1 files changed, 84 insertions, 0 deletions
diff --git a/include/addons.php b/include/addons.php
new file mode 100644
index 0000000..8a0ff48
--- /dev/null
+++ b/include/addons.php
@@ -0,0 +1,84 @@
+<?php
+
+/**
+ * Copyright (C) 2008-2012 FluxBB
+ * based on code by Rickard Andersson copyright (C) 2002-2008 PunBB
+ * License: http://www.gnu.org/licenses/gpl.html GPL version 2 or higher
+ */
+
+// Make sure no one attempts to run this script "directly"
+if (!defined('PUN'))
+	exit;
+
+
+/**
+ * Class flux_addon_manager
+ *
+ * This class is responsible for loading the addons and storing their hook listeners.
+ */
+class flux_addon_manager
+{
+	var $hooks = array();
+
+	var $loaded = false;
+
+	function load()
+	{
+		$this->loaded = true;
+
+		$d = dir(PUN_ROOT.'addons');
+		if (!$d) return;
+
+		while (($addon_file = $d->read()) !== false)
+		{
+			if (!is_dir(PUN_ROOT.'addons/'.$addon_file) && preg_match('%(\w+)\.php$%', $addon_file))
+			{
+				$addon_name = 'addon_'.substr($addon_file, 0, -4);
+
+				include PUN_ROOT.'addons/'.$addon_file;
+				$addon = new $addon_name;
+
+				$addon->register($this);
+			}
+		}
+		$d->close();
+	}
+
+	function bind($hook, $callback)
+	{
+		if (!isset($this->hooks[$hook]))
+			$this->hooks[$hook] = array();
+
+		if (is_callable($callback))
+			$this->hooks[$hook][] = $callback;
+	}
+
+	function hook($name)
+	{
+		if (!$this->loaded)
+			$this->load();
+
+		$callbacks = isset($this->hooks[$name]) ? $this->hooks[$name] : array();
+
+		// Execute every registered callback for this hook
+		foreach ($callbacks as $callback)
+		{
+			list($addon, $method) = $callback;
+			$addon->$method();
+		}
+	}
+}
+
+
+/**
+ * Class flux_addon
+ *
+ * This class can be extended to provide addon functionality.
+ * Subclasses should implement the register method which will be called so that they have a chance to register possible
+ * listeners for all hooks.
+ */
+class flux_addon
+{
+	function register($manager)
+	{ }
+}