Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit cadc2c2c authored by Taran Singh's avatar Taran Singh
Browse files

Disable batching in InputEventReceiver for inking 

Use unbatched events in IMF for lower latency.

Bug: 289864334
Bug: 287109569
Test: Manually using logcat & HandwritingIme

Change-Id: I11af096da743dadfa3361c236c224fceb7f7562b
parent d3813b18

core/java/android/inputmethodservice/InputMethodService.java

+13 −9
Original line number Diff line number Diff line
@@ -103,11 +103,10 @@ import android.util.PrintWriterPrinter; 
import android.util.Printer;

import android.util.Xml;

import android.util.proto.ProtoOutputStream;

import android.view.BatchedInputEventReceiver.SimpleBatchedInputEventReceiver;

import android.view.Choreographer;

import android.view.Gravity;

import android.view.InputChannel;

import android.view.InputDevice;

import android.view.InputEvent;

import android.view.InputEventReceiver;

import android.view.KeyCharacterMap;

import android.view.KeyEvent;
@@ -1052,17 +1051,22 @@ public class InputMethodService extends AbstractInputMethodService { 
            stylusEvents.forEach(InputMethodService.this::onStylusHandwritingMotionEvent);



            // create receiver for channel

            mHandwritingEventReceiver = new SimpleBatchedInputEventReceiver(

                    channel,

                    Looper.getMainLooper(), Choreographer.getInstance(),

                    event -> {

            mHandwritingEventReceiver = new InputEventReceiver(channel, Looper.getMainLooper()) {

                @Override

                public void onInputEvent(InputEvent event) {

                    boolean handled = false;

                    try {

                        if (!(event instanceof MotionEvent)) {

                            return false;

                            return;

                        }

                        onStylusHandwritingMotionEvent((MotionEvent) event);

                        scheduleHandwritingSessionTimeout();

                        return true;

                    });

                        handled = true;

                    } finally {

                        finishInputEvent(event, handled);

                    }

                }

            };

            scheduleHandwritingSessionTimeout();

        }