youtube-kb

youtube-kb.js

// ==UserScript==
// @name        youtube-kb
// @author      uenop
// @namespace   http://twitter.com/uenomasaru
// @include http://www.youtube.com/watch?*
// ==/UserScript==

(function() {
    var time_seek = 15, tick_volume = 10, tick_volume2 = 20;
    var key = {
        debug : 'o',
        fullscreen : 'S-f',
        loop : 'r',
        mute_toggle : 'm',
        n_second : 'S-n',
        play : 'p',
        seek_back : 'u',
        seek_forward : 'i',
        seek_head : 'S-h',
        volumedown : 't',
        volumedown2 : 'S-t',
        volumeup : 'y',
        volumeup2 : 'S-y'
    };

    document.addEventListener('keydown', function (e) {
        var player = document.getElementById("watch-player").children(0);
        var pressed = String.fromCharCode(e.which).toLowerCase();
        pressed = (e.ctrlKey ? 'C-' : '') + (e.altKey ? 'A-' : '') + (e.shiftKey ? 'S-' : '') + pressed;

        switch(pressed){
          case key.debug:
            console.log(player);
            player.setPlaybackQuality( player.getAvailableQualityLevels()[0] );
            break;
          case key.loop :
            
          case key.fullscreen:
            break;
          case key.mute_toggle:
            player.isMuted() ? player.unMute() : player.mute();
            break;
          case key.n_second:
            e.preventDefault();
            var s = prompt('seek to (second OR min:sec)',"1:00");
            var n = 0;
            var a = s.match(/\d+/g);
            if( a.length==1 ){
                n = s;
            } else if( a.length==2 ){
                n = Number(a[0]*60) + Number(a[1]);
            } else
                break;
            player.seekTo(n);
            break;
          case key.play:
            (player.getPlayerState() == 1 ) ? player.pauseVideo() : player.playVideo();
            break;
          case key.seek_back:
            player.seekTo( player.getCurrentTime() - time_seek );
            break;
          case key.seek_forward:
            player.seekTo( player.getCurrentTime() + time_seek );
            break;
          case key.seek_head:
            player.seekTo(0);
            break;
          case key.volumedown:
            player.setVolume(player.getVolume() - tick_volume);
            break;
          case key.volumedown2:
            player.setVolume(player.getVolume() - tick_volume2);
            break;
          case key.volumeup:
            player.setVolume(player.getVolume() + tick_volume);
            break;
          case key.volumeup2:
            player.setVolume(player.getVolume() + tick_volume2);
            break;
        default:
            // window.opera.postError(e.which + " " + String.fromCharCode(e.which))
        }
    }, false);

    // Force High Quality
    document.addEventListener('load', function (e) {
        var player = document.getElementById("watch-player").children(0);
        player.setPlaybackQuality( player.getAvailableQualityLevels()[0] );
    }, true);
})();