From a0430a1860dc3ee56a09c540ebed4ef0af5ab423 Mon Sep 17 00:00:00 2001
From: Daniel Sandler <dsandler@google.com>
Date: Thu, 11 Feb 2010 23:35:49 -0500
Subject: [PATCH] Disable distracting status bar ticker text in car mode.

Bug: 2420702

Change-Id: I17ade6355b60da5e77d17f3556c86a4aaf40d173
---
 .../java/com/android/server/DockObserver.java  | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/services/java/com/android/server/DockObserver.java b/services/java/com/android/server/DockObserver.java
index 742a7d8c802e5..c90736876ee88 100644
--- a/services/java/com/android/server/DockObserver.java
+++ b/services/java/com/android/server/DockObserver.java
@@ -21,6 +21,7 @@ import android.app.ActivityManagerNative;
 import android.app.IActivityManager;
 import android.app.IUiModeManager;
 import android.app.KeyguardManager;
+import android.app.StatusBarManager;
 import android.bluetooth.BluetoothAdapter;
 import android.bluetooth.BluetoothDevice;
 import android.content.ActivityNotFoundException;
@@ -71,6 +72,8 @@ class DockObserver extends UEventObserver {
     private boolean mKeyguardDisabled;
     private LockPatternUtils mLockPatternUtils;
 
+    private StatusBarManager mStatusBarManager;    
+
     // The broadcast receiver which receives the result of the ordered broadcast sent when
     // the dock state changes. The original ordered broadcast is sent with an initial result
     // code of RESULT_OK. If any of the registered broadcast receivers changes this value, e.g.,
@@ -234,6 +237,21 @@ class DockObserver extends UEventObserver {
             // Disabling the car mode clears the night mode.
             setMode(Configuration.UI_MODE_TYPE_NORMAL, MODE_NIGHT_NO);
         }
+
+        if (mStatusBarManager == null) {
+            mStatusBarManager = (StatusBarManager) mContext.getSystemService(Context.STATUS_BAR_SERVICE);
+        }
+
+        // Fear not: StatusBarService manages a list of requests to disable
+        // features of the status bar; these are ORed together to form the
+        // active disabled list. So if (for example) the device is locked and
+        // the status bar should be totally disabled, the calls below will
+        // have no effect until the device is unlocked.
+        if (mStatusBarManager != null) {
+            mStatusBarManager.disable(enabled 
+                ? StatusBarManager.DISABLE_NOTIFICATION_TICKER
+                : StatusBarManager.DISABLE_NONE);
+        }
     }
 
     private void setMode(int modeType, int modeNight) throws RemoteException {