1 files changed, 47 insertions, 0 deletions
diff --git a/widget/windows/TaskbarPreviewButton.h b/widget/windows/TaskbarPreviewButton.h
new file mode 100644
index 0000000000..e13b2d6771
--- /dev/null
+++ b/widget/windows/TaskbarPreviewButton.h
@@ -0,0 +1,47 @@
+/* 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 __mozilla_widget_TaskbarPreviewButton_h__
+#define __mozilla_widget_TaskbarPreviewButton_h__
+
+#include <windows.h>
+#include <shobjidl.h>
+#undef LogSeverity  // SetupAPI.h #defines this as DWORD
+
+#include "mozilla/RefPtr.h"
+#include <nsITaskbarPreviewButton.h>
+#include <nsString.h>
+#include "nsWeakReference.h"
+
+namespace mozilla {
+namespace widget {
+
+class TaskbarWindowPreview;
+class TaskbarPreviewButton : public nsITaskbarPreviewButton,
+                             public nsSupportsWeakReference {
+  virtual ~TaskbarPreviewButton();
+
+ public:
+  TaskbarPreviewButton(TaskbarWindowPreview* preview, uint32_t index);
+
+  NS_DECL_ISUPPORTS
+  NS_DECL_NSITASKBARPREVIEWBUTTON
+
+ private:
+  THUMBBUTTON& Button();
+  nsresult Update();
+
+  RefPtr<TaskbarWindowPreview> mPreview;
+  uint32_t mIndex;
+  nsString mTooltip;
+  nsCOMPtr<imgIContainer> mImage;
+};
+
+}  // namespace widget
+}  // namespace mozilla
+
+#endif /* __mozilla_widget_TaskbarPreviewButton_h__ */