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#ifndef MOZC_WIN32_TIP_TIP_UI_ELEMENT_MANAGER_H_
#define MOZC_WIN32_TIP_TIP_UI_ELEMENT_MANAGER_H_

#include <msctf.h>
#include <wil/com.h>
#include <windows.h>

#include "absl/container/flat_hash_map.h"
#include "win32/tip/tip_text_service.h"

namespace mozc {
namespace win32 {
namespace tsf {

class TipUiElementManager {
 public:
  enum UIElementFlags {
    kNoneWindow = 0,
    kSuggestWindow = 1 << 0,
    kCandidateWindow = 1 << 1,
    kIndicatorWindow = 1 << 2,
  };
  TipUiElementManager() = default;
  TipUiElementManager(const TipUiElementManager &) = delete;
  TipUiElementManager &operator=(const TipUiElementManager &) = delete;
  ~TipUiElementManager() = default;

  ITfUIElement *GetElement(UIElementFlags element) const;
  DWORD GetElementId(UIElementFlags element) const;
  HRESULT OnUpdate(TipTextService *text_service, ITfContext *context);
  bool IsVisible(ITfUIElementMgr *ui_element_manager,
                 UIElementFlags element) const;

 private:
  struct UIElementInfo {
    UIElementInfo() : id(TF_INVALID_UIELEMENTID) {}
    DWORD id;
    wil::com_ptr_nothrow<ITfUIElement> element;
  };

  using UiElementMap =
      absl::flat_hash_map<TipUiElementManager::UIElementFlags, UIElementInfo>;
  UiElementMap ui_element_map_;
};

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

#endif  // MOZC_WIN32_TIP_TIP_UI_ELEMENT_MANAGER_H_
