librevideojs-html5-player/librevideojs-html5-player.php

<?php
/*
Plugin Name: LibreVideoJS HTML5 Player
Version: 1.1.0
Plugin URI: https://wordpress.org/plugins/librevideojs-html5-player
Author: <a href="https://conocimientoslibres.tuxfamily.org">Jesús Eduardo</a>, <a href="http://www.freakspot.net/">Jorge Maldonado</a>
Description: Reproductor de vídeo Libre en Responsive Desing HTML5 para WordPress, construido sobre el ampliamente utilizado <a href="https://notabug.org/Heckyel/LibreVideoJS">LibreVideoJS</a> de la biblioteca del reproductor de vídeo HTML5. Le permite incrustar vídeo en tu post o página con HTML5 para los navegadores principales. Es compatible con <a href="https://www.gnu.org/software/librejs/free-your-javascript.html">LibreJS</a> de acuerdo con la filosofía <a href="https://www.gnu.org">GNU</a>.
Text Domain: librevideojs-html5-player
License: GPLv3 or later
Domain Path: /languages
*/

if (!defined('ABSPATH')) {
    exit;
}

include_once 'GWP_bs3_panel_shortcode.php';

if (!class_exists('LIBREVIDEOJS_HTML5_PLAYER')) {

    class LIBREVIDEOJS_HTML5_PLAYER {

        var $plugin_version = '1.1.0';

        function __construct() {
            define('LIBREVIDEOJS_HTML5_PLAYER_VERSION', $this->plugin_version);
            $this->plugin_includes();
        }

        function plugin_includes() {
            if (is_admin()) {
                add_filter('plugin_action_links', array($this, 'plugin_action_links'), 10, 2);
            }
            add_action('plugins_loaded', array($this, 'plugins_loaded_handler'));
            add_action('wp_enqueue_scripts', 'librevideojs_html5_player_enqueue_scripts');
            add_action('admin_menu', array($this, 'add_options_menu'));
            add_action('wp_head', 'librevideojs_html5_player_header');
            add_shortcode('librevideojs_video', 'librevideojs_html5_video_embed_handler');
            //allows shortcode execution in the widget, excerpt and content
            add_filter('widget_text', 'do_shortcode');
            add_filter('the_excerpt', 'do_shortcode', 11);
            add_filter('the_content', 'do_shortcode', 11);

        }

        function plugin_url() {
            if ($this->plugin_url)
                return $this->plugin_url;
            return $this->plugin_url = plugins_url(basename(plugin_dir_path(__FILE__)), basename(__FILE__));
        }

        function plugin_action_links($links, $file) {
            if ($file == plugin_basename(dirname(__FILE__) . '/librevideojs-html5-player.php')) {
                $links[] = '<a href="options-general.php?page=librevideojs-html5-player-settings">'.__('Settings', 'librevideojs-html5-player').'</a>';
            }
            return $links;
        }

        function plugins_loaded_handler()
        {
            load_plugin_textdomain('librevideojs-html5-player', false, dirname( plugin_basename( __FILE__ ) ) . '/languages/');
        }

        function add_options_menu() {
            if (is_admin()) {
                add_options_page(__('LibreVideoJS Settings', 'librevideojs-html5-player'), __('LibreVideoJS HTML5 Player', 'librevideojs-html5-player'), 'manage_options', 'librevideojs-html5-player-settings', array($this, 'options_page'));
            }
        }

        function options_page() {
            $url = "https://wordpress.org/plugins/librevideojs-html5-player";
            $link_text = sprintf(wp_kses(__('For detailed documentation please visit the plugin homepage <a target="_blank" href="%s">here</a>.', 'librevideojs-html5-player'), array('a' => array('href' => array(), 'target' => array()))), esc_url($url));
            ?>
            <div class="wrap"><h2>LibreVideoJS HTML5 Player - v<?php echo $this->plugin_version; ?></h2>
            <div class="update-nag"><?php echo $link_text;?></div>
            </div>
            <?php
        }
    }

    $GLOBALS['easy_video_player'] = new LIBREVIDEOJS_HTML5_PLAYER();
    new GWP_bs3_panel_shortcode();

}

function librevideojs_html5_player_enqueue_scripts() {
  global $post;
  if (!is_admin() && strpos($post->post_content, '[librevideojs_video') !== false){
        $plugin_url = plugins_url('', __FILE__);
        wp_register_script('librevideojs', $plugin_url . '/librevideojs/js/cliplibrejs.dev.js', array(), LIBREVIDEOJS_HTML5_PLAYER_VERSION);
        wp_enqueue_script('librevideojs');
        wp_register_style('librevideojs-mix-master-style', $plugin_url . '/librevideojs/css/mix-material/master.css', array(), $ver='1.4');
        wp_enqueue_style('librevideojs-mix-master-style');
        wp_register_style('librevideojs-material-style', $plugin_url . '/librevideojs/css/librevideojs-material/master.css', array(), $ver='1.4');
        wp_enqueue_style('librevideojs-material-style');
        wp_register_style('librevideojs-style', $plugin_url . '/librevideojs-html5-player.css');
        wp_enqueue_style('librevideojs-style');
        wp_register_script('librevideojs-selector', $plugin_url . '/librevideojs/selector/video-quality-selector.js', array(), LIBREVIDEOJS_HTML5_PLAYER_VERSION);
        wp_enqueue_script('librevideojs-selector');
        wp_register_style('librevideojs-selector', $plugin_url . '/librevideojs/selector/video-quality-selector.css', array(), $ver = '1.4');
        wp_enqueue_style('librevideojs-selector');
    } else{
        return false;
    }
}

function librevideojs_html5_player_header() {
    if (!is_admin()) {
        $config = '<!-- This site is embedding videos using the LibreVideoJS HTML5 Player plugin v' . LIBREVIDEOJS_HTML5_PLAYER_VERSION . ' - https://conocimientoslibres.tuxfamily.org -->';
        echo $config;
    }
}

function librevideojs_html5_video_embed_handler($atts, $content=null) {
    extract(shortcode_atts(array(
        'url' => '',
        'url_calidad' => '',
        'code' => '',
        'selector' => '',
        'width' => '',
        'controls' => '',
        'preload' => 'auto',
        'autoplay' => 'false',
        'loop' => '',
        'muted' => '',
        'poster' => '',
        'skin' => '',
        'class' => '',
    ), $atts));

    if(empty($url)){
        return __('you need to specify the src of the video file', 'librevideojs-html5-player');
    }
    //src
    $src = '<source data-res="'.$url_calidad.'" src="'.$url.'" type="video/'.$code.'"/>';

    //resolution selector
    if (!empty($selector)) {
        $resolution = "$selector";
    }
    else {
        $resolution = "$url_calidad";
    }

    //controls
    if($controls == "false") {
        $controls = "";
    }
    else{
        $controls = " controls";
    }

    //preload
    if($preload == "metadata") {
        $preload = ' preload="metadata"';
    }
    else if($preload == "none") {
        $preload = ' preload="none"';
    }
    else{
        $preload = ' preload="auto"';
    }

    //autoplay
    if($autoplay == "true"){
        $autoplay = " autoplay";
    }
    else{
        $autoplay = "";
    }

    //loop
    if($loop == "true"){
        $loop = " loop";
    }
    else{
        $loop = "";
    }

    //muted
    if($muted == "true"){
        $muted = " muted";
    }
    else{
        $muted = "";
    }

    //Tracks
    if(!is_null( $content )){
      $track = do_shortcode($content);
    }
    else{
      $track = "";
    }

    //Qualities
    if(!is_null( $content = '' )){
      $calidades = do_shortcode($content);
    }
    else{
    $calidades = "";
    }

    //skin theme
    if (!empty($skin)) {
      $_skin = "$skin";
    }
    else{
      $_skin= "materialteal";
    }

    //poster
    if(!empty($poster)) {
        $poster = " poster='$poster'";
    }
    $player = "librevideojs" . uniqid();

    //custom style
    $style = '';
    if(!empty($width)){
        $style = <<<EOT
        <style>
        $player {
            max-width:{$width}px;
        }
        </style>
EOT;

    }
    $output = <<<EOT
    <!-- Begin LibreVideoJS -->
    <div class="LibreVideoJS">
    <video id="$player" class="cliplibre-js-responsive-container librevjs-hd cliplibre-js librevjs-libre-{$_skin}-skin" {$controls}{$preload}{$autoplay}{$loop}{$muted}{$poster} data-setup='{}'>
        {$src}\n\t\t{$calidades}{$track}<p class="no_html5">Sorry, this video will not work because your web browser does not support HTML5 video.<br>We recommend that you install a <a href='https://libreplanet.org/wiki/Libre_Browsers_Libre_Formats' target='_blank'> browser that respects the freedom and support free formats</a>!</p>
    </video>
    <div>
    <script type="text/javascript">
    // @license magnet:?xt=urn:btih:1f739d935676111cfff4b4693e3816e664797050&dn=gpl-3.0.txt GPL-v3-or-Later
    cliplibrejs('$player',{plugins:{resolutionSelector:{force_types:['video/webm','video/ogg','video/mp4'],default_res:"$resolution"}},nativeControlsForTouch: false});
    // @license-end
    </script>
    $style
    <br>
    <!-- End LibreVideoJS -->
EOT;
    return $output;
}

/*Adding subtitles using... [track]*/
function track_shortcode($atts, $content=null){
	extract(shortcode_atts(array(
		'kind' => '',
		'subt' => '',
		'srclang' => '',
		'label' => '',
		'default' => '',
	), $atts));

	if($kind){
    $kind = " kind='$kind'";
  }

	if($subt){
    $subt = " src='$subt'";
  }

	if($srclang){
    $srclang = " srclang='$srclang'";
  }

	if($label){
    $label = " label='$label'";
  }

	if($default == "true" || $default == "default"){
    $default = " default";
  }
	else{
    $default = "";
  }

	$track = "<track" . $kind . $subt . $srclang . $label . $default . "/>\n\t\t";

	return $track;
}
add_shortcode('track', 'track_shortcode');

/*Adding qualities*/
function calidades_shortcode($atts, $content=null){
  extract(shortcode_atts(array(
    'lvjs_calidad' => '',
    'src_video' => '',
    'lvjs_code' => '',
  ), $atts));

  if ($lvjs_calidad) {
    $lvjs_calidad = " data-res='$lvjs_calidad'";
  }
  if ($src_video) {
    $src_video = " src='$src_video'";
  }

  $calidades = "<source" . $lvjs_calidad . $src_video . " type='video/".$lvjs_code."'/>\n\t\t";

  return $calidades;
}
add_shortcode('calidades', 'calidades_shortcode');

?>