Revealing the light reveal scrim only during keyguard exit animation

When unlocking from AOD, we now wait visually before
starting the reveal animation

Test: atest SystemUITests
Bug: 197113783
Merged-In: I5180ec48e6e100832741273277ac9d2ff4c289b0
Change-Id: I5180ec48e6e100832741273277ac9d2ff4c289b0
(cherry picked from commit 9eda54b15e8e1a63759c40e14f8060a39eb6fd97)

5 files changed, 120 insertions, 37 deletions

diff --git a/packages/SystemUI/src/com/android/systemui/biometrics/AuthRippleController.kt b/packages/SystemUI/src/com/android/systemui/biometrics/AuthRippleController.kt
index e232316b8a94..2630f119de00 100644
--- a/packages/SystemUI/src/com/android/systemui/biometrics/AuthRippleController.kt
+++ b/packages/SystemUI/src/com/android/systemui/biometrics/AuthRippleController.kt
@@ -16,6 +16,7 @@
 
 package com.android.systemui.biometrics
 
+import android.animation.ValueAnimator
 import android.content.Context
 import android.content.res.Configuration
 import android.graphics.PointF
@@ -26,6 +27,8 @@ import com.android.keyguard.KeyguardUpdateMonitor
 import com.android.keyguard.KeyguardUpdateMonitorCallback
 import com.android.settingslib.Utils
 import com.android.systemui.R
+import com.android.systemui.animation.Interpolators
+import com.android.systemui.keyguard.WakefulnessLifecycle
 import com.android.systemui.statusbar.CircleReveal
 import com.android.systemui.statusbar.LightRevealEffect
 import com.android.systemui.statusbar.NotificationShadeWindowController
@@ -36,12 +39,15 @@ import com.android.systemui.statusbar.phone.KeyguardBypassController
 import com.android.systemui.statusbar.phone.StatusBar
 import com.android.systemui.statusbar.phone.dagger.StatusBarComponent.StatusBarScope
 import com.android.systemui.statusbar.policy.ConfigurationController
+import com.android.systemui.statusbar.policy.KeyguardStateController
 import com.android.systemui.util.ViewController
 import java.io.PrintWriter
 import javax.inject.Inject
 import javax.inject.Provider
 import com.android.systemui.plugins.statusbar.StatusBarStateController
 
+private const val WAKE_AND_UNLOCK_FADE_DURATION = 180L
+
 /***
  * Controls the ripple effect that shows when authentication is successful.
  * The ripple uses the accent color of the current theme.
@@ -53,6 +59,8 @@ class AuthRippleController @Inject constructor(
     private val authController: AuthController,
     private val configurationController: ConfigurationController,
     private val keyguardUpdateMonitor: KeyguardUpdateMonitor,
+    private val keyguardStateController: KeyguardStateController,
+    private val wakefulnessLifecycle: WakefulnessLifecycle,
     private val commandRegistry: CommandRegistry,
     private val notificationShadeWindowController: NotificationShadeWindowController,
     private val bypassController: KeyguardBypassController,
@@ -60,7 +68,11 @@ class AuthRippleController @Inject constructor(
     private val udfpsControllerProvider: Provider<UdfpsController>,
     private val statusBarStateController: StatusBarStateController,
     rippleView: AuthRippleView?
-) : ViewController<AuthRippleView>(rippleView) {
+) : ViewController<AuthRippleView>(rippleView), KeyguardStateController.Callback,
+    WakefulnessLifecycle.Observer {
+
+    @VisibleForTesting
+    internal var startLightRevealScrimOnKeyguardFadingAway = false
     var fingerprintSensorLocation: PointF? = null
     private var faceSensorLocation: PointF? = null
     private var circleReveal: LightRevealEffect? = null
@@ -87,6 +99,8 @@ class AuthRippleController @Inject constructor(
         udfpsController?.addCallback(udfpsControllerCallback)
         configurationController.addCallback(configurationChangedListener)
         keyguardUpdateMonitor.registerCallback(keyguardUpdateMonitorCallback)
+        keyguardStateController.addCallback(this)
+        wakefulnessLifecycle.addObserver(this)
         commandRegistry.registerCommand("auth-ripple") { AuthRippleCommand() }
     }
 
@@ -96,6 +110,8 @@ class AuthRippleController @Inject constructor(
         authController.removeCallback(authControllerCallback)
         keyguardUpdateMonitor.removeCallback(keyguardUpdateMonitorCallback)
         configurationController.removeCallback(configurationChangedListener)
+        keyguardStateController.removeCallback(this)
+        wakefulnessLifecycle.removeObserver(this)
         commandRegistry.unregisterCommand("auth-ripple")
 
         notificationShadeWindowController.setForcePluginOpen(false, this)
@@ -123,30 +139,48 @@ class AuthRippleController @Inject constructor(
 
     private fun showUnlockedRipple() {
         notificationShadeWindowController.setForcePluginOpen(true, this)
-        val biometricUnlockMode = biometricUnlockController.mode
-        val useCircleReveal = circleReveal != null &&
-            (biometricUnlockMode == BiometricUnlockController.MODE_WAKE_AND_UNLOCK ||
-                biometricUnlockMode == BiometricUnlockController.MODE_WAKE_AND_UNLOCK_PULSING ||
-                biometricUnlockMode == BiometricUnlockController.MODE_WAKE_AND_UNLOCK_FROM_DREAM)
+        val useCircleReveal = circleReveal != null && biometricUnlockController.isWakeAndUnlock
         val lightRevealScrim = statusBar.lightRevealScrim
         if (useCircleReveal) {
             lightRevealScrim?.revealEffect = circleReveal!!
+            startLightRevealScrimOnKeyguardFadingAway = true
         }
 
         mView.startUnlockedRipple(
             /* end runnable */
             Runnable {
                 notificationShadeWindowController.setForcePluginOpen(false, this)
-            },
-            /* circleReveal */
-            if (useCircleReveal) {
-                lightRevealScrim
-            } else {
-                null
             }
         )
     }
 
+    override fun onKeyguardFadingAwayChanged() {
+        if (keyguardStateController.isKeyguardFadingAway) {
+            val lightRevealScrim = statusBar.lightRevealScrim
+            if (startLightRevealScrimOnKeyguardFadingAway && lightRevealScrim != null) {
+                val revealAnimator = ValueAnimator.ofFloat(.1f, 1f).apply {
+                    interpolator = Interpolators.LINEAR_OUT_SLOW_IN
+                    duration = RIPPLE_ANIMATION_DURATION
+                    startDelay = keyguardStateController.keyguardFadingAwayDelay
+                    addUpdateListener { animator ->
+                        if (lightRevealScrim.revealEffect != circleReveal) {
+                            // if the something else took over the reveal, let's do nothing.
+                            return@addUpdateListener
+                        }
+                        lightRevealScrim.revealAmount = animator.animatedValue as Float
+                    }
+                }
+                revealAnimator.start()
+                startLightRevealScrimOnKeyguardFadingAway = false
+            }
+        }
+    }
+
+    override fun onStartedGoingToSleep() {
+        // reset the light reveal start in case we were pending an unlock
+        startLightRevealScrimOnKeyguardFadingAway = false
+    }
+
     fun updateSensorLocation() {
         fingerprintSensorLocation = authController.fingerprintSensorLocation
         faceSensorLocation = authController.faceAuthSensorLocation
@@ -318,4 +352,8 @@ class AuthRippleController @Inject constructor(
             help(pw)
         }
     }
+
+    companion object {
+        const val RIPPLE_ANIMATION_DURATION: Long = 1533
+    }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/biometrics/AuthRippleView.kt b/packages/SystemUI/src/com/android/systemui/biometrics/AuthRippleView.kt
index 1113579e417c..c6d26ffb9957 100644
--- a/packages/SystemUI/src/com/android/systemui/biometrics/AuthRippleView.kt
+++ b/packages/SystemUI/src/com/android/systemui/biometrics/AuthRippleView.kt
@@ -26,13 +26,10 @@ import android.graphics.PointF
 import android.util.AttributeSet
 import android.view.View
 import android.view.animation.PathInterpolator
-import com.android.internal.R.attr.interpolator
 import com.android.internal.graphics.ColorUtils
 import com.android.systemui.animation.Interpolators
-import com.android.systemui.statusbar.LightRevealScrim
 import com.android.systemui.statusbar.charging.RippleShader
 
-private const val RIPPLE_ANIMATION_DURATION: Long = 1533
 private const val RIPPLE_SPARKLE_STRENGTH: Float = 0.4f
 
 /**
@@ -250,7 +247,7 @@ class AuthRippleView(context: Context?, attrs: AttributeSet?) : View(context, at
     /**
      * Ripple that bursts outwards from the position of the sensor to the edges of the screen
      */
-    fun startUnlockedRipple(onAnimationEnd: Runnable?, lightReveal: LightRevealScrim?) {
+    fun startUnlockedRipple(onAnimationEnd: Runnable?) {
         if (unlockedRippleInProgress) {
             return // Ignore if ripple effect is already playing
         }
@@ -266,7 +263,7 @@ class AuthRippleView(context: Context?, attrs: AttributeSet?) : View(context, at
 
         val rippleAnimator = ValueAnimator.ofFloat(rippleStart, 1f).apply {
             interpolator = Interpolators.LINEAR_OUT_SLOW_IN
-            duration = RIPPLE_ANIMATION_DURATION
+            duration = AuthRippleController.RIPPLE_ANIMATION_DURATION
             addUpdateListener { animator ->
                 val now = animator.currentPlayTime
                 rippleShader.progress = animator.animatedValue as Float
@@ -276,14 +273,6 @@ class AuthRippleView(context: Context?, attrs: AttributeSet?) : View(context, at
             }
         }
 
-        val revealAnimator = ValueAnimator.ofFloat(.1f, 1f).apply {
-            interpolator = rippleAnimator.interpolator
-            duration = rippleAnimator.duration
-            addUpdateListener { animator ->
-                lightReveal?.revealAmount = animator.animatedValue as Float
-            }
-        }
-
         val alphaInAnimator = ValueAnimator.ofInt(0, 255).apply {
             duration = alphaDuration
             addUpdateListener { animator ->
@@ -298,7 +287,6 @@ class AuthRippleView(context: Context?, attrs: AttributeSet?) : View(context, at
         val animatorSet = AnimatorSet().apply {
             playTogether(
                 rippleAnimator,
-                revealAnimator,
                 alphaInAnimator
             )
             addListener(object : AnimatorListenerAdapter() {
diff --git a/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java b/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java
index ee3d40edc2eb..1a8af3bb650b 100644
--- a/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java
+++ b/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java
@@ -818,6 +818,7 @@ public class KeyguardViewMediator extends SystemUI implements Dumpable,
 
     private final KeyguardStateController mKeyguardStateController;
     private final Lazy<KeyguardUnlockAnimationController> mKeyguardUnlockAnimationControllerLazy;
+    private boolean mWallpaperSupportsAmbientMode;
 
     /**
      * Injected constructor. See {@link KeyguardModule}.
@@ -2089,13 +2090,14 @@ public class KeyguardViewMediator extends SystemUI implements Dumpable,
 
             int flags = 0;
             if (mKeyguardViewControllerLazy.get().shouldDisableWindowAnimationsForUnlock()
-                    || (mWakeAndUnlocking && !mPulsing)
-                    || isAnimatingBetweenKeyguardAndSurfaceBehindOrWillBe()) {
+                    || mWakeAndUnlocking && !mWallpaperSupportsAmbientMode) {
                 flags |= WindowManagerPolicyConstants
                         .KEYGUARD_GOING_AWAY_FLAG_NO_WINDOW_ANIMATIONS;
             }
             if (mKeyguardViewControllerLazy.get().isGoingToNotificationShade()
-                    || (mWakeAndUnlocking && mPulsing)) {
+                    || mWakeAndUnlocking && mWallpaperSupportsAmbientMode) {
+                // When the wallpaper supports ambient mode, the scrim isn't fully opaque during
+                // wake and unlock and we should fade in the app on top of the wallpaper
                 flags |= WindowManagerPolicyConstants.KEYGUARD_GOING_AWAY_FLAG_TO_SHADE;
             }
             if (mKeyguardViewControllerLazy.get().isUnlockWithWallpaper()) {
@@ -2784,6 +2786,15 @@ public class KeyguardViewMediator extends SystemUI implements Dumpable,
         mPulsing = pulsing;
     }
 
+    /**
+     * Set if the wallpaper supports ambient mode. This is used to trigger the right animation.
+     * In case it does support it, we have to fade in the incoming app, otherwise we'll reveal it
+     * with the light reveal scrim.
+     */
+    public void setWallpaperSupportsAmbientMode(boolean supportsAmbientMode) {
+        mWallpaperSupportsAmbientMode = supportsAmbientMode;
+    }
+
     private static class StartKeyguardExitAnimParams {
 
         @WindowManager.TransitionOldType int mTransit;
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBar.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBar.java
index 4705a362b669..90fc779c32cb 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBar.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBar.java
@@ -592,6 +592,7 @@ public class StatusBar extends SystemUI implements DemoMode,
 
             mNotificationShadeWindowController.setWallpaperSupportsAmbientMode(supportsAmbientMode);
             mScrimController.setWallpaperSupportsAmbientMode(supportsAmbientMode);
+            mKeyguardViewMediator.setWallpaperSupportsAmbientMode(supportsAmbientMode);
         }
     };
 
@@ -3913,7 +3914,8 @@ public class StatusBar extends SystemUI implements DemoMode,
     @Override
     public void onDozeAmountChanged(float linear, float eased) {
         if (mFeatureFlags.useNewLockscreenAnimations()
-                && !(mLightRevealScrim.getRevealEffect() instanceof CircleReveal)) {
+                && !(mLightRevealScrim.getRevealEffect() instanceof CircleReveal)
+                && !mBiometricUnlockController.isWakeAndUnlock()) {
             mLightRevealScrim.setRevealAmount(1f - linear);
         }
     }
diff --git a/packages/SystemUI/tests/src/com/android/systemui/biometrics/AuthRippleControllerTest.kt b/packages/SystemUI/tests/src/com/android/systemui/biometrics/AuthRippleControllerTest.kt
index 5c73077c0e69..f2f0029708ed 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/biometrics/AuthRippleControllerTest.kt
+++ b/packages/SystemUI/tests/src/com/android/systemui/biometrics/AuthRippleControllerTest.kt
@@ -19,17 +19,23 @@ package com.android.systemui.biometrics
 import android.graphics.PointF
 import android.hardware.biometrics.BiometricSourceType
 import android.testing.AndroidTestingRunner
+import android.testing.TestableLooper.RunWithLooper
 import androidx.test.filters.SmallTest
 import com.android.keyguard.KeyguardUpdateMonitor
 import com.android.keyguard.KeyguardUpdateMonitorCallback
 import com.android.systemui.SysuiTestCase
 import com.android.systemui.plugins.statusbar.StatusBarStateController
+import com.android.systemui.keyguard.WakefulnessLifecycle
+import com.android.systemui.statusbar.LightRevealScrim
 import com.android.systemui.statusbar.NotificationShadeWindowController
 import com.android.systemui.statusbar.commandline.CommandRegistry
 import com.android.systemui.statusbar.phone.BiometricUnlockController
 import com.android.systemui.statusbar.phone.KeyguardBypassController
 import com.android.systemui.statusbar.phone.StatusBar
 import com.android.systemui.statusbar.policy.ConfigurationController
+import com.android.systemui.statusbar.policy.KeyguardStateController
+import org.junit.Assert.assertFalse
+import org.junit.Assert.assertTrue
 import org.junit.Before
 import org.junit.Test
 import org.junit.runner.RunWith
@@ -55,12 +61,15 @@ class AuthRippleControllerTest : SysuiTestCase() {
     @Mock private lateinit var configurationController: ConfigurationController
     @Mock private lateinit var keyguardUpdateMonitor: KeyguardUpdateMonitor
     @Mock private lateinit var authController: AuthController
+    @Mock private lateinit var keyguardStateController: KeyguardStateController
+    @Mock private lateinit var wakefulnessLifecycle: WakefulnessLifecycle
     @Mock private lateinit var notificationShadeWindowController: NotificationShadeWindowController
     @Mock private lateinit var bypassController: KeyguardBypassController
     @Mock private lateinit var biometricUnlockController: BiometricUnlockController
     @Mock private lateinit var udfpsControllerProvider: Provider<UdfpsController>
     @Mock private lateinit var udfpsController: UdfpsController
     @Mock private lateinit var statusBarStateController: StatusBarStateController
+    @Mock private lateinit var lightRevealScrim: LightRevealScrim
 
     @Before
     fun setUp() {
@@ -73,6 +82,8 @@ class AuthRippleControllerTest : SysuiTestCase() {
             authController,
             configurationController,
             keyguardUpdateMonitor,
+            keyguardStateController,
+            wakefulnessLifecycle,
             commandRegistry,
             notificationShadeWindowController,
             bypassController,
@@ -82,6 +93,7 @@ class AuthRippleControllerTest : SysuiTestCase() {
             rippleView
         )
         controller.init()
+        `when`(statusBar.lightRevealScrim).thenReturn(lightRevealScrim)
     }
 
     @Test
@@ -103,7 +115,7 @@ class AuthRippleControllerTest : SysuiTestCase() {
 
         // THEN update sensor location and show ripple
         verify(rippleView).setSensorLocation(fpsLocation)
-        verify(rippleView).startUnlockedRipple(any(), any())
+        verify(rippleView).startUnlockedRipple(any())
     }
 
     @Test
@@ -124,7 +136,7 @@ class AuthRippleControllerTest : SysuiTestCase() {
             false /* isStrongBiometric */)
 
         // THEN no ripple
-        verify(rippleView, never()).startUnlockedRipple(any(), any())
+        verify(rippleView, never()).startUnlockedRipple(any())
     }
 
     @Test
@@ -145,7 +157,7 @@ class AuthRippleControllerTest : SysuiTestCase() {
             false /* isStrongBiometric */)
 
         // THEN no ripple
-        verify(rippleView, never()).startUnlockedRipple(any(), any())
+        verify(rippleView, never()).startUnlockedRipple(any())
     }
 
     @Test
@@ -169,7 +181,7 @@ class AuthRippleControllerTest : SysuiTestCase() {
 
         // THEN show ripple
         verify(rippleView).setSensorLocation(faceLocation)
-        verify(rippleView).startUnlockedRipple(any(), any())
+        verify(rippleView).startUnlockedRipple(any())
     }
 
     @Test
@@ -189,7 +201,7 @@ class AuthRippleControllerTest : SysuiTestCase() {
             false /* isStrongBiometric */)
 
         // THEN no ripple
-        verify(rippleView, never()).startUnlockedRipple(any(), any())
+        verify(rippleView, never()).startUnlockedRipple(any())
     }
 
     @Test
@@ -204,7 +216,7 @@ class AuthRippleControllerTest : SysuiTestCase() {
             0 /* userId */,
             BiometricSourceType.FACE /* type */,
             false /* isStrongBiometric */)
-        verify(rippleView, never()).startUnlockedRipple(any(), any())
+        verify(rippleView, never()).startUnlockedRipple(any())
     }
 
     @Test
@@ -219,7 +231,39 @@ class AuthRippleControllerTest : SysuiTestCase() {
             0 /* userId */,
             BiometricSourceType.FINGERPRINT /* type */,
             false /* isStrongBiometric */)
-        verify(rippleView, never()).startUnlockedRipple(any(), any())
+        verify(rippleView, never()).startUnlockedRipple(any())
+    }
+
+    @Test
+    fun registersAndDeregisters() {
+        controller.onViewAttached()
+        val captor = ArgumentCaptor
+            .forClass(KeyguardStateController.Callback::class.java)
+        verify(keyguardStateController).addCallback(captor.capture())
+        val captor2 = ArgumentCaptor
+            .forClass(WakefulnessLifecycle.Observer::class.java)
+        verify(wakefulnessLifecycle).addObserver(captor2.capture())
+        controller.onViewDetached()
+        verify(keyguardStateController).removeCallback(any())
+        verify(wakefulnessLifecycle).removeObserver(any())
+    }
+
+    @Test
+    @RunWithLooper(setAsMainLooper = true)
+    fun testAnimatorRunWhenWakeAndUnlock() {
+        val fpsLocation = PointF(5f, 5f)
+        `when`(authController.fingerprintSensorLocation).thenReturn(fpsLocation)
+        controller.onViewAttached()
+        `when`(keyguardUpdateMonitor.isKeyguardVisible).thenReturn(true)
+        `when`(biometricUnlockController.isWakeAndUnlock).thenReturn(true)
+
+        controller.showRipple(BiometricSourceType.FINGERPRINT)
+        assertTrue("reveal didn't start on keyguardFadingAway",
+            controller.startLightRevealScrimOnKeyguardFadingAway)
+        `when`(keyguardStateController.isKeyguardFadingAway).thenReturn(true)
+        controller.onKeyguardFadingAwayChanged()
+        assertFalse("reveal triggers multiple times",
+            controller.startLightRevealScrimOnKeyguardFadingAway)
     }
 
     @Test