/drupal7/sites/all/modules/media/media.module - Annoter - Club Drupal - Forge Centrale Marseille

root / drupal7 / sites / all / modules / media / media.module @ e4215af7

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+<?php
 /**
  * @file
  * Media API
+ *
  * The core Media API.
  * See http://drupal.org/project/media for more details.
  */
 // Code relating to using media as a field.
 require_once dirname(__FILE__) . '/includes/media.fields.inc';
 /**
  * Implements hook_hook_info().
  */
 function media_hook_info() {
   $hooks = array(
     'media_parse',
     'media_browser_plugin_info',
     'media_browser_plugin_info_alter',
     'media_browser_plugins_alter',
     'media_browser_params_alter',
     'query_media_browser_alter',
   );
   return array_fill_keys($hooks, array('group' => 'media'));
+}
 /**
  * Implements hook_help().
  */
 function media_help($path, $arg) {
   switch ($path) {
     case 'admin/help#media':
       $output = '';
       $output .= '<h3>' . t('About') . '</h3>';
       $output .= '<p>' . t('The Media module is a File Browser to the Internet, media provides a framework for managing files and multimedia assets, regardless of whether they are hosted on your own site or a 3rd party site. It replaces the Drupal core upload field with a unified User Interface where editors and administrators can upload, manage, and reuse files and multimedia assets. Media module also provides rich integration with WYSIWYG module to let content creators access media assets in rich text editor. Javascript is required to use the Media module.  For more information check <a href="@media_faq">Media Module page</a>', array('@media_faq' => 'http://drupal.org/project/media')) . '.</p>';
       $output .= '<h3>' . t('Uses') . '</h3>';
       $output .= '<dl>';
       $output .= '<dt>' . t('Media Repository') . '</dt>';
       $output .= '<dd>' . t('Media module allows you to maintain a <a href="@mediarepo">media asset repository</a> where in you can add, remove, reuse your media assets. You can add the media file using upload form or from a url and also do bulk operations on the media assets.', array('@mediarepo' => url('admin/content/media'))) . '</dd>';
       $output .= '<dt>' . t('Attaching media assets to content types') . '</dt>';
       $output .= '<dd>' . t('Media assets can be attached to content types as fields. To add a media field to a <a href="@content-type">content type</a>, go to the content type\'s <em>manage fields</em> page, and add a new field of type <em>Multimedia Asset</em>.', array('@content-type' => url('admin/structure/types'))) . '</dd>';
       $output .= '<dt>' . t('Using media assets in WYSIWYG') . '</dt>';
       $output .= '<dd>' . t('Media module provides rich integration with WYSIWYG editors, using Media Browser plugin you can select media asset from library to add to the rich text editor moreover you can add media asset from the media browser itself using either upload method or add from url method. To configure media with WYSIWYG you need two steps of configuration:');
       $output .= '<ul><li>' . t('Enable WYSIWYG plugin on your desired <a href="@wysiwyg-profile">WYSIWYG profile</a>. Please note that you will need to have <a href="@wysiwyg">WYSIWYG</a> module enabled.', array('@wysiwyg-profile' => url('admin/config/content/wysiwyg'), '@wysiwyg' => 'http://drupal.org/project/wysiwyg')) . '</li>';
       $output .= '<li>' . t('Enable the <em>Convert Media tags to markup</em> filter on the <a href="@input-format">Input format</a> you are using with the WYSIWYG profile.', array('@input-format' => url('admin/config/content/formats'))) . '</li></ul></dd>';
       return $output;
+  }
+}
 /**
  * Implements hook_entity_info_alter().
  */
 function media_entity_info_alter(&$entity_info) {
   // For sites that updated from Media 1.x, continue to provide these deprecated
   // view modes.
   // @see http://drupal.org/node/1051090
-            ca0757b9
+  if (variable_get('media_show_deprecated_view_modes', FALSE)) {
     $entity_info['file']['view modes']['media_link'] = array(
       'label' => t('Link'),
       'custom settings' => TRUE,
     );
     $entity_info['file']['view modes']['media_original'] = array(
       'label' => t('Original'),
       'custom settings' => TRUE,
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+    );
+  }
   if (module_exists('entity_translation')) {
     $entity_info['file']['translation']['entity_translation']['class'] = 'MediaEntityTranslationHandler';
-ccfec7f
+    $entity_info['file']['translation']['entity_translation']['path schemes']['media'] = array('edit path' => 'media/%file/edit/%ctools_js');
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+            Assos Assos
+}
 /**
  * Implements hook_menu().
  */
 function media_menu() {
   // For managing different types of media and the fields associated with them.
   $items['admin/config/media/browser'] = array(
     'title' => 'Media browser settings',
     'description' => 'Configure the behavior and display of the media browser.',
     'page callback' => 'drupal_get_form',
     'page arguments' => array('media_admin_config_browser'),
     'access arguments' => array('administer media browser'),
     'file' => 'includes/media.admin.inc',
   );
   // Administrative screens for managing media.
   $items['admin/content/file/thumbnails'] = array(
     'title' => 'Thumbnails',
     'description' => 'Manage files used on your site.',
     'page callback' => 'drupal_get_form',
     'page arguments' => array('file_entity_admin_file'),
     'access arguments' => array('administer files'),
     'type' => MENU_LOCAL_TASK,
     'file' => 'file_entity.admin.inc',
     'file path' => drupal_get_path('module', 'file_entity'),
     'weight' => 10,
   );
-            ca0757b9
+  $items['media/ajax'] = array(
     'page callback' => 'media_ajax_upload',
     'delivery callback' => 'ajax_deliver',
     'access arguments' => array('access content'),
     'theme callback' => 'ajax_base_page_theme',
     'type' => MENU_CALLBACK,
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+  );
   $items['media/browser'] = array(
     'title' => 'Media browser',
     'description' => 'Media Browser for picking media and uploading new media',
     'page callback' => 'media_browser',
-            ca0757b9
+    'access arguments' => array('access media browser'),
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+    'type' => MENU_CALLBACK,
     'file' => 'includes/media.browser.inc',
     'theme callback' => 'media_dialog_get_theme_name',
   );
   // A testbed to try out the media browser with different launch commands.
   $items['media/browser/testbed'] = array(
     'title' => 'Media Browser test',
     'description' => 'Make it easier to test media browser',
     'page callback' => 'drupal_get_form',
     'page arguments' => array('media_browser_testbed'),
     'access arguments' => array('administer files'),
     'type' => MENU_CALLBACK,
     'file' => 'includes/media.browser.inc',
   );
   // We could re-use the file/%file/edit path for the modal callback, but
   // it is just easier to use our own namespace here.
   $items['media/%file/edit/%ctools_js'] = array(
     'title' => 'Edit',
     'page callback' => 'drupal_get_form',
     'page arguments' => array('media_file_edit_modal', 1, 3),
     'access callback' => 'file_entity_access',
     'access arguments' => array('update', 1),
-            ca0757b9
+    'theme callback' => 'ajax_base_page_theme',
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+    'file' => 'includes/media.pages.inc',
     'type' => MENU_CALLBACK,
   );
   return $items;
+}
 /**
  * Implements hook_menu_local_tasks_alter().
  */
 function media_menu_local_tasks_alter(&$data, $router_item, $root_path) {
   // Add action link to 'file/add' on 'admin/content/file/thumbnails' page.
   if ($root_path == 'admin/content/file/thumbnails') {
     $item = menu_get_item('file/add');
     if (!empty($item['access'])) {
       $data['actions']['output'][] = array(
         '#theme' => 'menu_local_action',
         '#link' => $item,
         '#weight' => $item['weight'],
       );
+    }
+  }
+}
 /**
  * Implements hook_admin_paths().
  */
 function media_admin_paths() {
   $paths['media/*/edit/*'] = TRUE;
-            ca0757b9
+  $paths['media/*/format-form'] = TRUE;
-            d808fa20
+  if (module_exists('admin_language')) {
     $paths['media/ajax/*'] = TRUE; // For admin_language module compatibility.
+  }
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+            Assos Assos
   // If the media browser theme is set to the admin theme, ensure it gets set
   // as an admin path as well.
-            ca0757b9
+  $dialog_theme = variable_get('media_dialog_theme', '');
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+  if (empty($dialog_theme) || $dialog_theme == variable_get('admin_theme')) {
     $paths['media/browser'] = TRUE;
     $paths['media/browser/*'] = TRUE;
+  }
   return $paths;
+}
 /**
  * Implements hook_permission().
  */
 function media_permission() {
   return array(
     'administer media browser' => array(
       'title' => t('Administer media browser'),
       'description' => t('Access media browser settings.'),
     ),
-            ca0757b9
+    'access media browser' => array(
       'title' => t('Use the media browser'),
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+    ),
   );
+}
 /**
  * Implements hook_theme().
  */
 function media_theme() {
   return array(
-            ca0757b9
+    // media.module.
     'media_element' => array(
       'render element' => 'element',
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+    ),
-            ca0757b9
+    // media.field.inc.
     'media_widget' => array(
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+      'render element' => 'element',
     ),
-            ca0757b9
+    'media_widget_multiple' => array(
       'render element' => 'element',
     ),
     'media_upload_help' => array(
       'variables' => array('description' => NULL),
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+    ),
-            ca0757b9
+    // media.theme.inc.
     'media_thumbnail' => array(
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+      'render element' => 'element',
       'file' => 'includes/media.theme.inc',
     ),
     'media_formatter_large_icon' => array(
       'variables' => array('file' => NULL, 'attributes' => array(), 'style_name' => 'media_thumbnail'),
       'file' => 'includes/media.theme.inc',
     ),
-            ca0757b9
+    'media_dialog_page' => array(
       'render element' => 'page',
       'template' => 'templates/media-dialog-page',
       'file' => 'includes/media.theme.inc',
     ),
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+  );
+}
-            ca0757b9
+/**
  * Menu callback; Shared Ajax callback for media attachment and deletions.
+ *
  * This rebuilds the form element for a particular field item. As long as the
  * form processing is properly encapsulated in the widget element the form
  * should rebuild correctly using FAPI without the need for additional callbacks
  * or processing.
  */
 function media_ajax_upload() {
   $form_parents = func_get_args();
   $form_build_id = (string) array_pop($form_parents);
-f36513
+  // Sanitize form parents before using them.
   $form_parents = array_filter($form_parents, 'element_child');
-            ca0757b9
+  if (empty($_POST['form_build_id']) || $form_build_id != $_POST['form_build_id']) {
     // Invalid request.
     drupal_set_message(t('An unrecoverable error occurred. The uploaded file likely exceeded the maximum file size (@size) that this server supports.', array('@size' => format_size(file_upload_max_size()))), 'error');
     $commands = array();
     $commands[] = ajax_command_replace(NULL, theme('status_messages'));
     return array('#type' => 'ajax', '#commands' => $commands);
+  }
   list($form, $form_state, $form_id, $form_build_id, $commands) = ajax_get_form();
   if (!$form) {
     // Invalid form_build_id.
     drupal_set_message(t('An unrecoverable error occurred. Use of this form has expired. Try reloading the page and submitting again.'), 'error');
     $commands = array();
     $commands[] = ajax_command_replace(NULL, theme('status_messages'));
     return array('#type' => 'ajax', '#commands' => $commands);
+  }
   // Get the current element and count the number of files.
   $current_element = $form;
   foreach ($form_parents as $parent) {
-            da542b7b
+    if (isset($current_element[$parent])) {
       $current_element = $current_element[$parent];
+    }
     else {
       $current_element = NULL;
       break;
+    }
-            ca0757b9
+            Assos Assos
   $current_file_count = isset($current_element['#file_upload_delta']) ? $current_element['#file_upload_delta'] : 0;
   // Process user input. $form and $form_state are modified in the process.
   drupal_process_form($form['#form_id'], $form, $form_state);
   // Retrieve the element to be rendered.
   foreach ($form_parents as $parent) {
     $form = $form[$parent];
+  }
   // Add the special Ajax class if a new file was added.
   if (isset($form['#file_upload_delta']) && $current_file_count < $form['#file_upload_delta']) {
     $form[$current_file_count]['#attributes']['class'][] = 'ajax-new-content';
+  }
   // Otherwise just add the new content class on a placeholder.
   else {
     $form['#suffix'] .= '<span class="ajax-new-content"></span>';
+  }
   $output = theme('status_messages') . drupal_render($form);
   $js = drupal_add_js();
   $settings = call_user_func_array('array_merge_recursive', $js['settings']['data']);
   $commands[] = ajax_command_replace(NULL, $output, $settings);
   return array('#type' => 'ajax', '#commands' => $commands);
+}
-ad3d82
+/**
  * Implements hook_image_default_styles().
  */
 function media_image_default_styles() {
   $styles = array();
   $styles['media_thumbnail'] = array(
     'label' => 'Media thumbnail (100x100)',
     'effects' => array(
       array(
         'name' => 'image_scale_and_crop',
         'data' => array('width' => 100, 'height' => 100),
         'weight' => 0,
       ),
     ),
   );
   return $styles;
+}
 /**
  * Implements hook_page_alter().
+ *
  * This is used to use our alternate template when ?render=media-popup is passed
  * in the URL.
  */
 function media_page_alter(&$page) {
   if (isset($_GET['render']) && $_GET['render'] == 'media-popup') {
     $page['#theme'] = 'media_dialog_page';
     // Disable administration modules from adding output to the popup.
     // @see http://drupal.org/node/914786
     module_invoke_all('suppress', TRUE);
     foreach (element_children($page) as $key) {
       if ($key != 'content') {
         unset($page[$key]);
+      }
+    }
+  }
+}
 /**
  * Implements hook_form_FIELD_UI_FIELD_EDIT_FORM_alter().
+ *
  * @todo: Respect field settings in 7.x-2.x and handle them in the media widget
  * UI.
  */
 function media_form_field_ui_field_edit_form_alter(&$form, &$form_state) {
   // On file fields that use the media widget we need remove specific fields.
   if ($form['#field']['type'] == 'file' && $form['instance']['widget']['type']['#value'] == 'media_generic') {
     $form['instance']['settings']['file_extensions']['#title'] = t('Allowed file extensions for uploaded files');
     $form['instance']['settings']['file_extensions']['#maxlength'] = 255;
-            da542b7b
+    $form['instance']['settings']['file_extensions']['#description'] .= '<br />' . t('If empty, the file extensions list will be composed automatically using the allowed file types.');
     $form['instance']['settings']['file_extensions']['#required'] = FALSE;
-ad3d82
+            Assos Assos
   if ($form['#field']['type'] == 'image' && $form['instance']['widget']['type']['#value'] == 'media_generic') {
     $form['instance']['settings']['file_extensions']['#title'] = t('Allowed file extensions for uploaded files');
     // Do not increase maxlength of file extensions for image fields, since
     // presumably they will not need a long list of extensions.
+  }
-            ca0757b9
+            Assos Assos
   // Add a validation function to any field instance which uses the media widget
-            bf3c8457
+  // to ensure that the upload destination scheme is one of the allowed schemes
   // if any defined by settings.
-c412d
+  if (isset($form['instance']['widget']) && $form['instance']['widget']['type']['#value'] == 'media_generic' && isset($form['#field']['settings']['uri_scheme'])) {
-            ca0757b9
+    $form['#validate'][] = 'media_field_instance_validate';
+  }
-ad3d82
+            Assos Assos
 /**
-            ca0757b9
+ * Validation handler; ensure that the upload destination scheme is one of the
  * allowed schemes.
-ad3d82
+ */
-            ca0757b9
+function media_field_instance_validate($form, &$form_state) {
-            bf3c8457
+  $allowed_schemes = array_filter($form_state['values']['instance']['widget']['settings']['allowed_schemes']);
-            ca0757b9
+  $upload_destination = $form_state['values']['field']['settings']['uri_scheme'];
-ad3d82
+            Assos Assos
-            bf3c8457
+  if (!empty($allowed_schemes) && !in_array($upload_destination, $allowed_schemes)) {
-            ca0757b9
+    form_set_error('allowed_schemes', t('The upload destination must be one of the allowed schemes.'));
-ad3d82
+            Assos Assos
+}
 /**
  * Implements hook_form_alter().
  */
 function media_form_alter(&$form, &$form_state, $form_id) {
   // If we're in the media browser, set the #media_browser key to true
   // so that if an ajax request gets sent to a different path, the form
   // still uses the media_browser_form_submit callback.
-            bf3c8457
+  if (current_path() == 'media/browser') {
     if ($form_id == 'views_exposed_form') {
       $form['render'] = array('#type' => 'hidden', '#value' => 'media-popup');
       $form['#action'] = '/media/browser';
     } else {
       $form_state['#media_browser'] = TRUE;
+    }
-ad3d82
+            Assos Assos
   // If the #media_browser key isset and is true we are using the browser
   // popup, so add the media_browser submit handler.
   if (!empty($form_state['#media_browser'])) {
     $form['#submit'][] = 'media_browser_form_submit';
+  }
+}
 /**
  * Submit handler; direction form submissions in the media browser.
  */
 function media_browser_form_submit($form, &$form_state) {
   $url = NULL;
   $parameters = array();
   // Single upload.
   if (!empty($form_state['file'])) {
     $file = $form_state['file'];
     $url = 'media/browser';
     $parameters = array('query' => array('render' => 'media-popup', 'fid' => $file->fid));
+  }
   // If $url is set, we had some sort of upload, so redirect the form.
   if (!empty($url)) {
     $form_state['redirect'] = array($url, $parameters);
+  }
+}
 /**
  * Implements hook_library().
  */
 function media_library() {
   $path = drupal_get_path('module', 'media');
   $info = system_get_info('module', 'media');
   $common = array(
     'website' => 'http://drupal.org/project/media',
     'version' => !empty($info['version']) ? $info['version'] : '7.x-2.x',
   );
   // Contains libraries common to other media modules.
   $libraries['media_base'] = array(
     'title' => 'Media base',
     'js' => array(
       $path . '/js/media.core.js' => array('group' => JS_LIBRARY, 'weight' => -5),
       $path . '/js/util/json2.js' => array('group' => JS_LIBRARY),
       $path . '/js/util/ba-debug.min.js' => array('group' => JS_LIBRARY),
     ),
     'css' => array(
       $path . '/css/media.css',
     ),
   );
   // Includes resources needed to launch the media browser.  Should be included
   // on pages where the media browser needs to be launched from.
   $libraries['media_browser'] = array(
     'title' => 'Media Browser popup libraries',
     'js' => array(
       $path . '/js/media.popups.js' => array('group' => JS_DEFAULT),
     ),
     'dependencies' => array(
       array('system', 'ui.resizable'),
       array('system', 'ui.draggable'),
       array('system', 'ui.dialog'),
       array('media', 'media_base'),
     ),
   );
   // Resources needed in the media browser itself.
   $libraries['media_browser_page'] = array(
     'title' => 'Media browser',
     'js' => array(
       $path . '/js/media.browser.js'  => array('group' => JS_DEFAULT),
     ),
     'dependencies' => array(
       array('system', 'ui.tabs'),
       array('system', 'ui.draggable'),
       array('system', 'ui.dialog'),
       array('media', 'media_base'),
     ),
   );
-            bf3c8457
+  // Settings for the dialog etc.
   $settings = array(
     'browserUrl' => url('media/browser', array(
       'query' => array(
         'render' => 'media-popup'
       ))
     ),
     'styleSelectorUrl' => url('media/-media_id-/format-form', array(
-            29771811
+        'query' => array('render' => 'media-popup')
+      )
-            bf3c8457
+    ),
     'dialogOptions' => array(
       'dialogclass' => variable_get('media_dialogclass', 'media-wrapper'),
-            29771811
+      'modal' => (boolean) variable_get('media_modal', TRUE),
       'draggable' => (boolean) variable_get('media_draggable', FALSE),
       'resizable' => (boolean) variable_get('media_resizable', FALSE),
       'minwidth' => (int) variable_get('media_minwidth', 500),
       'width' => (int) variable_get('media_width', 670),
       'height' => (int) variable_get('media_height', 280),
-            bf3c8457
+      'position' => variable_get('media_position', 'center'),
       'overlay' => array(
         'backgroundcolor' => variable_get('media_backgroundcolor', '#000000'),
-            29771811
+        'opacity' => (float) variable_get('media_opacity', 0.4),
-            bf3c8457
+      ),
-            29771811
+      'zindex' => (int) variable_get('media_zindex', 10000),
-            bf3c8457
+    ),
   );
   $libraries['media_browser_settings'] = array(
     'title' => 'Media browser settings',
     'js' => array(
 => array(
         'data' => array(
           'media' => $settings,
         ),
         'type' => 'setting',
       ),
     ),
   );
-ad3d82
+  foreach ($libraries as &$library) {
     $library += $common;
+  }
   return $libraries;
+}
 /**
  * Theme callback used to identify when we are in a popup dialog.
+ *
  * Generally the default theme will look terrible in the media browser. This
  * will default to the administration theme, unless set otherwise.
  */
 function media_dialog_get_theme_name() {
-            ca0757b9
+  return variable_get('media_dialog_theme', variable_get('admin_theme'));
-ad3d82
+            Assos Assos
 /**
  * This will parse a url or embedded code into a unique URI.
+ *
  * The function will call all modules implementing hook_media_parse($url),
  * which should return either a string containing a parsed URI or NULL.
+ *
  * @NOTE The implementing modules may throw an error, which will not be caught
  * here; it's up to the calling function to catch any thrown errors.
+ *
  * @NOTE In emfield, we originally also accepted an array of regex patterns
  * to match against. However, that module used a registration for providers,
  * and simply stored the match in the database keyed to the provider object.
  * However, other than the stream wrappers, there is currently no formal
  * registration for media handling. Additionally, few, if any, stream wrappers
  * will choose to store a straight match from the parsed URL directly into
  * the URI. Thus, we leave both the matching and the final URI result to the
  * implementing module in this implementation.
+ *
  * An alternative might be to do the regex pattern matching here, and pass a
  * successful match back to the implementing module. However, that would
  * require either an overloaded function or a new hook, which seems like more
  * overhead than it's worth at this point.
+ *
  * @TODO Once hook_module_implements_alter() is in core (see the issue at
  * http://drupal.org/node/692950) we may want to implement media_media_parse()
  * to ensure we were passed a valid URL, rather than an unsupported or
  * malformed embed code that wasn't caught earlier. It will needed to be
  * weighted so it's called after all other streams have a go, as the fallback,
  * and will need to throw an error.
+ *
  * @param string $url
  *   The original URL or embed code to parse.
+ *
  * @return string
  *   The unique URI for the file, based on its stream wrapper, or NULL.
+ *
  * @see media_parse_to_file()
  * @see media_add_from_url_validate()
  */
 function media_parse_to_uri($url) {
   // Trim any whitespace before parsing.
   $url = trim($url);
   foreach (module_implements('media_parse') as $module) {
     $success = module_invoke($module, 'media_parse', $url);
-            bf3c8457
+    $context = array(
       'url' => $url,
       'module' => $module,
     );
     drupal_alter('media_parse', $success, $context);
-ad3d82
+    if (isset($success)) {
       return $success;
+    }
+  }
+}
 /**
  * Parse a URL or embed code and return a file object.
+ *
  * If a remote stream doesn't claim the parsed URL in media_parse_to_uri(),
  * then we'll copy the file locally.
+ *
  * @NOTE The implementing modules may throw an error, which will not be caught
  * here; it's up to the calling function to catch any thrown errors.
+ *
  * @see media_parse_to_uri()
  * @see media_add_from_url_submit()
  */
-e073
+function media_parse_to_file($url, $params = array()) {
-ad3d82
+  try {
     $uri = media_parse_to_uri($url);
+  }
   catch (Exception $e) {
     // Pass the error along.
     throw $e;
     return;
+  }
   if (isset($uri)) {
     // Attempt to load an existing file from the unique URI.
     $select = db_select('file_managed', 'f')
-            29771811
+      ->extend('PagerDefault')
       ->fields('f', array('fid'))
       ->condition('uri', $uri);
-ad3d82
+            Assos Assos
     $fid = $select->execute()->fetchCol();
     if (!empty($fid)) {
       $file = file_load(array_pop($fid));
       return $file;
+    }
+  }
   if (isset($uri)) {
     // The URL was successfully parsed to a URI, but does not yet have an
     // associated file: save it!
     $file = file_uri_to_object($uri);
     file_save($file);
+  }
   else {
     // The URL wasn't parsed. We'll try to save a remote file.
     // Copy to temporary first.
     $source_uri = file_stream_wrapper_uri_normalize('temporary://' . basename($url));
     if (!@copy(@$url, $source_uri)) {
       throw new Exception('Unable to add file ' . $url);
+    }
     $source_file = file_uri_to_object($source_uri);
-            29771811
+    if (isset($params['to_directory'])) {
-e073
+      $scheme = variable_get('file_default_scheme', 'public') . '://' . $params['to_directory'] . '/';
+    }
     else{
       $scheme = variable_get('file_default_scheme', 'public') . '://';
+    }
-ad3d82
+    $uri = file_stream_wrapper_uri_normalize($scheme . $source_file->filename);
     // Now to its new home.
-e073
+    file_prepare_directory($scheme, FILE_CREATE_DIRECTORY || FILE_MODIFY_PERMISSIONS);
-ad3d82
+    $file = file_move($source_file, $uri, FILE_EXISTS_RENAME);
+  }
   return $file;
+}
 /**
-fa03d70
+ * Custom implementation of array_walk_recursive() that works around a crash
  * some users have been experiencing with that function in PHP 7.
-ad3d82
+            Assos Assos
-fa03d70
+ * @see https://www.drupal.org/project/media/issues/2998097
-ad3d82
+ */
-fa03d70
+function media_array_walk_recursive(&$array) {
   foreach ($array as $key => $value) {
     if (is_array($array[$key])) {
       media_array_walk_recursive($array[$key]);
+    }
     else {
       $array[$key] = check_plain($array[$key]);
+    }
+  }
-ad3d82
+            Assos Assos
 /**
  * Implements hook_element_info().
  */
 function media_element_info() {
   $types['media'] = array(
     '#input' => TRUE,
     '#process' => array('media_element_process'),
-            ca0757b9
+    '#value_callback' => 'media_file_value',
-ad3d82
+    '#element_validate' => array('media_element_validate'),
-            ca0757b9
+    '#pre_render' => array('media_element_pre_render'),
-            a2bb1a14
+    '#theme' => 'media_widget',
-            ca0757b9
+    '#theme_wrappers' => array('form_element'),
     '#size' => 22,
-ad3d82
+    '#extended' => FALSE,
     '#media_options' => array(
       'global' => array(
         // Example: array('image', 'audio');
         'types' => array(),
         // Example: array('http', 'ftp', 'flickr');
         'schemes' => array(),
       ),
     ),
     '#attached' => array(
       'library' => array(
         array('media', 'media_browser'),
       ),
     ),
   );
-            ca0757b9
+            Assos Assos
   $setting = array();
   $setting['media']['global'] = $types['media']['#media_options'];
   $types['media']['#attached']['js'][] = array(
     'type' => 'setting',
     'data' => $setting,
   );
-ad3d82
+  return $types;
+}
 /**
  * Process callback for the media form element.
  */
-            ca0757b9
+function media_element_process($element, &$form_state, $form) {
-ad3d82
+  ctools_include('modal');
   ctools_include('ajax');
   ctools_modal_add_js();
-            bf3c8457
+            Florent Torregrosa
   // Append the '-upload' to the #id so the field label's 'for' attribute
   // corresponds with the textfield element.
   $original_id = $element['#id'];
   $element['#id'] .= '-upload';
-            ca0757b9
+  $fid = isset($element['#value']['fid']) ? $element['#value']['fid'] : 0;
-ad3d82
+            Assos Assos
   // Set some default element properties.
-            ca0757b9
+  $element['#file'] = $fid ? file_load($fid) : FALSE;
   $element['#tree'] = TRUE;
   $ajax_settings = array(
     'path' => 'media/ajax/' . implode('/', $element['#array_parents']) . '/' . $form['form_build_id']['#value'],
-            bf3c8457
+    'wrapper' => $original_id . '-ajax-wrapper',
-            ca0757b9
+    'effect' => 'fade',
   );
   // Set up the buttons first since we need to check if they were clicked.
   $element['attach_button'] = array(
     '#name' => implode('_', $element['#parents']) . '_attach_button',
     '#type' => 'submit',
     '#value' => t('Attach'),
     '#validate' => array(),
     '#submit' => array('media_file_submit'),
     '#limit_validation_errors' => array($element['#parents']),
     '#ajax' => $ajax_settings,
     '#attributes' => array('class' => array('attach')),
     '#weight' => -1,
-ad3d82
+  );
   $element['preview'] = array(
-            ca0757b9
+    'content' => array(),
     '#prefix' => '<div class="preview">',
-ad3d82
+    '#suffix' => '</div>',
-            ca0757b9
+    '#ajax' => $ajax_settings,
     '#weight' => -10,
-ad3d82
+  );
-            ca0757b9
+  // Substitute the JS preview for a true file thumbnail once the file is
   // attached.
   if ($fid && $element['#file']) {
     $element['preview']['content'] = media_get_thumbnail_preview($element['#file']);
+  }
   // The file ID field itself.
   $element['upload'] = array(
     '#name' => 'media[' . implode('_', $element['#parents']) . ']',
     '#type' => 'textfield',
     '#title' => t('Enter the ID of an existing file'),
     '#title_display' => 'invisible',
     '#field_prefix' => t('File ID'),
     '#size' => $element['#size'],
     '#theme_wrappers' => array(),
     '#attributes' => array('class' => array('upload')),
     '#weight' => -9,
   );
   $element['browse_button'] = array(
-ad3d82
+    '#type' => 'link',
     '#href' => '',
-            ca0757b9
+    '#title' => t('Browse'),
     '#attributes' => array('class' => array('button', 'browse', 'element-hidden')),
-ad3d82
+    '#options' => array('fragment' => FALSE, 'external' => TRUE),
-            ca0757b9
+    '#weight' => -8,
-ad3d82
+  );
-            ca0757b9
+            Assos Assos
   // Force the progress indicator for the remove button to be either 'none' or
   // 'throbber', even if the upload button is using something else.
   $ajax_settings['progress']['type'] = 'throbber';
   $ajax_settings['progress']['message'] = NULL;
   $ajax_settings['effect'] = 'none';
-ad3d82
+  $element['edit'] = array(
     '#type' => 'link',
     '#href' => 'media/' . $fid . '/edit/nojs',
     '#title' => t('Edit'),
     '#attributes' => array(
       'class' => array(
         // Required for CTools modal to work.
-ccfec7f
+        'ctools-use-modal',
-ad3d82
+        'ctools-modal-media-file-edit', 'button', 'edit',
       ),
     ),
     '#weight' => 20,
-            ca0757b9
+    '#access' => $element['#file'] ? file_entity_access('update', $element['#file']) : FALSE,
-ad3d82
+  );
-e063
+            Assos Assos
   // If we have parent entity form/source langcodes, pass them in query. They
   // will be used in
   /* @see media_file_edit_modal() */
   if (!empty($element['#media_parent_entity_form_langcode'])) {
     $element['edit']['#options']['query']['media_parent_entity_form_langcode'] = $element['#media_parent_entity_form_langcode'];
     if (!empty($element['#media_parent_entity_source_langcode'])) {
       $element['edit']['#options']['query']['media_parent_entity_source_langcode'] = $element['#media_parent_entity_source_langcode'];
+    }
+  }
-            ca0757b9
+  $element['remove_button'] = array(
     '#name' => implode('_', $element['#parents']) . '_remove_button',
     '#type' => 'submit',
     '#value' => t('Remove'),
     '#validate' => array(),
     '#submit' => array('media_file_submit'),
     '#limit_validation_errors' => array($element['#parents']),
     '#ajax' => $ajax_settings,
     '#attributes' => array('class' => array('remove')),
     '#weight' => 0,
-ad3d82
+  );
   $element['fid'] = array(
     '#type' => 'hidden',
     '#value' => $fid,
     '#attributes' => array('class' => array('fid')),
   );
   // Media browser attach code.
   $element['#attached']['js'][] = drupal_get_path('module', 'media') . '/js/media.js';
-d55c
+  // IDs of form elements are 'unstable' in Drupal because of drupal_html_id
   // add a class for our Javascript instead.
   $element_js_class = drupal_html_class('js-media-element-' . $element['#id']);
   $element['upload']['#attributes']['class'][] = $element_js_class;
-c412d
+  // Cache the media options and pass the cache ID as a JavaScript setting.
   $cid = drupal_get_token(drupal_random_bytes(32));
   cache_set('media_options:' . $cid, $element['#media_options']['global'], 'cache_form', REQUEST_TIME + 21600);
-            ca0757b9
+  $element['browse_button']['#attached']['js'] = array(
     array(
       'type' => 'setting',
-c412d
+      'data' => array('media' => array('elements' => array('.' . $element_js_class => array('global' => array('options' => $cid))))),
-            ca0757b9
+            Assos Assos
-ad3d82
+  );
-            bf3c8457
+  $element['#attached']['library'][] = array('media', 'media_browser');
   $element['#attached']['library'][] = array('media', 'media_browser_settings');
-ad3d82
+            Assos Assos
-            ca0757b9
+  // Prefix and suffix used for Ajax replacement.
-            bf3c8457
+  $element['#prefix'] = '<div id="' . $original_id . '-ajax-wrapper">';
-            ca0757b9
+  $element['#suffix'] = '</div>';
-ad3d82
+  return $element;
-            ca0757b9
+            Assos Assos
 /**
  * Implements hook_form_FORM_ID_alter().
  */
 function media_form_file_entity_edit_alter(&$form, &$form_state) {
   // Make adjustments to the file edit form when used in a CTools modal.
   if (!empty($form_state['ajax'])) {
     // Remove the preview and the delete button.
     $form['preview']['#access'] = FALSE;
     $form['actions']['delete']['#access'] = FALSE;
     // Convert the cancel link to a button which triggers a modal close.
     $form['actions']['cancel']['#attributes']['class'][] = 'button';
     $form['actions']['cancel']['#attributes']['class'][] = 'button-no';
     $form['actions']['cancel']['#attributes']['class'][] = 'ctools-close-modal';
+  }
+}
 /**
  * The #value_callback for a media type element.
  */
 function media_file_value(&$element, $input = FALSE, $form_state = NULL) {
   $fid = 0;
   // Find the current value of this field from the form state.
   $form_state_fid = $form_state['values'];
   foreach ($element['#parents'] as $parent) {
     $form_state_fid = isset($form_state_fid[$parent]) ? $form_state_fid[$parent] : 0;
+  }
   if ($element['#extended'] && isset($form_state_fid['fid'])) {
     $fid = $form_state_fid['fid'];
+  }
   elseif (is_numeric($form_state_fid)) {
     $fid = $form_state_fid;
+  }
   // Process any input and attach files.
   if ($input !== FALSE) {
     $return = $input;
     // Attachments take priority over all other values.
     if ($file = media_attach_file($element)) {
       $fid = $file->fid;
+    }
     else {
       // Check for #filefield_value_callback values.
       // Because FAPI does not allow multiple #value_callback values like it
       // does for #element_validate and #process, this fills the missing
       // functionality to allow File fields to be extended through FAPI.
       if (isset($element['#file_value_callbacks'])) {
         foreach ($element['#file_value_callbacks'] as $callback) {
           $callback($element, $input, $form_state);
+        }
+      }
       // Load file if the FID has changed to confirm it exists.
       if (isset($input['fid']) && $file = file_load($input['fid'])) {
         $fid = $file->fid;
+      }
+    }
+  }
   // If there is no input, set the default value.
   else {
     if ($element['#extended']) {
       $default_fid = isset($element['#default_value']['fid']) ? $element['#default_value']['fid'] : 0;
       $return = isset($element['#default_value']) ? $element['#default_value'] : array('fid' => 0);
+    }
     else {
       $default_fid = isset($element['#default_value']) ? $element['#default_value'] : 0;
       $return = array('fid' => 0);
+    }
     // Confirm that the file exists when used as a default value.
     if ($default_fid && $file = file_load($default_fid)) {
       $fid = $file->fid;
+    }
+  }
   $return['fid'] = $fid;
   return $return;
-ad3d82
+            Assos Assos
 /**
  * Validate media form elements.
+ *
  * The file type is validated during the upload process, but this is necessary
  * necessary in order to respect the #required property.
  */
 function media_element_validate(&$element, &$form_state) {
-            ca0757b9
+  $clicked_button = end($form_state['triggering_element']['#parents']);
   // Check required property based on the FID.
   if ($element['#required'] && empty($element['fid']['#value']) && !in_array($clicked_button, array('attach_button', 'remove_button'))) {
     form_error($element['browse_button'], t('!name field is required.', array('!name' => $element['#title'])));
+  }
   // Consolidate the array value of this field to a single FID.
   if (!$element['#extended']) {
     form_set_value($element, $element['fid']['#value'], $form_state);
+  }
+}
 /**
  * Form submission handler for attach / remove buttons of media elements.
+ *
  * @see media_element_process()
  */
 function media_file_submit($form, &$form_state) {
   // Determine whether it was the attach or remove button that was clicked, and
   // set $element to the managed_file element that contains that button.
   $parents = $form_state['triggering_element']['#array_parents'];
   $button_key = array_pop($parents);
   $element = drupal_array_get_nested_value($form, $parents);
   // No action is needed here for the attach button, because all media
   // attachments on the form are processed by media_file_value() regardless of
   // which button was clicked. Action is needed here for the remove button,
   // because we only remove a file in response to its remove button being
   // clicked.
   if ($button_key == 'remove_button') {
     // If it's a temporary file we can safely remove it immediately, otherwise
     // it's up to the implementing module to clean up files that are in use.
     if ($element['#file'] && $element['#file']->status == 0) {
       file_delete($element['#file']);
-ad3d82
+            Assos Assos
-            ca0757b9
+    // Update both $form_state['values'] and $form_state['input'] to reflect
     // that the file has been removed, so that the form is rebuilt correctly.
     // $form_state['values'] must be updated in case additional submit handlers
     // run, and for form building functions that run during the rebuild, such as
     // when the media element is part of a field widget.
     // $form_state['input'] must be updated so that media_file_value() has
     // correct information during the rebuild.
     $values_element = $element['#extended'] ? $element['fid'] : $element;
     form_set_value($values_element, NULL, $form_state);
     drupal_array_set_nested_value($form_state['input'], $values_element['#parents'], NULL);
-ad3d82
+            Assos Assos
-            ca0757b9
+            Assos Assos
   // Set the form to rebuild so that $form is correctly updated in response to
   // processing the file removal. Since this function did not change $form_state
   // if the upload button was clicked, a rebuild isn't necessary in that
   // situation and setting $form_state['redirect'] to FALSE would suffice.
   // However, we choose to always rebuild, to keep the form processing workflow
   // consistent between the two buttons.
   $form_state['rebuild'] = TRUE;
-ad3d82
+            Assos Assos
 /**
-            ca0757b9
+ * Attaches any files that have been referenced by a media element.
+ *
  * @param $element
  *   The FAPI element whose files are being attached.
+ *
  * @return
  *   The file object representing the file that was attached, or FALSE if no
  *   file was attached.
-ad3d82
+ */
-            ca0757b9
+function media_attach_file($element) {
   $upload_name = implode('_', $element['#parents']);
   if (empty($_POST['media'][$upload_name])) {
     return FALSE;
+  }
-ad3d82
+            Assos Assos
-            ca0757b9
+  if (!$file = file_load($_POST['media'][$upload_name])) {
     watchdog('file', 'The file upload failed. %upload', array('%upload' => $upload_name));
     form_set_error($upload_name, t('The file in the !name field was unable to be uploaded.', array('!name' => $element['#title'])));
     return FALSE;
-ad3d82
+            Assos Assos
-            ca0757b9
+  return $file;
+}
 /**
  * Returns HTML for a managed file element.
+ *
  * @param $variables
  *   An associative array containing:
  *   - element: A render element representing the file.
+ *
  * @ingroup themeable
  */
 function theme_media_element($variables) {
   $element = $variables['element'];
   $attributes = array();
   if (isset($element['#id'])) {
     $attributes['id'] = $element['#id'];
+  }
   if (!empty($element['#attributes']['class'])) {
     $attributes['class'] = (array) $element['#attributes']['class'];
+  }
   $attributes['class'][] = 'form-media';
   // This wrapper is required to apply JS behaviors and CSS styling.
   $output = '';
   $output .= '<div' . drupal_attributes($attributes) . '>';
   $output .= drupal_render_children($element);
   $output .= '</div>';
   return $output;
+}
 /**
  * #pre_render callback to hide display of the browse/attach or remove controls.
+ *
  * Browse/attach controls are hidden when a file is already attached.
  * Remove controls are hidden when there is no file attached. Controls are
  * hidden here instead of in media_element_process(), because #access for these
  * buttons depends on the media element's #value. See the documentation of
  * form_builder() for more detailed information about the relationship between
  * #process, #value, and #access.
+ *
  * Because #access is set here, it affects display only and does not prevent
  * JavaScript or other untrusted code from submitting the form as though access
  * were enabled. The form processing functions for these elements should not
  * assume that the buttons can't be "clicked" just because they are not
  * displayed.
+ *
  * @see media_element_process()
  * @see form_builder()
  */
 function media_element_pre_render($element) {
   // If we already have a file, we don't want to show the browse and attach
   // controls.
   if (!empty($element['#value']['fid'])) {
     $element['upload']['#access'] = FALSE;
     $element['browse_button']['#access'] = FALSE;
     $element['attach_button']['#access'] = FALSE;
+  }
   // If we don't already have a file, there is nothing to remove.
   else {
     $element['remove_button']['#access'] = FALSE;
+  }
   return $element;
-ad3d82
+            Assos Assos
 /**
-            bf3c8457
+ * Generates a thumbnail preview of a file.
-ad3d82
+            Assos Assos
-            bf3c8457
+ * Provides default fallback images if an image of the file cannot be generated.
-ad3d82
+            Assos Assos
  * @param object $file
  *   A Drupal file object.
-            bf3c8457
+ * @param boolean $link
  *   (optional) Boolean indicating whether the thumbnail should be linked to the
  *   file. Defaults to FALSE.
  * @param string $view_mode
  *   (optional) The view mode to use when rendering the thumbnail. Defaults to
  *   'preview'.
-ad3d82
+            Assos Assos
  * @return array
-            bf3c8457
+ *   Renderable array suitable for drupal_render() with the necessary classes
  *   and CSS to support a media thumbnail.
-ad3d82
+ */
-            bf3c8457
+function media_get_thumbnail_preview($file, $link = FALSE, $view_mode = 'preview') {
-ad3d82
+  // If a file has an invalid type, allow file_view_file() to work.
   if (!file_type_is_enabled($file->type)) {
     $file->type = file_get_type($file);
+  }
-            ca0757b9
+            Assos Assos
-            bf3c8457
+  $preview = file_view_file($file, $view_mode);
-ad3d82
+  $preview['#show_names'] = TRUE;
   $preview['#add_link'] = $link;
   $preview['#theme_wrappers'][] = 'media_thumbnail';
-            ca0757b9
+  $preview['#attached']['css'][] = drupal_get_path('module', 'media') . '/css/media.css';
-            bf3c8457
+            Florent Torregrosa
-ad3d82
+  return $preview;
+}
 /**
  * Check that the media is one of the selected types.
+ *
  * @param object $file
  *   A Drupal file object.
  * @param array $types
  *   An array of media type names
+ *
  * @return array
  *   If the file type is not allowed, it will contain an error message.
+ *
  * @see hook_file_validate()
  */
-            ca0757b9
+function media_file_validate_types($file, $types) {
-ad3d82
+  $errors = array();
-a08
+            Assos Assos
-a0babc
+  if (!function_exists('file_entity_get_filetype_candidates')) {
     module_load_include('inc', 'file_entity', 'file_entity.pages');
+  }
-a08
+  $file_candidates = array_keys(file_entity_get_filetype_candidates($file));
   if (!array_intersect($file_candidates, $types)) {
-ad3d82
+    $errors[] = t('Only the following types of files are allowed to be uploaded: %types-allowed', array('%types-allowed' => implode(', ', $types)));
+  }
   return $errors;
+}
 /**
  * Implements hook_file_displays_alter().
  */
 function media_file_displays_alter(&$displays, $file, $view_mode) {
   if ($view_mode == 'preview' && empty($displays)) {
     // We re in the media browser and this file has no formatters enabled.
     // Instead of letting it go through theme_file_link(), pass it through
     // theme_media_formatter_large_icon() to get our cool file icon instead.
     $displays['file_field_media_large_icon'] = array(
       'weight' => 0,
       'status' => 1,
       'settings' => NULL,
     );
+  }
-            ca0757b9
+  // Alt and title are special.
   // @see file_entity_file_load
   $alt = variable_get('file_entity_alt', '[file:field_file_image_alt_text]');
   $title = variable_get('file_entity_title', '[file:field_file_image_title_text]');
   $replace_options = array(
     'clear' => TRUE,
     'sanitize' => FALSE,
   );
   // Load alt and title text from fields.
   if (!empty($alt)) {
-            fc3d89c3
+    $file->alt = decode_entities(token_replace($alt, array('file' => $file), $replace_options));
-            ca0757b9
+            Assos Assos
   if (!empty($title)) {
-            fc3d89c3
+    $file->title = decode_entities(token_replace($title, array('file' => $file), $replace_options));
-            ca0757b9
+            Assos Assos
-fa03d70
+            Assos Assos
   // Reduce memory footprint and response size in media browser.
   $file->file_contents = '';
-ad3d82
+            Assos Assos
 /**
-            ca0757b9
+ * For sanity in grammar.
+ *
  * @see media_set_browser_params()
-ad3d82
+ */
-            ca0757b9
+function media_get_browser_params() {
   return media_set_browser_params();
+}
-ad3d82
+            Assos Assos
-            ca0757b9
+/**
  * Provides a singleton of the params passed to the media browser.
+ *
  * This is useful in situations like form alters because callers can pass
  * id="wysiywg_form" or whatever they want, and a form alter could pick this up.
  * We may want to change the hook_media_browser_plugin_view() implementations to
  * use this function instead of being passed params for consistency.
+ *
  * It also offers a chance for some meddler to meddle with them.
+ *
  * @see media_browser()
  */
 function media_set_browser_params() {
   $params = &drupal_static(__FUNCTION__, array());
   if (empty($params)) {
     // Build out browser settings. Permissions- and security-related behaviors
     // should not rely on these parameters, since they come from the HTTP query.
-c412d
+    // There are two ways of passing secure data:
     // - Store the options in the 'cache_form' cache bin, using a random key
     //   prefixed with 'media_options:'. Pass the random key in the 'options'
     //   query argument.
     // - Inject the options by altering the browser parameters.
     //   @see hook_media_browser_params_alter()
     $params = drupal_get_query_parameters();
-            b1ab1c0c
+    // Filter out everything except a whitelist of known safe options.
     $safe_options = array(
-a0babc
+      'enabledPlugins',
-            b1ab1c0c
+      'fid',
       'id',
       'multiselect',
-a08
+      'field',
-            b1ab1c0c
+      'options',
       'plugins',
       'render',
       'types',
-            d3a59f55
+      'render_multi_edit_form',
-c412d
+    );
-            b1ab1c0c
+    $params = array_intersect_key($params, array_flip($safe_options));
-c412d
+            Assos Assos
-a08
+    // If the cache is present, use its values instead of the GET parameters.
-c412d
+    if (!empty($params['options']) && is_string($params['options']) && $options = cache_get('media_options:' . $params['options'], 'cache_form')) {
-a08
+      $params = $options->data;
-c412d
+            Assos Assos
-ad3d82
+            Assos Assos
-            ca0757b9
+    // Transform text 'true' and 'false' to actual booleans.
     foreach ($params as $k => $v) {
       if ($v === 'true') {
         $params[$k] = TRUE;
+      }
       elseif ($v === 'false') {
         $params[$k] = FALSE;
+      }
+    }
-ad3d82
+            Assos Assos
-fa03d70
+    media_array_walk_recursive($params);
-            ca0757b9
+            Assos Assos
-c412d
+    // Provide some default parameters.
     $params += array(
       'types' => array(),
       'multiselect' => FALSE,
     );
-            ca0757b9
+    // Allow modules to alter the parameters.
     drupal_alter('media_browser_params', $params);
-ad3d82
+            Assos Assos
-            ca0757b9
+  return $params;
-ad3d82
+            Assos Assos
 /**
  * Implements hook_ctools_plugin_api().
+ *
  * Lets CTools know which plugin APIs are implemented by Media module.
  */
 function media_ctools_plugin_api($module, $api) {
   if ($module == 'file_entity' && $api == 'file_default_displays') {
     return array(
       'version' => 1,
     );
+  }
+}
 /**
  * Implements hook_form_FORM_ID_alter().
+ *
  * This alter enhances the default admin/content/file page, addding JS and CSS.
  * It also makes modifications to the thumbnail view by replacing the existing
  * checkboxes and table with thumbnails.
  */
 function media_form_file_entity_admin_file_alter(&$form, $form_state) {
   if (!empty($form_state['values']['operation'])) {
     // The form is being rebuilt because an operation requiring confirmation
     // We don't want to be messing with it in this case.
     return;
+  }
   // Add the "Add file" local action, and notify users if they have files
   // selected and they try to switch between the "Thumbnail" and "List" local
   // tasks.
   $path = drupal_get_path('module', 'media');
   $form['#attributes']['class'][] = 'file-entity-admin-file-form';
   $form['#attached']['js'][] = $path . '/js/media.admin.js';
   $form['#attached']['css'][] = $path . '/css/media.css';
   // By default, this form contains a table select element called "files". For
   // the 'thumbnails' tab, Media generates a thumbnail for each file and
   // replaces the tableselect with a grid of thumbnails.
   if (arg(3) == 'thumbnails') {
-            ca0757b9
+    if (empty($form['admin']['files']['#options'])) {
-ad3d82
+      // Display empty text if there are no files.
       $form['admin']['files'] = array(
-            ca0757b9
+        '#markup' => '<p>' . $form['admin']['files']['#empty'] . '</p>',
-ad3d82
+      );
+    }
     else {
       $files = file_load_multiple(array_keys($form['admin']['files']['#options']));
       $form['admin']['files'] = array(
         '#tree' => TRUE,
         '#prefix' => '<div class="media-display-thumbnails media-clear clearfix"><ul id="media-browser-library-list" class="media-list-thumbnails">',
         '#suffix' => '</ul></div>',
       );
       foreach ($files as $file) {
         $preview = media_get_thumbnail_preview($file, TRUE);
         $form['admin']['files'][$file->fid] = array(
           '#type' => 'checkbox',
           '#title' => '',
           '#prefix' => '<li>' . drupal_render($preview),
           '#suffix' => '</li>',
         );
+      }
+    }
+  }
+}
 /**
  * Implements hook_views_api().
  */
 function media_views_api() {
   return array(
     'api' => 3,
     'path' => drupal_get_path('module', 'media'),
   );
+}
 /**
  * Implements hook_views_default_views().
  */
 function media_views_default_views() {
   return media_load_all_exports('media', 'views', 'view.inc', 'view');
+}
 /**
  * Fetches an array of exportables from files.
+ *
  * @param string $module
  *   The module invoking this request. (Can be called by other modules.)
  * @param string $directory
  *   The subdirectory in the custom module.
  * @param string $extension
  *   The file extension.
  * @param string $name
  *   The name of the variable found in each file. Defaults to the same as
  *   $extension.
+ *
  * @return array
  *   Array of $name objects.
  */
 function media_load_all_exports($module, $directory, $extension, $name = NULL) {
   if (!$name) {
     $name = $extension;
+  }
   $return = array();
   // Find all the files in the directory with the correct extension.
   $files = file_scan_directory(drupal_get_path('module', $module) . "/$directory", "/.$extension/");
   foreach ($files as $path => $file) {
     require $path;
     if (isset($$name)) {
       $return[$$name->name] = $$name;
+    }
+  }
   return $return;
+}
 /**
  * Returns metadata describing Media browser plugins.
+ *
-            bf3c8457
+ * @return
  *   An associative array of plugin information, keyed by plugin.
+ *
-ad3d82
+ * @see hook_media_browser_plugin_info()
  * @see hook_media_browser_plugin_info_alter()
  */
 function media_get_browser_plugin_info() {
   $info = &drupal_static(__FUNCTION__);
   if (!isset($info)) {
-            bf3c8457
+    $info = module_invoke_all('media_browser_plugin_info');
     drupal_alter('media_browser_plugin_info', $info);
-ad3d82
+            Assos Assos
   return $info;
+}
-            ca0757b9
+/**
  * Gets the MIME type mapped to a given extension.
+ *
  * @param string $extension
  *   A file extension.
+ *
  * @return string
  *   The MIME type associated with the extension or FALSE if the extension does
  *   not have an associated MIME type.
+ *
  * @see file_mimetype_mapping()
  */
 function media_get_extension_mimetype($extension) {
   include_once DRUPAL_ROOT . '/includes/file.mimetypes.inc';
   $mimetype_mappings = file_mimetype_mapping();
   if (isset($mimetype_mappings['extensions'][$extension])) {
     $id = $mimetype_mappings['extensions'][$extension];
     return $mimetype_mappings['mimetypes'][$id];
+  }
   else {
     return FALSE;
+  }
+}
-ad3d82
+/**
  * Helper function to get a list of local stream wrappers.
  */
 function media_get_local_stream_wrappers() {
   return file_get_stream_wrappers(STREAM_WRAPPERS_LOCAL_NORMAL);
+}
 /**
  * Helper function to get a list of remote stream wrappers.
  */
 function media_get_remote_stream_wrappers() {
   $wrappers = file_get_stream_wrappers();
   $wrappers = array_diff_key($wrappers, file_get_stream_wrappers(STREAM_WRAPPERS_LOCAL_NORMAL));
   $wrappers = array_diff_key($wrappers, file_get_stream_wrappers(STREAM_WRAPPERS_LOCAL_HIDDEN));
   return $wrappers;
+}

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root / drupal7 / sites / all / modules / media / media.module @ e4215af7