react-wavesurfer
Version:
React component wrapper for wavesurfer.js
549 lines (439 loc) • 19.7 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/timeline"] = factory(require("react"), require("wavesurfer.js"));
else
root["Wavesurfer"] = root["Wavesurfer"] || {}, root["Wavesurfer"]["plugins/timeline"] = 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);
var _deepAssign = __webpack_require__(5);
var _deepAssign2 = _interopRequireDefault(_deepAssign);
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__(7);
var Timeline = function (_Component) {
_inherits(Timeline, _Component);
function Timeline(props) {
_classCallCheck(this, Timeline);
var _this = _possibleConstructorReturn(this, Object.getPrototypeOf(Timeline).call(this, props));
_this.timeline = null;
return _this;
}
_createClass(Timeline, [{
key: 'componentDidMount',
value: function componentDidMount() {
if (this.props.isReady) this.init();
this.props.wavesurfer.on('ready', this._init.bind(this));
}
}, {
key: '_init',
value: function _init() {
this.timeline = Object.create(WaveSurfer.Timeline);
this.timeline.init((0, _deepAssign2.default)({}, this.props.options, {
container: this.refs.timeline,
wavesurfer: this.props.wavesurfer
}));
}
}, {
key: 'render',
value: function render() {
return _react2.default.createElement(
'div',
null,
_react2.default.createElement('div', { ref: 'timeline' })
);
}
}]);
return Timeline;
}(_react.Component);
Timeline.propTypes = {
isReady: _react.PropTypes.bool.isRequired,
options: _react.PropTypes.object.isRequired,
wavesurfer: _react.PropTypes.object
};
Timeline.defaultProps = {
isReady: false,
options: {}
};
exports.default = Timeline;
/***/ },
/* 1 */
/***/ function(module, exports) {
module.exports = __WEBPACK_EXTERNAL_MODULE_1__;
/***/ },
/* 2 */,
/* 3 */
/***/ function(module, exports) {
module.exports = __WEBPACK_EXTERNAL_MODULE_3__;
/***/ },
/* 4 */,
/* 5 */
/***/ function(module, exports, __webpack_require__) {
'use strict';
var isObj = __webpack_require__(6);
var hasOwnProperty = Object.prototype.hasOwnProperty;
var propIsEnumerable = Object.prototype.propertyIsEnumerable;
function toObject(val) {
if (val === null || val === undefined) {
throw new TypeError('Sources cannot be null or undefined');
}
return Object(val);
}
function assignKey(to, from, key) {
var val = from[key];
if (val === undefined || val === null) {
return;
}
if (hasOwnProperty.call(to, key)) {
if (to[key] === undefined || to[key] === null) {
throw new TypeError('Cannot convert undefined or null to object (' + key + ')');
}
}
if (!hasOwnProperty.call(to, key) || !isObj(val)) {
to[key] = val;
} else {
to[key] = assign(Object(to[key]), from[key]);
}
}
function assign(to, from) {
if (to === from) {
return to;
}
from = Object(from);
for (var key in from) {
if (hasOwnProperty.call(from, key)) {
assignKey(to, from, key);
}
}
if (Object.getOwnPropertySymbols) {
var symbols = Object.getOwnPropertySymbols(from);
for (var i = 0; i < symbols.length; i++) {
if (propIsEnumerable.call(from, symbols[i])) {
assignKey(to, from, symbols[i]);
}
}
}
return to;
}
module.exports = function deepAssign(target) {
target = toObject(target);
for (var s = 1; s < arguments.length; s++) {
assign(target, arguments[s]);
}
return target;
};
/***/ },
/* 6 */
/***/ function(module, exports) {
'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; };
module.exports = function (x) {
var type = typeof x === 'undefined' ? 'undefined' : _typeof(x);
return x !== null && (type === 'object' || type === 'function');
};
/***/ },
/* 7 */
/***/ 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';
WaveSurfer.Timeline = {
init: function init(params) {
this.params = params;
var wavesurfer = this.wavesurfer = params.wavesurfer;
if (!this.wavesurfer) {
throw Error('No WaveSurfer intance provided');
}
var drawer = this.drawer = this.wavesurfer.drawer;
this.container = 'string' == typeof params.container ? document.querySelector(params.container) : params.container;
if (!this.container) {
throw Error('No container for WaveSurfer timeline');
}
this.width = drawer.width;
this.pixelRatio = this.drawer.params.pixelRatio;
this.maxCanvasWidth = drawer.maxCanvasWidth || this.width;
this.maxCanvasElementWidth = drawer.maxCanvasElementWidth || Math.round(this.maxCanvasWidth / this.pixelRatio);
this.height = this.params.height || 20;
this.notchPercentHeight = this.params.notchPercentHeight || 90;
this.primaryColor = this.params.primaryColor || '#000';
this.secondaryColor = this.params.secondaryColor || '#c0c0c0';
this.primaryFontColor = this.params.primaryFontColor || '#000';
this.secondaryFontColor = this.params.secondaryFontColor || '#000';
this.fontFamily = this.params.fontFamily || 'Arial';
this.fontSize = this.params.fontSize || 10;
this.timeInterval = this.params.timeInterval;
this.primaryLabelInterval = this.params.primaryLabelInterval;
this.secondaryLabelInterval = this.params.secondaryLabelInterval;
this.formatTimeCallback = this.params.formatTimeCallback;
this.canvases = [];
this.createWrapper();
this.render();
drawer.wrapper.addEventListener('scroll', function (e) {
this.updateScroll(e);
}.bind(this));
wavesurfer.on('redraw', this.render.bind(this));
wavesurfer.on('destroy', this.destroy.bind(this));
},
destroy: function destroy() {
this.unAll();
if (this.wrapper && this.wrapper.parentNode) {
this.wrapper.parentNode.removeChild(this.wrapper);
this.wrapper = null;
}
},
createWrapper: function createWrapper() {
var prevTimeline = this.container.querySelector('timeline');
if (prevTimeline) {
this.container.removeChild(prevTimeline);
}
var wsParams = this.wavesurfer.params;
this.wrapper = this.container.appendChild(document.createElement('timeline'));
this.drawer.style(this.wrapper, {
display: 'block',
position: 'relative',
userSelect: 'none',
webkitUserSelect: 'none',
height: this.height + 'px'
});
if (wsParams.fillParent || wsParams.scrollParent) {
this.drawer.style(this.wrapper, {
width: '100%',
overflowX: 'hidden',
overflowY: 'hidden'
});
}
var my = this;
this.wrapper.addEventListener('click', function (e) {
e.preventDefault();
var relX = 'offsetX' in e ? e.offsetX : e.layerX;
my.fireEvent('click', relX / my.wrapper.scrollWidth || 0);
});
},
removeOldCanvases: function removeOldCanvases() {
while (this.canvases.length > 0) {
var canvas = this.canvases.pop();
canvas.parentElement.removeChild(canvas);
}
},
createCanvases: function createCanvases() {
this.removeOldCanvases();
var totalWidth = Math.round(this.drawer.wrapper.scrollWidth),
requiredCanvases = Math.ceil(totalWidth / this.maxCanvasElementWidth),
canvas;
for (var i = 0; i < requiredCanvases; i++) {
canvas = this.wrapper.appendChild(document.createElement('canvas'));
this.canvases.push(canvas);
this.drawer.style(canvas, {
position: 'absolute',
zIndex: 4
});
}
},
render: function render() {
this.createCanvases();
this.updateCanvasStyle();
this.drawTimeCanvases();
},
updateCanvasStyle: function updateCanvasStyle() {
var requiredCanvases = this.canvases.length;
for (var i = 0; i < requiredCanvases; i++) {
var canvas = this.canvases[i],
canvasWidth = this.maxCanvasElementWidth;
if (i === requiredCanvases - 1) {
canvasWidth = this.drawer.wrapper.scrollWidth - this.maxCanvasElementWidth * (requiredCanvases - 1);
}
canvas.width = canvasWidth * this.pixelRatio;
canvas.height = this.height * this.pixelRatio;
canvas.style.width = canvasWidth + 'px';
canvas.style.height = this.height + 'px';
canvas.style.left = i * this.maxCanvasElementWidth + 'px';
}
},
drawTimeCanvases: function drawTimeCanvases() {
var backend = this.wavesurfer.backend,
wsParams = this.wavesurfer.params,
duration = backend.getDuration(),
self = this;
if (wsParams.fillParent && !wsParams.scrollParent) {
var width = this.drawer.getWidth();
} else {
width = this.drawer.wrapper.scrollWidth * wsParams.pixelRatio;
}
var pixelsPerSecond = width / duration;
if (duration <= 0) {
return;
}
var curPixel = 0,
curSeconds = 0,
totalSeconds = parseInt(duration, 10) + 1,
formatTime = function formatTime(seconds) {
if (typeof self.formatTimeCallback === 'function') {
return self.formatTimeCallback(seconds);
}
if (seconds / 60 > 1) {
var minutes = parseInt(seconds / 60),
seconds = parseInt(seconds % 60);
seconds = seconds < 10 ? '0' + seconds : seconds;
return '' + minutes + ':' + seconds;
} else {
return seconds;
}
};
if (pixelsPerSecond * 1 >= 25) {
var timeInterval = 1;
var primaryLabelInterval = 10;
var secondaryLabelInterval = 5;
} else if (pixelsPerSecond * 5 >= 25) {
var timeInterval = 5;
var primaryLabelInterval = 6;
var secondaryLabelInterval = 2;
} else if (pixelsPerSecond * 15 >= 25) {
var timeInterval = 15;
var primaryLabelInterval = 4;
var secondaryLabelInterval = 2;
} else {
var timeInterval = 60;
var primaryLabelInterval = 4;
var secondaryLabelInterval = 2;
}
timeInterval = this.timeInterval || timeInterval;
primaryLabelInterval = this.primaryLabelInterval || primaryLabelInterval;
secondaryLabelInterval = this.secondaryLabelInterval || secondaryLabelInterval;
var height1 = this.height - 4,
height2 = this.height * (this.notchPercentHeight / 100.0) - 4,
fontSize = this.fontSize * wsParams.pixelRatio;
for (var i = 0; i < totalSeconds / timeInterval; i++) {
if (i % primaryLabelInterval == 0) {
this.setFillStyles(this.primaryColor);
this.fillRect(curPixel, 0, 1, height1);
this.setFonts(fontSize + 'px ' + this.fontFamily);
this.setFillStyles(this.primaryFontColor);
this.fillText(formatTime(curSeconds), curPixel + 5, height1);
} else if (i % secondaryLabelInterval == 0) {
this.setFillStyles(this.secondaryColor);
this.fillRect(curPixel, 0, 1, height1);
this.setFonts(fontSize + 'px ' + this.fontFamily);
this.setFillStyles(this.secondaryFontColor);
this.fillText(formatTime(curSeconds), curPixel + 5, height1);
} else {
this.setFillStyles(this.secondaryColor);
this.fillRect(curPixel, 0, 1, height2);
}
curSeconds += timeInterval;
curPixel += pixelsPerSecond * timeInterval;
}
},
setFillStyles: function setFillStyles(fillStyle) {
for (var i in this.canvases) {
this.canvases[i].getContext('2d').fillStyle = fillStyle;
}
},
setFonts: function setFonts(font) {
for (var i in this.canvases) {
this.canvases[i].getContext('2d').font = font;
}
},
fillRect: function fillRect(x, y, width, height) {
for (var i in this.canvases) {
var canvas = this.canvases[i],
leftOffset = i * this.maxCanvasWidth;
var intersection = {
x1: Math.max(x, i * this.maxCanvasWidth),
y1: y,
x2: Math.min(x + width, i * this.maxCanvasWidth + canvas.width),
y2: y + height
};
if (intersection.x1 < intersection.x2) {
canvas.getContext('2d').fillRect(intersection.x1 - leftOffset, intersection.y1, intersection.x2 - intersection.x1, intersection.y2 - intersection.y1);
}
}
},
fillText: function fillText(text, x, y) {
var textWidth,
xOffset = 0;
for (var i in this.canvases) {
var context = this.canvases[i].getContext('2d'),
canvasWidth = context.canvas.width;
if (xOffset > x + textWidth) {
break;
}
if (xOffset + canvasWidth > x) {
textWidth = context.measureText(text).width;
context.fillText(text, x - xOffset, y);
}
xOffset += canvasWidth;
}
},
updateScroll: function updateScroll() {
this.wrapper.scrollLeft = this.drawer.wrapper.scrollLeft;
}
};
WaveSurfer.util.extend(WaveSurfer.Timeline, WaveSurfer.Observer);
});
/***/ }
/******/ ])
});
;