1 files changed, 33 insertions, 0 deletions
diff --git a/tools/addon-sdk-1.7/packages/addon-kit/lib/addon-page.js b/tools/addon-sdk-1.7/packages/addon-kit/lib/addon-page.js
new file mode 100644
index 0000000..eeb5461
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+++ b/tools/addon-sdk-1.7/packages/addon-kit/lib/addon-page.js
@@ -0,0 +1,33 @@
+/* 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';
+
+const { uriPrefix, name } = require('@packaging');
+const { WindowTracker, isBrowser } = require('api-utils/window-utils');
+const { add, remove } = require('api-utils/array');
+const { getTabs, closeTab } = require('api-utils/tabs/utils');
+
+// Note: This is an URL that will be returned by calling
+// `require('self').data.url('index.html')` from the add-on modules.
+// We could not use this expression as in this module it would have
+// returned "addon-kit/data/index.html" instead.
+const addonURL = uriPrefix + name + '/data/index.html';
+
+WindowTracker({
+  onTrack: function onTrack(window) {
+    if (isBrowser(window))
+      add(window.XULBrowserWindow.inContentWhitelist, addonURL);
+  },
+  onUntrack: function onUntrack(window) {
+    getTabs(window).
+      filter(function(tab) tab.linkedBrowser.currentURI.spec === addonURL).
+      forEach(function(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);
+      });
+  }
+});