277 lines
11 KiB
JavaScript
277 lines
11 KiB
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = exports.TOUCHABLE_STATE = void 0;
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var React = _interopRequireWildcard(require("react"));
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var _reactNative = require("react-native");
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var _State = require("../../State");
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var _GestureButtons = require("../GestureButtons");
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function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function () { return cache; }; return cache; }
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function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
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function _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }
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function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
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/**
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* Each touchable is a states' machine which preforms transitions.
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* On very beginning (and on the very end or recognition) touchable is
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* UNDETERMINED. Then it moves to BEGAN. If touchable recognizes that finger
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* travel outside it transits to special MOVED_OUTSIDE state. Gesture recognition
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* finishes in UNDETERMINED state.
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*/
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const TOUCHABLE_STATE = {
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UNDETERMINED: 0,
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BEGAN: 1,
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MOVED_OUTSIDE: 2
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};
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exports.TOUCHABLE_STATE = TOUCHABLE_STATE;
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/**
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* GenericTouchable is not intented to be used as it is.
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* Should be treated as a source for the rest of touchables
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*/
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class GenericTouchable extends React.Component {
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constructor(...args) {
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super(...args);
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_defineProperty(this, "pressInTimeout", void 0);
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_defineProperty(this, "pressOutTimeout", void 0);
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_defineProperty(this, "longPressTimeout", void 0);
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_defineProperty(this, "longPressDetected", false);
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_defineProperty(this, "pointerInside", true);
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_defineProperty(this, "STATE", TOUCHABLE_STATE.UNDETERMINED);
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_defineProperty(this, "onGestureEvent", ({
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nativeEvent: {
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pointerInside
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}
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}) => {
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if (this.pointerInside !== pointerInside) {
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if (pointerInside) {
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this.onMoveIn();
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} else {
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this.onMoveOut();
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}
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}
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this.pointerInside = pointerInside;
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});
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_defineProperty(this, "onHandlerStateChange", ({
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nativeEvent
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}) => {
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const {
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state
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} = nativeEvent;
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if (state === _State.State.CANCELLED || state === _State.State.FAILED) {
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// Need to handle case with external cancellation (e.g. by ScrollView)
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this.moveToState(TOUCHABLE_STATE.UNDETERMINED);
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} else if ( // This platform check is an implication of slightly different behavior of handlers on different platform.
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// And Android "Active" state is achieving on first move of a finger, not on press in.
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// On iOS event on "Began" is not delivered.
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state === (_reactNative.Platform.OS !== 'android' ? _State.State.ACTIVE : _State.State.BEGAN) && this.STATE === TOUCHABLE_STATE.UNDETERMINED) {
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// Moving inside requires
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this.handlePressIn();
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} else if (state === _State.State.END) {
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const shouldCallOnPress = !this.longPressDetected && this.STATE !== TOUCHABLE_STATE.MOVED_OUTSIDE && this.pressOutTimeout === null;
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this.handleGoToUndetermined();
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if (shouldCallOnPress) {
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var _this$props$onPress, _this$props;
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// Calls only inside component whether no long press was called previously
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(_this$props$onPress = (_this$props = this.props).onPress) === null || _this$props$onPress === void 0 ? void 0 : _this$props$onPress.call(_this$props);
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}
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}
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});
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_defineProperty(this, "onLongPressDetected", () => {
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var _this$props$onLongPre, _this$props2;
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this.longPressDetected = true; // checked for in the caller of `onLongPressDetected`, but better to check twice
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(_this$props$onLongPre = (_this$props2 = this.props).onLongPress) === null || _this$props$onLongPre === void 0 ? void 0 : _this$props$onLongPre.call(_this$props2);
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});
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}
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// handlePressIn in called on first touch on traveling inside component.
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// Handles state transition with delay.
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handlePressIn() {
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if (this.props.delayPressIn) {
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this.pressInTimeout = setTimeout(() => {
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this.moveToState(TOUCHABLE_STATE.BEGAN);
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this.pressInTimeout = null;
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}, this.props.delayPressIn);
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} else {
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this.moveToState(TOUCHABLE_STATE.BEGAN);
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}
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if (this.props.onLongPress) {
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const time = (this.props.delayPressIn || 0) + (this.props.delayLongPress || 0);
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this.longPressTimeout = setTimeout(this.onLongPressDetected, time);
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}
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} // handleMoveOutside in called on traveling outside component.
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// Handles state transition with delay.
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handleMoveOutside() {
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if (this.props.delayPressOut) {
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this.pressOutTimeout = this.pressOutTimeout || setTimeout(() => {
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this.moveToState(TOUCHABLE_STATE.MOVED_OUTSIDE);
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this.pressOutTimeout = null;
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}, this.props.delayPressOut);
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} else {
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this.moveToState(TOUCHABLE_STATE.MOVED_OUTSIDE);
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}
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} // handleGoToUndetermined transits to UNDETERMINED state with proper delay
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handleGoToUndetermined() {
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clearTimeout(this.pressOutTimeout); // TODO: maybe it can be undefined
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if (this.props.delayPressOut) {
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this.pressOutTimeout = setTimeout(() => {
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if (this.STATE === TOUCHABLE_STATE.UNDETERMINED) {
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this.moveToState(TOUCHABLE_STATE.BEGAN);
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}
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this.moveToState(TOUCHABLE_STATE.UNDETERMINED);
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this.pressOutTimeout = null;
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}, this.props.delayPressOut);
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} else {
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if (this.STATE === TOUCHABLE_STATE.UNDETERMINED) {
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this.moveToState(TOUCHABLE_STATE.BEGAN);
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}
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this.moveToState(TOUCHABLE_STATE.UNDETERMINED);
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}
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}
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componentDidMount() {
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this.reset();
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} // reset timeout to prevent memory leaks.
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reset() {
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this.longPressDetected = false;
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this.pointerInside = true;
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clearTimeout(this.pressInTimeout);
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clearTimeout(this.pressOutTimeout);
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clearTimeout(this.longPressTimeout);
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this.pressOutTimeout = null;
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this.longPressTimeout = null;
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this.pressInTimeout = null;
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} // All states' transitions are defined here.
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moveToState(newState) {
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var _this$props$onStateCh, _this$props6;
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if (newState === this.STATE) {
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// Ignore dummy transitions
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return;
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}
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if (newState === TOUCHABLE_STATE.BEGAN) {
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var _this$props$onPressIn, _this$props3;
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// First touch and moving inside
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(_this$props$onPressIn = (_this$props3 = this.props).onPressIn) === null || _this$props$onPressIn === void 0 ? void 0 : _this$props$onPressIn.call(_this$props3);
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} else if (newState === TOUCHABLE_STATE.MOVED_OUTSIDE) {
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var _this$props$onPressOu, _this$props4;
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// Moving outside
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(_this$props$onPressOu = (_this$props4 = this.props).onPressOut) === null || _this$props$onPressOu === void 0 ? void 0 : _this$props$onPressOu.call(_this$props4);
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} else if (newState === TOUCHABLE_STATE.UNDETERMINED) {
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// Need to reset each time on transition to UNDETERMINED
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this.reset();
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if (this.STATE === TOUCHABLE_STATE.BEGAN) {
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var _this$props$onPressOu2, _this$props5;
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// ... and if it happens inside button.
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(_this$props$onPressOu2 = (_this$props5 = this.props).onPressOut) === null || _this$props$onPressOu2 === void 0 ? void 0 : _this$props$onPressOu2.call(_this$props5);
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}
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} // Finally call lister (used by subclasses)
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(_this$props$onStateCh = (_this$props6 = this.props).onStateChange) === null || _this$props$onStateCh === void 0 ? void 0 : _this$props$onStateCh.call(_this$props6, this.STATE, newState); // ... and make transition.
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this.STATE = newState;
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}
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componentWillUnmount() {
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// to prevent memory leaks
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this.reset();
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}
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onMoveIn() {
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if (this.STATE === TOUCHABLE_STATE.MOVED_OUTSIDE) {
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// This call is not throttled with delays (like in RN's implementation).
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this.moveToState(TOUCHABLE_STATE.BEGAN);
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}
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}
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onMoveOut() {
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// long press should no longer be detected
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clearTimeout(this.longPressTimeout);
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this.longPressTimeout = null;
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if (this.STATE === TOUCHABLE_STATE.BEGAN) {
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this.handleMoveOutside();
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}
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}
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render() {
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const coreProps = {
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accessible: this.props.accessible !== false,
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accessibilityLabel: this.props.accessibilityLabel,
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accessibilityHint: this.props.accessibilityHint,
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accessibilityRole: this.props.accessibilityRole,
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// TODO: check if changed to no 's' correctly, also removed 2 props that are no longer available: `accessibilityComponentType` and `accessibilityTraits`,
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// would be good to check if it is ok for sure, see: https://github.com/facebook/react-native/issues/24016
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accessibilityState: this.props.accessibilityState,
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nativeID: this.props.nativeID,
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onLayout: this.props.onLayout,
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hitSlop: this.props.hitSlop
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};
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return /*#__PURE__*/React.createElement(_GestureButtons.BaseButton, _extends({
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style: this.props.containerStyle,
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onHandlerStateChange: // TODO: not sure if it can be undefined instead of null
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this.props.disabled ? undefined : this.onHandlerStateChange,
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onGestureEvent: this.onGestureEvent,
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hitSlop: this.props.hitSlop,
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shouldActivateOnStart: this.props.shouldActivateOnStart,
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disallowInterruption: this.props.disallowInterruption,
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testID: this.props.testID
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}, this.props.extraButtonProps), /*#__PURE__*/React.createElement(_reactNative.Animated.View, _extends({}, coreProps, {
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style: this.props.style
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}), this.props.children));
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}
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}
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exports.default = GenericTouchable;
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_defineProperty(GenericTouchable, "defaultProps", {
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delayLongPress: 600,
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extraButtonProps: {
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rippleColor: 'transparent'
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}
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});
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//# sourceMappingURL=GenericTouchable.js.map
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