1 files changed, 79 insertions, 0 deletions
diff --git a/sd/source/ui/inc/tools/IconCache.hxx b/sd/source/ui/inc/tools/IconCache.hxx
new file mode 100644
index 000000000000..008e99639849
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+++ b/sd/source/ui/inc/tools/IconCache.hxx
@@ -0,0 +1,79 @@
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+#ifndef SD_ICON_CACHE_HXX
+#define SD_ICON_CACHE_HXX
+
+#include "SdGlobalResourceContainer.hxx"
+#include <vcl/image.hxx>
+
+namespace sd {
+
+/** This simple class stores frequently used icons so that the classes that
+    use the icons do not have to store them in every one of their
+    instances.
+
+    Icons are adressed over their resource id and are loaded on demand.
+
+    This cache acts like a singleton with a lifetime equal to that of the sd
+    module.
+*/
+class IconCache
+    : public SdGlobalResource
+{
+public:
+    /** The lifetime of the returned reference is limited to that of the sd
+        module.
+    */
+    static IconCache& Instance (void);
+
+    /** Return the icon with the given resource id.
+        @return
+            The returned Image may be empty when there is no icon for the
+            given id or an error occured.  Should not happen under normal
+            circumstances.
+    */
+    Image GetIcon (USHORT nResourceId);
+
+private:
+    class Implementation;
+    ::std::auto_ptr<Implementation> mpImpl;
+
+    /** The constructor creates the one instance of the cache and registers
+        it at the SdGlobalResourceContainer to limit is lifetime to that of
+        the sd module.
+    */
+    IconCache (void);
+
+    /** This destructor is called by SdGlobalResourceContainer.
+    */
+    virtual ~IconCache (void);
+};
+
+} // end of namespace sd
+
+#endif