Add back AccessibilityFloatingMenuController into StatusBar

Root Cause: Accessibility Floating Menu was disapeared from aosp rom
because of the missing link in StatusBar.

Solution: Add back link in StatusBar.

Bug: 206387234, 207070761
Test: flash aosp rom & verify floating a11y button appears
Change-Id: Iabb30895757afa1debe21d676cba019fef5c7c4e

packages/SystemUI/src/com/android/systemui/accessibility/SecureSettingsContentObserver.java

@@ -71,7 +71,9 @@ public abstract class SecureSettingsContentObserver<T> {
     public void addListener(@NonNull T listener) {
         Objects.requireNonNull(listener, "listener must be non-null");
 
-        mListeners.add(listener);
+        if (!mListeners.contains(listener)) {
+            mListeners.add(listener);
+        }
 
         if (mListeners.size() == 1) {
             mContentResolver.registerContentObserver(

packages/SystemUI/src/com/android/systemui/accessibility/floatingmenu/AccessibilityFloatingMenuController.java

@@ -98,7 +98,8 @@ public class AccessibilityFloatingMenuController implements
         mAccessibilityButtonModeObserver = accessibilityButtonModeObserver;
         mKeyguardUpdateMonitor = keyguardUpdateMonitor;
 
-        init();
+        mIsKeyguardVisible = false;
+        mIsAccessibilityManagerServiceReady = false;
     }
 
     /**
@@ -124,9 +125,8 @@ public class AccessibilityFloatingMenuController implements
         handleFloatingMenuVisibility(mIsKeyguardVisible, mBtnMode, mBtnTargets);
     }
 
-    private void init() {
+    /** Initializes the AccessibilityFloatingMenuController configurations. */
-        mIsKeyguardVisible = false;
+    public void init() {
-        mIsAccessibilityManagerServiceReady = false;
         mBtnMode = mAccessibilityButtonModeObserver.getCurrentAccessibilityButtonMode();
         mBtnTargets = mAccessibilityButtonTargetsObserver.getCurrentAccessibilityButtonTargets();
         registerContentObservers();

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

@@ -134,6 +134,7 @@ import com.android.systemui.EventLogTags;
 import com.android.systemui.InitController;
 import com.android.systemui.Prefs;
 import com.android.systemui.R;
+import com.android.systemui.accessibility.floatingmenu.AccessibilityFloatingMenuController;
 import com.android.systemui.animation.ActivityLaunchAnimator;
 import com.android.systemui.animation.DelegateLaunchAnimatorController;
 import com.android.systemui.assist.AssistManager;
@@ -736,6 +737,7 @@ public class StatusBar extends CoreStartable implements
             VisualStabilityManager visualStabilityManager,
             DeviceProvisionedController deviceProvisionedController,
             NavigationBarController navigationBarController,
+            AccessibilityFloatingMenuController accessibilityFloatingMenuController,
             Lazy<AssistManager> assistManagerLazy,
             ConfigurationController configurationController,
             NotificationShadeWindowController notificationShadeWindowController,
@@ -839,6 +841,7 @@ public class StatusBar extends CoreStartable implements
         mVisualStabilityManager = visualStabilityManager;
         mDeviceProvisionedController = deviceProvisionedController;
         mNavigationBarController = navigationBarController;
+        mAccessibilityFloatingMenuController = accessibilityFloatingMenuController;
         mAssistManagerLazy = assistManagerLazy;
         mConfigurationController = configurationController;
         mNotificationShadeWindowController = notificationShadeWindowController;
@@ -1054,6 +1057,8 @@ public class StatusBar extends CoreStartable implements
         mBatteryController.observe(mLifecycle, mBatteryStateChangeCallback);
         mLifecycle.setCurrentState(RESUMED);
 
+        mAccessibilityFloatingMenuController.init();
+
         // set the initial view visibility
         int disabledFlags1 = result.mDisabledFlags1;
         int disabledFlags2 = result.mDisabledFlags2;
@@ -3813,6 +3818,7 @@ public class StatusBar extends CoreStartable implements
     private final DeviceProvisionedController mDeviceProvisionedController;
 
     private final NavigationBarController mNavigationBarController;
+    private final AccessibilityFloatingMenuController mAccessibilityFloatingMenuController;
 
     // UI-specific methods
 

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

@@ -28,6 +28,7 @@ import com.android.internal.logging.MetricsLogger;
 import com.android.keyguard.KeyguardUpdateMonitor;
 import com.android.keyguard.ViewMediatorCallback;
 import com.android.systemui.InitController;
+import com.android.systemui.accessibility.floatingmenu.AccessibilityFloatingMenuController;
 import com.android.systemui.animation.ActivityLaunchAnimator;
 import com.android.systemui.assist.AssistManager;
 import com.android.systemui.broadcast.BroadcastDispatcher;
@@ -185,6 +186,7 @@ public interface StatusBarPhoneModule {
             VisualStabilityManager visualStabilityManager,
             DeviceProvisionedController deviceProvisionedController,
             NavigationBarController navigationBarController,
+            AccessibilityFloatingMenuController accessibilityFloatingMenuController,
             Lazy<AssistManager> assistManagerLazy,
             ConfigurationController configurationController,
             NotificationShadeWindowController notificationShadeWindowController,
@@ -287,6 +289,7 @@ public interface StatusBarPhoneModule {
                 visualStabilityManager,
                 deviceProvisionedController,
                 navigationBarController,
+                accessibilityFloatingMenuController,
                 assistManagerLazy,
                 configurationController,
                 notificationShadeWindowController,

packages/SystemUI/tests/src/com/android/systemui/accessibility/floatingmenu/AccessibilityFloatingMenuControllerTest.java

@@ -291,9 +291,12 @@ public class AccessibilityFloatingMenuControllerTest extends SysuiTestCase {
         mTargetsObserver = spy(Dependency.get(AccessibilityButtonTargetsObserver.class));
         mModeObserver = spy(Dependency.get(AccessibilityButtonModeObserver.class));
         mKeyguardUpdateMonitor = Dependency.get(KeyguardUpdateMonitor.class);
+        final AccessibilityFloatingMenuController controller =
+                new AccessibilityFloatingMenuController(mContextWrapper, mTargetsObserver,
+                        mModeObserver, mKeyguardUpdateMonitor);
+        controller.init();
 
-        return new AccessibilityFloatingMenuController(mContextWrapper, mTargetsObserver,
+        return controller;
-                mModeObserver, mKeyguardUpdateMonitor);
     }
 
     private void enableAccessibilityFloatingMenuConfig() {

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

@@ -77,6 +77,7 @@ import com.android.keyguard.ViewMediatorCallback;
 import com.android.systemui.InitController;
 import com.android.systemui.R;
 import com.android.systemui.SysuiTestCase;
+import com.android.systemui.accessibility.floatingmenu.AccessibilityFloatingMenuController;
 import com.android.systemui.animation.ActivityLaunchAnimator;
 import com.android.systemui.assist.AssistManager;
 import com.android.systemui.broadcast.BroadcastDispatcher;
@@ -219,6 +220,7 @@ public class StatusBarTest extends SysuiTestCase {
     @Mock private NotificationGutsManager mNotificationGutsManager;
     @Mock private NotificationMediaManager mNotificationMediaManager;
     @Mock private NavigationBarController mNavigationBarController;
+    @Mock private AccessibilityFloatingMenuController mAccessibilityFloatingMenuController;
     @Mock private BypassHeadsUpNotifier mBypassHeadsUpNotifier;
     @Mock private SysuiColorExtractor mColorExtractor;
     @Mock private ColorExtractor.GradientColors mGradientColors;
@@ -416,6 +418,7 @@ public class StatusBarTest extends SysuiTestCase {
                 mVisualStabilityManager,
                 mDeviceProvisionedController,
                 mNavigationBarController,
+                mAccessibilityFloatingMenuController,
                 () -> mAssistManager,
                 configurationController,
                 mNotificationShadeWindowController,