Prevent leaking Wi-Fi dialog on lock screen

- The Wi-Fi dialog is designed to be displayed on the system UI

- Dismiss Wi-Fi dialog to prevent leaking user data on lock screen

Bug: 231583603
Test: manual test
make RunSettingsRoboTests ROBOTEST_FILTER=WifiDialogActivityTest

Change-Id: Ie67ff1138ffeddd3e358331d8cef61e0629173e2

tests/robotests/src/com/android/settings/wifi/WifiDialogActivityTest.java

@@ -33,6 +33,7 @@ import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
+import android.app.KeyguardManager;
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.net.wifi.WifiConfiguration;
@@ -46,7 +47,6 @@ import com.android.wifitrackerlib.WifiEntry;
 import com.google.android.setupcompat.util.WizardManagerHelper;
 
 import org.junit.Before;
-import org.junit.Ignore;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.Mock;
@@ -82,6 +82,8 @@ public class WifiDialogActivityTest {
     Intent mResultData;
     @Mock
     WifiConfigController mController;
+    @Mock
+    KeyguardManager mKeyguardManager;
 
     WifiDialogActivity mActivity;
 
@@ -99,6 +101,7 @@ public class WifiDialogActivityTest {
         mActivity = spy(Robolectric.setupActivity(WifiDialogActivity.class));
         when(mActivity.getSystemService(UserManager.class)).thenReturn(mUserManager);
         when(mActivity.getSystemService(WifiManager.class)).thenReturn(mWifiManager);
+        when(mActivity.getSystemService(KeyguardManager.class)).thenReturn(mKeyguardManager);
     }
 
     @Test
@@ -294,4 +297,35 @@ public class WifiDialogActivityTest {
 
         assertThat(result).isTrue();
     }
+
+    @Test
+    public void dismissDialog_hasDialog_dialogDismiss() {
+        mActivity.mDialog = mWifiDialog;
+        mActivity.mDialog2 = mWifiDialog2;
+
+        mActivity.dismissDialog();
+
+        verify(mWifiDialog).dismiss();
+        verify(mWifiDialog2).dismiss();
+    }
+
+    @Test
+    public void onKeyguardLockedStateChanged_keyguardIsNotLocked_doNotDismissDialog() {
+        WifiDialogActivity.LockScreenMonitor lockScreenMonitor =
+                new WifiDialogActivity.LockScreenMonitor(mActivity);
+
+        lockScreenMonitor.onKeyguardLockedStateChanged(false /* isKeyguardLocked */);
+
+        verify(mActivity, never()).dismissDialog();
+    }
+
+    @Test
+    public void onKeyguardLockedStateChanged_keyguardIsLocked_dismissDialog() {
+        WifiDialogActivity.LockScreenMonitor lockScreenMonitor =
+                new WifiDialogActivity.LockScreenMonitor(mActivity);
+
+        lockScreenMonitor.onKeyguardLockedStateChanged(true /* isKeyguardLocked */);
+
+        verify(mActivity).dismissDialog();
+    }
 }