apeman-react-mixins/lib/ap_touch_mixin.js

React mixin set of apeman.

/**
 * Mixin to add touch handlers.
 * @mixin ApTouchMixin
 */

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _ApTouchMixin;

var _react = require('react');

var _react2 = _interopRequireDefault(_react);

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

var _reactDom2 = _interopRequireDefault(_reactDom);

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

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; }

var TOUCH_HAMMER_KEY = '_apTouchHammer';

function createTouchHammer(node, props, getData) {
  if (!node) {
    return;
  }
  var Hammer = require('hammerjs');
  var hammer = new Hammer(node);
  if (props.touchOptions) {
    hammer.set(props.touchOptions);
  }
  Object.keys(ApTouchMixin.propTypes).filter(function (key) {
    return !!props[key];
  }).forEach(function (key) {
    if (/^on/.test(key)) {
      (function () {
        var event = key.replace(/^on/, '').toLowerCase();
        var handler = props[key];
        hammer.on(event, function (e) {
          e.data = getData(); // Set touching data.
          handler(e);
        });
      })();
    }
    if (/Direction$/.test(key)) {
      var gesture = key.replace(/Direction$/, '');
      hammer.get(gesture).set({ direction: Hammer['DIRECTION_' + props[key]] });
    }
    if (/Threshold$/.test(key)) {
      var threshold = key.replace(/Threshold$/, '');
      hammer.get(threshold).set({ threshold: props[key] });
    }
  });
  return hammer;
}

function destroyTouchHammer(hammer) {
  if (!hammer) {
    return;
  }
  hammer.stop();
  hammer.destroy();
}

function supportsTouch(props) {
  var touchableKey = Object.keys(ApTouchMixin.propTypes);
  var _iteratorNormalCompletion = true;
  var _didIteratorError = false;
  var _iteratorError = undefined;

  try {
    for (var _iterator = Object.keys(props)[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
      var key = _step.value;

      var hit = !! ~touchableKey.indexOf(key);
      if (hit) {
        return true;
      }
    }
  } catch (err) {
    _didIteratorError = true;
    _iteratorError = err;
  } finally {
    try {
      if (!_iteratorNormalCompletion && _iterator.return) {
        _iterator.return();
      }
    } finally {
      if (_didIteratorError) {
        throw _iteratorError;
      }
    }
  }

  return false;
}

/** Enum for touching */
var touchEnums = {
  directions: ['NONE', 'LEFT', 'RIGHT', 'UP', 'DOWN', 'HORIZONTAL', 'VERTICAL', 'ALL']
};

/** @lends ApTouchMixin */
var ApTouchMixin = (_ApTouchMixin = {}, _defineProperty(_ApTouchMixin, TOUCH_HAMMER_KEY, null), _defineProperty(_ApTouchMixin, 'propTypes', {
  onTap: _react.PropTypes.func,
  onDoubleTap: _react.PropTypes.func,
  onPan: _react.PropTypes.func,
  onPanStart: _react.PropTypes.func,
  onPanMove: _react.PropTypes.func,
  onPanEnd: _react.PropTypes.func,
  onPanCancel: _react.PropTypes.func,
  onSwipe: _react.PropTypes.func,
  onPress: _react.PropTypes.func,
  onPressUp: _react.PropTypes.func,
  onPinch: _react.PropTypes.func,
  onPinchStart: _react.PropTypes.func,
  onPinchMove: _react.PropTypes.func,
  onPinchEnd: _react.PropTypes.func,
  onPinchCancel: _react.PropTypes.func,
  onRotate: _react.PropTypes.func,
  onRotateStart: _react.PropTypes.func,
  onRotateMove: _react.PropTypes.func,
  onRotateEnd: _react.PropTypes.func,
  onRotateCancel: _react.PropTypes.func,
  touchOptions: _react.PropTypes.object,
  panThreshold: _react.PropTypes.number,
  panDirection: _react.PropTypes.oneOf(touchEnums.directions),
  swipeDirection: _react.PropTypes.oneOf(touchEnums.directions)
}), _defineProperty(_ApTouchMixin, 'statics', {}), _defineProperty(_ApTouchMixin, 'componentWillMount', function componentWillMount() {
  var s = this;
  s.getTouchData = s.getTouchData || function () {
    return undefined;
  };
}), _defineProperty(_ApTouchMixin, 'componentDidMount', function componentDidMount() {
  var s = this;
  var touchable = supportsTouch(s.props);
  var getData = function getData() {
    return s.getTouchData();
  };
  if (touchable) {
    s[TOUCH_HAMMER_KEY] = createTouchHammer(_reactDom2.default.findDOMNode(s), s.props, getData);
  }
}), _defineProperty(_ApTouchMixin, 'componentWillUnmount', function componentWillUnmount() {
  var s = this;
  var hammer = s[TOUCH_HAMMER_KEY];
  if (hammer) {
    destroyTouchHammer(hammer);
  }
  delete s[TOUCH_HAMMER_KEY];
}), _ApTouchMixin);

exports.default = Object.freeze(ApTouchMixin);
//# sourceMappingURL=data:application/json;base64,{"version":3,"sources":["ap_touch_mixin.jsx"],"names":[],"mappings":";;;;;AAKA;;;;;;;;AAEA;;;;AACA;;;;;;;;AAEA,IAAM,mBAAmB,gBAAzB;;AAEA,SAAS,iBAAT,CAA4B,IAA5B,EAAkC,KAAlC,EAAyC,OAAzC,EAAkD;AAChD,MAAI,CAAC,IAAL,EAAW;AACT;AACD;AACD,MAAI,SAAS,QAAQ,UAAR,CAAb;AACA,MAAI,SAAS,IAAI,MAAJ,CAAW,IAAX,CAAb;AACA,MAAI,MAAM,YAAV,EAAwB;AACtB,WAAO,GAAP,CAAW,MAAM,YAAjB;AACD;AACD,SAAO,IAAP,CAAY,aAAa,SAAzB,EACG,MADH,CACU,UAAC,GAAD;AAAA,WAAS,CAAC,CAAC,MAAO,GAAP,CAAX;AAAA,GADV,EAEG,OAFH,CAEW,UAAC,GAAD,EAAS;AAChB,QAAI,MAAM,IAAN,CAAW,GAAX,CAAJ,EAAqB;AAAA;AACnB,YAAI,QAAQ,IAAI,OAAJ,CAAY,KAAZ,EAAmB,EAAnB,EAAuB,WAAvB,EAAZ;AACA,YAAI,UAAU,MAAO,GAAP,CAAd;AACA,eAAO,EAAP,CAAU,KAAV,EAAiB,UAAC,CAAD,EAAO;AACtB,YAAE,IAAF,GAAS,SAAT,C;AACA,kBAAQ,CAAR;AACD,SAHD;AAHmB;AAOpB;AACD,QAAI,aAAa,IAAb,CAAkB,GAAlB,CAAJ,EAA4B;AAC1B,UAAI,UAAU,IAAI,OAAJ,CAAY,YAAZ,EAA0B,EAA1B,CAAd;AACA,aAAO,GAAP,CAAW,OAAX,EAAoB,GAApB,CAAwB,EAAE,WAAW,OAAQ,eAAe,MAAO,GAAP,CAAvB,CAAb,EAAxB;AACD;AACD,QAAI,aAAa,IAAb,CAAkB,GAAlB,CAAJ,EAA4B;AAC1B,UAAI,YAAY,IAAI,OAAJ,CAAY,YAAZ,EAA0B,EAA1B,CAAhB;AACA,aAAO,GAAP,CAAW,SAAX,EAAsB,GAAtB,CAA0B,EAAE,WAAW,MAAO,GAAP,CAAb,EAA1B;AACD;AACF,GAnBH;AAoBA,SAAO,MAAP;AACD;;AAED,SAAS,kBAAT,CAA6B,MAA7B,EAAqC;AACnC,MAAI,CAAC,MAAL,EAAa;AACX;AACD;AACD,SAAO,IAAP;AACA,SAAO,OAAP;AACD;;AAED,SAAS,aAAT,CAAwB,KAAxB,EAA+B;AAC7B,MAAI,eAAe,OAAO,IAAP,CAAY,aAAa,SAAzB,CAAnB;AAD6B;AAAA;AAAA;;AAAA;AAE7B,yBAAgB,OAAO,IAAP,CAAY,KAAZ,CAAhB,8HAAoC;AAAA,UAA3B,GAA2B;;AAClC,UAAI,MAAM,CAAC,EAAC,CAAC,aAAa,OAAb,CAAqB,GAArB,CAAb;AACA,UAAI,GAAJ,EAAS;AACP,eAAO,IAAP;AACD;AACF;AAP4B;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;;AAQ7B,SAAO,KAAP;AACD;;;AAGD,IAAM,aAAa;AACjB,cAAY,CACV,MADU,EAEV,MAFU,EAGV,OAHU,EAIV,IAJU,EAKV,MALU,EAMV,YANU,EAOV,UAPU,EAQV,KARU;AADK,CAAnB;;;AAcA,IAAI,mEAMD,gBANC,EAMkB,IANlB,+CAYS;AACT,SAAO,iBAAM,IADJ;AAET,eAAa,iBAAM,IAFV;AAGT,SAAO,iBAAM,IAHJ;AAIT,cAAY,iBAAM,IAJT;AAKT,aAAW,iBAAM,IALR;AAMT,YAAU,iBAAM,IANP;AAOT,eAAa,iBAAM,IAPV;AAQT,WAAS,iBAAM,IARN;AAST,WAAS,iBAAM,IATN;AAUT,aAAW,iBAAM,IAVR;AAWT,WAAS,iBAAM,IAXN;AAYT,gBAAc,iBAAM,IAZX;AAaT,eAAa,iBAAM,IAbV;AAcT,cAAY,iBAAM,IAdT;AAeT,iBAAe,iBAAM,IAfZ;AAgBT,YAAU,iBAAM,IAhBP;AAiBT,iBAAe,iBAAM,IAjBZ;AAkBT,gBAAc,iBAAM,IAlBX;AAmBT,eAAa,iBAAM,IAnBV;AAoBT,kBAAgB,iBAAM,IApBb;AAqBT,gBAAc,iBAAM,MArBX;AAsBT,gBAAc,iBAAM,MAtBX;AAuBT,gBAAc,iBAAM,KAAN,CAAY,WAAW,UAAvB,CAvBL;AAwBT,kBAAgB,iBAAM,KAAN,CAAY,WAAW,UAAvB;AAxBP,CAZT,6CAuCO,EAvCP,sFA6CoB;AACpB,MAAM,IAAI,IAAV;AACA,IAAE,YAAF,GAAiB,EAAE,YAAF,IAAmB;AAAA,WAAM,SAAN;AAAA,GAApC;AACD,CAhDC,oFAkDmB;AACnB,MAAM,IAAI,IAAV;AACA,MAAI,YAAY,cAAc,EAAE,KAAhB,CAAhB;AACA,MAAI,UAAU,SAAV,OAAU;AAAA,WAAM,EAAE,YAAF,EAAN;AAAA,GAAd;AACA,MAAI,SAAJ,EAAe;AACb,MAAG,gBAAH,IAAwB,kBAAkB,mBAAS,WAAT,CAAqB,CAArB,CAAlB,EAA2C,EAAE,KAA7C,EAAoD,OAApD,CAAxB;AACD;AACF,CAzDC,0FA2DsB;AACtB,MAAM,IAAI,IAAV;AACA,MAAI,SAAS,EAAG,gBAAH,CAAb;AACA,MAAI,MAAJ,EAAY;AACV,uBAAmB,MAAnB;AACD;AACD,SAAO,EAAG,gBAAH,CAAP;AACD,CAlEC,iBAAJ;;kBAqEe,OAAO,MAAP,CAAc,YAAd,C","file":"ap_touch_mixin.js","sourceRoot":"/Users/okunishinishi/Projects/apeman-projects/apeman-react-mixins/lib","sourcesContent":["/**\n * Mixin to add touch handlers.\n * @mixin ApTouchMixin\n */\n\n'use strict'\n\nimport React, {PropTypes as types} from 'react'\nimport ReactDOM from 'react-dom'\n\nconst TOUCH_HAMMER_KEY = '_apTouchHammer'\n\nfunction createTouchHammer (node, props, getData) {\n  if (!node) {\n    return\n  }\n  let Hammer = require('hammerjs')\n  let hammer = new Hammer(node)\n  if (props.touchOptions) {\n    hammer.set(props.touchOptions)\n  }\n  Object.keys(ApTouchMixin.propTypes)\n    .filter((key) => !!props[ key ])\n    .forEach((key) => {\n      if (/^on/.test(key)) {\n        let event = key.replace(/^on/, '').toLowerCase()\n        let handler = props[ key ]\n        hammer.on(event, (e) => {\n          e.data = getData() // Set touching data.\n          handler(e)\n        })\n      }\n      if (/Direction$/.test(key)) {\n        let gesture = key.replace(/Direction$/, '')\n        hammer.get(gesture).set({ direction: Hammer[ 'DIRECTION_' + props[ key ] ] })\n      }\n      if (/Threshold$/.test(key)) {\n        let threshold = key.replace(/Threshold$/, '')\n        hammer.get(threshold).set({ threshold: props[ key ] })\n      }\n    })\n  return hammer\n}\n\nfunction destroyTouchHammer (hammer) {\n  if (!hammer) {\n    return\n  }\n  hammer.stop()\n  hammer.destroy()\n}\n\nfunction supportsTouch (props) {\n  let touchableKey = Object.keys(ApTouchMixin.propTypes)\n  for (let key of Object.keys(props)) {\n    let hit = !!~touchableKey.indexOf(key)\n    if (hit) {\n      return true\n    }\n  }\n  return false\n}\n\n/** Enum for touching */\nconst touchEnums = {\n  directions: [\n    'NONE',\n    'LEFT',\n    'RIGHT',\n    'UP',\n    'DOWN',\n    'HORIZONTAL',\n    'VERTICAL',\n    'ALL'\n  ]\n}\n\n/** @lends ApTouchMixin */\nlet ApTouchMixin = {\n\n  // --------------------\n  // Custom\n  // --------------------\n\n  [TOUCH_HAMMER_KEY]: null,\n\n  // --------------------\n  // Specs\n  // --------------------\n\n  propTypes: {\n    onTap: types.func,\n    onDoubleTap: types.func,\n    onPan: types.func,\n    onPanStart: types.func,\n    onPanMove: types.func,\n    onPanEnd: types.func,\n    onPanCancel: types.func,\n    onSwipe: types.func,\n    onPress: types.func,\n    onPressUp: types.func,\n    onPinch: types.func,\n    onPinchStart: types.func,\n    onPinchMove: types.func,\n    onPinchEnd: types.func,\n    onPinchCancel: types.func,\n    onRotate: types.func,\n    onRotateStart: types.func,\n    onRotateMove: types.func,\n    onRotateEnd: types.func,\n    onRotateCancel: types.func,\n    touchOptions: types.object,\n    panThreshold: types.number,\n    panDirection: types.oneOf(touchEnums.directions),\n    swipeDirection: types.oneOf(touchEnums.directions)\n  },\n\n  statics: {},\n\n  // --------------------\n  // Lifecycle\n  // --------------------\n\n  componentWillMount () {\n    const s = this\n    s.getTouchData = s.getTouchData || (() => undefined)\n  },\n\n  componentDidMount () {\n    const s = this\n    let touchable = supportsTouch(s.props)\n    let getData = () => s.getTouchData()\n    if (touchable) {\n      s[ TOUCH_HAMMER_KEY ] = createTouchHammer(ReactDOM.findDOMNode(s), s.props, getData)\n    }\n  },\n\n  componentWillUnmount () {\n    const s = this\n    let hammer = s[ TOUCH_HAMMER_KEY ]\n    if (hammer) {\n      destroyTouchHammer(hammer)\n    }\n    delete s[ TOUCH_HAMMER_KEY ]\n  }\n}\n\nexport default Object.freeze(ApTouchMixin)\n"]}