SIM - Resume view controller

On power off/on, the fullscreen bouncer gets paused but never
resumed. Make sure the subsequent calls to show resume the view
controllers.

Fixes: 231530217
Test: atest KeyguardBouncerTest
Change-Id: I4bfa0d7155f6e39666bf5c1e82ccc6464d5ee8ab

packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardBouncer.java

@@ -188,6 +188,10 @@ public class KeyguardBouncer {
             }
 
             if (mContainer.getVisibility() == View.VISIBLE || mShowingSoon) {
+                // Calls to reset must resume the ViewControllers when in fullscreen mode
+                if (needsFullscreenBouncer()) {
+                    mKeyguardViewController.onResume();
+                }
                 return;
             }
 

packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/KeyguardBouncerTest.java

@@ -475,4 +475,19 @@ public class KeyguardBouncerTest extends SysuiTestCase {
         mBouncer.setExpansion(bouncerHideAmount);
         verify(callback, never()).onExpansionChanged(bouncerHideAmount);
     }
+
+    @Test
+    public void testOnResumeCalledForFullscreenBouncerOnSecondShow() {
+        // GIVEN a security mode which requires fullscreen bouncer
+        when(mKeyguardSecurityModel.getSecurityMode(anyInt()))
+                .thenReturn(KeyguardSecurityModel.SecurityMode.SimPin);
+        mBouncer.show(true);
+
+        // WHEN a second call to show occurs, the bouncer will already by visible
+        reset(mKeyguardHostViewController);
+        mBouncer.show(true);
+
+        // THEN ensure the ViewController is told to resume
+        verify(mKeyguardHostViewController).onResume();
+    }
 }