2 files changed, 12 insertions, 0 deletions
diff --git a/core/java/android/widget/OverScroller.java b/core/java/android/widget/OverScroller.java
index 50569d7..9130d9a 100644
--- a/core/java/android/widget/OverScroller.java
+++ b/core/java/android/widget/OverScroller.java
@@ -18,6 +18,7 @@ package android.widget;
 
 import android.content.Context;
 import android.hardware.SensorManager;
+import android.os.PowerManager;
 import android.util.Log;
 import android.view.ViewConfiguration;
 import android.view.animation.AnimationUtils;
@@ -599,6 +600,8 @@ public class OverScroller {
         private static final int CUBIC = 1;
         private static final int BALLISTIC = 2;
 
+        private final PowerManager mPm;
+
         static {
             float x_min = 0.0f;
             float y_min = 0.0f;
@@ -643,6 +646,7 @@ public class OverScroller {
                     * 39.37f // inch/meter
                     * ppi
                     * 0.84f; // look and feel tuning
+            mPm = (PowerManager)context.getSystemService(Context.POWER_SERVICE);
         }
 
         void updateScroll(float q) {
@@ -760,6 +764,7 @@ public class OverScroller {
             if (velocity != 0) {
                 mDuration = mSplineDuration = getSplineFlingDuration(velocity);
                 totalDistance = getSplineFlingDistance(velocity);
+                mPm.cpuBoost(mDuration * 1000);
             }
 
             mSplineDistance = (int) (totalDistance * Math.signum(velocity));
diff --git a/core/java/android/widget/Scroller.java b/core/java/android/widget/Scroller.java
index 357c9c3..a968eae 100644
--- a/core/java/android/widget/Scroller.java
+++ b/core/java/android/widget/Scroller.java
@@ -19,6 +19,7 @@ package android.widget;
 import android.content.Context;
 import android.hardware.SensorManager;
 import android.os.Build;
+import android.os.PowerManager;
 import android.view.ViewConfiguration;
 import android.view.animation.AnimationUtils;
 import android.view.animation.Interpolator;
@@ -108,6 +109,8 @@ public class Scroller  {
     private float mDeceleration;
     private final float mPpi;
 
+    private final PowerManager mPm;
+
     // A context-specific coefficient adjusted to physical values.
     private float mPhysicalCoeff;
 
@@ -178,6 +181,8 @@ public class Scroller  {
         mFlywheel = flywheel;
 
         mPhysicalCoeff = computeDeceleration(0.84f); // look and feel tuning
+
+        mPm = (PowerManager)context.getSystemService(Context.POWER_SERVICE);
     }
 
     /**
@@ -395,6 +400,8 @@ public class Scroller  {
         mDeltaX = dx;
         mDeltaY = dy;
         mDurationReciprocal = 1.0f / (float) mDuration;
+
+        mPm.cpuBoost(duration * 1000);
     }
 
     /**