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<?php
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/**
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* @file
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* File formatters for YouTube videos.
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*/
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/**
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* Implements hook_file_formatter_info().
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*/
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function media_youtube_file_formatter_info() {
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$formatters['media_youtube_video'] = array(
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'label' => t('YouTube Video'),
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'file types' => array('video'),
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'default settings' => array(
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'width' => 640,
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'height' => 390,
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'autohide' => 2,
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'autoplay' => FALSE,
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'color' => 'red',
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'enablejsapi' => FALSE,
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'loop' => FALSE,
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'modestbranding' => FALSE,
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'nocookie' => FALSE,
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'origin' => '',
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'protocol' => 'https:',
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'protocol_specify' => FALSE,
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'rel' => TRUE,
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'showinfo' => TRUE,
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'theme' => 'dark',
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'captions' => FALSE,
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),
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'view callback' => 'media_youtube_file_formatter_video_view',
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'settings callback' => 'media_youtube_file_formatter_video_settings',
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'mime types' => array('video/youtube'),
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);
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$formatters['media_youtube_image'] = array(
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'label' => t('YouTube Preview Image'),
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'file types' => array('video'),
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'default settings' => array(
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'image_style' => '',
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),
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'view callback' => 'media_youtube_file_formatter_image_view',
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'settings callback' => 'media_youtube_file_formatter_image_settings',
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'mime types' => array('video/youtube'),
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);
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return $formatters;
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}
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/**
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* Implements hook_file_formatter_FORMATTER_view().
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*/
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function media_youtube_file_formatter_video_view($file, $display, $langcode) {
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$scheme = file_uri_scheme($file->uri);
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// WYSIWYG does not yet support video inside a running editor instance.
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if ($scheme == 'youtube' && empty($file->override['wysiwyg'])) {
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$element = array(
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'#theme' => 'media_youtube_video',
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'#uri' => $file->uri,
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'#options' => array(),
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);
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// Fake a default for attributes so the ternary doesn't choke.
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$display['settings']['attributes'] = array();
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foreach (array('width', 'height', 'autohide', 'autoplay', 'color', 'enablejsapi', 'loop', 'modestbranding', 'nocookie', 'origin', 'protocol', 'protocol_specify', 'rel', 'showinfo', 'theme', 'attributes', 'captions') as $setting) {
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$element['#options'][$setting] = isset($file->override[$setting]) ? $file->override[$setting] : $display['settings'][$setting];
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}
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return $element;
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}
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}
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/**
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* Implements hook_file_formatter_FORMATTER_settings().
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*/
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function media_youtube_file_formatter_video_settings($form, &$form_state, $settings) {
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$element = array();
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$element['width'] = array(
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'#title' => t('Width'),
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'#type' => 'textfield',
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'#default_value' => $settings['width'],
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'#element_validate' => array('_youtube_validate_video_width_and_height'),
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);
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$element['height'] = array(
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'#title' => t('Height'),
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'#type' => 'textfield',
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'#default_value' => $settings['height'],
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'#element_validate' => array('_youtube_validate_video_width_and_height'),
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);
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// @see https://developers.google.com/youtube/player_parameters#Parameters
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// Multiple options.
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$element['theme'] = array(
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'#title' => t('Player theme'),
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'#type' => 'radios',
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'#options' => array(
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'dark' => t('Dark'),
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'light' => t('Light'),
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),
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'#default_value' => $settings['theme'],
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);
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$element['color'] = array(
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'#title' => t('Progress bar color'),
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'#type' => 'radios',
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'#options' => array(
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'red' => t('Red'),
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'white' => t('White'),
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),
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'#default_value' => $settings['color'],
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);
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$element['autohide'] = array(
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'#title' => t('Controls during playback'),
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'#type' => 'radios',
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'#options' => array(
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'0' => t('Keep progress bar and player controls on screen while playing'),
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'2' => t('Hide progress bar while playing'),
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'1' => t('Hide progress bar and player controls'),
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),
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'#default_value' => $settings['autohide'],
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);
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$element['captions'] = array(
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'#title' => t('Captions displaying options'),
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'#type' => 'radios',
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'#options' => array(
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'0' => t('Turns captions off by default'),
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'1' => t('Turns captions on by default'),
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'2' => t('Turns captions on and set the caption language for the video by default'),
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),
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'#default_value' => $settings['captions'],
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);
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// Single Options.
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$element['autoplay'] = array(
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'#title' => t('Autoplay video on load'),
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'#type' => 'checkbox',
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'#default_value' => $settings['autoplay'],
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);
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$element['loop'] = array(
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'#title' => t('Loop video'),
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'#type' => 'checkbox',
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'#default_value' => $settings['loop'],
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);
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// Note: make sure the positive/negitive language lines up with option
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// processing in media_youtube.theme.inc.
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$element['showinfo'] = array(
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'#title' => t('Display video title and uploader'),
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'#type' => 'checkbox',
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'#default_value' => $settings['showinfo'],
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);
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$element['modestbranding'] = array(
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'#title' => t('Remove YouTube logo from the control bar'),
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'#type' => 'checkbox',
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'#default_value' => $settings['modestbranding'],
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);
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$element['rel'] = array(
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'#title' => t('Show related videos when playback ends'),
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'#type' => 'checkbox',
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'#default_value' => $settings['rel'],
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);
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$element['nocookie'] = array(
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'#title' => t('Use privacy enhanced (no cookie) mode'),
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'#type' => 'checkbox',
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'#default_value' => $settings['nocookie'],
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);
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$element['protocol_specify'] = array(
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'#title' => t('Specify an http protocol'),
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'#type' => 'checkbox',
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'#default_value' => $settings['protocol_specify'],
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'#description' => t('An explicit protocol may be neccesary for videos embedded in RSS feeds and emails. If no protocol is specified, iframes will be protocol relative.'),
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);
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$element['protocol'] = array(
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'#title' => t('Iframe protocol'),
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'#type' => 'radios',
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'#default_value' => $settings['protocol'],
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'#options' => array(
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'http:' => 'http://',
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'https:' => 'https://',
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),
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'#states' => array(
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'invisible' => array(
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':input[name="displays[media_youtube_video][settings][protocol_specify]"]' => array('checked' => FALSE),
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),
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),
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);
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// JS api.
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$element['enablejsapi'] = array(
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'#title' => t('Enable the <a href="https://developers.google.com/youtube/js_api_reference">Javascript API</a>'),
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'#type' => 'checkbox',
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'#default_value' => $settings['enablejsapi'],
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'#description' => 'An id in the format <code>media-youtube-{video_id}</code> will be added to each iframe.',
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);
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$element['origin'] = array(
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'#title' => t('Origin'),
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'#type' => 'textfield',
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'#description' => t('If the Javascript API is enabled, enter your site\'s domain for added security.'),
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'#default_value' => $settings['origin'],
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'#states' => array(
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'invisible' => array(
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':input[name="displays[media_youtube_video][settings][enablejsapi]"]' => array('checked' => FALSE),
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),
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),
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'#element_validate' => array('_youtube_validate_jsapi_domain'),
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);
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return $element;
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}
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/**
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* Validation for width and height.
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*/
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function _youtube_validate_video_width_and_height($element, &$form_state, $form) {
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// Check if the value is a number with an optional decimal or percentage sign, or "auto".
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if (!empty($element['#value']) && !preg_match('/^(auto|([0-9]*(\.[0-9]+)?%?))$/', $element['#value'])) {
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form_error($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' => $element['#title'])));
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}
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}
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/**
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* Validation for Js API Origin.
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*/
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function _youtube_validate_jsapi_domain ($element, &$form_state, $form) {
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// Check if the value is a url with http/s and no trailing directories.
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if (!empty($element['#value']) && !preg_match('/^https?\:\/\/[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,4}){1,2}$/', $element['#value'])) {
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form_error($element, t('Please insert a valid domain in the format http://www.yourdomain.com'));
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}
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}
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/**
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* Implements hook_file_formatter_FORMATTER_view().
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*/
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function media_youtube_file_formatter_image_view($file, $display, $langcode) {
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$scheme = file_uri_scheme($file->uri);
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if ($scheme == 'youtube') {
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$wrapper = file_stream_wrapper_get_instance_by_uri($file->uri);
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$image_style = $display['settings']['image_style'];
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$valid_image_styles = image_style_options(FALSE);
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if (empty($image_style) || !isset($valid_image_styles[$image_style])) {
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$element = array(
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'#theme' => 'image',
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'#path' => str_replace('http:', '', $wrapper->getOriginalThumbnailPath()),
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'#alt' => isset($file->override['attributes']['alt']) ? $file->override['attributes']['alt'] : $file->filename,
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);
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}
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else {
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$element = array(
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'#theme' => 'image_style',
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'#style_name' => $image_style,
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'#path' => $wrapper->getLocalThumbnailPath(),
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'#alt' => isset($file->override['attributes']['alt']) ? $file->override['attributes']['alt'] : $file->filename,
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);
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}
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return $element;
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}
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}
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/**
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* Implements hook_file_formatter_FORMATTER_settings().
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*/
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function media_youtube_file_formatter_image_settings($form, &$form_state, $settings) {
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$element = array();
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$element['image_style'] = array(
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'#title' => t('Image style'),
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'#type' => 'select',
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'#options' => image_style_options(FALSE),
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'#default_value' => $settings['image_style'],
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'#empty_option' => t('None (original image)'),
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);
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return $element;
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}
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