1 files changed, 51 insertions, 0 deletions
diff --git a/library/iconBuffer.h b/library/iconBuffer.h
new file mode 100644
index 00000000..ba905d22
--- /dev/null
+++ b/library/iconBuffer.h
@@ -0,0 +1,51 @@
+#ifndef ICONBUFFER_H_INCLUDED
+#define ICONBUFFER_H_INCLUDED
+
+#ifndef FFS_WIN
+#warning //this header should be used in the windows build only!
+#endif
+
+#include <vector>
+#include "zstring.h"
+#include <memory>
+
+class wxCriticalSection;
+class WorkerThread;
+class IconDB;
+class IconDbSequence;
+class wxIcon;
+
+
+namespace FreeFileSync
+{
+    class IconBuffer
+    {
+        friend class ::WorkerThread;
+
+    public:
+        static IconBuffer& getInstance();
+
+        bool requestIcon(const Zstring& fileName, wxIcon* icon = NULL); //returns false if icon is not in buffer
+        void setWorkload(const std::vector<Zstring>& load); //(re-)set new workload of icons to be retrieved;
+
+        static const int ICON_SIZE = 16; //size in pixel
+
+    private:
+        IconBuffer();
+        ~IconBuffer();
+
+        //methods used by worker thread
+        void insertIntoBuffer(const DefaultChar* fileName, const wxIcon& icon);
+
+//---------------------- Shared Data -------------------------
+        std::auto_ptr<wxCriticalSection> lockIconDB;
+        std::auto_ptr<IconDB> buffer;  //use synchronisation when accessing this!
+//------------------------------------------------------------
+
+        std::auto_ptr<IconDbSequence> bufSequence; //save sequence of buffer entry to delte olderst elements
+
+        std::auto_ptr<WorkerThread> worker;
+    };
+}
+
+#endif // ICONBUFFER_H_INCLUDED