Revert "Add a config to turn on window drag"

Revert submission 31309007-config_enableConnectedDisplaysWindowDrag

Reason for revert: CTS failures to to SystemUI crash on CF

Bug: 391097302
Bug: 391992975
Bug: 392053843
Test: atest CtsWindowManagerDeviceAnimations
Test: atest CtsWindowManagerBackgroundActivityTestCases
Reverted changes: /q/submissionid:31309007-config_enableConnectedDisplaysWindowDrag

Change-Id: I15d86498df1a41ab3273b4060ffb4930dd502fc3

3 files changed, 5 insertions, 29 deletions

diff --git a/libs/WindowManager/Shell/res/values/config.xml b/libs/WindowManager/Shell/res/values/config.xml
index c38d459f64d3..59e6c7786cb8 100644
--- a/libs/WindowManager/Shell/res/values/config.xml
+++ b/libs/WindowManager/Shell/res/values/config.xml
@@ -188,7 +188,4 @@
     <string-array name="desktop_windowing_app_handle_education_allowlist_apps"></string-array>
     <!-- Apps that can trigger Desktop Windowing App-To-Web Education -->
     <string-array name="desktop_windowing_app_to_web_education_allowlist_apps"></string-array>
-
-    <!-- Whether this device allows to drag windows across displays. -->
-    <bool name="config_enableConnectedDisplayWindowDrag">true</bool>
 </resources>
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/common/DisplayController.java b/libs/WindowManager/Shell/src/com/android/wm/shell/common/DisplayController.java
index 71f30f39136a..72be066fc7a7 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/common/DisplayController.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/common/DisplayController.java
@@ -36,7 +36,6 @@ import android.window.WindowContainerTransaction;
 import androidx.annotation.BinderThread;
 
 import com.android.window.flags.Flags;
-import com.android.wm.shell.R;
 import com.android.wm.shell.common.DisplayChangeController.OnDisplayChangingListener;
 import com.android.wm.shell.shared.annotations.ShellMainThread;
 import com.android.wm.shell.sysui.ShellInit;
@@ -88,10 +87,7 @@ public class DisplayController {
                 onDisplayAdded(displayIds[i]);
             }
 
-            final boolean enableConnectedDisplayWindowDrag =
-                    mContext.getResources()
-                            .getBoolean(R.bool.config_enableConnectedDisplayWindowDrag);
-            if (Flags.enableConnectedDisplaysWindowDrag() && enableConnectedDisplayWindowDrag) {
+            if (Flags.enableConnectedDisplaysWindowDrag()) {
                 mDisplayManager.registerTopologyListener(mMainExecutor,
                         this::onDisplayTopologyChanged);
                 onDisplayTopologyChanged(mDisplayManager.getDisplayTopology());
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/MultiDisplayVeiledResizeTaskPositioner.kt b/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/MultiDisplayVeiledResizeTaskPositioner.kt
index 33f0432372d0..07496eb0e526 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/MultiDisplayVeiledResizeTaskPositioner.kt
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/MultiDisplayVeiledResizeTaskPositioner.kt
@@ -29,7 +29,6 @@ import android.window.TransitionRequestInfo
 import android.window.WindowContainerTransaction
 import com.android.internal.jank.Cuj
 import com.android.internal.jank.InteractionJankMonitor
-import com.android.wm.shell.R
 import com.android.wm.shell.ShellTaskOrganizer
 import com.android.wm.shell.common.DisplayController
 import com.android.wm.shell.common.MultiDisplayDragMoveBoundsCalculator
@@ -68,8 +67,6 @@ class MultiDisplayVeiledResizeTaskPositioner(
                 (ctrlType and DragPositioningCallback.CTRL_TYPE_LEFT) != 0 ||
                 (ctrlType and DragPositioningCallback.CTRL_TYPE_RIGHT) != 0
 
-    private val enableMultiDisplayWindowDrag: Boolean
-
     @DragPositioningCallback.CtrlType private var ctrlType = 0
     private var isResizingOrAnimatingResize = false
     @Surface.Rotation private var rotation = 0
@@ -96,10 +93,6 @@ class MultiDisplayVeiledResizeTaskPositioner(
 
     init {
         dragEventListeners.add(dragEventListener)
-        enableMultiDisplayWindowDrag =
-            desktopWindowDecoration.mDecorWindowContext.resources.getBoolean(
-                R.bool.config_enableConnectedDisplayWindowDrag
-            )
     }
 
     override fun onDragPositioningStart(ctrlType: Int, displayId: Int, x: Float, y: Float): Rect {
@@ -175,13 +168,8 @@ class MultiDisplayVeiledResizeTaskPositioner(
             val startDisplayLayout = displayController.getDisplayLayout(startDisplayId)
             val currentDisplayLayout = displayController.getDisplayLayout(displayId)
 
-            if (
-                startDisplayLayout == null ||
-                    currentDisplayLayout == null ||
-                    !enableMultiDisplayWindowDrag
-            ) {
-                // Fall back to single-display drag behavior if any display layout is unavailable or
-                // it's explicitly disabled.
+            if (startDisplayLayout == null || currentDisplayLayout == null) {
+                // Fall back to single-display drag behavior if any display layout is unavailable.
                 DragPositioningCallbackUtility.setPositionOnDrag(
                     desktopWindowDecoration,
                     repositionTaskBounds,
@@ -249,13 +237,8 @@ class MultiDisplayVeiledResizeTaskPositioner(
             val startDisplayLayout = displayController.getDisplayLayout(startDisplayId)
             val currentDisplayLayout = displayController.getDisplayLayout(displayId)
 
-            if (
-                startDisplayLayout == null ||
-                    currentDisplayLayout == null ||
-                    !enableMultiDisplayWindowDrag
-            ) {
-                // Fall back to single-display drag behavior if any display layout is unavailable or
-                // it's explicitly disabled.
+            if (startDisplayLayout == null || currentDisplayLayout == null) {
+                // Fall back to single-display drag behavior if any display layout is unavailable.
                 DragPositioningCallbackUtility.updateTaskBounds(
                     repositionTaskBounds,
                     taskBoundsAtDragStart,