first import
This commit is contained in:
Bachir Soussi Chiadmi
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<?php
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/**
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* @file media_archive/media_archive.module
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*
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* Media: Archive provides a stream wrapper and formatters for videos provided
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* by Archive, available at http://archive.org/.
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*
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* @TODO:
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* Tie in Archive API.
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* Allow editors to search for videos to display on the browser.
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* Allow editors to put in a archive username to display on the browser.
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* Allow editors to log in w/ their credentials.
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* Allow editors to upload videos to Archive.
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*/
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// A registry of variable_get defaults.
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include_once('includes/media_archive.variables.inc');
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/**
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* Create stream wrapper for Archive videos.
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*/
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function media_archive_stream_wrappers() {
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return array(
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'archive' => array(
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'name' => t('Archive videos'),
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'class' => 'MediaArchiveStreamWrapper',
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'description' => t('Videos provided by Archive.'),
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'type' => STREAM_WRAPPERS_READ_VISIBLE,
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),
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);
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}
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function media_archive_media_format_form_prepare_alter(&$form, &$form_state, $media) {
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$settings = array('autosubmit' => ($media->type == "video"));
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drupal_add_js(array('media_format_form' => $settings), 'setting');
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}
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/**
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* Implements hook_theme().
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*/
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function media_archive_theme($existing, $type, $theme, $path) {
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return array(
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'media_archive_preview_style' => array(
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'variables' => array('style_name' => NULL),
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'file' => 'media_archive.theme.inc',
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'path' => $path . '/includes/themes',
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),
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'media_archive_field_formatter_styles' => array(
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'variables' => array('element' => NULL, 'style' => NULL),
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'file' => 'media_archive.theme.inc',
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'path' => $path . '/includes/themes',
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),
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'media_archive_video' => array(
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'variables' => array('uri' => NULL, 'width' => NULL, 'height' => NULL, 'autoplay' => NULL, 'fullscreen' => NULL),
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'file' => 'media_archive.theme.inc',
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'path' => $path . '/includes/themes',
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'template' => 'media-archive-video',
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),
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'media_archive_embed' => array(
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'variables' => array('style_name' => NULL, 'uri' => NULL, 'alt' => NULL, 'title' => NULL),
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'file' => 'media_archive.theme.inc',
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'path' => $path . '/includes/themes',
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),
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'media_archive_styles' => array(
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'variables' => array('element' => NULL, 'style' => NULL),
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'file' => 'media_archive.theme.inc',
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'path' => $path . '/includes/themes',
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),
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);
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}
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/**
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* Implementation of Styles module hook_styles_register().
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*/
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function media_archive_styles_register() {
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return array(
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'MediaArchiveStyles' => array(
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'field_types' => 'file',
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'name' => t('MediaArchive'),
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'description' => t('Media Archive styles.'),
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'path' => drupal_get_path('module', 'media_archive') .'/includes',
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'file' => 'media_archive.styles.inc',
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),
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);
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}
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/**
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* Implements hook_styles_containers(). (Deprecated in version 2)
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*/
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function media_archive_styles_containers() {
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return array(
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'file' => array(
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'containers' => array(
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'media_archive' => array(
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'label' => t('Archive Styles'),
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'data' => array(
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'streams' => array(
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'archive',
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),
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'mimetypes' => array(
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'video/archive',
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),
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),
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'weight' => 0,
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'filter callback' => 'media_archive_formatter_filter',
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'themes' => array(
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'field_formatter_styles' => 'media_archive_field_formatter_styles',
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'styles' => 'media_archive_styles',
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'preview' => 'media_archive_preview_style',
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),
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'description' => t('Archive Styles will display embedded Archive videos and thumbnails to your choosing, such as by resizing, setting colors, and autoplay. You can !manage.', array('!manage' => l(t('manage your Archive styles here'), 'admin/config/media/media-archive-styles'))),
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),
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),
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),
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);
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}
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function media_archive_formatter_filter($variables) {
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if (isset($variables['object'])) {
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$object = $variables['object'];
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return (file_uri_scheme($object->uri) == 'archive') && ($object->filemime == 'video/archive');
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}
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}
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/**
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* Implementation of the File Styles module's hook_file_styles_filter().
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*/
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function media_archive_file_styles_filter($object) {
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if ((file_uri_scheme($object->uri) == 'archive') && ($object->filemime == 'video/archive')) {
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return 'media_archive';
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}
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}
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/**
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* Implements hook_styles_styles().
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*/
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function media_archive_styles_styles() {
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$styles = array(
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'file' => array(
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'containers' => array(
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'media_archive' => array(
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'styles' => array(
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'archive_thumbnail' => array(
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'name' => 'archive_thumbnail',
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'effects' => array(
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array('label' => t('Thumbnail'), 'name' => 'thumbnail', 'data' => array('thumbnail' => 1)),
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array('label' => t('Resize'), 'name' => 'resize', 'data' => array('width' => 100, 'height' => 75)),
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),
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),
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'archive_preview' => array(
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'name' => 'archive_preview',
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'effects' => array(
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array('label' => t('Autoplay'), 'name' => 'autoplay', 'data' => array('autoplay' => 1)),
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array('label' => t('Resize'), 'name' => 'resize', 'data' => array('width' => 220, 'height' => 165)),
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),
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),
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'archive_full' => array(
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'name' => 'archive_full',
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'effects' => array(
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array('label' => t('Autoplay'), 'name' => 'autoplay', 'data' => array('autoplay' => 0)),
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array('label' => t('Resize'), 'name' => 'resize', 'data' => array('width' => 640, 'height' => 480)),
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array('label' => t('Full screen'), 'name' => 'fullscreen', 'data' => array('fullscreen' => 1)),
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),
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),
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),
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),
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),
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),
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);
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// Allow any image style to be applied to the thumbnail.
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foreach (image_styles() as $style_name => $image_style) {
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$styles['file']['containers']['media_archive']['styles']['archive_thumbnail_' . $style_name] = array(
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'name' => 'archive_thumbnail_' . $style_name,
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'image_style' => $style_name,
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'effects' => array(
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array('label' => t('Thumbnail'), 'name' => 'thumbnail', 'data' => array('thumbnail' => 1)),
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),
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);
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}
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return $styles;
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}
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/**
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* Implements hook_styles_presets().
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*/
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function media_archive_styles_presets() {
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$presets = array(
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'file' => array(
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'square_thumbnail' => array(
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'media_archive' => array(
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'archive_thumbnail_square_thumbnail',
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),
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),
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'thumbnail' => array(
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'media_archive' => array(
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'archive_thumbnail',
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),
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),
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'small' => array(
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'media_archive' => array(
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'archive_preview',
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),
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),
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'large' => array(
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'media_archive' => array(
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'archive_full',
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),
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),
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'original' => array(
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'media_archive' => array(
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'archive_full',
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),
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),
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),
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);
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return $presets;
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}
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/**
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* Implements hook_media_parse().
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*
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* @todo: this might be deprecated now that we have media_internet,
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* but the hook is still being called in a couple places in media.
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*/
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function media_archive_media_parse($url, $options = array()) {
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$scheme = 'archive://';
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preg_match('@archive\.org/details/([^"\& ]+)@i', $url, $matches);
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if (isset($matches[1])) {
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$org = media_archive_embedcode_lookup($matches[1]);
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return file_stream_wrapper_uri_normalize($scheme . 'v/' . $matches[1] . '/org/' . $org);
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}
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// @TODO: Validate for malformed archive urls.
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}
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/**
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* Implements hook_media_internet_providers();
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*/
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function media_archive_media_internet_providers() {
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$path = drupal_get_path('module', 'media_archive');
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return array(
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'MediaInternetArchiveHandler' => array(
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'title' => 'archive',
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'image' => $path . '/images/stream-archive.png'
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),
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);
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}
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class MediaInternetArchiveHandler extends MediaInternetBaseHandler {
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public function claim($embedCode) {
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if (media_archive_media_parse($embedCode)) {
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return TRUE;
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}
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}
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public function validate() {
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// @todo Media module currently fails when two files try to have the same
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// URI, so catch that in the validation step. Some day, it would be nice
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// to allow it, however. See http://drupal.org/node/952422.
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$uri = media_archive_media_parse($this->embedCode);
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$existing_files = file_load_multiple(array(), array('uri' => $uri));
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if (count($existing_files)) {
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throw new MediaInternetValidationException(t('You have entered a URL for a video that is already in your library.'));
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}
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}
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public function save() {
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$file = $this->getFileObject();
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file_save($file);
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return $file;
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}
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public function getFileObject() {
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$uri = media_archive_media_parse($this->embedCode);
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//@todo: this is terribly broken in some ways because the function is really
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// made for local files which are 'real'
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return file_uri_to_object($uri);
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}
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/**
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* Returns information about the media. See http://video.search.yahoo.com/mrss.
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*
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* @return
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* If ATOM+MRSS information is available, a SimpleXML element containing
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* ATOM and MRSS elements, as per those respective specifications.
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*
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* @todo Would be better for the return value to be an array rather than a
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* SimpleXML element, but media_retrieve_xml() needs to be upgraded to
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* handle namespaces first.
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*/
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//http://archive.org/file/4035623?skin=rss
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public function getMRSS() {
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$uri = media_archive_media_parse($this->embedCode);
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$video_id = arg(1, file_uri_target($uri));
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$rss_url = url('http://gdata.archive.org/feeds/api/videos/' . $video_id, array('query' => array('v' => '2')));
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// @todo Use media_retrieve_xml() once it's upgraded to include elements
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// from all namespaces, not just the document default namespace.
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$entry = simplexml_load_file($rss_url);
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return $entry;
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}
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/**
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* Returns information about the media. See http://www.oembed.com/.
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*
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* @return
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* If oEmbed information is available, an array containing 'title', 'type',
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* 'url', and other information as specified by the oEmbed standard.
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* Otherwise, NULL.
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*/
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//http://archive.org/oembed/?url=http://archive.org/file/12345
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public function getOEmbed() {
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$uri = media_archive_media_parse($this->embedCode);
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$external_url = drupal_realpath($uri);
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$oembed_url = url('http://archive.org/oembed', array('query' => array('url' => $external_url, 'format' => 'json')));
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$response = drupal_http_request($oembed_url);
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if (!isset($response->error)) {
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return drupal_json_decode($response->data);
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}
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}
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}
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function media_archive_embedcode_lookup($video_id) {
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//http://www.archive.org/download/bavc-77620-dominotheory/bavc-77620-dominotheory_files.xml
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//<original>Domino_Theory.mpeg</original>
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// I hate this, but after reading http://data.agaric.com/node/2378 I'm
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// begining to think there isn't an easier way
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// if there isn't a better way, this needs to be done once and stored
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$url = 'http://www.archive.org/download/' . $video_id . '/' . $video_id;
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$rss_source = $url . '_files.xml';
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$rss = file_get_contents($rss_source);
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preg_match('/<original>(.+)<\/original>/', $rss, $matches);
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if (isset($matches[1])) {
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$info = pathinfo($matches[1]);
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$file_name = basename($matches[1],'.'.$info['extension']);
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return $file_name;
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}
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}
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