Merge "Implement dream out overlay transition" into tm-qpr-dev

core/java/android/service/dreams/DreamOverlayService.java

@@ -49,6 +49,17 @@ public abstract class DreamOverlayService extends Service {
             mShowComplications = shouldShowComplications;
             onStartDream(layoutParams);
         }
+
+        @Override
+        public void wakeUp() {
+            onWakeUp(() -> {
+                try {
+                    mDreamOverlayCallback.onWakeUpComplete();
+                } catch (RemoteException e) {
+                    Log.e(TAG, "Could not notify dream of wakeUp:" + e);
+                }
+            });
+        }
     };
 
     IDreamOverlayCallback mDreamOverlayCallback;
@@ -70,6 +81,17 @@ public abstract class DreamOverlayService extends Service {
      */
     public abstract void onStartDream(@NonNull WindowManager.LayoutParams layoutParams);
 
+    /**
+     * This method is overridden by implementations to handle when the dream has been requested
+     * to wakeup. This allows any overlay animations to run.
+     *
+     * @param onCompleteCallback The callback to trigger to notify the dream service that the
+     *                           overlay has completed waking up.
+     * @hide
+     */
+    public void onWakeUp(@NonNull Runnable onCompleteCallback) {
+    }
+
     /**
      * This method is invoked to request the dream exit.
      */

core/java/android/service/dreams/DreamService.java

@@ -312,7 +312,14 @@ public class DreamService extends Service implements Window.Callback {
         @Override
         public void onExitRequested() {
             // Simply finish dream when exit is requested.
-            finish();
+            mHandler.post(() -> finish());
+        }
+
+        @Override
+        public void onWakeUpComplete() {
+            // Finish the dream once overlay animations are complete. Execute on handler since
+            // this is coming in on the overlay binder.
+            mHandler.post(() -> finish());
         }
     };
 
@@ -975,7 +982,18 @@ public class DreamService extends Service implements Window.Callback {
      * </p>
      */
     public void onWakeUp() {
-        finish();
+        if (mOverlayConnection != null) {
+            mOverlayConnection.addConsumer(overlay -> {
+                try {
+                    overlay.wakeUp();
+                } catch (RemoteException e) {
+                    Slog.e(TAG, "Error waking the overlay service", e);
+                    finish();
+                }
+            });
+        } else {
+            finish();
+        }
     }
 
     /** {@inheritDoc} */

core/java/android/service/dreams/IDreamOverlay.aidl

@@ -38,4 +38,7 @@ interface IDreamOverlay {
     */
     void startDream(in LayoutParams params, in IDreamOverlayCallback callback,
         in String dreamComponent, in boolean shouldShowComplications);
+
+    /** Called when the dream is waking, to do any exit animations */
+    void wakeUp();
 }

core/java/android/service/dreams/IDreamOverlayCallback.aidl

@@ -28,4 +28,7 @@ interface IDreamOverlayCallback {
     * Invoked to request the dream exit.
     */
     void onExitRequested();
+
+    /** Invoked when the dream overlay wakeUp animation is complete. */
+    void onWakeUpComplete();
 }

core/res/res/values/config.xml

@@ -2485,7 +2485,7 @@
     <!-- The duration in milliseconds of the dream opening animation.  -->
     <integer name="config_dreamOpenAnimationDuration">250</integer>
     <!-- The duration in milliseconds of the dream closing animation.  -->
-    <integer name="config_dreamCloseAnimationDuration">100</integer>
+    <integer name="config_dreamCloseAnimationDuration">300</integer>
 
     <!-- Whether to dismiss the active dream when an activity is started. Doesn't apply to
          assistant activities (ACTIVITY_TYPE_ASSISTANT) -->

packages/SystemUI/res/values/config.xml

@@ -743,12 +743,35 @@
     <!-- How long in milliseconds before full burn-in protection is achieved. -->
     <integer name="config_dreamOverlayMillisUntilFullJitter">240000</integer>
 
+    <!-- The duration in milliseconds of the y-translation animation when waking up from
+         the dream -->
+    <integer name="config_dreamOverlayOutTranslationYDurationMs">333</integer>
+    <!-- The delay in milliseconds of the y-translation animation when waking up from
+         the dream for the complications at the bottom of the screen -->
+    <integer name="config_dreamOverlayOutTranslationYDelayBottomMs">33</integer>
+    <!-- The delay in milliseconds of the y-translation animation when waking up from
+         the dream for the complications at the top of the screen -->
+    <integer name="config_dreamOverlayOutTranslationYDelayTopMs">117</integer>
+    <!-- The duration in milliseconds of the alpha animation when waking up from the dream -->
+    <integer name="config_dreamOverlayOutAlphaDurationMs">200</integer>
+    <!-- The delay in milliseconds of the alpha animation when waking up from the dream for the
+         complications at the top of the screen -->
+    <integer name="config_dreamOverlayOutAlphaDelayTopMs">217</integer>
+    <!-- The delay in milliseconds of the alpha animation when waking up from the dream for the
+         complications at the bottom of the screen -->
+    <integer name="config_dreamOverlayOutAlphaDelayBottomMs">133</integer>
+    <!-- The duration in milliseconds of the blur animation when waking up from
+         the dream -->
+    <integer name="config_dreamOverlayOutBlurDurationMs">250</integer>
+
     <integer name="complicationFadeOutMs">500</integer>
 
     <integer name="complicationFadeInMs">500</integer>
 
     <integer name="complicationRestoreMs">1000</integer>
 
+    <integer name="complicationFadeOutDelayMs">200</integer>
+
     <!-- Duration in milliseconds of the dream in un-blur animation. -->
     <integer name="config_dreamOverlayInBlurDurationMs">249</integer>
     <!-- Delay in milliseconds of the dream in un-blur animation. -->
@@ -780,27 +803,6 @@
         <item>com.android.systemui</item>
     </string-array>
 
-    <!-- The thresholds which determine the color used by the AQI dream overlay.
-         NOTE: This must always be kept sorted from low to high -->
-    <integer-array name="config_dreamAqiThresholds">
-        <item>-1</item>
-        <item>50</item>
-        <item>100</item>
-        <item>150</item>
-        <item>200</item>
-        <item>300</item>
-    </integer-array>
-
-    <!-- The color values which correspond to the thresholds above -->
-    <integer-array name="config_dreamAqiColorValues">
-        <item>@color/dream_overlay_aqi_good</item>
-        <item>@color/dream_overlay_aqi_moderate</item>
-        <item>@color/dream_overlay_aqi_unhealthy_sensitive</item>
-        <item>@color/dream_overlay_aqi_unhealthy</item>
-        <item>@color/dream_overlay_aqi_very_unhealthy</item>
-        <item>@color/dream_overlay_aqi_hazardous</item>
-    </integer-array>
-
     <!-- Whether the device should display hotspot UI. If true, UI will display only when tethering
          is available. If false, UI will never show regardless of tethering availability" -->
     <bool name="config_show_wifi_tethering">true</bool>

packages/SystemUI/res/values/dimens.xml

@@ -1534,6 +1534,7 @@
     <dimen name="dream_overlay_complication_margin">0dp</dimen>
 
     <dimen name="dream_overlay_y_offset">80dp</dimen>
+    <dimen name="dream_overlay_exit_y_offset">40dp</dimen>
 
     <dimen name="dream_aqi_badge_corner_radius">28dp</dimen>
     <dimen name="dream_aqi_badge_padding_vertical">6dp</dimen>

packages/SystemUI/src/com/android/systemui/dreams/DreamOverlayAnimationsController.kt

@@ -17,17 +17,19 @@
 package com.android.systemui.dreams
 
 import android.animation.Animator
-import android.animation.AnimatorListenerAdapter
 import android.animation.AnimatorSet
 import android.animation.ValueAnimator
 import android.view.View
+import android.view.animation.Interpolator
+import androidx.annotation.FloatRange
 import androidx.core.animation.doOnEnd
 import com.android.systemui.animation.Interpolators
 import com.android.systemui.dreams.complication.ComplicationHostViewController
 import com.android.systemui.dreams.complication.ComplicationLayoutParams
+import com.android.systemui.dreams.complication.ComplicationLayoutParams.Position
 import com.android.systemui.dreams.dagger.DreamOverlayModule
 import com.android.systemui.statusbar.BlurUtils
-import java.util.function.Consumer
+import com.android.systemui.statusbar.CrossFadeHelper
 import javax.inject.Inject
 import javax.inject.Named
 
@@ -40,108 +42,239 @@ constructor(
     private val mStatusBarViewController: DreamOverlayStatusBarViewController,
     private val mOverlayStateController: DreamOverlayStateController,
     @Named(DreamOverlayModule.DREAM_IN_BLUR_ANIMATION_DURATION)
-    private val mDreamInBlurAnimDuration: Int,
+    private val mDreamInBlurAnimDurationMs: Long,
-    @Named(DreamOverlayModule.DREAM_IN_BLUR_ANIMATION_DELAY) private val mDreamInBlurAnimDelay: Int,
+    @Named(DreamOverlayModule.DREAM_IN_BLUR_ANIMATION_DELAY)
+    private val mDreamInBlurAnimDelayMs: Long,
     @Named(DreamOverlayModule.DREAM_IN_COMPLICATIONS_ANIMATION_DURATION)
-    private val mDreamInComplicationsAnimDuration: Int,
+    private val mDreamInComplicationsAnimDurationMs: Long,
     @Named(DreamOverlayModule.DREAM_IN_TOP_COMPLICATIONS_ANIMATION_DELAY)
-    private val mDreamInTopComplicationsAnimDelay: Int,
+    private val mDreamInTopComplicationsAnimDelayMs: Long,
     @Named(DreamOverlayModule.DREAM_IN_BOTTOM_COMPLICATIONS_ANIMATION_DELAY)
-    private val mDreamInBottomComplicationsAnimDelay: Int
+    private val mDreamInBottomComplicationsAnimDelayMs: Long,
+    @Named(DreamOverlayModule.DREAM_OUT_TRANSLATION_Y_DISTANCE)
+    private val mDreamOutTranslationYDistance: Int,
+    @Named(DreamOverlayModule.DREAM_OUT_TRANSLATION_Y_DURATION)
+    private val mDreamOutTranslationYDurationMs: Long,
+    @Named(DreamOverlayModule.DREAM_OUT_TRANSLATION_Y_DELAY_BOTTOM)
+    private val mDreamOutTranslationYDelayBottomMs: Long,
+    @Named(DreamOverlayModule.DREAM_OUT_TRANSLATION_Y_DELAY_TOP)
+    private val mDreamOutTranslationYDelayTopMs: Long,
+    @Named(DreamOverlayModule.DREAM_OUT_ALPHA_DURATION) private val mDreamOutAlphaDurationMs: Long,
+    @Named(DreamOverlayModule.DREAM_OUT_ALPHA_DELAY_BOTTOM)
+    private val mDreamOutAlphaDelayBottomMs: Long,
+    @Named(DreamOverlayModule.DREAM_OUT_ALPHA_DELAY_TOP) private val mDreamOutAlphaDelayTopMs: Long,
+    @Named(DreamOverlayModule.DREAM_OUT_BLUR_DURATION) private val mDreamOutBlurDurationMs: Long
 ) {
 
-    var mEntryAnimations: AnimatorSet? = null
+    private var mAnimator: Animator? = null
+
+    /**
+     * Store the current alphas at the various positions. This is so that we may resume an animation
+     * at the current alpha.
+     */
+    private var mCurrentAlphaAtPosition = mutableMapOf<Int, Float>()
+
+    @FloatRange(from = 0.0, to = 1.0) private var mBlurProgress: Float = 0f
 
     /** Starts the dream content and dream overlay entry animations. */
-    fun startEntryAnimations(view: View) {
+    @JvmOverloads
-        cancelRunningEntryAnimations()
+    fun startEntryAnimations(view: View, animatorBuilder: () -> AnimatorSet = { AnimatorSet() }) {
+        cancelAnimations()
 
-        mEntryAnimations = AnimatorSet()
+        mAnimator =
-        mEntryAnimations?.apply {
+            animatorBuilder().apply {
-            playTogether(
+                playTogether(
-                buildDreamInBlurAnimator(view),
+                    blurAnimator(
-                buildDreamInTopComplicationsAnimator(),
+                        view = view,
-                buildDreamInBottomComplicationsAnimator()
+                        from = 1f,
-            )
+                        to = 0f,
-            doOnEnd { mOverlayStateController.setEntryAnimationsFinished(true) }
+                        durationMs = mDreamInBlurAnimDurationMs,
-            start()
+                        delayMs = mDreamInBlurAnimDelayMs
-        }
+                    ),
+                    alphaAnimator(
+                        from = 0f,
+                        to = 1f,
+                        durationMs = mDreamInComplicationsAnimDurationMs,
+                        delayMs = mDreamInTopComplicationsAnimDelayMs,
+                        position = ComplicationLayoutParams.POSITION_TOP
+                    ),
+                    alphaAnimator(
+                        from = 0f,
+                        to = 1f,
+                        durationMs = mDreamInComplicationsAnimDurationMs,
+                        delayMs = mDreamInBottomComplicationsAnimDelayMs,
+                        position = ComplicationLayoutParams.POSITION_BOTTOM
+                    )
+                )
+                doOnEnd {
+                    mAnimator = null
+                    mOverlayStateController.setEntryAnimationsFinished(true)
+                }
+                start()
+            }
+    }
+
+    /** Starts the dream content and dream overlay exit animations. */
+    @JvmOverloads
+    fun startExitAnimations(
+        view: View,
+        doneCallback: () -> Unit,
+        animatorBuilder: () -> AnimatorSet = { AnimatorSet() }
+    ) {
+        cancelAnimations()
+
+        mAnimator =
+            animatorBuilder().apply {
+                playTogether(
+                    blurAnimator(
+                        view = view,
+                        // Start the blurring wherever the entry animation ended, in
+                        // case it was cancelled early.
+                        from = mBlurProgress,
+                        to = 1f,
+                        durationMs = mDreamOutBlurDurationMs
+                    ),
+                    translationYAnimator(
+                        from = 0f,
+                        to = mDreamOutTranslationYDistance.toFloat(),
+                        durationMs = mDreamOutTranslationYDurationMs,
+                        delayMs = mDreamOutTranslationYDelayBottomMs,
+                        position = ComplicationLayoutParams.POSITION_BOTTOM,
+                        animInterpolator = Interpolators.EMPHASIZED_ACCELERATE
+                    ),
+                    translationYAnimator(
+                        from = 0f,
+                        to = mDreamOutTranslationYDistance.toFloat(),
+                        durationMs = mDreamOutTranslationYDurationMs,
+                        delayMs = mDreamOutTranslationYDelayTopMs,
+                        position = ComplicationLayoutParams.POSITION_TOP,
+                        animInterpolator = Interpolators.EMPHASIZED_ACCELERATE
+                    ),
+                    alphaAnimator(
+                        from =
+                            mCurrentAlphaAtPosition.getOrDefault(
+                                key = ComplicationLayoutParams.POSITION_BOTTOM,
+                                defaultValue = 1f
+                            ),
+                        to = 0f,
+                        durationMs = mDreamOutAlphaDurationMs,
+                        delayMs = mDreamOutAlphaDelayBottomMs,
+                        position = ComplicationLayoutParams.POSITION_BOTTOM
+                    ),
+                    alphaAnimator(
+                        from =
+                            mCurrentAlphaAtPosition.getOrDefault(
+                                key = ComplicationLayoutParams.POSITION_TOP,
+                                defaultValue = 1f
+                            ),
+                        to = 0f,
+                        durationMs = mDreamOutAlphaDurationMs,
+                        delayMs = mDreamOutAlphaDelayTopMs,
+                        position = ComplicationLayoutParams.POSITION_TOP
+                    )
+                )
+                doOnEnd {
+                    mAnimator = null
+                    mOverlayStateController.setExitAnimationsRunning(false)
+                    doneCallback()
+                }
+                start()
+            }
+        mOverlayStateController.setExitAnimationsRunning(true)
     }
 
     /** Cancels the dream content and dream overlay animations, if they're currently running. */
-    fun cancelRunningEntryAnimations() {
+    fun cancelAnimations() {
-        if (mEntryAnimations?.isRunning == true) {
+        mAnimator =
-            mEntryAnimations?.cancel()
+            mAnimator?.let {
-        }
+                it.cancel()
-        mEntryAnimations = null
+                null
+            }
     }
 
-    private fun buildDreamInBlurAnimator(view: View): Animator {
+    private fun blurAnimator(
-        return ValueAnimator.ofFloat(1f, 0f).apply {
+        view: View,
-            duration = mDreamInBlurAnimDuration.toLong()
+        from: Float,
-            startDelay = mDreamInBlurAnimDelay.toLong()
+        to: Float,
+        durationMs: Long,
+        delayMs: Long = 0
+    ): Animator {
+        return ValueAnimator.ofFloat(from, to).apply {
+            duration = durationMs
+            startDelay = delayMs
             interpolator = Interpolators.LINEAR
             addUpdateListener { animator: ValueAnimator ->
+                mBlurProgress = animator.animatedValue as Float
                 mBlurUtils.applyBlur(
-                    view.viewRootImpl,
+                    viewRootImpl = view.viewRootImpl,
-                    mBlurUtils.blurRadiusOfRatio(animator.animatedValue as Float).toInt(),
+                    radius = mBlurUtils.blurRadiusOfRatio(mBlurProgress).toInt(),
-                    false /*opaque*/
+                    opaque = false
                 )
             }
         }
     }
 
-    private fun buildDreamInTopComplicationsAnimator(): Animator {
+    private fun alphaAnimator(
-        return ValueAnimator.ofFloat(0f, 1f).apply {
+        from: Float,
-            duration = mDreamInComplicationsAnimDuration.toLong()
+        to: Float,
-            startDelay = mDreamInTopComplicationsAnimDelay.toLong()
+        durationMs: Long,
+        delayMs: Long,
+        @Position position: Int
+    ): Animator {
+        return ValueAnimator.ofFloat(from, to).apply {
+            duration = durationMs
+            startDelay = delayMs
             interpolator = Interpolators.LINEAR
             addUpdateListener { va: ValueAnimator ->
-                setTopElementsAlpha(va.animatedValue as Float)
+                setElementsAlphaAtPosition(
+                    alpha = va.animatedValue as Float,
+                    position = position,
+                    fadingOut = to < from
+                )
             }
         }
     }
 
-    private fun buildDreamInBottomComplicationsAnimator(): Animator {
+    private fun translationYAnimator(
-        return ValueAnimator.ofFloat(0f, 1f).apply {
+        from: Float,
-            duration = mDreamInComplicationsAnimDuration.toLong()
+        to: Float,
-            startDelay = mDreamInBottomComplicationsAnimDelay.toLong()
+        durationMs: Long,
-            interpolator = Interpolators.LINEAR
+        delayMs: Long,
+        @Position position: Int,
+        animInterpolator: Interpolator
+    ): Animator {
+        return ValueAnimator.ofFloat(from, to).apply {
+            duration = durationMs
+            startDelay = delayMs
+            interpolator = animInterpolator
             addUpdateListener { va: ValueAnimator ->
-                setBottomElementsAlpha(va.animatedValue as Float)
+                setElementsTranslationYAtPosition(va.animatedValue as Float, position)
             }
-            addListener(
-                object : AnimatorListenerAdapter() {
-                    override fun onAnimationStart(animation: Animator) {
-                        mComplicationHostViewController
-                            .getViewsAtPosition(ComplicationLayoutParams.POSITION_BOTTOM)
-                            .forEach(Consumer { v: View -> v.visibility = View.VISIBLE })
-                    }
-                }
-            )
         }
     }
 
-    /** Sets alpha of top complications and the status bar. */
+    /** Sets alpha of complications at the specified position. */
-    private fun setTopElementsAlpha(alpha: Float) {
+    private fun setElementsAlphaAtPosition(alpha: Float, position: Int, fadingOut: Boolean) {
-        mComplicationHostViewController
+        mCurrentAlphaAtPosition[position] = alpha
-            .getViewsAtPosition(ComplicationLayoutParams.POSITION_TOP)
+        mComplicationHostViewController.getViewsAtPosition(position).forEach { view ->
-            .forEach(Consumer { v: View -> setAlphaAndEnsureVisible(v, alpha) })
+            if (fadingOut) {
-        mStatusBarViewController.setAlpha(alpha)
+                CrossFadeHelper.fadeOut(view, 1 - alpha, /* remap= */ false)
-    }
+            } else {
-
+                CrossFadeHelper.fadeIn(view, alpha, /* remap= */ false)
-    /** Sets alpha of bottom complications. */
+            }
-    private fun setBottomElementsAlpha(alpha: Float) {
-        mComplicationHostViewController
-            .getViewsAtPosition(ComplicationLayoutParams.POSITION_BOTTOM)
-            .forEach(Consumer { v: View -> setAlphaAndEnsureVisible(v, alpha) })
-    }
-
-    private fun setAlphaAndEnsureVisible(view: View, alpha: Float) {
-        if (alpha > 0 && view.visibility != View.VISIBLE) {
-            view.visibility = View.VISIBLE
         }
+        if (position == ComplicationLayoutParams.POSITION_TOP) {
+            mStatusBarViewController.setFadeAmount(alpha, fadingOut)
+        }
+    }
 
-        view.alpha = alpha
+    /** Sets y translation of complications at the specified position. */
+    private fun setElementsTranslationYAtPosition(translationY: Float, position: Int) {
+        mComplicationHostViewController.getViewsAtPosition(position).forEach { v ->
+            v.translationY = translationY
+        }
+        if (position == ComplicationLayoutParams.POSITION_TOP) {
+            mStatusBarViewController.setTranslationY(translationY)
+        }
     }
 }

packages/SystemUI/src/com/android/systemui/dreams/DreamOverlayContainerViewController.java

@@ -29,6 +29,8 @@ import android.util.MathUtils;
 import android.view.View;
 import android.view.ViewGroup;
 
+import androidx.annotation.NonNull;
+
 import com.android.systemui.R;
 import com.android.systemui.animation.Interpolators;
 import com.android.systemui.dagger.qualifiers.Main;
@@ -42,6 +44,7 @@ import com.android.systemui.statusbar.phone.StatusBarKeyguardViewManager;
 import com.android.systemui.util.ViewController;
 
 import java.util.Arrays;
+import java.util.concurrent.Executor;
 
 import javax.inject.Inject;
 import javax.inject.Named;
@@ -194,7 +197,7 @@ public class DreamOverlayContainerViewController extends ViewController<DreamOve
         }
         mPrimaryBouncerCallbackInteractor.removeBouncerExpansionCallback(mBouncerExpansionCallback);
 
-        mDreamOverlayAnimationsController.cancelRunningEntryAnimations();
+        mDreamOverlayAnimationsController.cancelAnimations();
     }
 
     View getContainerView() {
@@ -251,4 +254,17 @@ public class DreamOverlayContainerViewController extends ViewController<DreamOve
                         : aboutToShowBouncerProgress(expansion + 0.03f));
         return MathUtils.lerp(-mDreamOverlayMaxTranslationY, 0, fraction);
     }
+
+    /**
+     * Handle the dream waking up and run any necessary animations.
+     *
+     * @param onAnimationEnd Callback to trigger once animations are finished.
+     * @param callbackExecutor Executor to execute the callback on.
+     */
+    public void wakeUp(@NonNull Runnable onAnimationEnd, @NonNull Executor callbackExecutor) {
+        mDreamOverlayAnimationsController.startExitAnimations(mView, () -> {
+            callbackExecutor.execute(onAnimationEnd);
+            return null;
+        });
+    }
 }

packages/SystemUI/src/com/android/systemui/dreams/DreamOverlayService.java

@@ -213,6 +213,15 @@ public class DreamOverlayService extends android.service.dreams.DreamOverlayServ
         mLifecycleRegistry.setCurrentState(state);
     }
 
+    @Override
+    public void onWakeUp(@NonNull Runnable onCompletedCallback) {
+        mExecutor.execute(() -> {
+            if (mDreamOverlayContainerViewController != null) {
+                mDreamOverlayContainerViewController.wakeUp(onCompletedCallback, mExecutor);
+            }
+        });
+    }
+
     /**
      * Inserts {@link Window} to host the dream overlay into the dream's parent window. Must be
      * called from the main executing thread. The window attributes closely mirror those that are

packages/SystemUI/src/com/android/systemui/dreams/DreamOverlayStateController.java

@@ -52,6 +52,7 @@ public class DreamOverlayStateController implements
     public static final int STATE_DREAM_OVERLAY_ACTIVE = 1 << 0;
     public static final int STATE_LOW_LIGHT_ACTIVE = 1 << 1;
     public static final int STATE_DREAM_ENTRY_ANIMATIONS_FINISHED = 1 << 2;
+    public static final int STATE_DREAM_EXIT_ANIMATIONS_RUNNING = 1 << 3;
 
     private static final int OP_CLEAR_STATE = 1;
     private static final int OP_SET_STATE = 2;
@@ -211,6 +212,14 @@ public class DreamOverlayStateController implements
         return containsState(STATE_DREAM_ENTRY_ANIMATIONS_FINISHED);
     }
 
+    /**
+     * Returns whether the dream content and dream overlay exit animations are running.
+     * @return {@code true} if animations are running, {@code false} otherwise.
+     */
+    public boolean areExitAnimationsRunning() {
+        return containsState(STATE_DREAM_EXIT_ANIMATIONS_RUNNING);
+    }
+
     private boolean containsState(int state) {
         return (mState & state) != 0;
     }
@@ -256,6 +265,15 @@ public class DreamOverlayStateController implements
                 STATE_DREAM_ENTRY_ANIMATIONS_FINISHED);
     }
 
+    /**
+     * Sets whether dream content and dream overlay exit animations are running.
+     * @param running {@code true} if exit animations are running, {@code false} otherwise.
+     */
+    public void setExitAnimationsRunning(boolean running) {
+        modifyState(running ? OP_SET_STATE : OP_CLEAR_STATE,
+                STATE_DREAM_EXIT_ANIMATIONS_RUNNING);
+    }
+
     /**
      * Returns the available complication types.
      */

packages/SystemUI/src/com/android/systemui/dreams/DreamOverlayStatusBarViewController.java

@@ -37,6 +37,7 @@ import com.android.systemui.R;
 import com.android.systemui.dagger.qualifiers.Main;
 import com.android.systemui.dreams.DreamOverlayStatusBarItemsProvider.StatusBarItem;
 import com.android.systemui.dreams.dagger.DreamOverlayComponent;
+import com.android.systemui.statusbar.CrossFadeHelper;
 import com.android.systemui.statusbar.policy.IndividualSensorPrivacyController;
 import com.android.systemui.statusbar.policy.NextAlarmController;
 import com.android.systemui.statusbar.policy.ZenModeController;
@@ -217,18 +218,29 @@ public class DreamOverlayStatusBarViewController extends ViewController<DreamOve
     }
 
     /**
-     * Sets alpha of the dream overlay status bar.
+     * Sets fade of the dream overlay status bar.
      *
      * No-op if the dream overlay status bar should not be shown.
      */
-    protected void setAlpha(float alpha) {
+    protected void setFadeAmount(float fadeAmount, boolean fadingOut) {
         updateVisibility();
 
         if (mView.getVisibility() != View.VISIBLE) {
             return;
         }
 
-        mView.setAlpha(alpha);
+        if (fadingOut) {
+            CrossFadeHelper.fadeOut(mView, 1 - fadeAmount, /* remap= */ false);
+        } else {
+            CrossFadeHelper.fadeIn(mView, fadeAmount, /* remap= */ false);
+        }
+    }
+
+    /**
+     * Sets the y translation of the dream overlay status bar.
+     */
+    public void setTranslationY(float translationY) {
+        mView.setTranslationY(translationY);
     }
 
     private boolean shouldShowStatusBar() {

packages/SystemUI/src/com/android/systemui/dreams/complication/Complication.java

@@ -197,11 +197,11 @@ public interface Complication {
      */
     interface VisibilityController {
         /**
-         * Called to set the visibility of all shown and future complications.
+         * Called to set the visibility of all shown and future complications. Changes in visibility
+         * will always be animated.
          * @param visibility The desired future visibility.
-         * @param animate whether the change should be animated.
          */
-        void setVisibility(@View.Visibility int visibility, boolean animate);
+        void setVisibility(@View.Visibility int visibility);
     }
 
     /**

packages/SystemUI/src/com/android/systemui/dreams/complication/ComplicationLayoutEngine.java

@@ -21,12 +21,9 @@ import static com.android.systemui.dreams.complication.dagger.ComplicationHostVi
 import static com.android.systemui.dreams.complication.dagger.ComplicationHostViewModule.COMPLICATION_MARGIN_DEFAULT;
 import static com.android.systemui.dreams.complication.dagger.ComplicationHostViewModule.SCOPED_COMPLICATIONS_LAYOUT;
 
-import android.animation.Animator;
-import android.animation.AnimatorListenerAdapter;
 import android.util.Log;
 import android.view.View;
 import android.view.ViewGroup;
-import android.view.ViewPropertyAnimator;
 
 import androidx.constraintlayout.widget.ConstraintLayout;
 import androidx.constraintlayout.widget.Constraints;
@@ -34,6 +31,7 @@ import androidx.constraintlayout.widget.Constraints;
 import com.android.systemui.R;
 import com.android.systemui.dreams.complication.ComplicationLayoutParams.Position;
 import com.android.systemui.dreams.dagger.DreamOverlayComponent;
+import com.android.systemui.statusbar.CrossFadeHelper;
 import com.android.systemui.touch.TouchInsetManager;
 
 import java.util.ArrayList;
@@ -481,7 +479,6 @@ public class ComplicationLayoutEngine implements Complication.VisibilityControll
     private final TouchInsetManager.TouchInsetSession mSession;
     private final int mFadeInDuration;
     private final int mFadeOutDuration;
-    private ViewPropertyAnimator mViewPropertyAnimator;
 
     /** */
     @Inject
@@ -498,26 +495,16 @@ public class ComplicationLayoutEngine implements Complication.VisibilityControll
     }
 
     @Override
-    public void setVisibility(int visibility, boolean animate) {
+    public void setVisibility(int visibility) {
-        final boolean appearing = visibility == View.VISIBLE;
+        if (visibility == View.VISIBLE) {
-
+            CrossFadeHelper.fadeIn(mLayout, mFadeInDuration, /* delay= */ 0);
-        if (mViewPropertyAnimator != null) {
+        } else {
-            mViewPropertyAnimator.cancel();
+            CrossFadeHelper.fadeOut(
+                    mLayout,
+                    mFadeOutDuration,
+                    /* delay= */ 0,
+                    /* endRunnable= */ null);
         }
-
-        if (appearing) {
-            mLayout.setVisibility(View.VISIBLE);
-        }
-
-        mViewPropertyAnimator = mLayout.animate()
-                .alpha(appearing ? 1f : 0f)
-                .setDuration(appearing ? mFadeInDuration : mFadeOutDuration)
-                .setListener(new AnimatorListenerAdapter() {
-                    @Override
-                    public void onAnimationEnd(Animator animation) {
-                        mLayout.setVisibility(visibility);
-                    }
-                });
     }
 
     /**

packages/SystemUI/src/com/android/systemui/dreams/complication/ComplicationLayoutParams.java

@@ -38,7 +38,7 @@ public class ComplicationLayoutParams extends ViewGroup.LayoutParams {
             POSITION_START,
     })
 
-    @interface Position {}
+    public @interface Position {}
     /** Align view with the top of parent or bottom of preceding {@link Complication}. */
     public static final int POSITION_TOP = 1 << 0;
     /** Align view with the bottom of parent or top of preceding {@link Complication}. */

packages/SystemUI/src/com/android/systemui/dreams/complication/dagger/ComplicationHostViewModule.java

@@ -41,6 +41,7 @@ public abstract class ComplicationHostViewModule {
     public static final String COMPLICATIONS_FADE_OUT_DURATION = "complications_fade_out_duration";
     public static final String COMPLICATIONS_FADE_IN_DURATION = "complications_fade_in_duration";
     public static final String COMPLICATIONS_RESTORE_TIMEOUT = "complication_restore_timeout";
+    public static final String COMPLICATIONS_FADE_OUT_DELAY = "complication_fade_out_delay";
 
     /**
      * Generates a {@link ConstraintLayout}, which can host
@@ -74,6 +75,16 @@ public abstract class ComplicationHostViewModule {
         return resources.getInteger(R.integer.complicationFadeOutMs);
     }
 
+    /**
+     * Provides the delay to wait for before fading out complications.
+     */
+    @Provides
+    @Named(COMPLICATIONS_FADE_OUT_DELAY)
+    @DreamOverlayComponent.DreamOverlayScope
+    static int providesComplicationsFadeOutDelay(@Main Resources resources) {
+        return resources.getInteger(R.integer.complicationFadeOutDelayMs);
+    }
+
     /**
      * Provides the fade in duration for complications.
      */

packages/SystemUI/src/com/android/systemui/dreams/dagger/DreamOverlayModule.java

@@ -55,6 +55,22 @@ public abstract class DreamOverlayModule {
             "dream_in_top_complications_anim_delay";
     public static final String DREAM_IN_BOTTOM_COMPLICATIONS_ANIMATION_DELAY =
             "dream_in_bottom_complications_anim_delay";
+    public static final String DREAM_OUT_TRANSLATION_Y_DISTANCE =
+            "dream_out_complications_translation_y";
+    public static final String DREAM_OUT_TRANSLATION_Y_DURATION =
+            "dream_out_complications_translation_y_duration";
+    public static final String DREAM_OUT_TRANSLATION_Y_DELAY_BOTTOM =
+            "dream_out_complications_translation_y_delay_bottom";
+    public static final String DREAM_OUT_TRANSLATION_Y_DELAY_TOP =
+            "dream_out_complications_translation_y_delay_top";
+    public static final String DREAM_OUT_ALPHA_DURATION =
+            "dream_out_complications_alpha_duration";
+    public static final String DREAM_OUT_ALPHA_DELAY_BOTTOM =
+            "dream_out_complications_alpha_delay_bottom";
+    public static final String DREAM_OUT_ALPHA_DELAY_TOP =
+            "dream_out_complications_alpha_delay_top";
+    public static final String DREAM_OUT_BLUR_DURATION =
+            "dream_out_blur_duration";
 
     /** */
     @Provides
@@ -127,8 +143,8 @@ public abstract class DreamOverlayModule {
      */
     @Provides
     @Named(DREAM_IN_BLUR_ANIMATION_DURATION)
-    static int providesDreamInBlurAnimationDuration(@Main Resources resources) {
+    static long providesDreamInBlurAnimationDuration(@Main Resources resources) {
-        return resources.getInteger(R.integer.config_dreamOverlayInBlurDurationMs);
+        return (long) resources.getInteger(R.integer.config_dreamOverlayInBlurDurationMs);
     }
 
     /**
@@ -136,8 +152,8 @@ public abstract class DreamOverlayModule {
      */
     @Provides
     @Named(DREAM_IN_BLUR_ANIMATION_DELAY)
-    static int providesDreamInBlurAnimationDelay(@Main Resources resources) {
+    static long providesDreamInBlurAnimationDelay(@Main Resources resources) {
-        return resources.getInteger(R.integer.config_dreamOverlayInBlurDelayMs);
+        return (long) resources.getInteger(R.integer.config_dreamOverlayInBlurDelayMs);
     }
 
     /**
@@ -145,8 +161,8 @@ public abstract class DreamOverlayModule {
      */
     @Provides
     @Named(DREAM_IN_COMPLICATIONS_ANIMATION_DURATION)
-    static int providesDreamInComplicationsAnimationDuration(@Main Resources resources) {
+    static long providesDreamInComplicationsAnimationDuration(@Main Resources resources) {
-        return resources.getInteger(R.integer.config_dreamOverlayInComplicationsDurationMs);
+        return (long) resources.getInteger(R.integer.config_dreamOverlayInComplicationsDurationMs);
     }
 
     /**
@@ -154,8 +170,8 @@ public abstract class DreamOverlayModule {
      */
     @Provides
     @Named(DREAM_IN_TOP_COMPLICATIONS_ANIMATION_DELAY)
-    static int providesDreamInTopComplicationsAnimationDelay(@Main Resources resources) {
+    static long providesDreamInTopComplicationsAnimationDelay(@Main Resources resources) {
-        return resources.getInteger(R.integer.config_dreamOverlayInTopComplicationsDelayMs);
+        return (long) resources.getInteger(R.integer.config_dreamOverlayInTopComplicationsDelayMs);
     }
 
     /**
@@ -163,8 +179,69 @@ public abstract class DreamOverlayModule {
      */
     @Provides
     @Named(DREAM_IN_BOTTOM_COMPLICATIONS_ANIMATION_DELAY)
-    static int providesDreamInBottomComplicationsAnimationDelay(@Main Resources resources) {
+    static long providesDreamInBottomComplicationsAnimationDelay(@Main Resources resources) {
-        return resources.getInteger(R.integer.config_dreamOverlayInBottomComplicationsDelayMs);
+        return (long) resources.getInteger(
+                R.integer.config_dreamOverlayInBottomComplicationsDelayMs);
+    }
+
+    /**
+     * Provides the number of pixels to translate complications when waking up from dream.
+     */
+    @Provides
+    @Named(DREAM_OUT_TRANSLATION_Y_DISTANCE)
+    @DreamOverlayComponent.DreamOverlayScope
+    static int providesDreamOutComplicationsTranslationY(@Main Resources resources) {
+        return resources.getDimensionPixelSize(R.dimen.dream_overlay_exit_y_offset);
+    }
+
+    @Provides
+    @Named(DREAM_OUT_TRANSLATION_Y_DURATION)
+    @DreamOverlayComponent.DreamOverlayScope
+    static long providesDreamOutComplicationsTranslationYDuration(@Main Resources resources) {
+        return (long) resources.getInteger(R.integer.config_dreamOverlayOutTranslationYDurationMs);
+    }
+
+    @Provides
+    @Named(DREAM_OUT_TRANSLATION_Y_DELAY_BOTTOM)
+    @DreamOverlayComponent.DreamOverlayScope
+    static long providesDreamOutComplicationsTranslationYDelayBottom(@Main Resources resources) {
+        return (long) resources.getInteger(
+                R.integer.config_dreamOverlayOutTranslationYDelayBottomMs);
+    }
+
+    @Provides
+    @Named(DREAM_OUT_TRANSLATION_Y_DELAY_TOP)
+    @DreamOverlayComponent.DreamOverlayScope
+    static long providesDreamOutComplicationsTranslationYDelayTop(@Main Resources resources) {
+        return (long) resources.getInteger(R.integer.config_dreamOverlayOutTranslationYDelayTopMs);
+    }
+
+    @Provides
+    @Named(DREAM_OUT_ALPHA_DURATION)
+    @DreamOverlayComponent.DreamOverlayScope
+    static long providesDreamOutComplicationsAlphaDuration(@Main Resources resources) {
+        return (long) resources.getInteger(R.integer.config_dreamOverlayOutAlphaDurationMs);
+    }
+
+    @Provides
+    @Named(DREAM_OUT_ALPHA_DELAY_BOTTOM)
+    @DreamOverlayComponent.DreamOverlayScope
+    static long providesDreamOutComplicationsAlphaDelayBottom(@Main Resources resources) {
+        return (long) resources.getInteger(R.integer.config_dreamOverlayOutAlphaDelayBottomMs);
+    }
+
+    @Provides
+    @Named(DREAM_OUT_ALPHA_DELAY_TOP)
+    @DreamOverlayComponent.DreamOverlayScope
+    static long providesDreamOutComplicationsAlphaDelayTop(@Main Resources resources) {
+        return (long) resources.getInteger(R.integer.config_dreamOverlayOutAlphaDelayTopMs);
+    }
+
+    @Provides
+    @Named(DREAM_OUT_BLUR_DURATION)
+    @DreamOverlayComponent.DreamOverlayScope
+    static long providesDreamOutBlurDuration(@Main Resources resources) {
+        return (long) resources.getInteger(R.integer.config_dreamOverlayOutBlurDurationMs);
     }
 
     @Provides

packages/SystemUI/src/com/android/systemui/dreams/touch/HideComplicationTouchHandler.java

@@ -16,22 +16,26 @@
 
 package com.android.systemui.dreams.touch;
 
+import static com.android.systemui.dreams.complication.dagger.ComplicationHostViewModule.COMPLICATIONS_FADE_OUT_DELAY;
 import static com.android.systemui.dreams.complication.dagger.ComplicationHostViewModule.COMPLICATIONS_RESTORE_TIMEOUT;
 
-import android.os.Handler;
 import android.util.Log;
 import android.view.MotionEvent;
 import android.view.View;
 
+import androidx.annotation.Nullable;
+
 import com.android.systemui.dagger.qualifiers.Main;
+import com.android.systemui.dreams.DreamOverlayStateController;
 import com.android.systemui.dreams.complication.Complication;
 import com.android.systemui.statusbar.phone.StatusBarKeyguardViewManager;
 import com.android.systemui.touch.TouchInsetManager;
+import com.android.systemui.util.concurrency.DelayableExecutor;
 
 import com.google.common.util.concurrent.ListenableFuture;
 
+import java.util.ArrayDeque;
 import java.util.concurrent.ExecutionException;
-import java.util.concurrent.Executor;
 
 import javax.inject.Inject;
 import javax.inject.Named;
@@ -49,33 +53,58 @@ public class HideComplicationTouchHandler implements DreamTouchHandler {
     private static final String TAG = "HideComplicationHandler";
     private static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG);
 
-    private final Complication.VisibilityController mVisibilityController;
     private final int mRestoreTimeout;
+    private final int mFadeOutDelay;
     private final StatusBarKeyguardViewManager mStatusBarKeyguardViewManager;
-    private final Handler mHandler;
+    private final DelayableExecutor mExecutor;
-    private final Executor mExecutor;
+    private final DreamOverlayStateController mOverlayStateController;
     private final TouchInsetManager mTouchInsetManager;
+    private final Complication.VisibilityController mVisibilityController;
+    private boolean mHidden = false;
+    @Nullable
+    private Runnable mHiddenCallback;
+    private final ArrayDeque<Runnable> mCancelCallbacks = new ArrayDeque<>();
+
 
     private final Runnable mRestoreComplications = new Runnable() {
         @Override
         public void run() {
-            mVisibilityController.setVisibility(View.VISIBLE, true);
+            mVisibilityController.setVisibility(View.VISIBLE);
+            mHidden = false;
+        }
+    };
+
+    private final Runnable mHideComplications = new Runnable() {
+        @Override
+        public void run() {
+            if (mOverlayStateController.areExitAnimationsRunning()) {
+                // Avoid interfering with the exit animations.
+                return;
+            }
+            mVisibilityController.setVisibility(View.INVISIBLE);
+            mHidden = true;
+            if (mHiddenCallback != null) {
+                mHiddenCallback.run();
+                mHiddenCallback = null;
+            }
         }
     };
 
     @Inject
     HideComplicationTouchHandler(Complication.VisibilityController visibilityController,
             @Named(COMPLICATIONS_RESTORE_TIMEOUT) int restoreTimeout,
+            @Named(COMPLICATIONS_FADE_OUT_DELAY) int fadeOutDelay,
             TouchInsetManager touchInsetManager,
             StatusBarKeyguardViewManager statusBarKeyguardViewManager,
-            @Main Executor executor,
+            @Main DelayableExecutor executor,
-            @Main Handler handler) {
+            DreamOverlayStateController overlayStateController) {
         mVisibilityController = visibilityController;
         mRestoreTimeout = restoreTimeout;
+        mFadeOutDelay = fadeOutDelay;
         mStatusBarKeyguardViewManager = statusBarKeyguardViewManager;
-        mHandler = handler;
         mTouchInsetManager = touchInsetManager;
         mExecutor = executor;
+        mOverlayStateController = overlayStateController;
     }
 
     @Override
@@ -87,7 +116,8 @@ public class HideComplicationTouchHandler implements DreamTouchHandler {
         final boolean bouncerShowing = mStatusBarKeyguardViewManager.isBouncerShowing();
 
         // If other sessions are interested in this touch, do not fade out elements.
-        if (session.getActiveSessionCount() > 1 || bouncerShowing) {
+        if (session.getActiveSessionCount() > 1 || bouncerShowing
+                || mOverlayStateController.areExitAnimationsRunning()) {
             if (DEBUG) {
                 Log.d(TAG, "not fading. Active session count: " + session.getActiveSessionCount()
                         + ". Bouncer showing: " + bouncerShowing);
@@ -115,8 +145,11 @@ public class HideComplicationTouchHandler implements DreamTouchHandler {
                 touchCheck.addListener(() -> {
                     try {
                         if (!touchCheck.get()) {
-                            mHandler.removeCallbacks(mRestoreComplications);
+                            // Cancel all pending callbacks.
-                            mVisibilityController.setVisibility(View.INVISIBLE, true);
+                            while (!mCancelCallbacks.isEmpty()) mCancelCallbacks.pop().run();
+                            mCancelCallbacks.add(
+                                    mExecutor.executeDelayed(
+                                            mHideComplications, mFadeOutDelay));
                         } else {
                             // If a touch occurred inside the dream overlay touch insets, do not
                             // handle the touch.
@@ -130,7 +163,23 @@ public class HideComplicationTouchHandler implements DreamTouchHandler {
                     || motionEvent.getAction() == MotionEvent.ACTION_UP) {
                 // End session and initiate delayed reappearance of the complications.
                 session.pop();
-                mHandler.postDelayed(mRestoreComplications, mRestoreTimeout);
+                runAfterHidden(() -> mCancelCallbacks.add(
+                        mExecutor.executeDelayed(mRestoreComplications,
+                                mRestoreTimeout)));
+            }
+        });
+    }
+
+    /**
+     * Triggers a runnable after complications have been hidden. Will override any previously set
+     * runnable currently waiting for hide to happen.
+     */
+    private void runAfterHidden(Runnable runnable) {
+        mExecutor.execute(() -> {
+            if (mHidden) {
+                runnable.run();
+            } else {
+                mHiddenCallback = runnable;
             }
         });
     }

packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java

@@ -408,6 +408,11 @@ public class KeyguardViewMediator implements CoreStartable, Dumpable,
      */
     private final int mDreamOpenAnimationDuration;
 
+    /**
+     * The duration in milliseconds of the dream close animation.
+     */
+    private final int mDreamCloseAnimationDuration;
+
     /**
      * The animation used for hiding keyguard. This is used to fetch the animation timings if
      * WindowManager is not providing us with them.
@@ -1054,7 +1059,8 @@ public class KeyguardViewMediator implements CoreStartable, Dumpable,
                         }
 
                         mUnoccludeAnimator = ValueAnimator.ofFloat(1f, 0f);
-                        mUnoccludeAnimator.setDuration(UNOCCLUDE_ANIMATION_DURATION);
+                        mUnoccludeAnimator.setDuration(isDream ? mDreamCloseAnimationDuration
+                                : UNOCCLUDE_ANIMATION_DURATION);
                         mUnoccludeAnimator.setInterpolator(Interpolators.TOUCH_RESPONSE);
                         mUnoccludeAnimator.addUpdateListener(
                                 animation -> {
@@ -1204,6 +1210,8 @@ public class KeyguardViewMediator implements CoreStartable, Dumpable,
 
         mDreamOpenAnimationDuration = context.getResources().getInteger(
                 com.android.internal.R.integer.config_dreamOpenAnimationDuration);
+        mDreamCloseAnimationDuration = context.getResources().getInteger(
+                com.android.internal.R.integer.config_dreamCloseAnimationDuration);
     }
 
     public void userActivity() {

packages/SystemUI/tests/src/com/android/systemui/dreams/DreamOverlayAnimationsControllerTest.kt

@@ -0,0 +1,125 @@
+package com.android.systemui.dreams
+
+import android.animation.Animator
+import android.animation.AnimatorSet
+import android.testing.AndroidTestingRunner
+import androidx.test.filters.SmallTest
+import com.android.systemui.SysuiTestCase
+import com.android.systemui.dreams.complication.ComplicationHostViewController
+import com.android.systemui.statusbar.BlurUtils
+import com.android.systemui.util.mockito.argumentCaptor
+import com.android.systemui.util.mockito.mock
+import org.junit.Before
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.mockito.Mock
+import org.mockito.Mockito.never
+import org.mockito.Mockito.times
+import org.mockito.Mockito.verify
+import org.mockito.MockitoAnnotations
+
+@SmallTest
+@RunWith(AndroidTestingRunner::class)
+class DreamOverlayAnimationsControllerTest : SysuiTestCase() {
+
+    companion object {
+        private const val DREAM_IN_BLUR_ANIMATION_DURATION = 1L
+        private const val DREAM_IN_BLUR_ANIMATION_DELAY = 2L
+        private const val DREAM_IN_COMPLICATIONS_ANIMATION_DURATION = 3L
+        private const val DREAM_IN_TOP_COMPLICATIONS_ANIMATION_DELAY = 4L
+        private const val DREAM_IN_BOTTOM_COMPLICATIONS_ANIMATION_DELAY = 5L
+        private const val DREAM_OUT_TRANSLATION_Y_DISTANCE = 6
+        private const val DREAM_OUT_TRANSLATION_Y_DURATION = 7L
+        private const val DREAM_OUT_TRANSLATION_Y_DELAY_BOTTOM = 8L
+        private const val DREAM_OUT_TRANSLATION_Y_DELAY_TOP = 9L
+        private const val DREAM_OUT_ALPHA_DURATION = 10L
+        private const val DREAM_OUT_ALPHA_DELAY_BOTTOM = 11L
+        private const val DREAM_OUT_ALPHA_DELAY_TOP = 12L
+        private const val DREAM_OUT_BLUR_DURATION = 13L
+    }
+
+    @Mock private lateinit var mockAnimator: AnimatorSet
+    @Mock private lateinit var blurUtils: BlurUtils
+    @Mock private lateinit var hostViewController: ComplicationHostViewController
+    @Mock private lateinit var statusBarViewController: DreamOverlayStatusBarViewController
+    @Mock private lateinit var stateController: DreamOverlayStateController
+    private lateinit var controller: DreamOverlayAnimationsController
+
+    @Before
+    fun setUp() {
+        MockitoAnnotations.initMocks(this)
+        controller =
+            DreamOverlayAnimationsController(
+                blurUtils,
+                hostViewController,
+                statusBarViewController,
+                stateController,
+                DREAM_IN_BLUR_ANIMATION_DURATION,
+                DREAM_IN_BLUR_ANIMATION_DELAY,
+                DREAM_IN_COMPLICATIONS_ANIMATION_DURATION,
+                DREAM_IN_TOP_COMPLICATIONS_ANIMATION_DELAY,
+                DREAM_IN_BOTTOM_COMPLICATIONS_ANIMATION_DELAY,
+                DREAM_OUT_TRANSLATION_Y_DISTANCE,
+                DREAM_OUT_TRANSLATION_Y_DURATION,
+                DREAM_OUT_TRANSLATION_Y_DELAY_BOTTOM,
+                DREAM_OUT_TRANSLATION_Y_DELAY_TOP,
+                DREAM_OUT_ALPHA_DURATION,
+                DREAM_OUT_ALPHA_DELAY_BOTTOM,
+                DREAM_OUT_ALPHA_DELAY_TOP,
+                DREAM_OUT_BLUR_DURATION
+            )
+    }
+
+    @Test
+    fun testExitAnimationOnEnd() {
+        val mockCallback: () -> Unit = mock()
+
+        controller.startExitAnimations(
+            view = mock(),
+            doneCallback = mockCallback,
+            animatorBuilder = { mockAnimator }
+        )
+
+        val captor = argumentCaptor<Animator.AnimatorListener>()
+        verify(mockAnimator).addListener(captor.capture())
+        val listener = captor.value
+
+        verify(mockCallback, never()).invoke()
+        listener.onAnimationEnd(mockAnimator)
+        verify(mockCallback, times(1)).invoke()
+    }
+
+    @Test
+    fun testCancellation() {
+        controller.startExitAnimations(
+            view = mock(),
+            doneCallback = mock(),
+            animatorBuilder = { mockAnimator }
+        )
+
+        verify(mockAnimator, never()).cancel()
+        controller.cancelAnimations()
+        verify(mockAnimator, times(1)).cancel()
+    }
+
+    @Test
+    fun testExitAfterStartWillCancel() {
+        val mockStartAnimator: AnimatorSet = mock()
+        val mockExitAnimator: AnimatorSet = mock()
+
+        controller.startEntryAnimations(view = mock(), animatorBuilder = { mockStartAnimator })
+
+        verify(mockStartAnimator, never()).cancel()
+
+        controller.startExitAnimations(
+            view = mock(),
+            doneCallback = mock(),
+            animatorBuilder = { mockExitAnimator }
+        )
+
+        // Verify that we cancelled the start animator in favor of the exit
+        // animator.
+        verify(mockStartAnimator, times(1)).cancel()
+        verify(mockExitAnimator, never()).cancel()
+    }
+}

packages/SystemUI/tests/src/com/android/systemui/dreams/DreamOverlayContainerViewControllerTest.java

@@ -204,7 +204,7 @@ public class DreamOverlayContainerViewControllerTest extends SysuiTestCase {
         mController.onViewAttached();
 
         verify(mAnimationsController).startEntryAnimations(mDreamOverlayContainerView);
-        verify(mAnimationsController, never()).cancelRunningEntryAnimations();
+        verify(mAnimationsController, never()).cancelAnimations();
     }
 
     @Test
@@ -221,6 +221,6 @@ public class DreamOverlayContainerViewControllerTest extends SysuiTestCase {
         mController.onViewAttached();
         mController.onViewDetached();
 
-        verify(mAnimationsController).cancelRunningEntryAnimations();
+        verify(mAnimationsController).cancelAnimations();
     }
 }

packages/SystemUI/tests/src/com/android/systemui/dreams/DreamOverlayServiceTest.java

@@ -20,6 +20,7 @@ import static com.google.common.truth.Truth.assertThat;
 
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.Mockito.clearInvocations;
+import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
@@ -337,4 +338,28 @@ public class DreamOverlayServiceTest extends SysuiTestCase {
         verify(mDreamOverlayComponent).getDreamOverlayContainerViewController();
         verify(mDreamOverlayComponent).getDreamOverlayTouchMonitor();
     }
+
+    @Test
+    public void testWakeUp() throws RemoteException {
+        final IBinder proxy = mService.onBind(new Intent());
+        final IDreamOverlay overlay = IDreamOverlay.Stub.asInterface(proxy);
+
+        // Inform the overlay service of dream starting.
+        overlay.startDream(mWindowParams, mDreamOverlayCallback, DREAM_COMPONENT,
+                true /*shouldShowComplication*/);
+        mMainExecutor.runAllReady();
+
+        final Runnable callback = mock(Runnable.class);
+        mService.onWakeUp(callback);
+        mMainExecutor.runAllReady();
+        verify(mDreamOverlayContainerViewController).wakeUp(callback, mMainExecutor);
+    }
+
+    @Test
+    public void testWakeUpBeforeStartDoesNothing() {
+        final Runnable callback = mock(Runnable.class);
+        mService.onWakeUp(callback);
+        mMainExecutor.runAllReady();
+        verify(mDreamOverlayContainerViewController, never()).wakeUp(callback, mMainExecutor);
+    }
 }

packages/SystemUI/tests/src/com/android/systemui/dreams/touch/HideComplicationTouchHandlerTest.java

@@ -16,8 +16,6 @@
 
 package com.android.systemui.dreams.touch;
 
-import static org.mockito.ArgumentMatchers.any;
-import static org.mockito.ArgumentMatchers.anyBoolean;
 import static org.mockito.ArgumentMatchers.anyInt;
 import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.never;
@@ -33,6 +31,7 @@ import androidx.concurrent.futures.CallbackToFutureAdapter;
 import androidx.test.filters.SmallTest;
 
 import com.android.systemui.SysuiTestCase;
+import com.android.systemui.dreams.DreamOverlayStateController;
 import com.android.systemui.dreams.complication.Complication;
 import com.android.systemui.shared.system.InputChannelCompat;
 import com.android.systemui.statusbar.phone.StatusBarKeyguardViewManager;
@@ -52,6 +51,7 @@ import org.mockito.MockitoAnnotations;
 @RunWith(AndroidTestingRunner.class)
 public class HideComplicationTouchHandlerTest extends SysuiTestCase {
     private static final int RESTORE_TIMEOUT = 1000;
+    private static final int HIDE_DELAY = 500;
 
     @Mock
     Complication.VisibilityController mVisibilityController;
@@ -71,11 +71,18 @@ public class HideComplicationTouchHandlerTest extends SysuiTestCase {
     @Mock
     DreamTouchHandler.TouchSession mSession;
 
-    FakeExecutor mFakeExecutor = new FakeExecutor(new FakeSystemClock());
+    @Mock
+    DreamOverlayStateController mStateController;
+
+    FakeSystemClock mClock;
+
+    FakeExecutor mFakeExecutor;
 
     @Before
     public void setup() {
         MockitoAnnotations.initMocks(this);
+        mClock = new FakeSystemClock();
+        mFakeExecutor = new FakeExecutor(mClock);
     }
 
     /**
@@ -86,10 +93,11 @@ public class HideComplicationTouchHandlerTest extends SysuiTestCase {
         final HideComplicationTouchHandler touchHandler = new HideComplicationTouchHandler(
                 mVisibilityController,
                 RESTORE_TIMEOUT,
+                HIDE_DELAY,
                 mTouchInsetManager,
                 mStatusBarKeyguardViewManager,
                 mFakeExecutor,
-                mHandler);
+                mStateController);
 
         // Report multiple active sessions.
         when(mSession.getActiveSessionCount()).thenReturn(2);
@@ -103,8 +111,10 @@ public class HideComplicationTouchHandlerTest extends SysuiTestCase {
         // Verify session end.
         verify(mSession).pop();
 
+        mClock.advanceTime(HIDE_DELAY);
+
         // Verify no interaction with visibility controller.
-        verify(mVisibilityController, never()).setVisibility(anyInt(), anyBoolean());
+        verify(mVisibilityController, never()).setVisibility(anyInt());
     }
 
     /**
@@ -115,10 +125,11 @@ public class HideComplicationTouchHandlerTest extends SysuiTestCase {
         final HideComplicationTouchHandler touchHandler = new HideComplicationTouchHandler(
                 mVisibilityController,
                 RESTORE_TIMEOUT,
+                HIDE_DELAY,
                 mTouchInsetManager,
                 mStatusBarKeyguardViewManager,
                 mFakeExecutor,
-                mHandler);
+                mStateController);
 
         // Report one session.
         when(mSession.getActiveSessionCount()).thenReturn(1);
@@ -132,8 +143,10 @@ public class HideComplicationTouchHandlerTest extends SysuiTestCase {
         // Verify session end.
         verify(mSession).pop();
 
+        mClock.advanceTime(HIDE_DELAY);
+
         // Verify no interaction with visibility controller.
-        verify(mVisibilityController, never()).setVisibility(anyInt(), anyBoolean());
+        verify(mVisibilityController, never()).setVisibility(anyInt());
     }
 
     /**
@@ -144,10 +157,11 @@ public class HideComplicationTouchHandlerTest extends SysuiTestCase {
         final HideComplicationTouchHandler touchHandler = new HideComplicationTouchHandler(
                 mVisibilityController,
                 RESTORE_TIMEOUT,
+                HIDE_DELAY,
                 mTouchInsetManager,
                 mStatusBarKeyguardViewManager,
                 mFakeExecutor,
-                mHandler);
+                mStateController);
 
         // Report one session
         when(mSession.getActiveSessionCount()).thenReturn(1);
@@ -177,8 +191,10 @@ public class HideComplicationTouchHandlerTest extends SysuiTestCase {
         // Verify session ended.
         verify(mSession).pop();
 
+        mClock.advanceTime(HIDE_DELAY);
+
         // Verify no interaction with visibility controller.
-        verify(mVisibilityController, never()).setVisibility(anyInt(), anyBoolean());
+        verify(mVisibilityController, never()).setVisibility(anyInt());
     }
 
     /**
@@ -189,10 +205,11 @@ public class HideComplicationTouchHandlerTest extends SysuiTestCase {
         final HideComplicationTouchHandler touchHandler = new HideComplicationTouchHandler(
                 mVisibilityController,
                 RESTORE_TIMEOUT,
+                HIDE_DELAY,
                 mTouchInsetManager,
                 mStatusBarKeyguardViewManager,
                 mFakeExecutor,
-                mHandler);
+                mStateController);
 
         // Report one session
         when(mSession.getActiveSessionCount()).thenReturn(1);
@@ -221,11 +238,11 @@ public class HideComplicationTouchHandlerTest extends SysuiTestCase {
         inputEventListenerCaptor.getValue().onInputEvent(mMotionEvent);
         mFakeExecutor.runAllReady();
 
-        // Verify callback to restore visibility cancelled.
+        // Verify visibility controller doesn't hide until after timeout
-        verify(mHandler).removeCallbacks(any());
+        verify(mVisibilityController, never()).setVisibility(eq(View.INVISIBLE));
-
+        mClock.advanceTime(HIDE_DELAY);
         // Verify visibility controller told to hide complications.
-        verify(mVisibilityController).setVisibility(eq(View.INVISIBLE), anyBoolean());
+        verify(mVisibilityController).setVisibility(eq(View.INVISIBLE));
 
         Mockito.clearInvocations(mVisibilityController, mHandler);
 
@@ -235,11 +252,8 @@ public class HideComplicationTouchHandlerTest extends SysuiTestCase {
         mFakeExecutor.runAllReady();
 
         // Verify visibility controller told to show complications.
-        ArgumentCaptor<Runnable> delayRunnableCaptor = ArgumentCaptor.forClass(Runnable.class);
+        mClock.advanceTime(RESTORE_TIMEOUT);
-        verify(mHandler).postDelayed(delayRunnableCaptor.capture(),
+        verify(mVisibilityController).setVisibility(eq(View.VISIBLE));
-                eq(Long.valueOf(RESTORE_TIMEOUT)));
-        delayRunnableCaptor.getValue().run();
-        verify(mVisibilityController).setVisibility(eq(View.VISIBLE), anyBoolean());
 
         // Verify session ended.
         verify(mSession).pop();