QR Code extension

contrib/qr_code/main.php

@@ -0,0 +1,39 @@
+<?php
+/*
+ * Name: QR Codes
+ * Author: Zach Hall <zach@sosguy.net> [http://seemslegit.com]
+ * Description: Shows a QR Code for downloading an image to cell phones.
+ * 				Based on Artanis's Link to Image Extension <artanis.00@gmail.com>
+ * 				Includes QRcode Perl CGI & PHP scripts ver. 0.50 [http://www.swetake.com/qr/qr_cgi_e.html]
+ */
+class QRImage implements Extension {
+	var $theme;
+
+	public function receive_event(Event $event) {
+		global $config, $database, $page, $user;
+		if(is_null($this->theme)) $this->theme = get_theme_object($this);
+			if(($event instanceof DisplayingImageEvent)) {
+				$this->theme->links_block($page, $this->data($event->image));
+			}
+		
+	}
+
+	private function hostify($str) {
+		$str = str_replace(" ", "%20", $str);
+		if(strpos($str, "ttp://") > 0) {
+			return $str;
+		}
+		else {
+			return "http://" . $_SERVER["HTTP_HOST"] . $str;
+		}
+	}
+	
+	private function data($image) {
+		global $config;
+		$i_image_id = int_escape($image->id);
+		return array(
+			'image_src'	=> $this->hostify('/image/'.$i_image_id));
+	}
+}
+add_event_listener(new QRImage());
+?>