mirror of
https://github.com/iv-org/invidious.git
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518 lines
16 KiB
JavaScript
518 lines
16 KiB
JavaScript
(function (global, factory) {
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if (typeof define === "function" && define.amd) {
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define(['video.js'], factory);
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} else if (typeof exports !== "undefined") {
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factory(require('video.js'));
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} else {
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var mod = {
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exports: {}
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};
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factory(global.videojs);
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global.videojsMarkers = mod.exports;
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}
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})(this, function (_video) {
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/*! videojs-markers - v1.0.1 - 2018-02-03
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* Copyright (c) 2018 ; Licensed */
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'use strict';
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var _video2 = _interopRequireDefault(_video);
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function _interopRequireDefault(obj) {
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return obj && obj.__esModule ? obj : {
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default: obj
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};
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}
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var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) {
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return typeof obj;
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} : function (obj) {
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return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
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};
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// default setting
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var defaultSetting = {
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markerStyle: {
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'width': '7px',
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'border-radius': '30%',
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'background-color': 'red'
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},
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markerTip: {
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display: true,
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text: function text(marker) {
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return "Break: " + marker.text;
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},
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time: function time(marker) {
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return marker.time;
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}
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},
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breakOverlay: {
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display: false,
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displayTime: 3,
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text: function text(marker) {
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return "Break overlay: " + marker.overlayText;
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},
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style: {
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'width': '100%',
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'height': '20%',
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'background-color': 'rgba(0,0,0,0.7)',
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'color': 'white',
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'font-size': '17px'
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}
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},
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onMarkerClick: function onMarkerClick(marker) {},
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onMarkerReached: function onMarkerReached(marker, index) {},
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markers: []
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};
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// create a non-colliding random number
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function generateUUID() {
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var d = new Date().getTime();
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var uuid = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (c) {
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var r = (d + Math.random() * 16) % 16 | 0;
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d = Math.floor(d / 16);
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return (c == 'x' ? r : r & 0x3 | 0x8).toString(16);
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});
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return uuid;
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};
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/**
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* Returns the size of an element and its position
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* a default Object with 0 on each of its properties
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* its return in case there's an error
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* @param {Element} element el to get the size and position
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* @return {DOMRect|Object} size and position of an element
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*/
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function getElementBounding(element) {
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var elementBounding;
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var defaultBoundingRect = {
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top: 0,
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bottom: 0,
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left: 0,
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width: 0,
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height: 0,
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right: 0
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};
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try {
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elementBounding = element.getBoundingClientRect();
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} catch (e) {
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elementBounding = defaultBoundingRect;
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}
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return elementBounding;
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}
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var NULL_INDEX = -1;
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function registerVideoJsMarkersPlugin(options) {
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// copied from video.js/src/js/utils/merge-options.js since
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// videojs 4 doens't support it by defualt.
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if (!_video2.default.mergeOptions) {
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var isPlain = function isPlain(value) {
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return !!value && (typeof value === 'undefined' ? 'undefined' : _typeof(value)) === 'object' && toString.call(value) === '[object Object]' && value.constructor === Object;
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};
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var mergeOptions = function mergeOptions(source1, source2) {
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var result = {};
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var sources = [source1, source2];
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sources.forEach(function (source) {
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if (!source) {
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return;
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}
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Object.keys(source).forEach(function (key) {
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var value = source[key];
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if (!isPlain(value)) {
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result[key] = value;
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return;
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}
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if (!isPlain(result[key])) {
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result[key] = {};
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}
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result[key] = mergeOptions(result[key], value);
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});
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});
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return result;
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};
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_video2.default.mergeOptions = mergeOptions;
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}
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if (!_video2.default.createEl) {
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_video2.default.createEl = function (tagName, props, attrs) {
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var el = _video2.default.Player.prototype.createEl(tagName, props);
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if (!!attrs) {
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Object.keys(attrs).forEach(function (key) {
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el.setAttribute(key, attrs[key]);
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});
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}
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return el;
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};
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}
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/**
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* register the markers plugin (dependent on jquery)
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*/
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var setting = _video2.default.mergeOptions(defaultSetting, options),
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markersMap = {},
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markersList = [],
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// list of markers sorted by time
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currentMarkerIndex = NULL_INDEX,
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player = this,
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markerTip = null,
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breakOverlay = null,
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overlayIndex = NULL_INDEX;
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function sortMarkersList() {
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// sort the list by time in asc order
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markersList.sort(function (a, b) {
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return setting.markerTip.time(a) - setting.markerTip.time(b);
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});
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}
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function addMarkers(newMarkers) {
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newMarkers.forEach(function (marker) {
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marker.key = generateUUID();
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player.el().querySelector('.vjs-progress-holder').appendChild(createMarkerDiv(marker));
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// store marker in an internal hash map
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markersMap[marker.key] = marker;
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markersList.push(marker);
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});
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sortMarkersList();
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}
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function getPosition(marker) {
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return setting.markerTip.time(marker) / player.duration() * 100;
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}
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function setMarkderDivStyle(marker, markerDiv) {
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markerDiv.className = 'vjs-marker ' + (marker.class || "");
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Object.keys(setting.markerStyle).forEach(function (key) {
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markerDiv.style[key] = setting.markerStyle[key];
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});
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// hide out-of-bound markers
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var ratio = marker.time / player.duration();
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if (ratio < 0 || ratio > 1) {
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markerDiv.style.display = 'none';
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}
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// set position
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markerDiv.style.left = getPosition(marker) + '%';
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if (marker.duration) {
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markerDiv.style.width = marker.duration / player.duration() * 100 + '%';
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markerDiv.style.marginLeft = '0px';
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} else {
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var markerDivBounding = getElementBounding(markerDiv);
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markerDiv.style.marginLeft = markerDivBounding.width / 2 + 'px';
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}
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}
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function createMarkerDiv(marker) {
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var markerDiv = _video2.default.createEl('div', {}, {
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'data-marker-key': marker.key,
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'data-marker-time': setting.markerTip.time(marker)
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});
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setMarkderDivStyle(marker, markerDiv);
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// bind click event to seek to marker time
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markerDiv.addEventListener('click', function (e) {
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var preventDefault = false;
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if (typeof setting.onMarkerClick === "function") {
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// if return false, prevent default behavior
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preventDefault = setting.onMarkerClick(marker) === false;
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}
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if (!preventDefault) {
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var key = this.getAttribute('data-marker-key');
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player.currentTime(setting.markerTip.time(markersMap[key]));
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}
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});
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if (setting.markerTip.display) {
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registerMarkerTipHandler(markerDiv);
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}
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return markerDiv;
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}
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function updateMarkers(force) {
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// update UI for markers whose time changed
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markersList.forEach(function (marker) {
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var markerDiv = player.el().querySelector(".vjs-marker[data-marker-key='" + marker.key + "']");
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var markerTime = setting.markerTip.time(marker);
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if (force || markerDiv.getAttribute('data-marker-time') !== markerTime) {
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setMarkderDivStyle(marker, markerDiv);
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markerDiv.setAttribute('data-marker-time', markerTime);
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}
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});
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sortMarkersList();
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}
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function removeMarkers(indexArray) {
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// reset overlay
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if (!!breakOverlay) {
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overlayIndex = NULL_INDEX;
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breakOverlay.style.visibility = "hidden";
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}
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currentMarkerIndex = NULL_INDEX;
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var deleteIndexList = [];
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indexArray.forEach(function (index) {
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var marker = markersList[index];
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if (marker) {
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// delete from memory
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delete markersMap[marker.key];
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deleteIndexList.push(index);
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// delete from dom
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var el = player.el().querySelector(".vjs-marker[data-marker-key='" + marker.key + "']");
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el && el.parentNode.removeChild(el);
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}
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});
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// clean up markers array
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deleteIndexList.reverse();
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deleteIndexList.forEach(function (deleteIndex) {
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markersList.splice(deleteIndex, 1);
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});
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// sort again
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sortMarkersList();
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}
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// attach hover event handler
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function registerMarkerTipHandler(markerDiv) {
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markerDiv.addEventListener('mouseover', function () {
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var marker = markersMap[markerDiv.getAttribute('data-marker-key')];
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if (!!markerTip) {
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markerTip.querySelector('.vjs-tip-inner').innerText = setting.markerTip.text(marker);
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// margin-left needs to minus the padding length to align correctly with the marker
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markerTip.style.left = getPosition(marker) + '%';
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var markerTipBounding = getElementBounding(markerTip);
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var markerDivBounding = getElementBounding(markerDiv);
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markerTip.style.marginLeft = -parseFloat(markerTipBounding.width / 2) + parseFloat(markerDivBounding.width / 4) + 'px';
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markerTip.style.visibility = 'visible';
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}
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});
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markerDiv.addEventListener('mouseout', function () {
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if (!!markerTip) {
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markerTip.style.visibility = "hidden";
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}
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});
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}
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function initializeMarkerTip() {
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markerTip = _video2.default.createEl('div', {
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className: 'vjs-tip',
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innerHTML: "<div class='vjs-tip-arrow'></div><div class='vjs-tip-inner'></div>"
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});
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player.el().querySelector('.vjs-progress-holder').appendChild(markerTip);
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}
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// show or hide break overlays
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function updateBreakOverlay() {
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if (!setting.breakOverlay.display || currentMarkerIndex < 0) {
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return;
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}
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var currentTime = player.currentTime();
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var marker = markersList[currentMarkerIndex];
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var markerTime = setting.markerTip.time(marker);
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if (currentTime >= markerTime && currentTime <= markerTime + setting.breakOverlay.displayTime) {
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if (overlayIndex !== currentMarkerIndex) {
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overlayIndex = currentMarkerIndex;
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if (breakOverlay) {
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breakOverlay.querySelector('.vjs-break-overlay-text').innerHTML = setting.breakOverlay.text(marker);
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}
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}
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if (breakOverlay) {
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breakOverlay.style.visibility = "visible";
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}
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} else {
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overlayIndex = NULL_INDEX;
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if (breakOverlay) {
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breakOverlay.style.visibility = "hidden";
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}
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}
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}
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// problem when the next marker is within the overlay display time from the previous marker
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function initializeOverlay() {
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breakOverlay = _video2.default.createEl('div', {
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className: 'vjs-break-overlay',
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innerHTML: "<div class='vjs-break-overlay-text'></div>"
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});
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Object.keys(setting.breakOverlay.style).forEach(function (key) {
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if (breakOverlay) {
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breakOverlay.style[key] = setting.breakOverlay.style[key];
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}
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});
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player.el().appendChild(breakOverlay);
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overlayIndex = NULL_INDEX;
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}
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function onTimeUpdate() {
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onUpdateMarker();
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updateBreakOverlay();
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options.onTimeUpdateAfterMarkerUpdate && options.onTimeUpdateAfterMarkerUpdate();
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}
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function onUpdateMarker() {
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/*
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check marker reached in between markers
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the logic here is that it triggers a new marker reached event only if the player
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enters a new marker range (e.g. from marker 1 to marker 2). Thus, if player is on marker 1 and user clicked on marker 1 again, no new reached event is triggered)
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*/
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if (!markersList.length) {
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return;
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}
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var getNextMarkerTime = function getNextMarkerTime(index) {
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if (index < markersList.length - 1) {
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return setting.markerTip.time(markersList[index + 1]);
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}
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// next marker time of last marker would be end of video time
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return player.duration();
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};
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var currentTime = player.currentTime();
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var newMarkerIndex = NULL_INDEX;
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if (currentMarkerIndex !== NULL_INDEX) {
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// check if staying at same marker
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var nextMarkerTime = getNextMarkerTime(currentMarkerIndex);
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if (currentTime >= setting.markerTip.time(markersList[currentMarkerIndex]) && currentTime < nextMarkerTime) {
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return;
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}
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// check for ending (at the end current time equals player duration)
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if (currentMarkerIndex === markersList.length - 1 && currentTime === player.duration()) {
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return;
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}
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}
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// check first marker, no marker is selected
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if (currentTime < setting.markerTip.time(markersList[0])) {
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newMarkerIndex = NULL_INDEX;
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} else {
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// look for new index
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for (var i = 0; i < markersList.length; i++) {
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nextMarkerTime = getNextMarkerTime(i);
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if (currentTime >= setting.markerTip.time(markersList[i]) && currentTime < nextMarkerTime) {
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newMarkerIndex = i;
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break;
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}
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}
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}
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// set new marker index
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if (newMarkerIndex !== currentMarkerIndex) {
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// trigger event if index is not null
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if (newMarkerIndex !== NULL_INDEX && options.onMarkerReached) {
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options.onMarkerReached(markersList[newMarkerIndex], newMarkerIndex);
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}
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currentMarkerIndex = newMarkerIndex;
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}
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}
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// setup the whole thing
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function initialize() {
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if (setting.markerTip.display) {
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initializeMarkerTip();
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}
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// remove existing markers if already initialized
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player.markers.removeAll();
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addMarkers(setting.markers);
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if (setting.breakOverlay.display) {
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initializeOverlay();
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}
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onTimeUpdate();
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player.on("timeupdate", onTimeUpdate);
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player.off("loadedmetadata");
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}
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// setup the plugin after we loaded video's meta data
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player.on("loadedmetadata", function () {
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initialize();
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});
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// exposed plugin API
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player.markers = {
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getMarkers: function getMarkers() {
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return markersList;
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},
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next: function next() {
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// go to the next marker from current timestamp
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var currentTime = player.currentTime();
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for (var i = 0; i < markersList.length; i++) {
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var markerTime = setting.markerTip.time(markersList[i]);
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if (markerTime > currentTime) {
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player.currentTime(markerTime);
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break;
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}
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}
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},
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prev: function prev() {
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// go to previous marker
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var currentTime = player.currentTime();
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for (var i = markersList.length - 1; i >= 0; i--) {
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var markerTime = setting.markerTip.time(markersList[i]);
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// add a threshold
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if (markerTime + 0.5 < currentTime) {
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player.currentTime(markerTime);
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return;
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}
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}
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},
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add: function add(newMarkers) {
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// add new markers given an array of index
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addMarkers(newMarkers);
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},
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remove: function remove(indexArray) {
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// remove markers given an array of index
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removeMarkers(indexArray);
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},
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removeAll: function removeAll() {
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var indexArray = [];
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for (var i = 0; i < markersList.length; i++) {
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indexArray.push(i);
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}
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removeMarkers(indexArray);
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},
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// force - force all markers to be updated, regardless of if they have changed or not.
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updateTime: function updateTime(force) {
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// notify the plugin to update the UI for changes in marker times
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updateMarkers(force);
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},
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reset: function reset(newMarkers) {
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// remove all the existing markers and add new ones
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player.markers.removeAll();
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addMarkers(newMarkers);
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},
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destroy: function destroy() {
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// unregister the plugins and clean up even handlers
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player.markers.removeAll();
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breakOverlay && breakOverlay.remove();
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markerTip && markerTip.remove();
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player.off("timeupdate", updateBreakOverlay);
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delete player.markers;
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}
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};
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}
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_video2.default.plugin('markers', registerVideoJsMarkersPlugin);
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});
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//# sourceMappingURL=videojs-markers.js.map
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