wavesurfer.js
Version:
Interactive navigable audio visualization using Web Audio and Canvas
181 lines (173 loc) • 7.24 kB
JavaScript
/*!
* wavesurfer.js mediasession plugin 6.6.3 (2023-04-04)
* https://wavesurfer-js.org
* @license BSD-3-Clause
*/
(function webpackUniversalModuleDefinition(root, factory) {
if(typeof exports === 'object' && typeof module === 'object')
module.exports = factory();
else if(typeof define === 'function' && define.amd)
define("WaveSurfer", [], factory);
else if(typeof exports === 'object')
exports["WaveSurfer"] = factory();
else
root["WaveSurfer"] = root["WaveSurfer"] || {}, root["WaveSurfer"]["mediasession"] = factory();
})(self, () => {
return /******/ (() => { // webpackBootstrap
/******/ "use strict";
/******/ var __webpack_modules__ = ({
/***/ "./src/plugin/mediasession/index.js":
/*!******************************************!*\
!*** ./src/plugin/mediasession/index.js ***!
\******************************************/
/***/ ((module, exports) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports["default"] = void 0;
function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a 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, _toPropertyKey(descriptor.key), descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }
function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return _typeof(key) === "symbol" ? key : String(key); }
function _toPrimitive(input, hint) { if (_typeof(input) !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (_typeof(res) !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); }
/**
* @typedef {Object} MediaSessionPluginParams
* @property {MediaMetadata} metadata A MediaMetadata object: a representation
* of the metadata associated with a MediaSession that can be used by user agents
* to provide a customized user interface.
* @property {?boolean} deferInit Set to true to manually call
* `initPlugin('mediasession')`
*/
/**
* Visualize MediaSession information for a wavesurfer instance.
*
* @implements {PluginClass}
* @extends {Observer}
* @example
* // es6
* import MediaSessionPlugin from 'wavesurfer.mediasession.js';
*
* // commonjs
* var MediaSessionPlugin = require('wavesurfer.mediasession.js');
*
* // if you are using <script> tags
* var MediaSessionPlugin = window.WaveSurfer.mediasession;
*
* // ... initialising wavesurfer with the plugin
* var wavesurfer = WaveSurfer.create({
* // wavesurfer options ...
* plugins: [
* MediaSessionPlugin.create({
* // plugin options ...
* })
* ]
* });
*/
var MediaSessionPlugin = /*#__PURE__*/function () {
function MediaSessionPlugin(params, ws) {
var _this = this;
_classCallCheck(this, MediaSessionPlugin);
this.params = params;
this.wavesurfer = ws;
if ('mediaSession' in navigator) {
// update metadata
this.metadata = this.params.metadata;
this.update();
// update metadata when playback starts
this.wavesurfer.on('play', function () {
_this.update();
});
// set playback action handlers
navigator.mediaSession.setActionHandler('play', function () {
_this.wavesurfer.play();
});
navigator.mediaSession.setActionHandler('pause', function () {
_this.wavesurfer.playPause();
});
navigator.mediaSession.setActionHandler('seekbackward', function () {
_this.wavesurfer.skipBackward();
});
navigator.mediaSession.setActionHandler('seekforward', function () {
_this.wavesurfer.skipForward();
});
}
}
_createClass(MediaSessionPlugin, [{
key: "init",
value: function init() {}
}, {
key: "destroy",
value: function destroy() {}
}, {
key: "update",
value: function update() {
if ((typeof MediaMetadata === "undefined" ? "undefined" : _typeof(MediaMetadata)) === (typeof Function === "undefined" ? "undefined" : _typeof(Function))) {
// set metadata
navigator.mediaSession.metadata = new MediaMetadata(this.metadata);
}
}
}], [{
key: "create",
value:
/**
* MediaSession plugin definition factory
*
* This function must be used to create a plugin definition which can be
* used by wavesurfer to correctly instantiate the plugin.
*
* @param {MediaSessionPluginParams} params parameters use to initialise the plugin
* @return {PluginDefinition} an object representing the plugin
*/
function create(params) {
return {
name: 'mediasession',
deferInit: params && params.deferInit ? params.deferInit : false,
params: params,
instance: MediaSessionPlugin
};
}
}]);
return MediaSessionPlugin;
}();
exports["default"] = MediaSessionPlugin;
module.exports = exports.default;
/***/ })
/******/ });
/************************************************************************/
/******/ // The module cache
/******/ var __webpack_module_cache__ = {};
/******/
/******/ // The require function
/******/ function __webpack_require__(moduleId) {
/******/ // Check if module is in cache
/******/ var cachedModule = __webpack_module_cache__[moduleId];
/******/ if (cachedModule !== undefined) {
/******/ return cachedModule.exports;
/******/ }
/******/ // Create a new module (and put it into the cache)
/******/ var module = __webpack_module_cache__[moduleId] = {
/******/ // no module.id needed
/******/ // no module.loaded needed
/******/ exports: {}
/******/ };
/******/
/******/ // Execute the module function
/******/ __webpack_modules__[moduleId](module, module.exports, __webpack_require__);
/******/
/******/ // Return the exports of the module
/******/ return module.exports;
/******/ }
/******/
/************************************************************************/
/******/
/******/ // startup
/******/ // Load entry module and return exports
/******/ // This entry module is referenced by other modules so it can't be inlined
/******/ var __webpack_exports__ = __webpack_require__("./src/plugin/mediasession/index.js");
/******/
/******/ return __webpack_exports__;
/******/ })()
;
});
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