From f6ab6622aab00fe7c2f4c3dc41f786ebbe0f0d73 Mon Sep 17 00:00:00 2001
From: Rogan Creswick <creswick@galois.com>
Date: Fri, 30 Mar 2012 17:07:02 -0700
Subject: initial revision

---
 .../packages/api-utils/lib/utils/function.js       | 64 ++++++++++++++++++++++
 1 file changed, 64 insertions(+)
 create mode 100644 tools/addon-sdk-1.4/packages/api-utils/lib/utils/function.js

(limited to 'tools/addon-sdk-1.4/packages/api-utils/lib/utils/function.js')

diff --git a/tools/addon-sdk-1.4/packages/api-utils/lib/utils/function.js b/tools/addon-sdk-1.4/packages/api-utils/lib/utils/function.js
new file mode 100644
index 0000000..ba43d59
--- /dev/null
+++ b/tools/addon-sdk-1.4/packages/api-utils/lib/utils/function.js
@@ -0,0 +1,64 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Jetpack.
+ *
+ * The Initial Developer of the Original Code is Mozilla.
+ * Portions created by the Initial Developer are Copyright (C) 2010
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *   Irakli Gozalishvili <gozala@mozilla.com>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+"use strict";
+
+var { setTimeout } = require("../timer");
+
+/**
+ * Takes a function and returns a wrapped one instead, calling which will call
+ * original function in the next turn of event loop. This is basically utility
+ * to do `setTimeout(function() { ... }, 0)`, with a difference that returned
+ * function is reused, instead of creating a new one each time. This also allows
+ * to use this functions as event listeners.
+ */
+function Enqueued(callee) {
+  return function enqueued()
+    setTimeout(invoke, 0, callee, arguments, this);
+}
+exports.Enqueued = Enqueued;
+
+/**
+ * Invokes `callee` by passing `params` as an arguments and `self` as `this`
+ * pseudo-variable. Returns value that is returned by a callee.
+ * @param {Function} callee
+ *    Function to invoke.
+ * @param {Array} params
+ *    Arguments to invoke function with.
+ * @param {Object} self
+ *    Object to be passed as a `this` pseudo variable.
+ */
+function invoke(callee, params, self) callee.apply(self, params);
+exports.invoke = invoke;
-- 
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