<?php

/**
 * @file
 * Theme callbacks for the file entity module.
 */

/**
 * Copy of theme_file_file_link() for linking to the view file page.
 *
 * @see theme_file_file_link()
 */
function theme_file_entity_file_link($variables) {
  $file = $variables['file'];
  $icon_directory = $variables['icon_directory'];

  $url = 'file/' . $file->fid;
  $icon = theme('file_icon', array('file' => $file, 'icon_directory' => $icon_directory));

  // Set options as per anchor format described at
  // http://microformats.org/wiki/file-format-examples
  $options = array(
    'attributes' => array(
      'type' => $file->filemime . '; length=' . $file->filesize,
    ),
  );

  // Use the description as the link text if available.
  if (empty($file->description)) {
    $link_text = $file->filename;
  }
  else {
    $link_text = $file->description;
    $options['attributes']['title'] = check_plain($file->filename);
  }

  return '<span class="file">' . $icon . ' ' . l($link_text, $url, $options) . '</span>';
}

/**
 * Copy of theme_file_file_link() for linking to the file download URL.
 *
 * @see theme_file_file_link()
 */
function theme_file_entity_download_link($variables) {
  $file = $variables['file'];
  $icon_directory = $variables['icon_directory'];

  $uri = file_entity_download_uri($file);
  $icon = theme('file_icon', array('file' => $file, 'icon_directory' => $icon_directory));

  // Set options as per anchor format described at
  // http://microformats.org/wiki/file-format-examples
  $uri['options']['attributes']['type'] = $file->filemime . '; length=' . $file->filesize;

  // Provide the default link text.
  if (!isset($variables['text'])) {
    $variables['text'] = t('Download [file:name]');
  }

  // Peform unsanitized token replacement if $uri['options']['html'] is empty
  // since then l() will escape the link text.
  $variables['text'] = token_replace($variables['text'], array('file' => $file), array('clear' => TRUE, 'sanitize' => empty($uri['options']['html'])));

  $output = '<span class="file">' . $icon . ' ' . l($variables['text'], $uri['path'], $uri['options']);
  $output .= ' ' . '<span class="file-size">(' . format_size($file->filesize) . ')</span>';
  $output .= '</span>';

  return $output;
}

/**
 * Returns HTML for displaying an HTML5 <audio> tag.
 *
 * @param array $variables
 *   An associative array containing:
 *   - file: Associative array of file data, which must include "uri".
 *   - controls: Boolean indicating whether or not controls should be displayed.
 *   - autoplay: Boolean indicating whether or not the audio should start
 *     playing automatically.
 *   - loop: Boolean indicating whether or not the audio should loop.
 *
 * @ingroup themeable
 */
function theme_file_entity_file_audio($variables) {
  $files = $variables['files'];
  $output = '';

  $audio_attributes = array();
  if ($variables['controls']) {
    $audio_attributes['controls'] = 'controls';
  }
  if ($variables['autoplay']) {
    $audio_attributes['autoplay'] = 'autoplay';
  }
  if ($variables['loop']) {
    $audio_attributes['loop'] = 'loop';
  }

  $output .= '<audio' . drupal_attributes($audio_attributes) . '>';
  foreach ($files as $delta => $file) {
    $source_attributes = array(
      'src' => file_create_url($file['uri']),
      'type' => $file['filemime'],
    );
    $output .= '<source' . drupal_attributes($source_attributes) . ' />';
  }
  $output .= '</audio>';
  return $output;
}

/**
 * Returns HTML for displaying an HTML5 <video> tag.
 *
 * @param array $variables
 *   An associative array containing:
 *   - file: Associative array of file data, which must include "uri".
 *   - controls: Boolean indicating whether or not controls should be displayed.
 *   - autoplay: Boolean indicating whether or not the video should start
 *     playing automatically.
 *   - loop: Boolean indicating whether or not the video should loop.
 *   - muted: Boolean indicating whether or not the sound should be muted.
 *   - width: Width, in pixels, of the video player.
 *   - height: Height, in pixels, of the video player.
 *
 * @ingroup themeable
 */
function theme_file_entity_file_video($variables) {
  $files = $variables['files'];
  $output = '';

  $video_attributes = array();
  if ($variables['controls']) {
    $video_attributes['controls'] = 'controls';
  }
  if ($variables['autoplay']) {
    $video_attributes['autoplay'] = 'autoplay';
  }
  if ($variables['loop']) {
    $video_attributes['loop'] = 'loop';
  }
  if ($variables['muted']) {
    $video_attributes['muted'] = 'muted';
  }
  if ($variables['width'] && $variables['height']) {
    $video_attributes['width'] = $variables['width'];
    $video_attributes['height'] = $variables['height'];
  }

  $output .= '<video' . drupal_attributes($video_attributes) . '>';
  foreach ($files as $delta => $file) {
    $source_attributes = array(
      'src' => file_create_url($file['uri']),
      'type' => $file['filemime'],
    );
    $output .= '<source' . drupal_attributes($source_attributes) . ' />';
  }
  $output .= '</video>';
  return $output;
}