Fixing taskMenu and taskView clicks in fallback activity

> Extracting common methods from Launcher & DragLauncher to base classes
> Remoting some dependencies on Launcher and using the base class instead

Change-Id: I121cacf8a14190b4703cda60bdeb4f79eee69ded

21 files changed, 749 insertions, 546 deletions

diff --git a/quickstep/res/layout/fallback_recents_activity.xml b/quickstep/res/layout/fallback_recents_activity.xml
index c41684455..b3fc4ed58 100644
--- a/quickstep/res/layout/fallback_recents_activity.xml
+++ b/quickstep/res/layout/fallback_recents_activity.xml
@@ -15,15 +15,17 @@
 -->
 <com.android.quickstep.RecentsRootView
     xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/drag_layer"
     android:layout_width="match_parent"
     android:layout_height="match_parent">
 
     <com.android.quickstep.FallbackRecentsView
         xmlns:android="http://schemas.android.com/apk/res/android"
-        android:theme="@style/HomeScreenElementTheme"
+        android:id="@+id/overview_panel"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:clipChildren="false"
-        android:clipToPadding="false" />
+        android:clipToPadding="false"
+        android:theme="@style/HomeScreenElementTheme" />
 
 </com.android.quickstep.RecentsRootView>
\ No newline at end of file
diff --git a/quickstep/src/com/android/launcher3/uioverrides/UiFactory.java b/quickstep/src/com/android/launcher3/uioverrides/UiFactory.java
index 9051cfbfc..789185a39 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/UiFactory.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/UiFactory.java
@@ -36,11 +36,13 @@ public class UiFactory {
     public static TouchController[] createTouchControllers(Launcher launcher) {
         if (FeatureFlags.ENABLE_TWO_SWIPE_TARGETS) {
             return new TouchController[] {
+                    launcher.getDragController(),
                     new EdgeSwipeController(launcher),
                     new TwoStepSwipeController(launcher),
                     new OverviewSwipeController(launcher)};
         } else {
             return new TouchController[] {
+                    launcher.getDragController(),
                     new TwoStepSwipeController(launcher),
                     new OverviewSwipeController(launcher)};
         }
diff --git a/quickstep/src/com/android/quickstep/RecentsActivity.java b/quickstep/src/com/android/quickstep/RecentsActivity.java
index 598c34de0..1d443fd2a 100644
--- a/quickstep/src/com/android/quickstep/RecentsActivity.java
+++ b/quickstep/src/com/android/quickstep/RecentsActivity.java
@@ -15,17 +15,25 @@
  */
 package com.android.quickstep;
 
+import android.app.ActivityOptions;
 import android.os.Bundle;
+import android.view.View;
 
-import com.android.launcher3.BaseActivity;
+import com.android.launcher3.BaseDraggingActivity;
 import com.android.launcher3.InvariantDeviceProfile;
+import com.android.launcher3.ItemInfo;
 import com.android.launcher3.LauncherAppState;
 import com.android.launcher3.R;
+import com.android.launcher3.badge.BadgeInfo;
+import com.android.launcher3.views.BaseDragLayer;
 
 /**
  * A simple activity to show the recently launched tasks
  */
-public class RecentsActivity extends BaseActivity {
+public class RecentsActivity extends BaseDraggingActivity {
+
+    private RecentsRootView mRecentsRootView;
+    private FallbackRecentsView mFallbackRecentsView;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -39,5 +47,30 @@ public class RecentsActivity extends BaseActivity {
                 : new InvariantDeviceProfile(this).getDeviceProfile(this));
 
         setContentView(R.layout.fallback_recents_activity);
+        mRecentsRootView = findViewById(R.id.drag_layer);
+        mFallbackRecentsView = findViewById(R.id.overview_panel);
+    }
+
+    @Override
+    public BaseDragLayer getDragLayer() {
+        return mRecentsRootView;
     }
+
+    @Override
+    public <T extends View> T getOverviewPanel() {
+        return (T) mFallbackRecentsView;
+    }
+
+    @Override
+    public BadgeInfo getBadgeInfoForItem(ItemInfo info) {
+        return null;
+    }
+
+    @Override
+    public ActivityOptions getActivityLaunchOptions(View v, boolean useDefaultLaunchOptions) {
+        return null;
+    }
+
+    @Override
+    public void invalidateParent(ItemInfo info) { }
 }
diff --git a/quickstep/src/com/android/quickstep/RecentsRootView.java b/quickstep/src/com/android/quickstep/RecentsRootView.java
index 3c69dbfd6..24785f931 100644
--- a/quickstep/src/com/android/quickstep/RecentsRootView.java
+++ b/quickstep/src/com/android/quickstep/RecentsRootView.java
@@ -21,17 +21,19 @@ import android.graphics.Rect;
 import android.util.AttributeSet;
 
 import com.android.launcher3.BaseActivity;
-import com.android.launcher3.InsettableFrameLayout;
 import com.android.launcher3.R;
 import com.android.launcher3.util.Themes;
+import com.android.launcher3.util.TouchController;
+import com.android.launcher3.views.BaseDragLayer;
 
-public class RecentsRootView extends InsettableFrameLayout {
+public class RecentsRootView extends BaseDragLayer<RecentsActivity> {
 
     private final BaseActivity mActivity;
 
     public RecentsRootView(Context context, AttributeSet attrs) {
         super(context, attrs);
         mActivity = BaseActivity.fromContext(context);
+        mControllers = new TouchController[0];
     }
 
     @TargetApi(23)
diff --git a/quickstep/src/com/android/quickstep/TaskSystemShortcut.java b/quickstep/src/com/android/quickstep/TaskSystemShortcut.java
index eebfb9165..202259530 100644
--- a/quickstep/src/com/android/quickstep/TaskSystemShortcut.java
+++ b/quickstep/src/com/android/quickstep/TaskSystemShortcut.java
@@ -30,8 +30,8 @@ import android.view.View;
 import android.view.ViewTreeObserver.OnPreDrawListener;
 
 import com.android.launcher3.AbstractFloatingView;
+import com.android.launcher3.BaseDraggingActivity;
 import com.android.launcher3.ItemInfo;
-import com.android.launcher3.Launcher;
 import com.android.launcher3.R;
 import com.android.launcher3.ShortcutInfo;
 import com.android.launcher3.popup.SystemShortcut;
@@ -70,11 +70,12 @@ public class TaskSystemShortcut<T extends SystemShortcut> extends SystemShortcut
     }
 
     @Override
-    public View.OnClickListener getOnClickListener(Launcher launcher, ItemInfo itemInfo) {
+    public View.OnClickListener getOnClickListener(
+            BaseDraggingActivity activity, ItemInfo itemInfo) {
         return null;
     }
 
-    public View.OnClickListener getOnClickListener(final Launcher launcher, final TaskView view) {
+    public View.OnClickListener getOnClickListener(BaseDraggingActivity activity, TaskView view) {
         Task task = view.getTask();
 
         ShortcutInfo dummyInfo = new ShortcutInfo();
@@ -82,14 +83,14 @@ public class TaskSystemShortcut<T extends SystemShortcut> extends SystemShortcut
         ComponentName component = task.getTopComponent();
         dummyInfo.intent.setComponent(component);
         dummyInfo.user = UserHandle.of(task.key.userId);
-        dummyInfo.title = TaskUtils.getTitle(launcher, task);
+        dummyInfo.title = TaskUtils.getTitle(activity, task);
 
-        return getOnClickListenerForTask(launcher, task, dummyInfo);
+        return getOnClickListenerForTask(activity, task, dummyInfo);
     }
 
-    protected View.OnClickListener getOnClickListenerForTask(final Launcher launcher,
-            final Task task, final ItemInfo dummyInfo) {
-        return mSystemShortcut.getOnClickListener(launcher, dummyInfo);
+    protected View.OnClickListener getOnClickListenerForTask(
+            BaseDraggingActivity activity, Task task, ItemInfo dummyInfo) {
+        return mSystemShortcut.getOnClickListener(activity, dummyInfo);
     }
 
     public static class AppInfo extends TaskSystemShortcut<SystemShortcut.AppInfo> {
@@ -109,8 +110,9 @@ public class TaskSystemShortcut<T extends SystemShortcut> extends SystemShortcut
         }
 
         @Override
-        public View.OnClickListener getOnClickListener(Launcher launcher, TaskView taskView) {
-            if (launcher.getDeviceProfile().isMultiWindowMode) {
+        public View.OnClickListener getOnClickListener(
+                BaseDraggingActivity activity, TaskView taskView) {
+            if (activity.getDeviceProfile().isMultiWindowMode) {
                 return null;
             }
             final Task task  = taskView.getTask();
@@ -119,12 +121,12 @@ public class TaskSystemShortcut<T extends SystemShortcut> extends SystemShortcut
             }
             mTaskView = taskView;
             return (v -> {
-                AbstractFloatingView.closeOpenViews(launcher, true,
+                AbstractFloatingView.closeOpenViews(activity, true,
                         AbstractFloatingView.TYPE_ALL & ~AbstractFloatingView.TYPE_REBIND_SAFE);
 
                 if (ActivityManagerWrapper.getInstance().startActivityFromRecents(task.key.id,
                         ActivityOptionsCompat.makeSplitScreenOptions(true))) {
-                    ISystemUiProxy sysUiProxy = RecentsModel.getInstance(launcher).getSystemUiProxy();
+                    ISystemUiProxy sysUiProxy = RecentsModel.getInstance(activity).getSystemUiProxy();
                     try {
                         sysUiProxy.onSplitScreenInvoked();
                     } catch (RemoteException e) {
@@ -134,7 +136,7 @@ public class TaskSystemShortcut<T extends SystemShortcut> extends SystemShortcut
 
                     final Runnable animStartedListener = () -> {
                         mTaskView.getViewTreeObserver().addOnPreDrawListener(SplitScreen.this);
-                        launcher.<RecentsView>getOverviewPanel().removeView(taskView);
+                        activity.<RecentsView>getOverviewPanel().removeView(taskView);
                     };
 
                     final int[] position = new int[2];
@@ -178,8 +180,9 @@ public class TaskSystemShortcut<T extends SystemShortcut> extends SystemShortcut
         }
 
         @Override
-        public View.OnClickListener getOnClickListener(Launcher launcher, TaskView taskView) {
-            ISystemUiProxy sysUiProxy = RecentsModel.getInstance(launcher).getSystemUiProxy();
+        public View.OnClickListener getOnClickListener(
+                BaseDraggingActivity activity, TaskView taskView) {
+            ISystemUiProxy sysUiProxy = RecentsModel.getInstance(activity).getSystemUiProxy();
             if (sysUiProxy == null) {
                 return null;
             }
@@ -211,11 +214,11 @@ public class TaskSystemShortcut<T extends SystemShortcut> extends SystemShortcut
         }
 
         @Override
-        protected View.OnClickListener getOnClickListenerForTask(Launcher launcher, Task task,
-                ItemInfo itemInfo) {
-            if (InstantAppResolver.newInstance(launcher).isInstantApp(launcher,
+        protected View.OnClickListener getOnClickListenerForTask(
+                BaseDraggingActivity activity, Task task, ItemInfo itemInfo) {
+            if (InstantAppResolver.newInstance(activity).isInstantApp(activity,
                         task.getTopComponent().getPackageName())) {
-                return mSystemShortcut.createOnClickListener(launcher, itemInfo);
+                return mSystemShortcut.createOnClickListener(activity, itemInfo);
             }
             return null;
         }
diff --git a/quickstep/src/com/android/quickstep/TaskUtils.java b/quickstep/src/com/android/quickstep/TaskUtils.java
index b31d42fb6..2df951b86 100644
--- a/quickstep/src/com/android/quickstep/TaskUtils.java
+++ b/quickstep/src/com/android/quickstep/TaskUtils.java
@@ -16,12 +16,12 @@
 
 package com.android.quickstep;
 
+import android.content.Context;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 import android.os.UserHandle;
 import android.util.Log;
 
-import com.android.launcher3.Launcher;
 import com.android.launcher3.compat.LauncherAppsCompat;
 import com.android.launcher3.compat.UserManagerCompat;
 import com.android.systemui.shared.recents.model.Task;
@@ -34,10 +34,10 @@ public class TaskUtils {
 
     private static final String TAG = "TaskUtils";
 
-    public static CharSequence getTitle(Launcher launcher, Task task) {
-        LauncherAppsCompat launcherAppsCompat = LauncherAppsCompat.getInstance(launcher);
-        UserManagerCompat userManagerCompat = UserManagerCompat.getInstance(launcher);
-        PackageManager packageManager = launcher.getPackageManager();
+    public static CharSequence getTitle(Context context, Task task) {
+        LauncherAppsCompat launcherAppsCompat = LauncherAppsCompat.getInstance(context);
+        UserManagerCompat userManagerCompat = UserManagerCompat.getInstance(context);
+        PackageManager packageManager = context.getPackageManager();
         UserHandle user = UserHandle.of(task.key.userId);
         ApplicationInfo applicationInfo = launcherAppsCompat.getApplicationInfo(
             task.getTopComponent().getPackageName(), 0, user);
diff --git a/quickstep/src/com/android/quickstep/views/TaskMenuView.java b/quickstep/src/com/android/quickstep/views/TaskMenuView.java
index 94f440dcd..30cbcdf67 100644
--- a/quickstep/src/com/android/quickstep/views/TaskMenuView.java
+++ b/quickstep/src/com/android/quickstep/views/TaskMenuView.java
@@ -32,14 +32,14 @@ import android.view.animation.AccelerateDecelerateInterpolator;
 import android.widget.TextView;
 
 import com.android.launcher3.AbstractFloatingView;
-import com.android.launcher3.Launcher;
+import com.android.launcher3.BaseDraggingActivity;
 import com.android.launcher3.LauncherAnimUtils;
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.anim.AnimationSuccessListener;
 import com.android.launcher3.anim.RoundedRectRevealOutlineProvider;
-import com.android.launcher3.dragndrop.DragLayer;
 import com.android.launcher3.shortcuts.DeepShortcutView;
+import com.android.launcher3.views.BaseDragLayer;
 import com.android.quickstep.TaskSystemShortcut;
 import com.android.quickstep.TaskUtils;
 
@@ -60,7 +60,7 @@ public class TaskMenuView extends AbstractFloatingView {
 
     private static final long OPEN_CLOSE_DURATION = 220;
 
-    private Launcher mLauncher;
+    private BaseDraggingActivity mActivity;
     private TextView mTaskIconAndName;
     private AnimatorSet mOpenCloseAnimator;
     private TaskView mTaskView;
@@ -72,7 +72,7 @@ public class TaskMenuView extends AbstractFloatingView {
     public TaskMenuView(Context context, AttributeSet attrs, int defStyleAttr) {
         super(context, attrs, defStyleAttr);
 
-        mLauncher = Launcher.getLauncher(context);
+        mActivity = BaseDraggingActivity.fromContext(context);
         setClipToOutline(true);
         setOutlineProvider(new ViewOutlineProvider() {
             @Override
@@ -92,7 +92,7 @@ public class TaskMenuView extends AbstractFloatingView {
     @Override
     public boolean onControllerInterceptTouchEvent(MotionEvent ev) {
         if (ev.getAction() == MotionEvent.ACTION_DOWN) {
-            DragLayer dl = mLauncher.getDragLayer();
+            BaseDragLayer dl = mActivity.getDragLayer();
             if (!dl.isEventOverView(this, ev)) {
                 // TODO: log this once we have a new container type for it?
                 close(true);
@@ -122,9 +122,9 @@ public class TaskMenuView extends AbstractFloatingView {
     }
 
     public static boolean showForTask(TaskView taskView) {
-        Launcher launcher = Launcher.getLauncher(taskView.getContext());
-        final TaskMenuView taskMenuView = (TaskMenuView) launcher.getLayoutInflater().inflate(
-                        R.layout.task_menu, launcher.getDragLayer(), false);
+        BaseDraggingActivity activity = BaseDraggingActivity.fromContext(taskView.getContext());
+        final TaskMenuView taskMenuView = (TaskMenuView) activity.getLayoutInflater().inflate(
+                        R.layout.task_menu, activity.getDragLayer(), false);
         return taskMenuView.populateAndShowForTask(taskView);
     }
 
@@ -132,7 +132,7 @@ public class TaskMenuView extends AbstractFloatingView {
         if (isAttachedToWindow()) {
             return false;
         }
-        mLauncher.getDragLayer().addView(this);
+        mActivity.getDragLayer().addView(this);
         mTaskView = taskView;
         addMenuOptions(mTaskView);
         orientAroundTaskView(mTaskView);
@@ -145,11 +145,11 @@ public class TaskMenuView extends AbstractFloatingView {
         int iconSize = getResources().getDimensionPixelSize(R.dimen.task_thumbnail_icon_size);
         icon.setBounds(0, 0, iconSize, iconSize);
         mTaskIconAndName.setCompoundDrawables(null, icon, null, null);
-        mTaskIconAndName.setText(TaskUtils.getTitle(mLauncher, taskView.getTask()));
+        mTaskIconAndName.setText(TaskUtils.getTitle(getContext(), taskView.getTask()));
         mTaskIconAndName.setOnClickListener(v -> close(true));
 
         for (TaskSystemShortcut menuOption : MENU_OPTIONS) {
-            OnClickListener onClickListener = menuOption.getOnClickListener(mLauncher, taskView);
+            OnClickListener onClickListener = menuOption.getOnClickListener(mActivity, taskView);
             if (onClickListener != null) {
                 addMenuOption(menuOption, onClickListener);
             }
@@ -157,7 +157,7 @@ public class TaskMenuView extends AbstractFloatingView {
     }
 
     private void addMenuOption(TaskSystemShortcut menuOption, OnClickListener onClickListener) {
-        DeepShortcutView menuOptionView = (DeepShortcutView) mLauncher.getLayoutInflater().inflate(
+        DeepShortcutView menuOptionView = (DeepShortcutView) mActivity.getLayoutInflater().inflate(
                 R.layout.system_shortcut, this, false);
         menuOptionView.getIconView().setBackgroundResource(menuOption.iconResId);
         menuOptionView.getBubbleText().setText(menuOption.labelResId);
@@ -167,8 +167,8 @@ public class TaskMenuView extends AbstractFloatingView {
 
     private void orientAroundTaskView(TaskView taskView) {
         measure(MeasureSpec.UNSPECIFIED, MeasureSpec.UNSPECIFIED);
-        mLauncher.getDragLayer().getDescendantRectRelativeToSelf(taskView, sTempRect);
-        Rect insets = mLauncher.getDragLayer().getInsets();
+        mActivity.getDragLayer().getDescendantRectRelativeToSelf(taskView, sTempRect);
+        Rect insets = mActivity.getDragLayer().getInsets();
         int x = sTempRect.left + (sTempRect.width() - getMeasuredWidth()) / 2 - insets.left;
         setX(Utilities.isRtl(getResources()) ? -x : x);
         setY(sTempRect.top - mTaskIconAndName.getPaddingTop() - insets.top);
@@ -211,7 +211,7 @@ public class TaskMenuView extends AbstractFloatingView {
 
     private void closeComplete() {
         mIsOpen = false;
-        mLauncher.getDragLayer().removeView(this);
+        mActivity.getDragLayer().removeView(this);
     }
 
     private RoundedRectRevealOutlineProvider createOpenCloseOutlineProvider() {
diff --git a/quickstep/src/com/android/quickstep/views/TaskView.java b/quickstep/src/com/android/quickstep/views/TaskView.java
index 7a575ad25..c20b577e1 100644
--- a/quickstep/src/com/android/quickstep/views/TaskView.java
+++ b/quickstep/src/com/android/quickstep/views/TaskView.java
@@ -28,6 +28,7 @@ import android.view.ViewOutlineProvider;
 import android.widget.FrameLayout;
 import android.widget.ImageView;
 
+import com.android.launcher3.BaseDraggingActivity;
 import com.android.launcher3.Launcher;
 import com.android.launcher3.R;
 import com.android.quickstep.views.RecentsView.PageCallbacks;
@@ -110,7 +111,8 @@ public class TaskView extends FrameLayout implements TaskCallbacks, PageCallback
         if (mTask != null) {
             final ActivityOptions opts;
             if (animate) {
-                opts = Launcher.getLauncher(getContext()).getActivityLaunchOptions(this, false);
+                opts = BaseDraggingActivity.fromContext(getContext())
+                        .getActivityLaunchOptions(this, false);
             } else {
                 opts = ActivityOptions.makeCustomAnimation(getContext(), 0, 0);
             }
diff --git a/src/com/android/launcher3/AbstractFloatingView.java b/src/com/android/launcher3/AbstractFloatingView.java
index fc5ce8f2b..f34cf0dc5 100644
--- a/src/com/android/launcher3/AbstractFloatingView.java
+++ b/src/com/android/launcher3/AbstractFloatingView.java
@@ -24,9 +24,9 @@ import android.view.MotionEvent;
 import android.view.View;
 import android.widget.LinearLayout;
 
-import com.android.launcher3.dragndrop.DragLayer;
 import com.android.launcher3.userevent.nano.LauncherLogProto.Action;
 import com.android.launcher3.util.TouchController;
+import com.android.launcher3.views.BaseDragLayer;
 
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
@@ -92,7 +92,7 @@ public abstract class AbstractFloatingView extends LinearLayout implements Touch
     public final void close(boolean animate) {
         animate &= !Utilities.isPowerSaverOn(getContext());
         handleClose(animate);
-        Launcher.getLauncher(getContext()).getUserEventDispatcher()
+        BaseActivity.fromContext(getContext()).getUserEventDispatcher()
                 .resetElapsedContainerMillis("container closed");
     }
 
@@ -120,8 +120,8 @@ public abstract class AbstractFloatingView extends LinearLayout implements Touch
     }
 
     protected static <T extends AbstractFloatingView> T getOpenView(
-            Launcher launcher, @FloatingViewType int type) {
-        DragLayer dragLayer = launcher.getDragLayer();
+            BaseDraggingActivity activity, @FloatingViewType int type) {
+        BaseDragLayer dragLayer = activity.getDragLayer();
         // Iterate in reverse order. AbstractFloatingView is added later to the dragLayer,
         // and will be one of the last views.
         for (int i = dragLayer.getChildCount() - 1; i >= 0; i--) {
@@ -136,16 +136,17 @@ public abstract class AbstractFloatingView extends LinearLayout implements Touch
         return null;
     }
 
-    public static void closeOpenContainer(Launcher launcher, @FloatingViewType int type) {
-        AbstractFloatingView view = getOpenView(launcher, type);
+    public static void closeOpenContainer(BaseDraggingActivity activity,
+            @FloatingViewType int type) {
+        AbstractFloatingView view = getOpenView(activity, type);
         if (view != null) {
             view.close(true);
         }
     }
 
-    public static void closeOpenViews(Launcher launcher, boolean animate,
+    public static void closeOpenViews(BaseDraggingActivity activity, boolean animate,
             @FloatingViewType int type) {
-        DragLayer dragLayer = launcher.getDragLayer();
+        BaseDragLayer dragLayer = activity.getDragLayer();
         // Iterate in reverse order. AbstractFloatingView is added later to the dragLayer,
         // and will be one of the last views.
         for (int i = dragLayer.getChildCount() - 1; i >= 0; i--) {
@@ -159,16 +160,16 @@ public abstract class AbstractFloatingView extends LinearLayout implements Touch
         }
     }
 
-    public static void closeAllOpenViews(Launcher launcher, boolean animate) {
-        closeOpenViews(launcher, animate, TYPE_ALL);
-        launcher.finishAutoCancelActionMode();
+    public static void closeAllOpenViews(BaseDraggingActivity activity, boolean animate) {
+        closeOpenViews(activity, animate, TYPE_ALL);
+        activity.finishAutoCancelActionMode();
     }
 
-    public static void closeAllOpenViews(Launcher launcher) {
-        closeAllOpenViews(launcher, true);
+    public static void closeAllOpenViews(BaseDraggingActivity activity) {
+        closeAllOpenViews(activity, true);
     }
 
-    public static AbstractFloatingView getTopOpenView(Launcher launcher) {
-        return getOpenView(launcher, TYPE_ALL);
+    public static AbstractFloatingView getTopOpenView(BaseDraggingActivity activity) {
+        return getOpenView(activity, TYPE_ALL);
     }
 }
diff --git a/src/com/android/launcher3/BaseDraggingActivity.java b/src/com/android/launcher3/BaseDraggingActivity.java
new file mode 100644
index 000000000..35edaf466
--- /dev/null
+++ b/src/com/android/launcher3/BaseDraggingActivity.java
@@ -0,0 +1,191 @@
+/*
+ * Copyright (C) 2018 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;
+
+import android.app.ActivityOptions;
+import android.content.ActivityNotFoundException;
+import android.content.Context;
+import android.content.ContextWrapper;
+import android.content.Intent;
+import android.graphics.Rect;
+import android.os.Bundle;
+import android.os.Process;
+import android.os.StrictMode;
+import android.os.UserHandle;
+import android.util.Log;
+import android.view.ActionMode;
+import android.view.View;
+import android.widget.Toast;
+
+import com.android.launcher3.LauncherSettings.Favorites;
+import com.android.launcher3.badge.BadgeInfo;
+import com.android.launcher3.compat.LauncherAppsCompat;
+import com.android.launcher3.shortcuts.DeepShortcutManager;
+import com.android.launcher3.views.BaseDragLayer;
+
+/**
+ * Extension of BaseActivity allowing support for drag-n-drop
+ */
+public abstract class BaseDraggingActivity extends BaseActivity {
+
+    private static final String TAG = "BaseDraggingActivity";
+
+    // The Intent extra that defines whether to ignore the launch animation
+    private static final String INTENT_EXTRA_IGNORE_LAUNCH_ANIMATION =
+            "com.android.launcher3.intent.extra.shortcut.INGORE_LAUNCH_ANIMATION";
+
+    // When starting an action mode, setting this tag will cause the action mode to be cancelled
+    // automatically when user interacts with the launcher.
+    public static final Object AUTO_CANCEL_ACTION_MODE = new Object();
+
+    private ActionMode mCurrentActionMode;
+    protected boolean mIsSafeModeEnabled;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        mIsSafeModeEnabled = getPackageManager().isSafeMode();
+    }
+
+    @Override
+    public void onActionModeStarted(ActionMode mode) {
+        super.onActionModeStarted(mode);
+        mCurrentActionMode = mode;
+    }
+
+    @Override
+    public void onActionModeFinished(ActionMode mode) {
+        super.onActionModeFinished(mode);
+        mCurrentActionMode = null;
+    }
+
+    public boolean finishAutoCancelActionMode() {
+        if (mCurrentActionMode != null && AUTO_CANCEL_ACTION_MODE == mCurrentActionMode.getTag()) {
+            mCurrentActionMode.finish();
+            return true;
+        }
+        return false;
+    }
+
+    public abstract BaseDragLayer getDragLayer();
+
+    public abstract <T extends View> T getOverviewPanel();
+
+    public abstract BadgeInfo getBadgeInfoForItem(ItemInfo info);
+
+    public abstract void invalidateParent(ItemInfo info);
+
+    public static BaseDraggingActivity fromContext(Context context) {
+        if (context instanceof BaseDraggingActivity) {
+            return (BaseDraggingActivity) context;
+        }
+        return ((BaseDraggingActivity) ((ContextWrapper) context).getBaseContext());
+    }
+
+    public Rect getViewBounds(View v) {
+        int[] pos = new int[2];
+        v.getLocationOnScreen(pos);
+        return new Rect(pos[0], pos[1], pos[0] + v.getWidth(), pos[1] + v.getHeight());
+    }
+
+    public final Bundle getActivityLaunchOptionsAsBundle(View v, boolean useDefaultLaunchOptions) {
+        ActivityOptions activityOptions = getActivityLaunchOptions(v, useDefaultLaunchOptions);
+        return activityOptions == null ? null : activityOptions.toBundle();
+    }
+
+    public abstract ActivityOptions getActivityLaunchOptions(
+            View v, boolean useDefaultLaunchOptions);
+
+    public boolean startActivitySafely(View v, Intent intent, ItemInfo item) {
+        if (mIsSafeModeEnabled && !Utilities.isSystemApp(this, intent)) {
+            Toast.makeText(this, R.string.safemode_shortcut_error, Toast.LENGTH_SHORT).show();
+            return false;
+        }
+
+        // Only launch using the new animation if the shortcut has not opted out (this is a
+        // private contract between launcher and may be ignored in the future).
+        boolean useLaunchAnimation = (v != null) &&
+                !intent.hasExtra(INTENT_EXTRA_IGNORE_LAUNCH_ANIMATION);
+        Bundle optsBundle = useLaunchAnimation
+                ? getActivityLaunchOptionsAsBundle(v, isInMultiWindowModeCompat())
+                : null;
+
+        UserHandle user = item == null ? null : item.user;
+
+        // Prepare intent
+        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+        if (v != null) {
+            intent.setSourceBounds(getViewBounds(v));
+        }
+        try {
+            boolean isShortcut = Utilities.ATLEAST_MARSHMALLOW
+                    && (item instanceof ShortcutInfo)
+                    && (item.itemType == Favorites.ITEM_TYPE_SHORTCUT
+                    || item.itemType == Favorites.ITEM_TYPE_DEEP_SHORTCUT)
+                    && !((ShortcutInfo) item).isPromise();
+            if (isShortcut) {
+                // Shortcuts need some special checks due to legacy reasons.
+                startShortcutIntentSafely(intent, optsBundle, item);
+            } else if (user == null || user.equals(Process.myUserHandle())) {
+                // Could be launching some bookkeeping activity
+                startActivity(intent, optsBundle);
+            } else {
+                LauncherAppsCompat.getInstance(this).startActivityForProfile(
+                        intent.getComponent(), user, intent.getSourceBounds(), optsBundle);
+            }
+            getUserEventDispatcher().logAppLaunch(v, intent);
+            return true;
+        } catch (ActivityNotFoundException|SecurityException e) {
+            Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show();
+            Log.e(TAG, "Unable to launch. tag=" + item + " intent=" + intent, e);
+        }
+        return false;
+    }
+
+    private void startShortcutIntentSafely(Intent intent, Bundle optsBundle, ItemInfo info) {
+        try {
+            StrictMode.VmPolicy oldPolicy = StrictMode.getVmPolicy();
+            try {
+                // Temporarily disable deathPenalty on all default checks. For eg, shortcuts
+                // containing file Uri's would cause a crash as penaltyDeathOnFileUriExposure
+                // is enabled by default on NYC.
+                StrictMode.setVmPolicy(new StrictMode.VmPolicy.Builder().detectAll()
+                        .penaltyLog().build());
+
+                if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_DEEP_SHORTCUT) {
+                    String id = ((ShortcutInfo) info).getDeepShortcutId();
+                    String packageName = intent.getPackage();
+                    DeepShortcutManager.getInstance(this).startShortcut(
+                            packageName, id, intent.getSourceBounds(), optsBundle, info.user);
+                } else {
+                    // Could be launching some bookkeeping activity
+                    startActivity(intent, optsBundle);
+                }
+            } finally {
+                StrictMode.setVmPolicy(oldPolicy);
+            }
+        } catch (SecurityException e) {
+            if (!onErrorStartingShortcut(intent, info)) {
+                throw e;
+            }
+        }
+    }
+
+    protected boolean onErrorStartingShortcut(Intent intent, ItemInfo info) {
+        return false;
+    }
+}
diff --git a/src/com/android/launcher3/BubbleTextView.java b/src/com/android/launcher3/BubbleTextView.java
index 8b6d9f825..fc61155d3 100644
--- a/src/com/android/launcher3/BubbleTextView.java
+++ b/src/com/android/launcher3/BubbleTextView.java
@@ -44,7 +44,6 @@ import com.android.launcher3.Launcher.OnResumeCallback;
 import com.android.launcher3.badge.BadgeInfo;
 import com.android.launcher3.badge.BadgeRenderer;
 import com.android.launcher3.folder.FolderIcon;
-import com.android.launcher3.folder.FolderIconPreviewVerifier;
 import com.android.launcher3.graphics.DrawableFactory;
 import com.android.launcher3.graphics.IconPalette;
 import com.android.launcher3.graphics.PreloadIconDrawable;
@@ -65,7 +64,7 @@ public class BubbleTextView extends TextView implements ItemInfoUpdateReceiver,
 
     private static final int[] STATE_PRESSED = new int[] {android.R.attr.state_pressed};
 
-    private final Launcher mLauncher;
+    private final BaseDraggingActivity mActivity;
     private Drawable mIcon;
     private final boolean mCenterVertically;
 
@@ -133,8 +132,8 @@ public class BubbleTextView extends TextView implements ItemInfoUpdateReceiver,
 
     public BubbleTextView(Context context, AttributeSet attrs, int defStyle) {
         super(context, attrs, defStyle);
-        mLauncher = Launcher.getLauncher(context);
-        DeviceProfile grid = mLauncher.getDeviceProfile();
+        mActivity = BaseDraggingActivity.fromContext(context);
+        DeviceProfile grid = mActivity.getDeviceProfile();
         mSlop = ViewConfiguration.get(getContext()).getScaledTouchSlop();
 
         TypedArray a = context.obtainStyledAttributes(attrs,
@@ -164,7 +163,7 @@ public class BubbleTextView extends TextView implements ItemInfoUpdateReceiver,
         mLongPressHelper = new CheckLongPressHelper(this);
         mStylusEventHelper = new StylusEventHelper(new SimpleOnStylusPressListener(this), this);
 
-        setAccessibilityDelegate(mLauncher.getAccessibilityDelegate());
+        setAccessibilityDelegate(mActivity.getAccessibilityDelegate());
 
     }
 
@@ -493,10 +492,10 @@ public class BubbleTextView extends TextView implements ItemInfoUpdateReceiver,
     public void applyBadgeState(ItemInfo itemInfo, boolean animate) {
         if (mIcon instanceof FastBitmapDrawable) {
             boolean wasBadged = mBadgeInfo != null;
-            mBadgeInfo = mLauncher.getPopupDataProvider().getBadgeInfoForItem(itemInfo);
+            mBadgeInfo = mActivity.getBadgeInfoForItem(itemInfo);
             boolean isBadged = mBadgeInfo != null;
             float newBadgeScale = isBadged ? 1f : 0;
-            mBadgeRenderer = mLauncher.getDeviceProfile().mBadgeRenderer;
+            mBadgeRenderer = mActivity.getDeviceProfile().mBadgeRenderer;
             if (wasBadged || isBadged) {
                 // Animate when a badge is first added or when it is removed.
                 if (animate && (wasBadged ^ isBadged) && isShown()) {
@@ -572,15 +571,7 @@ public class BubbleTextView extends TextView implements ItemInfoUpdateReceiver,
                 applyFromApplicationInfo((AppInfo) info);
             } else if (info instanceof ShortcutInfo) {
                 applyFromShortcutInfo((ShortcutInfo) info);
-                FolderIconPreviewVerifier verifier =
-                        new FolderIconPreviewVerifier(mLauncher.getDeviceProfile().inv);
-                if (verifier.isItemInPreview(info.rank) && (info.container >= 0)) {
-                    View folderIcon =
-                            mLauncher.getWorkspace().getHomescreenIconByItemId(info.container);
-                    if (folderIcon != null) {
-                        folderIcon.invalidate();
-                    }
-                }
+                mActivity.invalidateParent(info);
             } else if (info instanceof PackageItemInfo) {
                 applyFromPackageItemInfo((PackageItemInfo) info);
             }
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 0bbb90c45..a38ce078a 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -25,7 +25,6 @@ import static com.android.launcher3.LauncherState.NORMAL;
 import static com.android.launcher3.LauncherState.OVERVIEW;
 import static com.android.launcher3.logging.LoggerUtils.newContainerTarget;
 
-import android.Manifest;
 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
 import android.animation.AnimatorSet;
@@ -47,7 +46,6 @@ import android.content.SharedPreferences;
 import android.content.pm.PackageManager;
 import android.content.res.Configuration;
 import android.database.sqlite.SQLiteDatabase;
-import android.graphics.Rect;
 import android.os.AsyncTask;
 import android.os.Build;
 import android.os.Bundle;
@@ -60,7 +58,6 @@ import android.text.TextUtils;
 import android.text.method.TextKeyListener;
 import android.util.Log;
 import android.util.SparseArray;
-import android.view.ActionMode;
 import android.view.KeyEvent;
 import android.view.KeyboardShortcutGroup;
 import android.view.KeyboardShortcutInfo;
@@ -73,14 +70,13 @@ import android.view.animation.OvershootInterpolator;
 import android.widget.Toast;
 
 import com.android.launcher3.DropTarget.DragObject;
-import com.android.launcher3.LauncherSettings.Favorites;
 import com.android.launcher3.Workspace.ItemOperator;
 import com.android.launcher3.accessibility.LauncherAccessibilityDelegate;
 import com.android.launcher3.allapps.AllAppsContainerView;
 import com.android.launcher3.allapps.AllAppsTransitionController;
 import com.android.launcher3.allapps.DiscoveryBounce;
+import com.android.launcher3.badge.BadgeInfo;
 import com.android.launcher3.compat.AppWidgetManagerCompat;
-import com.android.launcher3.compat.LauncherAppsCompat;
 import com.android.launcher3.compat.LauncherAppsCompatVO;
 import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.dragndrop.DragController;
@@ -88,6 +84,7 @@ import com.android.launcher3.dragndrop.DragLayer;
 import com.android.launcher3.dragndrop.DragView;
 import com.android.launcher3.dynamicui.WallpaperColorInfo;
 import com.android.launcher3.folder.FolderIcon;
+import com.android.launcher3.folder.FolderIconPreviewVerifier;
 import com.android.launcher3.keyboard.CustomActionsPopup;
 import com.android.launcher3.keyboard.ViewGroupFocusHelper;
 import com.android.launcher3.logging.FileLog;
@@ -139,7 +136,7 @@ import java.util.Set;
 /**
  * Default launcher application.
  */
-public class Launcher extends BaseActivity implements LauncherExterns, LauncherModel.Callbacks,
+public class Launcher extends BaseDraggingActivity implements LauncherExterns, LauncherModel.Callbacks,
         LauncherProviderChangeListener, WallpaperColorInfo.OnThemeChangeListener {
     public static final String TAG = "Launcher";
     static final boolean LOGD = false;
@@ -166,10 +163,6 @@ public class Launcher extends BaseActivity implements LauncherExterns, LauncherM
      */
     protected static final int REQUEST_LAST = 100;
 
-    // The Intent extra that defines whether to ignore the launch animation
-    static final String INTENT_EXTRA_IGNORE_LAUNCH_ANIMATION =
-            "com.android.launcher3.intent.extra.shortcut.INGORE_LAUNCH_ANIMATION";
-
     // Type: int
     private static final String RUNTIME_STATE_CURRENT_SCREEN = "launcher.current_screen";
     // Type: int
@@ -181,14 +174,8 @@ public class Launcher extends BaseActivity implements LauncherExterns, LauncherM
     // Type: SparseArray<Parcelable>
     private static final String RUNTIME_STATE_WIDGET_PANEL = "launcher.widget_panel";
 
-    // When starting an action mode, setting this tag will cause the action mode to be cancelled
-    // automatically when user interacts with the launcher.
-    public static final Object AUTO_CANCEL_ACTION_MODE = new Object();
-
     private LauncherStateManager mStateManager;
 
-    private boolean mIsSafeModeEnabled;
-
     private static final int ON_ACTIVITY_RESULT_ANIMATION_DELAY = 500;
 
     // How long to wait before the new-shortcut animation automatically pans the workspace
@@ -255,7 +242,6 @@ public class Launcher extends BaseActivity implements LauncherExterns, LauncherM
     private boolean mAppLaunchSuccess;
 
     private RotationHelper mRotationHelper;
-    private ActionMode mCurrentActionMode;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -288,7 +274,6 @@ public class Launcher extends BaseActivity implements LauncherExterns, LauncherM
         initDeviceProfile(app.getInvariantDeviceProfile());
 
         mSharedPrefs = Utilities.getPrefs(this);
-        mIsSafeModeEnabled = getPackageManager().isSafeMode();
         mIconCache = app.getIconCache();
         mAccessibilityDelegate = new LauncherAccessibilityDelegate(this);
 
@@ -482,6 +467,22 @@ public class Launcher extends BaseActivity implements LauncherExterns, LauncherM
         return mPopupDataProvider;
     }
 
+    @Override
+    public BadgeInfo getBadgeInfoForItem(ItemInfo info) {
+        return mPopupDataProvider.getBadgeInfoForItem(info);
+    }
+
+    @Override
+    public void invalidateParent(ItemInfo info) {
+        FolderIconPreviewVerifier verifier = new FolderIconPreviewVerifier(getDeviceProfile().inv);
+        if (verifier.isItemInPreview(info.rank) && (info.container >= 0)) {
+            View folderIcon = getWorkspace().getHomescreenIconByItemId(info.container);
+            if (folderIcon != null) {
+                folderIcon.invalidate();
+            }
+        }
+    }
+
     /**
      * Returns whether we should delay spring loaded mode -- for shortcuts and widgets that have
      * a configuration step, this allows the proper animations to run after other transitions.
@@ -941,7 +942,7 @@ public class Launcher extends BaseActivity implements LauncherExterns, LauncherM
                 | View.SYSTEM_UI_FLAG_LAYOUT_STABLE);
 
         // Setup the drag layer
-        mDragLayer.setup(this, mDragController);
+        mDragLayer.setup(mDragController);
 
         mWorkspace.setup(mDragController);
         // Until the workspace is bound, ensure that we keep the wallpaper offset locked to the
@@ -1180,6 +1181,7 @@ public class Launcher extends BaseActivity implements LauncherExterns, LauncherM
         return (LauncherRootView) mLauncherView;
     }
 
+    @Override
     public DragLayer getDragLayer() {
         return mDragLayer;
     }
@@ -1672,119 +1674,45 @@ public class Launcher extends BaseActivity implements LauncherExterns, LauncherM
         }
     }
 
-    private void startShortcutIntentSafely(Intent intent, Bundle optsBundle, ItemInfo info) {
-        try {
-            StrictMode.VmPolicy oldPolicy = StrictMode.getVmPolicy();
-            try {
-                // Temporarily disable deathPenalty on all default checks. For eg, shortcuts
-                // containing file Uri's would cause a crash as penaltyDeathOnFileUriExposure
-                // is enabled by default on NYC.
-                StrictMode.setVmPolicy(new StrictMode.VmPolicy.Builder().detectAll()
-                        .penaltyLog().build());
-
-                if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_DEEP_SHORTCUT) {
-                    String id = ((ShortcutInfo) info).getDeepShortcutId();
-                    String packageName = intent.getPackage();
-                    DeepShortcutManager.getInstance(this).startShortcut(
-                            packageName, id, intent.getSourceBounds(), optsBundle, info.user);
-                } else {
-                    // Could be launching some bookkeeping activity
-                    startActivity(intent, optsBundle);
-                }
-            } finally {
-                StrictMode.setVmPolicy(oldPolicy);
-            }
-        } catch (SecurityException e) {
-            // Due to legacy reasons, direct call shortcuts require Launchers to have the
-            // corresponding permission. Show the appropriate permission prompt if that
-            // is the case.
-            if (intent.getComponent() == null
-                    && Intent.ACTION_CALL.equals(intent.getAction())
-                    && checkSelfPermission(Manifest.permission.CALL_PHONE) !=
-                    PackageManager.PERMISSION_GRANTED) {
-
-                setWaitingForResult(PendingRequestArgs
-                        .forIntent(REQUEST_PERMISSION_CALL_PHONE, intent, info));
-                requestPermissions(new String[]{Manifest.permission.CALL_PHONE},
-                        REQUEST_PERMISSION_CALL_PHONE);
-            } else {
-                // No idea why this was thrown.
-                throw e;
-            }
-        }
-    }
-
-    public Bundle getActivityLaunchOptionsAsBundle(View v, boolean useDefaultLaunchOptions) {
-        ActivityOptions activityOptions = getActivityLaunchOptions(v, useDefaultLaunchOptions);
-        return activityOptions == null ? null : activityOptions.toBundle();
-    }
-
     @TargetApi(Build.VERSION_CODES.M)
+    @Override
     public ActivityOptions getActivityLaunchOptions(View v, boolean useDefaultLaunchOptions) {
         return useDefaultLaunchOptions
                 ? mAppTransitionManager.getDefaultActivityLaunchOptions(this, v)
                 : mAppTransitionManager.getActivityLaunchOptions(this, v);
     }
 
-    public Rect getViewBounds(View v) {
-        int[] pos = new int[2];
-        v.getLocationOnScreen(pos);
-        return new Rect(pos[0], pos[1], pos[0] + v.getWidth(), pos[1] + v.getHeight());
+    @TargetApi(Build.VERSION_CODES.M)
+    @Override
+    protected boolean onErrorStartingShortcut(Intent intent, ItemInfo info) {
+        // Due to legacy reasons, direct call shortcuts require Launchers to have the
+        // corresponding permission. Show the appropriate permission prompt if that
+        // is the case.
+        if (intent.getComponent() == null
+                && Intent.ACTION_CALL.equals(intent.getAction())
+                && checkSelfPermission(android.Manifest.permission.CALL_PHONE) !=
+                PackageManager.PERMISSION_GRANTED) {
+
+            setWaitingForResult(PendingRequestArgs
+                    .forIntent(REQUEST_PERMISSION_CALL_PHONE, intent, info));
+            requestPermissions(new String[]{android.Manifest.permission.CALL_PHONE},
+                    REQUEST_PERMISSION_CALL_PHONE);
+            return true;
+        } else {
+            return false;
+        }
     }
 
     public boolean startActivitySafely(View v, Intent intent, ItemInfo item) {
-        mAppLaunchSuccess = false;
-        if (mIsSafeModeEnabled && !Utilities.isSystemApp(this, intent)) {
-            Toast.makeText(this, R.string.safemode_shortcut_error, Toast.LENGTH_SHORT).show();
-            return mAppLaunchSuccess;
-        }
-
-        // Only launch using the new animation if the shortcut has not opted out (this is a
-        // private contract between launcher and may be ignored in the future).
-        boolean useLaunchAnimation = (v != null) &&
-                !intent.hasExtra(INTENT_EXTRA_IGNORE_LAUNCH_ANIMATION);
-        Bundle optsBundle = useLaunchAnimation
-                ? getActivityLaunchOptionsAsBundle(v, isInMultiWindowModeCompat())
-                : null;
-
-        UserHandle user = item == null ? null : item.user;
-
-        // Prepare intent
-        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
-        if (v != null) {
-            intent.setSourceBounds(getViewBounds(v));
-        }
-        try {
-            boolean isShortcut = Utilities.ATLEAST_MARSHMALLOW
-                    && (item instanceof ShortcutInfo)
-                    && (item.itemType == Favorites.ITEM_TYPE_SHORTCUT
-                    || item.itemType == Favorites.ITEM_TYPE_DEEP_SHORTCUT)
-                    && !((ShortcutInfo) item).isPromise();
-            if (isShortcut) {
-                // Shortcuts need some special checks due to legacy reasons.
-                startShortcutIntentSafely(intent, optsBundle, item);
-            } else if (user == null || user.equals(Process.myUserHandle())) {
-                // Could be launching some bookkeeping activity
-                startActivity(intent, optsBundle);
-            } else {
-                LauncherAppsCompat.getInstance(this).startActivityForProfile(
-                        intent.getComponent(), user, intent.getSourceBounds(), optsBundle);
-            }
-
-            if (v instanceof BubbleTextView) {
-                // This is set to the view that launched the activity that navigated the user away
-                // from launcher. Since there is no callback for when the activity has finished
-                // launching, enable the press state and keep this reference to reset the press
-                // state when we return to launcher.
-                BubbleTextView btv = (BubbleTextView) v;
-                btv.setStayPressed(true);
-                setOnResumeCallback(btv);
-            }
-            mAppLaunchSuccess = true;
-            getUserEventDispatcher().logAppLaunch(v, intent); // TODO for discovered apps b/35802115
-        } catch (ActivityNotFoundException|SecurityException e) {
-            Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show();
-            Log.e(TAG, "Unable to launch. tag=" + item + " intent=" + intent, e);
+        mAppLaunchSuccess = super.startActivitySafely(v, intent, item);
+        if (mAppLaunchSuccess && v instanceof BubbleTextView) {
+            // This is set to the view that launched the activity that navigated the user away
+            // from launcher. Since there is no callback for when the activity has finished
+            // launching, enable the press state and keep this reference to reset the press
+            // state when we return to launcher.
+            BubbleTextView btv = (BubbleTextView) v;
+            btv.setStayPressed(true);
+            setOnResumeCallback(btv);
         }
         return mAppLaunchSuccess;
     }
@@ -2515,26 +2443,6 @@ public class Launcher extends BaseActivity implements LauncherExterns, LauncherM
         return ((Launcher) ((ContextWrapper) context).getBaseContext());
     }
 
-    @Override
-    public void onActionModeStarted(ActionMode mode) {
-        super.onActionModeStarted(mode);
-        mCurrentActionMode = mode;
-    }
-
-    @Override
-    public void onActionModeFinished(ActionMode mode) {
-        super.onActionModeFinished(mode);
-        mCurrentActionMode = null;
-    }
-
-    public boolean finishAutoCancelActionMode() {
-        if (mCurrentActionMode != null && AUTO_CANCEL_ACTION_MODE == mCurrentActionMode.getTag()) {
-            mCurrentActionMode.finish();
-            return true;
-        }
-        return false;
-    }
-
     /**
      * Callback for listening for onResume
      */
diff --git a/src/com/android/launcher3/Workspace.java b/src/com/android/launcher3/Workspace.java
index 996095392..68ad25370 100644
--- a/src/com/android/launcher3/Workspace.java
+++ b/src/com/android/launcher3/Workspace.java
@@ -3254,8 +3254,7 @@ public class Workspace extends PagedView<WorkspacePageIndicator>
                         && v instanceof FolderIcon) {
                     FolderBadgeInfo folderBadgeInfo = new FolderBadgeInfo();
                     for (ShortcutInfo si : ((FolderInfo) info).contents) {
-                        folderBadgeInfo.addBadgeInfo(mLauncher.getPopupDataProvider()
-                                .getBadgeInfoForItem(si));
+                        folderBadgeInfo.addBadgeInfo(mLauncher.getBadgeInfoForItem(si));
                     }
                     ((FolderIcon) v).setBadgeInfo(folderBadgeInfo);
                 }
diff --git a/src/com/android/launcher3/dragndrop/DragLayer.java b/src/com/android/launcher3/dragndrop/DragLayer.java
index f5d0b2492..8519365e7 100644
--- a/src/com/android/launcher3/dragndrop/DragLayer.java
+++ b/src/com/android/launcher3/dragndrop/DragLayer.java
@@ -31,21 +31,17 @@ import android.util.AttributeSet;
 import android.view.KeyEvent;
 import android.view.MotionEvent;
 import android.view.View;
-import android.view.ViewGroup;
 import android.view.accessibility.AccessibilityEvent;
 import android.view.accessibility.AccessibilityManager;
 import android.view.animation.Interpolator;
-import android.widget.FrameLayout;
 import android.widget.TextView;
 
 import com.android.launcher3.AbstractFloatingView;
 import com.android.launcher3.CellLayout;
 import com.android.launcher3.DropTargetBar;
-import com.android.launcher3.InsettableFrameLayout;
 import com.android.launcher3.Launcher;
 import com.android.launcher3.R;
 import com.android.launcher3.ShortcutAndWidgetContainer;
-import com.android.launcher3.Utilities;
 import com.android.launcher3.anim.Interpolators;
 import com.android.launcher3.folder.Folder;
 import com.android.launcher3.folder.FolderIcon;
@@ -53,24 +49,20 @@ import com.android.launcher3.graphics.ViewScrim;
 import com.android.launcher3.keyboard.ViewGroupFocusHelper;
 import com.android.launcher3.uioverrides.UiFactory;
 import com.android.launcher3.util.Thunk;
-import com.android.launcher3.util.TouchController;
+import com.android.launcher3.views.BaseDragLayer;
 
 import java.util.ArrayList;
 
 /**
  * A ViewGroup that coordinates dragging across its descendants
  */
-public class DragLayer extends InsettableFrameLayout {
+public class DragLayer extends BaseDragLayer<Launcher> {
 
     public static final int ANIMATION_END_DISAPPEAR = 0;
     public static final int ANIMATION_END_REMAIN_VISIBLE = 2;
 
-    private final int[] mTmpXY = new int[2];
-
     @Thunk DragController mDragController;
 
-    private Launcher mLauncher;
-
     // Variables relating to animation of views after drop
     private ValueAnimator mDropAnim = null;
     private final TimeInterpolator mCubicEaseOutInterpolator = Interpolators.DEACCEL_1_5;
@@ -79,9 +71,6 @@ public class DragLayer extends InsettableFrameLayout {
     @Thunk View mAnchorView = null;
 
     private boolean mHoverPointClosesFolder = false;
-    private final Rect mHitRect = new Rect();
-
-    private TouchCompleteListener mTouchCompleteListener;
 
     private int mTopViewIndex;
     private int mChildCountOnLastUpdate = -1;
@@ -89,8 +78,6 @@ public class DragLayer extends InsettableFrameLayout {
     // Related to adjacent page hints
     private final ViewGroupFocusHelper mFocusIndicatorHelper;
 
-    protected TouchController[] mControllers;
-    private TouchController mActiveController;
     /**
      * Used to create a new DragLayer from XML.
      *
@@ -107,10 +94,9 @@ public class DragLayer extends InsettableFrameLayout {
         mFocusIndicatorHelper = new ViewGroupFocusHelper(this);
     }
 
-    public void setup(Launcher launcher, DragController dragController) {
-        mLauncher = launcher;
+    public void setup(DragController dragController) {
         mDragController = dragController;
-        mControllers = UiFactory.createTouchControllers(mLauncher);
+        mControllers = UiFactory.createTouchControllers(mActivity);
     }
 
     public ViewGroupFocusHelper getFocusIndicatorHelper() {
@@ -123,7 +109,7 @@ public class DragLayer extends InsettableFrameLayout {
     }
 
     public boolean isEventOverHotseat(MotionEvent ev) {
-        return isEventOverView(mLauncher.getHotseat(), ev);
+        return isEventOverView(mActivity.getHotseat(), ev);
     }
 
     private boolean isEventOverFolder(Folder folder, MotionEvent ev) {
@@ -131,12 +117,7 @@ public class DragLayer extends InsettableFrameLayout {
     }
 
     private boolean isEventOverDropTargetBar(MotionEvent ev) {
-        return isEventOverView(mLauncher.getDropTargetBar(), ev);
-    }
-
-    public boolean isEventOverView(View view, MotionEvent ev) {
-        getDescendantRectRelativeToSelf(view, mHitRect);
-        return mHitRect.contains((int) ev.getX(), (int) ev.getY());
+        return isEventOverView(mActivity.getDropTargetBar(), ev);
     }
 
     @Override
@@ -149,66 +130,33 @@ public class DragLayer extends InsettableFrameLayout {
     }
 
     @Override
-    public boolean onInterceptTouchEvent(MotionEvent ev) {
-        int action = ev.getAction();
-
-        if (action == MotionEvent.ACTION_UP || action == MotionEvent.ACTION_CANCEL) {
-            if (mTouchCompleteListener != null) {
-                mTouchCompleteListener.onTouchComplete();
-            }
-            mTouchCompleteListener = null;
-        } else if (action == MotionEvent.ACTION_DOWN) {
-            mLauncher.finishAutoCancelActionMode();
-        }
-        return findActiveController(ev);
-    }
-
-    private boolean findActiveController(MotionEvent ev) {
-        mActiveController = null;
-
-        AbstractFloatingView topView = AbstractFloatingView.getTopOpenView(mLauncher);
-        if (topView != null && topView.onControllerInterceptTouchEvent(ev)) {
-            mActiveController = topView;
-            return true;
-        }
-
-        if (mLauncher.getStateManager().getState().disableInteraction) {
+    protected boolean findActiveController(MotionEvent ev) {
+        if (mActivity.getStateManager().getState().disableInteraction) {
             // You Shall Not Pass!!!
+            mActiveController = null;
             return true;
         }
-
-        if (mDragController.onControllerInterceptTouchEvent(ev)) {
-            mActiveController = mDragController;
-            return true;
-        }
-
-        for (TouchController controller : mControllers) {
-            if (controller.onControllerInterceptTouchEvent(ev)) {
-                mActiveController = controller;
-                return true;
-            }
-        }
-        return false;
+        return super.findActiveController(ev);
     }
 
     @Override
     public boolean onInterceptHoverEvent(MotionEvent ev) {
-        if (mLauncher == null || mLauncher.getWorkspace() == null) {
+        if (mActivity == null || mActivity.getWorkspace() == null) {
             return false;
         }
-        Folder currentFolder = Folder.getOpen(mLauncher);
+        Folder currentFolder = Folder.getOpen(mActivity);
         if (currentFolder == null) {
             return false;
         } else {
-                AccessibilityManager accessibilityManager = (AccessibilityManager)
-                        getContext().getSystemService(Context.ACCESSIBILITY_SERVICE);
+            AccessibilityManager accessibilityManager = (AccessibilityManager)
+                    getContext().getSystemService(Context.ACCESSIBILITY_SERVICE);
             if (accessibilityManager.isTouchExplorationEnabled()) {
                 final int action = ev.getAction();
                 boolean isOverFolderOrSearchBar;
                 switch (action) {
                     case MotionEvent.ACTION_HOVER_ENTER:
                         isOverFolderOrSearchBar = isEventOverFolder(currentFolder, ev) ||
-                            (isInAccessibleDrag() && isEventOverDropTargetBar(ev));
+                                (isInAccessibleDrag() && isEventOverDropTargetBar(ev));
                         if (!isOverFolderOrSearchBar) {
                             sendTapOutsideFolderAccessibilityEvent(currentFolder.isEditingName());
                             mHoverPointClosesFolder = true;
@@ -218,7 +166,7 @@ public class DragLayer extends InsettableFrameLayout {
                         break;
                     case MotionEvent.ACTION_HOVER_MOVE:
                         isOverFolderOrSearchBar = isEventOverFolder(currentFolder, ev) ||
-                            (isInAccessibleDrag() && isEventOverDropTargetBar(ev));
+                                (isInAccessibleDrag() && isEventOverDropTargetBar(ev));
                         if (!isOverFolderOrSearchBar && !mHoverPointClosesFolder) {
                             sendTapOutsideFolderAccessibilityEvent(currentFolder.isEditingName());
                             mHoverPointClosesFolder = true;
@@ -239,14 +187,22 @@ public class DragLayer extends InsettableFrameLayout {
                 this, AccessibilityEvent.TYPE_VIEW_FOCUSED, getContext().getString(stringId));
     }
 
+    @Override
+    public boolean onHoverEvent(MotionEvent ev) {
+        // If we've received this, we've already done the necessary handling
+        // in onInterceptHoverEvent. Return true to consume the event.
+        return false;
+    }
+
+
     private boolean isInAccessibleDrag() {
-        return mLauncher.getAccessibilityDelegate().isInAccessibleDrag();
+        return mActivity.getAccessibilityDelegate().isInAccessibleDrag();
     }
 
     @Override
     public boolean onRequestSendAccessibilityEvent(View child, AccessibilityEvent event) {
         // Shortcuts can appear above folder
-        View topView = AbstractFloatingView.getTopOpenView(mLauncher);
+        View topView = AbstractFloatingView.getTopOpenView(mActivity);
         if (topView != null) {
             if (child == topView) {
                 return super.onRequestSendAccessibilityEvent(child, event);
@@ -263,13 +219,13 @@ public class DragLayer extends InsettableFrameLayout {
 
     @Override
     public void addChildrenForAccessibility(ArrayList<View> childrenForAccessibility) {
-        View topView = AbstractFloatingView.getTopOpenView(mLauncher);
+        View topView = AbstractFloatingView.getTopOpenView(mActivity);
         if (topView != null) {
             // Only add the top view as a child for accessibility when it is open
             childrenForAccessibility.add(topView);
 
             if (isInAccessibleDrag()) {
-                childrenForAccessibility.add(mLauncher.getDropTargetBar());
+                childrenForAccessibility.add(mActivity.getDropTargetBar());
             }
         } else {
             super.addChildrenForAccessibility(childrenForAccessibility);
@@ -277,103 +233,9 @@ public class DragLayer extends InsettableFrameLayout {
     }
 
     @Override
-    public boolean onHoverEvent(MotionEvent ev) {
-        // If we've received this, we've already done the necessary handling
-        // in onInterceptHoverEvent. Return true to consume the event.
-        return false;
-    }
-
-    @Override
-    public boolean onTouchEvent(MotionEvent ev) {
-        int action = ev.getAction();
-        if (action == MotionEvent.ACTION_UP || action == MotionEvent.ACTION_CANCEL) {
-            if (mTouchCompleteListener != null) {
-                mTouchCompleteListener.onTouchComplete();
-            }
-            mTouchCompleteListener = null;
-        }
-
-        if (mActiveController != null) {
-            return mActiveController.onControllerTouchEvent(ev);
-        } else {
-            // In case no child view handled the touch event, we may not get onIntercept anymore
-            return findActiveController(ev);
-        }
-    }
-
-    /**
-     * Determine the rect of the descendant in this DragLayer's coordinates
-     *
-     * @param descendant The descendant whose coordinates we want to find.
-     * @param r The rect into which to place the results.
-     * @return The factor by which this descendant is scaled relative to this DragLayer.
-     */
-    public float getDescendantRectRelativeToSelf(View descendant, Rect r) {
-        mTmpXY[0] = 0;
-        mTmpXY[1] = 0;
-        float scale = getDescendantCoordRelativeToSelf(descendant, mTmpXY);
-
-        r.set(mTmpXY[0], mTmpXY[1],
-                (int) (mTmpXY[0] + scale * descendant.getMeasuredWidth()),
-                (int) (mTmpXY[1] + scale * descendant.getMeasuredHeight()));
-        return scale;
-    }
-
-    public float getLocationInDragLayer(View child, int[] loc) {
-        loc[0] = 0;
-        loc[1] = 0;
-        return getDescendantCoordRelativeToSelf(child, loc);
-    }
-
-    public float getDescendantCoordRelativeToSelf(View descendant, int[] coord) {
-        return getDescendantCoordRelativeToSelf(descendant, coord, false);
-    }
-
-    /**
-     * Given a coordinate relative to the descendant, find the coordinate in this DragLayer's
-     * coordinates.
-     *
-     * @param descendant The descendant to which the passed coordinate is relative.
-     * @param coord The coordinate that we want mapped.
-     * @param includeRootScroll Whether or not to account for the scroll of the root descendant:
-     *          sometimes this is relevant as in a child's coordinates within the root descendant.
-     * @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 float getDescendantCoordRelativeToSelf(View descendant, int[] coord,
-            boolean includeRootScroll) {
-        return Utilities.getDescendantCoordRelativeToAncestor(descendant, this,
-                coord, includeRootScroll);
-    }
-
-    /**
-     * Inverse of {@link #getDescendantCoordRelativeToSelf(View, int[])}.
-     */
-    public void mapCoordInSelfToDescendant(View descendant, int[] coord) {
-        Utilities.mapCoordInSelfToDescendant(descendant, this, coord);
-    }
-
-    public void getViewRectRelativeToSelf(View v, Rect r) {
-        int[] loc = new int[2];
-        getLocationInWindow(loc);
-        int x = loc[0];
-        int y = loc[1];
-
-        v.getLocationInWindow(loc);
-        int vX = loc[0];
-        int vY = loc[1];
-
-        int left = vX - x;
-        int top = vY - y;
-        r.set(left, top, left + v.getMeasuredWidth(), top + v.getMeasuredHeight());
-    }
-
-    @Override
     public boolean dispatchUnhandledMove(View focused, int direction) {
-        // Consume the unhandled move if a container is open, to avoid switching pages underneath.
-        boolean isContainerOpen = AbstractFloatingView.getTopOpenView(mLauncher) != null;
-        return isContainerOpen || mDragController.dispatchUnhandledMove(focused, direction);
+        return super.dispatchUnhandledMove(focused, direction)
+                || mDragController.dispatchUnhandledMove(focused, direction);
     }
 
     @Override
@@ -386,91 +248,6 @@ public class DragLayer extends InsettableFrameLayout {
         }
     }
 
-    @Override
-    public LayoutParams generateLayoutParams(AttributeSet attrs) {
-        return new LayoutParams(getContext(), attrs);
-    }
-
-    @Override
-    protected LayoutParams generateDefaultLayoutParams() {
-        return new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
-    }
-
-    // Override to allow type-checking of LayoutParams.
-    @Override
-    protected boolean checkLayoutParams(ViewGroup.LayoutParams p) {
-        return p instanceof LayoutParams;
-    }
-
-    @Override
-    protected LayoutParams generateLayoutParams(ViewGroup.LayoutParams p) {
-        return new LayoutParams(p);
-    }
-
-    public static class LayoutParams extends InsettableFrameLayout.LayoutParams {
-        public int x, y;
-        public boolean customPosition = false;
-
-        public LayoutParams(Context c, AttributeSet attrs) {
-            super(c, attrs);
-        }
-
-        public LayoutParams(int width, int height) {
-            super(width, height);
-        }
-
-        public LayoutParams(ViewGroup.LayoutParams lp) {
-            super(lp);
-        }
-
-        public void setWidth(int width) {
-            this.width = width;
-        }
-
-        public int getWidth() {
-            return width;
-        }
-
-        public void setHeight(int height) {
-            this.height = height;
-        }
-
-        public int getHeight() {
-            return height;
-        }
-
-        public void setX(int x) {
-            this.x = x;
-        }
-
-        public int getX() {
-            return x;
-        }
-
-        public void setY(int y) {
-            this.y = y;
-        }
-
-        public int getY() {
-            return y;
-        }
-    }
-
-    protected void onLayout(boolean changed, int l, int t, int r, int b) {
-        super.onLayout(changed, l, t, r, b);
-        int count = getChildCount();
-        for (int i = 0; i < count; i++) {
-            View child = getChildAt(i);
-            final FrameLayout.LayoutParams flp = (FrameLayout.LayoutParams) child.getLayoutParams();
-            if (flp instanceof LayoutParams) {
-                final LayoutParams lp = (LayoutParams) flp;
-                if (lp.customPosition) {
-                    child.layout(lp.x, lp.y, lp.x + lp.width, lp.y + lp.height);
-                }
-            }
-        }
-    }
-
     public void animateViewIntoPosition(DragView dragView, final int[] pos, float alpha,
             float scaleX, float scaleY, int animationEndStyle, Runnable onFinishRunnable,
             int duration) {
@@ -709,14 +486,14 @@ public class DragLayer extends InsettableFrameLayout {
     public void onViewAdded(View child) {
         super.onViewAdded(child);
         updateChildIndices();
-        UiFactory.onLauncherStateOrFocusChanged(mLauncher);
+        UiFactory.onLauncherStateOrFocusChanged(mActivity);
     }
 
     @Override
     public void onViewRemoved(View child) {
         super.onViewRemoved(child);
         updateChildIndices();
-        UiFactory.onLauncherStateOrFocusChanged(mLauncher);
+        UiFactory.onLauncherStateOrFocusChanged(mActivity);
     }
 
     @Override
@@ -768,32 +545,4 @@ public class DragLayer extends InsettableFrameLayout {
         mFocusIndicatorHelper.draw(canvas);
         super.dispatchDraw(canvas);
     }
-
-    @Override
-    protected boolean onRequestFocusInDescendants(int direction, Rect previouslyFocusedRect) {
-        View topView = AbstractFloatingView.getTopOpenView(mLauncher);
-        if (topView != null) {
-            return topView.requestFocus(direction, previouslyFocusedRect);
-        } else {
-            return super.onRequestFocusInDescendants(direction, previouslyFocusedRect);
-        }
-    }
-
-    @Override
-    public void addFocusables(ArrayList<View> views, int direction, int focusableMode) {
-        View topView = AbstractFloatingView.getTopOpenView(mLauncher);
-        if (topView != null) {
-            topView.addFocusables(views, direction);
-        } else {
-            super.addFocusables(views, direction, focusableMode);
-        }
-    }
-
-    public void setTouchCompleteListener(TouchCompleteListener listener) {
-        mTouchCompleteListener = listener;
-    }
-
-    public interface TouchCompleteListener {
-        void onTouchComplete();
-    }
 }
diff --git a/src/com/android/launcher3/folder/FolderIcon.java b/src/com/android/launcher3/folder/FolderIcon.java
index 6c94273f6..cb5d872ab 100644
--- a/src/com/android/launcher3/folder/FolderIcon.java
+++ b/src/com/android/launcher3/folder/FolderIcon.java
@@ -568,7 +568,7 @@ public class FolderIcon extends FrameLayout implements FolderListener {
     @Override
     public void onAdd(ShortcutInfo item, int rank) {
         boolean wasBadged = mBadgeInfo.hasBadge();
-        mBadgeInfo.addBadgeInfo(mLauncher.getPopupDataProvider().getBadgeInfoForItem(item));
+        mBadgeInfo.addBadgeInfo(mLauncher.getBadgeInfoForItem(item));
         boolean isBadged = mBadgeInfo.hasBadge();
         updateBadgeScale(wasBadged, isBadged);
         invalidate();
@@ -578,7 +578,7 @@ public class FolderIcon extends FrameLayout implements FolderListener {
     @Override
     public void onRemove(ShortcutInfo item) {
         boolean wasBadged = mBadgeInfo.hasBadge();
-        mBadgeInfo.subtractBadgeInfo(mLauncher.getPopupDataProvider().getBadgeInfoForItem(item));
+        mBadgeInfo.subtractBadgeInfo(mLauncher.getBadgeInfoForItem(item));
         boolean isBadged = mBadgeInfo.hasBadge();
         updateBadgeScale(wasBadged, isBadged);
         invalidate();
diff --git a/src/com/android/launcher3/popup/PopupContainerWithArrow.java b/src/com/android/launcher3/popup/PopupContainerWithArrow.java
index e427a81a1..033fdf888 100644
--- a/src/com/android/launcher3/popup/PopupContainerWithArrow.java
+++ b/src/com/android/launcher3/popup/PopupContainerWithArrow.java
@@ -745,7 +745,7 @@ public class PopupContainerWithArrow extends AbstractFloatingView implements Dra
 
     private void updateNotificationHeader() {
         ItemInfoWithIcon itemInfo = (ItemInfoWithIcon) mOriginalIcon.getTag();
-        BadgeInfo badgeInfo = mLauncher.getPopupDataProvider().getBadgeInfoForItem(itemInfo);
+        BadgeInfo badgeInfo = mLauncher.getBadgeInfoForItem(itemInfo);
         if (mNotificationItemView != null && badgeInfo != null) {
             mNotificationItemView.updateHeader(
                     badgeInfo.getNotificationCount(), itemInfo.iconColor);
diff --git a/src/com/android/launcher3/popup/SystemShortcut.java b/src/com/android/launcher3/popup/SystemShortcut.java
index 2cc8dfa76..a20149e1c 100644
--- a/src/com/android/launcher3/popup/SystemShortcut.java
+++ b/src/com/android/launcher3/popup/SystemShortcut.java
@@ -9,6 +9,7 @@ import android.os.Bundle;
 import android.view.View;
 
 import com.android.launcher3.AbstractFloatingView;
+import com.android.launcher3.BaseDraggingActivity;
 import com.android.launcher3.ItemInfo;
 import com.android.launcher3.Launcher;
 import com.android.launcher3.R;
@@ -27,7 +28,7 @@ import java.util.List;
  *
  * Example system shortcuts, defined as inner classes, include Widgets and AppInfo.
  */
-public abstract class SystemShortcut extends ItemInfo {
+public abstract class SystemShortcut<T extends BaseDraggingActivity> extends ItemInfo {
     public final int iconResId;
     public final int labelResId;
 
@@ -36,10 +37,9 @@ public abstract class SystemShortcut extends ItemInfo {
         this.labelResId = labelResId;
     }
 
-    public abstract View.OnClickListener getOnClickListener(final Launcher launcher,
-            final ItemInfo itemInfo);
+    public abstract View.OnClickListener getOnClickListener(T activity, ItemInfo itemInfo);
 
-    public static class Widgets extends SystemShortcut {
+    public static class Widgets extends SystemShortcut<Launcher> {
 
         public Widgets() {
             super(R.drawable.ic_widget, R.string.widget_button_text);
@@ -54,17 +54,14 @@ public abstract class SystemShortcut extends ItemInfo {
             if (widgets == null) {
                 return null;
             }
-            return new View.OnClickListener() {
-                @Override
-                public void onClick(View view) {
-                    AbstractFloatingView.closeAllOpenViews(launcher);
-                    WidgetsBottomSheet widgetsBottomSheet =
-                            (WidgetsBottomSheet) launcher.getLayoutInflater().inflate(
-                                    R.layout.widgets_bottom_sheet, launcher.getDragLayer(), false);
-                    widgetsBottomSheet.populateAndShow(itemInfo);
-                    launcher.getUserEventDispatcher().logActionOnControl(Action.Touch.TAP,
-                            ControlType.WIDGETS_BUTTON, view);
-                }
+            return (view) -> {
+                AbstractFloatingView.closeAllOpenViews(launcher);
+                WidgetsBottomSheet widgetsBottomSheet =
+                        (WidgetsBottomSheet) launcher.getLayoutInflater().inflate(
+                                R.layout.widgets_bottom_sheet, launcher.getDragLayer(), false);
+                widgetsBottomSheet.populateAndShow(itemInfo);
+                launcher.getUserEventDispatcher().logActionOnControl(Action.Touch.TAP,
+                        ControlType.WIDGETS_BUTTON, view);
             };
         }
     }
@@ -75,18 +72,15 @@ public abstract class SystemShortcut extends ItemInfo {
         }
 
         @Override
-        public View.OnClickListener getOnClickListener(final Launcher launcher,
-                final ItemInfo itemInfo) {
-            return new View.OnClickListener() {
-                @Override
-                public void onClick(View view) {
-                    Rect sourceBounds = launcher.getViewBounds(view);
-                    Bundle opts = launcher.getActivityLaunchOptionsAsBundle(view, false);
-                    new PackageManagerHelper(launcher).startDetailsActivityForInfo(
-                            itemInfo, sourceBounds, opts);
-                    launcher.getUserEventDispatcher().logActionOnControl(Action.Touch.TAP,
-                            ControlType.APPINFO_TARGET, view);
-                }
+        public View.OnClickListener getOnClickListener(
+                BaseDraggingActivity activity, ItemInfo itemInfo) {
+            return (view) -> {
+                Rect sourceBounds = activity.getViewBounds(view);
+                Bundle opts = activity.getActivityLaunchOptionsAsBundle(view, false);
+                new PackageManagerHelper(activity).startDetailsActivityForInfo(
+                        itemInfo, sourceBounds, opts);
+                activity.getUserEventDispatcher().logActionOnControl(Action.Touch.TAP,
+                        ControlType.APPINFO_TARGET, view);
             };
         }
     }
@@ -97,28 +91,29 @@ public abstract class SystemShortcut extends ItemInfo {
         }
 
         @Override
-        public View.OnClickListener getOnClickListener(final Launcher launcher,
-                final ItemInfo itemInfo) {
+        public View.OnClickListener getOnClickListener(
+                BaseDraggingActivity activity, ItemInfo itemInfo) {
             boolean supportsWebUI = (itemInfo instanceof ShortcutInfo) &&
                     ((ShortcutInfo) itemInfo).hasStatusFlag(ShortcutInfo.FLAG_SUPPORTS_WEB_UI);
             boolean isInstantApp = false;
             if (itemInfo instanceof com.android.launcher3.AppInfo) {
                 com.android.launcher3.AppInfo appInfo = (com.android.launcher3.AppInfo) itemInfo;
-                isInstantApp = InstantAppResolver.newInstance(launcher).isInstantApp(appInfo);
+                isInstantApp = InstantAppResolver.newInstance(activity).isInstantApp(appInfo);
             }
             boolean enabled = supportsWebUI || isInstantApp;
             if (!enabled) {
                 return null;
             }
-            return createOnClickListener(launcher, itemInfo);
+            return createOnClickListener(activity, itemInfo);
         }
 
-        public View.OnClickListener createOnClickListener(Launcher launcher, ItemInfo itemInfo) {
+        public View.OnClickListener createOnClickListener(
+                BaseDraggingActivity activity, ItemInfo itemInfo) {
             return view -> {
                 Intent intent = new PackageManagerHelper(view.getContext()).getMarketIntent(
                         itemInfo.getTargetComponent().getPackageName());
-                launcher.startActivitySafely(view, intent, itemInfo);
-                AbstractFloatingView.closeAllOpenViews(launcher);
+                activity.startActivitySafely(view, intent, itemInfo);
+                AbstractFloatingView.closeAllOpenViews(activity);
             };
         }
     }
diff --git a/src/com/android/launcher3/util/InstantAppResolver.java b/src/com/android/launcher3/util/InstantAppResolver.java
index 601a5ab80..4485427f5 100644
--- a/src/com/android/launcher3/util/InstantAppResolver.java
+++ b/src/com/android/launcher3/util/InstantAppResolver.java
@@ -22,7 +22,6 @@ import android.content.pm.PackageManager;
 import android.util.Log;
 
 import com.android.launcher3.AppInfo;
-import com.android.launcher3.Launcher;
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
 
@@ -47,8 +46,8 @@ public class InstantAppResolver {
         return false;
     }
 
-    public boolean isInstantApp(Launcher launcher, String packageName) {
-        PackageManager packageManager = launcher.getPackageManager();
+    public boolean isInstantApp(Context context, String packageName) {
+        PackageManager packageManager = context.getPackageManager();
         try {
             return isInstantApp(packageManager.getPackageInfo(packageName, 0).applicationInfo);
         } catch (PackageManager.NameNotFoundException e) {
diff --git a/src/com/android/launcher3/views/BaseDragLayer.java b/src/com/android/launcher3/views/BaseDragLayer.java
new file mode 100644
index 000000000..489e59e75
--- /dev/null
+++ b/src/com/android/launcher3/views/BaseDragLayer.java
@@ -0,0 +1,325 @@
+/*
+ * Copyright (C) 2018 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 android.content.Context;
+import android.graphics.Rect;
+import android.util.AttributeSet;
+import android.view.MotionEvent;
+import android.view.View;
+import android.view.ViewGroup;
+import android.view.accessibility.AccessibilityEvent;
+import android.widget.FrameLayout;
+
+import com.android.launcher3.AbstractFloatingView;
+import com.android.launcher3.BaseActivity;
+import com.android.launcher3.BaseDraggingActivity;
+import com.android.launcher3.InsettableFrameLayout;
+import com.android.launcher3.Utilities;
+import com.android.launcher3.util.TouchController;
+
+import java.util.ArrayList;
+
+/**
+ * A viewgroup with utility methods for drag-n-drop and touch interception
+ */
+public abstract class BaseDragLayer<T extends BaseDraggingActivity> extends InsettableFrameLayout {
+
+    protected final int[] mTmpXY = new int[2];
+    protected final Rect mHitRect = new Rect();
+
+    protected final T mActivity;
+
+    protected TouchController[] mControllers;
+    protected TouchController mActiveController;
+    private TouchCompleteListener mTouchCompleteListener;
+
+    public BaseDragLayer(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        mActivity = (T) BaseActivity.fromContext(context);
+    }
+
+
+    public boolean isEventOverView(View view, MotionEvent ev) {
+        getDescendantRectRelativeToSelf(view, mHitRect);
+        return mHitRect.contains((int) ev.getX(), (int) ev.getY());
+    }
+
+    @Override
+    public boolean onInterceptTouchEvent(MotionEvent ev) {
+        int action = ev.getAction();
+
+        if (action == MotionEvent.ACTION_UP || action == MotionEvent.ACTION_CANCEL) {
+            if (mTouchCompleteListener != null) {
+                mTouchCompleteListener.onTouchComplete();
+            }
+            mTouchCompleteListener = null;
+        } else if (action == MotionEvent.ACTION_DOWN) {
+            mActivity.finishAutoCancelActionMode();
+        }
+        return findActiveController(ev);
+    }
+
+    protected boolean findActiveController(MotionEvent ev) {
+        mActiveController = null;
+
+        AbstractFloatingView topView = AbstractFloatingView.getTopOpenView(mActivity);
+        if (topView != null && topView.onControllerInterceptTouchEvent(ev)) {
+            mActiveController = topView;
+            return true;
+        }
+
+        for (TouchController controller : mControllers) {
+            if (controller.onControllerInterceptTouchEvent(ev)) {
+                mActiveController = controller;
+                return true;
+            }
+        }
+        return false;
+    }
+
+    @Override
+    public boolean onRequestSendAccessibilityEvent(View child, AccessibilityEvent event) {
+        // Shortcuts can appear above folder
+        View topView = AbstractFloatingView.getTopOpenView(mActivity);
+        if (topView != null) {
+            if (child == topView) {
+                return super.onRequestSendAccessibilityEvent(child, event);
+            }
+            // Skip propagating onRequestSendAccessibilityEvent for all other children
+            // which are not topView
+            return false;
+        }
+        return super.onRequestSendAccessibilityEvent(child, event);
+    }
+
+    @Override
+    public void addChildrenForAccessibility(ArrayList<View> childrenForAccessibility) {
+        View topView = AbstractFloatingView.getTopOpenView(mActivity);
+        if (topView != null) {
+            // Only add the top view as a child for accessibility when it is open
+            childrenForAccessibility.add(topView);
+        } else {
+            super.addChildrenForAccessibility(childrenForAccessibility);
+        }
+    }
+
+    @Override
+    public boolean onTouchEvent(MotionEvent ev) {
+        int action = ev.getAction();
+        if (action == MotionEvent.ACTION_UP || action == MotionEvent.ACTION_CANCEL) {
+            if (mTouchCompleteListener != null) {
+                mTouchCompleteListener.onTouchComplete();
+            }
+            mTouchCompleteListener = null;
+        }
+
+        if (mActiveController != null) {
+            return mActiveController.onControllerTouchEvent(ev);
+        } else {
+            // In case no child view handled the touch event, we may not get onIntercept anymore
+            return findActiveController(ev);
+        }
+    }
+
+    /**
+     * Determine the rect of the descendant in this DragLayer's coordinates
+     *
+     * @param descendant The descendant whose coordinates we want to find.
+     * @param r The rect into which to place the results.
+     * @return The factor by which this descendant is scaled relative to this DragLayer.
+     */
+    public float getDescendantRectRelativeToSelf(View descendant, Rect r) {
+        mTmpXY[0] = 0;
+        mTmpXY[1] = 0;
+        float scale = getDescendantCoordRelativeToSelf(descendant, mTmpXY);
+
+        r.set(mTmpXY[0], mTmpXY[1],
+                (int) (mTmpXY[0] + scale * descendant.getMeasuredWidth()),
+                (int) (mTmpXY[1] + scale * descendant.getMeasuredHeight()));
+        return scale;
+    }
+
+    public float getLocationInDragLayer(View child, int[] loc) {
+        loc[0] = 0;
+        loc[1] = 0;
+        return getDescendantCoordRelativeToSelf(child, loc);
+    }
+
+    public float getDescendantCoordRelativeToSelf(View descendant, int[] coord) {
+        return getDescendantCoordRelativeToSelf(descendant, coord, false);
+    }
+
+    /**
+     * Given a coordinate relative to the descendant, find the coordinate in this DragLayer's
+     * coordinates.
+     *
+     * @param descendant The descendant to which the passed coordinate is relative.
+     * @param coord The coordinate that we want mapped.
+     * @param includeRootScroll Whether or not to account for the scroll of the root descendant:
+     *          sometimes this is relevant as in a child's coordinates within the root descendant.
+     * @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 float getDescendantCoordRelativeToSelf(View descendant, int[] coord,
+            boolean includeRootScroll) {
+        return Utilities.getDescendantCoordRelativeToAncestor(descendant, this,
+                coord, includeRootScroll);
+    }
+
+    /**
+     * Inverse of {@link #getDescendantCoordRelativeToSelf(View, int[])}.
+     */
+    public void mapCoordInSelfToDescendant(View descendant, int[] coord) {
+        Utilities.mapCoordInSelfToDescendant(descendant, this, coord);
+    }
+
+    public void getViewRectRelativeToSelf(View v, Rect r) {
+        int[] loc = new int[2];
+        getLocationInWindow(loc);
+        int x = loc[0];
+        int y = loc[1];
+
+        v.getLocationInWindow(loc);
+        int vX = loc[0];
+        int vY = loc[1];
+
+        int left = vX - x;
+        int top = vY - y;
+        r.set(left, top, left + v.getMeasuredWidth(), top + v.getMeasuredHeight());
+    }
+
+    @Override
+    public boolean dispatchUnhandledMove(View focused, int direction) {
+        // Consume the unhandled move if a container is open, to avoid switching pages underneath.
+        return AbstractFloatingView.getTopOpenView(mActivity) != null;
+    }
+
+    @Override
+    protected boolean onRequestFocusInDescendants(int direction, Rect previouslyFocusedRect) {
+        View topView = AbstractFloatingView.getTopOpenView(mActivity);
+        if (topView != null) {
+            return topView.requestFocus(direction, previouslyFocusedRect);
+        } else {
+            return super.onRequestFocusInDescendants(direction, previouslyFocusedRect);
+        }
+    }
+
+    @Override
+    public void addFocusables(ArrayList<View> views, int direction, int focusableMode) {
+        View topView = AbstractFloatingView.getTopOpenView(mActivity);
+        if (topView != null) {
+            topView.addFocusables(views, direction);
+        } else {
+            super.addFocusables(views, direction, focusableMode);
+        }
+    }
+
+    public void setTouchCompleteListener(TouchCompleteListener listener) {
+        mTouchCompleteListener = listener;
+    }
+
+    public interface TouchCompleteListener {
+        void onTouchComplete();
+    }
+
+    @Override
+    public LayoutParams generateLayoutParams(AttributeSet attrs) {
+        return new LayoutParams(getContext(), attrs);
+    }
+
+    @Override
+    protected LayoutParams generateDefaultLayoutParams() {
+        return new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
+    }
+
+    // Override to allow type-checking of LayoutParams.
+    @Override
+    protected boolean checkLayoutParams(ViewGroup.LayoutParams p) {
+        return p instanceof LayoutParams;
+    }
+
+    @Override
+    protected LayoutParams generateLayoutParams(ViewGroup.LayoutParams p) {
+        return new LayoutParams(p);
+    }
+
+    public static class LayoutParams extends InsettableFrameLayout.LayoutParams {
+        public int x, y;
+        public boolean customPosition = false;
+
+        public LayoutParams(Context c, AttributeSet attrs) {
+            super(c, attrs);
+        }
+
+        public LayoutParams(int width, int height) {
+            super(width, height);
+        }
+
+        public LayoutParams(ViewGroup.LayoutParams lp) {
+            super(lp);
+        }
+
+        public void setWidth(int width) {
+            this.width = width;
+        }
+
+        public int getWidth() {
+            return width;
+        }
+
+        public void setHeight(int height) {
+            this.height = height;
+        }
+
+        public int getHeight() {
+            return height;
+        }
+
+        public void setX(int x) {
+            this.x = x;
+        }
+
+        public int getX() {
+            return x;
+        }
+
+        public void setY(int y) {
+            this.y = y;
+        }
+
+        public int getY() {
+            return y;
+        }
+    }
+
+    protected void onLayout(boolean changed, int l, int t, int r, int b) {
+        super.onLayout(changed, l, t, r, b);
+        int count = getChildCount();
+        for (int i = 0; i < count; i++) {
+            View child = getChildAt(i);
+            final FrameLayout.LayoutParams flp = (FrameLayout.LayoutParams) child.getLayoutParams();
+            if (flp instanceof LayoutParams) {
+                final LayoutParams lp = (LayoutParams) flp;
+                if (lp.customPosition) {
+                    child.layout(lp.x, lp.y, lp.x + lp.width, lp.y + lp.height);
+                }
+            }
+        }
+    }
+}
diff --git a/src/com/android/launcher3/widget/LauncherAppWidgetHostView.java b/src/com/android/launcher3/widget/LauncherAppWidgetHostView.java
index 9d74218e0..12859c78f 100644
--- a/src/com/android/launcher3/widget/LauncherAppWidgetHostView.java
+++ b/src/com/android/launcher3/widget/LauncherAppWidgetHostView.java
@@ -47,7 +47,7 @@ import com.android.launcher3.SimpleOnStylusPressListener;
 import com.android.launcher3.StylusEventHelper;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.dragndrop.DragLayer;
-import com.android.launcher3.dragndrop.DragLayer.TouchCompleteListener;
+import com.android.launcher3.views.BaseDragLayer.TouchCompleteListener;
 
 import java.util.ArrayList;
 
diff --git a/src_ui_overrides/com/android/launcher3/uioverrides/UiFactory.java b/src_ui_overrides/com/android/launcher3/uioverrides/UiFactory.java
index a9694a74c..1227dfebf 100644
--- a/src_ui_overrides/com/android/launcher3/uioverrides/UiFactory.java
+++ b/src_ui_overrides/com/android/launcher3/uioverrides/UiFactory.java
@@ -25,7 +25,8 @@ import com.android.launcher3.util.TouchController;
 public class UiFactory {
 
     public static TouchController[] createTouchControllers(Launcher launcher) {
-        return new TouchController[] {new AllAppsSwipeController(launcher)};
+        return new TouchController[] {
+                launcher.getDragController(), new AllAppsSwipeController(launcher)};
     }
 
     public static AccessibilityDelegate newPageIndicatorAccessibilityDelegate() {