1 files changed, 38 insertions, 0 deletions
diff --git a/src/js/firefox/lib/tabIds.js b/src/js/firefox/lib/tabIds.js
new file mode 100644
index 0000000..f5dad78
--- /dev/null
+++ b/src/js/firefox/lib/tabIds.js
@@ -0,0 +1,38 @@
+/*
+ * Module     : firefox/tabIds.js
+ * Copyright  : (c) 2011-2012, Galois, Inc.
+ *
+ * Maintainer :
+ * Stability  : Provisional
+ * Portability: Not Portable (Firefox only)
+ *
+ * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+var _ = require('underscore');
+
+exports.TabIds = function() {
+  this.next = 0;
+};
+
+_.extend(exports.TabIds.prototype, {
+
+  allocate:function() {
+    var tabId = this.next;
+    this.next = this.next + 1;
+    return tabId;
+  },
+
+  free:function(tabId) {}
+
+});