Revert "Revert focus event PRs (#18655)"

This reverts commit 58c895e59c.
This commit is contained in:
Dominic Gannaway 2020-04-18 17:53:16 +01:00 committed by GitHub
parent cfefc81ab2
commit e1f251afbd
4 changed files with 56 additions and 65 deletions

View File

@ -1355,10 +1355,6 @@ export function listenToEventResponderEventTypes(
const targetEventType = isPassive
? eventType
: eventType.substring(0, eventType.length - 7);
// We don't listen to this as we actually emulate it in the host config
if (targetEventType === 'beforeblur') {
continue;
}
if (!listenerMap.has(eventKey)) {
if (isPassive) {
const activeKey = targetEventType + '_active';

View File

@ -62,7 +62,6 @@ import {REACT_OPAQUE_ID_TYPE} from 'shared/ReactSymbols';
import {
mountEventResponder,
unmountEventResponder,
DEPRECATED_dispatchEventForResponderEventSystem,
} from '../events/DeprecatedDOMEventResponderSystem';
import {retryIfBlockedOn} from '../events/ReactDOMEventReplaying';
@ -74,8 +73,6 @@ import {
enableScopeAPI,
} from 'shared/ReactFeatureFlags';
import {
RESPONDER_EVENT_SYSTEM,
IS_PASSIVE,
PLUGIN_EVENT_SYSTEM,
USE_EVENT_SYSTEM,
} from '../events/EventSystemFlags';
@ -528,22 +525,9 @@ function createEvent(type: TopLevelType): Event {
}
function dispatchBeforeDetachedBlur(target: HTMLElement): void {
const targetInstance = getClosestInstanceFromNode(target);
((selectionInformation: any): SelectionInformation).activeElementDetached = target;
if (enableDeprecatedFlareAPI) {
DEPRECATED_dispatchEventForResponderEventSystem(
'beforeblur',
targetInstance,
({
target,
timeStamp: Date.now(),
}: any),
target,
RESPONDER_EVENT_SYSTEM | IS_PASSIVE,
);
}
if (enableUseEventAPI) {
if (enableDeprecatedFlareAPI || enableUseEventAPI) {
const event = createEvent(TOP_BEFORE_BLUR);
// Dispatch "beforeblur" directly on the target,
// so it gets picked up by the event system and
@ -553,20 +537,7 @@ function dispatchBeforeDetachedBlur(target: HTMLElement): void {
}
function dispatchAfterDetachedBlur(target: HTMLElement): void {
if (enableDeprecatedFlareAPI) {
DEPRECATED_dispatchEventForResponderEventSystem(
'blur',
null,
({
isTargetAttached: false,
target,
timeStamp: Date.now(),
}: any),
target,
RESPONDER_EVENT_SYSTEM | IS_PASSIVE,
);
}
if (enableUseEventAPI) {
if (enableDeprecatedFlareAPI || enableUseEventAPI) {
const event = createEvent(TOP_AFTER_BLUR);
// So we know what was detached, make the relatedTarget the
// detached target on the "afterblur" event.

View File

@ -22,7 +22,7 @@ import {DiscreteEvent} from 'shared/ReactTypes';
*/
type FocusEvent = {|
isTargetAttached: boolean,
relatedTarget: null | Element | Document,
target: Element | Document,
type: FocusEventType | FocusWithinEventType,
pointerType: PointerType,
@ -53,6 +53,7 @@ type FocusEventType = 'focus' | 'blur' | 'focuschange' | 'focusvisiblechange';
type FocusWithinProps = {
disabled?: boolean,
onFocusWithin?: (e: FocusEvent) => void,
onAfterBlurWithin?: (e: FocusEvent) => void,
onBeforeBlurWithin?: (e: FocusEvent) => void,
onBlurWithin?: (e: FocusEvent) => void,
onFocusWithinChange?: boolean => void,
@ -65,7 +66,8 @@ type FocusWithinEventType =
| 'focuswithinchange'
| 'blurwithin'
| 'focuswithin'
| 'beforeblurwithin';
| 'beforeblurwithin'
| 'afterblurwithin';
/**
* Shared between Focus and FocusWithin
@ -116,8 +118,7 @@ const focusVisibleEvents = hasPointerEvents
const targetEventTypes = ['focus', 'blur', 'beforeblur', ...focusVisibleEvents];
// Used only for the blur "detachedTarget" logic
const rootEventTypes = ['blur'];
const rootEventTypes = ['afterblur'];
function addWindowEventListener(types, callback, options) {
types.forEach(type => {
@ -192,10 +193,10 @@ function createFocusEvent(
type: FocusEventType | FocusWithinEventType,
target: Element | Document,
pointerType: PointerType,
isTargetAttached: boolean,
relatedTarget: null | Element | Document,
): FocusEvent {
return {
isTargetAttached,
relatedTarget,
target,
type,
pointerType,
@ -297,7 +298,7 @@ function dispatchFocusEvents(
'focus',
target,
pointerType,
true,
null,
);
context.dispatchEvent(syntheticEvent, onFocus, DiscreteEvent);
}
@ -321,7 +322,7 @@ function dispatchBlurEvents(
'blur',
target,
pointerType,
true,
null,
);
context.dispatchEvent(syntheticEvent, onBlur, DiscreteEvent);
}
@ -346,7 +347,7 @@ function dispatchFocusWithinEvents(
'focuswithin',
target,
pointerType,
true,
null,
);
context.dispatchEvent(syntheticEvent, onFocusWithin, DiscreteEvent);
}
@ -361,19 +362,39 @@ function dispatchBlurWithinEvents(
const pointerType = state.pointerType;
const target = ((state.focusTarget: any): Element | Document) || event.target;
const onBlurWithin = (props.onBlurWithin: any);
const isTargetAttached = state.detachedTarget === null;
if (isFunction(onBlurWithin)) {
const syntheticEvent = createFocusEvent(
context,
'blurwithin',
target,
pointerType,
isTargetAttached,
null,
);
context.dispatchEvent(syntheticEvent, onBlurWithin, DiscreteEvent);
}
}
function dispatchAfterBlurWithinEvents(
context: ReactDOMResponderContext,
event: ReactDOMResponderEvent,
props: FocusWithinProps,
state: FocusState,
) {
const pointerType = state.pointerType;
const onAfterBlurWithin = (props.onAfterBlurWithin: any);
const relatedTarget = state.detachedTarget;
if (isFunction(onAfterBlurWithin) && relatedTarget !== null) {
const syntheticEvent = createFocusEvent(
context,
'afterblurwithin',
relatedTarget,
pointerType,
relatedTarget,
);
context.dispatchEvent(syntheticEvent, onAfterBlurWithin, DiscreteEvent);
}
}
function dispatchFocusChange(
context: ReactDOMResponderContext,
props: FocusProps,
@ -616,7 +637,7 @@ const focusWithinResponderImpl = {
'beforeblurwithin',
event.target,
state.pointerType,
true,
null,
);
state.detachedTarget = event.target;
context.dispatchEvent(
@ -660,10 +681,13 @@ const focusWithinResponderImpl = {
props: FocusWithinProps,
state: FocusState,
): void {
if (event.type === 'blur') {
if (event.type === 'afterblur') {
const detachedTarget = state.detachedTarget;
if (detachedTarget !== null && detachedTarget === event.target) {
dispatchBlurWithinEvents(context, event, props, state);
if (
detachedTarget !== null &&
detachedTarget === event.nativeEvent.relatedTarget
) {
dispatchAfterBlurWithinEvents(context, event, props, state);
state.detachedTarget = null;
if (state.addedRootEvents) {
state.addedRootEvents = false;

View File

@ -290,11 +290,11 @@ describe.each(table)('FocusWithin responder', hasPointerEvents => {
});
describe('onBeforeBlurWithin', () => {
let onBeforeBlurWithin, onBlurWithin, ref, innerRef, innerRef2;
let onBeforeBlurWithin, onAfterBlurWithin, ref, innerRef, innerRef2;
beforeEach(() => {
onBeforeBlurWithin = jest.fn();
onBlurWithin = jest.fn();
onAfterBlurWithin = jest.fn();
ref = React.createRef();
innerRef = React.createRef();
innerRef2 = React.createRef();
@ -305,7 +305,7 @@ describe.each(table)('FocusWithin responder', hasPointerEvents => {
const Component = ({show}) => {
const listener = useFocusWithin({
onBeforeBlurWithin,
onBlurWithin,
onAfterBlurWithin,
});
return (
<div ref={ref} DEPRECATED_flareListeners={listener}>
@ -322,12 +322,12 @@ describe.each(table)('FocusWithin responder', hasPointerEvents => {
target.keydown({key: 'Tab'});
target.focus();
expect(onBeforeBlurWithin).toHaveBeenCalledTimes(0);
expect(onBlurWithin).toHaveBeenCalledTimes(0);
expect(onAfterBlurWithin).toHaveBeenCalledTimes(0);
ReactDOM.render(<Component show={false} />, container);
expect(onBeforeBlurWithin).toHaveBeenCalledTimes(1);
expect(onBlurWithin).toHaveBeenCalledTimes(1);
expect(onBlurWithin).toHaveBeenCalledWith(
expect.objectContaining({isTargetAttached: false}),
expect(onAfterBlurWithin).toHaveBeenCalledTimes(1);
expect(onAfterBlurWithin).toHaveBeenCalledWith(
expect.objectContaining({relatedTarget: inner}),
);
});
@ -336,7 +336,7 @@ describe.each(table)('FocusWithin responder', hasPointerEvents => {
const Component = ({show}) => {
const listener = useFocusWithin({
onBeforeBlurWithin,
onBlurWithin,
onAfterBlurWithin,
});
return (
<div ref={ref} DEPRECATED_flareListeners={listener}>
@ -357,12 +357,12 @@ describe.each(table)('FocusWithin responder', hasPointerEvents => {
target.keydown({key: 'Tab'});
target.focus();
expect(onBeforeBlurWithin).toHaveBeenCalledTimes(0);
expect(onBlurWithin).toHaveBeenCalledTimes(0);
expect(onAfterBlurWithin).toHaveBeenCalledTimes(0);
ReactDOM.render(<Component show={false} />, container);
expect(onBeforeBlurWithin).toHaveBeenCalledTimes(1);
expect(onBlurWithin).toHaveBeenCalledTimes(1);
expect(onBlurWithin).toHaveBeenCalledWith(
expect.objectContaining({isTargetAttached: false}),
expect(onAfterBlurWithin).toHaveBeenCalledTimes(1);
expect(onAfterBlurWithin).toHaveBeenCalledWith(
expect.objectContaining({relatedTarget: inner}),
);
});
@ -418,7 +418,7 @@ describe.each(table)('FocusWithin responder', hasPointerEvents => {
const Component = ({show}) => {
const listener = useFocusWithin({
onBeforeBlurWithin,
onBlurWithin,
onAfterBlurWithin,
});
return (
@ -444,7 +444,7 @@ describe.each(table)('FocusWithin responder', hasPointerEvents => {
target.keydown({key: 'Tab'});
target.focus();
expect(onBeforeBlurWithin).toHaveBeenCalledTimes(0);
expect(onBlurWithin).toHaveBeenCalledTimes(0);
expect(onAfterBlurWithin).toHaveBeenCalledTimes(0);
suspend = true;
root.render(<Component />);
@ -454,7 +454,7 @@ describe.each(table)('FocusWithin responder', hasPointerEvents => {
'<div><input style="display: none;">Loading...</div>',
);
expect(onBeforeBlurWithin).toHaveBeenCalledTimes(1);
expect(onBlurWithin).toHaveBeenCalledTimes(1);
expect(onAfterBlurWithin).toHaveBeenCalledTimes(1);
resolve();
document.body.removeChild(container2);