Exposing some private methods to easily customize arrow popup

Change-Id: I6f6dc0604a616f26c0879732a0237767ddbfdccc
diff --git a/src/com/android/launcher3/BaseDraggingActivity.java b/src/com/android/launcher3/BaseDraggingActivity.java
index eec196e..d6635dc 100644
--- a/src/com/android/launcher3/BaseDraggingActivity.java
+++ b/src/com/android/launcher3/BaseDraggingActivity.java
@@ -18,8 +18,6 @@
 
 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;
@@ -28,23 +26,23 @@
 import android.os.UserHandle;
 import android.util.Log;
 import android.view.ActionMode;
-import android.view.Surface;
 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.uioverrides.DisplayRotationListener;
 import com.android.launcher3.uioverrides.WallpaperColorInfo;
-import com.android.launcher3.shortcuts.DeepShortcutManager;
 import com.android.launcher3.views.BaseDragLayer;
+import com.android.launcher3.views.ActivityContext;
 
 /**
  * Extension of BaseActivity allowing support for drag-n-drop
  */
 public abstract class BaseDraggingActivity extends BaseActivity
-        implements WallpaperColorInfo.OnChangeListener {
+        implements WallpaperColorInfo.OnChangeListener, ActivityContext {
 
     private static final String TAG = "BaseDraggingActivity";
 
@@ -110,6 +108,7 @@
         mCurrentActionMode = null;
     }
 
+    @Override
     public boolean finishAutoCancelActionMode() {
         if (mCurrentActionMode != null && AUTO_CANCEL_ACTION_MODE == mCurrentActionMode.getTag()) {
             mCurrentActionMode.finish();
@@ -128,13 +127,6 @@
 
     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);