Use aconfig flag for desktop mode

Refactors all flag access in Launcher to be from DesktopTaskView and using a method instead of a static field.
Also using static import for the method so if we need to move it, only imports needs to be updated.

Bug: 304778354
Flag: ACONFIG com.android.wm.shell.enable_desktop_windowing TEAMFOOD
Test: enable the aconfig flag, check that desktop windowing is available

Change-Id: Ia2bdfd865802a635878d72cfb5a90c21dad6ed08
diff --git a/quickstep/src/com/android/launcher3/statehandlers/DesktopVisibilityController.java b/quickstep/src/com/android/launcher3/statehandlers/DesktopVisibilityController.java
index 00a282a..a7e8118 100644
--- a/quickstep/src/com/android/launcher3/statehandlers/DesktopVisibilityController.java
+++ b/quickstep/src/com/android/launcher3/statehandlers/DesktopVisibilityController.java
@@ -17,6 +17,7 @@
 
 import static com.android.launcher3.LauncherState.BACKGROUND_APP;
 import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
+import static com.android.quickstep.views.DesktopTaskView.isDesktopModeSupported;
 
 import android.os.Debug;
 import android.os.SystemProperties;
@@ -106,13 +107,6 @@
     }
 
     /**
-     * Whether desktop mode is supported.
-     */
-    private boolean isDesktopModeSupported() {
-        return SystemProperties.getBoolean("persist.wm.debug.desktop_mode_2", false);
-    }
-
-    /**
      * Whether freeform windows are visible in desktop mode.
      */
     public boolean areFreeformTasksVisible() {
diff --git a/quickstep/src/com/android/launcher3/taskbar/KeyboardQuickSwitchController.java b/quickstep/src/com/android/launcher3/taskbar/KeyboardQuickSwitchController.java
index dda8446..f58fd45 100644
--- a/quickstep/src/com/android/launcher3/taskbar/KeyboardQuickSwitchController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/KeyboardQuickSwitchController.java
@@ -15,6 +15,8 @@
  */
 package com.android.launcher3.taskbar;
 
+import static com.android.quickstep.views.DesktopTaskView.isDesktopModeSupported;
+
 import android.content.ComponentName;
 import android.content.pm.ActivityInfo;
 
@@ -28,7 +30,6 @@
 import com.android.quickstep.RecentsModel;
 import com.android.quickstep.util.DesktopTask;
 import com.android.quickstep.util.GroupTask;
-import com.android.quickstep.views.DesktopTaskView;
 import com.android.systemui.shared.recents.model.Task;
 import com.android.systemui.shared.recents.model.ThumbnailData;
 
@@ -109,7 +110,7 @@
         DesktopVisibilityController desktopController =
                 LauncherActivityInterface.INSTANCE.getDesktopVisibilityController();
         final boolean onDesktop =
-                DesktopTaskView.DESKTOP_MODE_SUPPORTED
+                isDesktopModeSupported()
                         && desktopController != null
                         && desktopController.areFreeformTasksVisible();
 
@@ -136,7 +137,7 @@
 
         // Hide all desktop tasks and show them on the hidden tile
         int hiddenDesktopTasks = 0;
-        if (DesktopTaskView.DESKTOP_MODE_SUPPORTED) {
+        if (isDesktopModeSupported()) {
             DesktopTask desktopTask = findDesktopTask(tasks);
             if (desktopTask != null) {
                 hiddenDesktopTasks = desktopTask.tasks.size();
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarNavButtonController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarNavButtonController.java
index 533785f..3f72e5d 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarNavButtonController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarNavButtonController.java
@@ -27,6 +27,7 @@
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_TASKBAR_IME_SWITCHER_BUTTON_TAP;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_TASKBAR_OVERVIEW_BUTTON_LONGPRESS;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_TASKBAR_OVERVIEW_BUTTON_TAP;
+import static com.android.quickstep.views.DesktopTaskView.isDesktopModeSupported;
 import static com.android.systemui.shared.system.ActivityManagerWrapper.CLOSE_SYSTEM_WINDOWS_REASON_HOME_KEY;
 import static com.android.systemui.shared.system.ActivityManagerWrapper.CLOSE_SYSTEM_WINDOWS_REASON_RECENTS;
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_SCREEN_PINNING;
@@ -52,7 +53,6 @@
 import com.android.quickstep.TaskUtils;
 import com.android.quickstep.TouchInteractionService;
 import com.android.quickstep.util.AssistUtils;
-import com.android.quickstep.views.DesktopTaskView;
 
 import java.io.PrintWriter;
 import java.lang.annotation.Retention;
@@ -274,7 +274,7 @@
     private void navigateHome() {
         TaskUtils.closeSystemWindowsAsync(CLOSE_SYSTEM_WINDOWS_REASON_HOME_KEY);
 
-        if (DesktopTaskView.DESKTOP_MODE_SUPPORTED) {
+        if (isDesktopModeSupported()) {
             DesktopVisibilityController desktopVisibilityController =
                     LauncherActivityInterface.INSTANCE.getDesktopVisibilityController();
             if (desktopVisibilityController != null) {
diff --git a/quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java b/quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
index 009b1bd..a101c20 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
@@ -19,7 +19,6 @@
 import static android.os.Trace.TRACE_TAG_APP;
 import static android.view.WindowManager.LayoutParams.PRIVATE_FLAG_OPTIMIZE_MEASURE;
 import static android.view.accessibility.AccessibilityEvent.TYPE_VIEW_FOCUSED;
-
 import static com.android.app.animation.Interpolators.EMPHASIZED;
 import static com.android.launcher3.LauncherSettings.Animation.DEFAULT_NO_ICON;
 import static com.android.launcher3.LauncherSettings.Animation.VIEW_BACKGROUND;
@@ -51,6 +50,7 @@
 import static com.android.launcher3.util.DisplayController.CHANGE_NAVIGATION_MODE;
 import static com.android.launcher3.util.Executors.UI_HELPER_EXECUTOR;
 import static com.android.quickstep.util.SplitAnimationTimings.TABLET_HOME_TO_SPLIT;
+import static com.android.quickstep.views.DesktopTaskView.isDesktopModeSupported;
 import static com.android.systemui.shared.system.ActivityManagerWrapper.CLOSE_SYSTEM_WINDOWS_REASON_HOME_KEY;
 import static com.android.wm.shell.common.split.SplitScreenConstants.SNAP_TO_50_50;
 
@@ -164,7 +164,6 @@
 import com.android.quickstep.util.SplitToWorkspaceController;
 import com.android.quickstep.util.SplitWithKeyboardShortcutController;
 import com.android.quickstep.util.TISBindHelper;
-import com.android.quickstep.views.DesktopTaskView;
 import com.android.quickstep.views.FloatingTaskView;
 import com.android.quickstep.views.OverviewActionsView;
 import com.android.quickstep.views.RecentsView;
@@ -246,7 +245,7 @@
                         getDepthController(), getStatsLogManager(),
                         systemUiProxy, RecentsModel.INSTANCE.get(this),
                         () -> onStateBack());
-        if (DesktopTaskView.DESKTOP_MODE_SUPPORTED) {
+        if (isDesktopModeSupported()) {
             mDesktopRecentsTransitionController = new DesktopRecentsTransitionController(
                     getStateManager(), systemUiProxy, getIApplicationThread(),
                     getDepthController());
@@ -272,7 +271,7 @@
         mTISBindHelper = new TISBindHelper(this, this::onTISConnected);
         mDepthController = new DepthController(this);
         mDesktopVisibilityController = new DesktopVisibilityController(this);
-        if (DesktopTaskView.DESKTOP_MODE_SUPPORTED) {
+        if (isDesktopModeSupported()) {
             mDesktopVisibilityController.registerSystemUiListener();
             mSplitSelectStateController.initSplitFromDesktopController(this);
         }
@@ -889,7 +888,7 @@
 
     @Override
     public void setResumed() {
-        if (DesktopTaskView.DESKTOP_MODE_SUPPORTED) {
+        if (isDesktopModeSupported()) {
             DesktopVisibilityController controller = mDesktopVisibilityController;
             if (controller != null && controller.areFreeformTasksVisible()
                     && !controller.isRecentsGestureInProgress()) {
diff --git a/quickstep/src/com/android/launcher3/uioverrides/states/BackgroundAppState.java b/quickstep/src/com/android/launcher3/uioverrides/states/BackgroundAppState.java
index e578720..d11a08b 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/states/BackgroundAppState.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/states/BackgroundAppState.java
@@ -17,6 +17,7 @@
 
 import static com.android.launcher3.logging.StatsLogManager.LAUNCHER_STATE_BACKGROUND;
 import static com.android.quickstep.TaskAnimationManager.ENABLE_SHELL_TRANSITIONS;
+import static com.android.quickstep.views.DesktopTaskView.isDesktopModeSupported;
 
 import android.content.Context;
 import android.graphics.Color;
@@ -26,7 +27,6 @@
 import com.android.launcher3.Launcher;
 import com.android.launcher3.allapps.AllAppsTransitionController;
 import com.android.quickstep.util.LayoutUtils;
-import com.android.quickstep.views.DesktopTaskView;
 import com.android.quickstep.views.RecentsView;
 
 /**
@@ -90,7 +90,7 @@
 
     @Override
     protected float getDepthUnchecked(Context context) {
-        if (DesktopTaskView.DESKTOP_MODE_SUPPORTED) {
+        if (isDesktopModeSupported()) {
             if (Launcher.getLauncher(context).areFreeformTasksVisible()) {
                 // Don't blur the background while freeform tasks are visible
                 return 0;
diff --git a/quickstep/src/com/android/launcher3/uioverrides/states/QuickSwitchState.java b/quickstep/src/com/android/launcher3/uioverrides/states/QuickSwitchState.java
index 7392469..ba44d6a 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/states/QuickSwitchState.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/states/QuickSwitchState.java
@@ -16,6 +16,7 @@
 package com.android.launcher3.uioverrides.states;
 
 import static com.android.launcher3.logging.StatsLogManager.LAUNCHER_STATE_BACKGROUND;
+import static com.android.quickstep.views.DesktopTaskView.isDesktopModeSupported;
 
 import android.graphics.Color;
 
@@ -23,7 +24,6 @@
 import com.android.launcher3.Launcher;
 import com.android.launcher3.R;
 import com.android.launcher3.util.Themes;
-import com.android.quickstep.views.DesktopTaskView;
 
 /**
  * State to indicate we are about to launch a recent task. Note that this state is only used when
@@ -46,7 +46,7 @@
 
     @Override
     public int getWorkspaceScrimColor(Launcher launcher) {
-        if (DesktopTaskView.DESKTOP_MODE_SUPPORTED) {
+        if (isDesktopModeSupported()) {
             if (launcher.areFreeformTasksVisible()) {
                 // No scrim while freeform tasks are visible
                 return Color.TRANSPARENT;
diff --git a/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/NoButtonQuickSwitchTouchController.java b/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/NoButtonQuickSwitchTouchController.java
index 6f421eb..968faf0 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/NoButtonQuickSwitchTouchController.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/NoButtonQuickSwitchTouchController.java
@@ -16,7 +16,6 @@
 package com.android.launcher3.uioverrides.touchcontrollers;
 
 import static android.view.MotionEvent.ACTION_DOWN;
-
 import static com.android.app.animation.Interpolators.ACCELERATE_0_75;
 import static com.android.app.animation.Interpolators.DECELERATE_3;
 import static com.android.app.animation.Interpolators.LINEAR;
@@ -49,6 +48,7 @@
 import static com.android.launcher3.util.NavigationMode.THREE_BUTTONS;
 import static com.android.launcher3.util.VibratorWrapper.OVERVIEW_HAPTIC;
 import static com.android.launcher3.util.window.RefreshRateTracker.getSingleFrameMs;
+import static com.android.quickstep.views.DesktopTaskView.isDesktopModeSupported;
 import static com.android.quickstep.views.RecentsView.ADJACENT_PAGE_HORIZONTAL_OFFSET;
 import static com.android.quickstep.views.RecentsView.CONTENT_ALPHA;
 import static com.android.quickstep.views.RecentsView.FULLSCREEN_PROGRESS;
@@ -83,7 +83,6 @@
 import com.android.quickstep.util.LayoutUtils;
 import com.android.quickstep.util.MotionPauseDetector;
 import com.android.quickstep.util.WorkspaceRevealAnim;
-import com.android.quickstep.views.DesktopTaskView;
 import com.android.quickstep.views.LauncherRecentsView;
 import com.android.quickstep.views.RecentsView;
 import com.android.systemui.shared.system.InteractionJankMonitorWrapper;
@@ -177,7 +176,7 @@
         if ((stateFlags & SYSUI_STATE_OVERVIEW_DISABLED) != 0) {
             return false;
         }
-        if (DesktopTaskView.DESKTOP_MODE_SUPPORTED) {
+        if (isDesktopModeSupported()) {
             // TODO(b/268075592): add support for quickswitch to/from desktop
             return false;
         }
diff --git a/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/QuickSwitchTouchController.java b/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/QuickSwitchTouchController.java
index 9a35bb2..ff142fe 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/QuickSwitchTouchController.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/QuickSwitchTouchController.java
@@ -30,6 +30,7 @@
 import static com.android.launcher3.states.StateAnimationConfig.ANIM_WORKSPACE_FADE;
 import static com.android.launcher3.states.StateAnimationConfig.ANIM_WORKSPACE_TRANSLATE;
 import static com.android.launcher3.util.SystemUiController.UI_STATE_FULLSCREEN_TASK;
+import static com.android.quickstep.views.DesktopTaskView.isDesktopModeSupported;
 import static com.android.quickstep.views.RecentsView.ADJACENT_PAGE_HORIZONTAL_OFFSET;
 import static com.android.quickstep.views.RecentsView.RECENTS_SCALE_PROPERTY;
 import static com.android.quickstep.views.RecentsView.UPDATE_SYSUI_FLAGS_THRESHOLD;
@@ -48,7 +49,6 @@
 import com.android.launcher3.util.NavigationMode;
 import com.android.quickstep.SystemUiProxy;
 import com.android.quickstep.TaskUtils;
-import com.android.quickstep.views.DesktopTaskView;
 import com.android.quickstep.views.RecentsView;
 import com.android.quickstep.views.TaskView;
 
@@ -79,7 +79,7 @@
         if ((ev.getEdgeFlags() & Utilities.EDGE_NAV_BAR) == 0) {
             return false;
         }
-        if (DesktopTaskView.DESKTOP_MODE_SUPPORTED) {
+        if (isDesktopModeSupported()) {
             // TODO(b/268075592): add support for quickswitch to/from desktop
             return false;
         }
diff --git a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
index 4dfa81d..ccd83d2 100644
--- a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
+++ b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
@@ -20,7 +20,6 @@
 import static android.view.Surface.ROTATION_270;
 import static android.view.Surface.ROTATION_90;
 import static android.widget.Toast.LENGTH_SHORT;
-
 import static com.android.app.animation.Interpolators.ACCELERATE_DECELERATE;
 import static com.android.app.animation.Interpolators.DECELERATE;
 import static com.android.app.animation.Interpolators.OVERSHOOT_1_2;
@@ -54,6 +53,7 @@
 import static com.android.quickstep.util.ActiveGestureErrorDetector.GestureEvent.INVALID_VELOCITY_ON_SWIPE_UP;
 import static com.android.quickstep.util.ActiveGestureErrorDetector.GestureEvent.LAUNCHER_DESTROYED;
 import static com.android.quickstep.util.ActiveGestureErrorDetector.GestureEvent.ON_SETTLED_ON_END_TARGET;
+import static com.android.quickstep.views.DesktopTaskView.isDesktopModeSupported;
 import static com.android.quickstep.views.RecentsView.UPDATE_SYSUI_FLAGS_THRESHOLD;
 import static com.android.systemui.shared.system.ActivityManagerWrapper.CLOSE_SYSTEM_WINDOWS_REASON_RECENTS;
 
@@ -132,7 +132,6 @@
 import com.android.quickstep.util.SurfaceTransactionApplier;
 import com.android.quickstep.util.SwipePipToHomeAnimator;
 import com.android.quickstep.util.TaskViewSimulator;
-import com.android.quickstep.views.DesktopTaskView;
 import com.android.quickstep.views.RecentsView;
 import com.android.quickstep.views.TaskView;
 import com.android.quickstep.views.TaskView.TaskIdAttributeContainer;
@@ -936,7 +935,7 @@
     public void onRecentsAnimationStart(RecentsAnimationController controller,
             RecentsAnimationTargets targets) {
         super.onRecentsAnimationStart(controller, targets);
-        if (DesktopTaskView.DESKTOP_MODE_SUPPORTED && targets.hasDesktopTasks()) {
+        if (isDesktopModeSupported() && targets.hasDesktopTasks()) {
             mRemoteTargetHandles = mTargetGluer.assignTargetsForDesktop(targets);
         } else {
             int untrimmedAppCount = mRemoteTargetHandles.length;
@@ -1162,7 +1161,7 @@
                 mStateCallback.setState(STATE_SCALED_CONTROLLER_HOME | STATE_CAPTURE_SCREENSHOT);
                 // Notify the SysUI to use fade-in animation when entering PiP
                 SystemUiProxy.INSTANCE.get(mContext).setPipAnimationTypeToAlpha();
-                if (DesktopTaskView.DESKTOP_MODE_SUPPORTED) {
+                if (isDesktopModeSupported()) {
                     // Notify the SysUI to stash desktop apps if they are visible
                     DesktopVisibilityController desktopVisibilityController =
                             mActivityInterface.getDesktopVisibilityController();
@@ -1247,7 +1246,7 @@
             return LAST_TASK;
         }
 
-        if (DesktopTaskView.DESKTOP_MODE_SUPPORTED && endTarget == NEW_TASK) {
+        if (isDesktopModeSupported() && endTarget == NEW_TASK) {
             // TODO(b/268075592): add support for quickswitch to/from desktop
             return LAST_TASK;
         }
diff --git a/quickstep/src/com/android/quickstep/BaseActivityInterface.java b/quickstep/src/com/android/quickstep/BaseActivityInterface.java
index 88933f4..2dd6a29 100644
--- a/quickstep/src/com/android/quickstep/BaseActivityInterface.java
+++ b/quickstep/src/com/android/quickstep/BaseActivityInterface.java
@@ -25,6 +25,7 @@
 import static com.android.quickstep.GestureState.GestureEndTarget.RECENTS;
 import static com.android.quickstep.util.RecentsAtomicAnimationFactory.INDEX_RECENTS_FADE_ANIM;
 import static com.android.quickstep.util.RecentsAtomicAnimationFactory.INDEX_RECENTS_TRANSLATE_X_ANIM;
+import static com.android.quickstep.views.DesktopTaskView.isDesktopModeSupported;
 import static com.android.quickstep.views.RecentsView.ADJACENT_PAGE_HORIZONTAL_OFFSET;
 import static com.android.quickstep.views.RecentsView.FULLSCREEN_PROGRESS;
 import static com.android.quickstep.views.RecentsView.RECENTS_SCALE_PROPERTY;
@@ -65,7 +66,6 @@
 import com.android.launcher3.views.ScrimView;
 import com.android.quickstep.util.ActivityInitListener;
 import com.android.quickstep.util.AnimatorControllerWithResistance;
-import com.android.quickstep.views.DesktopTaskView;
 import com.android.quickstep.views.RecentsView;
 import com.android.systemui.shared.recents.model.ThumbnailData;
 
@@ -111,7 +111,7 @@
         if (endTarget != null) {
             // We were on our way to this state when we got canceled, end there instead.
             startState = stateFromGestureEndTarget(endTarget);
-            if (DesktopTaskView.DESKTOP_MODE_SUPPORTED) {
+            if (isDesktopModeSupported()) {
                 DesktopVisibilityController controller = getDesktopVisibilityController();
                 if (controller != null && controller.areFreeformTasksVisible()
                         && endTarget == LAST_TASK) {
diff --git a/quickstep/src/com/android/quickstep/RecentTasksList.java b/quickstep/src/com/android/quickstep/RecentTasksList.java
index 3bc77ff..7c263b8 100644
--- a/quickstep/src/com/android/quickstep/RecentTasksList.java
+++ b/quickstep/src/com/android/quickstep/RecentTasksList.java
@@ -20,7 +20,7 @@
 
 import static com.android.launcher3.util.Executors.UI_HELPER_EXECUTOR;
 import static com.android.quickstep.util.SplitScreenUtils.convertShellSplitBoundsToLauncher;
-import static com.android.quickstep.views.DesktopTaskView.DESKTOP_MODE_SUPPORTED;
+import static com.android.quickstep.views.DesktopTaskView.isDesktopModeSupported;
 import static com.android.wm.shell.util.GroupedRecentTaskInfo.TYPE_FREEFORM;
 
 import android.annotation.TargetApi;
@@ -273,7 +273,7 @@
 
         int numVisibleTasks = 0;
         for (GroupedRecentTaskInfo rawTask : rawTasks) {
-            if (DESKTOP_MODE_SUPPORTED && rawTask.getType() == TYPE_FREEFORM) {
+            if (isDesktopModeSupported() && rawTask.getType() == TYPE_FREEFORM) {
                 GroupTask desktopTask = createDesktopTask(rawTask);
                 allTasks.add(desktopTask);
                 continue;
diff --git a/quickstep/src/com/android/quickstep/RecentsActivity.java b/quickstep/src/com/android/quickstep/RecentsActivity.java
index 38e896e..961d8c0 100644
--- a/quickstep/src/com/android/quickstep/RecentsActivity.java
+++ b/quickstep/src/com/android/quickstep/RecentsActivity.java
@@ -18,7 +18,6 @@
 import static android.os.Trace.TRACE_TAG_APP;
 import static android.view.RemoteAnimationTarget.MODE_CLOSING;
 import static android.view.RemoteAnimationTarget.MODE_OPENING;
-
 import static com.android.launcher3.QuickstepTransitionManager.RECENTS_LAUNCH_DURATION;
 import static com.android.launcher3.QuickstepTransitionManager.STATUS_BAR_TRANSITION_DURATION;
 import static com.android.launcher3.QuickstepTransitionManager.STATUS_BAR_TRANSITION_PRE_DELAY;
@@ -26,6 +25,7 @@
 import static com.android.quickstep.OverviewComponentObserver.startHomeIntentSafely;
 import static com.android.quickstep.TaskUtils.taskIsATargetWithMode;
 import static com.android.quickstep.TaskViewUtils.createRecentsWindowAnimator;
+import static com.android.quickstep.views.DesktopTaskView.isDesktopModeSupported;
 
 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
@@ -81,7 +81,6 @@
 import com.android.quickstep.util.RecentsAtomicAnimationFactory;
 import com.android.quickstep.util.SplitSelectStateController;
 import com.android.quickstep.util.TISBindHelper;
-import com.android.quickstep.views.DesktopTaskView;
 import com.android.quickstep.views.OverviewActionsView;
 import com.android.quickstep.views.RecentsView;
 import com.android.quickstep.views.TaskView;
@@ -142,7 +141,7 @@
                         systemUiProxy, RecentsModel.INSTANCE.get(this),
                         null /*activityBackCallback*/);
         mDragLayer.recreateControllers();
-        if (DesktopTaskView.DESKTOP_MODE_SUPPORTED) {
+        if (isDesktopModeSupported()) {
             mDesktopRecentsTransitionController = new DesktopRecentsTransitionController(
                     getStateManager(), systemUiProxy, getIApplicationThread(),
                     null /* depthController */
diff --git a/quickstep/src/com/android/quickstep/RecentsAnimationTargets.java b/quickstep/src/com/android/quickstep/RecentsAnimationTargets.java
index 67c56e3..556dd7e 100644
--- a/quickstep/src/com/android/quickstep/RecentsAnimationTargets.java
+++ b/quickstep/src/com/android/quickstep/RecentsAnimationTargets.java
@@ -17,14 +17,13 @@
 
 import static android.app.WindowConfiguration.WINDOWING_MODE_FREEFORM;
 import static android.view.RemoteAnimationTarget.MODE_CLOSING;
+import static com.android.quickstep.views.DesktopTaskView.isDesktopModeSupported;
 
 import android.app.WindowConfiguration;
 import android.graphics.Rect;
 import android.os.Bundle;
 import android.view.RemoteAnimationTarget;
 
-import com.android.quickstep.views.DesktopTaskView;
-
 /**
  * Extension of {@link RemoteAnimationTargets} with additional information about swipe
  * up animation
@@ -53,7 +52,7 @@
      * @return {@code true} if at least one target app is a desktop task
      */
     public boolean hasDesktopTasks() {
-        if (!DesktopTaskView.DESKTOP_MODE_SUPPORTED) {
+        if (!isDesktopModeSupported()) {
             return false;
         }
         for (RemoteAnimationTarget target : apps) {
diff --git a/quickstep/src/com/android/quickstep/RemoteTargetGluer.java b/quickstep/src/com/android/quickstep/RemoteTargetGluer.java
index 3af5ab7..98d0ece 100644
--- a/quickstep/src/com/android/quickstep/RemoteTargetGluer.java
+++ b/quickstep/src/com/android/quickstep/RemoteTargetGluer.java
@@ -17,6 +17,7 @@
 package com.android.quickstep;
 
 import static com.android.quickstep.util.SplitScreenUtils.convertShellSplitBoundsToLauncher;
+import static com.android.quickstep.views.DesktopTaskView.isDesktopModeSupported;
 import static com.android.wm.shell.util.SplitBounds.KEY_EXTRA_SPLIT_BOUNDS;
 
 import android.content.Context;
@@ -30,7 +31,6 @@
 import com.android.quickstep.util.AnimatorControllerWithResistance;
 import com.android.quickstep.util.TaskViewSimulator;
 import com.android.quickstep.util.TransformParams;
-import com.android.quickstep.views.DesktopTaskView;
 import com.android.wm.shell.util.SplitBounds;
 
 import java.util.ArrayList;
@@ -61,7 +61,7 @@
      * running tasks
      */
     public RemoteTargetGluer(Context context, BaseActivityInterface sizingStrategy) {
-        if (DesktopTaskView.DESKTOP_MODE_SUPPORTED) {
+        if (isDesktopModeSupported()) {
             // TODO(279931899): binder call, only for prototyping. Creating the gluer should be
             //  postponed so we can create it when we have the remote animation targets ready.
             int desktopTasks = SystemUiProxy.INSTANCE.get(context).getVisibleDesktopTaskCount(
diff --git a/quickstep/src/com/android/quickstep/TaskShortcutFactory.java b/quickstep/src/com/android/quickstep/TaskShortcutFactory.java
index e8adcab..96e39c4 100644
--- a/quickstep/src/com/android/quickstep/TaskShortcutFactory.java
+++ b/quickstep/src/com/android/quickstep/TaskShortcutFactory.java
@@ -20,6 +20,7 @@
 import static android.content.Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS;
 
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_SYSTEM_SHORTCUT_FREE_FORM_TAP;
+import static com.android.quickstep.views.DesktopTaskView.isDesktopModeSupported;
 
 import android.app.Activity;
 import android.app.ActivityOptions;
@@ -29,7 +30,6 @@
 import android.os.Handler;
 import android.os.Looper;
 import android.os.RemoteException;
-import android.os.SystemProperties;
 import android.provider.Settings;
 import android.util.Log;
 import android.view.View;
@@ -351,7 +351,7 @@
             return Settings.Global.getInt(
                         activity.getContentResolver(),
                         Settings.Global.DEVELOPMENT_ENABLE_FREEFORM_WINDOWS_SUPPORT, 0) != 0
-                    && !SystemProperties.getBoolean("persist.wm.debug.desktop_mode_2", false);
+                    && !isDesktopModeSupported();
         }
     };
 
diff --git a/quickstep/src/com/android/quickstep/TaskViewUtils.java b/quickstep/src/com/android/quickstep/TaskViewUtils.java
index 819f249..662a895 100644
--- a/quickstep/src/com/android/quickstep/TaskViewUtils.java
+++ b/quickstep/src/com/android/quickstep/TaskViewUtils.java
@@ -39,7 +39,7 @@
 import static com.android.launcher3.QuickstepTransitionManager.SPLIT_LAUNCH_DURATION;
 import static com.android.launcher3.Utilities.getDescendantCoordRelativeToAncestor;
 import static com.android.launcher3.util.MultiPropertyFactory.MULTI_PROPERTY_VALUE;
-import static com.android.quickstep.views.DesktopTaskView.DESKTOP_MODE_SUPPORTED;
+import static com.android.quickstep.views.DesktopTaskView.isDesktopModeSupported;
 
 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
@@ -185,7 +185,7 @@
             // Re-use existing handles
             remoteTargetHandles = recentsViewHandles;
         } else {
-            boolean forDesktop = DESKTOP_MODE_SUPPORTED && v instanceof DesktopTaskView;
+            boolean forDesktop = isDesktopModeSupported() && v instanceof DesktopTaskView;
             RemoteTargetGluer gluer = new RemoteTargetGluer(v.getContext(),
                     recentsView.getSizeStrategy(), targets, forDesktop);
             if (forDesktop) {
diff --git a/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java b/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java
index c873152..145707b 100644
--- a/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java
+++ b/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java
@@ -31,6 +31,7 @@
 import static com.android.quickstep.util.SplitSelectDataHolder.SPLIT_TASK_PENDINGINTENT;
 import static com.android.quickstep.util.SplitSelectDataHolder.SPLIT_TASK_SHORTCUT;
 import static com.android.quickstep.util.SplitSelectDataHolder.SPLIT_TASK_TASK;
+import static com.android.quickstep.views.DesktopTaskView.isDesktopModeSupported;
 import static com.android.wm.shell.common.split.SplitScreenConstants.SNAP_TO_50_50;
 
 import android.animation.Animator;
@@ -91,7 +92,6 @@
 import com.android.quickstep.SystemUiProxy;
 import com.android.quickstep.TaskAnimationManager;
 import com.android.quickstep.TaskViewUtils;
-import com.android.quickstep.views.DesktopTaskView;
 import com.android.quickstep.views.FloatingTaskView;
 import com.android.quickstep.views.GroupedTaskView;
 import com.android.quickstep.views.RecentsView;
@@ -814,7 +814,7 @@
                 @Override
                 public boolean onRequestSplitSelect(ActivityManager.RunningTaskInfo taskInfo,
                         int splitPosition, Rect taskBounds) {
-                    if (!DesktopTaskView.DESKTOP_MODE_SUPPORTED) return false;
+                    if (!isDesktopModeSupported()) return false;
                     MAIN_EXECUTOR.execute(() -> enterSplitSelect(taskInfo, splitPosition,
                             taskBounds));
                     return true;
diff --git a/quickstep/src/com/android/quickstep/util/SplitToWorkspaceController.java b/quickstep/src/com/android/quickstep/util/SplitToWorkspaceController.java
index 1b80388..3748a24 100644
--- a/quickstep/src/com/android/quickstep/util/SplitToWorkspaceController.java
+++ b/quickstep/src/com/android/quickstep/util/SplitToWorkspaceController.java
@@ -18,6 +18,7 @@
 
 import static com.android.launcher3.config.FeatureFlags.ENABLE_SPLIT_FROM_FULLSCREEN_WITH_KEYBOARD_SHORTCUTS;
 import static com.android.launcher3.util.Executors.MODEL_EXECUTOR;
+import static com.android.quickstep.views.DesktopTaskView.isDesktopModeSupported;
 
 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
@@ -44,7 +45,6 @@
 import com.android.launcher3.icons.IconCache;
 import com.android.launcher3.model.data.PackageItemInfo;
 import com.android.launcher3.model.data.WorkspaceItemInfo;
-import com.android.quickstep.views.DesktopTaskView;
 import com.android.quickstep.views.FloatingTaskView;
 import com.android.quickstep.views.RecentsView;
 import com.android.systemui.shared.system.InteractionJankMonitorWrapper;
@@ -193,7 +193,7 @@
     private boolean shouldIgnoreSecondSplitLaunch() {
         return (!ENABLE_SPLIT_FROM_FULLSCREEN_WITH_KEYBOARD_SHORTCUTS.get()
                 && !FeatureFlags.enableSplitContextually()
-                && !DesktopTaskView.DESKTOP_MODE_SUPPORTED)
+                && !isDesktopModeSupported())
                 || !mController.isSplitSelectActive();
     }
 }
diff --git a/quickstep/src/com/android/quickstep/views/DesktopTaskView.java b/quickstep/src/com/android/quickstep/views/DesktopTaskView.java
index 9ff990e..a10d2ed 100644
--- a/quickstep/src/com/android/quickstep/views/DesktopTaskView.java
+++ b/quickstep/src/com/android/quickstep/views/DesktopTaskView.java
@@ -17,7 +17,6 @@
 package com.android.quickstep.views;
 
 import static android.view.ViewGroup.LayoutParams.WRAP_CONTENT;
-
 import static com.android.launcher3.util.SplitConfigurationOptions.STAGE_POSITION_UNDEFINED;
 
 import android.content.Context;
@@ -52,6 +51,7 @@
 import com.android.systemui.shared.recents.model.Task;
 import com.android.systemui.shared.recents.model.ThumbnailData;
 import com.android.systemui.shared.system.QuickStepContract;
+import com.android.wm.shell.Flags;
 
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -68,10 +68,11 @@
 // TODO(b/249371338): TaskView needs to be refactored to have better support for N tasks.
 public class DesktopTaskView extends TaskView {
 
-    /** Flag to indicate whether desktop windowing proto 2 is enabled */
-    public static final boolean DESKTOP_MODE_SUPPORTED = SystemProperties.getBoolean(
+    private static final boolean DESKTOP_MODE_SUPPORTED = SystemProperties.getBoolean(
             "persist.wm.debug.desktop_mode_2", false);
 
+    private static final boolean ENABLE_DESKTOP_WINDOWING = Flags.enableDesktopWindowing();
+
     private static final String TAG = DesktopTaskView.class.getSimpleName();
 
     private static final boolean DEBUG = false;
@@ -90,6 +91,17 @@
 
     private View mBackgroundView;
 
+    /** Check whether desktop windowing is enabled */
+    public static boolean isDesktopModeSupported() {
+        // Check for aconfig flag first
+        if (ENABLE_DESKTOP_WINDOWING) {
+            return true;
+        }
+        // Fall back to sysprop flag
+        // TODO(b/304778354): remove sysprop once desktop aconfig flag supports dynamic overriding
+        return DESKTOP_MODE_SUPPORTED;
+    }
+
     public DesktopTaskView(Context context) {
         this(context, null);
     }
diff --git a/quickstep/src/com/android/quickstep/views/LauncherRecentsView.java b/quickstep/src/com/android/quickstep/views/LauncherRecentsView.java
index 7ff2de9..a265146 100644
--- a/quickstep/src/com/android/quickstep/views/LauncherRecentsView.java
+++ b/quickstep/src/com/android/quickstep/views/LauncherRecentsView.java
@@ -25,6 +25,7 @@
 import static com.android.launcher3.LauncherState.OVERVIEW_MODAL_TASK;
 import static com.android.launcher3.LauncherState.OVERVIEW_SPLIT_SELECT;
 import static com.android.launcher3.LauncherState.SPRING_LOADED;
+import static com.android.quickstep.views.DesktopTaskView.isDesktopModeSupported;
 
 import android.annotation.TargetApi;
 import android.content.Context;
@@ -255,7 +256,7 @@
         DesktopVisibilityController desktopVisibilityController = null;
         boolean showDesktopApps = false;
         GestureState.GestureEndTarget endTarget = null;
-        if (DesktopTaskView.DESKTOP_MODE_SUPPORTED) {
+        if (isDesktopModeSupported()) {
             desktopVisibilityController = mActivity.getDesktopVisibilityController();
             endTarget = mCurrentGestureEndTarget;
             if (endTarget == GestureState.GestureEndTarget.LAST_TASK
diff --git a/quickstep/src/com/android/quickstep/views/RecentsView.java b/quickstep/src/com/android/quickstep/views/RecentsView.java
index b3d8da7..c44d1f2 100644
--- a/quickstep/src/com/android/quickstep/views/RecentsView.java
+++ b/quickstep/src/com/android/quickstep/views/RecentsView.java
@@ -56,7 +56,7 @@
 import static com.android.quickstep.TaskUtils.checkCurrentOrManagedUserId;
 import static com.android.quickstep.util.LogUtils.splitFailureMessage;
 import static com.android.quickstep.views.ClearAllButton.DISMISS_ALPHA;
-import static com.android.quickstep.views.DesktopTaskView.DESKTOP_MODE_SUPPORTED;
+import static com.android.quickstep.views.DesktopTaskView.isDesktopModeSupported;
 import static com.android.quickstep.views.OverviewActionsView.FLAG_IS_NOT_TABLET;
 import static com.android.quickstep.views.OverviewActionsView.FLAG_SINGLE_TASK;
 import static com.android.quickstep.views.OverviewActionsView.HIDDEN_ACTIONS_IN_MENU;
@@ -1623,7 +1623,7 @@
         mMovingTaskView = null;
         runningTaskView.resetPersistentViewTransforms();
         int frontTaskIndex = 0;
-        if (DesktopTaskView.DESKTOP_MODE_SUPPORTED && mDesktopTaskView != null
+        if (isDesktopModeSupported() && mDesktopTaskView != null
                 && !runningTaskView.isDesktopTask()) {
             // If desktop mode is enabled, desktop task view is pinned at first position if present.
             // Move running task to position 1.
@@ -1763,7 +1763,7 @@
 
         if (!taskGroups.isEmpty()) {
             addView(mClearAllButton);
-            if (DesktopTaskView.DESKTOP_MODE_SUPPORTED) {
+            if (isDesktopModeSupported()) {
                 // Check if we have apps on the desktop
                 if (desktopTask != null && !desktopTask.tasks.isEmpty()) {
                     // If we are actively choosing apps for split, skip the desktop tile
@@ -2068,7 +2068,7 @@
                 mLastComputedGridSize);
         mSizeStrategy.calculateGridTaskSize(mActivity, mActivity.getDeviceProfile(),
                 mLastComputedGridTaskSize, mOrientationHandler);
-        if (DesktopTaskView.DESKTOP_MODE_SUPPORTED) {
+        if (isDesktopModeSupported()) {
             mSizeStrategy.calculateDesktopTaskSize(mActivity, mActivity.getDeviceProfile(),
                     mLastComputedDesktopTaskSize);
         }
@@ -2755,7 +2755,7 @@
     }
 
     private boolean hasDesktopTask(Task[] runningTasks) {
-        if (!DesktopTaskView.DESKTOP_MODE_SUPPORTED) {
+        if (!isDesktopModeSupported()) {
             return false;
         }
         for (Task task : runningTasks) {
@@ -3935,7 +3935,7 @@
         mActionsView.updateSplitButtonHiddenFlags(FLAG_IS_NOT_TABLET,
                 !mActivity.getDeviceProfile().isTablet);
         mActionsView.updateSplitButtonDisabledFlags(FLAG_SINGLE_TASK, /*enable=*/ false);
-        if (DESKTOP_MODE_SUPPORTED) {
+        if (isDesktopModeSupported()) {
             boolean isCurrentDesktop = getCurrentPageTaskView() instanceof DesktopTaskView;
             mActionsView.updateHiddenFlags(HIDDEN_DESKTOP, isCurrentDesktop);
         }
@@ -4604,7 +4604,7 @@
         mSplitSelectStateController.setAnimateCurrentTaskDismissal(
                 true /*animateCurrentTaskDismissal*/);
         mSplitHiddenTaskViewIndex = indexOfChild(taskView);
-        if (DesktopTaskView.DESKTOP_MODE_SUPPORTED) {
+        if (isDesktopModeSupported()) {
             updateDesktopTaskVisibility(false /* visible */);
         }
     }
@@ -4628,7 +4628,7 @@
         mSplitSelectStateController.setInitialTaskSelect(splitSelectSource.intent,
                 splitSelectSource.position.stagePosition, splitSelectSource.itemInfo,
                 splitSelectSource.splitEvent, splitSelectSource.alreadyRunningTaskId);
-        if (DesktopTaskView.DESKTOP_MODE_SUPPORTED) {
+        if (isDesktopModeSupported()) {
             updateDesktopTaskVisibility(false /* visible */);
         }
     }
@@ -4834,7 +4834,7 @@
             mSplitHiddenTaskView.setThumbnailVisibility(VISIBLE, INVALID_TASK_ID);
             mSplitHiddenTaskView = null;
         }
-        if (DesktopTaskView.DESKTOP_MODE_SUPPORTED) {
+        if (isDesktopModeSupported()) {
             updateDesktopTaskVisibility(true /* visible */);
         }
     }
@@ -5209,7 +5209,7 @@
         }
 
         RemoteTargetGluer gluer;
-        if (DESKTOP_MODE_SUPPORTED && recentsAnimationTargets.hasDesktopTasks()) {
+        if (isDesktopModeSupported() && recentsAnimationTargets.hasDesktopTasks()) {
             gluer = new RemoteTargetGluer(getContext(), getSizeStrategy(), recentsAnimationTargets,
                     true /* forDesktop */);
             mRemoteTargetHandles = gluer.assignTargetsForDesktop(recentsAnimationTargets);
@@ -5382,7 +5382,7 @@
     }
 
     private int getFirstViewIndex() {
-        if (DesktopTaskView.DESKTOP_MODE_SUPPORTED && mDesktopTaskView != null) {
+        if (isDesktopModeSupported() && mDesktopTaskView != null) {
             // Desktop task is at position 0, that is the first view
             return 0;
         }
diff --git a/quickstep/src/com/android/quickstep/views/TaskView.java b/quickstep/src/com/android/quickstep/views/TaskView.java
index fec17b4..2b3cc5b 100644
--- a/quickstep/src/com/android/quickstep/views/TaskView.java
+++ b/quickstep/src/com/android/quickstep/views/TaskView.java
@@ -36,6 +36,7 @@
 import static com.android.launcher3.util.SplitConfigurationOptions.getLogEventForPosition;
 import static com.android.quickstep.TaskOverlayFactory.getEnabledShortcuts;
 import static com.android.quickstep.util.BorderAnimator.DEFAULT_BORDER_COLOR;
+import static com.android.quickstep.views.DesktopTaskView.isDesktopModeSupported;
 
 import static java.lang.annotation.RetentionPolicy.SOURCE;
 
@@ -445,7 +446,7 @@
         mDigitalWellBeingToast = new DigitalWellBeingToast(mActivity, this);
 
         boolean keyboardFocusHighlightEnabled = FeatureFlags.ENABLE_KEYBOARD_QUICK_SWITCH.get()
-                || DesktopTaskView.DESKTOP_MODE_SUPPORTED;
+                || isDesktopModeSupported();
         boolean cursorHoverStatesEnabled = enableCursorHoverStates();
 
         setWillNotDraw(!keyboardFocusHighlightEnabled && !cursorHoverStatesEnabled);
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 9255ff4..1f64cd8 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -237,6 +237,7 @@
 import com.android.systemui.plugins.PluginListener;
 import com.android.systemui.plugins.shared.LauncherOverlayManager;
 import com.android.systemui.plugins.shared.LauncherOverlayManager.LauncherOverlay;
+import com.android.wm.shell.Flags;
 
 import java.io.FileDescriptor;
 import java.io.PrintWriter;
@@ -330,6 +331,7 @@
     private static final FloatProperty<Hotseat> HOTSEAT_WIDGET_SCALE =
             HOTSEAT_SCALE_PROPERTY_FACTORY.get(SCALE_INDEX_WIDGET_TRANSITION);
 
+    private static final boolean ENABLE_DESKTOP_WINDOWING = Flags.enableDesktopWindowing();
     private static final boolean DESKTOP_MODE_SUPPORTED =
             "1".equals(Utilities.getSystemProperty("persist.wm.debug.desktop_mode_2", "0"));
 
@@ -3044,7 +3046,8 @@
     }
 
     private void updateDisallowBack() {
-        if (DESKTOP_MODE_SUPPORTED) {
+        // TODO(b/304778354): remove sysprop once desktop aconfig flag supports dynamic overriding
+        if (ENABLE_DESKTOP_WINDOWING || DESKTOP_MODE_SUPPORTED) {
             // Do not disable back in launcher when prototype behavior is enabled
             return;
         }