Add ViewController for KeyguardBottomAreaView.

This CL doesn't do much by itself. It merely adds scaffolding upon
which more work can be built later.

Bug: 218354102
Test: manual
Change-Id: I3945214b2670ddd6a9f48736407ebdb89203c017

packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardBottomAreaViewController.kt

@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2022 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.phone
+
+import com.android.systemui.util.ViewController
+import javax.inject.Inject
+
+class KeyguardBottomAreaViewController @Inject constructor(view: KeyguardBottomAreaView) :
+    ViewController<KeyguardBottomAreaView> (view) {
+    override fun onViewAttached() {
+    }
+
+    override fun onViewDetached() {
+    }
+
+    fun getView(): KeyguardBottomAreaView {
+        // TODO: remove this method.
+        return mView
+    }
+}

packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelViewController.java

@@ -351,6 +351,8 @@ public class NotificationPanelViewController extends PanelViewController {
     private LockIconViewController mLockIconViewController;
     private NotificationsQuickSettingsContainer mNotificationContainerParent;
     private NotificationsQSContainerController mNotificationsQSContainerController;
+    private final Provider<KeyguardBottomAreaViewController>
+            mKeyguardBottomAreaViewControllerProvider;
     private boolean mAnimateNextPositionUpdate;
     private float mQuickQsHeaderHeight;
     private ScreenOffAnimationController mScreenOffAnimationController;
@@ -768,6 +770,7 @@ public class NotificationPanelViewController extends PanelViewController {
             InteractionJankMonitor interactionJankMonitor,
             QsFrameTranslateController qsFrameTranslateController,
             SysUiState sysUiState,
+            Provider<KeyguardBottomAreaViewController> keyguardBottomAreaViewControllerProvider,
             KeyguardUnlockAnimationController keyguardUnlockAnimationController,
             NotificationListContainer notificationListContainer,
             PanelEventsEmitter panelEventsEmitter,
@@ -808,6 +811,7 @@ public class NotificationPanelViewController extends PanelViewController {
         mNotificationsQSContainerController = notificationsQSContainerController;
         mNotificationListContainer = notificationListContainer;
         mNotificationStackSizeCalculator = notificationStackSizeCalculator;
+        mKeyguardBottomAreaViewControllerProvider = keyguardBottomAreaViewControllerProvider;
         mNotificationsQSContainerController.init();
         mNotificationStackScrollLayoutController = notificationStackScrollLayoutController;
         mNotificationIconAreaController = notificationIconAreaController;
@@ -1241,8 +1245,7 @@ public class NotificationPanelViewController extends PanelViewController {
         int index = mView.indexOfChild(mKeyguardBottomArea);
         mView.removeView(mKeyguardBottomArea);
         KeyguardBottomAreaView oldBottomArea = mKeyguardBottomArea;
-        mKeyguardBottomArea = (KeyguardBottomAreaView) mLayoutInflater.inflate(
+        mKeyguardBottomArea = mKeyguardBottomAreaViewControllerProvider.get().getView();
-                R.layout.keyguard_bottom_area, mView, false);
         mKeyguardBottomArea.initFrom(oldBottomArea);
         mKeyguardBottomArea.setPreviewContainer(mPreviewContainer);
         mView.addView(mKeyguardBottomArea, index);

packages/SystemUI/src/com/android/systemui/statusbar/phone/dagger/StatusBarViewModule.java

@@ -41,6 +41,7 @@ import com.android.systemui.statusbar.OperatorNameViewController;
 import com.android.systemui.statusbar.events.SystemStatusAnimationScheduler;
 import com.android.systemui.statusbar.notification.row.dagger.NotificationShelfComponent;
 import com.android.systemui.statusbar.notification.stack.NotificationStackScrollLayout;
+import com.android.systemui.statusbar.phone.KeyguardBottomAreaView;
 import com.android.systemui.statusbar.phone.NotificationIconAreaController;
 import com.android.systemui.statusbar.phone.NotificationPanelView;
 import com.android.systemui.statusbar.phone.NotificationPanelViewController;
@@ -287,4 +288,17 @@ public abstract class StatusBarViewModule {
                 secureSettings,
                 mainExecutor);
     }
+
+    /**
+     * Constructs a new, unattached {@link KeyguardBottomAreaView}.
+     *
+     * Note that this is explicitly _not_ a singleton, as we want to be able to reinflate it
+     */
+    @Provides
+    public static KeyguardBottomAreaView providesKeyguardBottomAreaView(
+            NotificationPanelView npv, LayoutInflater layoutInflater) {
+        return (KeyguardBottomAreaView) layoutInflater.inflate(R
+                .layout.keyguard_bottom_area, npv, false);
+    }
+
 }

packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/NotificationPanelViewControllerTest.java

@@ -172,6 +172,8 @@ public class NotificationPanelViewControllerTest extends SysuiTestCase {
     @Mock
     private KeyguardBottomAreaView mKeyguardBottomArea;
     @Mock
+    private KeyguardBottomAreaViewController mKeyguardBottomAreaViewController;
+    @Mock
     private KeyguardBottomAreaView mQsFrame;
     private KeyguardStatusView mKeyguardStatusView;
     @Mock
@@ -397,6 +399,7 @@ public class NotificationPanelViewControllerTest extends SysuiTestCase {
         when(mNotificationStackScrollLayoutController.getHeight()).thenReturn(1000);
         when(mNotificationStackScrollLayoutController.getHeadsUpCallback())
                 .thenReturn(mHeadsUpCallback);
+        when(mKeyguardBottomAreaViewController.getView()).thenReturn(mKeyguardBottomArea);
         when(mView.findViewById(R.id.keyguard_bottom_area)).thenReturn(mKeyguardBottomArea);
         when(mKeyguardBottomArea.getLeftView()).thenReturn(mock(KeyguardAffordanceView.class));
         when(mKeyguardBottomArea.getRightView()).thenReturn(mock(KeyguardAffordanceView.class));
@@ -480,7 +483,8 @@ public class NotificationPanelViewControllerTest extends SysuiTestCase {
         mMainHandler = new Handler(Looper.getMainLooper());
         mPanelEventsEmitter = new NotificationPanelViewController.PanelEventsEmitter();
 
-        mNotificationPanelViewController = new NotificationPanelViewController(mView,
+        mNotificationPanelViewController = new NotificationPanelViewController(
+                mView,
                 mResources,
                 mMainHandler,
                 mLayoutInflater,
@@ -534,6 +538,7 @@ public class NotificationPanelViewControllerTest extends SysuiTestCase {
                 mInteractionJankMonitor,
                 mQsFrameTranslateController,
                 mSysUiState,
+                () -> mKeyguardBottomAreaViewController,
                 mKeyguardUnlockAnimationController,
                 mNotificationListContainer,
                 mPanelEventsEmitter,