Merge cherrypicks of ['googleplex-android-review.googlesource.com/22688474', 'googleplex-android-review.googlesource.com/22721990', 'googleplex-android-review.googlesource.com/22733606'] into sparse-9991837-L83700000960209120.

SPARSE_CHANGE: I2bfdc7801cec1b3aaa44f841d8a821214c6cb801
SPARSE_CHANGE: I35ba4652a125c8c83e18138f0fb0a51f3ef65b73
SPARSE_CHANGE: I1c51c6f66cd6967651068de1ffc2e6e8566f5a46

Change-Id: Ife0b57ca76f80fec4935b23edbd990355ef111a6

Author: Android Build Coastguard Worker

packages/SystemUI/src/com/android/systemui/shade/NotificationPanelViewController.java

@@ -2843,6 +2843,7 @@ public void setHeadsUpAnimatingAway(boolean headsUpAnimatingAway) {
     /** Set whether the bouncer is showing. */
     public void setBouncerShowing(boolean bouncerShowing) {
         mBouncerShowing = bouncerShowing;
+        mNotificationStackScrollLayoutController.updateShowEmptyShadeView();
         updateVisibility();
     }
 

packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayoutController.java

@@ -1240,7 +1240,8 @@ public void updateShowEmptyShadeView() {
                 // Hide empty shade view when in transition to Keyguard.
                 // That avoids "No Notifications" to blink when transitioning to AOD.
                 // For more details, see: b/228790482
-                && !isInTransitionToKeyguard();
+                && !isInTransitionToKeyguard()
+                && !mCentralSurfaces.isBouncerShowing();
 
         mView.updateEmptyShadeView(shouldShow, mZenModeController.areNotificationsHiddenInShade());
 

packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayoutControllerTest.java

@@ -294,6 +294,34 @@ public void testUpdateEmptyShadeView_splitShadeMode_alwaysShowEmptyView() {
                 /* notifVisibleInShade= */ false);
     }
 
+    @Test
+    public void testUpdateEmptyShadeView_bouncerShowing_hideEmptyView() {
+        when(mZenModeController.areNotificationsHiddenInShade()).thenReturn(false);
+        initController(/* viewIsAttached= */ true);
+
+        when(mCentralSurfaces.isBouncerShowing()).thenReturn(true);
+        setupShowEmptyShadeViewState(true);
+        reset(mNotificationStackScrollLayout);
+        mController.updateShowEmptyShadeView();
+        verify(mNotificationStackScrollLayout).updateEmptyShadeView(
+                /* visible= */ false,
+                /* areNotificationsHiddenInShade= */ false);
+    }
+
+    @Test
+    public void testUpdateEmptyShadeView_bouncerNotShowing_showEmptyView() {
+        when(mZenModeController.areNotificationsHiddenInShade()).thenReturn(false);
+        initController(/* viewIsAttached= */ true);
+
+        when(mCentralSurfaces.isBouncerShowing()).thenReturn(false);
+        setupShowEmptyShadeViewState(true);
+        reset(mNotificationStackScrollLayout);
+        mController.updateShowEmptyShadeView();
+        verify(mNotificationStackScrollLayout).updateEmptyShadeView(
+                /* visible= */ true,
+                /* areNotificationsHiddenInShade= */ false);
+    }
+
     @Test
     public void testOnUserChange_verifySensitiveProfile() {
         when(mNotificationLockscreenUserManager.isAnyProfilePublicMode()).thenReturn(true);

services/core/java/com/android/server/wm/DisplayPolicy.java

@@ -17,7 +17,6 @@
 package com.android.server.wm;
 
 import static android.app.WindowConfiguration.WINDOWING_MODE_FREEFORM;
-import static android.app.WindowConfiguration.WINDOWING_MODE_MULTI_WINDOW;
 import static android.view.Display.TYPE_INTERNAL;
 import static android.view.InsetsState.ITYPE_BOTTOM_MANDATORY_GESTURES;
 import static android.view.InsetsState.ITYPE_BOTTOM_TAPPABLE_ELEMENT;
@@ -2382,16 +2381,16 @@ int updateLightNavigationBarLw(int appearance, WindowState navColorWin) {
 
     private int updateSystemBarsLw(WindowState win, int disableFlags) {
         final TaskDisplayArea defaultTaskDisplayArea = mDisplayContent.getDefaultTaskDisplayArea();
-        final boolean multiWindowTaskVisible =
+        final boolean adjacentTasksVisible =
                 defaultTaskDisplayArea.getRootTask(task -> task.isVisible()
-                        && task.getTopLeafTask().getWindowingMode() == WINDOWING_MODE_MULTI_WINDOW)
+                        && task.getAdjacentTask() != null)
                         != null;
         final boolean freeformRootTaskVisible =
                 defaultTaskDisplayArea.isRootTaskVisible(WINDOWING_MODE_FREEFORM);
 
         // We need to force showing system bars when the multi-window or freeform root task is
         // visible.
-        mForceShowSystemBars = multiWindowTaskVisible || freeformRootTaskVisible;
+        mForceShowSystemBars = adjacentTasksVisible || freeformRootTaskVisible;
         // We need to force the consumption of the system bars if they are force shown or if they
         // are controlled by a remote insets controller.
         mForceConsumeSystemBars = mForceShowSystemBars
@@ -2412,7 +2411,7 @@ private int updateSystemBarsLw(WindowState win, int disableFlags) {
 
         int appearance = APPEARANCE_OPAQUE_NAVIGATION_BARS | APPEARANCE_OPAQUE_STATUS_BARS;
         appearance = configureStatusBarOpacity(appearance);
-        appearance = configureNavBarOpacity(appearance, multiWindowTaskVisible,
+        appearance = configureNavBarOpacity(appearance, adjacentTasksVisible,
                 freeformRootTaskVisible);
 
         final boolean requestHideNavBar = !win.getRequestedVisibility(ITYPE_NAVIGATION_BAR);

services/core/java/com/android/server/wm/Task.java

@@ -2385,6 +2385,22 @@ Task getCreatedByOrganizerTask() {
         return parentTask == null ? null : parentTask.getCreatedByOrganizerTask();
     }
 
+    /** @return the first adjacent task of this task or its parent. */
+    @Nullable
+    Task getAdjacentTask() {
+        final TaskFragment adjacentTaskFragment = getAdjacentTaskFragment();
+        if (adjacentTaskFragment != null && adjacentTaskFragment.asTask() != null) {
+            return adjacentTaskFragment.asTask();
+        }
+
+        final WindowContainer parent = getParent();
+        if (parent == null || parent.asTask() == null) {
+            return null;
+        }
+
+        return parent.asTask().getAdjacentTask();
+    }
+
     // TODO(task-merge): Figure out what's the right thing to do for places that used it.
     boolean isRootTask() {
         return getRootTask() == this;

services/tests/wmtests/src/com/android/server/wm/InsetsPolicyTest.java

@@ -81,12 +81,14 @@ public void testControlsForDispatch_regular() {
     }
 
     @Test
-    public void testControlsForDispatch_multiWindowTaskVisible() {
+    public void testControlsForDispatch_adjacentTasksVisible() {
         addWindow(TYPE_STATUS_BAR, "statusBar");
         addWindow(TYPE_NAVIGATION_BAR, "navBar");
 
-        final WindowState win = createWindow(null, WINDOWING_MODE_MULTI_WINDOW,
-                ACTIVITY_TYPE_STANDARD, TYPE_APPLICATION, mDisplayContent, "app");
+        final Task task1 = createTask(mDisplayContent);
+        final Task task2 = createTask(mDisplayContent);
+        task1.setAdjacentTaskFragment(task2);
+        final WindowState win = createAppWindow(task1, WINDOWING_MODE_MULTI_WINDOW, "app");
         final InsetsSourceControl[] controls = addWindowAndGetControlsForDispatch(win);
 
         // The app must not control any system bars.