4 files changed, 30 insertions, 0 deletions
diff --git a/api/system-current.txt b/api/system-current.txt
index 85e917563602..34bba3873f58 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -50268,6 +50268,7 @@ package android.view {
   }
 
   public abstract interface WindowManager implements android.view.ViewManager {
+    method public abstract android.graphics.Region getCurrentImeTouchRegion();
     method public abstract android.view.Display getDefaultDisplay();
     method public abstract void removeViewImmediate(android.view.View);
   }
diff --git a/core/java/android/view/WindowManager.java b/core/java/android/view/WindowManager.java
index 4c0a1902d6a4..48f3973e87fe 100644
--- a/core/java/android/view/WindowManager.java
+++ b/core/java/android/view/WindowManager.java
@@ -18,6 +18,7 @@ package android.view;
 
 import android.annotation.IntDef;
 import android.annotation.NonNull;
+import android.annotation.RequiresPermission;
 import android.annotation.SystemApi;
 import android.annotation.SystemService;
 import android.annotation.TestApi;
@@ -27,6 +28,7 @@ import android.content.Context;
 import android.content.pm.ActivityInfo;
 import android.graphics.PixelFormat;
 import android.graphics.Rect;
+import android.graphics.Region;
 import android.os.IBinder;
 import android.os.Parcel;
 import android.os.Parcelable;
@@ -169,6 +171,18 @@ public interface WindowManager extends ViewManager {
      */
     public void requestAppKeyboardShortcuts(final KeyboardShortcutsReceiver receiver, int deviceId);
 
+    /**
+     * Return the touch region for the current IME window, or an empty region if there is none.
+     *
+     * @return The region of the IME that is accepting touch inputs, or null if there is no IME, no
+     *         region or there was an error.
+     *
+     * @hide
+     */
+    @SystemApi
+    @RequiresPermission(android.Manifest.permission.RESTRICTED_VR_ACCESS)
+    public Region getCurrentImeTouchRegion();
+
     public static class LayoutParams extends ViewGroup.LayoutParams implements Parcelable {
         /**
          * X position for this window.  With the default gravity it is ignored.
diff --git a/core/java/android/view/WindowManagerImpl.java b/core/java/android/view/WindowManagerImpl.java
index c1b8f04a6865..a8722f101ef4 100644
--- a/core/java/android/view/WindowManagerImpl.java
+++ b/core/java/android/view/WindowManagerImpl.java
@@ -18,6 +18,7 @@ package android.view;
 
 import android.annotation.NonNull;
 import android.content.Context;
+import android.graphics.Region;
 import android.os.Bundle;
 import android.os.IBinder;
 import android.os.RemoteException;
@@ -145,4 +146,13 @@ public final class WindowManagerImpl implements WindowManager {
     public Display getDefaultDisplay() {
         return mContext.getDisplay();
     }
+
+    @Override
+    public Region getCurrentImeTouchRegion() {
+        try {
+            return WindowManagerGlobal.getWindowManagerService().getCurrentImeTouchRegion();
+        } catch (RemoteException e) {
+        }
+        return null;
+    }
 }
diff --git a/services/core/java/com/android/server/wm/WindowManagerService.java b/services/core/java/com/android/server/wm/WindowManagerService.java
index a95a0cf9808c..ceddc4e23fe5 100644
--- a/services/core/java/com/android/server/wm/WindowManagerService.java
+++ b/services/core/java/com/android/server/wm/WindowManagerService.java
@@ -19,12 +19,14 @@ package com.android.server.wm;
 import static android.Manifest.permission.MANAGE_APP_TOKENS;
 import static android.Manifest.permission.READ_FRAME_BUFFER;
 import static android.Manifest.permission.REGISTER_WINDOW_MANAGER_LISTENERS;
+import static android.Manifest.permission.RESTRICTED_VR_ACCESS;
 import static android.app.ActivityManager.DOCKED_STACK_CREATE_MODE_TOP_OR_LEFT;
 import static android.app.AppOpsManager.OP_SYSTEM_ALERT_WINDOW;
 import static android.app.StatusBarManager.DISABLE_MASK;
 import static android.app.admin.DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED;
 import static android.content.Intent.ACTION_USER_REMOVED;
 import static android.content.Intent.EXTRA_USER_HANDLE;
+import static android.content.pm.PackageManager.PERMISSION_GRANTED;
 import static android.os.Process.ROOT_UID;
 import static android.os.Process.SHELL_UID;
 import static android.os.Process.SYSTEM_UID;
@@ -6305,6 +6307,9 @@ public class WindowManagerService extends IWindowManager.Stub
 
     @Override
     public Region getCurrentImeTouchRegion() {
+        if (mContext.checkCallingOrSelfPermission(RESTRICTED_VR_ACCESS) != PERMISSION_GRANTED) {
+            throw new SecurityException("getCurrentImeTouchRegion is restricted to VR services");
+        }
         synchronized (mWindowMap) {
             final Region r = new Region();
             if (mInputMethodWindow != null) {