From 9915c4ba8840c0560bed8d4bc76a89f816717dbf Mon Sep 17 00:00:00 2001
From: Justin Ghan <justinghan@google.com>
Date: Fri, 23 Sep 2022 16:39:01 +0000
Subject: Revert "Handle non-initalized InkWindow"

This reverts commit c87e17af06ece46a395a852849d139ade9b830c4.

Reason for revert: Breaks stylus handwriting

Change-Id: Ifb11d327eac4b8858aaccfa7e171327f8eb18cdd
---
 .../android/inputmethodservice/InputMethodService.java | 18 +++++-------------
 1 file changed, 5 insertions(+), 13 deletions(-)

diff --git a/core/java/android/inputmethodservice/InputMethodService.java b/core/java/android/inputmethodservice/InputMethodService.java
index 9ed55ffef11f..7436601f5352 100644
--- a/core/java/android/inputmethodservice/InputMethodService.java
+++ b/core/java/android/inputmethodservice/InputMethodService.java
@@ -967,7 +967,7 @@ public class InputMethodService extends AbstractInputMethodService {
                 Log.d(TAG, "Input should have started before starting Stylus handwriting.");
                 return;
             }
-            maybeCreateAndInitInkWindow();
+            maybeCreateInkWindow();
             if (!mOnPreparedStylusHwCalled) {
                 // prepare hasn't been called by Stylus HOVER.
                 onPrepareStylusHandwriting();
@@ -1027,7 +1027,8 @@ public class InputMethodService extends AbstractInputMethodService {
          */
         @Override
         public void initInkWindow() {
-            maybeCreateAndInitInkWindow();
+            maybeCreateInkWindow();
+            mInkWindow.initOnly();
             onPrepareStylusHandwriting();
             mOnPreparedStylusHwCalled = true;
         }
@@ -1035,13 +1036,11 @@ public class InputMethodService extends AbstractInputMethodService {
         /**
          * Create and attach token to Ink window if it wasn't already created.
          */
-        private void maybeCreateAndInitInkWindow() {
+        private void maybeCreateInkWindow() {
             if (mInkWindow == null) {
                 mInkWindow = new InkWindow(mWindow.getContext());
                 mInkWindow.setToken(mToken);
             }
-            mInkWindow.initOnly();
-            setInkViewVisibilityListener();
             // TODO(b/243571274): set an idle-timeout after which InkWindow is removed.
         }
 
@@ -2470,19 +2469,13 @@ public class InputMethodService extends AbstractInputMethodService {
      * @param motionEvent {@link MotionEvent} from stylus.
      */
     public void onStylusHandwritingMotionEvent(@NonNull MotionEvent motionEvent) {
-        if (mInkWindow != null && mInkWindow.isInkViewVisible()) {
+        if (mInkWindow.isInkViewVisible()) {
             mInkWindow.getDecorView().dispatchTouchEvent(motionEvent);
         } else {
             if (mPendingEvents == null) {
                 mPendingEvents = new RingBuffer(MotionEvent.class, MAX_EVENTS_BUFFER);
             }
             mPendingEvents.append(motionEvent);
-            setInkViewVisibilityListener();
-        }
-    }
-
-    private void setInkViewVisibilityListener() {
-        if (mInkWindow != null) {
             mInkWindow.setInkViewVisibilityListener(() -> {
                 if (mPendingEvents != null && !mPendingEvents.isEmpty()) {
                     for (MotionEvent event : mPendingEvents.toArray()) {
@@ -2546,7 +2539,6 @@ public class InputMethodService extends AbstractInputMethodService {
             mHandler.removeCallbacks(mFinishHwRunnable);
         }
         mFinishHwRunnable = null;
-        mPendingEvents.clear();
 
         final int requestId = mHandwritingRequestId.getAsInt();
         mHandwritingRequestId = OptionalInt.empty();
-- 
cgit v1.2.3-59-g8ed1b