diff --git a/res/drawable/pending_widget_bg.xml b/res/drawable/pending_widget_bg.xml
new file mode 100644
index 0000000..cf29f90
--- /dev/null
+++ b/res/drawable/pending_widget_bg.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2017 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<inset xmlns:android="http://schemas.android.com/apk/res/android"
+    android:drawable="@drawable/round_rect_primary"
+    android:inset="@dimen/pending_widget_min_padding" />
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 731237a..2dba83d 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -483,7 +483,7 @@
             // It's possible that All Apps is visible when this is run,
             // so always use light status bar in that case. Only change nav bar color to status bar
             // color when All Apps is visible.
-            activateLightStatusBar(lightStatusBar || isAllAppsVisible(), isAllAppsVisible());
+            activateLightSystemBars(lightStatusBar || isAllAppsVisible(), true, isAllAppsVisible());
         }
     }
 
@@ -491,21 +491,26 @@
     private static final int SYSTEM_UI_FLAG_LIGHT_NAV_BAR = 0x10;
 
     /**
-     * Sets the status bar to be light or not. Light status bar means dark icons.
-     * @param lightStatusBar make sure the status bar is light
-     * @param changeNavBar if true, make the nav bar theme in sync with status bar.
+     * Sets the status and/or nav bar to be light or not. Light status bar means dark icons.
+     * @param isLight make sure the system bar is light.
+     * @param statusBar if true, make the status bar theme match the isLight param.
+     * @param navBar if true, make the nav bar theme match the isLight param.
      */
-    public void activateLightStatusBar(boolean lightStatusBar, boolean changeNavBar) {
+    public void activateLightSystemBars(boolean isLight, boolean statusBar, boolean navBar) {
         int oldSystemUiFlags = getWindow().getDecorView().getSystemUiVisibility();
         int newSystemUiFlags = oldSystemUiFlags;
-        if (lightStatusBar) {
-            newSystemUiFlags |= View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR ;
-            if (changeNavBar && Utilities.isAtLeastO()) {
+        if (isLight) {
+            if (statusBar) {
+                newSystemUiFlags |= View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
+            }
+            if (navBar && Utilities.isAtLeastO()) {
                 newSystemUiFlags |= SYSTEM_UI_FLAG_LIGHT_NAV_BAR;
             }
         } else {
-            newSystemUiFlags &= ~(View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR);
-            if (changeNavBar && Utilities.isAtLeastO()) {
+            if (statusBar) {
+                newSystemUiFlags &= ~(View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR);
+            }
+            if (navBar && Utilities.isAtLeastO()) {
                 newSystemUiFlags &= ~(SYSTEM_UI_FLAG_LIGHT_NAV_BAR);
             }
         }
diff --git a/src/com/android/launcher3/PendingAppWidgetHostView.java b/src/com/android/launcher3/PendingAppWidgetHostView.java
index 43fa4aa..b163464 100644
--- a/src/com/android/launcher3/PendingAppWidgetHostView.java
+++ b/src/com/android/launcher3/PendingAppWidgetHostView.java
@@ -73,7 +73,7 @@
         mPaint.setColor(Themes.getAttrColor(getContext(), android.R.attr.textColorPrimary));
         mPaint.setTextSize(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_PX,
                 mLauncher.getDeviceProfile().iconTextSizePx, getResources().getDisplayMetrics()));
-        setBackgroundResource(R.drawable.round_rect_primary);
+        setBackgroundResource(R.drawable.pending_widget_bg);
         setWillNotDraw(false);
 
         setElevation(getResources().getDimension(R.dimen.pending_widget_elevation));
diff --git a/src/com/android/launcher3/allapps/AllAppsTransitionController.java b/src/com/android/launcher3/allapps/AllAppsTransitionController.java
index b436fa2..30ed180 100644
--- a/src/com/android/launcher3/allapps/AllAppsTransitionController.java
+++ b/src/com/android/launcher3/allapps/AllAppsTransitionController.java
@@ -9,7 +9,6 @@
 import android.graphics.Color;
 import android.support.v4.graphics.ColorUtils;
 import android.support.v4.view.animation.FastOutSlowInInterpolator;
-import android.util.Log;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.animation.AccelerateInterpolator;
@@ -47,11 +46,10 @@
     private final Interpolator mAccelInterpolator = new AccelerateInterpolator(2f);
     private final Interpolator mDecelInterpolator = new DecelerateInterpolator(3f);
     private final Interpolator mFastOutSlowInInterpolator = new FastOutSlowInInterpolator();
-    private final ScrollInterpolator mScrollInterpolator = new ScrollInterpolator();
+    private final VerticalPullDetector.ScrollInterpolator mScrollInterpolator
+            = new VerticalPullDetector.ScrollInterpolator();
 
-    private static final float ANIMATION_DURATION = 1200;
     private static final float PARALLAX_COEFFICIENT = .125f;
-    private static final float FAST_FLING_PX_MS = 10;
     private static final int SINGLE_FRAME_MS = 16;
 
     private AllAppsContainerView mAppsView;
@@ -262,7 +260,7 @@
         // Use a light status bar (dark icons) if all apps is behind at least half of the status
         // bar. If the status bar is already light due to wallpaper extraction, keep it that way.
         boolean forceLight = shift <= mStatusBarHeight / 2;
-        mLauncher.activateLightStatusBar(forceLight, true);
+        mLauncher.activateLightSystemBars(forceLight, true /* statusBar */, true /* navBar */);
     }
 
     /**
@@ -315,13 +313,7 @@
     }
 
     private void calculateDuration(float velocity, float disp) {
-        // TODO: make these values constants after tuning.
-        float velocityDivisor = Math.max(2f, Math.abs(0.5f * velocity));
-        float travelDistance = Math.max(0.2f, disp / mShiftRange);
-        mAnimationDuration = (long) Math.max(100, ANIMATION_DURATION / velocityDivisor * travelDistance);
-        if (DBG) {
-            Log.d(TAG, String.format("calculateDuration=%d, v=%f, d=%f", mAnimationDuration, velocity, disp));
-        }
+        mAnimationDuration = mDetector.calculateDuration(velocity, disp / mShiftRange);
     }
 
     public boolean animateToAllApps(AnimatorSet animationOut, long duration) {
@@ -511,21 +503,4 @@
         setProgress(mProgress);
     }
 
-    static class ScrollInterpolator implements Interpolator {
-
-        boolean mSteeper;
-
-        public void setVelocityAtZero(float velocity) {
-            mSteeper = velocity > FAST_FLING_PX_MS;
-        }
-
-        public float getInterpolation(float t) {
-            t -= 1.0f;
-            float output = t * t * t;
-            if (mSteeper) {
-                output *= t * t; // Make interpolation initial slope steeper
-            }
-            return output + 1;
-        }
-    }
 }
diff --git a/src/com/android/launcher3/allapps/VerticalPullDetector.java b/src/com/android/launcher3/allapps/VerticalPullDetector.java
index 96e1299..7800c01 100644
--- a/src/com/android/launcher3/allapps/VerticalPullDetector.java
+++ b/src/com/android/launcher3/allapps/VerticalPullDetector.java
@@ -4,6 +4,7 @@
 import android.util.Log;
 import android.view.MotionEvent;
 import android.view.ViewConfiguration;
+import android.view.animation.Interpolator;
 
 /**
  * One dimensional scroll gesture detector for all apps container pull up interaction.
@@ -23,6 +24,9 @@
     public static final int DIRECTION_DOWN = 1 << 1;
     public static final int DIRECTION_BOTH = DIRECTION_DOWN | DIRECTION_UP;
 
+    private static final float ANIMATION_DURATION = 1200;
+    private static final float FAST_FLING_PX_MS = 10;
+
     /**
      * The minimum release velocity in pixels per millisecond that triggers fling..
      */
@@ -112,7 +116,7 @@
         mListener = l;
     }
 
-    interface Listener {
+    public interface Listener {
         void onDragStart(boolean start);
 
         boolean onDrag(float displacement, float velocity);
@@ -272,4 +276,33 @@
     private static float interpolate(float from, float to, float alpha) {
         return (1.0f - alpha) * from + alpha * to;
     }
+
+    public long calculateDuration(float velocity, float progressNeeded) {
+        // TODO: make these values constants after tuning.
+        float velocityDivisor = Math.max(2f, Math.abs(0.5f * velocity));
+        float travelDistance = Math.max(0.2f, progressNeeded);
+        long duration = (long) Math.max(100, ANIMATION_DURATION / velocityDivisor * travelDistance);
+        if (DBG) {
+            Log.d(TAG, String.format("calculateDuration=%d, v=%f, d=%f", duration, velocity, progressNeeded));
+        }
+        return duration;
+    }
+
+    public static class ScrollInterpolator implements Interpolator {
+
+        boolean mSteeper;
+
+        public void setVelocityAtZero(float velocity) {
+            mSteeper = velocity > FAST_FLING_PX_MS;
+        }
+
+        public float getInterpolation(float t) {
+            t -= 1.0f;
+            float output = t * t * t;
+            if (mSteeper) {
+                output *= t * t; // Make interpolation initial slope steeper
+            }
+            return output + 1;
+        }
+    }
 }