commit 733fdf34b6a8a8e3983ff7663828a928d3c19944
author Mike Lockwood <lockwood@android.com> Mon Sep 28 19:08:53 2009 -0400
committer Mike Lockwood <lockwood@android.com> Mon Sep 28 19:21:07 2009 -0400
tree 22538d8c3637e1296e297492b7f1ae1f9fa07514
parent c031981f2320aa592aa819f4b0a22d0da6e7d5e4

Disable keyguard while docked when the lock screen is insecure.

Change-Id: If6e11bb49a2cbbe904517e6037d1e8b99fe2717c
Signed-off-by: Mike Lockwood <lockwood@android.com>

services/java/com/android/server/DockObserver.java

diff --git a/services/java/com/android/server/DockObserver.java b/services/java/com/android/server/DockObserver.java
index a70134d..aa9c243 100644
--- a/services/java/com/android/server/DockObserver.java
+++ b/services/java/com/android/server/DockObserver.java
@@ -17,6 +17,7 @@
 package com.android.server;
 
 import android.app.Activity;
+import android.app.KeyguardManager;
 import android.content.ActivityNotFoundException;
 import android.content.BroadcastReceiver;
 import android.content.Context;
@@ -27,6 +28,8 @@
 import android.os.UEventObserver;
 import android.util.Log;
 
+import com.android.internal.widget.LockPatternUtils;
+
 import java.io.FileReader;
 import java.io.FileNotFoundException;
 
@@ -46,7 +49,11 @@
     private final Context mContext;
 
     private PowerManagerService mPowerManager;
-    
+
+    private KeyguardManager.KeyguardLock mKeyguardLock;
+    private boolean mKeyguardDisabled;
+    private LockPatternUtils mLockPatternUtils;
+
     // 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.,
@@ -88,6 +95,7 @@
     public DockObserver(Context context, PowerManagerService pm) {
         mContext = context;
         mPowerManager = pm;
+        mLockPatternUtils = new LockPatternUtils(context.getContentResolver());
         init();  // set initial status
         startObserving(DOCK_UEVENT_MATCH);
     }
@@ -130,6 +138,10 @@
 
     void systemReady() {
         synchronized (this) {
+            KeyguardManager keyguardManager =
+                    (KeyguardManager)mContext.getSystemService(Context.KEYGUARD_SERVICE);
+            mKeyguardLock = keyguardManager.newKeyguardLock(TAG);
+
             // don't bother broadcasting undocked here
             if (mDockState != Intent.EXTRA_DOCK_STATE_UNDOCKED) {
                 update();
@@ -142,10 +154,25 @@
         mHandler.sendEmptyMessage(0);
     }
 
+    private final void updateKeyguardLocked() {
+        if (!mLockPatternUtils.isLockPatternEnabled()) {
+            if (!mKeyguardDisabled && mDockState != Intent.EXTRA_DOCK_STATE_UNDOCKED) {
+                Log.d(TAG, "calling mKeyguardLock.disableKeyguard");
+                mKeyguardLock.disableKeyguard();
+                mKeyguardDisabled = true;
+            } else if (mKeyguardDisabled && mDockState == Intent.EXTRA_DOCK_STATE_UNDOCKED) {
+                Log.d(TAG, "calling mKeyguardLock.reenableKeyguard");
+                mKeyguardLock.reenableKeyguard();
+                mKeyguardDisabled = false;
+            }
+        }
+    }
+
     private final Handler mHandler = new Handler() {
         @Override
         public void handleMessage(Message msg) {
             synchronized (this) {
+                updateKeyguardLocked();
                 Log.d(TAG, "Broadcasting dock state " + mDockState);
                 // Pack up the values and broadcast them to everyone
                 mPowerManager.userActivityWithForce(SystemClock.uptimeMillis(), false, true);