Interstitial frame for grace period of face auth

Delay bouncer for a few millis if face auth is happening to avoid
overlaping animations.

Fixes: 130327140
Test: manual
Test: atest KeyguardBouncerTest
Change-Id: I6873605ba3e8d54af86325d81b10cc6aec131cf2

packages/SystemUI/src/com/android/systemui/SystemUIFactory.java

@@ -22,12 +22,15 @@ import static com.android.systemui.Dependency.LEAK_REPORT_EMAIL_NAME;
 import android.annotation.Nullable;
 import android.app.AlarmManager;
 import android.content.Context;
+import android.os.Handler;
+import android.os.Looper;
 import android.util.Log;
 import android.view.ViewGroup;
 
 import com.android.internal.colorextraction.ColorExtractor.GradientColors;
 import com.android.internal.util.function.TriConsumer;
 import com.android.internal.widget.LockPatternUtils;
+import com.android.keyguard.KeyguardUpdateMonitor;
 import com.android.keyguard.ViewMediatorCallback;
 import com.android.systemui.assist.AssistManager;
 import com.android.systemui.classifier.FalsingManager;
@@ -125,7 +128,8 @@ public class SystemUIFactory {
             DismissCallbackRegistry dismissCallbackRegistry,
             KeyguardBouncer.BouncerExpansionCallback expansionCallback) {
         return new KeyguardBouncer(context, callback, lockPatternUtils, container,
-                dismissCallbackRegistry, FalsingManager.getInstance(context), expansionCallback);
+                dismissCallbackRegistry, FalsingManager.getInstance(context), expansionCallback,
+                KeyguardUpdateMonitor.getInstance(context), new Handler(Looper.getMainLooper()));
     }
 
     public ScrimController createScrimController(ScrimView scrimBehind, ScrimView scrimInFront,

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

@@ -54,6 +54,7 @@ import java.io.PrintWriter;
 public class KeyguardBouncer {
 
     private static final String TAG = "KeyguardBouncer";
+    static final long BOUNCER_FACE_DELAY = 800;
     static final float ALPHA_EXPANSION_THRESHOLD = 0.95f;
     static final float EXPANSION_HIDDEN = 1f;
     static final float EXPANSION_VISIBLE = 0f;
@@ -66,6 +67,7 @@ public class KeyguardBouncer {
     private final DismissCallbackRegistry mDismissCallbackRegistry;
     private final Handler mHandler;
     private final BouncerExpansionCallback mExpansionCallback;
+    private final KeyguardUpdateMonitor mKeyguardUpdateMonitor;
     private final KeyguardUpdateMonitorCallback mUpdateMonitorCallback =
             new KeyguardUpdateMonitorCallback() {
                 @Override
@@ -93,16 +95,18 @@ public class KeyguardBouncer {
     public KeyguardBouncer(Context context, ViewMediatorCallback callback,
             LockPatternUtils lockPatternUtils, ViewGroup container,
             DismissCallbackRegistry dismissCallbackRegistry, FalsingManager falsingManager,
-            BouncerExpansionCallback expansionCallback) {
+            BouncerExpansionCallback expansionCallback,
+            KeyguardUpdateMonitor keyguardUpdateMonitor, Handler handler) {
         mContext = context;
         mCallback = callback;
         mLockPatternUtils = lockPatternUtils;
         mContainer = container;
-        KeyguardUpdateMonitor.getInstance(mContext).registerCallback(mUpdateMonitorCallback);
+        mKeyguardUpdateMonitor = keyguardUpdateMonitor;
         mFalsingManager = falsingManager;
         mDismissCallbackRegistry = dismissCallbackRegistry;
         mExpansionCallback = expansionCallback;
-        mHandler = new Handler();
+        mHandler = handler;
+        mKeyguardUpdateMonitor.registerCallback(mUpdateMonitorCallback);
     }
 
     public void show(boolean resetSecuritySelection) {
@@ -164,7 +168,11 @@ public class KeyguardBouncer {
 
         // Split up the work over multiple frames.
         DejankUtils.removeCallbacks(mResetRunnable);
-        DejankUtils.postAfterTraversal(mShowRunnable);
+        if (mKeyguardUpdateMonitor.isFaceDetectionRunning()) {
+            mHandler.postDelayed(mShowRunnable, BOUNCER_FACE_DELAY);
+        } else {
+            DejankUtils.postAfterTraversal(mShowRunnable);
+        }
 
         mCallback.onBouncerVisiblityChanged(true /* shown */);
         mExpansionCallback.onStartingToShow();
@@ -266,6 +274,7 @@ public class KeyguardBouncer {
 
     private void cancelShowRunnable() {
         DejankUtils.removeCallbacks(mShowRunnable);
+        mHandler.removeCallbacks(mShowRunnable);
         mShowingSoon = false;
     }
 

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

@@ -18,6 +18,7 @@ package com.android.systemui.statusbar.phone;
 
 import static com.google.common.truth.Truth.assertThat;
 
+import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.anyFloat;
 import static org.mockito.ArgumentMatchers.anyInt;
 import static org.mockito.ArgumentMatchers.eq;
@@ -31,6 +32,7 @@ import static org.mockito.Mockito.when;
 
 import android.content.res.ColorStateList;
 import android.graphics.Color;
+import android.os.Handler;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper;
 import android.view.ViewGroup;
@@ -42,6 +44,7 @@ import androidx.test.filters.SmallTest;
 import com.android.internal.widget.LockPatternUtils;
 import com.android.keyguard.KeyguardHostView;
 import com.android.keyguard.KeyguardSecurityModel;
+import com.android.keyguard.KeyguardUpdateMonitor;
 import com.android.keyguard.ViewMediatorCallback;
 import com.android.systemui.DejankUtils;
 import com.android.systemui.SysuiTestCase;
@@ -53,6 +56,7 @@ import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
+import org.mockito.ArgumentCaptor;
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 
@@ -75,6 +79,10 @@ public class KeyguardBouncerTest extends SysuiTestCase {
     private ViewTreeObserver mViewTreeObserver;
     @Mock
     private KeyguardBouncer.BouncerExpansionCallback mExpansionCallback;
+    @Mock
+    private KeyguardUpdateMonitor mKeyguardUpdateMonitor;
+    @Mock
+    private Handler mHandler;
 
     private KeyguardBouncer mBouncer;
 
@@ -88,7 +96,7 @@ public class KeyguardBouncerTest extends SysuiTestCase {
         when(mKeyguardHostView.getHeight()).thenReturn(500);
         mBouncer = new KeyguardBouncer(getContext(), mViewMediatorCallback,
                 mLockPatternUtils, container, mDismissCallbackRegistry, mFalsingManager,
-                mExpansionCallback) {
+                mExpansionCallback, mKeyguardUpdateMonitor, mHandler) {
             @Override
             protected void inflateView() {
                 super.inflateView();
@@ -366,4 +374,22 @@ public class KeyguardBouncerTest extends SysuiTestCase {
         when(mKeyguardHostView.hasDismissActions()).thenReturn(true);
         Assert.assertTrue("Action should exist", mBouncer.willDismissWithAction());
     }
+
+    @Test
+    public void testShow_delaysIfFaceAuthIsRunning() {
+        when(mKeyguardUpdateMonitor.isFaceDetectionRunning()).thenReturn(true);
+        mBouncer.show(true /* reset */);
+
+        ArgumentCaptor<Runnable> showRunnable = ArgumentCaptor.forClass(Runnable.class);
+        verify(mHandler).postDelayed(showRunnable.capture(),
+                eq(KeyguardBouncer.BOUNCER_FACE_DELAY));
+
+        mBouncer.hide(false /* destroyView */);
+        verify(mHandler).removeCallbacks(eq(showRunnable.getValue()));
+    }
+
+    @Test
+    public void testRegisterUpdateMonitorCallback() {
+        verify(mKeyguardUpdateMonitor).registerCallback(any());
+    }
 }