diff --git a/libs/WindowManager/Shell/res/layout/desktop_mode_focused_window_decor.xml b/libs/WindowManager/Shell/res/layout/desktop_mode_app_handle.xml
similarity index 100%
rename from libs/WindowManager/Shell/res/layout/desktop_mode_focused_window_decor.xml
rename to libs/WindowManager/Shell/res/layout/desktop_mode_app_handle.xml
diff --git a/libs/WindowManager/Shell/res/layout/desktop_mode_app_controls_window_decor.xml b/libs/WindowManager/Shell/res/layout/desktop_mode_app_header.xml
similarity index 100%
rename from libs/WindowManager/Shell/res/layout/desktop_mode_app_controls_window_decor.xml
rename to libs/WindowManager/Shell/res/layout/desktop_mode_app_header.xml
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/DesktopModeWindowDecoration.java b/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/DesktopModeWindowDecoration.java
index eced07831ff744e361689c99047a6a1a46afcc9f..644fd4ba5a541295136798a0a60694f42b3df610 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/DesktopModeWindowDecoration.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/DesktopModeWindowDecoration.java
@@ -69,9 +69,9 @@ import com.android.wm.shell.common.DisplayLayout;
 import com.android.wm.shell.common.SyncTransactionQueue;
 import com.android.wm.shell.shared.DesktopModeStatus;
 import com.android.wm.shell.windowdecor.extension.TaskInfoKt;
-import com.android.wm.shell.windowdecor.viewholder.DesktopModeAppControlsWindowDecorationViewHolder;
-import com.android.wm.shell.windowdecor.viewholder.DesktopModeFocusedWindowDecorationViewHolder;
-import com.android.wm.shell.windowdecor.viewholder.DesktopModeWindowDecorationViewHolder;
+import com.android.wm.shell.windowdecor.viewholder.AppHandleViewHolder;
+import com.android.wm.shell.windowdecor.viewholder.AppHeaderViewHolder;
+import com.android.wm.shell.windowdecor.viewholder.WindowDecorationViewHolder;
 
 import kotlin.Unit;
 
@@ -90,7 +90,7 @@ public class DesktopModeWindowDecoration extends WindowDecoration<WindowDecorLin
     private final Choreographer mChoreographer;
     private final SyncTransactionQueue mSyncQueue;
 
-    private DesktopModeWindowDecorationViewHolder mWindowDecorViewHolder;
+    private WindowDecorationViewHolder mWindowDecorViewHolder;
     private View.OnClickListener mOnCaptionButtonClickListener;
     private View.OnTouchListener mOnCaptionTouchListener;
     private View.OnLongClickListener mOnCaptionLongClickListener;
@@ -232,16 +232,16 @@ public class DesktopModeWindowDecoration extends WindowDecoration<WindowDecorLin
         }
 
         if (oldRootView != mResult.mRootView) {
-            if (mRelayoutParams.mLayoutResId == R.layout.desktop_mode_focused_window_decor) {
-                mWindowDecorViewHolder = new DesktopModeFocusedWindowDecorationViewHolder(
+            if (mRelayoutParams.mLayoutResId == R.layout.desktop_mode_app_handle) {
+                mWindowDecorViewHolder = new AppHandleViewHolder(
                         mResult.mRootView,
                         mOnCaptionTouchListener,
                         mOnCaptionButtonClickListener
                 );
             } else if (mRelayoutParams.mLayoutResId
-                    == R.layout.desktop_mode_app_controls_window_decor) {
+                    == R.layout.desktop_mode_app_header) {
                 loadAppInfoIfNeeded();
-                mWindowDecorViewHolder = new DesktopModeAppControlsWindowDecorationViewHolder(
+                mWindowDecorViewHolder = new AppHeaderViewHolder(
                         mResult.mRootView,
                         mOnCaptionTouchListener,
                         mOnCaptionButtonClickListener,
@@ -331,8 +331,8 @@ public class DesktopModeWindowDecoration extends WindowDecoration<WindowDecorLin
             boolean shouldSetTaskPositionAndCrop) {
         final int captionLayoutId = getDesktopModeWindowDecorLayoutId(taskInfo.getWindowingMode());
         final boolean isAppHeader =
-                captionLayoutId == R.layout.desktop_mode_app_controls_window_decor;
-        final boolean isAppHandle = captionLayoutId == R.layout.desktop_mode_focused_window_decor;
+                captionLayoutId == R.layout.desktop_mode_app_header;
+        final boolean isAppHandle = captionLayoutId == R.layout.desktop_mode_app_handle;
         relayoutParams.reset();
         relayoutParams.mRunningTaskInfo = taskInfo;
         relayoutParams.mLayoutResId = captionLayoutId;
@@ -405,7 +405,7 @@ public class DesktopModeWindowDecoration extends WindowDecoration<WindowDecorLin
      * resource. Otherwise, return ID_NULL and caption width be set to task width.
      */
     private static int getCaptionWidthId(int layoutResId) {
-        if (layoutResId == R.layout.desktop_mode_focused_window_decor) {
+        if (layoutResId == R.layout.desktop_mode_app_handle) {
             return R.dimen.desktop_mode_fullscreen_decor_caption_width;
         }
         return Resources.ID_NULL;
@@ -568,7 +568,7 @@ public class DesktopModeWindowDecoration extends WindowDecoration<WindowDecorLin
     @Override
     @NonNull
     Rect calculateValidDragArea() {
-        final int appTextWidth = ((DesktopModeAppControlsWindowDecorationViewHolder)
+        final int appTextWidth = ((AppHeaderViewHolder)
                 mWindowDecorViewHolder).getAppNameTextWidth();
         final int leftButtonsWidth = loadDimensionPixelSize(mContext.getResources(),
                 R.dimen.desktop_mode_app_details_width_minus_text) + appTextWidth;
@@ -747,7 +747,7 @@ public class DesktopModeWindowDecoration extends WindowDecoration<WindowDecorLin
      */
     boolean checkTouchEventInFocusedCaptionHandle(MotionEvent ev) {
         if (isHandleMenuActive() || !(mWindowDecorViewHolder
-                instanceof DesktopModeFocusedWindowDecorationViewHolder)) {
+                instanceof AppHandleViewHolder)) {
             return false;
         }
 
@@ -836,8 +836,8 @@ public class DesktopModeWindowDecoration extends WindowDecoration<WindowDecorLin
 
     private static int getDesktopModeWindowDecorLayoutId(@WindowingMode int windowingMode) {
         return windowingMode == WINDOWING_MODE_FREEFORM
-                ? R.layout.desktop_mode_app_controls_window_decor
-                : R.layout.desktop_mode_focused_window_decor;
+                ? R.layout.desktop_mode_app_header
+                : R.layout.desktop_mode_app_handle;
     }
 
     private void updatePositionInParent() {
@@ -889,20 +889,20 @@ public class DesktopModeWindowDecoration extends WindowDecoration<WindowDecorLin
     }
 
     void setAnimatingTaskResize(boolean animatingTaskResize) {
-        if (mRelayoutParams.mLayoutResId == R.layout.desktop_mode_focused_window_decor) return;
-        ((DesktopModeAppControlsWindowDecorationViewHolder) mWindowDecorViewHolder)
+        if (mRelayoutParams.mLayoutResId == R.layout.desktop_mode_app_handle) return;
+        ((AppHeaderViewHolder) mWindowDecorViewHolder)
                 .setAnimatingTaskResize(animatingTaskResize);
     }
 
     /** Called when there is a {@Link ACTION_HOVER_EXIT} on the maximize window button. */
     void onMaximizeWindowHoverExit() {
-        ((DesktopModeAppControlsWindowDecorationViewHolder) mWindowDecorViewHolder)
+        ((AppHeaderViewHolder) mWindowDecorViewHolder)
                 .onMaximizeWindowHoverExit();
     }
 
     /** Called when there is a {@Link ACTION_HOVER_ENTER} on the maximize window button. */
     void onMaximizeWindowHoverEnter() {
-        ((DesktopModeAppControlsWindowDecorationViewHolder) mWindowDecorViewHolder)
+        ((AppHeaderViewHolder) mWindowDecorViewHolder)
                 .onMaximizeWindowHoverEnter();
     }
 
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/HandleMenu.java b/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/HandleMenu.java
index 65adcee1567cfd73cd0bf7c425d6c2a994a9427f..c22b621f2111bbcfbf3bcf1a4fc587f020768857 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/HandleMenu.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/HandleMenu.java
@@ -218,8 +218,7 @@ class HandleMenu {
         final int menuX, menuY;
         final int captionWidth = mTaskInfo.getConfiguration()
                 .windowConfiguration.getBounds().width();
-        if (mLayoutResId
-                == R.layout.desktop_mode_app_controls_window_decor) {
+        if (mLayoutResId == R.layout.desktop_mode_app_header) {
             // Align the handle menu to the left of the caption.
             menuX = mMarginMenuStart;
             menuY = mMarginMenuTop;
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/viewholder/DesktopModeFocusedWindowDecorationViewHolder.kt b/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/viewholder/AppHandleViewHolder.kt
similarity index 78%
rename from libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/viewholder/DesktopModeFocusedWindowDecorationViewHolder.kt
rename to libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/viewholder/AppHandleViewHolder.kt
index 96bc4a146ebd739b6c9cff849087c1e6758a5ec3..8d822c2522882ed97878180ea1038132ca9fff87 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/viewholder/DesktopModeFocusedWindowDecorationViewHolder.kt
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/viewholder/AppHandleViewHolder.kt
@@ -1,3 +1,18 @@
+/*
+ * Copyright (C) 2024 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.wm.shell.windowdecor.viewholder
 
 import android.animation.ObjectAnimator
@@ -12,14 +27,14 @@ import com.android.wm.shell.R
 import com.android.wm.shell.animation.Interpolators
 
 /**
- * A desktop mode window decoration used when the window is in full "focus" (i.e. fullscreen). It
- * hosts a simple handle bar from which to initiate a drag motion to enter desktop mode.
+ * A desktop mode window decoration used when the window is in full "focus" (i.e. fullscreen/split).
+ * It hosts a simple handle bar from which to initiate a drag motion to enter desktop mode.
  */
-internal class DesktopModeFocusedWindowDecorationViewHolder(
+internal class AppHandleViewHolder(
         rootView: View,
         onCaptionTouchListener: View.OnTouchListener,
         onCaptionButtonClickListener: View.OnClickListener
-) : DesktopModeWindowDecorationViewHolder(rootView) {
+) : WindowDecorationViewHolder(rootView) {
 
     companion object {
         private const val CAPTION_HANDLE_ANIMATION_DURATION: Long = 100
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/viewholder/DesktopModeAppControlsWindowDecorationViewHolder.kt b/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/viewholder/AppHeaderViewHolder.kt
similarity index 97%
rename from libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/viewholder/DesktopModeAppControlsWindowDecorationViewHolder.kt
rename to libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/viewholder/AppHeaderViewHolder.kt
index 3c12da2d6620f31e7a7e596e5febc28c2a527767..3b714b173a1df0eda1676c915067c005b2245dc4 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/viewholder/DesktopModeAppControlsWindowDecorationViewHolder.kt
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/viewholder/AppHeaderViewHolder.kt
@@ -1,3 +1,18 @@
+/*
+ * Copyright (C) 2024 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.wm.shell.windowdecor.viewholder
 
 import android.annotation.ColorInt
@@ -38,7 +53,7 @@ import com.android.wm.shell.windowdecor.extension.isTransparentCaptionBarAppeara
  * finer controls such as a close window button and an "app info" section to pull up additional
  * controls.
  */
-internal class DesktopModeAppControlsWindowDecorationViewHolder(
+internal class AppHeaderViewHolder(
         rootView: View,
         onCaptionTouchListener: View.OnTouchListener,
         onCaptionButtonClickListener: View.OnClickListener,
@@ -47,7 +62,7 @@ internal class DesktopModeAppControlsWindowDecorationViewHolder(
         appName: CharSequence,
         appIconBitmap: Bitmap,
         onMaximizeHoverAnimationFinishedListener: () -> Unit
-) : DesktopModeWindowDecorationViewHolder(rootView) {
+) : WindowDecorationViewHolder(rootView) {
 
     /**
      * The corner radius to apply to the app chip, maximize and close button's background drawable.
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/viewholder/DesktopModeWindowDecorationViewHolder.kt b/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/viewholder/WindowDecorationViewHolder.kt
similarity index 52%
rename from libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/viewholder/DesktopModeWindowDecorationViewHolder.kt
rename to libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/viewholder/WindowDecorationViewHolder.kt
index 81bc34c876b6f0d19d574769aeb3f7f3a4ce77a2..5ae8d252a9082f0d6de94b1485ed195aafc4a795 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/viewholder/DesktopModeWindowDecorationViewHolder.kt
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/viewholder/WindowDecorationViewHolder.kt
@@ -1,3 +1,18 @@
+/*
+ * Copyright (C) 2024 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.wm.shell.windowdecor.viewholder
 
 import android.app.ActivityManager.RunningTaskInfo
@@ -8,7 +23,7 @@ import android.view.View
  * Encapsulates the root [View] of a window decoration and its children to facilitate looking up
  * children (via findViewById) and updating to the latest data from [RunningTaskInfo].
  */
-internal abstract class DesktopModeWindowDecorationViewHolder(rootView: View) {
+internal abstract class WindowDecorationViewHolder(rootView: View) {
   val context: Context = rootView.context
 
   /**