,7 @@
 import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherAppState;
 import com.android.launcher3.LauncherSettings;
+import com.android.launcher3.LauncherState;
 import com.android.launcher3.R;
 import com.android.launcher3.WorkspaceItemInfo;
 import com.android.launcher3.allapps.AllAppsStore;
@@ -187,7 +191,7 @@
     public int getExpectedHeight() {
         return getVisibility() == GONE ? 0 :
                 Launcher.getLauncher(getContext()).getDeviceProfile().allAppsCellHeightPx
-                + getPaddingTop() + getPaddingBottom();
+                        + getPaddingTop() + getPaddingBottom();
     }
 
     @Override
@@ -282,7 +286,8 @@
         mParent.onHeightUpdated();
     }
 
-    private List<ItemInfoWithIcon> processPredictedAppComponents(List<ComponentKeyMapper> components) {
+    private List<ItemInfoWithIcon> processPredictedAppComponents(
+            List<ComponentKeyMapper> components) {
         if (getAppsStore().getApps().length == 0) {
             // Apps have not been bound yet.
             return Collections.emptyList();
@@ -309,16 +314,26 @@
     }
 
     @Override
-    public void fillInLogContainerData(View v, ItemInfo info, LauncherLogProto.Target target,
-            LauncherLogProto.Target targetParent) {
+    public void fillInLogContainerData(ItemInfo childInfo, LauncherLogProto.Target child,
+            ArrayList<LauncherLogProto.Target> parents) {
         for (int i = 0; i < mPredictedApps.size(); i++) {
             ItemInfoWithIcon appInfo = mPredictedApps.get(i);
-            if (appInfo == info) {
-                targetParent.containerType = LauncherLogProto.ContainerType.PREDICTION;
-                target.predictedRank = i;
+            if (appInfo == childInfo) {
+                child.predictedRank = i;
                 break;
             }
         }
+        parents.add(newContainerTarget(LauncherLogProto.ContainerType.PREDICTION));
+
+        // include where the prediction is coming this used to be Launcher#modifyUserEvent
+        LauncherLogProto.Target parent = newTarget(LauncherLogProto.Target.Type.CONTAINER);
+        LauncherState state = mLauncher.getStateManager().getState();
+        if (state == LauncherState.ALL_APPS) {
+            parent.containerType = LauncherLogProto.ContainerType.ALLAPPS;
+        } else if (state == OVERVIEW) {
+            parent.containerType = LauncherLogProto.ContainerType.TASKSWITCHER;
+        }
+        parents.add(parent);
     }
 
     public void setTextAlpha(int textAlpha) {
diff --git a/quickstep/recents_ui_overrides/src/com/android/launcher3/hybridhotseat/HotseatPredictionController.java b/quickstep/recents_ui_overrides/src/com/android/launcher3/hybridhotseat/HotseatPredictionController.java
index 0b05427..ff4bb74 100644
--- a/quickstep/recents_ui_overrides/src/com/android/launcher3/hybridhotseat/HotseatPredictionController.java
+++ b/quickstep/recents_ui_overrides/src/com/android/launcher3/hybridhotseat/HotseatPredictionController.java
@@ -575,9 +575,9 @@
     }
 
     @Override
-    public void fillInLogContainerData(View v, ItemInfo info, LauncherLogProto.Target target,
-            LauncherLogProto.Target targetParent) {
-        mHotseat.fillInLogContainerData(v, info, target, targetParent);
+    public void fillInLogContainerData(ItemInfo childInfo, LauncherLogProto.Target child,
+            ArrayList<LauncherLogProto.Target> parents) {
+        mHotseat.fillInLogContainerData(childInfo, child, parents);
     }
 
     private class PinPrediction extends SystemShortcut<QuickstepLauncher> {
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/logging/UserEventDispatcherAppPredictionExtension.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/logging/UserEventDispatcherAppPredictionExtension.java
index b251f9e..b9ef57e 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/logging/UserEventDispatcherAppPredictionExtension.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/logging/UserEventDispatcherAppPredictionExtension.java
@@ -23,6 +23,8 @@
 import com.android.launcher3.appprediction.PredictionUiStateManager;
 import com.android.launcher3.userevent.nano.LauncherLogProto;
 
+import java.util.ArrayList;
+
 /**
  * This class handles AOSP MetricsLogger function calls and logging around
  * quickstep interactions and app launches.
@@ -41,7 +43,7 @@
     @Override
     protected void onFillInLogContainerData(
             @NonNull ItemInfo itemInfo, @NonNull LauncherLogProto.Target target,
-            @NonNull LauncherLogProto.Target targetParent) {
+            @NonNull ArrayList<LauncherLogProto.Target> targets) {
         PredictionUiStateManager.fillInPredictedRank(itemInfo, target);
     }
 }
diff --git a/quickstep/src/com/android/quickstep/logging/StatsLogCompatManager.java b/quickstep/src/com/android/quickstep/logging/StatsLogCompatManager.java
index 53859ad..22fe2e1 100644
--- a/quickstep/src/com/android/quickstep/logging/StatsLogCompatManager.java
+++ b/quickstep/src/com/android/quickstep/logging/StatsLogCompatManager.java
@@ -24,6 +24,8 @@
 import static android.stats.launcher.nano.Launcher.LAUNCH_TASK;
 import static android.stats.launcher.nano.Launcher.OVERVIEW;
 
+import static com.android.launcher3.logging.UserEventDispatcher.makeTargetsList;
+
 import android.content.Context;
 import android.content.Intent;
 import android.os.UserHandle;
@@ -47,6 +49,8 @@
 
 import com.google.protobuf.nano.MessageNano;
 
+import java.util.ArrayList;
+
 /**
  * This method calls the StatsLog hidden method until they are made available public.
  *
@@ -61,7 +65,8 @@
     private static final String TAG = "StatsLogCompatManager";
     private static final boolean DEBUG = false;
 
-    public StatsLogCompatManager(Context context) { }
+    public StatsLogCompatManager(Context context) {
+    }
 
     @Override
     public void logAppLaunch(View v, Intent intent, @Nullable UserHandle userHandle) {
@@ -120,14 +125,17 @@
 
             return false;
         }
-        ItemInfo itemInfo = (ItemInfo) v.getTag();
         Target child = new Target();
-        Target parent = new Target();
-        provider.fillInLogContainerData(v, itemInfo, child, parent);
-        extension.srcTarget[0] = new LauncherTarget();
-        extension.srcTarget[1] = new LauncherTarget();
-        copy(child, extension.srcTarget[0]);
-        copy(parent, extension.srcTarget[1]);
+        ArrayList<Target> targets = makeTargetsList(child);
+        targets.add(child);
+        provider.fillInLogContainerData((ItemInfo) v.getTag(), child, targets);
+
+        int maxDepth = Math.min(SUPPORTED_TARGET_DEPTH, targets.size());
+        extension.srcTarget = new LauncherTarget[maxDepth];
+        for (int i = 0; i < maxDepth; i++) {
+            extension.srcTarget[i] = new LauncherTarget();
+            copy(targets.get(i), extension.srcTarget[i]);
+        }
         return true;
     }
 
@@ -238,10 +246,10 @@
 
     @Override
     public void verify() {
-        if(!(StatsLogUtils.LAUNCHER_STATE_ALLAPPS == ALLAPPS &&
-                StatsLogUtils.LAUNCHER_STATE_BACKGROUND == BACKGROUND &&
-                StatsLogUtils.LAUNCHER_STATE_OVERVIEW == OVERVIEW &&
-                StatsLogUtils.LAUNCHER_STATE_HOME == HOME)) {
+        if (!(StatsLogUtils.LAUNCHER_STATE_ALLAPPS == ALLAPPS
+                && StatsLogUtils.LAUNCHER_STATE_BACKGROUND == BACKGROUND
+                && StatsLogUtils.LAUNCHER_STATE_OVERVIEW == OVERVIEW
+                && StatsLogUtils.LAUNCHER_STATE_HOME == HOME)) {
             throw new IllegalStateException(
                     "StatsLogUtil constants doesn't match enums in launcher.proto");
         }
diff --git a/src/com/android/launcher3/BaseActivity.java b/src/com/android/launcher3/BaseActivity.java
index 217a41c..814b728 100644
--- a/src/com/android/launcher3/BaseActivity.java
+++ b/src/com/android/launcher3/BaseActivity.java
@@ -40,7 +40,6 @@
 import com.android.launcher3.logging.StatsLogUtils;
 import com.android.launcher3.logging.StatsLogUtils.LogStateProvider;
 import com.android.launcher3.logging.UserEventDispatcher;
-import com.android.launcher3.logging.UserEventDispatcher.UserEventDelegate;
 import com.android.launcher3.testing.TestLogging;
 import com.android.launcher3.testing.TestProtocol;
 import com.android.launcher3.userevent.nano.LauncherLogProto;
@@ -52,8 +51,10 @@
 import java.lang.annotation.Retention;
 import java.util.ArrayList;
 
-public abstract class BaseActivity extends Activity
-        implements UserEventDelegate, LogStateProvider, ActivityContext {
+/**
+ * Launcher BaseActivity
+ */
+public abstract class BaseActivity extends Activity implements LogStateProvider, ActivityContext {
 
     private static final String TAG = "BaseActivity";
 
@@ -155,7 +156,7 @@
 
     public final UserEventDispatcher getUserEventDispatcher() {
         if (mUserEventDispatcher == null) {
-            mUserEventDispatcher = UserEventDispatcher.newInstance(this, this);
+            mUserEventDispatcher = UserEventDispatcher.newInstance(this);
         }
         return mUserEventDispatcher;
     }
diff --git a/src/com/android/launcher3/Hotseat.java b/src/com/android/launcher3/Hotseat.java
index b89e727..76cfe1c 100644
--- a/src/com/android/launcher3/Hotseat.java
+++ b/src/com/android/launcher3/Hotseat.java
@@ -16,12 +16,13 @@
 
 package com.android.launcher3;
 
+import static com.android.launcher3.logging.LoggerUtils.newContainerTarget;
+
 import android.content.Context;
 import android.graphics.Rect;
 import android.util.AttributeSet;
 import android.view.Gravity;
 import android.view.MotionEvent;
-import android.view.View;
 import android.view.ViewDebug;
 import android.view.ViewGroup;
 import android.widget.FrameLayout;
@@ -32,6 +33,8 @@
 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 {
 
     @ViewDebug.ExportedProperty(category = "launcher")
@@ -75,10 +78,12 @@
     }
 
     @Override
-    public void fillInLogContainerData(View v, ItemInfo info, Target target, Target targetParent) {
-        target.gridX = info.cellX;
-        target.gridY = info.cellY;
-        targetParent.containerType = LauncherLogProto.ContainerType.HOTSEAT;
+    public void fillInLogContainerData(ItemInfo childInfo, Target child,
+            ArrayList<Target> parents) {
+        child.rank = childInfo.rank;
+        child.gridX = childInfo.cellX;
+        child.gridY = childInfo.cellY;
+        parents.add(newContainerTarget(LauncherLogProto.ContainerType.HOTSEAT));
     }
 
     @Override
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 20ebc7a..b78d2f3 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -30,7 +30,6 @@
 import static com.android.launcher3.Utilities.postAsyncCallback;
 import static com.android.launcher3.dragndrop.DragLayer.ALPHA_INDEX_LAUNCHER_LOAD;
 import static com.android.launcher3.logging.LoggerUtils.newContainerTarget;
-import static com.android.launcher3.logging.LoggerUtils.newTarget;
 import static com.android.launcher3.popup.SystemShortcut.APP_INFO;
 import static com.android.launcher3.popup.SystemShortcut.INSTALL;
 import static com.android.launcher3.popup.SystemShortcut.WIDGETS;
@@ -110,7 +109,6 @@
 import com.android.launcher3.logging.FileLog;
 import com.android.launcher3.logging.StatsLogUtils;
 import com.android.launcher3.logging.UserEventDispatcher;
-import com.android.launcher3.logging.UserEventDispatcher.UserEventDelegate;
 import com.android.launcher3.model.AppLaunchTracker;
 import com.android.launcher3.model.BgDataModel.Callbacks;
 import com.android.launcher3.model.ModelWriter;
@@ -126,7 +124,6 @@
 import com.android.launcher3.touch.AllAppsSwipeController;
 import com.android.launcher3.touch.ItemClickHandler;
 import com.android.launcher3.uioverrides.plugins.PluginManagerWrapper;
-import com.android.launcher3.userevent.nano.LauncherLogProto;
 import com.android.launcher3.userevent.nano.LauncherLogProto.Action;
 import com.android.launcher3.userevent.nano.LauncherLogProto.ContainerType;
 import com.android.launcher3.userevent.nano.LauncherLogProto.Target;
@@ -183,8 +180,7 @@
  * Default launcher application.
  */
 public class Launcher extends BaseDraggingActivity implements LauncherExterns,
-        Callbacks, UserEventDelegate,
-        InvariantDeviceProfile.OnIDPChangeListener, PluginListener<OverlayPlugin> {
+        Callbacks, InvariantDeviceProfile.OnIDPChangeListener, PluginListener<OverlayPlugin> {
     public static final String TAG = "Launcher";
 
     public static final ActivityTracker<Launcher> ACTIVITY_TRACKER = new ActivityTracker<>();
@@ -1890,24 +1886,6 @@
     }
 
     @Override
-    public void modifyUserEvent(LauncherLogProto.LauncherEvent event) {
-        if (event.srcTarget != null && event.srcTarget.length > 0 &&
-                event.srcTarget[1].containerType == ContainerType.PREDICTION) {
-            Target[] targets = new Target[3];
-            targets[0] = event.srcTarget[0];
-            targets[1] = event.srcTarget[1];
-            targets[2] = newTarget(Target.Type.CONTAINER);
-            event.srcTarget = targets;
-            LauncherState state = mStateManager.getState();
-            if (state == LauncherState.ALL_APPS) {
-                event.srcTarget[2].containerType = ContainerType.ALLAPPS;
-            } else if (state == OVERVIEW) {
-                event.srcTarget[2].containerType = ContainerType.TASKSWITCHER;
-            }
-        }
-    }
-
-    @Override
     public boolean startActivitySafely(View v, Intent intent, ItemInfo item,
             @Nullable String sourceContainer) {
         if (!hasBeenResumed()) {
diff --git a/src/com/android/launcher3/SecondaryDropTarget.java b/src/com/android/launcher3/SecondaryDropTarget.java
index 1841134..2430d5e 100644
--- a/src/com/android/launcher3/SecondaryDropTarget.java
+++ b/src/com/android/launcher3/SecondaryDropTarget.java
@@ -41,6 +41,7 @@
 import com.android.launcher3.util.Themes;
 
 import java.net.URISyntaxException;
+import java.util.ArrayList;
 
 /**
  * Drop target which provides a secondary option for an item.
@@ -322,9 +323,9 @@
         }
 
         @Override
-        public void fillInLogContainerData(View v, ItemInfo info, Target target,
-                Target targetParent) {
-            mOriginal.fillInLogContainerData(v, info, target, targetParent);
+        public void fillInLogContainerData(ItemInfo childInfo, Target child,
+                ArrayList<Target> parents) {
+            mOriginal.fillInLogContainerData(childInfo, child, parents);
         }
 
         @Override
diff --git a/src/com/android/launcher3/Workspace.java b/src/com/android/launcher3/Workspace.java
index 590c620..fc1a074 100644
--- a/src/com/android/launcher3/Workspace.java
+++ b/src/com/android/launcher3/Workspace.java
@@ -24,6 +24,7 @@
 import static com.android.launcher3.LauncherState.SPRING_LOADED;
 import static com.android.launcher3.config.FeatureFlags.ADAPTIVE_ICON_WINDOW_ANIM;
 import static com.android.launcher3.dragndrop.DragLayer.ALPHA_INDEX_OVERLAY;
+import static com.android.launcher3.logging.LoggerUtils.newContainerTarget;
 
 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
@@ -3309,17 +3310,21 @@
     }
 
     @Override
-    public void fillInLogContainerData(View v, ItemInfo info, Target target, Target targetParent) {
-        target.gridX = info.cellX;
-        target.gridY = info.cellY;
-        target.pageIndex = getCurrentPage();
-        targetParent.containerType = ContainerType.WORKSPACE;
-        if (info.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) {
-            target.rank = info.rank;
-            targetParent.containerType = ContainerType.HOTSEAT;
-        } else if (info.container >= 0) {
-            targetParent.containerType = ContainerType.FOLDER;
+    public void fillInLogContainerData(ItemInfo childInfo, Target child,
+            ArrayList<Target> parents) {
+        if (childInfo.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT
+                || childInfo.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT_PREDICTION) {
+            getHotseat().fillInLogContainerData(childInfo, child, parents);
+            return;
+        } else if (childInfo.container >= 0) {
+            FolderIcon icon = (FolderIcon) getHomescreenIconByItemId(childInfo.container);
+            icon.getFolder().fillInLogContainerData(childInfo, child, parents);
+            return;
         }
+        child.gridX = childInfo.cellX;
+        child.gridY = childInfo.cellY;
+        child.pageIndex = getCurrentPage();
+        parents.add(newContainerTarget(ContainerType.WORKSPACE));
     }
 
     /**
diff --git a/src/com/android/launcher3/allapps/AllAppsContainerView.java b/src/com/android/launcher3/allapps/AllAppsContainerView.java
index afb7217..a2957bc 100644
--- a/src/com/android/launcher3/allapps/AllAppsContainerView.java
+++ b/src/com/android/launcher3/allapps/AllAppsContainerView.java
@@ -18,6 +18,8 @@
 import static android.view.View.MeasureSpec.EXACTLY;
 import static android.view.View.MeasureSpec.makeMeasureSpec;
 
+import static com.android.launcher3.logging.LoggerUtils.newContainerTarget;
+
 import android.animation.ValueAnimator;
 import android.content.Context;
 import android.graphics.Canvas;
@@ -65,6 +67,8 @@
 import com.android.launcher3.views.SpringRelativeLayout;
 import com.android.launcher3.views.WorkFooterContainer;
 
+import java.util.ArrayList;
+
 /**
  * The all apps view container.
  */
@@ -327,12 +331,10 @@
     }
 
     @Override
-    public void fillInLogContainerData(View v, ItemInfo info, Target target, Target targetParent) {
-        if (getApps().hasFilter()) {
-            targetParent.containerType = ContainerType.SEARCHRESULT;
-        } else {
-            targetParent.containerType = ContainerType.ALLAPPS;
-        }
+    public void fillInLogContainerData(ItemInfo childInfo, Target child,
+            ArrayList<Target> parents) {
+        parents.add(newContainerTarget(
+                getApps().hasFilter() ? ContainerType.SEARCHRESULT : ContainerType.ALLAPPS));
     }
 
     @Override
diff --git a/src/com/android/launcher3/allapps/AllAppsRecyclerView.java b/src/com/android/launcher3/allapps/AllAppsRecyclerView.java
index b6744cf..c228ddf 100644
--- a/src/com/android/launcher3/allapps/AllAppsRecyclerView.java
+++ b/src/com/android/launcher3/allapps/AllAppsRecyclerView.java
@@ -17,6 +17,8 @@
 
 import static android.view.View.MeasureSpec.UNSPECIFIED;
 
+import static com.android.launcher3.logging.LoggerUtils.newContainerTarget;
+
 import android.content.Context;
 import android.content.res.Resources;
 import android.graphics.Canvas;
@@ -40,6 +42,7 @@
 import com.android.launcher3.userevent.nano.LauncherLogProto.Target;
 import com.android.launcher3.views.RecyclerViewFastScroller;
 
+import java.util.ArrayList;
 import java.util.List;
 
 /**
@@ -145,12 +148,10 @@
     }
 
     @Override
-    public void fillInLogContainerData(View v, ItemInfo info, Target target, Target targetParent) {
-        if (mApps.hasFilter()) {
-            targetParent.containerType = ContainerType.SEARCHRESULT;
-        } else {
-            targetParent.containerType = ContainerType.ALLAPPS;
-        }
+    public void fillInLogContainerData(ItemInfo childInfo, Target child,
+            ArrayList<Target> parents) {
+        parents.add(newContainerTarget(
+                getApps().hasFilter() ? ContainerType.SEARCHRESULT : ContainerType.ALLAPPS));
     }
 
     public void onSearchResultsChanged() {
diff --git a/src/com/android/launcher3/dragndrop/PinItemDragListener.java b/src/com/android/launcher3/dragndrop/PinItemDragListener.java
index 869dd94..77c6306 100644
--- a/src/com/android/launcher3/dragndrop/PinItemDragListener.java
+++ b/src/com/android/launcher3/dragndrop/PinItemDragListener.java
@@ -16,6 +16,8 @@
 
 package com.android.launcher3.dragndrop;
 
+import static com.android.launcher3.logging.LoggerUtils.newContainerTarget;
+
 import android.annotation.TargetApi;
 import android.appwidget.AppWidgetManager;
 import android.content.pm.LauncherApps.PinItemRequest;
@@ -38,6 +40,8 @@
 import com.android.launcher3.widget.PendingItemDragHelper;
 import com.android.launcher3.widget.WidgetAddFlowHandler;
 
+import java.util.ArrayList;
+
 /**
  * {@link DragSource} for handling drop from a different window. This object is initialized
  * in the source window and is passed on to the Launcher activity as an Intent extra.
@@ -103,9 +107,9 @@
     }
 
     @Override
-    public void fillInLogContainerData(View v, ItemInfo info, LauncherLogProto.Target target,
-            LauncherLogProto.Target targetParent) {
-        targetParent.containerType = LauncherLogProto.ContainerType.PINITEM;
+    public void fillInLogContainerData(ItemInfo childInfo, LauncherLogProto.Target child,
+            ArrayList<LauncherLogProto.Target> parents) {
+        parents.add(newContainerTarget(LauncherLogProto.ContainerType.PINITEM));
     }
 
     @Override
diff --git a/src/com/android/launcher3/folder/Folder.java b/src/com/android/launcher3/folder/Folder.java
index 69f93de..2be8ff4 100644
--- a/src/com/android/launcher3/folder/Folder.java
+++ b/src/com/android/launcher3/folder/Folder.java
@@ -27,6 +27,7 @@
 import static com.android.launcher3.LauncherState.NORMAL;
 import static com.android.launcher3.compat.AccessibilityManagerCompat.sendCustomAccessibilityEvent;
 import static com.android.launcher3.config.FeatureFlags.ALWAYS_USE_HARDWARE_OPTIMIZATION_FOR_FOLDER_ANIMATIONS;
+import static com.android.launcher3.logging.LoggerUtils.newContainerTarget;
 import static com.android.launcher3.userevent.LauncherLogProto.Target.FromFolderLabelState.FROM_CUSTOM;
 import static com.android.launcher3.userevent.LauncherLogProto.Target.FromFolderLabelState.FROM_EMPTY;
 import static com.android.launcher3.userevent.LauncherLogProto.Target.FromFolderLabelState.FROM_FOLDER_LABEL_STATE_UNSPECIFIED;
@@ -89,7 +90,6 @@
 import com.android.launcher3.dragndrop.DragController.DragListener;
 import com.android.launcher3.dragndrop.DragLayer;
 import com.android.launcher3.dragndrop.DragOptions;
-import com.android.launcher3.logging.LoggerUtils;
 import com.android.launcher3.pageindicators.PageIndicatorDots;
 import com.android.launcher3.userevent.LauncherLogProto.Action;
 import com.android.launcher3.userevent.LauncherLogProto.ContainerType;
@@ -1459,12 +1459,24 @@
     }
 
     @Override
-    public void fillInLogContainerData(View v, ItemInfo info, LauncherLogProto.Target target,
-            LauncherLogProto.Target targetParent) {
-        target.gridX = info.cellX;
-        target.gridY = info.cellY;
-        target.pageIndex = mContent.getCurrentPage();
-        targetParent.containerType = LauncherLogProto.ContainerType.FOLDER;
+    public void fillInLogContainerData(ItemInfo childInfo, LauncherLogProto.Target child,
+            ArrayList<LauncherLogProto.Target> targets) {
+        child.gridX = childInfo.cellX;
+        child.gridY = childInfo.cellY;
+        child.pageIndex = mContent.getCurrentPage();
+
+        LauncherLogProto.Target target = newContainerTarget(LauncherLogProto.ContainerType.FOLDER);
+        target.pageIndex = mInfo.screenId;
+        target.gridX = mInfo.cellX;
+        target.gridY = mInfo.cellY;
+        targets.add(target);
+
+        // continue to parent
+        if (mInfo.container == CONTAINER_HOTSEAT) {
+            mLauncher.getHotseat().fillInLogContainerData(mInfo, target, targets);
+        } else {
+            mLauncher.getWorkspace().fillInLogContainerData(mInfo, target, targets);
+        }
     }
 
     private class OnScrollHintListener implements OnAlarmListener {
@@ -1597,7 +1609,7 @@
                     }
                 } else {
                     mLauncher.getUserEventDispatcher().logActionTapOutside(
-                            LoggerUtils.newContainerTarget(LauncherLogProto.ContainerType.FOLDER));
+                            newContainerTarget(LauncherLogProto.ContainerType.FOLDER));
                     close(true);
                     return true;
                 }
diff --git a/src/com/android/launcher3/logging/LoggerUtils.java b/src/com/android/launcher3/logging/LoggerUtils.java
index b004edf..a9d10d7 100644
--- a/src/com/android/launcher3/logging/LoggerUtils.java
+++ b/src/com/android/launcher3/logging/LoggerUtils.java
@@ -37,6 +37,7 @@
 
 import java.lang.reflect.Field;
 import java.lang.reflect.Modifier;
+import java.util.ArrayList;
 
 /**
  * Helper methods for logging.
@@ -255,4 +256,13 @@
         event.action = action;
         return event;
     }
+
+    /**
+     * Creates LauncherEvent using Action and ArrayList of Targets
+     */
+    public static LauncherEvent newLauncherEvent(Action action, ArrayList<Target> targets) {
+        Target[] targetsArray = new Target[targets.size()];
+        targets.toArray(targetsArray);
+        return newLauncherEvent(action, targetsArray);
+    }
 }
diff --git a/src/com/android/launcher3/logging/StatsLogUtils.java b/src/com/android/launcher3/logging/StatsLogUtils.java
index b02a050..8449612 100644
--- a/src/com/android/launcher3/logging/StatsLogUtils.java
+++ b/src/com/android/launcher3/logging/StatsLogUtils.java
@@ -5,11 +5,13 @@
 import android.view.View;
 import android.view.ViewParent;
 
+import androidx.annotation.Nullable;
+
 import com.android.launcher3.ItemInfo;
 import com.android.launcher3.userevent.nano.LauncherLogProto.ContainerType;
 import com.android.launcher3.userevent.nano.LauncherLogProto.Target;
 
-import androidx.annotation.Nullable;
+import java.util.ArrayList;
 
 
 public class StatsLogUtils {
@@ -35,14 +37,9 @@
     public interface LogContainerProvider {
 
         /**
-         * Copies data from the source to the destination proto.
-         *
-         * @param v            source of the data
-         * @param info         source of the data
-         * @param target       dest of the data
-         * @param targetParent dest of the data
+         * Populates parent container targets for an item
          */
-        void fillInLogContainerData(View v, ItemInfo info, Target target, Target targetParent);
+        void fillInLogContainerData(ItemInfo childInfo, Target child, ArrayList<Target> parents);
     }
 
     /**
diff --git a/src/com/android/launcher3/logging/UserEventDispatcher.java b/src/com/android/launcher3/logging/UserEventDispatcher.java
index afa3f6d..513bf62 100644
--- a/src/com/android/launcher3/logging/UserEventDispatcher.java
+++ b/src/com/android/launcher3/logging/UserEventDispatcher.java
@@ -57,6 +57,7 @@
 import com.android.launcher3.util.LogConfig;
 import com.android.launcher3.util.ResourceBasedOverride;
 
+import java.util.ArrayList;
 import java.util.Locale;
 import java.util.UUID;
 
@@ -72,8 +73,10 @@
     private static final boolean IS_VERBOSE = Utilities.isPropertyEnabled(LogConfig.USEREVENT);
     private static final String UUID_STORAGE = "uuid";
 
-    public static UserEventDispatcher newInstance(Context context,
-            UserEventDelegate delegate) {
+    /**
+     * A factory method for UserEventDispatcher
+     */
+    public static UserEventDispatcher newInstance(Context context) {
         SharedPreferences sharedPrefs = Utilities.getDevicePrefs(context);
         String uuidStr = sharedPrefs.getString(UUID_STORAGE, null);
         if (uuidStr == null) {
@@ -82,41 +85,31 @@
         }
         UserEventDispatcher ued = Overrides.getObject(UserEventDispatcher.class,
                 context.getApplicationContext(), R.string.user_event_dispatcher_class);
-        ued.mDelegate = delegate;
         ued.mUuidStr = uuidStr;
         ued.mInstantAppResolver = InstantAppResolver.newInstance(context);
         return ued;
     }
 
-    public static UserEventDispatcher newInstance(Context context) {
-        return newInstance(context, null);
-    }
-
-    public interface UserEventDelegate {
-        void modifyUserEvent(LauncherEvent event);
-    }
 
     /**
      * Fills in the container data on the given event if the given view is not null.
      *
      * @return whether container data was added.
      */
-    public boolean fillInLogContainerData(LauncherLogProto.LauncherEvent event, @Nullable View v) {
-        // Fill in grid(x,y), pageIndex of the child and container type of the parent
-        LogContainerProvider provider = StatsLogUtils.getLaunchProviderRecursive(v);
-        if (v == null || !(v.getTag() instanceof ItemInfo) || provider == null) {
+    public boolean fillLogContainer(@Nullable View v, Target child,
+            @Nullable ArrayList<Target> targets) {
+        LogContainerProvider firstParent = StatsLogUtils.getLaunchProviderRecursive(v);
+        if (v == null || !(v.getTag() instanceof ItemInfo) || firstParent == null) {
             return false;
         }
         final ItemInfo itemInfo = (ItemInfo) v.getTag();
-        final Target target = event.srcTarget[0];
-        final Target targetParent = event.srcTarget[1];
-        onFillInLogContainerData(itemInfo, target, targetParent);
-        provider.fillInLogContainerData(v, itemInfo, target, targetParent);
+        firstParent.fillInLogContainerData(itemInfo, child, targets);
         return true;
     }
 
-    protected void onFillInLogContainerData(
-            @NonNull ItemInfo itemInfo, @NonNull Target target, @NonNull Target targetParent) { }
+    protected void onFillInLogContainerData(@NonNull ItemInfo itemInfo, @NonNull Target target,
+            @NonNull ArrayList<Target> targets) {
+    }
 
     private boolean mSessionStarted;
     private long mElapsedContainerMillis;
@@ -125,7 +118,6 @@
     private String mUuidStr;
     protected InstantAppResolver mInstantAppResolver;
     private boolean mAppOrTaskLaunch;
-    private UserEventDelegate mDelegate;
     private boolean mPreviousHomeGesture;
 
     //                      APP_ICON    SHORTCUT    WIDGET
@@ -136,16 +128,15 @@
     // --------------------------------------------------------------
 
     @Deprecated
-    public void logAppLaunch(View v, Intent intent, @Nullable  UserHandle userHandle) {
-        LauncherEvent event = newLauncherEvent(newTouchAction(Action.Touch.TAP),
-                newItemTarget(v, mInstantAppResolver), newTarget(Target.Type.CONTAINER));
-
-        if (fillInLogContainerData(event, v)) {
-            if (mDelegate != null) {
-                mDelegate.modifyUserEvent(event);
-            }
-            fillIntentInfo(event.srcTarget[0], intent, userHandle);
+    public void logAppLaunch(View v, Intent intent, @Nullable UserHandle userHandle) {
+        Target itemTarget = newItemTarget(v, mInstantAppResolver);
+        Action action = newTouchAction(Action.Touch.TAP);
+        ArrayList<Target> targets = makeTargetsList(itemTarget);
+        if (fillLogContainer(v, itemTarget, targets)) {
+            onFillInLogContainerData((ItemInfo) v.getTag(), itemTarget, targets);
+            fillIntentInfo(itemTarget, intent, userHandle);
         }
+        LauncherEvent event = newLauncherEvent(action,  targets);
         ItemInfo info = (ItemInfo) v.getTag();
         if (info != null && Utilities.IS_DEBUG_DEVICE && FeatureFlags.ENABLE_HYBRID_HOTSEAT.get()) {
             FileLog.d(TAG, "appLaunch: packageName:" + info.getTargetComponent().getPackageName()
@@ -194,8 +185,11 @@
     public void logNotificationLaunch(View v, PendingIntent intent) {
         LauncherEvent event = newLauncherEvent(newTouchAction(Action.Touch.TAP),
                 newItemTarget(v, mInstantAppResolver), newTarget(Target.Type.CONTAINER));
-        if (fillInLogContainerData(event, v)) {
-            event.srcTarget[0].packageNameHash = (mUuidStr + intent.getCreatorPackage()).hashCode();
+        Target itemTarget = newItemTarget(v, mInstantAppResolver);
+        ArrayList<Target> targets = makeTargetsList(itemTarget);
+
+        if (fillLogContainer(v, itemTarget, targets)) {
+            itemTarget.packageNameHash = (mUuidStr + intent.getCreatorPackage()).hashCode();
         }
         dispatchUserEvent(event, null);
     }
@@ -241,50 +235,45 @@
         LauncherEvent event = newLauncherEvent(newCommandAction(command),
                 newItemTarget(itemView, mInstantAppResolver), newTarget(Target.Type.CONTAINER));
 
-        if (fillInLogContainerData(event, itemView)) {
+        Target itemTarget = newItemTarget(itemView, mInstantAppResolver);
+        ArrayList<Target> targets = makeTargetsList(itemTarget);
+
+        if (fillLogContainer(itemView, itemTarget, targets)) {
             // TODO: Remove the following two lines once fillInLogContainerData can take in a
             // container view.
-            event.srcTarget[0].type = Target.Type.CONTAINER;
-            event.srcTarget[0].containerType = srcContainerType;
+            itemTarget.type = Target.Type.CONTAINER;
+            itemTarget.containerType = srcContainerType;
         }
         dispatchUserEvent(event, null);
     }
 
     public void logActionOnControl(int action, int controlType) {
-        logActionOnControl(action, controlType, null, -1);
+        logActionOnControl(action, controlType, null);
     }
 
     public void logActionOnControl(int action, int controlType, int parentContainerType) {
         logActionOnControl(action, controlType, null, parentContainerType);
     }
 
-    public void logActionOnControl(int action, int controlType, @Nullable View controlInContainer) {
-        logActionOnControl(action, controlType, controlInContainer, -1);
-    }
+    /**
+     * Logs control action with proper parent hierarchy
+     */
+    public void logActionOnControl(int actionType, int controlType,
+            @Nullable View controlInContainer, int... parentTypes) {
+        Target control = newTarget(Target.Type.CONTROL);
+        control.controlType = controlType;
+        Action action = newAction(actionType);
 
-    public void logActionOnControl(int action, int controlType, int parentContainer,
-            int grandParentContainer) {
-        LauncherEvent event = newLauncherEvent(newTouchAction(action),
-                newControlTarget(controlType),
-                newContainerTarget(parentContainer),
-                newContainerTarget(grandParentContainer));
-        dispatchUserEvent(event, null);
-    }
-
-    public void logActionOnControl(int action, int controlType, @Nullable View controlInContainer,
-            int parentContainerType) {
-        final LauncherEvent event = (controlInContainer == null && parentContainerType < 0)
-                ? newLauncherEvent(newTouchAction(action), newTarget(Target.Type.CONTROL))
-                : newLauncherEvent(newTouchAction(action), newTarget(Target.Type.CONTROL),
-                newTarget(Target.Type.CONTAINER));
-        event.srcTarget[0].controlType = controlType;
+        ArrayList<Target> targets = makeTargetsList(control);
         if (controlInContainer != null) {
-            fillInLogContainerData(event, controlInContainer);
+            fillLogContainer(controlInContainer, control, targets);
         }
-        if (parentContainerType >= 0) {
-            event.srcTarget[1].containerType = parentContainerType;
+        for (int parentContainerType : parentTypes) {
+            if (parentContainerType < 0) continue;
+            targets.add(newContainerTarget(parentContainerType));
         }
-        if (action == Action.Touch.DRAGDROP) {
+        LauncherEvent event = newLauncherEvent(action, targets);
+        if (actionType == Action.Touch.DRAGDROP) {
             event.actionDurationMillis = SystemClock.uptimeMillis() - mActionDurationMillis;
         }
         dispatchUserEvent(event, null);
@@ -375,15 +364,16 @@
      * Logs proto lite version of LauncherEvent object to clearcut.
      */
     public void logLauncherEvent(
-                com.android.launcher3.userevent.LauncherLogProto.LauncherEvent launcherEvent) {
+            com.android.launcher3.userevent.LauncherLogProto.LauncherEvent launcherEvent) {
 
         if (mPreviousHomeGesture) {
             mPreviousHomeGesture = false;
         }
         mAppOrTaskLaunch = false;
         launcherEvent.toBuilder()
-            .setElapsedContainerMillis(SystemClock.uptimeMillis() - mElapsedContainerMillis)
-            .setElapsedSessionMillis(SystemClock.uptimeMillis() - mElapsedSessionMillis).build();
+                .setElapsedContainerMillis(SystemClock.uptimeMillis() - mElapsedContainerMillis)
+                .setElapsedSessionMillis(
+                        SystemClock.uptimeMillis() - mElapsedSessionMillis).build();
         if (!IS_VERBOSE) {
             return;
         }
@@ -391,36 +381,35 @@
     }
 
     public void logDeepShortcutsOpen(View icon) {
-        LogContainerProvider provider = StatsLogUtils.getLaunchProviderRecursive(icon);
-        if (icon == null || !(icon.getTag() instanceof ItemInfo || provider == null)) {
-            return;
-        }
         ItemInfo info = (ItemInfo) icon.getTag();
-        LauncherEvent event = newLauncherEvent(newTouchAction(Action.Touch.LONGPRESS),
-                newItemTarget(info, mInstantAppResolver), newTarget(Target.Type.CONTAINER));
-        provider.fillInLogContainerData(icon, info, event.srcTarget[0], event.srcTarget[1]);
-        dispatchUserEvent(event, null);
-
+        Target child = newItemTarget(info, mInstantAppResolver);
+        ArrayList<Target> targets = makeTargetsList(child);
+        fillLogContainer(icon, child, targets);
+        dispatchUserEvent(newLauncherEvent(newTouchAction(Action.Touch.TAP), targets), null);
         resetElapsedContainerMillis("deep shortcut open");
     }
 
     public void logDragNDrop(DropTarget.DragObject dragObj, View dropTargetAsView) {
-        LauncherEvent event = newLauncherEvent(newTouchAction(Action.Touch.DRAGDROP),
-                newItemTarget(dragObj.originalDragInfo, mInstantAppResolver),
-                newTarget(Target.Type.CONTAINER));
-        event.destTarget = new Target[]{
-                newItemTarget(dragObj.originalDragInfo, mInstantAppResolver),
-                newDropTarget(dropTargetAsView)
-        };
+        Target srcChild = newItemTarget(dragObj.originalDragInfo, mInstantAppResolver);
+        ArrayList<Target> srcTargets = makeTargetsList(srcChild);
 
-        dragObj.dragSource.fillInLogContainerData(null, dragObj.originalDragInfo,
-                event.srcTarget[0], event.srcTarget[1]);
 
+        Target destChild = newItemTarget(dragObj.originalDragInfo, mInstantAppResolver);
+        ArrayList<Target> destTargets = makeTargetsList(destChild);
+
+        dragObj.dragSource.fillInLogContainerData(dragObj.originalDragInfo, srcChild, srcTargets);
         if (dropTargetAsView instanceof LogContainerProvider) {
-            ((LogContainerProvider) dropTargetAsView).fillInLogContainerData(null,
-                    dragObj.dragInfo, event.destTarget[0], event.destTarget[1]);
-
+            ((LogContainerProvider) dropTargetAsView).fillInLogContainerData(dragObj.dragInfo,
+                    destChild, destTargets);
         }
+        else {
+            destTargets.add(newDropTarget(dropTargetAsView));
+        }
+        LauncherEvent event = newLauncherEvent(newTouchAction(Action.Touch.DRAGDROP), srcTargets);
+        Target[] destTargetsArray = new Target[destTargets.size()];
+        destTargets.toArray(destTargetsArray);
+        event.destTarget = destTargetsArray;
+
         event.actionDurationMillis = SystemClock.uptimeMillis() - mActionDurationMillis;
         dispatchUserEvent(event, null);
     }
@@ -444,8 +433,6 @@
 
     /**
      * Currently logs following containers: workspace, allapps, widget tray.
-     *
-     * @param reason
      */
     public final void resetElapsedContainerMillis(String reason) {
         mElapsedContainerMillis = SystemClock.uptimeMillis();
@@ -515,4 +502,15 @@
         }
         return result;
     }
+
+    /**
+     * Constructs an ArrayList with targets
+     */
+    public static ArrayList<Target> makeTargetsList(Target... targets) {
+        ArrayList<Target> result = new ArrayList<>();
+        for (Target target : targets) {
+            result.add(target);
+        }
+        return result;
+    }
 }
diff --git a/src/com/android/launcher3/popup/PopupContainerWithArrow.java b/src/com/android/launcher3/popup/PopupContainerWithArrow.java
index 445acca..5af5ebb 100644
--- a/src/com/android/launcher3/popup/PopupContainerWithArrow.java
+++ b/src/com/android/launcher3/popup/PopupContainerWithArrow.java
@@ -18,6 +18,7 @@
 
 import static com.android.launcher3.Utilities.squaredHypot;
 import static com.android.launcher3.Utilities.squaredTouchSlop;
+import static com.android.launcher3.logging.LoggerUtils.newContainerTarget;
 import static com.android.launcher3.notification.NotificationMainView.NOTIFICATION_ITEM_INFO;
 import static com.android.launcher3.popup.PopupPopulator.MAX_SHORTCUTS;
 import static com.android.launcher3.popup.PopupPopulator.MAX_SHORTCUTS_IF_NOTIFICATIONS;
@@ -58,7 +59,6 @@
 import com.android.launcher3.dragndrop.DragController;
 import com.android.launcher3.dragndrop.DragOptions;
 import com.android.launcher3.dragndrop.DragView;
-import com.android.launcher3.logging.LoggerUtils;
 import com.android.launcher3.notification.NotificationInfo;
 import com.android.launcher3.notification.NotificationItemView;
 import com.android.launcher3.notification.NotificationKeyData;
@@ -172,7 +172,7 @@
             BaseDragLayer dl = getPopupContainer();
             if (!dl.isEventOverView(this, ev)) {
                 mLauncher.getUserEventDispatcher().logActionTapOutside(
-                        LoggerUtils.newContainerTarget(ContainerType.DEEPSHORTCUTS));
+                        newContainerTarget(ContainerType.DEEPSHORTCUTS));
                 close(true);
 
                 // We let touches on the original icon go through so that users can launch
@@ -485,14 +485,15 @@
     }
 
     @Override
-    public void fillInLogContainerData(View v, ItemInfo info, Target target, Target targetParent) {
-        if (info == NOTIFICATION_ITEM_INFO) {
-            target.itemType = ItemType.NOTIFICATION;
+    public void fillInLogContainerData(ItemInfo childInfo, Target child,
+            ArrayList<Target> parents) {
+        if (childInfo == NOTIFICATION_ITEM_INFO) {
+            child.itemType = ItemType.NOTIFICATION;
         } else {
-            target.itemType = ItemType.DEEPSHORTCUT;
-            target.rank = info.rank;
+            child.itemType = ItemType.DEEPSHORTCUT;
+            child.rank = childInfo.rank;
         }
-        targetParent.containerType = ContainerType.DEEPSHORTCUTS;
+        parents.add(newContainerTarget(ContainerType.DEEPSHORTCUTS));
     }
 
     @Override
diff --git a/src/com/android/launcher3/widget/BaseWidgetSheet.java b/src/com/android/launcher3/widget/BaseWidgetSheet.java
index df1a469..73a0615 100644
--- a/src/com/android/launcher3/widget/BaseWidgetSheet.java
+++ b/src/com/android/launcher3/widget/BaseWidgetSheet.java
@@ -41,6 +41,8 @@
 import com.android.launcher3.util.Themes;
 import com.android.launcher3.views.AbstractSlideInView;
 
+import java.util.ArrayList;
+
 /**
  * Base class for various widgets popup
  */
@@ -144,9 +146,11 @@
     }
 
     @Override
-    public void fillInLogContainerData(View v, ItemInfo info, Target target, Target targetParent) {
-        targetParent.containerType = ContainerType.WIDGETS;
-        targetParent.cardinality = getElementsRowCount();
+    public void fillInLogContainerData(ItemInfo childInfo, Target child,
+            ArrayList<Target> parents) {
+        Target target = newContainerTarget(ContainerType.WIDGETS);
+        target.cardinality = getElementsRowCount();
+        parents.add(target);
     }
 
     @Override