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/**
 * CyrTranslit: the Cyrillic transliteration plug-in for Miranda IM.
 * Copyright 2005 Ivan Krechetov.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */

#pragma once

#include "stdafx.h"

namespace CyrTranslit
{

/**
* The Miranda IM contact abstraction in respect to the transliteration process.
*/
class MirandaContact
{
public:
	/**
	* This message must be sent on Miranda startup.
	*/
	static void initialize();

	/**
	* A factory method which instantiates new MirandaContact objects, loading
	* its data from the Miranda database.
	*
	* @param hContact The handle of the contact object to be instantiated.
	* @return The Miranda IM contact having the passed handle.
	*/
	static bool bIsActive(MCONTACT hContact);

	/**
	* Saves this object's data to the persistent storage -- the Miranda
	* database. This information may be retrieved later on by means of
	* getContact() factory method invocation.
	*/
	static void save(MCONTACT hContact, bool bValue);

private:
	static const char* SETTINGS_MODULE;
	static const char* SETTING_SHOULD_TRANSLITERATE;

	static char *MENU_ITEM_TEXT;

	/**
	* Must be called on Miranda start-up to generate the transliteration
	* command menu items for all the contacts (a contact-specific menu).
	*/
	static void addMenuItem();

	/**
	* This is a callback function for the transliteration command menu item.
	* This menu item is contact-specific.
	*
	* @param wParam The HANDLE of the contact that owns the activated menu
	* item.
	* @param lParam hwndContactList
	* @return Always returns 0.
	*/
	static INT_PTR onMenuCommandTransliterate(WPARAM wParam, LPARAM lParam);

	/**
	* This is a service name to bind the onMenuCommandTransliterate() method to
	* within the Miranda IM framework.
	*/
	static char *MENU_COMMAND_CALLBACK_SERVICE;

	/**
	* Stores the handle to a single user menu item shared by all the contacts.
	* This menu item has a contact-specific state -- checked or unchecked, as
	* far as for some contacts transliteration may be on, and for others it may
	* be off.
	*
	* MirandaContact class makes the necessary update just before a menu is
	* shown for a contact: it checks or unchecks the transliteration menu item.
	*
	* When the transliteration menu item is activated by a user, the
	* transliteration setting (on or off) is inverted for the contact owing the
	* menu.
	*/
	static HGENMENU hTransliterateCmdMenuItem;

	/**
	* @param wParam The HANDLE of the contact that owns the menu item being
	* built.
	* @param lParam = 0.
	* @return Always returns 0.
	*/
	static int onPreBuildContactMenu(WPARAM wParam, LPARAM lParam);
};

}