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videojs.hotkeys.js
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videojs.hotkeys.js
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/*
* Video.js Hotkeys
* https://github.com/ctd1500/videojs-hotkeys
*
* Copyright (c) 2015 Chris Dougherty
* Licensed under the Apache-2.0 license.
*/
(function(window, videojs) {
'use strict';
window['videojs_hotkeys'] = { version: "0.2.5" };
var hotkeys = function(options) {
var player = this;
var def_options = {
volumeStep: 0.1,
seekStep: 5,
enableMute: true,
enableFullscreen: true,
enableNumbers: true,
enableJogStyle: false
};
options = options || {};
var volumeStep = options.volumeStep || def_options.volumeStep;
var seekStep = options.seekStep || def_options.seekStep;
var enableMute = options.enableMute || def_options.enableMute;
var enableFull = options.enableFullscreen || def_options.enableFullscreen;
var enableNumbers = options.enableNumbers || def_options.enableNumbers;
var enableJogStyle = options.enableJogStyle || def_options.enableJogStyle;
// Set default player tabindex to handle keydown and doubleclick events
if (!player.el().hasAttribute('tabIndex')) {
player.el().setAttribute('tabIndex', '-1');
}
player.on('play', function() {
// Fix allowing the YouTube plugin to have hotkey support.
var ifblocker = player.el().querySelector('.iframeblocker');
if (ifblocker &&
ifblocker.style.display == "") {
ifblocker.style.display = "block";
ifblocker.style.bottom = "39px";
}
});
var keyDown = function keyDown(event) {
var ewhich = event.which;
// When controls are disabled, hotkeys will be disabled as well
if (player.controls()) {
// Don't catch keys if any control buttons are focused, unless in jogStyle mode
var activeEl = document.activeElement;
var hotFocused = activeEl == player.el() ||
activeEl == player.el().querySelector('.vjs-tech') ||
activeEl == player.el().querySelector('.vjs-control-bar') ||
activeEl == player.el().querySelector('.iframeblocker');
if (enableJogStyle || hotFocused) {
switch (ewhich) {
// Spacebar toggles play/pause
case 32:
if (hotFocused) { //the event is handled by videoJS
event.preventDefault();
if (player.paused()) {
player.play();
} else {
player.pause();
}
}
break;
// Seeking with the left/right arrow keys
case 37: // Left Arrow
event.preventDefault();
var curTime = player.currentTime() - seekStep;
// The flash player tech will allow you to seek into negative
// numbers and break the seekbar, so try to prevent that.
if (player.currentTime() <= seekStep) {
curTime = 0;
}
player.currentTime(curTime);
break;
case 39: // Right Arrow
event.preventDefault();
player.currentTime(player.currentTime() + seekStep);
break;
// Volume control with the up/down arrow keys
case 40: // Down Arrow
event.preventDefault();
if (!enableJogStyle)
player.volume(player.volume() - volumeStep);
else {
var curTime = player.currentTime() - 1;
// The flash player tech will allow you to seek into negative
// numbers and break the seekbar, so try to prevent that.
if (player.currentTime() <= 1) {
curTime = 0;
}
player.currentTime(curTime);
}
break;
case 38: // Up Arrow
event.preventDefault();
if (!enableJogStyle)
player.volume(player.volume() + volumeStep);
else
player.currentTime(player.currentTime() + 1);
break;
// Toggle Mute with the M key
case 77:
if (enableMute) {
if (player.muted()) {
player.muted(false);
} else {
player.muted(true);
}
}
break;
// Toggle Fullscreen with the F key
case 70:
if (enableFull) {
if (player.isFullscreen()) {
player.exitFullscreen();
} else {
player.requestFullscreen();
}
}
break;
default:
// Number keys from 0-9 skip to a percentage of the video. 0 is 0% and 9 is 90%
if ((ewhich > 47 && ewhich < 59) || (ewhich > 95 && ewhich < 106)) {
if (enableNumbers) {
var sub = 48;
if (ewhich > 95) {
sub = 96;
}
var number = ewhich - sub;
event.preventDefault();
player.currentTime(player.duration() * number * 0.1);
}
}
}
}
}
};
var doubleClick = function doubleClick(event) {
// When controls are disabled, hotkeys will be disabled as well
if (player.controls()) {
// Don't catch clicks if any control buttons are focused
var activeEl = event.relatedTarget || event.toElement || document.activeElement;
if (activeEl == player.el() ||
activeEl == player.el().querySelector('.vjs-tech') ||
activeEl == player.el().querySelector('.iframeblocker')) {
if (enableFull) {
if (player.isFullscreen()) {
player.exitFullscreen();
} else {
player.requestFullscreen();
}
}
}
}
};
player.on('keydown', keyDown);
player.on('dblclick', doubleClick);
return this;
};
videojs.plugin('hotkeys', hotkeys);
})(window, window.videojs);