From 568cae571a3d74d1992176a21722e07b44e9a3c4 Mon Sep 17 00:00:00 2001
From: Dianne Hackborn <hackbod@google.com>
Date: Wed, 7 Oct 2009 16:13:39 -0700
Subject: [PATCH] Fix issue #2171460: Turn off background blurring of power
 dialog

Change-Id: I521629e0ccd0116acf149eeb7476c8474fc7c74a
---
 .../com/android/internal/app/ShutdownThread.java  | 11 +++++++++--
 core/res/res/values/config.xml                    |  5 +++++
 .../android/server/status/StatusBarPolicy.java    | 15 ++++++++++-----
 3 files changed, 24 insertions(+), 7 deletions(-)

diff --git a/core/java/com/android/internal/app/ShutdownThread.java b/core/java/com/android/internal/app/ShutdownThread.java
index 01f6dac2a4b15..2060cf8a7ad1f 100644
--- a/core/java/com/android/internal/app/ShutdownThread.java
+++ b/core/java/com/android/internal/app/ShutdownThread.java
@@ -32,6 +32,7 @@ import android.os.RemoteException;
 import android.os.Power;
 import android.os.ServiceManager;
 import android.os.SystemClock;
+
 import com.android.internal.telephony.ITelephony;
 import android.util.Log;
 import android.view.WindowManager;
@@ -91,7 +92,10 @@ public final class ShutdownThread extends Thread {
                     .setNegativeButton(com.android.internal.R.string.no, null)
                     .create();
             dialog.getWindow().setType(WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG);
-            dialog.getWindow().addFlags(WindowManager.LayoutParams.FLAG_BLUR_BEHIND);
+            if (!context.getResources().getBoolean(
+                    com.android.internal.R.bool.config_sf_slowBlur)) {
+                dialog.getWindow().addFlags(WindowManager.LayoutParams.FLAG_BLUR_BEHIND);
+            }
             dialog.show();
         } else {
             beginShutdownSequence(context);
@@ -111,7 +115,10 @@ public final class ShutdownThread extends Thread {
         pd.setIndeterminate(true);
         pd.setCancelable(false);
         pd.getWindow().setType(WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG);
-        pd.getWindow().addFlags(WindowManager.LayoutParams.FLAG_BLUR_BEHIND);
+        if (!context.getResources().getBoolean(
+                com.android.internal.R.bool.config_sf_slowBlur)) {
+            pd.getWindow().addFlags(WindowManager.LayoutParams.FLAG_BLUR_BEHIND);
+        }
 
         pd.show();
 
diff --git a/core/res/res/values/config.xml b/core/res/res/values/config.xml
index 9f4af83602cec..9040edb7a58c2 100644
--- a/core/res/res/values/config.xml
+++ b/core/res/res/values/config.xml
@@ -26,6 +26,11 @@
          strictly needed. -->
     <bool name="config_sf_limitedAlpha">false</bool>
     
+    <!-- Flag indicating whether the surface flinger is inefficient
+         at performing a blur.  Used by parts of the UI to turn off
+         the blur effect where it isn't worth the performance hit. -->
+    <bool name="config_sf_slowBlur">false</bool>
+    
     <!-- The duration (in milliseconds) of a short animation. -->
     <integer name="config_shortAnimTime">150</integer>
     
diff --git a/services/java/com/android/server/status/StatusBarPolicy.java b/services/java/com/android/server/status/StatusBarPolicy.java
index 801a938c46960..3d1fb83ee1327 100644
--- a/services/java/com/android/server/status/StatusBarPolicy.java
+++ b/services/java/com/android/server/status/StatusBarPolicy.java
@@ -624,15 +624,20 @@ public class StatusBarPolicy {
             pixelFormat = bg.getOpacity();
         }
 
+        int flags =  WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
+                | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE
+                | WindowManager.LayoutParams.FLAG_DIM_BEHIND;
+        
+        if (!mContext.getResources().getBoolean(
+                com.android.internal.R.bool.config_sf_slowBlur)) {
+            flags |= WindowManager.LayoutParams.FLAG_BLUR_BEHIND;
+        }
+        
         WindowManager.LayoutParams lp = new WindowManager.LayoutParams(
                 ViewGroup.LayoutParams.WRAP_CONTENT,
                 ViewGroup.LayoutParams.WRAP_CONTENT,
                 WindowManager.LayoutParams.TYPE_TOAST,
-                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
-                    | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE
-                    | WindowManager.LayoutParams.FLAG_BLUR_BEHIND
-                    | WindowManager.LayoutParams.FLAG_DIM_BEHIND,
-                pixelFormat);
+                flags, pixelFormat);
 
         // Get the dim amount from the theme
         TypedArray a = mContext.obtainStyledAttributes(