Add upstream plugins

Signed-off-by: Adrian Nöthlich <git@promasu.tech>

wp-content/plugins/all-in-one-event-calendar/lib/event/callback/abstract.php

@@ -0,0 +1,62 @@
+<?php
+
+/**
+ * Abstract Class for Callback Events.
+ *
+ * @author       Time.ly Network Inc.
+ * @since       2.0
+ *
+ * @package       AI1EC
+ * @subpackage AI1EC.Event
+ */
+abstract class Ai1ec_Event_Callback_Abstract {
+
+    /**
+     * @var Ai1ec_Registry_Object The Object registry.
+     */
+    protected $_registry      = null;
+
+    /**
+     * @var string The registry method name defined in the class map.
+     */
+    protected $_registry_name = null;
+
+    /**
+     * @var string The method invoked by the current callback.
+     */
+    protected $_method          = null;
+
+    /**
+     * Initiate callback objects.
+     *
+     * @param Ai1ec_Registry_Object $registry Registry object.
+     * @param string                $path      Registry method name defined in the class map.
+     * @param string                $method      Method invoked by the currect callback.
+     *
+     * @return void Constructor does not return.
+     */
+    public function __construct(
+        Ai1ec_Registry_Object $registry,
+        $path,
+        $method
+    ) {
+        $this->_registry      = $registry;
+        $this->_registry_name = $path;
+        $this->_method          = $method;
+    }
+
+    /**
+     * Invoke the method added to the current callback.
+     *
+     * @return mixed Value returned by the current method.
+     */
+    public function run() {
+        $argv = func_get_args();
+        return $this->_registry->dispatch(
+            $this->_registry_name,
+            $this->_method,
+            $argv
+        );
+    }
+
+}

wp-content/plugins/all-in-one-event-calendar/lib/event/callback/action.php

@@ -0,0 +1,14 @@
+<?php
+
+/**
+ * Event Callback Action creation.
+ *
+ * @author     Time.ly Network Inc.
+ * @since      2.0
+ *
+ * @instantiator new
+ * @package      AI1EC
+ * @subpackage   AI1EC.Event
+ */
+class Ai1ec_Event_Callback_Action extends Ai1ec_Event_Callback_Abstract {
+}

wp-content/plugins/all-in-one-event-calendar/lib/event/callback/filter.php

@@ -0,0 +1,14 @@
+<?php
+
+/**
+ * Event Callback Filter creation.
+ *
+ * @author     Time.ly Network Inc.
+ * @since      2.0
+ *
+ * @instantiator new
+ * @package      AI1EC
+ * @subpackage   AI1EC.Event
+ */
+class Ai1ec_Event_Callback_Filter extends Ai1ec_Event_Callback_Abstract {
+}

wp-content/plugins/all-in-one-event-calendar/lib/event/callback/shortcode.php

@@ -0,0 +1,14 @@
+<?php
+
+/**
+ * Event Callback Shortcode creation.
+ *
+ * @author     Time.ly Network Inc.
+ * @since      2.0
+ *
+ * @instantiator new
+ * @package      AI1EC
+ * @subpackage   AI1EC.Event
+ */
+class Ai1ec_Event_Callback_Shortcode extends Ai1ec_Event_Callback_Abstract {
+}