73 lines
2.3 KiB
JavaScript
73 lines
2.3 KiB
JavaScript
'use strict';
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var _ = require('underscore'),
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events = require('../events'),
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QUALITY_CHANGE_CLASS = 'vjs-quality-changing';
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module.exports = function(videojs) {
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videojs.use('*', function(player) {
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player.on(events.QUALITY_SELECTED, function(event, newSource) {
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var sources = player.currentSources(),
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currentTime = player.currentTime(),
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isPaused = player.paused(),
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selectedSource;
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player.addClass(QUALITY_CHANGE_CLASS);
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// Find and set the new selected source
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// Note: See `setSource` for the reason behind using both 'isDefault'
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// and 'isdefault'
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sources = _.map(sources, _.partial(_.omit, _, [ 'isDefault', 'isdefault' ]));
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selectedSource = _.findWhere(sources, { src: newSource.src });
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// Note: `_.findWhere` returns a reference to an object. Thus the
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// following updates the original object in `sources`.
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selectedSource.isDefault = true;
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player.src(sources);
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player.one('loadeddata', function() {
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player.removeClass(QUALITY_CHANGE_CLASS);
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player.currentTime(currentTime);
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if (!isPaused) {
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player.play();
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}
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});
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});
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return {
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setSource: function(autoSelectedSource, next) {
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var sources = player.currentSources(),
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defaultSource, selectedSource,
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qualitySelector;
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defaultSource = _.find(sources, function(source) {
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// While the simplest check would be `!!source.isDefault`, remember that
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// the sources can come from a `<source>` tag. Therefore, the lowercase
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// form, `isdefault`, needs to be checked.
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return source.isDefault === true
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|| source.isDefault === 'true'
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|| source.isdefault === true
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|| source.isdefault === 'true';
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});
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selectedSource = defaultSource || autoSelectedSource;
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// Update the quality selector with the new source
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qualitySelector = player.controlBar.getChild('qualitySelector');
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if (qualitySelector) {
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qualitySelector.update();
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}
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// Pass along selected source
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next(null, selectedSource);
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},
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};
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});
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};
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