1 files changed, 38 insertions, 0 deletions
diff --git a/tools/addon-sdk-1.12/lib/sdk/addon-page.js b/tools/addon-sdk-1.12/lib/sdk/addon-page.js
new file mode 100644
index 0000000..6440b25
--- /dev/null
+++ b/tools/addon-sdk-1.12/lib/sdk/addon-page.js
@@ -0,0 +1,38 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+'use strict';
+
+module.metadata = {
+  'stability': 'experimental'
+};
+
+const { WindowTracker } = require('./deprecated/window-utils');
+const { isXULBrowser } = require('./window/utils');
+const { add, remove } = require('./util/array');
+const { getTabs, closeTab, getURI } = require('./tabs/utils');
+const { data } = require('./self');
+
+const addonURL = data.url('index.html');
+
+WindowTracker({
+  onTrack: function onTrack(window) {
+    if (isXULBrowser(window))
+      add(window.XULBrowserWindow.inContentWhitelist, addonURL);
+  },
+  onUntrack: function onUntrack(window) {
+    if (isXULBrowser(window))
+      getTabs(window).filter(tabFilter).forEach(untrackTab.bind(null, window));
+  }
+});
+
+function tabFilter(tab) {
+  return getURI(tab) === addonURL;
+}
+
+function untrackTab(window, tab) {
+  // Note: `onUntrack` will be called for all windows on add-on unloads,
+  // so we want to clean them up from these URLs.
+  remove(window.XULBrowserWindow.inContentWhitelist, addonURL);
+  closeTab(tab);
+}