#pragma once

#include <Windows.h>
#include <string>
#include "huagao/huagao_ui.h"


class twain_ui
{
	HMODULE				dll_;
	ui_show_api			show_;
	ui_hide_api			hide_;
	handle_event_api	event_;
	ui_handle			hui_;
	std::wstring		path_;
	bool				good_;
	UITYPE				type_;

	bool load(void);

public:
	twain_ui(const wchar_t* path);
	~twain_ui();

public:
	void show_main_ui(LPSANEAPI api);
	void show_setting_ui(LPSANEAPI api, bool with_scan);
	void show_progress_ui(LPSANEAPI api);
	void hide_ui(void);
	void handle_sane_event(int sane_ev, void* data, unsigned int* len);

	bool is_ok(void);
	bool is_progress_ui_showing(void);
};