1 files changed, 30 insertions, 0 deletions
diff --git a/browser/components/shell/nsSetDefaultBrowser.js b/browser/components/shell/nsSetDefaultBrowser.js
new file mode 100644
index 000000000..bb09ab213
--- /dev/null
+++ b/browser/components/shell/nsSetDefaultBrowser.js
@@ -0,0 +1,30 @@
+/* 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/. */
+
+/*
+ * --setDefaultBrowser commandline handler
+ * Makes the current executable the "default browser".
+ */
+
+const Cc = Components.classes;
+const Ci = Components.interfaces;
+Components.utils.import("resource:///modules/ShellService.jsm");
+Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
+
+function nsSetDefaultBrowser() {}
+
+nsSetDefaultBrowser.prototype = {
+  handle: function nsSetDefault_handle(aCmdline) {
+    if (aCmdline.handleFlag("setDefaultBrowser", false)) {
+      ShellService.setDefaultBrowser(true, true);
+    }
+  },
+
+  helpInfo: "  --setDefaultBrowser Set this app as the default browser.\n",
+
+  classID: Components.ID("{F57899D0-4E2C-4ac6-9E29-50C736103B0C}"),
+  QueryInterface: XPCOMUtils.generateQI([Ci.nsICommandLineHandler]),
+};
+
+this.NSGetFactory = XPCOMUtils.generateNSGetFactory([nsSetDefaultBrowser]);