1 files changed, 23 insertions, 0 deletions
diff --git a/comm/mail/components/shell/nsToolkitShellService.h b/comm/mail/components/shell/nsToolkitShellService.h
new file mode 100644
index 0000000000..160f9d7cbe
--- /dev/null
+++ b/comm/mail/components/shell/nsToolkitShellService.h
@@ -0,0 +1,23 @@
+/* -*- 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/. */
+
+#ifndef nstoolkitshellservice_h____
+#define nstoolkitshellservice_h____
+
+#include "nsIToolkitShellService.h"
+
+class nsToolkitShellService : public nsIToolkitShellService {
+ public:
+  NS_IMETHOD IsDefaultClient(bool aStartupCheck, uint16_t aApps,
+                             bool* aIsDefaultClient) = 0;
+
+  NS_IMETHODIMP IsDefaultApplication(bool* aIsDefaultClient) {
+    // This does some OS-specific checking: GConf on Linux, mailto/news protocol
+    // handler on Mac, registry and application association checks on Windows.
+    return IsDefaultClient(false, nsIShellService::MAIL, aIsDefaultClient);
+  }
+};
+
+#endif  // nstoolkitshellservice_h____