Club Drupal

<?php

/**

 * @file media_youtube/includes/media_youtube.formatters.inc

 *

 * Formatters for Media: YouTube.

 */

/**

 * Implements hook_file_formatter_info().

 */

function media_youtube_file_formatter_info() {

  $formatters['media_youtube_video'] = array(

    'label' => t('YouTube Video'),

    'file types' => array('video'),

    'default settings' => array(),

    'view callback' => 'media_youtube_file_formatter_video_view',

    'settings callback' => 'media_youtube_file_formatter_video_settings',

    'mime types' => array('video/youtube'),

  );

  $formatters['media_youtube_video']['default settings'] = array(

    'width' => 640,

    'height' => 390,

    'autohide' => 2,

    'autoplay' => FALSE,

    'color' => 'red',

    'enablejsapi' => FALSE,

    'loop' => FALSE,

    'modestbranding' => FALSE,

    'nocookie' => FALSE,

    'origin' => '',

    'protocol' => 'https:',

    'protocol_specify' => FALSE,

    'rel' => TRUE,

    'showinfo' => TRUE,

    'theme' => 'dark',

  );

  $formatters['media_youtube_image'] = array(

    'label' => t('YouTube Preview Image'),

    'file types' => array('video'),

    'default settings' => array(

      'image_style' => '',

    ),

    'view callback' => 'media_youtube_file_formatter_image_view',

    'settings callback' => 'media_youtube_file_formatter_image_settings',

    'mime types' => array('video/youtube'),

  );

  return $formatters;

}

/**

 * Implements hook_file_formatter_FORMATTER_view().

 */

function media_youtube_file_formatter_video_view($file, $display, $langcode) {

  $scheme = file_uri_scheme($file->uri);

  // WYSIWYG does not yet support video inside a running editor instance.

  if ($scheme == 'youtube' && empty($file->override['wysiwyg'])) {

    $element = array(

      '#theme' => 'media_youtube_video',

      '#uri' => $file->uri,

      '#options' => array(),

    );

    // Fake a default for attributes so the ternary doesn't choke.

    $display['settings']['attributes'] = array();

    foreach (array('width', 'height', 'autohide', 'autoplay', 'color', 'enablejsapi', 'loop', 'modestbranding', 'nocookie', 'origin', 'protocol', 'protocol_specify', 'rel', 'showinfo', 'theme', 'attributes') as $setting) {

      $element['#options'][$setting] = isset($file->override[$setting]) ? $file->override[$setting] : $display['settings'][$setting];

    }

    return $element;

  }

}

/**

 * Implements hook_file_formatter_FORMATTER_settings().

 */

function media_youtube_file_formatter_video_settings($form, &$form_state, $settings) {

  $element = array();

  $element['width'] = array(

    '#title' => t('Width'),

    '#type' => 'textfield',

    '#default_value' => $settings['width'],

    '#element_validate' => array('_youtube_validate_video_width_and_height'),

  );

  $element['height'] = array(

    '#title' => t('Height'),

    '#type' => 'textfield',

    '#default_value' => $settings['height'],

    '#element_validate' => array('_youtube_validate_video_width_and_height'),

  );

  // @see https://developers.google.com/youtube/player_parameters#Parameters

  // Multiple options.

  $element['theme'] = array(

    '#title' => t('Player theme'),

    '#type' => 'radios',

    '#options' => array(

      'dark' => t('Dark'),

      'light' => t('Light'),

    ),

    '#default_value' => $settings['theme'],

  );

  $element['color'] = array(

    '#title' => t('Progress bar color'),

    '#type' => 'radios',

    '#options' => array(

      'red' => t('Red'),

      'white' => t('White'),

    ),

    '#default_value' => $settings['color'],

  );

  $element['autohide'] = array(

    '#title' => t('Controls during playback'),

    '#type' => 'radios',

    '#options' => array(

      '0' => t('Keep progress bar and player controls on screen while playing'),

      '2' => t('Hide progress bar while playing'),

      '1' => t('Hide progress bar and player controls'),

    ),

    '#default_value' => $settings['autohide'],

  );

  // Single Options.

  $element['autoplay'] = array(

    '#title' => t('Autoplay video on load'),

    '#type' => 'checkbox',

    '#default_value' => $settings['autoplay'],

  );

  $element['loop'] = array(

    '#title' => t('Loop video'),

    '#type' => 'checkbox',

    '#default_value' => $settings['loop'],

  );

  // Note: make sure the positive/negitive language lines up with option

  // processing in media_youtube.theme.inc.

  $element['showinfo'] = array(

    '#title' => t('Display video title and uploader'),

    '#type' => 'checkbox',

    '#default_value' => $settings['showinfo'],

  );

  $element['modestbranding'] = array(

    '#title' => t('Remove YouTube logo from the control bar'),

    '#type' => 'checkbox',

    '#default_value' => $settings['modestbranding'],

  );

  $element['rel'] = array(

    '#title' => t('Show related videos when playback ends'),

    '#type' => 'checkbox',

    '#default_value' => $settings['rel'],

  );

  $element['nocookie'] = array(

    '#title' => t('Use privacy enhanced (no cookie) mode'),

    '#type' => 'checkbox',

    '#default_value' => $settings['nocookie'],

  );

  $element['protocol_specify'] = array(

    '#title' => t('Specify an http protocol'),

    '#type' => 'checkbox',

    '#default_value' => $settings['protocol_specify'],

    '#description' => t('An explicit protocol may be neccesary for videos embedded in RSS feeds and emails. If no protocol is specified, iframes will be protocol relative.'),

  );

  $element['protocol'] = array(

    '#title' => t('Iframe protocol'),

    '#type' => 'radios',

    '#default_value' => $settings['protocol'],

    '#options' => array(

      'http:' => 'http://',

      'https:' => 'https://',

    ),

    '#states' => array(

      'invisible' => array(

        ':input[name="displays[media_youtube_video][settings][protocol_specify]"]' => array('checked' => FALSE),

      ),

    ),

  );

  // JS api.

  $element['enablejsapi'] = array(

    '#title' => t('Enable the <a href="https://developers.google.com/youtube/js_api_reference">Javascript API</a>'),

    '#type' => 'checkbox',

    '#default_value' => $settings['enablejsapi'],

    '#description' => 'An id in the format <code>media-youtube-{video_id}</code> will be added to each iframe.',

  );

  $element['origin'] = array(

    '#title' => t('Origin'),

    '#type' => 'textfield',

    '#description' => t('If the Javascript API is enabled, enter your site\'s domain for added security.'),

    '#default_value' => $settings['origin'],

    '#states' => array(

      'invisible' => array(

        ':input[name="displays[media_youtube_video][settings][enablejsapi]"]' => array('checked' => FALSE),

      ),

    ),

    '#element_validate' => array('_youtube_validate_jsapi_domain'),

  );

  return $element;

}

/**

 * Validation for width and height.

 */

function _youtube_validate_video_width_and_height($element, &$form_state, $form) {

  // Check if the value is a number with an optional decimal or percentage sign, or "auto".

  if (!empty($element['#value']) && !preg_match('/^(auto|([0-9]*(\.[0-9]+)?%?))$/', $element['#value'])) {

    form_error($element, t("The value entered for @dimension is invalid. Please insert a unitless integer for pixels, a percent, or \"auto\". Note that percent and auto may not function correctly depending on the browser and doctype.", array('@dimension' => $element['#title'])));

  }

}

/**

 * Validation for Js API Origin.

 */

function _youtube_validate_jsapi_domain ($element, &$form_state, $form) {

  // Check if the value is a url with http/s and no trailing directories.

  if (!empty($element['#value']) && !preg_match('/^https?\:\/\/[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,4}){1,2}$/', $element['#value'])) {

    form_error($element, t('Please insert a valid domain in the format http://www.yourdomain.com'));

  }

}

/**

 * Implements hook_file_formatter_FORMATTER_view().

 */

function media_youtube_file_formatter_image_view($file, $display, $langcode) {

  $scheme = file_uri_scheme($file->uri);

  if ($scheme == 'youtube') {

    $wrapper = file_stream_wrapper_get_instance_by_uri($file->uri);

    $image_style = $display['settings']['image_style'];

    $valid_image_styles = image_style_options(FALSE);

    // @TODO: If autosubmit is removed and we allow view modes that insert

    // images in the WYSIWYG, add file->overrides handling.

    if (empty($image_style) || !isset($valid_image_styles[$image_style])) {

      $element = array(

        '#theme' => 'image',

        '#path' => $wrapper->getOriginalThumbnailPath(),

        '#alt' => isset($file->override['attributes']['alt']) ? $file->override['attributes']['alt'] : $file->filename,

      );

    }

    else {

      $element = array(

        '#theme' => 'image_style',

        '#style_name' => $image_style,

        '#path' => $wrapper->getLocalThumbnailPath(),

        '#alt' => isset($file->override['attributes']['alt']) ? $file->override['attributes']['alt'] : $file->filename,

      );

    }

    return $element;

  }

}

/**

 * Implements hook_file_formatter_FORMATTER_settings().

 */

function media_youtube_file_formatter_image_settings($form, &$form_state, $settings) {

  $element = array();

  $element['image_style'] = array(

    '#title' => t('Image style'),

    '#type' => 'select',

    '#options' => image_style_options(FALSE),

    '#default_value' => $settings['image_style'],

    '#empty_option' => t('None (original image)'),

  );

  return $element;

}

/**

 * Implements hook_file_default_displays_alter().

 */

function media_youtube_file_default_displays_alter(&$file_displays) {

  // Video previews should be displayed using a large filetype icon.

  $file_display = new stdClass();

  $file_display->api_version = 1;

  $file_display->name = 'video__default__media_youtube_video';

  $file_display->weight = 0;

  $file_display->status = TRUE;

  $file_display->settings = array(

    'width' => '640',

    'height' => '390',

    'theme' => 'dark',

    'color' => 'red',

    'autohide' => '2',

    'autoplay' => 0,

    'loop' => 0,

    'showinfo' => 1,

    'modestbranding' => 0,

    'rel' => 1,

    'nocookie' => 0,

    'protocol_specify' => 0,

    'protocol' => 'https:',

    'enablejsapi' => 0,

    'origin' => '',

  );

  $file_displays['video__default__media_youtube_video'] = $file_display;

  $file_display = new stdClass();

  $file_display->api_version = 1;

  $file_display->name = 'video__preview__media_youtube_image';

  $file_display->weight = 0;

  $file_display->status = TRUE;

  $file_display->settings = array(

    'image_style' => 'media_thumbnail',

  );

  $file_displays['video__preview__media_youtube_image'] = $file_display;

  $file_display = new stdClass();

  $file_display->api_version = 1;

  $file_display->name = 'video__teaser__media_youtube_video';

  $file_display->weight = 0;

  $file_display->status = TRUE;

  $file_display->settings = array(

    'width' => '560',

    'height' => '340',

    'theme' => 'dark',

    'color' => 'red',

    'autohide' => '2',

    'autoplay' => 0,

    'loop' => 0,

    'showinfo' => 1,

    'modestbranding' => 0,

    'rel' => 1,

    'nocookie' => 0,

    'protocol_specify' => 0,

    'protocol' => 'https:',

    'enablejsapi' => 0,

    'origin' => '',

  );

  $file_displays['video__teaser__media_youtube_video'] = $file_display;

}