Address a couple small followups for TaskbarInsetsController

- Added no-op onDestroy()
- Reformated some if conditions, also adding
  AbstractFloatingView.hasOpenView()

Test: TaplTestsTaskbar
Bug: 215411414
Change-Id: I89b39ca5fabd03f5ac0f25d6ef69170683cf060d
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarControllers.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarControllers.java
index 5d3a152..ff08e3d 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarControllers.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarControllers.java
@@ -160,6 +160,7 @@
         taskbarForceVisibleImmersiveController.onDestroy();
         taskbarAllAppsController.onDestroy();
         navButtonController.onDestroy();
+        taskbarInsetsController.onDestroy();
 
         mControllersToLog = null;
     }
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarInsetsController.kt b/quickstep/src/com/android/launcher3/taskbar/TaskbarInsetsController.kt
index 9571798..9870a2e 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarInsetsController.kt
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarInsetsController.kt
@@ -18,6 +18,7 @@
 import android.graphics.Insets
 import android.view.WindowManager
 import com.android.launcher3.AbstractFloatingView
+import com.android.launcher3.AbstractFloatingView.TYPE_TASKBAR_ALL_APPS
 import com.android.launcher3.R
 import com.android.launcher3.anim.AlphaUpdateListener
 import com.android.launcher3.taskbar.TaskbarControllers.LoggableTaskbarController
@@ -61,6 +62,8 @@
         windowLayoutParams.insetsRoundedCornerFrame = true
     }
 
+    fun onDestroy() {}
+
     fun onTaskbarWindowHeightOrInsetsChanged() {
         var reducingSize = getReducingInsetsForTaskbarInsetsHeight(
             controllers.taskbarStashController.contentHeightToReportToApps)
@@ -106,18 +109,11 @@
         } else if (controllers.taskbarDragController.isSystemDragInProgress) {
             // Let touches pass through us.
             insetsInfo.setTouchableInsets(InsetsInfo.TOUCHABLE_INSETS_REGION)
-        } else if (AbstractFloatingView.getOpenView<AbstractFloatingView?>(
-                context,
-                AbstractFloatingView.TYPE_TASKBAR_ALL_APPS
-            ) != null
-        ) {
+        } else if (AbstractFloatingView.hasOpenView(context, TYPE_TASKBAR_ALL_APPS)) {
             // Let touches pass through us.
             insetsInfo.setTouchableInsets(InsetsInfo.TOUCHABLE_INSETS_REGION)
         } else if (controllers.taskbarViewController.areIconsVisible()
-            || AbstractFloatingView.getOpenView<AbstractFloatingView?>(
-                context,
-                AbstractFloatingView.TYPE_ALL
-            ) != null
+            || AbstractFloatingView.hasOpenView(context, AbstractFloatingView.TYPE_ALL)
             || context.isNavBarKidsModeActive
         ) {
             // Taskbar has some touchable elements, take over the full taskbar area
diff --git a/src/com/android/launcher3/AbstractFloatingView.java b/src/com/android/launcher3/AbstractFloatingView.java
index 4386f41..90869c2 100644
--- a/src/com/android/launcher3/AbstractFloatingView.java
+++ b/src/com/android/launcher3/AbstractFloatingView.java
@@ -208,6 +208,13 @@
     }
 
     /**
+     * Returns whether there is at least one view of the given type where {@link #isOpen()} == true.
+     */
+    public static boolean hasOpenView(ActivityContext activity, @FloatingViewType int type) {
+        return getOpenView(activity, type) != null;
+    }
+
+    /**
      * Returns a view matching FloatingViewType, and {@link #isOpen()} may be false (if animating
      * closed).
      */