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Some TouchableHighlight cleanup 

Reviewed By: TheSavior

Differential Revision: D6494579

fbshipit-source-id: 02bbfc571e53f698cc943375800ad3bec4405495
This commit is contained in:
Spencer Ahrens 2017-12-13 17:21:20 -08:00 committed by Facebook Github Bot
parent 61d046be3c
commit ee8a7b4827
3 changed files with 75 additions and 81 deletions
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139
Libraries/Components/Touchable/TouchableHighlight.js
View File

@ -8,6 +8,7 @@
*
* @providesModule TouchableHighlight
* @flow
* @format
*/
'use strict';
@ -17,28 +18,19 @@ const PropTypes = require('prop-types');
const React = require('React');
const ReactNativeViewAttributes = require('ReactNativeViewAttributes');
const StyleSheet = require('StyleSheet');
/* $FlowFixMe(>=0.54.0 site=react_native_oss) This comment suppresses an error
* found when Flow v0.54 was deployed. To see the error delete this comment and
* run Flow. */
const TimerMixin = require('react-timer-mixin');
const Touchable = require('Touchable');
const TouchableWithoutFeedback = require('TouchableWithoutFeedback');
const View = require('View');
const ViewPropTypes = require('ViewPropTypes');
const createReactClass = require('create-react-class');
const ensureComponentIsNative = require('ensureComponentIsNative');
const ensurePositiveDelayProps = require('ensurePositiveDelayProps');
/* $FlowFixMe(>=0.54.0 site=react_native_oss) This comment suppresses an error
* found when Flow v0.54 was deployed. To see the error delete this comment and
* run Flow. */
const keyOf = require('fbjs/lib/keyOf');
const merge = require('merge');
import type {Event} from 'TouchableWithoutFeedback';
const DEFAULT_PROPS = {
activeOpacity: 0.85,
delayPressOut: 100,
underlayColor: 'black',
};
@ -141,7 +133,7 @@ const PRESS_RETENTION_OFFSET = {top: 20, left: 20, right: 20, bottom: 30};
*
*/
var TouchableHighlight = createReactClass({
const TouchableHighlight = createReactClass({
displayName: 'TouchableHighlight',
propTypes: {
...TouchableWithoutFeedback.propTypes,
@ -155,6 +147,10 @@ var TouchableHighlight = createReactClass({
* active.
*/
underlayColor: ColorPropType,
/**
* Style to apply to the container/underlay. Most commonly used to make sure
* rounded corners match the wrapped component.
*/
style: ViewPropTypes.style,
/**
* Called immediately after the underlay is shown
@ -184,64 +180,36 @@ var TouchableHighlight = createReactClass({
tvParallaxProperties: PropTypes.object,
},
mixins: [NativeMethodsMixin, TimerMixin, Touchable.Mixin],
mixins: [NativeMethodsMixin, Touchable.Mixin],
getDefaultProps: () => DEFAULT_PROPS,
// Performance optimization to avoid constantly re-generating these objects.
_computeSyntheticState: function(props) {
return {
activeProps: {
style: {
opacity: props.activeOpacity,
}
},
activeUnderlayProps: {
style: {
backgroundColor: props.underlayColor,
}
},
underlayStyle: [
INACTIVE_UNDERLAY_PROPS.style,
props.style,
],
hasTVPreferredFocus: props.hasTVPreferredFocus
};
},
getInitialState: function() {
this._isMounted = false;
return merge(
this.touchableGetInitialState(), this._computeSyntheticState(this.props)
);
return {
...this.touchableGetInitialState(),
extraChildStyle: null,
extraUnderlayStyle: styles.inactiveUnderlay,
};
},
componentDidMount: function() {
this._isMounted = true;
ensurePositiveDelayProps(this.props);
ensureComponentIsNative(this.refs[CHILD_REF]);
},
componentWillUnmount: function() {
this._isMounted = false;
},
componentDidUpdate: function() {
ensureComponentIsNative(this.refs[CHILD_REF]);
clearTimeout(this._hideTimeout);
},
componentWillReceiveProps: function(nextProps) {
ensurePositiveDelayProps(nextProps);
if (nextProps.activeOpacity !== this.props.activeOpacity ||
nextProps.underlayColor !== this.props.underlayColor ||
nextProps.style !== this.props.style) {
this.setState(this._computeSyntheticState(nextProps));
}
},
viewConfig: {
uiViewClassName: 'RCTView',
validAttributes: ReactNativeViewAttributes.RCTView
validAttributes: ReactNativeViewAttributes.RCTView,
},
/**
@ -249,7 +217,7 @@ var TouchableHighlight = createReactClass({
* defined on your component.
*/
touchableHandleActivePressIn: function(e: Event) {
this.clearTimeout(this._hideTimeout);
clearTimeout(this._hideTimeout);
this._hideTimeout = null;
this._showUnderlay();
this.props.onPressIn && this.props.onPressIn(e);
@ -263,10 +231,12 @@ var TouchableHighlight = createReactClass({
},
touchableHandlePress: function(e: Event) {
this.clearTimeout(this._hideTimeout);
clearTimeout(this._hideTimeout);
this._showUnderlay();
this._hideTimeout = this.setTimeout(this._hideUnderlay,
this.props.delayPressOut || 100);
this._hideTimeout = setTimeout(
this._hideUnderlay,
this.props.delayPressOut,
);
this.props.onPress && this.props.onPress(e);
},
@ -298,20 +268,24 @@ var TouchableHighlight = createReactClass({
if (!this._isMounted || !this._hasPressHandler()) {
return;
}
this.refs[UNDERLAY_REF].setNativeProps(this.state.activeUnderlayProps);
this.refs[CHILD_REF].setNativeProps(this.state.activeProps);
this.setState({
extraChildStyle: {
opacity: this.props.activeOpacity,
},
extraUnderlayStyle: {
backgroundColor: this.props.underlayColor,
},
});
this.props.onShowUnderlay && this.props.onShowUnderlay();
},
_hideUnderlay: function() {
this.clearTimeout(this._hideTimeout);
clearTimeout(this._hideTimeout);
this._hideTimeout = null;
if (this._hasPressHandler() && this.refs[UNDERLAY_REF]) {
this.refs[CHILD_REF].setNativeProps(INACTIVE_CHILD_PROPS);
this.refs[UNDERLAY_REF].setNativeProps({
...INACTIVE_UNDERLAY_PROPS,
style: this.state.underlayStyle,
if (this._hasPressHandler()) {
this.setState({
extraChildStyle: null,
extraUnderlayStyle: styles.inactiveUnderlay,
});
this.props.onHideUnderlay && this.props.onHideUnderlay();
}
@ -327,46 +301,51 @@ var TouchableHighlight = createReactClass({
},
render: function() {
const child = React.Children.only(this.props.children);
return (
<View
accessible={this.props.accessible !== false}
accessibilityLabel={this.props.accessibilityLabel}
accessibilityComponentType={this.props.accessibilityComponentType}
accessibilityTraits={this.props.accessibilityTraits}
ref={UNDERLAY_REF}
style={this.state.underlayStyle}
style={StyleSheet.compose(
this.props.style,
this.state.extraUnderlayStyle,
)}
onLayout={this.props.onLayout}
hitSlop={this.props.hitSlop}
isTVSelectable={true}
tvParallaxProperties={this.props.tvParallaxProperties}
hasTVPreferredFocus={this.state.hasTVPreferredFocus}
hasTVPreferredFocus={this.props.hasTVPreferredFocus}
onStartShouldSetResponder={this.touchableHandleStartShouldSetResponder}
onResponderTerminationRequest={this.touchableHandleResponderTerminationRequest}
onResponderTerminationRequest={
this.touchableHandleResponderTerminationRequest
}
onResponderGrant={this.touchableHandleResponderGrant}
onResponderMove={this.touchableHandleResponderMove}
onResponderRelease={this.touchableHandleResponderRelease}
onResponderTerminate={this.touchableHandleResponderTerminate}
nativeID={this.props.nativeID}
testID={this.props.testID}>
{React.cloneElement(
React.Children.only(this.props.children),
{
ref: CHILD_REF,
}
)}
{Touchable.renderDebugView({color: 'green', hitSlop: this.props.hitSlop})}
{React.cloneElement(child, {
style: StyleSheet.compose(
child.props.style,
this.state.extraChildStyle,
),
})}
{Touchable.renderDebugView({
color: 'green',
hitSlop: this.props.hitSlop,
})}
</View>
);
}
},
});
var CHILD_REF = keyOf({childRef: null});
var UNDERLAY_REF = keyOf({underlayRef: null});
var INACTIVE_CHILD_PROPS = {
style: StyleSheet.create({x: {opacity: 1.0}}).x,
};
var INACTIVE_UNDERLAY_PROPS = {
style: StyleSheet.create({x: {backgroundColor: 'transparent'}}).x,
};
const styles = StyleSheet.create({
inactiveUnderlay: {
backgroundColor: 'transparent',
},
});
module.exports = TouchableHighlight;

3
Libraries/Components/Touchable/__tests__/__snapshots__/TouchableHighlight-test.js.snap
View File

@ -19,10 +19,10 @@ exports[`TouchableHighlight renders correctly 1`] = `
onStartShouldSetResponder={[Function]}
style={
Array [
Object {},
Object {
"backgroundColor": "transparent",
},
Object {},
]
}
testID={undefined}
@ -32,6 +32,7 @@ exports[`TouchableHighlight renders correctly 1`] = `
accessible={true}
allowFontScaling={true}
ellipsizeMode="tail"
style={null}
>
Touchable
</Text>

14
Libraries/StyleSheet/StyleSheet.js
View File

@ -134,6 +134,20 @@ module.exports = {
*/
absoluteFillObject,
/**
* Combines two styles such that `style2` will override any styles in `style1`.
* If either style is falsy, the other one is returned without allocating an
* array, saving allocations and maintaining reference equality for
* PureComponent checks.
*/
compose(style1: ?StyleProp, style2: ?StyleProp): ?StyleProp {
if (style1 && style2) {
return [style1, style2];
} else {
return style1 || style2;
}
},
/**
* Flattens an array of style objects, into one aggregated style object.
* Alternatively, this method can be used to lookup IDs, returned by