lib/plugin/YouTube.php

   1 <?php // -*-php-*-
   2 rcs_id('$Id$');
   3 /*
   4  Copyright 2007 Reini Urban
   5  Copyright 2008 Marc-Etienne Vargenau, Alcatel-Lucent
   6 */
   7
   8 /**
   9  * Embed YouTube videos
  10  *
  11  * Browse: Daily pick, Most Recent, Most Viewed, Top Rated, Most Discussed, Top Favorites, Most Linked,
  12  *         Recently Featured, Most Responded, Watch on Mobile
  13  * Time:   Today, This Week, This Month, All Time
  14  * Category: All, Autos & Vehicles, Comedy, Entertainment, Film & Animation,
  15  *         Gadgets & Games, Howto & DIY, Music, News & Politics, People & Blogs, Pets & Animals,
  16  *         Sports, Travel & Places
  17  * Language: All, English, Spanish, Japanese, German, Chinese, French
  18  * @author: Reini Urban
  19  */
  20
  21 class WikiPlugin_YouTube
  22 extends WikiPlugin
  23 {
  24     function getName () {
  25         return _("YouTube");
  26     }
  27
  28     function getDescription () {
  29         return _("Embed YouTube videos");
  30     }
  31
  32     function getVersion() {
  33         return preg_replace("/[Revision: $]/", '',"\$Revision$");
  34     }
  35
  36     function getDefaultArguments() {
  37         return array('v' => "",
  38                      'browse' => '',      // see above
  39                      'time'   => '',      // only if browse
  40                      'category' => '',    // only if browse
  41                      'language' => '',    // only if browse
  42                      'index'    => 0,     // only if browse
  43                      'style' => 'inline', // or link. link links to youtube.
  44                      'size'  => 'medium', // or large, medium or small
  45                      'autoplay' => 0,
  46                      'width' => "425",
  47                      'height' => "350");
  48     }
  49
  50     function run($dbi, $argstr, &$request, $basepage) {
  51         $args = $this->getArgs($argstr, $request);
  52         extract($args);
  53         if (empty($args['v'])) {
  54             if (empty($args['browse']))
  55                 return $this->error(fmt("Required argument %s missing", "v"));
  56             $this->_browse = array("Most Recent"   => "mr",
  57                                    "Most Viewed"   => "mp",
  58                                    "Top Rated"     => "tr",
  59                                    "Most Discussed"=> "md",
  60                                    "Top Favorites" => "mf",
  61                                    "Most Linked"   => "mrd",
  62                                    "Recently Featured"=> "rf",
  63                                    "Most Responded"   => "ms",
  64                                    "Watch on Mobile"  => "mv");
  65             $this->browse   = array_keys($this->_browse);
  66             array_unshift($this->browse, "Daily Pick");
  67             $this->_time    = array("Today" => "t",
  68                                     "This Week" => "w",
  69                                     "This Month" => "m",
  70                                     "All Time" => "a");
  71             $this->_category = array("All"              => "0",
  72                                      "Autos & Vehicles" => "2",
  73                                      "Comedy"           => "23",
  74                                      "Entertainment"    => "24",
  75                                      "Film & Animation" => "1",
  76                                      "Gadgets & Games"  => "20",
  77                                      "Howto & DIY"      => "26",
  78                                      "Music"            => "10",
  79                                      "News & Politics"  => "25",
  80                                      "People & Blogs"   => "22",
  81                                      "Pets & Animals"   => "15",
  82                                      "Sports"           => "17",
  83                                      "Travel & Places"  => "19");
  84             $this->_language = array("All"     => "",
  85                                      "English" => "EN",
  86                                      "Spanish" => "ES",
  87                                      "Japanese"=> "JA",
  88                                      "German"  => "DE",
  89                                      "Chinese" => "CN",
  90                                      "French"  => "FR");
  91             if (!in_array($browse,$this->browse))
  92                 return $this->error(fmt("Invalid argument %s", "browse"));
  93             if ($time and !in_array($time,array_keys($this->_time)))
  94                 return $this->error(fmt("Invalid argument %s", "time"));
  95             if ($category and !in_array($category,$this->category))
  96                 return $this->error(fmt("Invalid argument %s", "category"));
  97             if ($language and !in_array($language,$this->language))
  98                 return $this->error(fmt("Invalid argument %s", "language"));
  99             if ($browse == "Daily Pick")
 100                 $v = $this->Daily_pick();
 101             else {
 102                 $s = $this->_browse[$browse];
 103                 $t = $time ? $this->_time[$time] : 't';
 104                 $c = $category ? $this->_category[$category] : '0';
 105                 $l = $language ? $this->_language[$language] : '';
 106                 $url = "http://www.youtube.com/browse?s=$s&t=$t&c=$c&l=$l";
 107                 $m = array('','');
 108                 if ($xml = url_get_contents($url)) {
 109                     if ($index) {
 110                         if (preg_match_all('/<div class="vtitle">.*?\n.*?<a href="\/watch\?v=(\w+)" onclick=/s', $xml, $m))
 111                             $v = $m[1][$index];
 112                     }
 113                     else {
 114                         if (preg_match('/<div class="vtitle">.*?\n.*?<a href="\/watch\?v=(\w+)" onclick=/s', $xml, $m))
 115                             $v = $m[1];
 116                     }
 117                 }
 118             }
 119         }
 120         // sanify check
 121         if (strlen($v) < 10 or strlen($v) > 12)
 122             return $this->error(fmt("Invalid argument %s", "v"));
 123         if (strcspn($v,"-_0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"))
 124             return $this->error(fmt("Invalid argument %s", "v"));
 125         $url = "http://www.youtube.com/v/" . $v;
 126         if ($autoplay)
 127             $url .= "?autoplay=1";
 128         if ($size != 'medium') {
 129             if ($size == 'large') { $width = 640; $height = 526; }
 130             elseif ($size == 'small') { $width = 240; $height = 200; }
 131         }
 132         unset($args['size']);
 133         unset($args['style']);
 134         $args['src'] = $v;
 135         unset($args['v']);
 136         if ($style == 'link') {
 137             if ($size == 'medium') { $width = 130; $height = 97; }
 138             elseif ($size == 'large') { $width = 320; $height = 240; }
 139             elseif ($size == 'small') { $width = 90; $height = 60; }
 140             // img: http://img.youtube.com/vi/KKTDRqQtPO8/2.jpg or 0.jpg
 141             $link = HTML::a(array('href' => $url),
 142                             HTML::img(array('src' => "http://img.youtube.com/vi/".
 143                                             $v."/".(($size == 'large')?"0":"2").".jpg",
 144                                             'width' => $width,
 145                                             'height' => $height,
 146                                             'alt' => "YouTube video $v")));
 147             return $link;
 148         }
 149         $object = HTML::object(array('class' => 'inlineobject',
 150                                      'width' => $width,
 151                                      'height' => $height,
 152                                      ));
 153         $attrs = array('src' => $url,
 154                        'type' => 'application/x-shockwave-flash',
 155                        'wmode' => 'transparent',
 156                        'width' => $width,
 157                        'height' => $height);
 158         if (isBrowserSafari()) {
 159             return HTML::embed($attrs);
 160         }
 161         $object->pushContent(HTML::param(array('name' => 'movie', 'value' => $url)));
 162         $object->pushContent(HTML::param(array('name' => 'wmode', 'value' => 'transparent')));
 163         $object->pushContent(HTML::embed($attrs));
 164         return $object;
 165
 166         //<object width="$w" height="$h"><param name="movie" value="http://www.youtube.com/v/$v"></param><param name="wmode" value="transparent"></param><embed src="http://www.youtube.com/v/$v" type="application/x-shockwave-flash" wmode="transparent" width="$w" height="$h"></embed></object>
 167     }
 168
 169     function Daily_pick() {
 170         if ($xml = url_get_contents("http://www.youtube.com/categories")) {
 171             if (preg_match('/<div class="heading"><b>Pick of The Day<\/b><\/div>.*?<a href="\/watch\?v=(\w+)">/s', $xml, $m))
 172                 return $m[1];
 173         }
 174         return '';
 175     }
 176 };
 177
 178 // For emacs users
 179 // Local Variables:
 180 // mode: php
 181 // tab-width: 8
 182 // c-basic-offset: 4
 183 // c-hanging-comment-ender-p: nil
 184 // indent-tabs-mode: nil
 185 // End:
 186 ?>