add HOOK_RENDER_ENCLOSURE & af_youtube_embed plugin

classes/pluginhost.php

@@ -43,6 +43,7 @@ class PluginHost {
 	const HOOK_FORMAT_ENCLOSURES = 26;
 	const HOOK_SUBSCRIBE_FEED = 27;
 	const HOOK_HEADLINES_BEFORE = 28;
+	const HOOK_RENDER_ENCLOSURE = 29;
 
 	const KIND_ALL = 1;
 	const KIND_SYSTEM = 2;

include/functions2.php

@@ -1940,6 +1940,14 @@
 
 					foreach ($entries as $entry) {
 
+					foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_RENDER_ENCLOSURE) as $plugin)
+						$retval = $plugin->hook_render_enclosure($entry, $hide_images);
+
+
+						if ($retval) {
+							$rv .= $retval;
+						} else {
+
 							if (preg_match("/image/", $entry["type"]) ||
 									preg_match("/\.(jpg|png|gif|bmp)/i", $entry["filename"])) {
 
@@ -1966,6 +1974,7 @@
 						}
 					}
 				}
+			}
 
 			if (count($entries_inline) > 0) {
 				$rv .= "<hr clear='both'/>";

plugins/af_youtube_embed/init.php

@@ -0,0 +1,40 @@
+<?php
+class Af_Youtube_Embed extends Plugin {
+	private $host;
+
+	function about() {
+		return array(1.0,
+			"Embed videos in Youtube RSS feeds",
+			"fox");
+	}
+
+	function init($host) {
+		$this->host = $host;
+
+		$host->add_hook($host::HOOK_RENDER_ENCLOSURE, $this);
+	}
+
+	function hook_render_enclosure($entry, $hide_images) {
+
+		$matches = array();
+
+		if (preg_match("/\/\/www\.youtube\.com\/v\/([\w-]+)/", $entry["url"], $matches) ||
+			preg_match("/\/\/www\.youtube\.com\/watch?v=([\w-]+)/", $entry["url"], $matches) ||
+			preg_match("/\/\/youtu.be\/([\w-]+)/", $entry["url"], $matches)) {
+
+			$vid_id = $matches[1];
+
+			return "<iframe class=\"youtube-player\"
+				type=\"text/html\" width=\"640\" height=\"385\"
+				src=\"https://www.youtube.com/embed/$vid_id\"
+				allowfullscreen frameborder=\"0\"></iframe>";
+
+		}
+	}
+
+	function api_version() {
+		return 2;
+	}
+
+}
+?>