Merge "Protect VPN dialogs against overlay." into qt-dev

am: e02360b53a

Change-Id: Ic4836367e0664c9dd0c8b1a35260b1332060674f

3 files changed, 11 insertions, 3 deletions

diff --git a/packages/VpnDialogs/AndroidManifest.xml b/packages/VpnDialogs/AndroidManifest.xml
index 9f6ba03a10d9..469bdc69c78a 100644
--- a/packages/VpnDialogs/AndroidManifest.xml
+++ b/packages/VpnDialogs/AndroidManifest.xml
@@ -22,6 +22,7 @@
     <uses-permission android:name="android.permission.CONTROL_VPN" />
     <uses-permission android:name="android.permission.CONTROL_ALWAYS_ON_VPN" />
     <uses-permission android:name="android.permission.CONNECTIVITY_INTERNAL" />
+    <uses-permission android:name="android.permission.HIDE_NON_SYSTEM_OVERLAY_WINDOWS"/>
 
     <application android:label="VpnDialogs"
                  android:allowBackup="false">
diff --git a/packages/VpnDialogs/src/com/android/vpndialogs/AlwaysOnDisconnectedDialog.java b/packages/VpnDialogs/src/com/android/vpndialogs/AlwaysOnDisconnectedDialog.java
index 846fcf867e32..4d95ef13a2a8 100644
--- a/packages/VpnDialogs/src/com/android/vpndialogs/AlwaysOnDisconnectedDialog.java
+++ b/packages/VpnDialogs/src/com/android/vpndialogs/AlwaysOnDisconnectedDialog.java
@@ -16,6 +16,10 @@
 
 package com.android.vpndialogs;
 
+import static android.view.WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM;
+import static android.view.WindowManager.LayoutParams.SYSTEM_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS;
+import static android.view.WindowManager.LayoutParams.TYPE_SYSTEM_ALERT;
+
 import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
@@ -31,7 +35,6 @@ import android.text.method.LinkMovementMethod;
 import android.text.style.ClickableSpan;
 import android.util.Log;
 import android.view.View;
-import android.view.WindowManager;
 import android.widget.TextView;
 
 import com.android.internal.app.AlertActivity;
@@ -74,8 +77,9 @@ public class AlwaysOnDisconnectedDialog extends AlertActivity
         setupAlert();
 
         getWindow().setCloseOnTouchOutside(false);
-        getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_ALERT);
-        getWindow().addFlags(WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM);
+        getWindow().setType(TYPE_SYSTEM_ALERT);
+        getWindow().addFlags(FLAG_ALT_FOCUSABLE_IM);
+        getWindow().addPrivateFlags(SYSTEM_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS);
     }
 
     @Override
diff --git a/packages/VpnDialogs/src/com/android/vpndialogs/ConfirmDialog.java b/packages/VpnDialogs/src/com/android/vpndialogs/ConfirmDialog.java
index 989470fdb2e9..48adb9ba3f63 100644
--- a/packages/VpnDialogs/src/com/android/vpndialogs/ConfirmDialog.java
+++ b/packages/VpnDialogs/src/com/android/vpndialogs/ConfirmDialog.java
@@ -16,6 +16,8 @@
 
 package com.android.vpndialogs;
 
+import static android.view.WindowManager.LayoutParams.SYSTEM_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS;
+
 import android.content.Context;
 import android.content.DialogInterface;
 import android.content.pm.PackageManager;
@@ -79,6 +81,7 @@ public class ConfirmDialog extends AlertActivity
         setupAlert();
 
         getWindow().setCloseOnTouchOutside(false);
+        getWindow().addPrivateFlags(SYSTEM_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS);
         Button button = mAlert.getButton(DialogInterface.BUTTON_POSITIVE);
         button.setFilterTouchesWhenObscured(true);
     }