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<?php

/**

 * @file

 * Hooks provided by the Media module.

 */

/**

 * Parses a url or embedded code into a unique URI.

 *

 * @param string $url

 *   The original URL or embed code to parse.

 *

 * @return array

 *   The unique URI for the file, based on its stream wrapper, or NULL.

 *

 * @see hook_media_parse_alter()

 * @see media_parse_to_file()

 * @see media_add_from_url_validate()

 */

function hook_media_parse($url) {

  // Only parse URLs from our website of choice: examplevideo.com

  if (substr($url, 0, 27) == 'http://www.examplevideo.com') {

    // Each video has a 5 digit ID, i.e. http://www.examplevideo.com/12345

    // Grab the ID and use it in our URI.

    $id = substr($url, 28, 33);

    return file_stream_wrapper_uri_normalize('examplevideo://video/' . $id);

  }

}

/**

 * Alters the parsing of urls and embedded codes into unique URIs.

 *

 * @param string $success

 *   The unique URI for the file, based on its stream wrapper, or NULL.

 * @param array $context

 *   A nested array of contextual information containing the following keys:

 *   - url: The original URL or embed code to parse.

 *   - module: The name of the module which is attempting to parse the url or

 *     embedded code into a unique URI.

 *

 * @see hook_media_parse()

 * @see hook_media_browser_plugin_info()

 * @see media_get_browser_plugin_info()

 */

function hook_media_parse_alter(&$success, $context) {

  $url = $context['url'];

  $url_info = parse_url($url);

  // Restrict users to only embedding secure links.

  if ($url_info['scheme'] != 'https') {

    $success = NULL;

  }

  // Use a custom handler for detecting YouTube videos.

  if ($context['module' == 'media_youtube']) {

    $handler = new CustomYouTubeHandler($url);

    $success = $handler->parse($url);

  }

}

/**

 * Returns a list of plugins for the media browser.

 *

 * @return array

 *   A nested array of plugin information, keyed by plugin name. Each plugin

 *   info array may have the following keys:

 *   - title: (required) A name for the tab in the media browser.

 *   - class: (required) The class name of the handler. This class must

 *     implement a view() method, and may (should) extend the

 *     @link MediaBrowserPlugin MediaBrowserPlugin @endlink class.

 *   - weight: (optional) Integer to determine the tab order. Defaults to 0.

 *   - access callback: (optional) A callback for user access checks.

 *   - access arguments: (optional) An array of arguments for the user access

 *   check.

 *

 * Additional custom keys may be provided for use by the handler.

 *

 * @see hook_media_browser_plugin_info_alter()

 * @see media_get_browser_plugin_info()

 */

function hook_media_browser_plugin_info() {

  $info['media_upload'] = array(

    'title' => t('Upload'),

    'class' => 'MediaBrowserUpload',

    'weight' => -10,

    'access callback' => 'user_access',

    'access arguments' => array('create files'),

  );

  return $info;

}

/**

 * Alter the list of plugins for the media browser.

 *

 * @param array $info

 *   The associative array of media browser plugin definitions from

 *   hook_media_browser_plugin_info().

 *

 * @see hook_media_browser_plugin_info()

 * @see media_get_browser_plugin_info()

 */

function hook_media_browser_plugin_info_alter(&$info) {

  $info['media_upload']['title'] = t('Upload 2.0');

  $info['media_upload']['class'] = 'MediaBrowserUploadImproved';

}

/**

 * Alter the plugins before they are rendered.

 *

 * @param array $plugin_output

 *   The associative array of media browser plugin information from

 *   media_get_browser_plugin_info().

 *

 * @see hook_media_browser_plugin_info()

 * @see media_get_browser_plugin_info()

 */

function hook_media_browser_plugins_alter(&$plugin_output) {

  $plugin_output['upload']['form']['upload']['#title'] = t('Upload 2.0');

  $plugin_output['media_internet']['form']['embed_code']['#size'] = 100;

}

/**

 * Alter a singleton of the params passed to the media browser.

 *

 * @param array $stored_params

 *   An array of parameters provided when a media_browser is launched.

 *

 * @see media_browser()

 * @see media_set_browser_params()

 */

function hook_media_browser_params_alter(&$stored_params) {

  $stored_params['view_mode'] = 'custom';

  $stored_params['types'][] = 'document';

  unset($stored_params['enabledPlugins'][0]);

}

/**

 *

 * Alter the media multiple elements widget

 *

 * @param $table

 *   the table of elements that will be rendered via theme_table()

 * @param $element

 *   elements that are actually attached

 *

 * @see theme_media_widget_multiple()

 */

function hook_media_widget_multiple_alter(&$table, &$element) {

  $table['attributes']['class'][] = 'myclass';

}