Revert "Implement move to desktop and fullscreen"

Revert submission 20653722

Reason for revert: DroidMonitor-triggered revert due to breakage <link to breakage in Quarterdeck>, bug b/262303930.
Reverted Changes: 
BUG: <breakage bug #>
I0435e07a2:Create controller for desktop prototype 2
I9907038ad:Implement move to desktop and fullscreen
Ic5de4d431:Implement showDesktopApps

Change-Id: Iaf1a524e479ca1c7425d96e947764ce9e401c1a6
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/dagger/WMShellModule.java b/libs/WindowManager/Shell/src/com/android/wm/shell/dagger/WMShellModule.java
index 701a3a4..8a6fe43 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/dagger/WMShellModule.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/dagger/WMShellModule.java
@@ -190,8 +190,7 @@
             ShellTaskOrganizer taskOrganizer,
             DisplayController displayController,
             SyncTransactionQueue syncQueue,
-            Optional<DesktopModeController> desktopModeController,
-            Optional<DesktopTasksController> desktopTasksController) {
+            Optional<DesktopModeController> desktopModeController) {
         return new CaptionWindowDecorViewModel(
                     context,
                     mainHandler,
@@ -199,8 +198,7 @@
                     taskOrganizer,
                     displayController,
                     syncQueue,
-                    desktopModeController,
-                    desktopTasksController);
+                    desktopModeController);
     }
 
     //
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/desktopmode/DesktopTasksController.kt b/libs/WindowManager/Shell/src/com/android/wm/shell/desktopmode/DesktopTasksController.kt
index b075b14..8ded092 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/desktopmode/DesktopTasksController.kt
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/desktopmode/DesktopTasksController.kt
@@ -16,11 +16,7 @@
 
 package com.android.wm.shell.desktopmode
 
-import android.app.ActivityManager
-import android.app.WindowConfiguration
 import android.app.WindowConfiguration.ACTIVITY_TYPE_HOME
-import android.app.WindowConfiguration.WINDOWING_MODE_UNDEFINED
-import android.app.WindowConfiguration.WindowingMode
 import android.content.Context
 import android.view.WindowManager
 import android.window.WindowContainerTransaction
@@ -88,59 +84,6 @@
         }
     }
 
-    /** Move a task with given `taskId` to desktop */
-    fun moveToDesktop(taskId: Int) {
-        shellTaskOrganizer.getRunningTaskInfo(taskId)?.let { task -> moveToDesktop(task) }
-    }
-
-    /** Move a task to desktop */
-    fun moveToDesktop(task: ActivityManager.RunningTaskInfo) {
-        ProtoLog.v(WM_SHELL_DESKTOP_MODE, "moveToDesktop: %d", task.taskId)
-
-        val wct = WindowContainerTransaction()
-        // Bring other apps to front first
-        bringDesktopAppsToFront(wct)
-
-        wct.setWindowingMode(task.getToken(), WindowConfiguration.WINDOWING_MODE_FREEFORM)
-        wct.reorder(task.getToken(), true /* onTop */)
-
-        if (Transitions.ENABLE_SHELL_TRANSITIONS) {
-            transitions.startTransition(WindowManager.TRANSIT_CHANGE, wct, null /* handler */)
-        } else {
-            shellTaskOrganizer.applyTransaction(wct)
-        }
-    }
-
-    /** Move a task with given `taskId` to fullscreen */
-    fun moveToFullscreen(taskId: Int) {
-        shellTaskOrganizer.getRunningTaskInfo(taskId)?.let { task -> moveToFullscreen(task) }
-    }
-
-    /** Move a task to fullscreen */
-    fun moveToFullscreen(task: ActivityManager.RunningTaskInfo) {
-        ProtoLog.v(WM_SHELL_DESKTOP_MODE, "moveToFullscreen: %d", task.taskId)
-
-        val wct = WindowContainerTransaction()
-        wct.setWindowingMode(task.getToken(), WindowConfiguration.WINDOWING_MODE_FULLSCREEN)
-        wct.setBounds(task.getToken(), null)
-        if (Transitions.ENABLE_SHELL_TRANSITIONS) {
-            transitions.startTransition(WindowManager.TRANSIT_CHANGE, wct, null /* handler */)
-        } else {
-            shellTaskOrganizer.applyTransaction(wct)
-        }
-    }
-
-    /**
-     * Get windowing move for a given `taskId`
-     *
-     * @return [WindowingMode] for the task or [WINDOWING_MODE_UNDEFINED] if task is not found
-     */
-    @WindowingMode
-    fun getTaskWindowingMode(taskId: Int): Int {
-        return shellTaskOrganizer.getRunningTaskInfo(taskId)?.windowingMode
-            ?: WINDOWING_MODE_UNDEFINED
-    }
-
     private fun bringDesktopAppsToFront(wct: WindowContainerTransaction) {
         val activeTasks = desktopModeTaskRepository.getActiveTasks()
 
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/CaptionWindowDecorViewModel.java b/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/CaptionWindowDecorViewModel.java
index 3cb40c5..afefd5d 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/CaptionWindowDecorViewModel.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/CaptionWindowDecorViewModel.java
@@ -52,7 +52,6 @@
 import com.android.wm.shell.common.SyncTransactionQueue;
 import com.android.wm.shell.desktopmode.DesktopModeController;
 import com.android.wm.shell.desktopmode.DesktopModeStatus;
-import com.android.wm.shell.desktopmode.DesktopTasksController;
 import com.android.wm.shell.freeform.FreeformTaskTransitionStarter;
 import com.android.wm.shell.transition.Transitions;
 
@@ -77,7 +76,6 @@
     private final SyncTransactionQueue mSyncQueue;
     private FreeformTaskTransitionStarter mTransitionStarter;
     private Optional<DesktopModeController> mDesktopModeController;
-    private Optional<DesktopTasksController> mDesktopTasksController;
     private boolean mTransitionDragActive;
 
     private SparseArray<EventReceiver> mEventReceiversByDisplay = new SparseArray<>();
@@ -93,8 +91,7 @@
             ShellTaskOrganizer taskOrganizer,
             DisplayController displayController,
             SyncTransactionQueue syncQueue,
-            Optional<DesktopModeController> desktopModeController,
-            Optional<DesktopTasksController> desktopTasksController) {
+            Optional<DesktopModeController> desktopModeController) {
         this(
                 context,
                 mainHandler,
@@ -103,7 +100,6 @@
                 displayController,
                 syncQueue,
                 desktopModeController,
-                desktopTasksController,
                 new CaptionWindowDecoration.Factory(),
                 InputManager::getInstance);
     }
@@ -116,7 +112,6 @@
             DisplayController displayController,
             SyncTransactionQueue syncQueue,
             Optional<DesktopModeController> desktopModeController,
-            Optional<DesktopTasksController> desktopTasksController,
             CaptionWindowDecoration.Factory captionWindowDecorFactory,
             Supplier<InputManager> inputManagerSupplier) {
 
@@ -128,7 +123,6 @@
         mDisplayController = displayController;
         mSyncQueue = syncQueue;
         mDesktopModeController = desktopModeController;
-        mDesktopTasksController = desktopTasksController;
 
         mCaptionWindowDecorFactory = captionWindowDecorFactory;
         mInputManagerSupplier = inputManagerSupplier;
@@ -254,13 +248,11 @@
                 decoration.createHandleMenu();
             } else if (id == R.id.desktop_button) {
                 mDesktopModeController.ifPresent(c -> c.setDesktopModeActive(true));
-                mDesktopTasksController.ifPresent(c -> c.moveToDesktop(mTaskId));
                 decoration.closeHandleMenu();
             } else if (id == R.id.fullscreen_button) {
                 mDesktopModeController.ifPresent(c -> c.setDesktopModeActive(false));
-                mDesktopTasksController.ifPresent(c -> c.moveToFullscreen(mTaskId));
                 decoration.closeHandleMenu();
-                decoration.setButtonVisibility(false);
+                decoration.setButtonVisibility();
             }
         }
 
@@ -313,13 +305,8 @@
          */
         private void handleEventForMove(MotionEvent e) {
             RunningTaskInfo taskInfo = mTaskOrganizer.getRunningTaskInfo(mTaskId);
-            if (DesktopModeStatus.isProto2Enabled()
-                    && taskInfo.getWindowingMode() == WINDOWING_MODE_FULLSCREEN) {
-                return;
-            }
-            if (DesktopModeStatus.isProto1Enabled() && mDesktopModeController.isPresent()
-                    && mDesktopModeController.get().getDisplayAreaWindowingMode(
-                    taskInfo.displayId)
+            if (mDesktopModeController.isPresent()
+                    && mDesktopModeController.get().getDisplayAreaWindowingMode(taskInfo.displayId)
                     == WINDOWING_MODE_FULLSCREEN) {
                 return;
             }
@@ -343,20 +330,9 @@
                             .stableInsets().top;
                     mDragResizeCallback.onDragResizeEnd(
                             e.getRawX(dragPointerIdx), e.getRawY(dragPointerIdx));
-                    if (e.getRawY(dragPointerIdx) <= statusBarHeight) {
-                        if (DesktopModeStatus.isProto2Enabled()) {
-                            if (taskInfo.getWindowingMode() == WINDOWING_MODE_FREEFORM) {
-                                // Switch a single task to fullscreen
-                                mDesktopTasksController.ifPresent(
-                                        c -> c.moveToFullscreen(taskInfo));
-                            }
-                        } else if (DesktopModeStatus.isProto1Enabled()) {
-                            if (DesktopModeStatus.isActive(mContext)) {
-                                // Turn off desktop mode
-                                mDesktopModeController.ifPresent(
-                                        c -> c.setDesktopModeActive(false));
-                            }
-                        }
+                    if (e.getRawY(dragPointerIdx) <= statusBarHeight
+                            && DesktopModeStatus.isActive(mContext)) {
+                        mDesktopModeController.ifPresent(c -> c.setDesktopModeActive(false));
                     }
                     break;
                 }
@@ -444,27 +420,13 @@
      * @param ev the {@link MotionEvent} received by {@link EventReceiver}
      */
     private void handleReceivedMotionEvent(MotionEvent ev, InputMonitor inputMonitor) {
-        if (DesktopModeStatus.isProto2Enabled()) {
-            CaptionWindowDecoration focusedDecor = getFocusedDecor();
-            if (focusedDecor == null
-                    || focusedDecor.mTaskInfo.getWindowingMode() != WINDOWING_MODE_FREEFORM) {
-                handleCaptionThroughStatusBar(ev);
-            }
-        } else if (DesktopModeStatus.isProto1Enabled()) {
-            if (!DesktopModeStatus.isActive(mContext)) {
-                handleCaptionThroughStatusBar(ev);
-            }
+        if (!DesktopModeStatus.isActive(mContext)) {
+            handleCaptionThroughStatusBar(ev);
         }
         handleEventOutsideFocusedCaption(ev);
         // Prevent status bar from reacting to a caption drag.
-        if (DesktopModeStatus.isProto2Enabled()) {
-            if (mTransitionDragActive) {
-                inputMonitor.pilferPointers();
-            }
-        } else if (DesktopModeStatus.isProto1Enabled()) {
-            if (mTransitionDragActive && !DesktopModeStatus.isActive(mContext)) {
-                inputMonitor.pilferPointers();
-            }
+        if (mTransitionDragActive && !DesktopModeStatus.isActive(mContext)) {
+            inputMonitor.pilferPointers();
         }
     }
 
@@ -493,20 +455,9 @@
             case MotionEvent.ACTION_DOWN: {
                 // Begin drag through status bar if applicable.
                 CaptionWindowDecoration focusedDecor = getFocusedDecor();
-                if (focusedDecor != null) {
-                    boolean dragFromStatusBarAllowed = false;
-                    if (DesktopModeStatus.isProto2Enabled()) {
-                        // In proto2 any full screen task can be dragged to freeform
-                        dragFromStatusBarAllowed = focusedDecor.mTaskInfo.getWindowingMode()
-                                == WINDOWING_MODE_FULLSCREEN;
-                    } else if (DesktopModeStatus.isProto1Enabled()) {
-                        // In proto1 task can be dragged to freeform when not in desktop mode
-                        dragFromStatusBarAllowed = !DesktopModeStatus.isActive(mContext);
-                    }
-
-                    if (dragFromStatusBarAllowed && focusedDecor.checkTouchEventInHandle(ev)) {
-                        mTransitionDragActive = true;
-                    }
+                if (focusedDecor != null && !DesktopModeStatus.isActive(mContext)
+                        && focusedDecor.checkTouchEventInHandle(ev)) {
+                    mTransitionDragActive = true;
                 }
                 break;
             }
@@ -521,13 +472,7 @@
                     int statusBarHeight = mDisplayController
                             .getDisplayLayout(focusedDecor.mTaskInfo.displayId).stableInsets().top;
                     if (ev.getY() > statusBarHeight) {
-                        if (DesktopModeStatus.isProto2Enabled()) {
-                            mDesktopTasksController.ifPresent(
-                                    c -> c.moveToDesktop(focusedDecor.mTaskInfo));
-                        } else if (DesktopModeStatus.isProto1Enabled()) {
-                            mDesktopModeController.ifPresent(c -> c.setDesktopModeActive(true));
-                        }
-
+                        mDesktopModeController.ifPresent(c -> c.setDesktopModeActive(true));
                         return;
                     }
                 }
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/CaptionWindowDecoration.java b/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/CaptionWindowDecoration.java
index f7c7a87..037ca203 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/CaptionWindowDecoration.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/CaptionWindowDecoration.java
@@ -16,9 +16,8 @@
 
 package com.android.wm.shell.windowdecor;
 
-import static android.app.WindowConfiguration.WINDOWING_MODE_FREEFORM;
-
 import android.app.ActivityManager;
+import android.app.WindowConfiguration;
 import android.content.Context;
 import android.content.res.ColorStateList;
 import android.content.res.Resources;
@@ -118,7 +117,7 @@
                 ? R.dimen.freeform_decor_shadow_focused_thickness
                 : R.dimen.freeform_decor_shadow_unfocused_thickness;
         final boolean isFreeform =
-                taskInfo.getWindowingMode() == WINDOWING_MODE_FREEFORM;
+                taskInfo.getWindowingMode() == WindowConfiguration.WINDOWING_MODE_FREEFORM;
         final boolean isDragResizeable = isFreeform && taskInfo.isResizeable;
 
         WindowDecorLinearLayout oldRootView = mResult.mRootView;
@@ -168,17 +167,11 @@
         // If this task is not focused, do not show caption.
         setCaptionVisibility(mTaskInfo.isFocused);
 
-        if (mTaskInfo.isFocused) {
-            if (DesktopModeStatus.isProto2Enabled()) {
-                updateButtonVisibility();
-            } else if (DesktopModeStatus.isProto1Enabled()) {
-                // Only handle should show if Desktop Mode is inactive.
-                boolean desktopCurrentStatus = DesktopModeStatus.isActive(mContext);
-                if (mDesktopActive != desktopCurrentStatus) {
-                    mDesktopActive = desktopCurrentStatus;
-                    setButtonVisibility(mDesktopActive);
-                }
-            }
+        // Only handle should show if Desktop Mode is inactive.
+        boolean desktopCurrentStatus = DesktopModeStatus.isActive(mContext);
+        if (mDesktopActive != desktopCurrentStatus && mTaskInfo.isFocused) {
+            mDesktopActive = desktopCurrentStatus;
+            setButtonVisibility();
         }
 
         if (!isDragResizeable) {
@@ -221,7 +214,7 @@
         View handle = caption.findViewById(R.id.caption_handle);
         handle.setOnTouchListener(mOnCaptionTouchListener);
         handle.setOnClickListener(mOnCaptionButtonClickListener);
-        updateButtonVisibility();
+        setButtonVisibility();
     }
 
     private void setupHandleMenu() {
@@ -251,25 +244,14 @@
     /**
      * Sets the visibility of buttons and color of caption based on desktop mode status
      */
-    void updateButtonVisibility() {
-        if (DesktopModeStatus.isProto2Enabled()) {
-            setButtonVisibility(mTaskInfo.getWindowingMode() == WINDOWING_MODE_FREEFORM);
-        } else if (DesktopModeStatus.isProto1Enabled()) {
-            mDesktopActive = DesktopModeStatus.isActive(mContext);
-            setButtonVisibility(mDesktopActive);
-        }
-    }
-
-    /**
-     * Show or hide buttons
-     */
-    void setButtonVisibility(boolean visible) {
-        int visibility = visible ? View.VISIBLE : View.GONE;
+    void setButtonVisibility() {
+        mDesktopActive = DesktopModeStatus.isActive(mContext);
+        int v = mDesktopActive ? View.VISIBLE : View.GONE;
         View caption = mResult.mRootView.findViewById(R.id.caption);
         View back = caption.findViewById(R.id.back_button);
         View close = caption.findViewById(R.id.close_window);
-        back.setVisibility(visibility);
-        close.setVisibility(visibility);
+        back.setVisibility(v);
+        close.setVisibility(v);
         int buttonTintColorRes =
                 mDesktopActive ? R.color.decor_button_dark_color
                         : R.color.decor_button_light_color;
@@ -278,7 +260,7 @@
         View handle = caption.findViewById(R.id.caption_handle);
         VectorDrawable handleBackground = (VectorDrawable) handle.getBackground();
         handleBackground.setTintList(buttonTintColor);
-        caption.getBackground().setTint(visible ? Color.WHITE : Color.TRANSPARENT);
+        caption.getBackground().setTint(v == View.VISIBLE ? Color.WHITE : Color.TRANSPARENT);
     }
 
     boolean isHandleMenuActive() {
diff --git a/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/desktopmode/DesktopTasksControllerTest.kt b/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/desktopmode/DesktopTasksControllerTest.kt
index de2473b..4e0a5b5 100644
--- a/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/desktopmode/DesktopTasksControllerTest.kt
+++ b/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/desktopmode/DesktopTasksControllerTest.kt
@@ -17,9 +17,6 @@
 package com.android.wm.shell.desktopmode
 
 import android.app.ActivityManager.RunningTaskInfo
-import android.app.WindowConfiguration.WINDOWING_MODE_FREEFORM
-import android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN
-import android.app.WindowConfiguration.WINDOWING_MODE_UNDEFINED
 import android.testing.AndroidTestingRunner
 import android.window.WindowContainerTransaction
 import android.window.WindowContainerTransaction.HierarchyOp.HIERARCHY_OP_TYPE_REORDER
@@ -32,7 +29,6 @@
 import com.android.wm.shell.TestShellExecutor
 import com.android.wm.shell.common.ShellExecutor
 import com.android.wm.shell.desktopmode.DesktopTestHelpers.Companion.createFreeformTask
-import com.android.wm.shell.desktopmode.DesktopTestHelpers.Companion.createFullscreenTask
 import com.android.wm.shell.desktopmode.DesktopTestHelpers.Companion.createHomeTask
 import com.android.wm.shell.sysui.ShellController
 import com.android.wm.shell.sysui.ShellInit
@@ -122,8 +118,8 @@
     @Test
     fun showDesktopApps_allAppsInvisible_bringsToFront() {
         val homeTask = setUpHomeTask()
-        val task1 = setUpFreeformTask()
-        val task2 = setUpFreeformTask()
+        val task1 = setUpDesktopTask()
+        val task2 = setUpDesktopTask()
         markTaskHidden(task1)
         markTaskHidden(task2)
 
@@ -140,21 +136,25 @@
     @Test
     fun showDesktopApps_appsAlreadyVisible_doesNothing() {
         setUpHomeTask()
-        val task1 = setUpFreeformTask()
-        val task2 = setUpFreeformTask()
+        val task1 = setUpDesktopTask()
+        val task2 = setUpDesktopTask()
         markTaskVisible(task1)
         markTaskVisible(task2)
 
         controller.showDesktopApps()
 
-        verifyWCTNotExecuted()
+        if (Transitions.ENABLE_SHELL_TRANSITIONS) {
+            verify(transitions, never()).startTransition(anyInt(), any(), isNull())
+        } else {
+            verify(shellTaskOrganizer, never()).applyTransaction(any())
+        }
     }
 
     @Test
     fun showDesktopApps_someAppsInvisible_reordersAll() {
         val homeTask = setUpHomeTask()
-        val task1 = setUpFreeformTask()
-        val task2 = setUpFreeformTask()
+        val task1 = setUpDesktopTask()
+        val task2 = setUpDesktopTask()
         markTaskHidden(task1)
         markTaskVisible(task2)
 
@@ -179,49 +179,7 @@
         wct.assertReorderAt(index = 0, homeTask)
     }
 
-    @Test
-    fun moveToDesktop() {
-        val task = setUpFullscreenTask()
-        controller.moveToDesktop(task)
-        val wct = getLatestWct()
-        assertThat(wct.changes[task.token.asBinder()]?.windowingMode)
-            .isEqualTo(WINDOWING_MODE_FREEFORM)
-    }
-
-    @Test
-    fun moveToDesktop_nonExistentTask_doesNothing() {
-        controller.moveToDesktop(999)
-        verifyWCTNotExecuted()
-    }
-
-    @Test
-    fun moveToFullscreen() {
-        val task = setUpFreeformTask()
-        controller.moveToFullscreen(task)
-        val wct = getLatestWct()
-        assertThat(wct.changes[task.token.asBinder()]?.windowingMode)
-            .isEqualTo(WINDOWING_MODE_FULLSCREEN)
-    }
-
-    @Test
-    fun moveToFullscreen_nonExistentTask_doesNothing() {
-        controller.moveToFullscreen(999)
-        verifyWCTNotExecuted()
-    }
-
-    @Test
-    fun getTaskWindowingMode() {
-        val fullscreenTask = setUpFullscreenTask()
-        val freeformTask = setUpFreeformTask()
-
-        assertThat(controller.getTaskWindowingMode(fullscreenTask.taskId))
-            .isEqualTo(WINDOWING_MODE_FULLSCREEN)
-        assertThat(controller.getTaskWindowingMode(freeformTask.taskId))
-            .isEqualTo(WINDOWING_MODE_FREEFORM)
-        assertThat(controller.getTaskWindowingMode(999)).isEqualTo(WINDOWING_MODE_UNDEFINED)
-    }
-
-    private fun setUpFreeformTask(): RunningTaskInfo {
+    private fun setUpDesktopTask(): RunningTaskInfo {
         val task = createFreeformTask()
         whenever(shellTaskOrganizer.getRunningTaskInfo(task.taskId)).thenReturn(task)
         desktopModeTaskRepository.addActiveTask(task.taskId)
@@ -237,13 +195,6 @@
         return task
     }
 
-    private fun setUpFullscreenTask(): RunningTaskInfo {
-        val task = createFullscreenTask()
-        whenever(shellTaskOrganizer.getRunningTaskInfo(task.taskId)).thenReturn(task)
-        runningTasks.add(task)
-        return task
-    }
-
     private fun markTaskVisible(task: RunningTaskInfo) {
         desktopModeTaskRepository.updateVisibleFreeformTasks(task.taskId, visible = true)
     }
@@ -261,14 +212,6 @@
         }
         return arg.value
     }
-
-    private fun verifyWCTNotExecuted() {
-        if (Transitions.ENABLE_SHELL_TRANSITIONS) {
-            verify(transitions, never()).startTransition(anyInt(), any(), isNull())
-        } else {
-            verify(shellTaskOrganizer, never()).applyTransaction(any())
-        }
-    }
 }
 
 private fun WindowContainerTransaction.assertReorderAt(index: Int, task: RunningTaskInfo) {
diff --git a/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/windowdecor/CaptionWindowDecorViewModelTests.java b/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/windowdecor/CaptionWindowDecorViewModelTests.java
index 87f9d21..ad6fced 100644
--- a/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/windowdecor/CaptionWindowDecorViewModelTests.java
+++ b/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/windowdecor/CaptionWindowDecorViewModelTests.java
@@ -47,7 +47,6 @@
 import com.android.wm.shell.common.DisplayController;
 import com.android.wm.shell.common.SyncTransactionQueue;
 import com.android.wm.shell.desktopmode.DesktopModeController;
-import com.android.wm.shell.desktopmode.DesktopTasksController;
 
 import org.junit.Before;
 import org.junit.Test;
@@ -77,8 +76,6 @@
 
     @Mock private DesktopModeController mDesktopModeController;
 
-    @Mock private DesktopTasksController mDesktopTasksController;
-
     @Mock private InputMonitor mInputMonitor;
 
     @Mock private InputChannel mInputChannel;
@@ -106,7 +103,6 @@
                 mDisplayController,
                 mSyncQueue,
                 Optional.of(mDesktopModeController),
-                Optional.of(mDesktopTasksController),
                 mCaptionWindowDecorFactory,
                 new MockObjectSupplier<>(mMockInputManagers, () -> mock(InputManager.class)));
         mCaptionWindowDecorViewModel.setEventReceiverFactory(mEventReceiverFactory);