[m-bert]

Description

On iOS, a Pressable with a relation prop (simultaneousWith, requireToFail or block) renders StatefulPressable, which called onPressIn and never onPressOut when it was disabled while a finger held it. Since #4501 the button cancels the press at that moment, so onPressOut is expected without onPress, which is what the default Pressable and LegacyPressable do.

The native gesture's onFinalize arrives before the long press's onTouchesCancel, which is the path that delivers the press-out. onFinalize ran handleFinalize, clearing isCurrentlyPressed, so the later handlePressOut returned early. The same ordering appears when the native gesture fails because a requireToFail double tap wins; there the long press ends with a touch up instead of a cancel, so no press-out ever came and the long-press timer stayed armed.

StatefulPressable now delivers the press-out itself when the native gesture is cancelled on iOS while the press is still held, using the touch recorded at press-in. A later touch cancel from the long press finds the press already ended and bails. Every other path is unchanged.

Fixes #4630.

Test plan

Tested on an iPhone 17 Pro simulator with a Pressable that has simultaneousWith={[]}:

• disabling it 300 ms into a hold logs onPressIn, onPressOut, no onPress; same with unstable_pressDelay and delayLongPress
• double tapping it with a requireToFail double tap logs onPressIn, onPressOut, no onLongPress
• dragging inside an RN ScrollView or a parent pan still presses out through the touch cancel, as before
• a plain tap still logs onPressIn, onPressOut, onPress
• the default Pressable and LegacyPressable behave as before

Test code:

// #4630 regression matrix: StatefulPressable (relation prop) in every
// situation where the native gesture can be cancelled while the press is held.
// Each row logs its callback sequence as `[4630] <row>: <event>`.
import React, { useEffect, useRef, useState } from 'react';
import {
  Modal,
  ScrollView as RNScrollView,
  StyleSheet,
  Text,
  View,
} from 'react-native';
import type { PressableProps } from 'react-native-gesture-handler';
import {
  GestureDetector,
  GestureHandlerRootView,
  Pressable,
  ScrollView,
  usePanGesture,
  useTapGesture,
} from 'react-native-gesture-handler';

const DISABLE_AFTER_MS = 300;
const RECOVER_AFTER_MS = 800;

type Log = (line: string) => void;

export default function Matrix() {
  const [lines, setLines] = useState<string[]>([]);
  const t0 = useRef(Date.now());
  const log: Log = (line) => {
    console.log(`[4630] ${Date.now() - t0.current} ${line}`);
    setLines((current) => [...current.slice(-9), line]);
  };

  return (
    <GestureHandlerRootView style={styles.container}>
      <DisableRow id="A-longPress" log={log} delayLongPress={500} />
      <DisableRow id="B-pressDelay" log={log} unstable_pressDelay={500} />
      <RNScrollRow log={log} />
      <RNGHScrollRow log={log} />
      <PanParentRow log={log} />
      <RequireToFailRow log={log} />
      <ModalRow log={log} />
      <UnmountRow log={log} />
      <Text style={styles.log} testID="log">
        {lines.join('\n')}
      </Text>
    </GestureHandlerRootView>
  );
}

function pressProps(id: string, log: Log): PressableProps {
  return {
    testID: id,
    simultaneousWith: [],
    onPressIn: () => log(`${id}: onPressIn`),
    onPressOut: () => log(`${id}: onPressOut`),
    onPress: () => log(`${id}: onPress`),
    onLongPress: () => log(`${id}: onLongPress`),
  };
}

function Box({ id, disabled }: { id: string; disabled?: boolean }) {
  return (
    <View style={[styles.box, disabled && styles.disabled]}>
      <Text>{id}</Text>
    </View>
  );
}

// Disables itself under the finger, re-enables shortly after.
function DisableRow({
  id,
  log,
  ...rest
}: { id: string; log: Log } & Partial<PressableProps>) {
  const [disabled, setDisabled] = useState(false);
  const base = pressProps(id, log);
  return (
    <Pressable
      {...base}
      {...rest}
      disabled={disabled}
      onPressIn={(e) => {
        base.onPressIn?.(e);
        setTimeout(() => setDisabled(true), DISABLE_AFTER_MS);
        setTimeout(() => setDisabled(false), RECOVER_AFTER_MS);
      }}>
      <Box id={id} disabled={disabled} />
    </Pressable>
  );
}

// RN ScrollView steals the touch when dragged.
function RNScrollRow({ log }: { log: Log }) {
  const id = 'C-rnScroll';
  return (
    <RNScrollView style={styles.scroll} showsVerticalScrollIndicator={false}>
      <Pressable {...pressProps(id, log)}>
        <Box id={id} />
      </Pressable>
      <View style={styles.filler} />
    </RNScrollView>
  );
}

// RNGH ScrollView steals the touch when dragged.
function RNGHScrollRow({ log }: { log: Log }) {
  const id = 'D-rnghScroll';
  return (
    <ScrollView style={styles.scroll} showsVerticalScrollIndicator={false}>
      <Pressable {...pressProps(id, log)}>
        <Box id={id} />
      </Pressable>
      <View style={styles.filler} />
    </ScrollView>
  );
}

// A parent pan (not simultaneous) activates when dragged.
function PanParentRow({ log }: { log: Log }) {
  const id = 'E-panParent';
  const pan = usePanGesture({
    runOnJS: true,
    onActivate: () => log(`${id}: pan onActivate`),
    onDeactivate: () => log(`${id}: pan onDeactivate`),
  });
  return (
    <GestureDetector gesture={pan}>
      <View>
        <Pressable {...pressProps(id, log)}>
          <Box id={id} />
        </Pressable>
      </View>
    </GestureDetector>
  );
}

// The press waits for a double tap to fail.
function RequireToFailRow({ log }: { log: Log }) {
  const id = 'F-requireToFail';
  const doubleTap = useTapGesture({
    numberOfTaps: 2,
    runOnJS: true,
    onActivate: () => log(`${id}: doubleTap onActivate`),
  });
  return (
    <GestureDetector gesture={doubleTap}>
      <View>
        <Pressable {...pressProps(id, log)} requireToFail={doubleTap}>
          <Box id={id} />
        </Pressable>
      </View>
    </GestureDetector>
  );
}

// A modal opens over the finger and closes by itself.
function ModalRow({ log }: { log: Log }) {
  const id = 'G-modal';
  const [visible, setVisible] = useState(false);
  const base = pressProps(id, log);
  return (
    <>
      <Pressable
        {...base}
        onPressIn={(e) => {
          base.onPressIn?.(e);
          setTimeout(() => setVisible(true), DISABLE_AFTER_MS);
          setTimeout(() => setVisible(false), RECOVER_AFTER_MS);
        }}>
        <Box id={id} />
      </Pressable>
      <Modal visible={visible} transparent animationType="none">
        <View style={styles.modal}>
          <Text>modal</Text>
        </View>
      </Modal>
    </>
  );
}

// The pressable unmounts under the finger and remounts shortly after.
function UnmountRow({ log }: { log: Log }) {
  const id = 'H-unmount';
  const [mounted, setMounted] = useState(true);
  const timers = useRef<ReturnType<typeof setTimeout>[]>([]);
  useEffect(() => () => timers.current.forEach(clearTimeout), []);
  const base = pressProps(id, log);
  if (!mounted) {
    return (
      <View style={[styles.box, styles.disabled]}>
        <Text>{id} (unmounted)</Text>
      </View>
    );
  }
  return (
    <Pressable
      {...base}
      onPressIn={(e) => {
        base.onPressIn?.(e);
        timers.current.push(
          setTimeout(() => setMounted(false), DISABLE_AFTER_MS),
          setTimeout(() => setMounted(true), RECOVER_AFTER_MS)
        );
      }}>
      <Box id={id} />
    </Pressable>
  );
}

const styles = StyleSheet.create({
  container: {
    flex: 1,
    alignItems: 'center',
    paddingTop: 8,
    gap: 10,
  },
  box: {
    width: 300,
    height: 44,
    backgroundColor: '#b58df1',
    alignItems: 'center',
    justifyContent: 'center',
  },
  disabled: {
    backgroundColor: '#e0e0e0',
  },
  scroll: {
    height: 44,
    flexGrow: 0,
  },
  filler: {
    height: 200,
  },
  modal: {
    flex: 1,
    backgroundColor: 'rgba(0,0,0,0.3)',
    alignItems: 'center',
    justifyContent: 'center',
  },
  log: {
    width: 320,
    fontSize: 12,
    fontVariant: ['tabular-nums'],
  },
});

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• packages/react-native-gesture-handler/src/v3/components/StatefulPressable.tsx

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📝 Summary

Summary by CodeRabbit

• Bug Fixes
  • On iOS, canceled gestures during an active press now trigger the expected press-out behavior and mark the press as unsuccessful. The press-out event uses the recorded touch-down event when available, or the view center when no touch-down event was recorded. Other platforms and gestures that are not canceled continue to follow their existing behavior.

StatefulPressable now retains the latest press-in event. When an iOS native gesture is canceled during an active press, it calls handlePressOut with the saved event or a view-center event and marks the press unsuccessful.

Changes: Press cancellation

Layer / File(s)	Summary
Retain press event and handle cancellation packages/react-native-gesture-handler/src/v3/components/StatefulPressable.tsx	StatefulPressable saves the press-in event. On iOS cancellation during an active press, it calls handlePressOut with that event or a view-center event, marks the press unsuccessful, and returns.

Priority: Normal

Severity of issue fixed: Medium

Merge Risk: Minimal · up to 847c3

The iOS cancellation fix is ready to merge after normal checks; no actionable risk remains from the reviewed change.

Pre-merge checks: 3

Check name	Status	Explanation
Title check		The title names the iOS fix for a missing onPressOut in StatefulPressable. The change matches this: on iOS, a canceled native gesture while the press is held now calls handlePressOut with the retained…
Linked Issues check		The change satisfies #4630. On iOS, a canceled native gesture calls handlePressOut while the press is active. The retained press-in event supports this callback. The change marks the press unsuccess…
Out of Scope Changes check		The reviewed change is limited to StatefulPressable.tsx. Event retention and iOS cancellation handling directly implement #4630. No unrelated product behavior or files are included.

Full details: Title check

Explanation

The title names the iOS fix for a missing onPressOut in StatefulPressable. The change matches this: on iOS, a canceled native gesture while the press is held now calls handlePressOut with the retained press-in event. The title is specific and states the main change, so it passes.

Full details: Linked Issues check

Explanation

The change satisfies #4630. On iOS, a canceled native gesture calls handlePressOut while the press is active. The retained press-in event supports this callback. The change marks the press unsuccessful, so onPressOut fires without onPress. The existing finalization path remains for other cases.

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Actionable comments posted: 1

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• 🪄 Fix comments: Fix CodeRabbit comments on this PR

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Inline comments:
Review comments at
@packages/react-native-gesture-handler/src/v3/components/StatefulPressable.tsx:
- Line 308: Update StatefulPressable so pressInEventRef is set when
handlePressIn accepts a press, not on every touch-down; preserve the accepted
press event for a later cancellation and onPressOut.

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[m-bert]

This part is removed in #4639