react-wavesurfer
Version:
React component wrapper for wavesurfer.js
383 lines (316 loc) • 14.8 kB
JavaScript
(function webpackUniversalModuleDefinition(root, factory) {
if(typeof exports === 'object' && typeof module === 'object')
module.exports = factory(require("react"), require("wavesurfer.js"));
else if(typeof define === 'function' && define.amd)
define(["react", "wavesurfer"], factory);
else if(typeof exports === 'object')
exports["plugins/minimap"] = factory(require("react"), require("wavesurfer.js"));
else
root["Wavesurfer"] = root["Wavesurfer"] || {}, root["Wavesurfer"]["plugins/minimap"] = factory(root["React"], root["WaveSurfer"]);
})(this, function(__WEBPACK_EXTERNAL_MODULE_1__, __WEBPACK_EXTERNAL_MODULE_3__) {
return /******/ (function(modules) { // webpackBootstrap
/******/ // The module cache
/******/ var installedModules = {};
/******/ // The require function
/******/ function __webpack_require__(moduleId) {
/******/ // Check if module is in cache
/******/ if(installedModules[moduleId])
/******/ return installedModules[moduleId].exports;
/******/ // Create a new module (and put it into the cache)
/******/ var module = installedModules[moduleId] = {
/******/ exports: {},
/******/ id: moduleId,
/******/ loaded: false
/******/ };
/******/ // Execute the module function
/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
/******/ // Flag the module as loaded
/******/ module.loaded = true;
/******/ // Return the exports of the module
/******/ return module.exports;
/******/ }
/******/ // expose the modules object (__webpack_modules__)
/******/ __webpack_require__.m = modules;
/******/ // expose the module cache
/******/ __webpack_require__.c = installedModules;
/******/ // __webpack_public_path__
/******/ __webpack_require__.p = "";
/******/ // Load entry module and return exports
/******/ return __webpack_require__(0);
/******/ })
/************************************************************************/
/******/ ([
/* 0 */
/***/ function(module, exports, __webpack_require__) {
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
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; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
var _react = __webpack_require__(1);
var _react2 = _interopRequireDefault(_react);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _possibleConstructorReturn(self, call) { if (!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) { if (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 } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
__webpack_require__(2);
var Minimap = function (_Component) {
_inherits(Minimap, _Component);
function Minimap() {
_classCallCheck(this, Minimap);
return _possibleConstructorReturn(this, Object.getPrototypeOf(Minimap).apply(this, arguments));
}
_createClass(Minimap, [{
key: 'componentDidMount',
value: function componentDidMount() {
this._init = this._init.bind(this);
this._map = undefined;
if (this.props.isReady) this._init();
this.props.wavesurfer.on('ready', this._init);
}
}, {
key: '_init',
value: function _init() {
this._map = this.props.wavesurfer.initMinimap(this.props.options);
this._map.render();
}
}, {
key: 'render',
value: function render() {
return _react2.default.createElement('div', null);
}
}]);
return Minimap;
}(_react.Component);
Minimap.propTypes = {
isReady: _react.PropTypes.bool.isRequired,
options: _react.PropTypes.object.isRequired,
wavesurfer: _react.PropTypes.object
};
Minimap.defaultProps = {
isReady: false,
options: {}
};
exports.default = Minimap;
/***/ },
/* 1 */
/***/ function(module, exports) {
module.exports = __WEBPACK_EXTERNAL_MODULE_1__;
/***/ },
/* 2 */
/***/ function(module, exports, __webpack_require__) {
/*** IMPORTS FROM imports-loader ***/
var define = false;
var exports = false;
'use strict';
var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol ? "symbol" : typeof obj; };
(function (root, factory) {
if (typeof define === 'function' && define.amd) {
// AMD. Register as an anonymous module unless amdModuleId is set
define(["./../wavesurfer"], function (a0) {
return factory(a0);
});
} else if ((typeof exports === 'undefined' ? 'undefined' : _typeof(exports)) === 'object') {
// Node. Does not work with strict CommonJS, but
// only CommonJS-like environments that support module.exports,
// like Node.
module.exports = factory(__webpack_require__(3));
} else {
factory(WaveSurfer);
}
})(undefined, function (WaveSurfer) {
'use strict';
/* Minimap */
WaveSurfer.Minimap = WaveSurfer.util.extend({}, WaveSurfer.Drawer, WaveSurfer.Drawer.Canvas, {
init: function init(wavesurfer, params) {
this.wavesurfer = wavesurfer;
this.container = this.wavesurfer.drawer.container;
this.lastPos = this.wavesurfer.drawer.lastPos;
this.params = wavesurfer.util.extend({}, this.wavesurfer.drawer.params, {
showRegions: false,
showOverview: false,
overviewBorderColor: 'green',
overviewBorderSize: 2
}, params, {
scrollParent: false,
fillParent: true
});
this.width = 0;
this.height = this.params.height * this.params.pixelRatio;
this.createWrapper();
this.createElements();
if (WaveSurfer.Regions && this.params.showRegions) {
this.regions();
}
this.bindWaveSurferEvents();
this.bindMinimapEvents();
},
regions: function regions() {
var my = this;
this.regions = {};
this.wavesurfer.on('region-created', function (region) {
my.regions[region.id] = region;
my.renderRegions();
});
this.wavesurfer.on('region-updated', function (region) {
my.regions[region.id] = region;
my.renderRegions();
});
this.wavesurfer.on('region-removed', function (region) {
delete my.regions[region.id];
my.renderRegions();
});
},
renderRegions: function renderRegions() {
var my = this;
var regionElements = this.wrapper.querySelectorAll('region');
for (var i = 0; i < regionElements.length; ++i) {
this.wrapper.removeChild(regionElements[i]);
}
Object.keys(this.regions).forEach(function (id) {
var region = my.regions[id];
var width = my.width * ((region.end - region.start) / my.wavesurfer.getDuration());
var left = my.width * (region.start / my.wavesurfer.getDuration());
var regionElement = my.style(document.createElement('region'), {
height: 'inherit',
backgroundColor: region.color,
width: width + 'px',
left: left + 'px',
display: 'block',
position: 'absolute'
});
regionElement.classList.add(id);
my.wrapper.appendChild(regionElement);
});
},
createElements: function createElements() {
WaveSurfer.Drawer.Canvas.createElements.call(this);
if (this.params.showOverview) {
this.overviewRegion = this.style(document.createElement('overview'), {
height: this.wrapper.offsetHeight - this.params.overviewBorderSize * 2 + 'px',
width: '0px',
display: 'block',
position: 'absolute',
cursor: 'move',
border: this.params.overviewBorderSize + 'px solid ' + this.params.overviewBorderColor,
zIndex: 2,
opacity: this.params.overviewOpacity
});
this.wrapper.appendChild(this.overviewRegion);
}
},
bindWaveSurferEvents: function bindWaveSurferEvents() {
var my = this;
this.wavesurfer.on('ready', this.render.bind(this));
this.wavesurfer.on('audioprocess', function (currentTime) {
my.progress(my.wavesurfer.backend.getPlayedPercents());
});
this.wavesurfer.on('seek', function (progress) {
my.progress(my.wavesurfer.backend.getPlayedPercents());
});
if (this.params.showOverview) {
this.wavesurfer.on('scroll', function (event) {
if (!my.draggingOverview) {
my.moveOverviewRegion(event.target.scrollLeft / my.ratio);
}
});
this.wavesurfer.drawer.wrapper.addEventListener('mouseover', function (event) {
if (my.draggingOverview) {
my.draggingOverview = false;
}
});
}
var prevWidth = 0;
var onResize = function onResize() {
if (prevWidth != my.wrapper.clientWidth) {
prevWidth = my.wrapper.clientWidth;
my.render();
my.progress(my.wavesurfer.backend.getPlayedPercents());
}
};
window.addEventListener('resize', onResize, true);
this.wavesurfer.on('destroy', function () {
my.destroy.bind(this);
window.removeEventListener('resize', onResize, true);
});
},
bindMinimapEvents: function bindMinimapEvents() {
var my = this;
var relativePositionX = 0;
var seek = true;
var positionMouseDown = {
clientX: 0,
clientY: 0
};
this.on('click', function (e, position) {
if (seek) {
this.progress(position);
this.wavesurfer.seekAndCenter(position);
} else {
seek = true;
}
}.bind(this));
if (this.params.showOverview) {
this.overviewRegion.addEventListener('mousedown', function (event) {
my.draggingOverview = true;
relativePositionX = event.layerX;
positionMouseDown.clientX = event.clientX;
positionMouseDown.clientY = event.clientY;
});
this.wrapper.addEventListener('mousemove', function (event) {
if (my.draggingOverview) {
my.moveOverviewRegion(event.clientX - my.container.getBoundingClientRect().left - relativePositionX);
}
});
this.wrapper.addEventListener('mouseup', function (event) {
if (positionMouseDown.clientX - event.clientX === 0 && positionMouseDown.clientX - event.clientX === 0) {
seek = true;
my.draggingOverview = false;
} else if (my.draggingOverview) {
seek = false;
my.draggingOverview = false;
}
});
}
},
render: function render() {
var len = this.getWidth();
var peaks = this.wavesurfer.backend.getPeaks(len);
this.drawPeaks(peaks, len);
if (this.params.showOverview) {
//get proportional width of overview region considering the respective
//width of the drawers
this.ratio = this.wavesurfer.drawer.width / this.width;
this.waveShowedWidth = this.wavesurfer.drawer.width / this.ratio;
this.waveWidth = this.wavesurfer.drawer.width;
this.overviewWidth = this.width / this.ratio;
this.overviewPosition = 0;
this.overviewRegion.style.width = this.overviewWidth - this.params.overviewBorderSize * 2 + 'px';
}
},
moveOverviewRegion: function moveOverviewRegion(pixels) {
if (pixels < 0) {
this.overviewPosition = 0;
} else if (pixels + this.overviewWidth < this.width) {
this.overviewPosition = pixels;
} else {
this.overviewPosition = this.width - this.overviewWidth;
}
this.overviewRegion.style.left = this.overviewPosition + 'px';
this.wavesurfer.drawer.wrapper.scrollLeft = this.overviewPosition * this.ratio;
}
});
WaveSurfer.initMinimap = function (params) {
var map = Object.create(WaveSurfer.Minimap);
map.init(this, params);
return map;
};
});
/***/ },
/* 3 */
/***/ function(module, exports) {
module.exports = __WEBPACK_EXTERNAL_MODULE_3__;
/***/ }
/******/ ])
});
;