rc-banner-anim/lib/Element.js

banner-anim animation component for react

'use strict';

exports.__esModule = true;

var _objectWithoutProperties2 = require('babel-runtime/helpers/objectWithoutProperties');

var _objectWithoutProperties3 = _interopRequireDefault(_objectWithoutProperties2);

var _extends2 = require('babel-runtime/helpers/extends');

var _extends3 = _interopRequireDefault(_extends2);

var _classCallCheck2 = require('babel-runtime/helpers/classCallCheck');

var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);

var _possibleConstructorReturn2 = require('babel-runtime/helpers/possibleConstructorReturn');

var _possibleConstructorReturn3 = _interopRequireDefault(_possibleConstructorReturn2);

var _inherits2 = require('babel-runtime/helpers/inherits');

var _inherits3 = _interopRequireDefault(_inherits2);

var _react = require('react');

var _react2 = _interopRequireDefault(_react);

var _propTypes = require('prop-types');

var _propTypes2 = _interopRequireDefault(_propTypes);

var _reactDom = require('react-dom');

var _reactDom2 = _interopRequireDefault(_reactDom);

var _rcTweenOne = require('rc-tween-one');

var _rcTweenOne2 = _interopRequireDefault(_rcTweenOne);

var _ticker = require('rc-tween-one/lib/ticker');

var _ticker2 = _interopRequireDefault(_ticker);

var _tweenFunctions = require('tween-functions');

var _tweenFunctions2 = _interopRequireDefault(_tweenFunctions);

var _styleUtils = require('style-utils');

var _BgElement = require('./BgElement');

var _BgElement2 = _interopRequireDefault(_BgElement);

var _utils = require('./utils');

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }

function noop() {}

var Element = function (_Component) {
  (0, _inherits3['default'])(Element, _Component);

  function Element(props) {
    (0, _classCallCheck3['default'])(this, Element);

    var _this = (0, _possibleConstructorReturn3['default'])(this, _Component.call(this, props));

    _initialiseProps.call(_this);

    _this.state = {
      show: _this.props.show
    };
    _this.tickerId = -1;
    _this.enterMouse = null;
    _this.delayTimeout = null;
    _this.show = _this.state.show;
    _this.followParallax = _this.props.followParallax;
    _this.transform = (0, _styleUtils.checkStyleName)('transform');
    return _this;
  }

  Element.prototype.componentDidMount = function componentDidMount() {
    this.dom = _reactDom2['default'].findDOMNode(this);
  };

  Element.prototype.componentWillReceiveProps = function componentWillReceiveProps(nextProps) {
    var show = nextProps.show;
    if (this.tickerId !== -1) {
      _ticker2['default'].clear(this.tickerId);
      this.tickerId = -1;
    }
    var followParallax = nextProps.followParallax;
    if (this.followParallax && !followParallax) {
      this.reFollowParallax();
    } else {
      this.followParallax = followParallax;
    }
    this.setState({ show: show, mouseMoveType: nextProps.mouseMoveType });
  };

  Element.prototype.componentDidUpdate = function componentDidUpdate() {
    if (this.followParallax) {
      this.doms = this.followParallax.data.map(function (item) {
        return document.getElementById(item.id);
      });
    }
  };

  Element.prototype.componentWillUnmount = function componentWillUnmount() {
    _ticker2['default'].clear(this.timeoutID);
    _ticker2['default'].clear(this.delayTimeout);
    this.delayTimeout = -1;
    this.timeoutID = -1;
  };

  Element.prototype.render = function render() {
    var _this2 = this;

    var props = (0, _extends3['default'])({}, this.props);
    var style = (0, _extends3['default'])({}, props.style);
    style.display = props.show ? 'block' : 'none';
    style.position = 'absolute';
    style.width = '100%';
    if (this.props.mouseMoveType !== 'end') {
      style[this.transform] = '';
    }
    props.style = style;
    props.className = ('banner-anim-elem ' + (this.props.prefixCls || '')).trim();
    var bgElem = (0, _utils.toArrayChildren)(this.props.children).filter(function (item) {
      return item.type.isBannerAnimBgElement;
    }).map(function (item) {
      return _react2['default'].cloneElement(item, { show: _this2.state.show });
    });
    ['prefixCls', 'callBack', 'animType', 'duration', 'delay', 'ease', 'elemOffset', 'followParallax', 'show', 'type', 'direction', 'leaveChildHide', 'sync', 'ratio', 'mouseMoveType'].forEach(function (key) {
      return delete props[key];
    });
    if (this.show === this.state.show && !this.state.mouseMoveType || this.state.mouseMoveType === 'reChild') {
      if (!this.state.show) {
        this.enterMouse = null;
        return _react2['default'].createElement(_rcTweenOne2['default'], props, bgElem);
      }
      if (this.props.followParallax) {
        props.onMouseMove = this.getFollowMouseMove();
      }
      return _react2['default'].createElement(_rcTweenOne2['default'], props, this.props.mouseMoveType === 'update' ? bgElem : this.getChildren());
    }
    return this.animChildren(props, style, bgElem);
  };

  return Element;
}(_react.Component);

var _initialiseProps = function _initialiseProps() {
  var _this3 = this;

  this.onMouseMove = function (e) {
    _this3.domRect = _this3.dom.getBoundingClientRect();
    _this3.enterMouse = _this3.enterMouse || { x: _this3.domRect.width / 2, y: _this3.domRect.height / 2 };
    _this3.domWH = {
      w: _this3.domRect.width,
      h: _this3.domRect.height
    };
    _this3.offsetTop = _this3.domRect.top + (0, _utils.currentScrollTop)();
    _this3.offsetLeft = _this3.domRect.left + (0, _utils.currentScrollLeft)();
    var mouseXY = {
      x: e.pageX - _this3.offsetLeft,
      y: e.pageY - _this3.offsetTop
    };
    _this3.setTicker(_this3.followParallax, mouseXY);
  };

  this.setTicker = function (followParallax, mouseXY) {
    var callback = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : noop;

    _ticker2['default'].clear(_this3.tickerId);
    _this3.tickerId = 'bannerElementTicker' + (Date.now() + Math.random());
    var startFrame = _ticker2['default'].frame;
    var startX = _this3.enterMouse.x;
    var startY = _this3.enterMouse.y;
    var duration = followParallax.duration || 450;
    var easeFunc = _tweenFunctions2['default'][followParallax.ease || 'easeOutQuad'];
    var start = typeof followParallax.minMove === 'number' ? followParallax.minMove : 0.08;
    _ticker2['default'].wake(_this3.tickerId, function () {
      var moment = (_ticker2['default'].frame - startFrame) * _ticker2['default'].perFrame;
      var ratio = easeFunc(moment, start, 1, duration);
      _this3.enterMouse.x = startX + (mouseXY.x - startX) * ratio;
      _this3.enterMouse.y = startY + (mouseXY.y - startY) * ratio;
      _this3.setFollowStyle(_this3.domWH);
      if (moment >= duration) {
        _ticker2['default'].clear(_this3.tickerId);
        callback();
      }
    });
  };

  this.getFollowMouseMove = function () {
    var onMouseMove = void 0;
    if (_this3.followParallax) {
      if (_this3.followParallax.delay) {
        onMouseMove = !_this3.delayTimeout ? null : _this3.state.onMouseMove;
        _this3.delayTimeout = _this3.delayTimeout || _ticker2['default'].timeout(function () {
          _this3.setState({
            onMouseMove: _this3.onMouseMove
          });
        }, _this3.followParallax.delay);
      } else {
        onMouseMove = _this3.onMouseMove;
      }
    }
    return onMouseMove;
  };

  this.getFollowStyle = function (data, domWH) {
    var style = {};
    (0, _utils.dataToArray)(data.type).forEach(function (type) {
      var mouseData = _this3.enterMouse.x;
      var domData = domWH.w;
      var value = data.value;
      if ((type.indexOf('y') >= 0 || type.indexOf('Y') >= 0) && type !== 'opacity') {
        mouseData = _this3.enterMouse.y;
        domData = domWH.h;
      }
      var d = (mouseData - domData / 2) / (domData / 2) * value;
      var _type = (0, _styleUtils.getGsapType)(type);
      var cssName = (0, _styleUtils.isConvert)(_type);
      if (cssName === 'transform') {
        var transform = (0, _styleUtils.checkStyleName)('transform');
        style[transform] = style[transform] || {};
        style[transform][_type] = (0, _styleUtils.stylesToCss)(_type, d).trim();
      } else if (cssName === 'filter') {
        var filter = (0, _styleUtils.checkStyleName)('filter');
        style[filter] = style[filter] || {};
        style[filter][_type] = (0, _styleUtils.stylesToCss)(_type, d).trim();
      } else {
        style[cssName] = (0, _styleUtils.stylesToCss)(_type, d).trim();
      }
    });
    return style;
  };

  this.setFollowStyle = function (domWH) {
    _this3.doms.forEach(function (item, i) {
      if (!item) {
        return;
      }
      var data = _this3.followParallax.data[i];
      var style = _this3.getFollowStyle(data, domWH);
      Object.keys(style).forEach(function (key) {
        if (typeof style[key] === 'object') {
          var styleStr = '';
          Object.keys(style[key]).forEach(function (_key) {
            styleStr += (' ' + _key + '(' + style[key][_key] + ')').trim();
          });
          item.style[key] = styleStr;
          return;
        }
        item.style[key] = key.indexOf('backgroundPosition') >= 0 ? 'calc(' + (data.bgPosition || '0%') + ' + ' + style[key] + ' )' : style[key];
      });
    });
  };

  this.getChildren = function () {
    return (0, _utils.toArrayChildren)(_this3.props.children).map(function (item) {
      if (item.type === _BgElement2['default']) {
        return _react2['default'].cloneElement(item, { show: _this3.state.show });
      }
      return item;
    });
  };

  this.reFollowParallax = function () {
    _this3.setTicker(_this3.followParallax, {
      x: _this3.domRect.width / 2 - _this3.offsetLeft,
      y: _this3.domRect.height / 2 - _this3.offsetTop
    }, function () {
      _this3.followParallax = null;
    });
  };

  this.animEnd = function () {
    var type = _this3.state.show ? 'enter' : 'leave';
    _this3.props.callBack(type);
    _this3.setState({ show: _this3.props.show, mouseMoveType: null });
  };

  this.animChildren = function (props, style, bgElem) {
    var _props = _this3.props,
        elemOffset = _props.elemOffset,
        leaveChildHide = _props.leaveChildHide,
        ratio = _props.ratio,
        animType = _props.animType,
        direction = _props.direction,
        mouseMoveType = _props.mouseMoveType,
        ease = _props.ease,
        duration = _props.duration,
        delay = _props.delay,
        show = _props.show,
        sync = _props.sync,
        component = _props.component;

    if (_this3.tickerId) {
      _ticker2['default'].clear(_this3.tickerId);
    }
    if (_this3.delayTimeout) {
      _ticker2['default'].clear(_this3.delayTimeout);
      _this3.delayTimeout = null;
    }
    style.display = 'block';

    props.component = component;
    _this3.show = _this3.state.show;
    style.zIndex = _this3.state.show ? 1 : 0;
    props.children = show && !sync ? bgElem : _this3.getChildren();
    var childrenToRender = _react2['default'].createElement(_rcTweenOne2['default'], props);
    var type = _this3.state.show ? 'enter' : 'leave';
    var $ratio = mouseMoveType === 'end' && ratio <= 0.3 ? 1 - ratio : ratio;
    var tag = animType(childrenToRender, type, direction, {
      ease: ease,
      duration: duration,
      delay: delay,
      onComplete: _this3.animEnd
    }, elemOffset, leaveChildHide, $ratio, _this3.state.mouseMoveType === 'update');
    var tagProps = (0, _objectWithoutProperties3['default'])(tag.props, []);

    if (tagProps.animation) {
      tagProps.moment = (tagProps.animation.duration + tagProps.animation.delay) * $ratio || 0;
      tagProps.paused = _this3.state.mouseMoveType === 'update' || $ratio === 1;
    }
    return _react2['default'].cloneElement(tag, tagProps);
  };
};

Element.propTypes = {
  children: _propTypes2['default'].any,
  style: _propTypes2['default'].object,
  prefixCls: _propTypes2['default'].string,
  component: _propTypes2['default'].any,
  elemOffset: _propTypes2['default'].object,
  type: _propTypes2['default'].string,
  animType: _propTypes2['default'].func,
  ease: _propTypes2['default'].string,
  duration: _propTypes2['default'].number,
  delay: _propTypes2['default'].number,
  direction: _propTypes2['default'].string,
  callBack: _propTypes2['default'].func,
  followParallax: _propTypes2['default'].any,
  show: _propTypes2['default'].bool,
  leaveChildHide: _propTypes2['default'].bool,
  sync: _propTypes2['default'].bool,
  ratio: _propTypes2['default'].number,
  mouseMoveType: _propTypes2['default'].string
};
Element.defaultProps = {
  component: 'div',
  callBack: noop,
  delay: 0
};

Element.BgElement = _BgElement2['default'];
Element.isBannerAnimElement = true;
exports['default'] = Element;
module.exports = exports['default'];