Merge "Remove all size compat UIs when the keyguard becomes occluded" into sc-v2-dev am: 1bbc9f6355

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/16212776

Change-Id: Ib3c178b3484c9df0b6aeac1e2b497209bb3c7839

libs/WindowManager/Shell/src/com/android/wm/shell/dagger/WMShellBaseModule.java

@@ -74,6 +74,7 @@ import com.android.wm.shell.pip.phone.PipAppOpsListener;
 import com.android.wm.shell.pip.phone.PipTouchHandler;
 import com.android.wm.shell.recents.RecentTasks;
 import com.android.wm.shell.recents.RecentTasksController;
+import com.android.wm.shell.sizecompatui.SizeCompatUI;
 import com.android.wm.shell.sizecompatui.SizeCompatUIController;
 import com.android.wm.shell.splitscreen.SplitScreen;
 import com.android.wm.shell.splitscreen.SplitScreenController;
@@ -169,13 +170,20 @@ public abstract class WMShellBaseModule {
         return new ShellTaskOrganizer(mainExecutor, context, sizeCompatUI, recentTasksOptional);
     }
 
+    @WMSingleton
+    @Provides
+    static SizeCompatUI provideSizeCompatUI(SizeCompatUIController sizeCompatUIController) {
+        return sizeCompatUIController.asSizeCompatUI();
+    }
+
     @WMSingleton
     @Provides
     static SizeCompatUIController provideSizeCompatUIController(Context context,
             DisplayController displayController, DisplayInsetsController displayInsetsController,
-            DisplayImeController imeController, SyncTransactionQueue syncQueue) {
+            DisplayImeController imeController, SyncTransactionQueue syncQueue,
+            @ShellMainThread ShellExecutor mainExecutor) {
         return new SizeCompatUIController(context, displayController, displayInsetsController,
-                imeController, syncQueue);
+                imeController, syncQueue, mainExecutor);
     }
 
     @WMSingleton

libs/WindowManager/Shell/src/com/android/wm/shell/sizecompatui/SizeCompatUI.java

@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2021 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.wm.shell.sizecompatui;
+
+import com.android.wm.shell.common.annotations.ExternalThread;
+
+/**
+ * Interface to engage size compat UI.
+ */
+@ExternalThread
+public interface SizeCompatUI {
+    /**
+     * Called when the keyguard occluded state changes. Removes all size compat UIs if the
+     * keyguard is now occluded.
+     * @param occluded indicates if the keyguard is now occluded.
+     */
+    void onKeyguardOccludedChanged(boolean occluded);
+}

libs/WindowManager/Shell/src/com/android/wm/shell/sizecompatui/SizeCompatUIController.java

@@ -35,13 +35,16 @@ import com.android.wm.shell.common.DisplayImeController;
 import com.android.wm.shell.common.DisplayInsetsController;
 import com.android.wm.shell.common.DisplayInsetsController.OnInsetsChangedListener;
 import com.android.wm.shell.common.DisplayLayout;
+import com.android.wm.shell.common.ShellExecutor;
 import com.android.wm.shell.common.SyncTransactionQueue;
+import com.android.wm.shell.common.annotations.ExternalThread;
 
 import java.lang.ref.WeakReference;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Set;
 import java.util.function.Consumer;
+import java.util.function.Predicate;
 
 /**
  * Controls to show/update restart-activity buttons on Tasks based on whether the foreground
@@ -78,26 +81,37 @@ public class SizeCompatUIController implements OnDisplaysChangedListener,
     private final DisplayInsetsController mDisplayInsetsController;
     private final DisplayImeController mImeController;
     private final SyncTransactionQueue mSyncQueue;
+    private final ShellExecutor mMainExecutor;
+    private final SizeCompatUIImpl mImpl = new SizeCompatUIImpl();
 
     private SizeCompatUICallback mCallback;
 
     /** Only show once automatically in the process life. */
     private boolean mHasShownHint;
+    /** Indicates if the keyguard is currently occluded, in which case size compat UIs shouldn't
+     * be shown. */
+    private boolean mKeyguardOccluded;
 
     public SizeCompatUIController(Context context,
             DisplayController displayController,
             DisplayInsetsController displayInsetsController,
             DisplayImeController imeController,
-            SyncTransactionQueue syncQueue) {
+            SyncTransactionQueue syncQueue,
+            ShellExecutor mainExecutor) {
         mContext = context;
         mDisplayController = displayController;
         mDisplayInsetsController = displayInsetsController;
         mImeController = imeController;
         mSyncQueue = syncQueue;
+        mMainExecutor = mainExecutor;
         mDisplayController.addDisplayWindowListener(this);
         mImeController.addPositionProcessor(this);
     }
 
+    public SizeCompatUI asSizeCompatUI() {
+        return mImpl;
+    }
+
     /** Sets the callback for UI interactions. */
     public void setSizeCompatUICallback(SizeCompatUICallback callback) {
         mCallback = callback;
@@ -106,6 +120,7 @@ public class SizeCompatUIController implements OnDisplaysChangedListener,
     /**
      * Called when the Task info changed. Creates and updates the size compat UI if there is an
      * activity in size compat, or removes the UI if there is no size compat activity.
+     *
      * @param displayId display the task and activity are in.
      * @param taskId task the activity is in.
      * @param taskConfig task config to place the size compat UI with.
@@ -180,7 +195,19 @@ public class SizeCompatUIController implements OnDisplaysChangedListener,
         }
 
         // Hide the size compat UIs when input method is showing.
-        forAllLayoutsOnDisplay(displayId, layout -> layout.updateImeVisibility(isShowing));
+        forAllLayoutsOnDisplay(displayId,
+                layout -> layout.updateVisibility(showOnDisplay(displayId)));
+    }
+
+    @VisibleForTesting
+    void onKeyguardOccludedChanged(boolean occluded) {
+        mKeyguardOccluded = occluded;
+        // Hide the size compat UIs when keyguard is occluded.
+        forAllLayouts(layout -> layout.updateVisibility(showOnDisplay(layout.getDisplayId())));
+    }
+
+    private boolean showOnDisplay(int displayId) {
+        return !mKeyguardOccluded && !isImeShowingOnDisplay(displayId);
     }
 
     private boolean isImeShowingOnDisplay(int displayId) {
@@ -198,7 +225,7 @@ public class SizeCompatUIController implements OnDisplaysChangedListener,
         final SizeCompatUILayout layout = createLayout(context, displayId, taskId, taskConfig,
                 taskListener);
         mActiveLayouts.put(taskId, layout);
-        layout.createSizeCompatButton(isImeShowingOnDisplay(displayId));
+        layout.createSizeCompatButton(showOnDisplay(displayId));
     }
 
     @VisibleForTesting
@@ -218,8 +245,7 @@ public class SizeCompatUIController implements OnDisplaysChangedListener,
         if (layout == null) {
             return;
         }
-        layout.updateSizeCompatInfo(taskConfig, taskListener,
+        layout.updateSizeCompatInfo(taskConfig, taskListener, showOnDisplay(layout.getDisplayId()));
-                isImeShowingOnDisplay(layout.getDisplayId()));
     }
 
     private void removeLayout(int taskId) {
@@ -250,15 +276,37 @@ public class SizeCompatUIController implements OnDisplaysChangedListener,
     }
 
     private void forAllLayoutsOnDisplay(int displayId, Consumer<SizeCompatUILayout> callback) {
+        forAllLayouts(layout -> layout.getDisplayId() == displayId, callback);
+    }
+
+    private void forAllLayouts(Consumer<SizeCompatUILayout> callback) {
+        forAllLayouts(layout -> true, callback);
+    }
+
+    private void forAllLayouts(Predicate<SizeCompatUILayout> condition,
+            Consumer<SizeCompatUILayout> callback) {
         for (int i = 0; i < mActiveLayouts.size(); i++) {
             final int taskId = mActiveLayouts.keyAt(i);
             final SizeCompatUILayout layout = mActiveLayouts.get(taskId);
-            if (layout != null && layout.getDisplayId() == displayId) {
+            if (layout != null && condition.test(layout)) {
                 callback.accept(layout);
             }
         }
     }
 
+    /**
+     * The interface for calls from outside the Shell, within the host process.
+     */
+    @ExternalThread
+    private class SizeCompatUIImpl implements SizeCompatUI {
+        @Override
+        public void onKeyguardOccludedChanged(boolean occluded) {
+            mMainExecutor.execute(() -> {
+                SizeCompatUIController.this.onKeyguardOccludedChanged(occluded);
+            });
+        }
+    }
+
     /** An implementation of {@link OnInsetsChangedListener} for a given display id. */
     private class PerDisplayOnInsetsChangedListener implements OnInsetsChangedListener {
         final int mDisplayId;

libs/WindowManager/Shell/src/com/android/wm/shell/sizecompatui/SizeCompatUILayout.java

@@ -103,9 +103,9 @@ class SizeCompatUILayout {
     }
 
     /** Creates the activity restart button window. */
-    void createSizeCompatButton(boolean isImeShowing) {
+    void createSizeCompatButton(boolean show) {
-        if (isImeShowing || mButton != null) {
+        if (!show || mButton != null) {
-            // When ime is showing, wait until ime is dismiss to create UI.
+            // Wait until button should be visible.
             return;
         }
         mButton = mButtonWindowManager.createSizeCompatButton();
@@ -154,7 +154,7 @@ class SizeCompatUILayout {
 
     /** Called when size compat info changed. */
     void updateSizeCompatInfo(Configuration taskConfig,
-            ShellTaskOrganizer.TaskListener taskListener, boolean isImeShowing) {
+            ShellTaskOrganizer.TaskListener taskListener, boolean show) {
         final Configuration prevTaskConfig = mTaskConfig;
         final ShellTaskOrganizer.TaskListener prevTaskListener = mTaskListener;
         mTaskConfig = taskConfig;
@@ -170,7 +170,7 @@ class SizeCompatUILayout {
         if (mButton == null || prevTaskListener != taskListener) {
             // TaskListener changed, recreate the button for new surface parent.
             release();
-            createSizeCompatButton(isImeShowing);
+            createSizeCompatButton(show);
             return;
         }
 
@@ -204,16 +204,16 @@ class SizeCompatUILayout {
         }
     }
 
-    /** Called when IME visibility changed. */
+    /** Called when the visibility of the UI should change. */
-    void updateImeVisibility(boolean isImeShowing) {
+    void updateVisibility(boolean show) {
         if (mButton == null) {
-            // Button may not be created because ime is previous showing.
+            // Button may not have been created because it was hidden previously.
-            createSizeCompatButton(isImeShowing);
+            createSizeCompatButton(show);
             return;
         }
 
         // Hide size compat UIs when IME is showing.
-        final int newVisibility = isImeShowing ? View.GONE : View.VISIBLE;
+        final int newVisibility = show ? View.VISIBLE : View.GONE;
         if (mButton.getVisibility() != newVisibility) {
             mButton.setVisibility(newVisibility);
         }

libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/sizecompatui/SizeCompatUIControllerTest.java

@@ -26,6 +26,7 @@ import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.clearInvocations;
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 
 import android.content.Context;
@@ -43,6 +44,7 @@ import com.android.wm.shell.common.DisplayImeController;
 import com.android.wm.shell.common.DisplayInsetsController;
 import com.android.wm.shell.common.DisplayInsetsController.OnInsetsChangedListener;
 import com.android.wm.shell.common.DisplayLayout;
+import com.android.wm.shell.common.ShellExecutor;
 import com.android.wm.shell.common.SyncTransactionQueue;
 
 import org.junit.Before;
@@ -72,6 +74,7 @@ public class SizeCompatUIControllerTest extends ShellTestCase {
     private @Mock DisplayImeController mMockImeController;
     private @Mock ShellTaskOrganizer.TaskListener mMockTaskListener;
     private @Mock SyncTransactionQueue mMockSyncQueue;
+    private @Mock ShellExecutor mMockExecutor;
     private @Mock SizeCompatUILayout mMockLayout;
 
     @Captor
@@ -85,7 +88,7 @@ public class SizeCompatUIControllerTest extends ShellTestCase {
         doReturn(DISPLAY_ID).when(mMockLayout).getDisplayId();
         doReturn(TASK_ID).when(mMockLayout).getTaskId();
         mController = new SizeCompatUIController(mContext, mMockDisplayController,
-                mMockDisplayInsetsController, mMockImeController, mMockSyncQueue) {
+                mMockDisplayInsetsController, mMockImeController, mMockSyncQueue, mMockExecutor) {
             @Override
             SizeCompatUILayout createLayout(Context context, int displayId, int taskId,
                     Configuration taskConfig, ShellTaskOrganizer.TaskListener taskListener) {
@@ -106,19 +109,17 @@ public class SizeCompatUIControllerTest extends ShellTestCase {
         final Configuration taskConfig = new Configuration();
 
         // Verify that the restart button is added with non-null size compat info.
-        mController.onSizeCompatInfoChanged(DISPLAY_ID, TASK_ID, taskConfig,
+        mController.onSizeCompatInfoChanged(DISPLAY_ID, TASK_ID, taskConfig, mMockTaskListener);
-                mMockTaskListener);
 
         verify(mController).createLayout(any(), eq(DISPLAY_ID), eq(TASK_ID), eq(taskConfig),
                 eq(mMockTaskListener));
 
         // Verify that the restart button is updated with non-null new size compat info.
         final Configuration newTaskConfig = new Configuration();
-        mController.onSizeCompatInfoChanged(DISPLAY_ID, TASK_ID, newTaskConfig,
+        mController.onSizeCompatInfoChanged(DISPLAY_ID, TASK_ID, newTaskConfig, mMockTaskListener);
-                mMockTaskListener);
 
         verify(mMockLayout).updateSizeCompatInfo(taskConfig, mMockTaskListener,
-                false /* isImeShowing */);
+                true /* show */);
 
         // Verify that the restart button is removed with null size compat info.
         mController.onSizeCompatInfoChanged(DISPLAY_ID, TASK_ID, null, mMockTaskListener);
@@ -196,15 +197,90 @@ public class SizeCompatUIControllerTest extends ShellTestCase {
     @Test
     public void testChangeButtonVisibilityOnImeShowHide() {
         final Configuration taskConfig = new Configuration();
-        mController.onSizeCompatInfoChanged(DISPLAY_ID, TASK_ID, taskConfig,
+        mController.onSizeCompatInfoChanged(DISPLAY_ID, TASK_ID, taskConfig, mMockTaskListener);
-                mMockTaskListener);
 
+        // Verify that the restart button is hidden after IME is showing.
         mController.onImeVisibilityChanged(DISPLAY_ID, true /* isShowing */);
 
-        verify(mMockLayout).updateImeVisibility(true);
+        verify(mMockLayout).updateVisibility(false);
 
+        // Verify button remains hidden while IME is showing.
+        mController.onSizeCompatInfoChanged(DISPLAY_ID, TASK_ID, taskConfig, mMockTaskListener);
+
+        verify(mMockLayout).updateSizeCompatInfo(taskConfig, mMockTaskListener,
+                false /* show */);
+
+        // Verify button is shown after IME is hidden.
         mController.onImeVisibilityChanged(DISPLAY_ID, false /* isShowing */);
 
-        verify(mMockLayout).updateImeVisibility(false);
+        verify(mMockLayout).updateVisibility(true);
+    }
+
+    @Test
+    public void testChangeButtonVisibilityOnKeyguardOccludedChanged() {
+        final Configuration taskConfig = new Configuration();
+        mController.onSizeCompatInfoChanged(DISPLAY_ID, TASK_ID, taskConfig, mMockTaskListener);
+
+        // Verify that the restart button is hidden after keyguard becomes occluded.
+        mController.onKeyguardOccludedChanged(true);
+
+        verify(mMockLayout).updateVisibility(false);
+
+        // Verify button remains hidden while keyguard is occluded.
+        mController.onSizeCompatInfoChanged(DISPLAY_ID, TASK_ID, taskConfig, mMockTaskListener);
+
+        verify(mMockLayout).updateSizeCompatInfo(taskConfig, mMockTaskListener,
+                false /* show */);
+
+        // Verify button is shown after keyguard becomes not occluded.
+        mController.onKeyguardOccludedChanged(false);
+
+        verify(mMockLayout).updateVisibility(true);
+    }
+
+    @Test
+    public void testButtonRemainsHiddenOnKeyguardOccludedFalseWhenImeIsShowing() {
+        final Configuration taskConfig = new Configuration();
+        mController.onSizeCompatInfoChanged(DISPLAY_ID, TASK_ID, taskConfig, mMockTaskListener);
+
+        mController.onImeVisibilityChanged(DISPLAY_ID, true /* isShowing */);
+        mController.onKeyguardOccludedChanged(true);
+
+        verify(mMockLayout, times(2)).updateVisibility(false);
+
+        clearInvocations(mMockLayout);
+
+        // Verify button remains hidden after keyguard becomes not occluded since IME is showing.
+        mController.onKeyguardOccludedChanged(false);
+
+        verify(mMockLayout).updateVisibility(false);
+
+        // Verify button is shown after IME is not showing.
+        mController.onImeVisibilityChanged(DISPLAY_ID, false /* isShowing */);
+
+        verify(mMockLayout).updateVisibility(true);
+    }
+
+    @Test
+    public void testButtonRemainsHiddenOnImeHideWhenKeyguardIsOccluded() {
+        final Configuration taskConfig = new Configuration();
+        mController.onSizeCompatInfoChanged(DISPLAY_ID, TASK_ID, taskConfig, mMockTaskListener);
+
+        mController.onImeVisibilityChanged(DISPLAY_ID, true /* isShowing */);
+        mController.onKeyguardOccludedChanged(true);
+
+        verify(mMockLayout, times(2)).updateVisibility(false);
+
+        clearInvocations(mMockLayout);
+
+        // Verify button remains hidden after IME is hidden since keyguard is occluded.
+        mController.onImeVisibilityChanged(DISPLAY_ID, false /* isShowing */);
+
+        verify(mMockLayout).updateVisibility(false);
+
+        // Verify button is shown after keyguard becomes not occluded.
+        mController.onKeyguardOccludedChanged(false);
+
+        verify(mMockLayout).updateVisibility(true);
     }
 }

libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/sizecompatui/SizeCompatUILayoutTest.java

@@ -96,8 +96,8 @@ public class SizeCompatUILayoutTest extends ShellTestCase {
 
     @Test
     public void testCreateSizeCompatButton() {
-        // Not create button if IME is showing.
+        // Not create button if show is false.
-        mLayout.createSizeCompatButton(true /* isImeShowing */);
+        mLayout.createSizeCompatButton(false /* show */);
 
         verify(mLayout.mButtonWindowManager, never()).createSizeCompatButton();
         assertNull(mLayout.mButton);
@@ -106,7 +106,7 @@ public class SizeCompatUILayoutTest extends ShellTestCase {
 
         // Not create hint popup.
         mLayout.mShouldShowHint = false;
-        mLayout.createSizeCompatButton(false /* isImeShowing */);
+        mLayout.createSizeCompatButton(true /* show */);
 
         verify(mLayout.mButtonWindowManager).createSizeCompatButton();
         assertNotNull(mLayout.mButton);
@@ -116,7 +116,7 @@ public class SizeCompatUILayoutTest extends ShellTestCase {
         // Create hint popup.
         mLayout.release();
         mLayout.mShouldShowHint = true;
-        mLayout.createSizeCompatButton(false /* isImeShowing */);
+        mLayout.createSizeCompatButton(true /* show */);
 
         verify(mLayout.mButtonWindowManager, times(2)).createSizeCompatButton();
         assertNotNull(mLayout.mButton);
@@ -128,7 +128,7 @@ public class SizeCompatUILayoutTest extends ShellTestCase {
 
     @Test
     public void testRelease() {
-        mLayout.createSizeCompatButton(false /* isImeShowing */);
+        mLayout.createSizeCompatButton(true /* show */);
         final SizeCompatUIWindowManager hintWindowManager = mLayout.mHintWindowManager;
 
         mLayout.release();
@@ -142,12 +142,11 @@ public class SizeCompatUILayoutTest extends ShellTestCase {
 
     @Test
     public void testUpdateSizeCompatInfo() {
-        mLayout.createSizeCompatButton(false /* isImeShowing */);
+        mLayout.createSizeCompatButton(true /* show */);
 
         // No diff
         clearInvocations(mLayout);
-        mLayout.updateSizeCompatInfo(mTaskConfig, mTaskListener,
+        mLayout.updateSizeCompatInfo(mTaskConfig, mTaskListener, true /* show */);
-                false /* isImeShowing */);
 
         verify(mLayout, never()).updateButtonSurfacePosition();
         verify(mLayout, never()).release();
@@ -158,7 +157,7 @@ public class SizeCompatUILayoutTest extends ShellTestCase {
         final ShellTaskOrganizer.TaskListener newTaskListener = mock(
                 ShellTaskOrganizer.TaskListener.class);
         mLayout.updateSizeCompatInfo(mTaskConfig, newTaskListener,
-                false /* isImeShowing */);
+                true /* show */);
 
         verify(mLayout).release();
         verify(mLayout).createSizeCompatButton(anyBoolean());
@@ -168,7 +167,7 @@ public class SizeCompatUILayoutTest extends ShellTestCase {
         final Configuration newTaskConfiguration = new Configuration();
         newTaskConfiguration.windowConfiguration.setBounds(new Rect(0, 1000, 0, 2000));
         mLayout.updateSizeCompatInfo(newTaskConfiguration, newTaskListener,
-                false /* isImeShowing */);
+                true /* show */);
 
         verify(mLayout).updateButtonSurfacePosition();
         verify(mLayout).updateHintSurfacePosition();
@@ -220,24 +219,24 @@ public class SizeCompatUILayoutTest extends ShellTestCase {
     }
 
     @Test
-    public void testUpdateImeVisibility() {
+    public void testUpdateVisibility() {
         // Create button if it is not created.
         mLayout.mButton = null;
-        mLayout.updateImeVisibility(false /* isImeShowing */);
+        mLayout.updateVisibility(true /* show */);
 
-        verify(mLayout).createSizeCompatButton(false /* isImeShowing */);
+        verify(mLayout).createSizeCompatButton(true /* show */);
 
-        // Hide button if ime is shown.
+        // Hide button.
         clearInvocations(mLayout);
         doReturn(View.VISIBLE).when(mButton).getVisibility();
-        mLayout.updateImeVisibility(true /* isImeShowing */);
+        mLayout.updateVisibility(false /* show */);
 
         verify(mLayout, never()).createSizeCompatButton(anyBoolean());
         verify(mButton).setVisibility(View.GONE);
 
-        // Show button if ime is not shown.
+        // Show button.
         doReturn(View.GONE).when(mButton).getVisibility();
-        mLayout.updateImeVisibility(false /* isImeShowing */);
+        mLayout.updateVisibility(true /* show */);
 
         verify(mLayout, never()).createSizeCompatButton(anyBoolean());
         verify(mButton).setVisibility(View.VISIBLE);

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

@@ -31,8 +31,6 @@ import com.android.systemui.dagger.WMComponent;
 import com.android.systemui.navigationbar.gestural.BackGestureTfClassifierProvider;
 import com.android.systemui.screenshot.ScreenshotNotificationSmartActionsProvider;
 import com.android.wm.shell.transition.ShellTransitions;
-import com.android.wm.shell.transition.Transitions;
-import com.android.wm.shell.recents.RecentTasks;
 
 import java.util.Optional;
 import java.util.concurrent.ExecutionException;
@@ -122,7 +120,8 @@ public class SystemUIFactory {
                     .setStartingSurface(mWMComponent.getStartingSurface())
                     .setDisplayAreaHelper(mWMComponent.getDisplayAreaHelper())
                     .setTaskSurfaceHelper(mWMComponent.getTaskSurfaceHelper())
-                    .setRecentTasks(mWMComponent.getRecentTasks());
+                    .setRecentTasks(mWMComponent.getRecentTasks())
+                    .setSizeCompatUI(Optional.of(mWMComponent.getSizeCompatUI()));
         } else {
             // TODO: Call on prepareSysUIComponentBuilder but not with real components. Other option
             // is separating this logic into newly creating SystemUITestsFactory.
@@ -140,7 +139,8 @@ public class SystemUIFactory {
                     .setDisplayAreaHelper(Optional.ofNullable(null))
                     .setStartingSurface(Optional.ofNullable(null))
                     .setTaskSurfaceHelper(Optional.ofNullable(null))
-                    .setRecentTasks(Optional.ofNullable(null));
+                    .setRecentTasks(Optional.ofNullable(null))
+                    .setSizeCompatUI(Optional.ofNullable(null));
         }
         mSysUIComponent = builder.build();
         if (mInitializeComponents) {

packages/SystemUI/src/com/android/systemui/dagger/SysUIComponent.java

@@ -37,6 +37,7 @@ import com.android.wm.shell.legacysplitscreen.LegacySplitScreen;
 import com.android.wm.shell.onehanded.OneHanded;
 import com.android.wm.shell.pip.Pip;
 import com.android.wm.shell.recents.RecentTasks;
+import com.android.wm.shell.sizecompatui.SizeCompatUI;
 import com.android.wm.shell.splitscreen.SplitScreen;
 import com.android.wm.shell.startingsurface.StartingSurface;
 import com.android.wm.shell.tasksurfacehelper.TaskSurfaceHelper;
@@ -107,6 +108,9 @@ public interface SysUIComponent {
         @BindsInstance
         Builder setRecentTasks(Optional<RecentTasks> r);
 
+        @BindsInstance
+        Builder setSizeCompatUI(Optional<SizeCompatUI> s);
+
         SysUIComponent build();
     }
 

packages/SystemUI/src/com/android/systemui/dagger/WMComponent.java

@@ -20,13 +20,13 @@ import android.content.Context;
 
 import com.android.systemui.SystemUIFactory;
 import com.android.systemui.tv.TvWMComponent;
-import com.android.wm.shell.dagger.TvWMShellModule;
-import com.android.wm.shell.dagger.WMShellModule;
 import com.android.wm.shell.ShellCommandHandler;
 import com.android.wm.shell.ShellInit;
 import com.android.wm.shell.TaskViewFactory;
 import com.android.wm.shell.apppairs.AppPairs;
 import com.android.wm.shell.bubbles.Bubbles;
+import com.android.wm.shell.dagger.TvWMShellModule;
+import com.android.wm.shell.dagger.WMShellModule;
 import com.android.wm.shell.dagger.WMSingleton;
 import com.android.wm.shell.displayareahelper.DisplayAreaHelper;
 import com.android.wm.shell.hidedisplaycutout.HideDisplayCutout;
@@ -34,6 +34,7 @@ import com.android.wm.shell.legacysplitscreen.LegacySplitScreen;
 import com.android.wm.shell.onehanded.OneHanded;
 import com.android.wm.shell.pip.Pip;
 import com.android.wm.shell.recents.RecentTasks;
+import com.android.wm.shell.sizecompatui.SizeCompatUI;
 import com.android.wm.shell.splitscreen.SplitScreen;
 import com.android.wm.shell.startingsurface.StartingSurface;
 import com.android.wm.shell.tasksurfacehelper.TaskSurfaceHelper;
@@ -115,4 +116,7 @@ public interface WMComponent {
 
     @WMSingleton
     Optional<RecentTasks> getRecentTasks();
+
+    @WMSingleton
+    SizeCompatUI getSizeCompatUI();
 }

packages/SystemUI/src/com/android/systemui/wmshell/WMShell.java

@@ -65,6 +65,7 @@ import com.android.wm.shell.onehanded.OneHandedTransitionCallback;
 import com.android.wm.shell.onehanded.OneHandedUiEventLogger;
 import com.android.wm.shell.pip.Pip;
 import com.android.wm.shell.protolog.ShellProtoLogImpl;
+import com.android.wm.shell.sizecompatui.SizeCompatUI;
 import com.android.wm.shell.splitscreen.SplitScreen;
 
 import java.io.FileDescriptor;
@@ -112,6 +113,7 @@ public final class WMShell extends SystemUI
     private final Optional<OneHanded> mOneHandedOptional;
     private final Optional<HideDisplayCutout> mHideDisplayCutoutOptional;
     private final Optional<ShellCommandHandler> mShellCommandHandler;
+    private final Optional<SizeCompatUI> mSizeCompatUIOptional;
 
     private final CommandQueue mCommandQueue;
     private final ConfigurationController mConfigurationController;
@@ -128,6 +130,7 @@ public final class WMShell extends SystemUI
     private KeyguardUpdateMonitorCallback mSplitScreenKeyguardCallback;
     private KeyguardUpdateMonitorCallback mPipKeyguardCallback;
     private KeyguardUpdateMonitorCallback mOneHandedKeyguardCallback;
+    private KeyguardUpdateMonitorCallback mSizeCompatUIKeyguardCallback;
     private WakefulnessLifecycle.Observer mWakefulnessObserver;
 
     @Inject
@@ -138,6 +141,7 @@ public final class WMShell extends SystemUI
             Optional<OneHanded> oneHandedOptional,
             Optional<HideDisplayCutout> hideDisplayCutoutOptional,
             Optional<ShellCommandHandler> shellCommandHandler,
+            Optional<SizeCompatUI> sizeCompatUIOptional,
             CommandQueue commandQueue,
             ConfigurationController configurationController,
             KeyguardUpdateMonitor keyguardUpdateMonitor,
@@ -162,6 +166,7 @@ public final class WMShell extends SystemUI
         mWakefulnessLifecycle = wakefulnessLifecycle;
         mProtoTracer = protoTracer;
         mShellCommandHandler = shellCommandHandler;
+        mSizeCompatUIOptional = sizeCompatUIOptional;
         mSysUiMainExecutor = sysUiMainExecutor;
     }
 
@@ -176,6 +181,7 @@ public final class WMShell extends SystemUI
         mSplitScreenOptional.ifPresent(this::initSplitScreen);
         mOneHandedOptional.ifPresent(this::initOneHanded);
         mHideDisplayCutoutOptional.ifPresent(this::initHideDisplayCutout);
+        mSizeCompatUIOptional.ifPresent(this::initSizeCompatUi);
     }
 
     @VisibleForTesting
@@ -367,6 +373,17 @@ public final class WMShell extends SystemUI
         });
     }
 
+    @VisibleForTesting
+    void initSizeCompatUi(SizeCompatUI sizeCompatUI) {
+        mSizeCompatUIKeyguardCallback = new KeyguardUpdateMonitorCallback() {
+            @Override
+            public void onKeyguardOccludedChanged(boolean occluded) {
+                sizeCompatUI.onKeyguardOccludedChanged(occluded);
+            }
+        };
+        mKeyguardUpdateMonitor.registerCallback(mSizeCompatUIKeyguardCallback);
+    }
+
     @Override
     public void writeToProto(SystemUiTraceProto proto) {
         if (proto.wmShell == null) {

packages/SystemUI/tests/src/com/android/systemui/wmshell/WMShellTest.java

@@ -41,6 +41,7 @@ import com.android.wm.shell.onehanded.OneHanded;
 import com.android.wm.shell.onehanded.OneHandedEventCallback;
 import com.android.wm.shell.onehanded.OneHandedTransitionCallback;
 import com.android.wm.shell.pip.Pip;
+import com.android.wm.shell.sizecompatui.SizeCompatUI;
 import com.android.wm.shell.splitscreen.SplitScreen;
 
 import org.junit.Before;
@@ -76,6 +77,7 @@ public class WMShellTest extends SysuiTestCase {
     @Mock WakefulnessLifecycle mWakefulnessLifecycle;
     @Mock ProtoTracer mProtoTracer;
     @Mock ShellCommandHandler mShellCommandHandler;
+    @Mock SizeCompatUI mSizeCompatUI;
     @Mock ShellExecutor mSysUiMainExecutor;
 
     @Before
@@ -84,10 +86,10 @@ public class WMShellTest extends SysuiTestCase {
 
         mWMShell = new WMShell(mContext, Optional.of(mPip), Optional.of(mLegacySplitScreen),
                 Optional.of(mSplitScreen), Optional.of(mOneHanded), Optional.of(mHideDisplayCutout),
-                Optional.of(mShellCommandHandler), mCommandQueue, mConfigurationController,
+                Optional.of(mShellCommandHandler), Optional.of(mSizeCompatUI),
-                mKeyguardUpdateMonitor, mNavigationModeController,
+                mCommandQueue, mConfigurationController, mKeyguardUpdateMonitor,
-                mScreenLifecycle, mSysUiState, mProtoTracer, mWakefulnessLifecycle,
+                mNavigationModeController, mScreenLifecycle, mSysUiState, mProtoTracer,
-                mSysUiMainExecutor);
+                mWakefulnessLifecycle, mSysUiMainExecutor);
     }
 
     @Test
@@ -129,4 +131,11 @@ public class WMShellTest extends SysuiTestCase {
         verify(mConfigurationController).addCallback(
                 any(ConfigurationController.ConfigurationListener.class));
     }
+
+    @Test
+    public void initSizeCompatUI_registersCallbacks() {
+        mWMShell.initSizeCompatUi(mSizeCompatUI);
+
+        verify(mKeyguardUpdateMonitor).registerCallback(any(KeyguardUpdateMonitorCallback.class));
+    }
 }