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#ifndef MOZC_WIN32_TIP_TIP_ENUM_DISPLAY_ATTRIBUTES_H_
#define MOZC_WIN32_TIP_TIP_ENUM_DISPLAY_ATTRIBUTES_H_

#include <msctf.h>
#include <rpcsal.h>
#include <windows.h>

#include "base/port.h"
#include "win32/tip/tip_ref_count.h"

namespace mozc {
namespace win32 {
namespace tsf {

// Represents the list of the display attributes used in this module.
class TipEnumDisplayAttributes : public IEnumTfDisplayAttributeInfo {
 public:
  TipEnumDisplayAttributes();
  virtual ~TipEnumDisplayAttributes();

  // IUnknown
  virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID interface_id,
                                                   void **object);
  virtual ULONG STDMETHODCALLTYPE AddRef();
  virtual ULONG STDMETHODCALLTYPE Release();

  // IEnumTfDisplayAttributeInfo
  virtual HRESULT STDMETHODCALLTYPE
  Clone(IEnumTfDisplayAttributeInfo **enum_attributes);
  virtual HRESULT STDMETHODCALLTYPE
  Next(ULONG count, ITfDisplayAttributeInfo **attribute_array, ULONG *fetched);
  virtual HRESULT STDMETHODCALLTYPE Reset();
  virtual HRESULT STDMETHODCALLTYPE Skip(ULONG count);

 private:
  TipRefCount ref_count_;
  LONG index_;

  DISALLOW_COPY_AND_ASSIGN(TipEnumDisplayAttributes);
};

}  // namespace tsf
}  // namespace win32
}  // namespace mozc

#endif  // MOZC_WIN32_TIP_TIP_ENUM_DISPLAY_ATTRIBUTES_H_
