1 files changed, 45 insertions, 0 deletions
diff --git a/widget/windows/WinTaskbar.h b/widget/windows/WinTaskbar.h
new file mode 100644
index 0000000000..44102f8b39
--- /dev/null
+++ b/widget/windows/WinTaskbar.h
@@ -0,0 +1,45 @@
+/* vim: se cin sw=2 ts=2 et : */
+/* -*- 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 __WinTaskbar_h__
+#define __WinTaskbar_h__
+
+#include <windows.h>
+#include <shobjidl.h>
+#undef LogSeverity  // SetupAPI.h #defines this as DWORD
+#include "nsIWinTaskbar.h"
+#include "mozilla/Attributes.h"
+
+namespace mozilla {
+namespace widget {
+
+class WinTaskbar final : public nsIWinTaskbar {
+  ~WinTaskbar();
+
+ public:
+  WinTaskbar();
+
+  NS_DECL_THREADSAFE_ISUPPORTS
+  NS_DECL_NSIWINTASKBAR
+
+  // Registers the global app user model id for the instance.
+  // See comments in WinTaskbar.cpp for more information.
+  static bool RegisterAppUserModelID();
+  static bool GetAppUserModelID(nsAString& aDefaultGroupId);
+
+ private:
+  bool Initialize();
+
+  typedef HRESULT(WINAPI* SetCurrentProcessExplicitAppUserModelIDPtr)(
+      PCWSTR AppID);
+  ITaskbarList4* mTaskbar;
+};
+
+}  // namespace widget
+}  // namespace mozilla
+
+#endif /* __WinTaskbar_h__ */