1 files changed, 33 insertions, 0 deletions
diff --git a/widget/gtk/TaskbarProgress.h b/widget/gtk/TaskbarProgress.h
new file mode 100644
index 0000000000..819df0c089
--- /dev/null
+++ b/widget/gtk/TaskbarProgress.h
@@ -0,0 +1,33 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:expandtab:shiftwidth=4:tabstop=4:
+ */
+/* 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 TaskbarProgress_h_
+#define TaskbarProgress_h_
+
+#include "nsIGtkTaskbarProgress.h"
+
+class nsWindow;
+
+class TaskbarProgress final : public nsIGtkTaskbarProgress {
+ public:
+  NS_DECL_ISUPPORTS
+  NS_DECL_NSIGTKTASKBARPROGRESS
+  NS_DECL_NSITASKBARPROGRESS
+
+  TaskbarProgress();
+
+ protected:
+  ~TaskbarProgress();
+
+  // We track the progress value so we can avoid updating the X window property
+  // unnecessarily.
+  unsigned long mCurrentProgress;
+
+  RefPtr<nsWindow> mPrimaryWindow;
+};
+
+#endif  // #ifndef TaskbarProgress_h_