1 files changed, 36 insertions, 0 deletions
diff --git a/tools/addon-sdk-1.12/lib/sdk/private-browsing.js b/tools/addon-sdk-1.12/lib/sdk/private-browsing.js
new file mode 100644
index 0000000..6d2a709
--- /dev/null
+++ b/tools/addon-sdk-1.12/lib/sdk/private-browsing.js
@@ -0,0 +1,36 @@
+/* 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": "stable"
+};
+
+const { setMode, getMode, on: onStateChange } = require('./private-browsing/utils');
+const { emit, on, once, off } = require('./event/core');
+const { when: unload } = require('./system/unload');
+const observers = require('./deprecated/observer-service');
+
+onStateChange('start', function onStart() {
+  emit(exports, 'start');
+});
+
+onStateChange('stop', function onStop() {
+  emit(exports, 'stop');
+});
+
+// Make sure listeners are cleaned up.
+unload(function() off(exports));
+
+Object.defineProperty(exports, "isActive", { get: function() getMode() });
+exports.activate = function activate() setMode(true);
+exports.deactivate = function deactivate() setMode(false);
+exports.on = on.bind(null, exports);
+exports.once = once.bind(null, exports);
+exports.removeListener = function removeListener(type, listener) {
+  // Note: We can't just bind `off` as we do it for other methods cause skipping
+  // a listener argument will remove all listeners for the given event type
+  // causing misbehavior. This way we make sure all arguments are passed.
+  off(exports, type, listener);
+};