1 files changed, 22 insertions, 0 deletions
diff --git a/toolkit/components/shell/nsIToolkitShellService.idl b/toolkit/components/shell/nsIToolkitShellService.idl
new file mode 100644
index 0000000000..329f821f36
--- /dev/null
+++ b/toolkit/components/shell/nsIToolkitShellService.idl
@@ -0,0 +1,22 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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/. */
+
+#include "nsISupports.idl"
+
+[scriptable, uuid(9246cad6-926a-4c17-88b0-ecba8078d143)]
+interface nsIToolkitShellService : nsISupports
+{
+  /**
+   * Determines whether or not this application is the default for the operating
+   * system. It is up to the application to determine how to answer this
+   * question but it would typically involve checking if it is registered as the
+   * default handler for web protocols and/or file types.
+   */
+  boolean isDefaultApplication();
+};
+
+%{ C++
+#define NS_TOOLKITSHELLSERVICE_CONTRACTID "@mozilla.org/toolkit/shell-service;1"
+%}