Pointer Icon Refactor: Use new setPointerIcon API for stylus handwriting

Bug: 293587049
Test: manual
Change-Id: I7239adba7def64297e32ab65dfa2064dbd9921f4
diff --git a/services/core/java/com/android/server/inputmethod/HandwritingModeController.java b/services/core/java/com/android/server/inputmethod/HandwritingModeController.java
index dcb86a7..66807ae 100644
--- a/services/core/java/com/android/server/inputmethod/HandwritingModeController.java
+++ b/services/core/java/com/android/server/inputmethod/HandwritingModeController.java
@@ -23,7 +23,9 @@
 import android.annotation.RequiresPermission;
 import android.annotation.UiThread;
 import android.content.ComponentName;
+import android.content.Context;
 import android.content.pm.PackageManagerInternal;
+import android.hardware.input.InputManager;
 import android.hardware.input.InputManagerGlobal;
 import android.os.Handler;
 import android.os.IBinder;
@@ -64,6 +66,7 @@
     private static final int LONG_EVENT_BUFFER_SIZE = EVENT_BUFFER_SIZE * 20;
     private static final long HANDWRITING_DELEGATION_IDLE_TIMEOUT_MS = 3000;
 
+    private final Context mContext;
     // This must be the looper for the UiThread.
     private final Looper mLooper;
     private final InputManagerInternal mInputManagerInternal;
@@ -87,7 +90,9 @@
     private int mCurrentRequestId;
 
     @AnyThread
-    HandwritingModeController(Looper uiThreadLooper, Runnable inkWindowInitRunnable) {
+    HandwritingModeController(Context context, Looper uiThreadLooper,
+            Runnable inkWindowInitRunnable) {
+        mContext = context;
         mLooper = uiThreadLooper;
         mCurrentDisplayId = Display.INVALID_DISPLAY;
         mInputManagerInternal = LocalServices.getService(InputManagerInternal.class);
@@ -285,7 +290,14 @@
         mHandwritingSurface.startIntercepting(imePid, imeUid);
 
         // Unset the pointer icon for the stylus in case the app had set it.
-        InputManagerGlobal.getInstance().setPointerIconType(PointerIcon.TYPE_NOT_SPECIFIED);
+        if (com.android.input.flags.Flags.enablePointerChoreographer()) {
+            Objects.requireNonNull(mContext.getSystemService(InputManager.class)).setPointerIcon(
+                    PointerIcon.getSystemIcon(mContext, PointerIcon.TYPE_NOT_SPECIFIED),
+                    downEvent.getDisplayId(), downEvent.getDeviceId(), downEvent.getPointerId(0),
+                    mHandwritingSurface.getInputChannel().getToken());
+        } else {
+            InputManagerGlobal.getInstance().setPointerIconType(PointerIcon.TYPE_NOT_SPECIFIED);
+        }
 
         return new HandwritingSession(mCurrentRequestId, mHandwritingSurface.getInputChannel(),
                 mHandwritingBuffer);
diff --git a/services/core/java/com/android/server/inputmethod/InputMethodManagerService.java b/services/core/java/com/android/server/inputmethod/InputMethodManagerService.java
index 09c388f..300354b 100644
--- a/services/core/java/com/android/server/inputmethod/InputMethodManagerService.java
+++ b/services/core/java/com/android/server/inputmethod/InputMethodManagerService.java
@@ -1713,7 +1713,7 @@
                 com.android.internal.R.bool.config_preventImeStartupUnlessTextEditor);
         mNonPreemptibleInputMethods = mRes.getStringArray(
                 com.android.internal.R.array.config_nonPreemptibleInputMethods);
-        mHwController = new HandwritingModeController(thread.getLooper(),
+        mHwController = new HandwritingModeController(mContext, thread.getLooper(),
                 new InkWindowInitializer());
         registerDeviceListenerAndCheckStylusSupport();
     }