1 files changed, 54 insertions, 0 deletions
diff --git a/vcl/inc/IPrioritable.hxx b/vcl/inc/IPrioritable.hxx
new file mode 100644
index 000000000..55faf6431
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+++ b/vcl/inc/IPrioritable.hxx
@@ -0,0 +1,54 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * 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 INCLUDED_VCL_IPRIORITABLE_HXX
+#define INCLUDED_VCL_IPRIORITABLE_HXX
+
+#include <vcl/dllapi.h>
+
+#define VCL_PRIORITY_DEFAULT -1
+
+namespace vcl
+{
+
+class VCL_DLLPUBLIC IPrioritable
+{
+protected:
+    IPrioritable() : m_nPriority(VCL_PRIORITY_DEFAULT)
+    {
+    }
+
+public:
+    virtual ~IPrioritable()
+    {
+    }
+
+    int GetPriority() const
+    {
+        return m_nPriority;
+    }
+
+    void SetPriority(int nPriority)
+    {
+        m_nPriority = nPriority;
+    }
+
+    virtual void HideContent() = 0;
+    virtual void ShowContent() = 0;
+    virtual bool IsHidden() = 0;
+
+private:
+    int m_nPriority;
+};
+
+} // namespace vcl
+
+#endif // INCLUDED_VCL_IPRIORITABLE_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */