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				+<?php 
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				+ 
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				+/** 
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				+ * @file 
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				+ * Provides a simple field for easily embedding videos from youtube or vimeo 
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				+ * 
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				+ * This module is not intended to replace media or video - it does not allow for 
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				+ * any local storage of videos, custom players or anything else. 
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				+ * It simply allows users to embed videos from youtube and vimeo - and provides 
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				+ * hooks to allow other modules to provide more providers. 
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				+ * 
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				+ * Uses CTools Export UI to manage settings. 
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				+ * 
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				+ * @see ./plugins/export_ui/video_embed_field_export_ui.inc 
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				+ * 
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				+ * @author jec006, jdelaune 
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				+ */ 
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				+ 
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				+// Load all Field module hooks. 
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				+module_load_include('inc', 'video_embed_field', 'video_embed_field.field'); 
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				+// Load the admin forms. 
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				+module_load_include('inc', 'video_embed_field', 'video_embed_field.admin'); 
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				+// Load our default handlers. 
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				+module_load_include('inc', 'video_embed_field', 'video_embed_field.handlers'); 
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				+// Load feeds mapping hooks. 
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				+module_load_include('inc', 'video_embed_field', 'video_embed_field.feeds'); 
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				+ 
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				+/** 
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				+ * Implements hook_ctools_plugin_directory(). 
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				+ */ 
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				+function video_embed_field_ctools_plugin_directory($module, $type) { 
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				+  // Load the export_ui plugin. 
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				+  if ($type == 'export_ui') { 
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				+    return 'plugins/export_ui'; 
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				+  } 
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				+} 
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				+ 
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				+/** 
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				+ * Implements hook_ctools_plugin_api(). 
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				+ * 
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				+ * Tell CTools that we support the default_mymodule_presets API. 
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				+ */ 
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				+function video_embed_field_ctools_plugin_api($owner, $api) { 
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				+  if ($owner == 'video_embed_field' && $api == 'default_video_embed_styles') { 
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				+    return array('version' => 1); 
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				+  } 
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				+} 
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				+ 
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				+/** 
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				+ * Implements hook_default_video_styles(). 
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				+ */ 
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				+function video_embed_field_default_video_embed_styles() { 
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				+  $styles = array(); 
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				+ 
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				+  $handlers = video_embed_get_handlers(); 
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				+  // Create the normal handler. 
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				+  $normal = new stdClass(); 
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				+  $normal->disabled = FALSE; /* Edit this to true to make a default video_embed_style disabled initially */ 
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				+  $normal->api_version = 1; 
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				+  $normal->name = 'normal'; 
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				+  $normal->title = 'Normal'; 
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				+  $normal->data = array(); 
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				+ 
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				+  $teaser = new stdClass(); 
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				+  $teaser->disabled = FALSE; /* Edit this to true to make a default video_embed_style disabled initially */ 
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				+  $teaser->api_version = 1; 
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				+  $teaser->name = 'teaser'; 
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				+  $teaser->title = 'Teaser'; 
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				+  $teaser->data = array(); 
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				+ 
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				+  // Add in our settings for each of the handlers. 
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				+  foreach ($handlers as $name => $handler) { 
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				+    $normal->data[$name] = $handler['defaults']; 
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				+    $teaser->data[$name] = $handler['defaults']; 
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				+    $teaser->data[$name]['width'] = 480; 
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				+    $teaser->data[$name]['height'] = 270; 
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				+  } 
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				+ 
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				+  return array($normal, $teaser); 
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				+} 
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				+ 
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				+/** 
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				+ * Implements hook_menu(). 
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				+ */ 
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				+function video_embed_field_menu() { 
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				+  $items = array(); 
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				+ 
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				+  $items['vef/load/%'] = array( 
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				+    'title' => 'Video Embed Field - Load Video', 
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				+    'page callback' => '_video_embed_field_show_video', 
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				+    'page arguments' => array(2), 
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				+    'access callback' => TRUE, 
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				+    'type' => MENU_CALLBACK, 
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				+  ); 
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				+ 
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				+  $items['admin/config/media/vef'] = array( 
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				+    'title' => 'Video Embed Field', 
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				+    'description' => 'Video Embed Field configuration', 
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				+    'page callback' => 'system_admin_menu_block_page', 
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				+    'access arguments' => array('administer video styles'), 
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				+    'file' => 'system.admin.inc', 
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				+    'file path' => drupal_get_path('module', 'system'), 
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				+    'type' => MENU_NORMAL_ITEM, 
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				+  ); 
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				+ 
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				+  $items['admin/config/media/vef/settings'] = array( 
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				+    'title' => 'Settings', 
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				+    'description' => 'Video Embed Field module settings', 
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				+    'page callback' => 'drupal_get_form', 
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				+    'page arguments' => array('video_embed_field_settings_form'), 
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				+    'file' => 'video_embed_field.admin.inc', 
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				+    'access arguments' => array('administer video styles'), 
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				+    'type' => MENU_NORMAL_ITEM, 
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				+  ); 
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				+ 
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				+  return $items; 
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				+} 
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				+ 
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				+/** 
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				+ * Implements hook_permission(). 
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				+ */ 
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				+function video_embed_field_permission() { 
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				+  return array( 
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				+    'administer video styles' => array( 
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				+      'title' => t('Administer video styles'), 
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				+      'description' => t('Create and modify styles for embedded videos.'), 
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				+    ), 
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				+  ); 
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				+} 
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				+ 
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				+/** 
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				+ * Implements hook_theme(). 
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				+ */ 
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				+function video_embed_field_theme() { 
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				+  return array( 
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				+    // Theme functions in video_embed_field.admin.inc. 
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				+    'video_embed_field_video_style_list' => array( 
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				+      'variables' => array('styles' => NULL), 
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				+    ), 
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				+    'video_embed_field_embed_code' => array( 
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				+      'template' => 'video-embed-field-embed-code', 
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				+      'variables' => array( 
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				+        'url' => NULL, 
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				+        'style' => 'normal', 
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				+        'video_data' => array(), 
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				+      ), 
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				+    ), 
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				+    'video_embed_field_colorbox_code' => array( 
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				+      'variables' => array( 
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				+        'image_url' => NULL, 
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				+        'image_style' => 'normal', 
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				+        'image_alt' => NULL, 
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				+        'video_url' => NULL, 
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				+        'video_style' => NULL, 
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				+        'video_data' => array(), 
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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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				+ * Implements hook_views_api(). 
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				+ */ 
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				+function video_embed_field_views_api() { 
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				+  return array( 
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				+    'api' => 3, 
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				+    'path' => drupal_get_path('module', 'video_embed_field') . '/views', 
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				+  ); 
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				+} 
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				+ 
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				+/** 
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				+ * Get an array of all styles and their settings. 
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				+ * 
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				+ * @return array 
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				+ *   An array of styles keyed by the video style name (name). 
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				+ * 
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				+ * @see video_embed_field_video_style_load() 
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				+ */ 
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				+function video_embed_field_video_styles() { 
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				+  $styles = &drupal_static(__FUNCTION__); 
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				+ 
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				+  // Grab from cache or build the array. 
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				+  if (!isset($styles)) { 
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				+    // Load the style via ctools - which will handle all the caching for us - 
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				+    // Because it does a bit more logic, lets still statically cache this. 
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				+    ctools_include('export'); 
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				+    $styles = ctools_export_load_object('vef_video_styles'); 
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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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				+/** 
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				+ * Load a style by style name. May be used as a loader for menu items. 
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				+ * 
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				+ * Note that you may also use ctools_export_load_object with the key being 
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				+ * vef_video_styles 
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				+ * 
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				+ * @param string $name 
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				+ *   The name of the style. 
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				+ * 
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				+ * @return array 
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				+ *   An video style array containing the following keys: 
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				+ *   - "name": The unique video style ID. 
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				+ *   - "title": The human readable video style name. 
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				+ *   - "data": An array of video settings within this video style. 
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				+ *   If the video style name or ID is not valid, an empty array is returned. 
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				+ */ 
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				+function video_embed_field_video_style_load($name) { 
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				+  $styles = video_embed_field_video_styles(); 
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				+ 
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				+  return isset($styles[$name]) ? $styles[$name] : FALSE; 
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				+} 
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				+ 
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				+/** 
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				+ * Creates a hook that other modules can implement to get handlers. 
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				+ * 
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				+ * Can be used to add more handlers if needed - from other modules and such. 
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				+ * 
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				+ * @see hook_video_embed_handler_info 
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				+ * @see video_embed_field.api.php 
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				+ */ 
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				+function video_embed_get_handlers() { 
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				+  $handlers = &drupal_static(__FUNCTION__); 
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				+ 
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				+  if (!isset($handlers)) { 
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				+    if ($handlers = cache_get('video_embed_field_handlers')) { 
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				+      $handlers = $handlers->data; 
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				+    } 
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				+    else { 
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				+      $handlers = module_invoke_all('video_embed_handler_info'); 
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				+      drupal_alter('video_embed_handler_info', $handlers); 
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				+      cache_set('video_embed_field_handlers', $handlers); 
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				+    } 
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				+  } 
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				+ 
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				+  return $handlers; 
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				+} 
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				+ 
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				+/** 
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				+ * Retrieves the video handler for a video URL. 
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				+ * 
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				+ * @param string $url 
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				+ *   The video URL. 
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				+ * 
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				+ * @return string|bool 
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				+ *   The handler name for the URL, FALSE in case there is no handler. 
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				+ */ 
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				+function video_embed_get_handler($url) { 
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				+  // Process video URL. 
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				+  if (!stristr($url, 'http://') && !stristr($url, 'https://')) { 
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				+    $url = 'http://' . $url; 
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				+  } 
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				+  $parts = parse_url($url); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  if (!isset($parts['host'])) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    return FALSE; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  $host = $parts['host']; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  if (stripos($host, 'www.') > -1) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $host = substr($host, 4); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  $domains = _video_embed_field_get_provider_domains(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  $handlers = video_embed_get_handlers(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  if (isset($domains[$host])) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $handler_name = $domains[$host]; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $handler = $handlers[$handler_name]; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $handler['name'] = $handler_name; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    return $handler; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  else { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    return FALSE; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+} 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+/** 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * Creates a form from the player configuration options. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * @param array $defaults 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ *   The default settings for the various fields. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * @return array 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ *   The configuration form array. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ */ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+function video_embed_field_get_form($defaults) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  $form = array(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  $handlers = video_embed_get_handlers(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  foreach ($handlers as $name => $handler) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    if (isset($handler['form']) && function_exists($handler['form'])) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      $handler_defaults = isset($defaults[$name]) ? $defaults[$name] : array(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      $handler_defaults = array_merge($handler['defaults'], $handler_defaults); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      $form[$name] = call_user_func($handler['form'], $handler_defaults); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      $form[$name] += array( 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        '#type' => 'fieldset', 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        '#title' => t('@provider settings', array('@provider' => $handler['title'])), 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        '#tree' => TRUE, 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        '#element_validate' => isset($handler['form_validate']) ? array($handler['form_validate']) : array(), 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      ); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  return $form; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+} 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+/** 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * Validates the iframe CSS dimensions. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * @param array $element 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ *   The element to validate. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ */ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+function video_embed_field_validate_dimensions($element) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  if (!preg_match('/^(\d*)(px|%)?$/', $element['width']['#value'], $results)) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    form_error($element['width'], t('You should use a valid CSS value for width in @plugin plugin', array('@plugin' => $element['#title']))); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  if (!preg_match('/^(\d*)(px|%)?$/', $element['height']['#value'], $results)) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    form_error($element['height'], t('You should use a valid CSS value for height in @plugin plugin', array('@plugin' => $element['#title']))); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+} 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+/** 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * Get an array of image styles suitable for using as select list options. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * @param bool $include_empty 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ *   If TRUE a <none> option will be inserted in the options array. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * @return array 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ *   Array of image styles both key and value are set to style name. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ */ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+function video_embed_field_video_style_options($include_empty = TRUE) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  $styles = video_embed_field_video_styles(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  $options = array(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  if ($include_empty && !empty($styles)) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $options[''] = t('<none>'); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  foreach ($styles as $style) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $options[$style->name] = $style->title; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  if (empty($options)) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $options[''] = t('No defined styles'); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  return $options; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+} 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+/** 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * Implements hook_filter_info(). 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ */ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+function video_embed_field_filter_info() { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  $filters['video_embed_field'] = array( 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    'title' => t('Video Embedding'), 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    'description' => t('Replaces [VIDEO::http://www.youtube.com/watch?v=someVideoID::aVideoStyle] tags with embedded videos.'), 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    'process callback' => 'video_embed_field_filter_process', 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    'tips callback' => '_filter_video_embed_tips', 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  return $filters; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+} 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+/** 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * Implements callback_filter_tips(). 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * Provides help for the URL filter. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * @see filter_filter_info() 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ */ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+function _filter_video_embed_tips($filter, $format, $long = FALSE) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  return t('Replaces [VIDEO::http://www.youtube.com/watch?v=someVideoID::aVideoStyle] tags with embedded videos.'); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+} 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+/** 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * Video Embed Field filter process callback. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ */ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+function video_embed_field_filter_process($text, $filter, $format) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  preg_match_all('/ \[VIDEO:: ( [^\[\]]+ )* \] /x', $text, $matches); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  $tag_match = (array) array_unique($matches[1]); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  foreach ($tag_match as $tag) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $parts = explode('::', $tag); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    // Get video style. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    if (isset($parts[1])) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      $style = $parts[1]; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    else { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      $style = 'normal'; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $embed_code = theme('video_embed_field_embed_code', array('url' => $parts[0], 'style' => $style)); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $text = str_replace('[VIDEO::' . $tag . ']', $embed_code, $text); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  return $text; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+} 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+/** 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * Processes variables to format a video player. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * @param array $variables 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ *   Contains the following information: 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ *    - $url 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ *    - $style 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ *    - $video_data 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * @see video-embed.tpl.php 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ */ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+function template_preprocess_video_embed_field_embed_code(&$variables) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  // Get the handler. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  $handler = video_embed_get_handler($variables['url']); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  $variables['handler'] = $handler['name']; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  // Load the style. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  $style = video_embed_field_video_style_load($variables['style']); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  // If there was an issue load in the default style. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  if ($style == FALSE) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $style = video_embed_field_video_style_load('normal'); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  if (isset($style->data[$variables['handler']])) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $variables['style_settings'] = $style->data[$variables['handler']]; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  // Safety value for when we add new handlers and there are styles stored. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  else { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $variables['style_settings'] = $handler['defaults']; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  // Prepare the URL. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  if (!stristr($variables['url'], 'http://') && !stristr($variables['url'], 'https://')) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $variables['url'] = 'http://' . $variables['url']; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  // Prepare embed code. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  if ($handler && isset($handler['function']) && function_exists($handler['function'])) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $embed_code = call_user_func($handler['function'], $variables['url'], $variables['style_settings']); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $variables['embed_code'] = drupal_render($embed_code); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  else { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $variables['embed_code'] = l($variables['url'], $variables['url']); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  // Prepare video data. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  $variables['data'] = $variables['video_data']; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  unset($variables['video_data']); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+} 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+/** 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * Returns image style image with a link to an embedded video in colorbox. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * @param array $variables 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ *   An associative array containing: 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ *   - image_url: The image URL. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ *   - image_style: The image style to use. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ *   - image_alt: The image ALT attribute. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ *   - video_url: The video URL. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ *   - video_style: The video style to use. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ *   - video_data: An array of data about the video. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * @return string 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ *   The themed output. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * @ingroup themeable 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ */ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+function theme_video_embed_field_colorbox_code($variables) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  $path = video_embed_field_get_ajax_url($variables['video_url'], $variables['video_style']); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  $image = array( 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    '#theme' => 'image_formatter', 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    '#item' => array('uri' => $variables['image_url'], 'alt' => $variables['image_alt']), 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    '#image_style' => $variables['image_style'], 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    '#path' => $path, 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  return drupal_render($image); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+} 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+/** 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * Gets the thumbnail url for a given video url. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * @param string $url 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ *   The url of the video. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * @return string 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ *   String representing the url of the thumbnail, or FALSE on error. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ */ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+function video_embed_field_thumbnail_url($url) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  $info = FALSE; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  if ($handler = video_embed_get_handler($url)) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    if (isset($handler['thumbnail_function']) && function_exists($handler['thumbnail_function'])) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      $info = call_user_func($handler['thumbnail_function'], $url); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      $info['handler'] = $handler['name']; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    if (empty($info['url']) && isset($handler['thumbnail_default']) && file_exists($handler['thumbnail_default'])) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      $info = array( 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        'handler' => $handler['name'], 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        'id' => 'default_thumbnail', 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        'url' => $handler['thumbnail_default'], 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      ); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  return $info; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+} 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+/** 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * Gets a video data array for a given video url. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * @param string $url 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ *   A video URL of the data array you want returned. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * @return array|false 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ *   An array of video data, or FALSE on error. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ */ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+function video_embed_field_get_video_data($url) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  $handler = video_embed_get_handler($url); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  if ($handler && isset($handler['data_function']) && function_exists($handler['data_function'])) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $data = call_user_func($handler['data_function'], $url); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $data['handler'] = $handler['name']; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    return $data; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  return FALSE; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+} 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+/** 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * Generates the AJAX path array from the video URL and the video_style. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * @param string $video_url 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ *   The URL to the video. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * @param string $video_style 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ *   The video style to render the video. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * @return array 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ *   The AJAX path array. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ */ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+function video_embed_field_get_ajax_url($video_url, $video_style) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  $style = video_embed_field_video_style_load($video_style); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  // If there was an issue load in the default style. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  if ($style == FALSE) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $style = video_embed_field_video_style_load('normal'); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  $handler = video_embed_get_handler($video_url); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  $data = $style->data[$handler['name']]; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  // Write values for later AJAX load. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  $hash = _video_embed_field_store_video($video_url, $video_style); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  return array( 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    'path' => 'vef/load/' . $hash, 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    'options' => array( 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      'attributes' => array( 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        'class' => array( 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+          'colorbox-load', 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+          'colorbox' 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        ), 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      ), 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      'query' => array( 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        'width' => $data['width'], 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        'height' => $data['height'] + 5, 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      ), 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    ), 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+} 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+/** 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * Fetches all available provider domains. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * @return array 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ *   An array containing the allowed video domains. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ */ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+function _video_embed_field_get_provider_domains() { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  $domains = array(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  $handlers = video_embed_get_handlers(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  foreach ($handlers as $name => $handler) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    if (isset($handler['function']) && function_exists($handler['function'])) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      foreach ($handler['domains'] as $domain) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        $domains[$domain] = $name; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  return $domains; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+} 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+/** 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * Fetches all available provider domains for certain field instance. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * @param array $instance 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ *   The instance definition. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * @return array 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ *   An array containing the allowed video domains. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ */ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+function _video_embed_field_get_instance_provider_domains($instance) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  return array_intersect(_video_embed_field_get_provider_domains(), $instance['settings']['allowed_providers']); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+} 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+/** 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * Fetches settings string. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * @param array $settings 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ *   The settings array. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * @return string 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ *   The settings string generated from the settings array. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ */ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+function _video_embed_code_get_settings_str($settings = array()) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  $values = array(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  foreach ($settings as $name => $value) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    if (!isset($value)) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      $values[] = $name; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    else { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      $values[] = $name . '=' . $value; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  return implode('&', $values); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+} 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+/** 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * Stores a video to be loaded later from an _video_embed_field_load_video. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * @param string $video_url 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ *   The video URL. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * @param string $video_style 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ *   The video style. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * @return string 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ *   The hash generated for the video URL and the given style. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ */ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+function _video_embed_field_store_video($video_url, $video_style) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  // Create a hash key. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  $hash = _video_embed_field_hash($video_url, $video_style); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  // Check that this record doesn't already exist before saving it. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  if (!_video_embed_field_load_video($hash)) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $record = array( 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      'vhash' => $hash, 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      'video_url' => $video_url, 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      'video_style' => $video_style, 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    ); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    cache_set('vef-store-' . $hash, $record); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    // Add it to our static cache so we won't have to go to the database. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $static_cache = &drupal_static('vef_video_store', array()); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $static_cache[$hash] = $record; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  return $hash; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+} 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+/** 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * Renders a video for an AJAX call. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * @param string $hash 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ *   The video hash. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * @return Null 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ *   Null because prints an AJAX output. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ */ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+function _video_embed_field_show_video($hash) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  $data = _video_embed_field_load_video($hash); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  $video = array( 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    '#theme' => 'video_embed_field_embed_code', 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    '#style' => $data['video_style'], 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    '#url' => $data['video_url'], 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  print drupal_render($video); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  return NULL; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+} 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+/** 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * Loads a video from the video store given its hash. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * @param string $hash 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ *   The video hash. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * @return array|bool 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ *   An array with video definition, FALSE if the hash does not exist. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ */ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+function _video_embed_field_load_video($hash) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  $static_cache = &drupal_static('vef_video_store', array()); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  // Check if we've already loaded it. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  if (isset($static_cache[$hash])) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    return $static_cache[$hash]; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  else { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $result = cache_get('vef-store-' . $hash); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    if ($result) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      // Cache it before returning. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      $data = $result->data; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      $static_cache[$hash] = $data; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      return $data; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    else { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      return FALSE; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+} 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+/** 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * Creates a hash for storing or looking up a video in the store table. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * @param string $video_url 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ *   The video URL. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * @param string $video_style 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ *   The video style. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ * @return string 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ *   The hash generated for the video URL and the given style. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ */ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+function _video_embed_field_hash($video_url, $video_style) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  return md5('vef' . $video_url . $video_style); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+} 
			 |