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https://codeberg.org/ashley/poke
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add videojs-hotkeys
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ashley
parent
0a29a4de21
commit
0a415383a9
445
css/videojs-plugin-hotkeys.js
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445
css/videojs-plugin-hotkeys.js
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/*
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* Video.js Hotkeys
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* https://github.com/ctd1500/videojs-hotkeys
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*
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* Copyright (c) 2015 Chris Dougherty
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* Licensed under the Apache-2.0 license.
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*/
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;(function(root, factory) {
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if (typeof window !== 'undefined' && window.videojs) {
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factory(window.videojs);
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} else if (typeof define === 'function' && define.amd) {
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define('videojs-hotkeys', ['video.js'], function (module) {
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return factory(module.default || module);
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});
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} else if (typeof module !== 'undefined' && module.exports) {
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var videojs = require('video.js');
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module.exports = factory(videojs.default || videojs);
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}
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}(this, function (videojs) {
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"use strict";
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if (typeof window !== 'undefined') {
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window['videojs_hotkeys'] = { version: "0.2.28" };
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}
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var hotkeys = function(options) {
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var player = this;
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var pEl = player.el();
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var doc = document;
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var def_options = {
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volumeStep: 0.1,
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seekStep: 5,
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enableMute: true,
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enableVolumeScroll: true,
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enableHoverScroll: false,
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enableFullscreen: true,
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enableNumbers: true,
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enableJogStyle: false,
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alwaysCaptureHotkeys: false,
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captureDocumentHotkeys: false,
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documentHotkeysFocusElementFilter: function () { return false },
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enableModifiersForNumbers: true,
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enableInactiveFocus: true,
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skipInitialFocus: false,
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playPauseKey: playPauseKey,
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rewindKey: rewindKey,
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forwardKey: forwardKey,
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volumeUpKey: volumeUpKey,
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volumeDownKey: volumeDownKey,
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muteKey: muteKey,
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fullscreenKey: fullscreenKey,
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customKeys: {}
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};
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var cPlay = 1,
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cRewind = 2,
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cForward = 3,
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cVolumeUp = 4,
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cVolumeDown = 5,
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cMute = 6,
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cFullscreen = 7;
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// Use built-in merge function from Video.js v5.0+ or v4.4.0+
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var mergeOptions = videojs.mergeOptions || videojs.util.mergeOptions;
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options = mergeOptions(def_options, options || {});
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var volumeStep = options.volumeStep,
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seekStep = options.seekStep,
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enableMute = options.enableMute,
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enableVolumeScroll = options.enableVolumeScroll,
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enableHoverScroll = options.enableHoverScroll,
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enableFull = options.enableFullscreen,
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enableNumbers = options.enableNumbers,
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enableJogStyle = options.enableJogStyle,
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alwaysCaptureHotkeys = options.alwaysCaptureHotkeys,
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captureDocumentHotkeys = options.captureDocumentHotkeys,
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documentHotkeysFocusElementFilter = options.documentHotkeysFocusElementFilter,
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enableModifiersForNumbers = options.enableModifiersForNumbers,
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enableInactiveFocus = options.enableInactiveFocus,
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skipInitialFocus = options.skipInitialFocus;
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var videojsVer = videojs.VERSION;
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// Set default player tabindex to handle keydown and doubleclick events
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if (!pEl.hasAttribute('tabIndex')) {
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pEl.setAttribute('tabIndex', '-1');
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}
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// Remove player outline to fix video performance issue
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pEl.style.outline = "none";
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if (alwaysCaptureHotkeys || !player.autoplay()) {
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if (!skipInitialFocus) {
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player.one('play', function() {
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pEl.focus(); // Fixes the .vjs-big-play-button handing focus back to body instead of the player
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});
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}
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}
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if (enableInactiveFocus) {
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player.on('userinactive', function() {
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// When the control bar fades, re-apply focus to the player if last focus was a control button
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var cancelFocusingPlayer = function() {
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clearTimeout(focusingPlayerTimeout);
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};
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var focusingPlayerTimeout = setTimeout(function() {
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player.off('useractive', cancelFocusingPlayer);
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var activeElement = doc.activeElement;
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var controlBar = pEl.querySelector('.vjs-control-bar');
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if (activeElement && activeElement.parentElement == controlBar) {
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pEl.focus();
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}
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}, 10);
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player.one('useractive', cancelFocusingPlayer);
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});
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}
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player.on('play', function() {
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// Fix allowing the YouTube plugin to have hotkey support.
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var ifblocker = pEl.querySelector('.iframeblocker');
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if (ifblocker && ifblocker.style.display === '') {
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ifblocker.style.display = "block";
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ifblocker.style.bottom = "39px";
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}
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});
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var keyDown = function keyDown(event) {
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var ewhich = event.which, wasPlaying, seekTime;
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var ePreventDefault = event.preventDefault.bind(event);
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var duration = player.duration();
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// When controls are disabled, hotkeys will be disabled as well
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if (player.controls()) {
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// Don't catch keys if any control buttons are focused, unless alwaysCaptureHotkeys is true
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var activeEl = doc.activeElement;
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if (
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alwaysCaptureHotkeys ||
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(captureDocumentHotkeys && documentHotkeysFocusElementFilter(activeEl)) ||
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activeEl == pEl ||
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activeEl == pEl.querySelector('.vjs-tech') ||
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activeEl == pEl.querySelector('.vjs-control-bar') ||
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activeEl == pEl.querySelector('.iframeblocker')
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) {
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switch (checkKeys(event, player)) {
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// Spacebar toggles play/pause
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case cPlay:
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ePreventDefault();
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if (alwaysCaptureHotkeys || captureDocumentHotkeys) {
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// Prevent control activation with space
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event.stopPropagation();
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}
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if (player.paused()) {
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silencePromise(player.play());
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} else {
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player.pause();
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}
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break;
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// Seeking with the left/right arrow keys
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case cRewind: // Seek Backward
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wasPlaying = !player.paused();
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ePreventDefault();
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if (wasPlaying) {
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player.pause();
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}
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seekTime = player.currentTime() - seekStepD(event);
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// The flash player tech will allow you to seek into negative
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// numbers and break the seekbar, so try to prevent that.
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if (seekTime <= 0) {
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seekTime = 0;
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}
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player.currentTime(seekTime);
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if (wasPlaying) {
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silencePromise(player.play());
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}
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break;
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case cForward: // Seek Forward
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wasPlaying = !player.paused();
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ePreventDefault();
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if (wasPlaying) {
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player.pause();
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}
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seekTime = player.currentTime() + seekStepD(event);
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// Fixes the player not sending the end event if you
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// try to seek past the duration on the seekbar.
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if (seekTime >= duration) {
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seekTime = wasPlaying ? duration - .001 : duration;
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}
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player.currentTime(seekTime);
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if (wasPlaying) {
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silencePromise(player.play());
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}
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break;
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// Volume control with the up/down arrow keys
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case cVolumeDown:
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ePreventDefault();
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if (!enableJogStyle) {
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player.volume(player.volume() - volumeStep);
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} else {
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seekTime = player.currentTime() - 1;
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if (player.currentTime() <= 1) {
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seekTime = 0;
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}
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player.currentTime(seekTime);
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}
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break;
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case cVolumeUp:
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ePreventDefault();
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if (!enableJogStyle) {
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player.volume(player.volume() + volumeStep);
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} else {
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seekTime = player.currentTime() + 1;
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if (seekTime >= duration) {
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seekTime = duration;
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}
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player.currentTime(seekTime);
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}
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break;
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// Toggle Mute with the M key
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case cMute:
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if (enableMute) {
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player.muted(!player.muted());
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}
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break;
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// Toggle Fullscreen with the F key
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case cFullscreen:
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if (enableFull) {
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if (player.isFullscreen()) {
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player.exitFullscreen();
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} else {
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player.requestFullscreen();
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}
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}
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break;
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default:
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// Number keys from 0-9 skip to a percentage of the video. 0 is 0% and 9 is 90%
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if ((ewhich > 47 && ewhich < 59) || (ewhich > 95 && ewhich < 106)) {
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// Do not handle if enableModifiersForNumbers set to false and keys are Ctrl, Cmd or Alt
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if (enableModifiersForNumbers || !(event.metaKey || event.ctrlKey || event.altKey)) {
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if (enableNumbers) {
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var sub = 48;
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if (ewhich > 95) {
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sub = 96;
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}
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var number = ewhich - sub;
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ePreventDefault();
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player.currentTime(player.duration() * number * 0.1);
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}
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}
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}
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// Handle any custom hotkeys
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for (var customKey in options.customKeys) {
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var customHotkey = options.customKeys[customKey];
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// Check for well formed custom keys
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if (customHotkey && customHotkey.key && customHotkey.handler) {
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// Check if the custom key's condition matches
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if (customHotkey.key(event)) {
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ePreventDefault();
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customHotkey.handler(player, options, event);
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}
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}
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}
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}
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}
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}
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};
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var doubleClick = function doubleClick(event) {
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// Video.js added double-click fullscreen in 7.1.0
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if (videojsVer != null && videojsVer <= "7.1.0") {
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// When controls are disabled, hotkeys will be disabled as well
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if (player.controls()) {
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// Don't catch clicks if any control buttons are focused
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var activeEl = event.relatedTarget || event.toElement || doc.activeElement;
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if (activeEl == pEl ||
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activeEl == pEl.querySelector('.vjs-tech') ||
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activeEl == pEl.querySelector('.iframeblocker')) {
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if (enableFull) {
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if (player.isFullscreen()) {
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player.exitFullscreen();
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} else {
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player.requestFullscreen();
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}
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}
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}
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}
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}
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};
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var volumeHover = false;
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var volumeSelector = pEl.querySelector('.vjs-volume-menu-button') || pEl.querySelector('.vjs-volume-panel');
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if (volumeSelector != null) {
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volumeSelector.onmouseover = function() { volumeHover = true; };
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volumeSelector.onmouseout = function() { volumeHover = false; };
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}
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var mouseScroll = function mouseScroll(event) {
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if (enableHoverScroll) {
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// If we leave this undefined then it can match non-existent elements below
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var activeEl = 0;
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} else {
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var activeEl = doc.activeElement;
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}
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// When controls are disabled, hotkeys will be disabled as well
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if (player.controls()) {
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if (alwaysCaptureHotkeys ||
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activeEl == pEl ||
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activeEl == pEl.querySelector('.vjs-tech') ||
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activeEl == pEl.querySelector('.iframeblocker') ||
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activeEl == pEl.querySelector('.vjs-control-bar') ||
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volumeHover) {
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if (enableVolumeScroll) {
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event = window.event || event;
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var delta = Math.max(-1, Math.min(1, (event.wheelDelta || -event.detail)));
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event.preventDefault();
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if (delta == 1) {
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player.volume(player.volume() + volumeStep);
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} else if (delta == -1) {
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player.volume(player.volume() - volumeStep);
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}
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}
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}
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}
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};
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var checkKeys = function checkKeys(e, player) {
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// Allow some modularity in defining custom hotkeys
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// Play/Pause check
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if (options.playPauseKey(e, player)) {
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return cPlay;
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}
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// Seek Backward check
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if (options.rewindKey(e, player)) {
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return cRewind;
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}
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// Seek Forward check
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if (options.forwardKey(e, player)) {
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return cForward;
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}
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// Volume Up check
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if (options.volumeUpKey(e, player)) {
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return cVolumeUp;
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}
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// Volume Down check
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if (options.volumeDownKey(e, player)) {
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return cVolumeDown;
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}
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// Mute check
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if (options.muteKey(e, player)) {
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return cMute;
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}
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// Fullscreen check
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if (options.fullscreenKey(e, player)) {
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return cFullscreen;
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}
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};
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function playPauseKey(e) {
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// Space bar or MediaPlayPause
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return (e.which === 32 || e.which === 179);
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}
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function rewindKey(e) {
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// Left Arrow or MediaRewind
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return (e.which === 37 || e.which === 177);
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}
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function forwardKey(e) {
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// Right Arrow or MediaForward
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return (e.which === 39 || e.which === 176);
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}
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function volumeUpKey(e) {
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// Up Arrow
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return (e.which === 38);
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}
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function volumeDownKey(e) {
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// Down Arrow
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return (e.which === 40);
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}
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function muteKey(e) {
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// M key
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return (e.which === 77);
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}
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function fullscreenKey(e) {
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// F key
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return (e.which === 70);
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}
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function seekStepD(e) {
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// SeekStep caller, returns an int, or a function returning an int
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return (typeof seekStep === "function" ? seekStep(e) : seekStep);
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}
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function silencePromise(value) {
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if (value != null && typeof value.then === 'function') {
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value.then(null, function(e) {});
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}
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}
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if (captureDocumentHotkeys) {
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var capDocHK = function (event) { keyDown(event) };
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document.addEventListener('keydown', capDocHK);
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this.dispose = function () {
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document.removeEventListener('keydown', capDocHK);
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}
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} else {
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player.on('keydown', keyDown);
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}
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player.on('dblclick', doubleClick);
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player.on('mousewheel', mouseScroll);
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player.on("DOMMouseScroll", mouseScroll);
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return this;
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};
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var registerPlugin = videojs.registerPlugin || videojs.plugin;
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registerPlugin('hotkeys', hotkeys);
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}));
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