1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 | 1× 54× 9× 9× 9× 1× 1× 9× 9× 1× 9× 9× 9× 9× 9× 9× 9× 9× 9× 9× 201× 201× 201× 197× 197× 11× 11× 197× 3× 3× 1× 1× 1× 9× 1× 8× 1× 9× 9× 10× 9× | 'use strict'; var _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; }; var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; Eif ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { Eif (protoProps) defineProperties(Constructor.prototype, protoProps); Iif (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); function _classCallCheck(instance, Constructor) { Iif (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } function _possibleConstructorReturn(self, call) { Iif (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; } function _inherits(subClass, superClass) { Iif (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); Eif (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; } var React = require('react'); module.exports = function AnimationFrameComponent(InnerComponent, throttleMs) { return function (_React$Component) { _inherits(AnimatedComponent, _React$Component); function AnimatedComponent() { _classCallCheck(this, AnimatedComponent); var _this = _possibleConstructorReturn(this, (AnimatedComponent.__proto__ || Object.getPrototypeOf(AnimatedComponent)).call(this)); _this.loop = _this.loop.bind(_this); _this.endAnimation = _this.endAnimation.bind(_this); _this.startAnimation = _this.startAnimation.bind(_this); _this.isActive = true; _this.rafId = 0; _this.lastInvocationMs = 0; return _this; } _createClass(AnimatedComponent, [{ key: 'loop', value: function loop(time) { var lastInvocationMs = this.lastInvocationMs, isActive = this.isActive; var isAnimatable = !!(this.innerComponent && this.innerComponent.onAnimationFrame); // Latter const is defensive check for React Native unmount (issues/#3) if (!isActive || !isAnimatable) return; var hasTimeElapsed = !throttleMs || time - lastInvocationMs >= throttleMs; if (hasTimeElapsed) { this.lastInvocationMs = time; this.innerComponent.onAnimationFrame(time, lastInvocationMs); } this.rafId = requestAnimationFrame(this.loop); } }, { key: 'endAnimation', value: function endAnimation() { cancelAnimationFrame(this.rafId); this.isActive = false; } }, { key: 'startAnimation', value: function startAnimation() { Eif (!this.isActive) { this.isActive = true; this.rafId = requestAnimationFrame(this.loop); } } }, { key: 'componentDidMount', value: function componentDidMount() { if (!this.innerComponent.onAnimationFrame) { throw new Error('The component passed to AnimationFrameComponent does not implement onAnimationFrame'); } this.rafId = requestAnimationFrame(this.loop); } }, { key: 'componentWillUnmount', value: function componentWillUnmount() { this.endAnimation(); } }, { key: 'render', value: function render() { var _this2 = this; return React.createElement(InnerComponent, _extends({ ref: function ref(node) { return _this2.innerComponent = node; }, endAnimation: this.endAnimation, startAnimation: this.startAnimation }, this.props)); } }]); return AnimatedComponent; }(React.Component); }; |