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diff --git a/include/vcl/IconThemeInfo.hxx b/include/vcl/IconThemeInfo.hxx
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+++ b/include/vcl/IconThemeInfo.hxx
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+/* -*- 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_ICONTHEMEINFO_HXX
+#define INCLUDED_VCL_ICONTHEMEINFO_HXX
+
+#include <vcl/dllapi.h>
+#include <tools/gen.hxx>
+#include <rtl/ustring.hxx>
+
+#include <vector>
+
+// forward declaration of unit test classes. Required for friend relationship.
+class IconThemeInfoTest;
+class IconThemeSelectorTest;
+class IconThemeScannerTest;
+
+namespace vcl {
+
+/** This class provides information about an icon theme.
+ */
+class VCL_DLLPUBLIC IconThemeInfo {
+
+public:
+
+    /** The name of the icon theme to use for high contrast mode */
+    static const OUStringLiteral HIGH_CONTRAST_ID;
+
+    /** Construct an IconThemeInfo from the URL to a file.
+     * This method will throw a std::runtime_error if the URL cannot be properly parsed.
+     * Check the URL with UrlCanBeParsed() first.
+     */
+    IconThemeInfo(const OUString& urlToFile);
+
+    const OUString& GetDisplayName() const {return mDisplayName;}
+
+    const OUString& GetThemeId() const { return mThemeId; }
+
+    const OUString& GetUrlToFile() const { return mUrlToFile; }
+
+    /** Obtain the icon size by theme name.
+     * @internal
+     * It is not clear where this information belongs to. The sizes were hard-coded before they moved here.
+     * Maybe there is a way to determine the sizes from the icon theme packages.
+     */
+    static Size SizeByThemeName(const OUString&);
+
+    /** Check whether an IconThemeInfo can be constructed from a URL */
+    static bool UrlCanBeParsed(const OUString& url);
+
+    /** Find an icon theme by its id in a vector.
+     * Throws a runtime_error if the theme is not contained in the vector
+     */
+    static const vcl::IconThemeInfo&
+    FindIconThemeById(const std::vector<vcl::IconThemeInfo>& themes, const OUString& themeId);
+
+    /** Check whether a theme with a specified id is in a vector of IconThemeInfo */
+    static bool
+    IconThemeIsInVector(const std::vector<vcl::IconThemeInfo>& themes, const OUString& themeId);
+
+private:
+    /** private constructor for testing purposes only */
+    IconThemeInfo();
+
+    /** Determine the icon theme name from the filename
+     * If the name has an underscore, the name is taken from the first underscore to the last dot,
+     * e.g., images_oxygen.zip becomes oxygen
+     * If the name does not have an underscore in it, the whole name until the last dot is returned,
+     * e.g. default.zip becomes default
+     */
+    static OUString FileNameToThemeId(const OUString&);
+
+    /** Creates the display name for the given id of a file.
+     * Currently, we only uppercase the id.
+     */
+    static OUString ThemeIdToDisplayName(const OUString&);
+
+    /** The name which is presented to the user */
+    OUString mDisplayName;
+    /** The theme id. This id is used in ... to determine the file name */
+    OUString mThemeId;
+    /** The url to the icon theme package */
+    OUString mUrlToFile;
+
+    friend class ::IconThemeInfoTest;
+    friend class ::IconThemeScannerTest;
+    friend class ::IconThemeSelectorTest;
+};
+
+} // namespace vcl
+
+
+#endif // INCLUDED_VCL_ICONTHEMEINFO_HXX