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   1  <?php
   2  // This file is part of Moodle - http://moodle.org/
   3  //
   4  // Moodle is free software: you can redistribute it and/or modify
   5  // it under the terms of the GNU General Public License as published by
   6  // the Free Software Foundation, either version 3 of the License, or
   7  // (at your option) any later version.
   8  //
   9  // Moodle is distributed in the hope that it will be useful,
  10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  // GNU General Public License for more details.
  13  //
  14  // You should have received a copy of the GNU General Public License
  15  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16  
  17  /**
  18   * Main class for plugin 'media_swf'
  19   *
  20   * @package   media_swf
  21   * @copyright 2016 Marina Glancy
  22   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   */
  24  
  25  defined('MOODLE_INTERNAL') || die();
  26  
  27  /**
  28   * Media player for Flash SWF files.
  29   *
  30   * This player contains additional security restriction: it will only be used
  31   * if you add option core_media_player_swf::ALLOW = true.
  32   *
  33   * Code should only set this option if it has verified that the data was
  34   * embedded by a trusted user (e.g. in trust text).
  35   *
  36   * @package   media_swf
  37   * @copyright 2016 Marina Glancy
  38   * @author    2011 The Open University
  39   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  40   */
  41  class media_swf_plugin extends core_media_player {
  42      public function embed($urls, $name, $width, $height, $options) {
  43          self::pick_video_size($width, $height);
  44  
  45          $firsturl = reset($urls);
  46          $url = $firsturl->out(true);
  47  
  48          $fallback = core_media_player::PLACEHOLDER;
  49          $output = <<<OET
  50  <span class="mediaplugin mediaplugin_swf">
  51    <object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" width="$width" height="$height">
  52      <param name="movie" value="$url" />
  53      <param name="autoplay" value="true" />
  54      <param name="loop" value="false" />
  55      <param name="controller" value="true" />
  56      <param name="scale" value="aspect" />
  57      <param name="base" value="." />
  58      <param name="allowscriptaccess" value="never" />
  59      <param name="allowfullscreen" value="true" />
  60  <!--[if !IE]><!-->
  61      <object type="application/x-shockwave-flash" data="$url" width="$width" height="$height">
  62        <param name="controller" value="true" />
  63        <param name="autoplay" value="true" />
  64        <param name="loop" value="false" />
  65        <param name="scale" value="aspect" />
  66        <param name="base" value="." />
  67        <param name="allowscriptaccess" value="never" />
  68        <param name="allowfullscreen" value="true" />
  69  <!--<![endif]-->
  70  $fallback
  71  <!--[if !IE]><!-->
  72      </object>
  73  <!--<![endif]-->
  74    </object>
  75  </span>
  76  OET;
  77  
  78          return $output;
  79      }
  80  
  81      public function get_supported_extensions() {
  82          return array('.swf');
  83      }
  84  
  85      public function list_supported_urls(array $urls, array $options = array()) {
  86          // Not supported unless the creator is trusted.
  87          if (empty($options[core_media_manager::OPTION_TRUSTED])) {
  88              return array();
  89          }
  90          return parent::list_supported_urls($urls, $options);
  91      }
  92  
  93      /**
  94       * Default rank
  95       * @return int
  96       */
  97      public function get_rank() {
  98          return 30;
  99      }
 100  }