Merge "Split ambient pulse notif logic from heads up."
diff --git a/packages/SystemUI/res/values/config.xml b/packages/SystemUI/res/values/config.xml
index 47a6c52..24dcd3e 100644
--- a/packages/SystemUI/res/values/config.xml
+++ b/packages/SystemUI/res/values/config.xml
@@ -146,19 +146,29 @@
     <!-- Should "LTE"/"4G" be shown instead of "LTE+"/"4G+" when on NETWORK_TYPE_LTE_CA? -->
     <bool name="config_hideLtePlus">false</bool>
 
-    <!-- milliseconds before the heads up notification auto-dismisses. -->
+    <!-- The number of milliseconds before the heads up notification auto-dismisses. -->
     <integer name="heads_up_notification_decay">5000</integer>
 
-    <!-- milliseconds after a heads up notification is pushed back
+    <!-- The number of milliseconds after a heads up notification is pushed back
      before the app can interrupt again. -->
     <integer name="heads_up_default_snooze_length_ms">60000</integer>
 
     <!-- Minimum display time for a heads up notification, in milliseconds. -->
     <integer name="heads_up_notification_minimum_time">2000</integer>
 
-    <!-- milliseconds before the heads up notification accepts touches. -->
+    <!-- The number of milliseconds before the heads up notification accepts touches. -->
     <integer name="touch_acceptance_delay">700</integer>
 
+    <!-- The number of milliseconds before the ambient notification auto-dismisses. This will
+         override the default pulse length. -->
+    <integer name="ambient_notification_decay">6000</integer>
+
+    <!-- Minimum display time for a heads up notification, in milliseconds. -->
+    <integer name="ambient_notification_minimum_time">2000</integer>
+
+    <!-- The number of milliseconds to extend ambient pulse by when prompted (e.g. on touch) -->
+    <integer name="ambient_notification_extension_time">6000</integer>
+
     <!-- The duration in seconds to wait before the dismiss buttons are shown. -->
     <integer name="recents_task_bar_dismiss_delay_seconds">1000</integer>
 
diff --git a/packages/SystemUI/src/com/android/systemui/SystemUIFactory.java b/packages/SystemUI/src/com/android/systemui/SystemUIFactory.java
index 04d72ce..258b6f6 100644
--- a/packages/SystemUI/src/com/android/systemui/SystemUIFactory.java
+++ b/packages/SystemUI/src/com/android/systemui/SystemUIFactory.java
@@ -30,6 +30,7 @@
 import com.android.systemui.classifier.FalsingManager;
 import com.android.systemui.keyguard.DismissCallbackRegistry;
 import com.android.systemui.qs.QSTileHost;
+import com.android.systemui.statusbar.AmbientPulseManager;
 import com.android.systemui.statusbar.KeyguardIndicationController;
 import com.android.systemui.statusbar.StatusBarStateController;
 import com.android.systemui.statusbar.notification.row.NotificationBlockingHelperManager;
@@ -137,6 +138,7 @@
         providers.put(NotificationGroupManager.class, NotificationGroupManager::new);
         providers.put(NotificationMediaManager.class, () -> new NotificationMediaManager(context));
         providers.put(NotificationGutsManager.class, () -> new NotificationGutsManager(context));
+        providers.put(AmbientPulseManager.class, () -> new AmbientPulseManager(context));
         providers.put(NotificationBlockingHelperManager.class,
                 () -> new NotificationBlockingHelperManager(context));
         providers.put(NotificationRemoteInputManager.class,
diff --git a/packages/SystemUI/src/com/android/systemui/car/CarNotificationEntryManager.java b/packages/SystemUI/src/com/android/systemui/car/CarNotificationEntryManager.java
index d6a1cf0..5739c99 100644
--- a/packages/SystemUI/src/com/android/systemui/car/CarNotificationEntryManager.java
+++ b/packages/SystemUI/src/com/android/systemui/car/CarNotificationEntryManager.java
@@ -16,7 +16,6 @@
 package com.android.systemui.car;
 
 import android.content.Context;
-import android.service.notification.StatusBarNotification;
 
 import com.android.systemui.statusbar.notification.row.ExpandableNotificationRow;
 import com.android.systemui.statusbar.notification.NotificationData;
@@ -41,7 +40,7 @@
     }
 
     @Override
-    public boolean shouldPeek(NotificationData.Entry entry, StatusBarNotification sbn) {
+    public boolean shouldHeadsUp(NotificationData.Entry entry) {
         // Because space is usually constrained in the auto use-case, there should not be a
         // pinned notification when the shade has been expanded. Ensure this by not pinning any
         // notification if the shade is already opened.
@@ -49,6 +48,6 @@
             return false;
         }
 
-        return super.shouldPeek(entry, sbn);
+        return super.shouldHeadsUp(entry);
     }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/doze/DozeHost.java b/packages/SystemUI/src/com/android/systemui/doze/DozeHost.java
index 6a29299..bb05980 100644
--- a/packages/SystemUI/src/com/android/systemui/doze/DozeHost.java
+++ b/packages/SystemUI/src/com/android/systemui/doze/DozeHost.java
@@ -48,7 +48,15 @@
     void onIgnoreTouchWhilePulsing(boolean ignore);
 
     interface Callback {
-        default void onNotificationHeadsUp() {}
+        /**
+         * Called when a high priority notification is added.
+         */
+        default void onNotificationAlerted() {}
+
+        /**
+         * Called when battery state or power save mode changes.
+         * @param active whether power save is active or not
+         */
         default void onPowerSaveChanged(boolean active) {}
     }
 
diff --git a/packages/SystemUI/src/com/android/systemui/doze/DozeTriggers.java b/packages/SystemUI/src/com/android/systemui/doze/DozeTriggers.java
index 1589969..31548b9 100644
--- a/packages/SystemUI/src/com/android/systemui/doze/DozeTriggers.java
+++ b/packages/SystemUI/src/com/android/systemui/doze/DozeTriggers.java
@@ -409,7 +409,7 @@
 
     private DozeHost.Callback mHostCallback = new DozeHost.Callback() {
         @Override
-        public void onNotificationHeadsUp() {
+        public void onNotificationAlerted() {
             onNotification();
         }
 
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/AlertingNotificationManager.java b/packages/SystemUI/src/com/android/systemui/statusbar/AlertingNotificationManager.java
index 4516518..b6e88d6 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/AlertingNotificationManager.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/AlertingNotificationManager.java
@@ -165,7 +165,7 @@
      * Whether or not the given notification is alerting and managed by this manager.
      * @return true if the notification is alerting
      */
-    public boolean contains(@NonNull String key) {
+    public boolean isAlerting(@NonNull String key) {
         return mAlertEntries.containsKey(key);
     }
 
@@ -294,7 +294,7 @@
             removeAutoRemovalCallbacks();
 
             if (!isSticky()) {
-                long finishTime = mPostTime + mAutoDismissNotificationDecay;
+                long finishTime = calculateFinishTime();
                 long removeDelay = Math.max(finishTime - currentTime, mMinimumDisplayTime);
                 mHandler.postDelayed(mRemoveAlertRunnable, removeDelay);
             }
@@ -357,6 +357,14 @@
         protected long calculatePostTime() {
             return mClock.currentTimeMillis();
         }
+
+        /**
+         * Calculate when the notification should auto-dismiss itself.
+         * @return the finish time
+         */
+        protected long calculateFinishTime() {
+            return mPostTime + mAutoDismissNotificationDecay;
+        }
     }
 
     protected final static class Clock {
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/AmbientPulseManager.java b/packages/SystemUI/src/com/android/systemui/statusbar/AmbientPulseManager.java
new file mode 100644
index 0000000..2c384d0
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/AmbientPulseManager.java
@@ -0,0 +1,149 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.systemui.statusbar;
+
+import android.annotation.NonNull;
+import android.content.Context;
+import android.content.res.Resources;
+import android.util.ArraySet;
+
+import com.android.internal.annotations.VisibleForTesting;
+import com.android.systemui.R;
+import com.android.systemui.statusbar.notification.NotificationData;
+
+/**
+ * Manager which handles high priority notifications that should "pulse" in when the device is
+ * dozing and/or in AOD.  The pulse uses the notification's ambient view and pops in briefly
+ * before automatically dismissing the alert.
+ */
+public final class AmbientPulseManager extends AlertingNotificationManager {
+
+    protected final ArraySet<OnAmbientChangedListener> mListeners = new ArraySet<>();
+    @VisibleForTesting
+    protected long mExtensionTime;
+
+    public AmbientPulseManager(@NonNull final Context context) {
+        Resources resources = context.getResources();
+        mAutoDismissNotificationDecay = resources.getInteger(R.integer.ambient_notification_decay);
+        mMinimumDisplayTime = resources.getInteger(R.integer.ambient_notification_minimum_time);
+        mExtensionTime = resources.getInteger(R.integer.ambient_notification_extension_time);
+    }
+
+    /**
+     * Adds an OnAmbientChangedListener to observe events.
+     */
+    public void addListener(@NonNull OnAmbientChangedListener listener) {
+        mListeners.add(listener);
+    }
+
+    /**
+     * Removes the OnAmbientChangedListener from the observer list.
+     */
+    public void removeListener(@NonNull OnAmbientChangedListener listener) {
+        mListeners.remove(listener);
+    }
+
+    /**
+     * Extends the lifetime of the currently showing pulsing notification so that the pulse lasts
+     * longer.
+     */
+    public void extendPulse() {
+        AmbientEntry topEntry = getTopEntry();
+        if (topEntry == null) {
+            return;
+        }
+        topEntry.extendPulse();
+    }
+
+    @Override
+    protected void onAlertEntryAdded(AlertEntry alertEntry) {
+        NotificationData.Entry entry = alertEntry.mEntry;
+        entry.row.setAmbientPulsing(true);
+        for (OnAmbientChangedListener listener : mListeners) {
+            listener.onAmbientStateChanged(entry, true);
+        }
+    }
+
+    @Override
+    protected void onAlertEntryRemoved(AlertEntry alertEntry) {
+        NotificationData.Entry entry = alertEntry.mEntry;
+        entry.row.setAmbientPulsing(false);
+        for (OnAmbientChangedListener listener : mListeners) {
+            listener.onAmbientStateChanged(entry, false);
+        }
+    }
+
+    @Override
+    protected AlertEntry createAlertEntry() {
+        return new AmbientEntry();
+    }
+
+    /**
+     * Get the top pulsing entry.  This should be the currently showing one if there are multiple.
+     * @return the currently showing entry
+     */
+    private AmbientEntry getTopEntry() {
+        if (mAlertEntries.isEmpty()) {
+            return null;
+        }
+        AlertEntry topEntry = null;
+        for (AlertEntry entry : mAlertEntries.values()) {
+            if (topEntry == null || entry.compareTo(topEntry) < 0) {
+                topEntry = entry;
+            }
+        }
+        return (AmbientEntry) topEntry;
+    }
+
+    /**
+     * Observer interface for any changes in the ambient entries.
+     */
+    public interface OnAmbientChangedListener {
+        /**
+         * Called when an entry starts or stops pulsing.
+         * @param entry the entry that changed
+         * @param isPulsing true if the entry is now pulsing, false otherwise
+         */
+        void onAmbientStateChanged(NotificationData.Entry entry, boolean isPulsing);
+    }
+
+    private final class AmbientEntry extends AlertEntry {
+        private boolean extended;
+
+        /**
+         * Extend the lifetime of the alertEntry so that it auto-removes later.  Can only be
+         * extended once.
+         */
+        private void extendPulse() {
+            if (!extended) {
+                extended = true;
+                updateEntry(false);
+            }
+        }
+
+        @Override
+        public void reset() {
+            super.reset();
+            extended = false;
+        }
+
+        @Override
+        protected long calculateFinishTime() {
+            return super.calculateFinishTime() + (extended ? mExtensionTime : 0);
+        }
+    }
+}
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/NotificationViewHierarchyManager.java b/packages/SystemUI/src/com/android/systemui/statusbar/NotificationViewHierarchyManager.java
index d479838..f69ad43 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/NotificationViewHierarchyManager.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/NotificationViewHierarchyManager.java
@@ -321,7 +321,7 @@
                         && !row.isLowPriority()));
             }
 
-            entry.row.setShowAmbient(mPresenter.isDozing());
+            entry.row.setOnAmbient(mPresenter.isDozing());
             int userId = entry.notification.getUserId();
             boolean suppressedSummary = mGroupManager.isSummaryOfSuppressedGroup(
                     entry.notification) && !entry.row.isRemoved();
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/NotificationData.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/NotificationData.java
index 804e842..d097c8e 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/NotificationData.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/NotificationData.java
@@ -440,6 +440,8 @@
             } else if (isHeadsUp) {
                 // Provide consistent ranking with headsUpManager
                 return mHeadsUpManager.compare(a, b);
+            } else if (a.row.isAmbientPulsing() != b.row.isAmbientPulsing()) {
+                return a.row.isAmbientPulsing() ? -1 : 1;
             } else if (aMedia != bMedia) {
                 // Upsort current media notification.
                 return aMedia ? -1 : 1;
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/NotificationEntryManager.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/NotificationEntryManager.java
index ac01fa3..935eaac 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/NotificationEntryManager.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/NotificationEntryManager.java
@@ -58,6 +58,8 @@
 import com.android.systemui.UiOffloadThread;
 import com.android.systemui.recents.misc.SystemServicesProxy;
 import com.android.systemui.statusbar.NotificationLifetimeExtender;
+import com.android.systemui.statusbar.AlertingNotificationManager;
+import com.android.systemui.statusbar.AmbientPulseManager;
 import com.android.systemui.statusbar.NotificationListener;
 import com.android.systemui.statusbar.NotificationLockscreenUserManager;
 import com.android.systemui.statusbar.NotificationMediaManager;
@@ -91,7 +93,7 @@
         ExpandableNotificationRow.ExpansionLogger, NotificationUpdateHandler,
         VisualStabilityManager.Callback {
     private static final String TAG = "NotificationEntryMgr";
-    protected static final boolean DEBUG = false;
+    protected static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG);
     protected static final boolean ENABLE_HEADS_UP = true;
     protected static final String SETTING_HEADS_UP_TICKER = "ticker_gets_heads_up";
 
@@ -121,6 +123,7 @@
             Dependency.get(ForegroundServiceController.class);
     protected final NotificationListener mNotificationListener =
             Dependency.get(NotificationListener.class);
+    protected AmbientPulseManager mAmbientPulseManager = Dependency.get(AmbientPulseManager.class);
 
     protected IStatusBarService mBarService;
     protected NotificationPresenter mPresenter;
@@ -264,6 +267,7 @@
         }
 
         mNotificationLifetimeExtenders.add(mHeadsUpManager);
+        mNotificationLifetimeExtenders.add(mAmbientPulseManager);
         mNotificationLifetimeExtenders.add(mGutsManager);
         mNotificationLifetimeExtenders.addAll(mRemoteInputManager.getLifetimeExtenders());
 
@@ -381,7 +385,7 @@
         final int userId = n.getUserId();
         try {
             int dismissalSurface = NotificationStats.DISMISSAL_SHADE;
-            if (isHeadsUp(n.getKey())) {
+            if (mHeadsUpManager.isAlerting(n.getKey())) {
                 dismissalSurface = NotificationStats.DISMISSAL_PEEK;
             } else if (mListContainer.hasPulsingNotifications()) {
                 dismissalSurface = NotificationStats.DISMISSAL_AOD;
@@ -432,12 +436,14 @@
     }
 
     private void addEntry(NotificationData.Entry shadeEntry) {
-        boolean isHeadsUped = shouldPeek(shadeEntry);
-        if (isHeadsUped) {
+        if (shouldHeadsUp(shadeEntry)) {
             mHeadsUpManager.showNotification(shadeEntry);
             // Mark as seen immediately
             setNotificationShown(shadeEntry.notification);
         }
+        if (shouldPulse(shadeEntry)) {
+            mAmbientPulseManager.showNotification(shadeEntry);
+        }
         addNotificationViews(shadeEntry);
         mCallback.onNotificationAdded(shadeEntry);
     }
@@ -465,7 +471,11 @@
     private void removeNotificationInternal(String key,
             @Nullable NotificationListenerService.RankingMap ranking, boolean forceRemove) {
         abortExistingInflation(key);
-        if (mHeadsUpManager.contains(key)) {
+
+        // Attempt to remove notifications from their alert managers (heads up, ambient pulse).
+        // Though the remove itself may fail, it lets the manager know to remove as soon as
+        // possible.
+        if (mHeadsUpManager.isAlerting(key)) {
             // A cancel() in response to a remote input shouldn't be delayed, as it makes the
             // sending look longer than it takes.
             // Also we should not defer the removal if reordering isn't allowed since otherwise
@@ -473,10 +483,11 @@
             boolean ignoreEarliestRemovalTime = mRemoteInputManager.getController().isSpinning(key)
                     && !FORCE_REMOTE_INPUT_HISTORY
                     || !mVisualStabilityManager.isReorderingAllowed();
-
-            // Attempt to remove notification.
             mHeadsUpManager.removeNotification(key, ignoreEarliestRemovalTime);
         }
+        if (mAmbientPulseManager.isAlerting(key)) {
+            mAmbientPulseManager.removeNotification(key, false /* ignoreEarliestRemovalTime */);
+        }
 
         NotificationData.Entry entry = mNotificationData.get(key);
 
@@ -651,13 +662,15 @@
     private void addNotificationInternal(StatusBarNotification notification,
             NotificationListenerService.RankingMap rankingMap) throws InflationException {
         String key = notification.getKey();
-        if (DEBUG) Log.d(TAG, "addNotification key=" + key);
+        if (DEBUG) {
+            Log.d(TAG, "addNotification key=" + key);
+        }
 
         mNotificationData.updateRanking(rankingMap);
         NotificationListenerService.Ranking ranking = new NotificationListenerService.Ranking();
         rankingMap.getRanking(key, ranking);
         NotificationData.Entry shadeEntry = createNotificationViews(notification, ranking);
-        boolean isHeadsUped = shouldPeek(shadeEntry);
+        boolean isHeadsUped = shouldHeadsUp(shadeEntry);
         if (!isHeadsUped && notification.getNotification().fullScreenIntent != null) {
             if (shouldSuppressFullScreenIntent(shadeEntry)) {
                 if (DEBUG) {
@@ -750,7 +763,6 @@
             extender.setShouldManageLifetime(entry, false /* shouldManage */);
         }
 
-        Notification n = notification.getNotification();
         mNotificationData.updateRanking(ranking);
 
         final StatusBarNotification oldNotification = entry.notification;
@@ -763,10 +775,12 @@
         mForegroundServiceController.updateNotification(notification,
                 mNotificationData.getImportance(key));
 
-        boolean shouldPeek = shouldPeek(entry, notification);
-        boolean alertAgain = alertAgain(entry, n);
-
-        updateHeadsUp(key, entry, shouldPeek, alertAgain);
+        boolean alertAgain = alertAgain(entry, entry.notification.getNotification());
+        if (mPresenter.isDozing()) {
+            updateAlertState(entry, shouldPulse(entry), alertAgain, mAmbientPulseManager);
+        } else {
+            updateAlertState(entry, shouldHeadsUp(entry), alertAgain, mHeadsUpManager);
+        }
         updateNotifications();
 
         if (!notification.isClearable()) {
@@ -851,66 +865,147 @@
         }
     }
 
-    protected boolean shouldPeek(NotificationData.Entry entry) {
-        return shouldPeek(entry, entry.notification);
-    }
+    /**
+     * Whether the notification should peek in from the top and alert the user.
+     *
+     * @param entry the entry to check
+     * @return true if the entry should heads up, false otherwise
+     */
+    @VisibleForTesting(visibility = VisibleForTesting.Visibility.PROTECTED)
+    public boolean shouldHeadsUp(NotificationData.Entry entry) {
+        StatusBarNotification sbn = entry.notification;
 
-    public boolean shouldPeek(NotificationData.Entry entry, StatusBarNotification sbn) {
-        if (!mUseHeadsUp || mPresenter.isDeviceInVrMode()) {
-            if (DEBUG) Log.d(TAG, "No peeking: no huns or vr mode");
+        if (mPresenter.isDozing()) {
+            if (DEBUG) {
+                Log.d(TAG, "No heads up: device is dozing: " + sbn.getKey());
+            }
             return false;
         }
 
-        if (mNotificationData.shouldFilterOut(entry)) {
-            if (DEBUG) Log.d(TAG, "No peeking: filtered notification: " + sbn.getKey());
+        if (!canAlertCommon(entry)) {
+            if (DEBUG) {
+                Log.d(TAG, "No heads up: notification shouldn't alert: " + sbn.getKey());
+            }
+            return false;
+        }
+
+        if (!mUseHeadsUp || mPresenter.isDeviceInVrMode()) {
+            if (DEBUG) {
+                Log.d(TAG, "No heads up: no huns or vr mode");
+            }
             return false;
         }
 
         boolean inUse = mPowerManager.isScreenOn() && !mSystemServicesProxy.isDreaming();
 
-        if (!inUse && !mPresenter.isDozing()) {
+        if (!inUse) {
             if (DEBUG) {
-                Log.d(TAG, "No peeking: not in use: " + sbn.getKey());
+                Log.d(TAG, "No heads up: not in use: " + sbn.getKey());
             }
             return false;
         }
 
-        if (!mPresenter.isDozing() && mNotificationData.shouldSuppressPeek(entry)) {
-            if (DEBUG) Log.d(TAG, "No peeking: suppressed by DND: " + sbn.getKey());
-            return false;
-        }
-
-        // Peeking triggers an ambient display pulse, so disable peek is ambient is active
-        if (mPresenter.isDozing() && mNotificationData.shouldSuppressAmbient(entry)) {
-            if (DEBUG) Log.d(TAG, "No peeking: suppressed by DND: " + sbn.getKey());
-            return false;
-        }
-
-        if (entry.hasJustLaunchedFullScreenIntent()) {
-            if (DEBUG) Log.d(TAG, "No peeking: recent fullscreen: " + sbn.getKey());
+        if (mNotificationData.shouldSuppressPeek(entry)) {
+            if (DEBUG) {
+                Log.d(TAG, "No heads up: suppressed by DND: " + sbn.getKey());
+            }
             return false;
         }
 
         if (isSnoozedPackage(sbn)) {
-            if (DEBUG) Log.d(TAG, "No peeking: snoozed package: " + sbn.getKey());
+            if (DEBUG) {
+                Log.d(TAG, "No heads up: snoozed package: " + sbn.getKey());
+            }
             return false;
         }
 
-        // Allow peeking for DEFAULT notifications only if we're on Ambient Display.
-        int importanceLevel = mPresenter.isDozing() ? NotificationManager.IMPORTANCE_DEFAULT
-                : NotificationManager.IMPORTANCE_HIGH;
-        if (mNotificationData.getImportance(sbn.getKey()) < importanceLevel) {
-            if (DEBUG) Log.d(TAG, "No peeking: unimportant notification: " + sbn.getKey());
+        if (entry.hasJustLaunchedFullScreenIntent()) {
+            if (DEBUG) {
+                Log.d(TAG, "No heads up: recent fullscreen: " + sbn.getKey());
+            }
             return false;
         }
 
-        // Don't peek notifications that are suppressed due to group alert behavior
+        if (mNotificationData.getImportance(sbn.getKey()) < NotificationManager.IMPORTANCE_HIGH) {
+            if (DEBUG) {
+                Log.d(TAG, "No heads up: unimportant notification: " + sbn.getKey());
+            }
+            return false;
+        }
+
+        if (!mCallback.canHeadsUp(entry, sbn)) {
+            return false;
+        }
+
+        return true;
+    }
+
+    /**
+     * Whether or not the notification should "pulse" on the user's display when the phone is
+     * dozing.  This displays the ambient view of the notification.
+     *
+     * @param entry the entry to check
+     * @return true if the entry should ambient pulse, false otherwise
+     */
+    protected boolean shouldPulse(NotificationData.Entry entry) {
+        StatusBarNotification sbn = entry.notification;
+
+        if (!mPresenter.isDozing()) {
+            if (DEBUG) {
+                Log.d(TAG, "No pulsing: not dozing: " + sbn.getKey());
+            }
+            return false;
+        }
+
+        if (!canAlertCommon(entry)) {
+            if (DEBUG) {
+                Log.d(TAG, "No pulsing: notification shouldn't alert: " + sbn.getKey());
+            }
+            return false;
+        }
+
+        if (mNotificationData.shouldSuppressAmbient(entry)) {
+            if (DEBUG) {
+                Log.d(TAG, "No pulsing: ambient effect suppressed: " + sbn.getKey());
+            }
+            return false;
+        }
+
+        if (mNotificationData.getImportance(sbn.getKey())
+                < NotificationManager.IMPORTANCE_DEFAULT) {
+            if (DEBUG) {
+                Log.d(TAG, "No pulsing: not important enough: " + sbn.getKey());
+            }
+            return false;
+        }
+
+        return true;
+    }
+
+    /**
+     * Common checks between heads up alerting and ambient pulse alerting.  See
+     * {@link NotificationEntryManager#shouldHeadsUp(NotificationData.Entry)} and
+     * {@link NotificationEntryManager#shouldPulse(NotificationData.Entry)}.  Notifications that
+     * fail any of these checks should not alert at all.
+     *
+     * @param entry the entry to check
+     * @return true if these checks pass, false if the notification should not alert
+     */
+    protected boolean canAlertCommon(NotificationData.Entry entry) {
+        StatusBarNotification sbn = entry.notification;
+
+        if (mNotificationData.shouldFilterOut(entry)) {
+            if (DEBUG) {
+                Log.d(TAG, "No alerting: filtered notification: " + sbn.getKey());
+            }
+            return false;
+        }
+
+        // Don't alert notifications that are suppressed due to group alert behavior
         if (sbn.isGroup() && sbn.getNotification().suppressAlertingDueToGrouping()) {
-            if (DEBUG) Log.d(TAG, "No peeking: suppressed due to group alert behavior");
-            return false;
-        }
-
-        if (!mCallback.shouldPeek(entry, sbn)) {
+            if (DEBUG) {
+                Log.d(TAG, "No alerting: suppressed due to group alert behavior");
+            }
             return false;
         }
 
@@ -933,26 +1028,31 @@
         return mHeadsUpManager.isSnoozed(sbn.getPackageName());
     }
 
-    protected void updateHeadsUp(String key, NotificationData.Entry entry, boolean shouldPeek,
-            boolean alertAgain) {
-        final boolean wasHeadsUp = isHeadsUp(key);
-        if (wasHeadsUp) {
-            if (!shouldPeek) {
+    /**
+     * Update the entry's alert state and call the appropriate {@link AlertingNotificationManager}
+     * method.
+     * @param entry entry to update
+     * @param shouldAlert whether or not it should be alerting
+     * @param alertAgain whether or not an alert should actually come in as if it were new
+     * @param alertManager the alerting notification manager that manages the alert state
+     */
+    private void updateAlertState(NotificationData.Entry entry, boolean shouldAlert,
+            boolean alertAgain, AlertingNotificationManager alertManager) {
+        final boolean wasAlerting = alertManager.isAlerting(entry.key);
+        if (wasAlerting) {
+            if (!shouldAlert) {
                 // We don't want this to be interrupting anymore, lets remove it
-                mHeadsUpManager.removeNotification(key, false /* ignoreEarliestRemovalTime */);
+                alertManager.removeNotification(entry.key,
+                        false /* ignoreEarliestRemovalTime */);
             } else {
-                mHeadsUpManager.updateNotification(entry.key, alertAgain);
+                alertManager.updateNotification(entry.key, alertAgain);
             }
-        } else if (shouldPeek && alertAgain) {
-            // This notification was updated to be a heads-up, show it!
-            mHeadsUpManager.showNotification(entry);
+        } else if (shouldAlert && alertAgain) {
+            // This notification was updated to be alerting, show it!
+            alertManager.showNotification(entry);
         }
     }
 
-    protected boolean isHeadsUp(String key) {
-        return mHeadsUpManager.contains(key);
-    }
-
     /**
      * Callback for NotificationEntryManager.
      */
@@ -1008,12 +1108,12 @@
         void onPerformRemoveNotification(StatusBarNotification statusBarNotification);
 
         /**
-         * Returns true if NotificationEntryManager should peek this notification.
+         * Returns true if NotificationEntryManager can heads up this notification.
          *
-         * @param entry entry of the notification that might be peeked
-         * @param sbn notification that might be peeked
-         * @return true if the notification should be peeked
+         * @param entry entry of the notification that might be heads upped
+         * @param sbn notification that might be heads upped
+         * @return true if the notification can be heads upped
          */
-        boolean shouldPeek(NotificationData.Entry entry, StatusBarNotification sbn);
+        boolean canHeadsUp(NotificationData.Entry entry, StatusBarNotification sbn);
     }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ExpandableNotificationRow.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ExpandableNotificationRow.java
index 216ed68..019e88b 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ExpandableNotificationRow.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ExpandableNotificationRow.java
@@ -174,6 +174,11 @@
      */
     private boolean mOnKeyguard;
 
+    /**
+     * Whether or not the row is currently on the doze screen.
+     */
+    private boolean mOnAmbient;
+
     private Animator mTranslateAnim;
     private ArrayList<View> mTranslateableViews;
     private NotificationContentView mPublicLayout;
@@ -186,7 +191,18 @@
     private NotificationData.Entry mEntry;
     private StatusBarNotification mStatusBarNotification;
     private String mAppName;
+
+    /**
+     * Whether or not the notification is using the heads up view and should peek from the top.
+     */
     private boolean mIsHeadsUp;
+
+    /**
+     * Whether or not the notification is using the ambient display view and is pulsing.  This
+     * occurs when a high priority notification alerts while the phone is dozing or is on AOD.
+     */
+    private boolean mIsAmbientPulsing;
+
     private boolean mLastChronometerRunning = true;
     private ViewStub mChildrenContainerStub;
     private NotificationGroupManager mGroupManager;
@@ -289,7 +305,6 @@
     private float mContentTransformationAmount;
     private boolean mIconsVisible = true;
     private boolean mAboveShelf;
-    private boolean mShowAmbient;
     private boolean mIsLastChild;
     private Runnable mOnDismissRunnable;
     private boolean mIsLowPriority;
@@ -606,6 +621,14 @@
         }
     }
 
+    public boolean isAmbientPulsing() {
+        return mIsAmbientPulsing;
+    }
+
+    public void setAmbientPulsing(boolean isAmbientPulsing) {
+        mIsAmbientPulsing = isAmbientPulsing;
+    }
+
     public void setGroupManager(NotificationGroupManager groupManager) {
         mGroupManager = groupManager;
         mPrivateLayout.setGroupManager(groupManager);
@@ -1854,7 +1877,7 @@
     public void setDark(boolean dark, boolean fade, long delay) {
         super.setDark(dark, fade, delay);
         mDark = dark;
-        if (!mIsHeadsUp) {
+        if (!mIsAmbientPulsing) {
             // Only fade the showing view of the pulsing notification.
             fade = false;
         }
@@ -2155,7 +2178,7 @@
             return mPrivateLayout.getMinHeight();
         } else if (mSensitive && mHideSensitiveForIntrinsicHeight) {
             return getMinHeight();
-        } else if (mIsSummaryWithChildren && (!mOnKeyguard || mShowAmbient)) {
+        } else if (mIsSummaryWithChildren && (!mOnKeyguard || mOnAmbient)) {
             return mChildrenContainer.getIntrinsicHeight();
         } else if (isHeadsUpAllowed() && (mIsHeadsUp || mHeadsupDisappearRunning)) {
             if (isPinned() || mHeadsupDisappearRunning) {
@@ -2173,7 +2196,7 @@
     }
 
     private boolean isHeadsUpAllowed() {
-        return !mOnKeyguard && !mShowAmbient;
+        return !mOnKeyguard && !mOnAmbient;
     }
 
     @Override
@@ -2818,11 +2841,11 @@
                 || mExpandAnimationRunning || mChildIsExpanding);
     }
 
-    public void setShowAmbient(boolean showAmbient) {
-        if (showAmbient != mShowAmbient) {
-            mShowAmbient = showAmbient;
+    public void setOnAmbient(boolean onAmbient) {
+        if (onAmbient != mOnAmbient) {
+            mOnAmbient = onAmbient;
             if (mChildrenContainer != null) {
-                mChildrenContainer.notifyShowAmbientChanged();
+                mChildrenContainer.notifyDozingStateChanged();
             }
             notifyHeightChanged(false /* needsAnimation */);
         }
@@ -2891,8 +2914,8 @@
         return getCurrentBottomRoundness() == 0.0f && getCurrentTopRoundness() == 0.0f;
     }
 
-    public boolean isShowingAmbient() {
-        return mShowAmbient;
+    public boolean isOnAmbient() {
+        return mOnAmbient;
     }
 
     public void setAboveShelf(boolean aboveShelf) {
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/NotificationContentView.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/NotificationContentView.java
index 0110610..4963a0c 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/NotificationContentView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/NotificationContentView.java
@@ -725,7 +725,7 @@
     }
 
     public int getMaxHeight() {
-        if (mContainingNotification.isShowingAmbient()) {
+        if (mContainingNotification.isOnAmbient()) {
             return getShowingAmbientView().getHeight();
         } else if (mExpandedChild != null) {
             return getViewHeight(VISIBLE_TYPE_EXPANDED)
@@ -752,7 +752,7 @@
     }
 
     public int getMinHeight(boolean likeGroupExpanded) {
-        if (mContainingNotification.isShowingAmbient()) {
+        if (mContainingNotification.isOnAmbient()) {
             return getShowingAmbientView().getHeight();
         } else if (likeGroupExpanded || !mIsChildInGroup || isGroupExpanded()) {
             return getViewHeight(VISIBLE_TYPE_CONTRACTED);
@@ -1039,7 +1039,7 @@
      * @return one of the static enum types in this view, calculated form the current state
      */
     public int calculateVisibleType() {
-        if (mContainingNotification.isShowingAmbient()) {
+        if (mContainingNotification.isOnAmbient()) {
             if (mIsChildInGroup && mAmbientSingleLineChild != null) {
                 return VISIBLE_TYPE_AMBIENT_SINGLELINE;
             } else if (mAmbientChild != null) {
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/AmbientState.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/AmbientState.java
index 15eaaac..8969aca 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/AmbientState.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/AmbientState.java
@@ -20,14 +20,15 @@
 import android.content.Context;
 import android.view.View;
 
+import com.android.systemui.Dependency;
 import com.android.systemui.R;
 import com.android.systemui.statusbar.StatusBarState;
+import com.android.systemui.statusbar.AmbientPulseManager;
 import com.android.systemui.statusbar.notification.row.ActivatableNotificationView;
 import com.android.systemui.statusbar.notification.row.ExpandableNotificationRow;
 import com.android.systemui.statusbar.notification.row.ExpandableView;
 import com.android.systemui.statusbar.notification.NotificationData;
 import com.android.systemui.statusbar.NotificationShelf;
-import com.android.systemui.statusbar.policy.HeadsUpManager;
 
 import java.util.ArrayList;
 
@@ -44,7 +45,7 @@
     private int mSpeedBumpIndex = -1;
     private boolean mDark;
     private boolean mHideSensitive;
-    private HeadsUpManager mHeadsUpManager;
+    private AmbientPulseManager mAmbientPulseManager = Dependency.get(AmbientPulseManager.class);
     private float mStackTranslation;
     private int mLayoutHeight;
     private int mTopPadding;
@@ -207,10 +208,6 @@
         mSpeedBumpIndex = shelfIndex;
     }
 
-    public void setHeadsUpManager(HeadsUpManager headsUpManager) {
-        mHeadsUpManager = headsUpManager;
-    }
-
     public float getStackTranslation() {
         return mStackTranslation;
     }
@@ -334,10 +331,10 @@
     }
 
     public boolean isPulsing(NotificationData.Entry entry) {
-        if (!mPulsing || mHeadsUpManager == null) {
+        if (!mPulsing || mAmbientPulseManager == null) {
             return false;
         }
-        return mHeadsUpManager.getAllEntries().anyMatch(e -> (e == entry));
+        return mAmbientPulseManager.isAlerting(entry.key);
     }
 
     public boolean isPanelTracking() {
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationChildrenContainer.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationChildrenContainer.java
index 3d44e3c..da089b3 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationChildrenContainer.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationChildrenContainer.java
@@ -213,7 +213,7 @@
             // calculated correctly as they are used to calculate how many we can fit on the screen.
             boolean isOverflow = i == overflowIndex;
             child.setSingleLineWidthIndention(isOverflow && mOverflowNumber != null &&
-                    !mContainingNotification.isShowingAmbient()
+                    !mContainingNotification.isOnAmbient()
                     ? mOverflowNumber.getMeasuredWidth() : 0);
             child.measure(widthMeasureSpec, newHeightSpec);
             // layout the divider
@@ -406,7 +406,7 @@
         if (childCount > maxAllowedVisibleChildren) {
             int number = childCount - maxAllowedVisibleChildren;
             mOverflowNumber = mHybridGroupManager.bindOverflowNumber(mOverflowNumber, number);
-            if (mContainingNotification.isShowingAmbient()) {
+            if (mContainingNotification.isOnAmbient()) {
                 ExpandableNotificationRow overflowView = mChildren.get(0);
                 HybridNotificationView ambientSingleLineView = overflowView == null ? null
                         : overflowView.getAmbientSingleLineView();
@@ -522,7 +522,7 @@
         if (mUserLocked) {
             expandFactor = getGroupExpandFraction();
         }
-        boolean childrenExpanded = mChildrenExpanded || mContainingNotification.isShowingAmbient();
+        boolean childrenExpanded = mChildrenExpanded || mContainingNotification.isOnAmbient();
         for (int i = 0; i < childCount; i++) {
             if (visibleChildren >= maxAllowedVisibleChildren) {
                 break;
@@ -641,7 +641,7 @@
                     getMaxAllowedVisibleChildren(true /* likeCollapsed */), childCount) - 1);
             mGroupOverFlowState.copyFrom(resultState.getViewStateForView(overflowView));
 
-            if (mContainingNotification.isShowingAmbient()) {
+            if (mContainingNotification.isOnAmbient()) {
                 mGroupOverFlowState.alpha = 0.0f;
             } else if (!mChildrenExpanded) {
                 HybridNotificationView alignView = overflowView.getSingleLineView();
@@ -710,7 +710,7 @@
 
     @VisibleForTesting
     int getMaxAllowedVisibleChildren(boolean likeCollapsed) {
-        if (mContainingNotification.isShowingAmbient()) {
+        if (mContainingNotification.isOnAmbient()) {
             return NUMBER_OF_CHILDREN_WHEN_AMBIENT;
         }
         if (!likeCollapsed && (mChildrenExpanded || mContainingNotification.isUserLocked())
@@ -900,7 +900,7 @@
         return mCurrentHeader;
     }
 
-    public void notifyShowAmbientChanged() {
+    public void notifyDozingStateChanged() {
         updateHeaderVisibility(false);
         updateGroupOverflow();
     }
@@ -970,7 +970,7 @@
 
     private ViewGroup calculateDesiredHeader() {
         ViewGroup desiredHeader;
-        if (mContainingNotification.isShowingAmbient()) {
+        if (mContainingNotification.isOnAmbient()) {
             desiredHeader = mNotificationHeaderAmbient;
         } else if (showingAsLowPriority()) {
             desiredHeader = mNotificationHeaderLowPriority;
@@ -1126,7 +1126,7 @@
     }
 
     public int getMinHeight() {
-        return getMinHeight(mContainingNotification.isShowingAmbient()
+        return getMinHeight(mContainingNotification.isOnAmbient()
                 ? NUMBER_OF_CHILDREN_WHEN_AMBIENT
                 : NUMBER_OF_CHILDREN_WHEN_COLLAPSED, false /* likeHighPriority */);
     }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayout.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayout.java
index da98565..958a162 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayout.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayout.java
@@ -4828,7 +4828,6 @@
     @ShadeViewRefactor(RefactorComponent.SHADE_VIEW)
     public void setHeadsUpManager(HeadsUpManagerPhone headsUpManager) {
         mHeadsUpManager = headsUpManager;
-        mAmbientState.setHeadsUpManager(headsUpManager);
         mHeadsUpManager.addListener(mRoundnessManager);
         mHeadsUpManager.setAnimationStateHandler(this);
     }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/DozeScrimController.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/DozeScrimController.java
index 0d3ba77..25db4f2 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/DozeScrimController.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/DozeScrimController.java
@@ -63,9 +63,14 @@
             if (!mDozing) {
                 return;
             }
-            mHandler.postDelayed(mPulseOut, mDozeParameters.getPulseVisibleDuration());
-            mHandler.postDelayed(mPulseOutExtended,
-                    mDozeParameters.getPulseVisibleDurationExtended());
+            // All pulses except notifications should time out on their own.  Pulses due to
+            // notifications should instead be managed externally based off the notification's
+            // lifetime.
+            if (mPulseReason != DozeLog.PULSE_REASON_NOTIFICATION) {
+                mHandler.postDelayed(mPulseOut, mDozeParameters.getPulseVisibleDuration());
+                mHandler.postDelayed(mPulseOutExtended,
+                        mDozeParameters.getPulseVisibleDurationExtended());
+            }
             mFullyPulsing = true;
         }
 
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/HeadsUpManagerPhone.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/HeadsUpManagerPhone.java
index 4a05989..cfc3271 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/HeadsUpManagerPhone.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/HeadsUpManagerPhone.java
@@ -177,7 +177,7 @@
             mReleaseOnExpandFinish = false;
         } else {
             for (NotificationData.Entry entry : mEntriesToRemoveAfterExpand) {
-                if (contains(entry.key)) {
+                if (isAlerting(entry.key)) {
                     // Maybe the heads-up was removed already
                     removeAlertEntry(entry.key);
                 }
@@ -345,7 +345,7 @@
     public void onReorderingAllowed() {
         mAnimationStateHandler.setHeadsUpGoingAwayAnimationsAllowed(false);
         for (NotificationData.Entry entry : mEntriesToRemoveWhenReorderingAllowed) {
-            if (contains(entry.key)) {
+            if (isAlerting(entry.key)) {
                 // Maybe the heads-up was removed already
                 removeAlertEntry(entry.key);
             }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationGroupManager.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationGroupManager.java
index 6b6566c..c08366a 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationGroupManager.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationGroupManager.java
@@ -16,6 +16,7 @@
 
 package com.android.systemui.statusbar.phone;
 
+import android.annotation.NonNull;
 import android.app.Notification;
 import android.os.SystemClock;
 import android.service.notification.StatusBarNotification;
@@ -23,6 +24,9 @@
 import android.util.Log;
 
 import com.android.systemui.Dependency;
+import com.android.systemui.statusbar.AlertingNotificationManager;
+import com.android.systemui.statusbar.AmbientPulseManager;
+import com.android.systemui.statusbar.AmbientPulseManager.OnAmbientChangedListener;
 import com.android.systemui.statusbar.StatusBarState;
 import com.android.systemui.statusbar.StatusBarStateController.StateListener;
 import com.android.systemui.statusbar.notification.row.ExpandableNotificationRow;
@@ -43,15 +47,18 @@
 /**
  * A class to handle notifications and their corresponding groups.
  */
-public class NotificationGroupManager implements OnHeadsUpChangedListener {
+public class NotificationGroupManager implements OnHeadsUpChangedListener,
+        OnAmbientChangedListener {
 
     private static final String TAG = "NotificationGroupManager";
-    private static final long HEADS_UP_TRANSFER_TIMEOUT = 300;
+    private static final long ALERT_TRANSFER_TIMEOUT = 300;
     private final HashMap<String, NotificationGroup> mGroupMap = new HashMap<>();
     private OnGroupChangeListener mListener;
     private int mBarState = -1;
     private HashMap<String, StatusBarNotification> mIsolatedEntries = new HashMap<>();
     private HeadsUpManager mHeadsUpManager;
+    private AmbientPulseManager mAmbientPulseManager = Dependency.get(AmbientPulseManager.class);
+    private boolean mIsDozing;
     private boolean mIsUpdatingUnchangedGroup;
     private HashMap<String, NotificationData.Entry> mPendingNotifications;
 
@@ -162,40 +169,58 @@
                 mListener.onGroupCreatedFromChildren(group);
             }
         }
-        cleanUpHeadsUpStatesOnAdd(group, false /* addIsPending */);
+        cleanUpAlertStatesOnAdd(group, false /* addIsPending */);
     }
 
     public void onPendingEntryAdded(NotificationData.Entry shadeEntry) {
         String groupKey = getGroupKey(shadeEntry.notification);
         NotificationGroup group = mGroupMap.get(groupKey);
         if (group != null) {
-            cleanUpHeadsUpStatesOnAdd(group, true /* addIsPending */);
+            cleanUpAlertStatesOnAdd(group, true /* addIsPending */);
         }
     }
 
     /**
-     * Clean up the heads up states when a new child was added.
+     * Set whether or not the device is dozing.  This allows the group manager to reset some
+     * specific alert state logic based off when the state changes.
+     * @param isDozing if the device is dozing.
+     */
+    public void setDozing(boolean isDozing) {
+        if (mIsDozing != isDozing) {
+            for (NotificationGroup group : mGroupMap.values()) {
+                group.lastAlertTransfer = 0;
+                group.alertSummaryOnNextAddition = false;
+            }
+        }
+        mIsDozing = isDozing;
+    }
+
+    /**
+     * Clean up the alert states when a new child was added.
      * @param group The group where a view was added or will be added.
      * @param addIsPending True if is the addition still pending or false has it already been added.
      */
-    private void cleanUpHeadsUpStatesOnAdd(NotificationGroup group, boolean addIsPending) {
-        if (!addIsPending && group.hunSummaryOnNextAddition) {
-            if (!mHeadsUpManager.contains(group.summary.key)) {
-                mHeadsUpManager.showNotification(group.summary);
+    private void cleanUpAlertStatesOnAdd(NotificationGroup group, boolean addIsPending) {
+
+        AlertingNotificationManager alertManager =
+                mIsDozing ? mAmbientPulseManager : mHeadsUpManager;
+        if (!addIsPending && group.alertSummaryOnNextAddition) {
+            if (!alertManager.isAlerting(group.summary.key)) {
+                alertManager.showNotification(group.summary);
             }
-            group.hunSummaryOnNextAddition = false;
+            group.alertSummaryOnNextAddition = false;
         }
         // Because notification groups are not delivered as a whole unit, it may happen that a
         // group child gets added quite a bit after the summary got posted. Our guidance is, that
         // apps should always post the group summary as well and we'll hide it for them if the child
-        // is the only child in a group. Because of this, we also have to transfer heads up to the
-        // child, otherwise the invisible summary would be heads-upped.
+        // is the only child in a group. Because of this, we also have to transfer alert to the
+        // child, otherwise the invisible summary would be alerted.
         // This transfer to the child is not always correct in case the app has just posted another
         // child in addition to the existing one, but it hasn't arrived in systemUI yet. In such
-        // a scenario we would transfer the heads up to the old child and the wrong notification
-        // would be heads-upped. In oder to avoid this, we'll recover from this issue and hun the
+        // a scenario we would transfer the alert to the old child and the wrong notification
+        // would be alerted. In order to avoid this, we'll recover from this issue and alert the
         // summary again instead of the old child if it's within a certain timeout.
-        if (SystemClock.elapsedRealtime() - group.lastHeadsUpTransfer < HEADS_UP_TRANSFER_TIMEOUT) {
+        if (SystemClock.elapsedRealtime() - group.lastAlertTransfer < ALERT_TRANSFER_TIMEOUT) {
             if (!onlySummaryAlerts(group.summary)) {
                 return;
             }
@@ -215,26 +240,24 @@
             int size = children.size();
             for (int i = 0; i < size; i++) {
                 NotificationData.Entry entry = children.get(i);
-                if (onlySummaryAlerts(entry) && entry.row.isHeadsUp()) {
+                if (onlySummaryAlerts(entry) && alertManager.isAlerting(entry.key)) {
                     releasedChild = true;
-                    mHeadsUpManager.removeNotification(
-                            entry.key, true /* releaseImmediately */);
+                    alertManager.removeNotification(entry.key, true /* releaseImmediately */);
                 }
             }
             if (isolatedChild != null && onlySummaryAlerts(isolatedChild)
-                    && isolatedChild.row.isHeadsUp()) {
+                    && alertManager.isAlerting(isolatedChild.key)) {
                 releasedChild = true;
-                mHeadsUpManager.removeNotification(
-                        isolatedChild.key, true /* releaseImmediately */);
+                alertManager.removeNotification(isolatedChild.key, true /* releaseImmediately */);
             }
-            if (releasedChild && !mHeadsUpManager.contains(group.summary.key)) {
+            if (releasedChild && !alertManager.isAlerting(group.summary.key)) {
                 boolean notifyImmediately = (numChildren - numPendingChildren) > 1;
                 if (notifyImmediately) {
-                    mHeadsUpManager.showNotification(group.summary);
+                    alertManager.showNotification(group.summary);
                 } else {
-                    group.hunSummaryOnNextAddition = true;
+                    group.alertSummaryOnNextAddition = true;
                 }
-                group.lastHeadsUpTransfer = 0;
+                group.lastAlertTransfer = 0;
             }
         }
     }
@@ -264,8 +287,8 @@
     }
 
     private void onEntryBecomingChild(NotificationData.Entry entry) {
-        if (entry.row.isHeadsUp()) {
-            onHeadsUpStateChanged(entry, true);
+        if (shouldIsolate(entry)) {
+            isolateNotification(entry);
         }
     }
 
@@ -281,7 +304,11 @@
                         && hasIsolatedChildren(group)));
         if (prevSuppressed != group.suppressed) {
             if (group.suppressed) {
-                handleSuppressedSummaryHeadsUpped(group.summary);
+                if (mHeadsUpManager.isAlerting(group.summary.key)) {
+                    handleSuppressedSummaryAlerted(group.summary, mHeadsUpManager);
+                } else if (mAmbientPulseManager.isAlerting(group.summary.key)) {
+                    handleSuppressedSummaryAlerted(group.summary, mAmbientPulseManager);
+                }
             }
             if (!mIsUpdatingUnchangedGroup && mListener != null) {
                 mListener.onGroupsChanged();
@@ -495,54 +522,56 @@
     }
 
     @Override
+    public void onAmbientStateChanged(NotificationData.Entry entry, boolean isAmbient) {
+        onAlertStateChanged(entry, isAmbient, mAmbientPulseManager);
+    }
+
+    @Override
     public void onHeadsUpStateChanged(NotificationData.Entry entry, boolean isHeadsUp) {
+        onAlertStateChanged(entry, isHeadsUp, mHeadsUpManager);
+    }
+
+    private void onAlertStateChanged(NotificationData.Entry entry, boolean isAlerting,
+            AlertingNotificationManager alertManager) {
         final StatusBarNotification sbn = entry.notification;
-        if (entry.row.isHeadsUp()) {
-            if (shouldIsolate(sbn)) {
-                // We will be isolated now, so lets update the groups
-                onEntryRemovedInternal(entry, entry.notification);
-
-                mIsolatedEntries.put(sbn.getKey(), sbn);
-
-                onEntryAdded(entry);
-                // We also need to update the suppression of the old group, because this call comes
-                // even before the groupManager knows about the notification at all.
-                // When the notification gets added afterwards it is already isolated and therefore
-                // it doesn't lead to an update.
-                updateSuppression(mGroupMap.get(entry.notification.getGroupKey()));
-                mListener.onGroupsChanged();
-            } else {
-                handleSuppressedSummaryHeadsUpped(entry);
+        if (isAlerting) {
+            if (shouldIsolate(entry)) {
+                isolateNotification(entry);
+            } else if (sbn.getNotification().isGroupSummary()
+                    && isGroupSuppressed(sbn.getGroupKey())){
+                handleSuppressedSummaryAlerted(entry, alertManager);
             }
         } else {
-            if (mIsolatedEntries.containsKey(sbn.getKey())) {
-                // not isolated anymore, we need to update the groups
-                onEntryRemovedInternal(entry, entry.notification);
-                mIsolatedEntries.remove(sbn.getKey());
-                onEntryAdded(entry);
-                mListener.onGroupsChanged();
-            }
+            stopIsolatingNotification(entry);
         }
     }
 
-    private void handleSuppressedSummaryHeadsUpped(NotificationData.Entry entry) {
-        StatusBarNotification sbn = entry.notification;
+    /**
+     * Handles the scenario where a summary that has been suppressed is alerted.  A suppressed
+     * summary should for all intents and purposes be invisible to the user and as a result should
+     * not alert.  When this is the case, it is our responsibility to pass the alert to the
+     * appropriate child which will be the representative notification alerting for the group.
+     * @param summary the summary that is suppressed and alerting
+     * @param alertManager the alert manager that manages the alerting summary
+     */
+    private void handleSuppressedSummaryAlerted(@NonNull NotificationData.Entry summary,
+            @NonNull AlertingNotificationManager alertManager) {
+        StatusBarNotification sbn = summary.notification;
         if (!isGroupSuppressed(sbn.getGroupKey())
                 || !sbn.getNotification().isGroupSummary()
-                || !entry.row.isHeadsUp()) {
+                || !alertManager.isAlerting(sbn.getKey())) {
             return;
         }
 
-        // The parent of a suppressed group got huned, lets hun the child!
+        // The parent of a suppressed group got alerted, lets alert the child!
         NotificationGroup notificationGroup = mGroupMap.get(sbn.getGroupKey());
 
-        if (pendingInflationsWillAddChildren(notificationGroup)) {
-            // New children will actually be added to this group, let's not transfer the heads
-            // up
-            return;
-        }
-
         if (notificationGroup != null) {
+            if (pendingInflationsWillAddChildren(notificationGroup)) {
+                // New children will actually be added to this group, let's not transfer the alert.
+                return;
+            }
+
             Iterator<NotificationData.Entry> iterator
                     = notificationGroup.children.values().iterator();
             NotificationData.Entry child = iterator.hasNext() ? iterator.next() : null;
@@ -551,20 +580,35 @@
             }
             if (child != null) {
                 if (child.row.keepInParent() || child.row.isRemoved() || child.row.isDismissed()) {
-                    // the notification is actually already removed, no need to do heads-up on it.
+                    // the notification is actually already removed, no need to do alert on it.
                     return;
                 }
-                if (mHeadsUpManager.contains(child.key)) {
-                    mHeadsUpManager.updateNotification(child.key, true /* alert */);
-                } else {
-                    if (onlySummaryAlerts(entry)) {
-                        notificationGroup.lastHeadsUpTransfer = SystemClock.elapsedRealtime();
-                    }
-                    mHeadsUpManager.showNotification(child);
-                }
+                transferAlertStateToChild(summary, child, alertManager);
             }
         }
-        mHeadsUpManager.removeNotification(entry.key, true /* releaseImmediately */);
+    }
+
+    /**
+     * Transfers the alert state from a given summary notification to the specified child.  The
+     * result is the child will now alert while the summary does not.
+     *
+     * @param summary the currently alerting summary notification
+     * @param child the child that should receive the alert
+     * @param alertManager the manager for the alert
+     */
+    private void transferAlertStateToChild(@NonNull NotificationData.Entry summary,
+            @NonNull NotificationData.Entry child,
+            @NonNull AlertingNotificationManager alertManager) {
+        NotificationGroup notificationGroup = mGroupMap.get(summary.notification.getGroupKey());
+        if (alertManager.isAlerting(child.key)) {
+            alertManager.updateNotification(child.key, true /* alert */);
+        } else {
+            if (onlySummaryAlerts(summary)) {
+                notificationGroup.lastAlertTransfer = SystemClock.elapsedRealtime();
+            }
+            alertManager.showNotification(child);
+        }
+        alertManager.removeNotification(summary.key, true /* releaseImmediately */);
     }
 
     private boolean onlySummaryAlerts(NotificationData.Entry entry) {
@@ -596,13 +640,69 @@
         return false;
     }
 
-    private boolean shouldIsolate(StatusBarNotification sbn) {
+    /**
+     * Whether a notification that is normally part of a group should be temporarily isolated from
+     * the group and put in their own group visually.  This generally happens when the notification
+     * is alerting.
+     *
+     * @param entry the notification to check
+     * @return true if the entry should be isolated
+     */
+
+    private boolean shouldIsolate(NotificationData.Entry entry) {
+        StatusBarNotification sbn = entry.notification;
         NotificationGroup notificationGroup = mGroupMap.get(sbn.getGroupKey());
-        return (sbn.isGroup() && !sbn.getNotification().isGroupSummary())
-                && (sbn.getNotification().fullScreenIntent != null
-                        || notificationGroup == null
-                        || !notificationGroup.expanded
-                        || isGroupNotFullyVisible(notificationGroup));
+        if (!sbn.isGroup() || sbn.getNotification().isGroupSummary()) {
+            return false;
+        }
+        if (!mIsDozing && !mHeadsUpManager.isAlerting(entry.key)) {
+            return false;
+        }
+        if (mIsDozing && !mAmbientPulseManager.isAlerting(entry.key)) {
+            return false;
+        }
+        return (sbn.getNotification().fullScreenIntent != null
+                    || notificationGroup == null
+                    || !notificationGroup.expanded
+                    || isGroupNotFullyVisible(notificationGroup));
+    }
+
+    /**
+     * Isolate a notification from its group so that it visually shows as its own group.
+     *
+     * @param entry the notification to isolate
+     */
+    private void isolateNotification(NotificationData.Entry entry) {
+        StatusBarNotification sbn = entry.notification;
+
+        // We will be isolated now, so lets update the groups
+        onEntryRemovedInternal(entry, entry.notification);
+
+        mIsolatedEntries.put(sbn.getKey(), sbn);
+
+        onEntryAdded(entry);
+        // We also need to update the suppression of the old group, because this call comes
+        // even before the groupManager knows about the notification at all.
+        // When the notification gets added afterwards it is already isolated and therefore
+        // it doesn't lead to an update.
+        updateSuppression(mGroupMap.get(entry.notification.getGroupKey()));
+        mListener.onGroupsChanged();
+    }
+
+    /**
+     * Stop isolating a notification and re-group it with its original logical group.
+     *
+     * @param entry the notification to un-isolate
+     */
+    private void stopIsolatingNotification(NotificationData.Entry entry) {
+        StatusBarNotification sbn = entry.notification;
+        if (mIsolatedEntries.containsKey(sbn.getKey())) {
+            // not isolated anymore, we need to update the groups
+            onEntryRemovedInternal(entry, entry.notification);
+            mIsolatedEntries.remove(sbn.getKey());
+            onEntryAdded(entry);
+            mListener.onGroupsChanged();
+        }
     }
 
     private boolean isGroupNotFullyVisible(NotificationGroup notificationGroup) {
@@ -641,11 +741,11 @@
          */
         public boolean suppressed;
         /**
-         * The time when the last heads transfer from group to child happened, while the summary
-         * has the flags to heads up on its own.
+         * The time when the last alert transfer from group to child happened, while the summary
+         * has the flags to alert up on its own.
          */
-        public long lastHeadsUpTransfer;
-        public boolean hunSummaryOnNextAddition;
+        public long lastAlertTransfer;
+        public boolean alertSummaryOnNextAddition;
 
         @Override
         public String toString() {
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 759e8ea..e1d8638 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBar.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBar.java
@@ -187,6 +187,7 @@
 import com.android.systemui.stackdivider.Divider;
 import com.android.systemui.stackdivider.WindowManagerProxy;
 import com.android.systemui.statusbar.StatusBarState;
+import com.android.systemui.statusbar.AmbientPulseManager;
 import com.android.systemui.statusbar.notification.row.ActivatableNotificationView;
 import com.android.systemui.statusbar.notification.AppOpsListener;
 import com.android.systemui.statusbar.BackDropView;
@@ -254,7 +255,7 @@
         ActivityStarter, OnUnlockMethodChangedListener,
         OnHeadsUpChangedListener, CommandQueue.Callbacks, ZenModeController.Callback,
         ColorExtractor.OnColorsChangedListener, ConfigurationListener, NotificationPresenter,
-        StatusBarStateController.StateListener {
+        StatusBarStateController.StateListener,  AmbientPulseManager.OnAmbientChangedListener {
     public static final boolean MULTIUSER_DEBUG = false;
 
     public static final boolean ENABLE_CHILD_NOTIFICATIONS
@@ -865,6 +866,8 @@
         mHeadsUpManager.addListener(mNotificationPanel);
         mHeadsUpManager.addListener(mGroupManager);
         mHeadsUpManager.addListener(mVisualStabilityManager);
+        mAmbientPulseManager.addListener(this);
+        mAmbientPulseManager.addListener(mGroupManager);
         mNotificationPanel.setHeadsUpManager(mHeadsUpManager);
         mGroupManager.setHeadsUpManager(mHeadsUpManager);
         putComponent(HeadsUpManager.class, mHeadsUpManager);
@@ -1233,7 +1236,7 @@
     @Override
     public void onPerformRemoveNotification(StatusBarNotification n) {
         if (mNotificationPanel.hasPulsingNotifications() &&
-                    !mHeadsUpManager.hasNotifications()) {
+                    !mAmbientPulseManager.hasNotifications()) {
             // We were showing a pulse for a notification, but no notifications are pulsing anymore.
             // Finish the pulse.
             mDozeScrimController.pulseOutNow();
@@ -1697,8 +1700,12 @@
     }
 
     @Override
-    public boolean shouldPeek(Entry entry, StatusBarNotification sbn) {
-        if (mIsOccluded && !isDozing()) {
+    public boolean canHeadsUp(Entry entry, StatusBarNotification sbn) {
+        if (isDozing()) {
+            return false;
+        }
+
+        if (mIsOccluded) {
             boolean devicePublic = mLockscreenUserManager.
                     isLockscreenPublicMode(mLockscreenUserManager.getCurrentUserId());
             boolean userPublic = devicePublic
@@ -1711,17 +1718,14 @@
 
         if (!panelsEnabled()) {
             if (DEBUG) {
-                Log.d(TAG, "No peeking: disabled panel : " + sbn.getKey());
+                Log.d(TAG, "No heads up: disabled panel : " + sbn.getKey());
             }
             return false;
         }
 
         if (sbn.getNotification().fullScreenIntent != null) {
             if (mAccessibilityManager.isTouchExplorationEnabled()) {
-                if (DEBUG) Log.d(TAG, "No peeking: accessible fullscreen: " + sbn.getKey());
-                return false;
-            } else if (isDozing()) {
-                // We never want heads up when we are dozing.
+                if (DEBUG) Log.d(TAG, "No heads up: accessible fullscreen: " + sbn.getKey());
                 return false;
             } else {
                 // we only allow head-up on the lockscreen if it doesn't have a fullscreen intent
@@ -1797,9 +1801,16 @@
     @Override
     public void onHeadsUpStateChanged(Entry entry, boolean isHeadsUp) {
         mEntryManager.updateNotificationRanking(null /* rankingMap */);
+    }
 
-        if (isHeadsUp) {
-            mDozeServiceHost.fireNotificationHeadsUp();
+    @Override
+    public void onAmbientStateChanged(Entry entry, boolean isAmbient) {
+        mEntryManager.updateNotificationRanking(null);
+        if (isAmbient) {
+            mDozeServiceHost.fireNotificationPulse();
+        } else if (!mAmbientPulseManager.hasNotifications()) {
+            // There are no longer any notifications to show.  We should end the pulse now.
+            mDozeScrimController.pulseOutNow();
         }
     }
 
@@ -3603,6 +3614,7 @@
         mKeyguardIndicationController.setDozing(mDozing);
         mNotificationPanel.setDozing(mDozing, animate, mWakeUpTouchLocation);
         mNotificationLogger.setDozing(mDozing);
+        mGroupManager.setDozing(mDozing);
         updateQsExpansionEnabled();
         Trace.endSection();
     }
@@ -4149,6 +4161,7 @@
         @Override
         public void onStartedWakingUp() {
             mDeviceInteractive = true;
+            mAmbientPulseManager.releaseAllImmediately();
             mVisualStabilityManager.setScreenOn(true);
             mNotificationPanel.setTouchAndAnimationDisabled(false);
             mDozeServiceHost.stopDozing();
@@ -4181,11 +4194,7 @@
         public void onScreenTurnedOff() {
             mFalsingManager.onScreenOff();
             mScrimController.onScreenTurnedOff();
-            // If we pulse in from AOD, we turn the screen off first. However, updatingIsKeyguard
-            // in that case destroys the HeadsUpManager state, so don't do it in that case.
-            if (!isPulsing()) {
-                updateIsKeyguard();
-            }
+            updateIsKeyguard();
         }
     };
 
@@ -4424,9 +4433,9 @@
             }
         }
 
-        public void fireNotificationHeadsUp() {
+        public void fireNotificationPulse() {
             for (Callback callback : mCallbacks) {
-                callback.onNotificationHeadsUp();
+                callback.onNotificationAlerted();
             }
         }
 
@@ -4462,7 +4471,7 @@
                 @Override
                 public void onPulseStarted() {
                     callback.onPulseStarted();
-                    if (mHeadsUpManager.hasNotifications()) {
+                    if (mAmbientPulseManager.hasNotifications()) {
                         // Only pulse the stack scroller if there's actually something to show.
                         // Otherwise just show the always-on screen.
                         setPulsing(true);
@@ -4543,7 +4552,11 @@
 
         @Override
         public void extendPulse() {
-            mDozeScrimController.extendPulse();
+            if (mDozeScrimController.isPulsing() && mAmbientPulseManager.hasNotifications()) {
+                mAmbientPulseManager.extendPulse();
+            } else {
+                mDozeScrimController.extendPulse();
+            }
         }
 
         @Override
@@ -4629,6 +4642,8 @@
     // for heads up notifications
     protected HeadsUpManagerPhone mHeadsUpManager;
 
+    protected AmbientPulseManager mAmbientPulseManager = Dependency.get(AmbientPulseManager.class);
+
     private AboveShelfObserver mAboveShelfObserver;
 
     // handling reordering
@@ -4734,7 +4749,7 @@
         final boolean wasOccluded = mIsOccluded;
         dismissKeyguardThenExecute(() -> {
             // TODO: Some of this code may be able to move to NotificationEntryManager.
-            if (mHeadsUpManager != null && mHeadsUpManager.contains(notificationKey)) {
+            if (mHeadsUpManager != null && mHeadsUpManager.isAlerting(notificationKey)) {
                 // Release the HUN notification to the shade.
 
                 if (isPresenterFullyCollapsed()) {
diff --git a/packages/SystemUI/tests/src/com/android/systemui/doze/DozeTriggersTest.java b/packages/SystemUI/tests/src/com/android/systemui/doze/DozeTriggersTest.java
index c2da7f5..5c8336c 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/doze/DozeTriggersTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/doze/DozeTriggersTest.java
@@ -88,14 +88,14 @@
         mTriggers.transitionTo(DozeMachine.State.UNINITIALIZED, DozeMachine.State.INITIALIZED);
         mTriggers.transitionTo(DozeMachine.State.INITIALIZED, DozeMachine.State.DOZE);
 
-        mHost.callback.onNotificationHeadsUp();
+        mHost.callback.onNotificationAlerted();
 
         mSensors.getMockProximitySensor().sendProximityResult(false); /* Near */
 
         verify(mMachine, never()).requestState(any());
         verify(mMachine, never()).requestPulse(anyInt());
 
-        mHost.callback.onNotificationHeadsUp();
+        mHost.callback.onNotificationAlerted();
 
         mSensors.getMockProximitySensor().sendProximityResult(true); /* Far */
 
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/AlertingNotificationManagerTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/AlertingNotificationManagerTest.java
index f21ce27..8b41516 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/AlertingNotificationManagerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/AlertingNotificationManagerTest.java
@@ -56,19 +56,19 @@
     private static final String TEST_PACKAGE_NAME = "test";
     private static final int TEST_UID = 0;
 
-    private static final int TEST_MINIMUM_DISPLAY_TIME = 200;
-    private static final int TEST_AUTO_DISMISS_TIME = 500;
+    protected static final int TEST_MINIMUM_DISPLAY_TIME = 200;
+    protected static final int TEST_AUTO_DISMISS_TIME = 500;
     // Number of notifications to use in tests requiring multiple notifications
     private static final int TEST_NUM_NOTIFICATIONS = 4;
-    private static final int TEST_TIMEOUT_TIME = 10000;
-    private final Runnable TEST_TIMEOUT_RUNNABLE = () -> mTimedOut = true;
+    protected static final int TEST_TIMEOUT_TIME = 10000;
+    protected final Runnable TEST_TIMEOUT_RUNNABLE = () -> mTimedOut = true;
 
     private AlertingNotificationManager mAlertingNotificationManager;
 
     protected NotificationData.Entry mEntry;
     protected Handler mTestHandler;
     private StatusBarNotification mSbn;
-    private boolean mTimedOut = false;
+    protected boolean mTimedOut = false;
 
     @Mock protected ExpandableNotificationRow mRow;
 
@@ -122,7 +122,7 @@
     public void testShowNotification_addsEntry() {
         mAlertingNotificationManager.showNotification(mEntry);
 
-        assertTrue(mAlertingNotificationManager.contains(mEntry.key));
+        assertTrue(mAlertingNotificationManager.isAlerting(mEntry.key));
         assertTrue(mAlertingNotificationManager.hasNotifications());
         assertEquals(mEntry, mAlertingNotificationManager.getEntry(mEntry.key));
     }
@@ -136,7 +136,7 @@
         TestableLooper.get(this).processMessages(1);
 
         assertFalse("Test timed out", mTimedOut);
-        assertFalse(mAlertingNotificationManager.contains(mEntry.key));
+        assertFalse(mAlertingNotificationManager.isAlerting(mEntry.key));
     }
 
     @Test
@@ -146,7 +146,7 @@
         // Try to remove but defer, since the notification has not been shown long enough.
         mAlertingNotificationManager.removeNotification(mEntry.key, false /* releaseImmediately */);
 
-        assertTrue(mAlertingNotificationManager.contains(mEntry.key));
+        assertTrue(mAlertingNotificationManager.isAlerting(mEntry.key));
     }
 
     @Test
@@ -156,7 +156,7 @@
         // Remove forcibly with releaseImmediately = true.
         mAlertingNotificationManager.removeNotification(mEntry.key, true /* releaseImmediately */);
 
-        assertFalse(mAlertingNotificationManager.contains(mEntry.key));
+        assertFalse(mAlertingNotificationManager.isAlerting(mEntry.key));
     }
 
     @Test
@@ -174,10 +174,18 @@
     }
 
     @Test
-    public void testShouldExtendLifetime_notShownLongEnough() {
+    public void testCanRemoveImmediately_notShownLongEnough() {
         mAlertingNotificationManager.showNotification(mEntry);
 
-        // The entry has just been added so the lifetime should be extended
+        // The entry has just been added so we should not remove immediately.
+        assertFalse(mAlertingNotificationManager.canRemoveImmediately(mEntry.key));
+    }
+
+    @Test
+    public void testShouldExtendLifetime() {
+        mAlertingNotificationManager.showNotification(mEntry);
+
+        // While the entry is alerting, it should not be removable.
         assertTrue(mAlertingNotificationManager.shouldExtendLifetime(mEntry));
     }
 
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/AmbientPulseManagerTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/AmbientPulseManagerTest.java
new file mode 100644
index 0000000..f0344e6
--- /dev/null
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/AmbientPulseManagerTest.java
@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License
+ */
+
+package com.android.systemui.statusbar;
+
+import static junit.framework.Assert.assertFalse;
+import static junit.framework.Assert.assertTrue;
+
+import android.support.test.filters.SmallTest;
+import android.testing.AndroidTestingRunner;
+import android.testing.TestableLooper;
+
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.junit.MockitoJUnit;
+import org.mockito.junit.MockitoRule;
+
+@SmallTest
+@RunWith(AndroidTestingRunner.class)
+@TestableLooper.RunWithLooper
+public class AmbientPulseManagerTest extends AlertingNotificationManagerTest {
+    @Rule
+    public MockitoRule rule = MockitoJUnit.rule();
+
+    private static final int TEST_EXTENSION_TIME = 500;
+    private AmbientPulseManager mAmbientPulseManager;
+    private boolean mLivesPastNormalTime;
+
+    protected AlertingNotificationManager createAlertingNotificationManager() {
+        return mAmbientPulseManager;
+    }
+
+    @Before
+    public void setUp() {
+        mAmbientPulseManager = new AmbientPulseManager(mContext);
+        mAmbientPulseManager.mMinimumDisplayTime = TEST_MINIMUM_DISPLAY_TIME;
+        mAmbientPulseManager.mAutoDismissNotificationDecay = TEST_AUTO_DISMISS_TIME;
+        mAmbientPulseManager.mExtensionTime = TEST_EXTENSION_TIME;
+        super.setUp();
+        mAmbientPulseManager.mHandler = mTestHandler;
+    }
+
+    @Test
+    public void testExtendPulse() {
+        mAmbientPulseManager.showNotification(mEntry);
+        Runnable pastNormalTimeRunnable =
+                () -> mLivesPastNormalTime = mAmbientPulseManager.isAlerting(mEntry.key);
+        mTestHandler.postDelayed(pastNormalTimeRunnable,
+                mAmbientPulseManager.mAutoDismissNotificationDecay +
+                        mAmbientPulseManager.mExtensionTime / 2);
+        mTestHandler.postDelayed(TEST_TIMEOUT_RUNNABLE, TEST_TIMEOUT_TIME);
+
+        mAmbientPulseManager.extendPulse();
+
+        // Wait for normal time runnable and extended remove runnable and process them on arrival.
+        TestableLooper.get(this).processMessages(2);
+
+        assertFalse("Test timed out", mTimedOut);
+        assertTrue("Pulse was not extended", mLivesPastNormalTime);
+        assertFalse(mAmbientPulseManager.isAlerting(mEntry.key));
+    }
+}
+
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationTestHelper.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationTestHelper.java
index b2170fa..edf29ac 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationTestHelper.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationTestHelper.java
@@ -31,6 +31,7 @@
 import android.view.LayoutInflater;
 import android.widget.RemoteViews;
 
+import com.android.systemui.Dependency;
 import com.android.systemui.R;
 import com.android.systemui.statusbar.notification.NotificationData;
 import com.android.systemui.statusbar.notification.row.NotificationInflaterTest;
@@ -63,6 +64,7 @@
         mContext = context;
         mInstrumentation = InstrumentationRegistry.getInstrumentation();
         mHeadsUpManager = new HeadsUpManagerPhone(mContext, null, mGroupManager, null, null);
+        mGroupManager.setHeadsUpManager(mHeadsUpManager);
     }
 
     public ExpandableNotificationRow createRow() throws Exception {
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/stack/NotificationChildrenContainerTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/stack/NotificationChildrenContainerTest.java
index 087aa59..2728453 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/stack/NotificationChildrenContainerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/stack/NotificationChildrenContainerTest.java
@@ -17,7 +17,6 @@
 package com.android.systemui.statusbar.notification.stack;
 
 import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper.RunWithLooper;
 import android.view.NotificationHeaderView;
@@ -51,7 +50,7 @@
 
     @Test
     public void testGetMaxAllowedVisibleChildren_ambient() {
-        mGroup.setShowAmbient(true);
+        mGroup.setOnAmbient(true);
         Assert.assertEquals(mChildrenContainer.getMaxAllowedVisibleChildren(),
             NotificationChildrenContainer.NUMBER_OF_CHILDREN_WHEN_AMBIENT);
     }
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/HeadsUpManagerPhoneTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/HeadsUpManagerPhoneTest.java
index a81d17f..1070795 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/HeadsUpManagerPhoneTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/HeadsUpManagerPhoneTest.java
@@ -82,28 +82,26 @@
         // Remove should succeed because the notification is swiped out
         mHeadsUpManager.removeNotification(mEntry.key, false /* releaseImmediately */);
 
-        assertFalse(mHeadsUpManager.contains(mEntry.key));
+        assertFalse(mHeadsUpManager.isAlerting(mEntry.key));
     }
 
     @Test
-    public void testShouldExtendLifetime_swipedOut() {
+    public void testCanRemoveImmediately_swipedOut() {
         mHeadsUpManager.showNotification(mEntry);
         mHeadsUpManager.addSwipedOutNotification(mEntry.key);
 
-        // Notification is swiped so its lifetime should not be extended even if it hasn't been
-        // shown long enough
-        assertFalse(mHeadsUpManager.shouldExtendLifetime(mEntry));
+        // Notification is swiped so it can be immediately removed.
+        assertTrue(mHeadsUpManager.canRemoveImmediately(mEntry.key));
     }
 
     @Test
-    public void testShouldExtendLifetime_notTopEntry() {
+    public void testCanRemoveImmediately_notTopEntry() {
         NotificationData.Entry laterEntry = new NotificationData.Entry(createNewNotification(1));
         laterEntry.row = mRow;
         mHeadsUpManager.showNotification(mEntry);
         mHeadsUpManager.showNotification(laterEntry);
 
-        // Notification is "behind" a higher priority notification so we have no reason to keep
-        // its lifetime extended
-        assertFalse(mHeadsUpManager.shouldExtendLifetime(mEntry));
+        // Notification is "behind" a higher priority notification so we can remove it immediately.
+        assertTrue(mHeadsUpManager.canRemoveImmediately(mEntry.key));
     }
 }
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/NotificationGroupManagerTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/NotificationGroupManagerTest.java
index 6a3c8a8..464f74b 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/NotificationGroupManagerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/NotificationGroupManagerTest.java
@@ -36,6 +36,7 @@
 
 import com.android.systemui.R;
 import com.android.systemui.SysuiTestCase;
+import com.android.systemui.statusbar.AmbientPulseManager;
 import com.android.systemui.statusbar.notification.NotificationData;
 import com.android.systemui.statusbar.notification.row.ExpandableNotificationRow;
 import com.android.systemui.statusbar.phone.NotificationGroupManager.OnGroupChangeListener;
@@ -60,15 +61,23 @@
     private static final String TEST_CHANNEL_ID = "test_channel";
     private static final String TEST_GROUP_ID = "test_group";
     private static final String TEST_PACKAGE_NAME = "test_pkg";
-    private NotificationGroupManager mGroupManager = new NotificationGroupManager();
+    private NotificationGroupManager mGroupManager;
     private int mId = 0;
 
     @Mock HeadsUpManager mHeadsUpManager;
+    @Mock AmbientPulseManager mAmbientPulseManager;
 
     @Before
     public void setup() {
-         mGroupManager.setHeadsUpManager(mHeadsUpManager);
-         mGroupManager.setOnGroupChangeListener(mock(OnGroupChangeListener.class));
+        mDependency.injectTestDependency(AmbientPulseManager.class, mAmbientPulseManager);
+
+        initializeGroupManager();
+    }
+
+    private void initializeGroupManager() {
+        mGroupManager = new NotificationGroupManager();
+        mGroupManager.setHeadsUpManager(mHeadsUpManager);
+        mGroupManager.setOnGroupChangeListener(mock(OnGroupChangeListener.class));
     }
 
     @Test
@@ -141,8 +150,7 @@
         mGroupManager.onEntryAdded(summaryEntry);
         mGroupManager.onEntryAdded(childEntry);
         mGroupManager.onEntryAdded(createChildNotification());
-        when(childEntry.row.isHeadsUp()).thenReturn(true);
-        when(mHeadsUpManager.contains(childEntry.key)).thenReturn(true);
+        when(mHeadsUpManager.isAlerting(childEntry.key)).thenReturn(true);
 
         mGroupManager.onHeadsUpStateChanged(childEntry, true);
 
@@ -154,17 +162,35 @@
     }
 
     @Test
+    public void testAmbientPulseEntryIsIsolated() {
+        mGroupManager.setDozing(true);
+        NotificationData.Entry childEntry = createChildNotification();
+        NotificationData.Entry summaryEntry = createSummaryNotification();
+        mGroupManager.onEntryAdded(summaryEntry);
+        mGroupManager.onEntryAdded(childEntry);
+        mGroupManager.onEntryAdded(createChildNotification());
+        when(mAmbientPulseManager.isAlerting(childEntry.key)).thenReturn(true);
+
+        mGroupManager.onAmbientStateChanged(childEntry, true);
+
+        // Child entries that are heads upped should be considered separate groups visually even if
+        // they are the same group logically
+        assertEquals(childEntry.row, mGroupManager.getGroupSummary(childEntry.notification));
+        assertEquals(summaryEntry.row,
+                mGroupManager.getLogicalGroupSummary(childEntry.notification));
+    }
+
+    @Test
     public void testSuppressedSummaryHeadsUpTransfersToChild() {
         NotificationData.Entry summaryEntry = createSummaryNotification();
-        when(summaryEntry.row.isHeadsUp()).thenReturn(true);
-        when(mHeadsUpManager.contains(summaryEntry.key)).thenReturn(true);
+        when(mHeadsUpManager.isAlerting(summaryEntry.key)).thenReturn(true);
         NotificationData.Entry childEntry = createChildNotification();
 
-        // Summary will be suppressed because there is only one child
+        // Summary will be suppressed because there is only one child.
         mGroupManager.onEntryAdded(summaryEntry);
         mGroupManager.onEntryAdded(childEntry);
 
-        // A suppressed summary should transfer its heads up state to the child
+        // A suppressed summary should transfer its heads up state to the child.
         verify(mHeadsUpManager, never()).showNotification(summaryEntry);
         verify(mHeadsUpManager).showNotification(childEntry);
     }
@@ -175,24 +201,64 @@
         mGroupManager.setHeadsUpManager(mHeadsUpManager);
         NotificationData.Entry summaryEntry =
                 createSummaryNotification(Notification.GROUP_ALERT_SUMMARY);
-        when(summaryEntry.row.isHeadsUp()).thenReturn(true);
         NotificationData.Entry childEntry =
                 createChildNotification(Notification.GROUP_ALERT_SUMMARY);
         NotificationData.Entry childEntry2 =
                 createChildNotification(Notification.GROUP_ALERT_SUMMARY);
+        mHeadsUpManager.showNotification(summaryEntry);
         // Trigger a transfer of heads up state from summary to child.
         mGroupManager.onEntryAdded(summaryEntry);
         mGroupManager.onEntryAdded(childEntry);
-        when(summaryEntry.row.isHeadsUp()).thenReturn(false);
-        when(childEntry.row.isHeadsUp()).thenReturn(true);
 
         // Add second child notification so that summary is no longer suppressed.
         mGroupManager.onEntryAdded(childEntry2);
 
         // The heads up state should transfer back to the summary as there is now more than one
         // child and the summary should no longer be suppressed.
-        assertTrue(mHeadsUpManager.contains(summaryEntry.key));
-        assertFalse(mHeadsUpManager.contains(childEntry.key));
+        assertTrue(mHeadsUpManager.isAlerting(summaryEntry.key));
+        assertFalse(mHeadsUpManager.isAlerting(childEntry.key));
+    }
+
+    @Test
+    public void testSuppressedSummaryAmbientPulseTransfersToChild() {
+        mGroupManager.setDozing(true);
+        NotificationData.Entry summaryEntry = createSummaryNotification();
+        when(mAmbientPulseManager.isAlerting(summaryEntry.key)).thenReturn(true);
+        NotificationData.Entry childEntry = createChildNotification();
+
+        // Summary will be suppressed because there is only one child.
+        mGroupManager.onEntryAdded(summaryEntry);
+        mGroupManager.onEntryAdded(childEntry);
+
+        // A suppressed summary should transfer its ambient state to the child.
+        verify(mAmbientPulseManager, never()).showNotification(summaryEntry);
+        verify(mAmbientPulseManager).showNotification(childEntry);
+    }
+
+    @Test
+    public void testSuppressedSummaryAmbientPulseTransfersToChildButBackAgain() {
+        mGroupManager.setDozing(true);
+        mAmbientPulseManager = new AmbientPulseManager(mContext);
+        mDependency.injectTestDependency(AmbientPulseManager.class, mAmbientPulseManager);
+        initializeGroupManager();
+        NotificationData.Entry summaryEntry =
+                createSummaryNotification(Notification.GROUP_ALERT_SUMMARY);
+        NotificationData.Entry childEntry =
+                createChildNotification(Notification.GROUP_ALERT_SUMMARY);
+        NotificationData.Entry childEntry2 =
+                createChildNotification(Notification.GROUP_ALERT_SUMMARY);
+        mAmbientPulseManager.showNotification(summaryEntry);
+        // Trigger a transfer of ambient state from summary to child.
+        mGroupManager.onEntryAdded(summaryEntry);
+        mGroupManager.onEntryAdded(childEntry);
+
+        // Add second child notification so that summary is no longer suppressed.
+        mGroupManager.onEntryAdded(childEntry2);
+
+        // The ambient state should transfer back to the summary as there is now more than one
+        // child and the summary should no longer be suppressed.
+        assertTrue(mAmbientPulseManager.isAlerting(summaryEntry.key));
+        assertFalse(mAmbientPulseManager.isAlerting(childEntry.key));
     }
 
     private NotificationData.Entry createSummaryNotification() {
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/StatusBarTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/StatusBarTest.java
index cbba251..5006b0b 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/StatusBarTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/StatusBarTest.java
@@ -358,7 +358,7 @@
     }
 
     @Test
-    public void testShouldPeek_nonSuppressedGroupSummary() {
+    public void testShouldHeadsUp_nonSuppressedGroupSummary() {
         when(mPowerManager.isScreenOn()).thenReturn(true);
         when(mHeadsUpManager.isSnoozed(anyString())).thenReturn(false);
         when(mNotificationData.shouldSuppressStatusBar(any())).thenReturn(false);
@@ -375,11 +375,11 @@
                 UserHandle.of(0), null, 0);
         NotificationData.Entry entry = new NotificationData.Entry(sbn);
 
-        assertTrue(mEntryManager.shouldPeek(entry, sbn));
+        assertTrue(mEntryManager.shouldHeadsUp(entry));
     }
 
     @Test
-    public void testShouldPeek_suppressedGroupSummary() {
+    public void testShouldHeadsUp_suppressedGroupSummary() {
         when(mPowerManager.isScreenOn()).thenReturn(true);
         when(mHeadsUpManager.isSnoozed(anyString())).thenReturn(false);
         when(mNotificationData.shouldSuppressStatusBar(any())).thenReturn(false);
@@ -396,11 +396,11 @@
                 UserHandle.of(0), null, 0);
         NotificationData.Entry entry = new NotificationData.Entry(sbn);
 
-        assertFalse(mEntryManager.shouldPeek(entry, sbn));
+        assertFalse(mEntryManager.shouldHeadsUp(entry));
     }
 
     @Test
-    public void testShouldPeek_suppressedPeek() {
+    public void testShouldHeadsUp_suppressedHeadsUp() {
         when(mPowerManager.isScreenOn()).thenReturn(true);
         when(mHeadsUpManager.isSnoozed(anyString())).thenReturn(false);
         when(mNotificationData.shouldFilterOut(any())).thenReturn(false);
@@ -414,11 +414,11 @@
                 UserHandle.of(0), null, 0);
         NotificationData.Entry entry = new NotificationData.Entry(sbn);
 
-        assertFalse(mEntryManager.shouldPeek(entry, sbn));
+        assertFalse(mEntryManager.shouldHeadsUp(entry));
     }
 
     @Test
-    public void testShouldPeek_noSuppressedPeek() {
+    public void testShouldHeadsUp_noSuppressedHeadsUp() {
         when(mPowerManager.isScreenOn()).thenReturn(true);
         when(mHeadsUpManager.isSnoozed(anyString())).thenReturn(false);
         when(mNotificationData.shouldFilterOut(any())).thenReturn(false);
@@ -432,31 +432,31 @@
                 UserHandle.of(0), null, 0);
         NotificationData.Entry entry = new NotificationData.Entry(sbn);
 
-        assertTrue(mEntryManager.shouldPeek(entry, sbn));
+        assertTrue(mEntryManager.shouldHeadsUp(entry));
     }
 
     @Test
-    public void testPeek_disabledStatusBar() {
+    public void testHeadsUp_disabledStatusBar() {
         Notification n = new Notification.Builder(getContext(), "a").build();
         StatusBarNotification sbn = new StatusBarNotification("a", "a", 0, "a", 0, 0, n,
                 UserHandle.of(0), null, 0);
         NotificationData.Entry entry = new NotificationData.Entry(sbn);
         mStatusBar.disable(StatusBarManager.DISABLE_EXPAND, 0, false /* animate */);
 
-        assertFalse("The panel shouldn't allow peek while disabled",
-                mStatusBar.shouldPeek(entry, sbn));
+        assertFalse("The panel shouldn't allow heads up while disabled",
+                mStatusBar.canHeadsUp(entry, sbn));
     }
 
     @Test
-    public void testPeek_disabledNotificationShade() {
+    public void testHeadsUp_disabledNotificationShade() {
         Notification n = new Notification.Builder(getContext(), "a").build();
         StatusBarNotification sbn = new StatusBarNotification("a", "a", 0, "a", 0, 0, n,
                 UserHandle.of(0), null, 0);
         NotificationData.Entry entry = new NotificationData.Entry(sbn);
         mStatusBar.disable(0, StatusBarManager.DISABLE2_NOTIFICATION_SHADE, false /* animate */);
 
-        assertFalse("The panel shouldn't allow peek while notitifcation shade disabled",
-                mStatusBar.shouldPeek(entry, sbn));
+        assertFalse("The panel shouldn't allow heads up while notification shade disabled",
+                mStatusBar.canHeadsUp(entry, sbn));
     }
 
     @Test
@@ -472,7 +472,7 @@
     }
 
     @Test
-    public void testPanelOpenForPeek() {
+    public void testPanelOpenForHeadsUp() {
         when(mHeadsUpManager.hasPinnedHeadsUp()).thenReturn(true);
         when(mNotificationData.getActiveNotifications()).thenReturn(mNotificationList);
         when(mNotificationList.size()).thenReturn(5);