/** 
 * @file llavataractions.h
 * @brief Friend-related actions (add, remove, offer teleport, etc)
 *
 * $LicenseInfo:firstyear=2009&license=viewergpl$
 * 
 * Copyright (c) 2009, Linden Research, Inc.
 * 
 * Second Life Viewer Source Code
 * The source code in this file ("Source Code") is provided by Linden Lab
 * to you under the terms of the GNU General Public License, version 2.0
 * ("GPL"), unless you have obtained a separate licensing agreement
 * ("Other License"), formally executed by you and Linden Lab.  Terms of
 * the GPL can be found in doc/GPL-license.txt in this distribution, or
 * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
 * 
 * There are special exceptions to the terms and conditions of the GPL as
 * it is applied to this Source Code. View the full text of the exception
 * in the file doc/FLOSS-exception.txt in this software distribution, or
 * online at
 * http://secondlifegrid.net/programs/open_source/licensing/flossexception
 * 
 * By copying, modifying or distributing this software, you acknowledge
 * that you have read and understood your obligations described above,
 * and agree to abide by those obligations.
 * 
 * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
 * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
 * COMPLETENESS OR PERFORMANCE.
 * $/LicenseInfo$
 */

#ifndef LL_LLAVATARACTIONS_H
#define LL_LLAVATARACTIONS_H

#include "lldarray.h"
#include "llsd.h"
#include "lluuid.h"

#include <string>
#include <vector>

/**
 * Friend-related actions (add, remove, offer teleport, etc)
 */
class LLAvatarActions
{
public:
	/**
	 * Show a dialog explaining what friendship entails, then request friendship.
	 */
	static void requestFriendshipDialog(const LLUUID& id, const std::string& name);

	/**
	 * Show a dialog explaining what friendship entails, then request friendship.
	 */
	static void requestFriendshipDialog(const LLUUID& id);

	/**
	 * Show a friend removal dialog.
	 */
	static void removeFriendDialog(const LLUUID& id);
	static void removeFriendsDialog(const std::vector<LLUUID>& ids);
	
	/**
	 * Show teleport offer dialog.
	 */
	static void offerTeleport(const LLUUID& invitee);
	static void offerTeleport(const std::vector<LLUUID>& ids);

	/**
	 * Start instant messaging session.
	 */
	static void startIM(const LLUUID& id);

	/**
	 * End instant messaging session.
	 */
	static void endIM(const LLUUID& id);

	/**
	 * Start an avatar-to-avatar voice call with another user
	 */
	static void startCall(const LLUUID& id);

	/**
	 * Start an ad-hoc conference voice call with multiple users
	 */
	static void startAdhocCall(const std::vector<LLUUID>& ids);

	/**
	 * Start conference chat with the given avatars.
	 */
	static void startConference(const std::vector<LLUUID>& ids);

	/**
	 * Show avatar profile.
	 */
	static void showProfile(const LLUUID& id);

	/**
	 * Show avatar on world map.
	 */
	static void showOnMap(const LLUUID& id);

	/**
	 * Give money to the avatar.
	 */
	static void pay(const LLUUID& id);

	/**
	 * Share items with the avatar.
	 */
	static void share(const LLUUID& id);

	/**
	 * Block/unblock the avatar.
	 */
	static void toggleBlock(const LLUUID& id);

	/**
	 * Return true if avatar with "id" is a friend
	 */
	static bool isFriend(const LLUUID& id);

	/**
	 * @return true if the avatar is blocked
	 */
	static bool isBlocked(const LLUUID& id);

	/**
	 * @return true if you can block the avatar
	 */
	static bool canBlock(const LLUUID& id);

	/**
	 * Return true if the avatar is in a P2P voice call with a given user
	 */
	/* AD *TODO: Is this function needed any more?
		I fixed it a bit(added check for canCall), but it appears that it is not used
		anywhere. Maybe it should be removed?
	static bool isCalling(const LLUUID &id);*/

	/**
	 * @return true if call to the resident can be made
	 */

	static bool canCall();
	/**
	 * Invite avatar to a group.
	 */	
	static void inviteToGroup(const LLUUID& id);
	
	/**
	 * Kick avatar off grid
	 */	
	static void kick(const LLUUID& id);

	/**
	 * Freeze avatar
	 */	
	static void freeze(const LLUUID& id);

	/**
	 * Unfreeze avatar
	 */	
	static void unfreeze(const LLUUID& id);

	/**
	 * Open csr page for avatar
	 */	
	static void csr(const LLUUID& id, std::string name);

	/**
	 * Checks whether can offer teleport to the avatar
	 * Can't offer only for offline friends
	 */
	static bool canOfferTeleport(const LLUUID& id);

	
private:
	static bool callbackAddFriend(const LLSD& notification, const LLSD& response);
	static bool callbackAddFriendWithMessage(const LLSD& notification, const LLSD& response);
	static bool handleRemove(const LLSD& notification, const LLSD& response);
	static bool handlePay(const LLSD& notification, const LLSD& response, LLUUID avatar_id);
	static bool handleKick(const LLSD& notification, const LLSD& response);
	static bool handleFreeze(const LLSD& notification, const LLSD& response);
	static bool handleUnfreeze(const LLSD& notification, const LLSD& response);
	static void callback_invite_to_group(LLUUID group_id, LLUUID id);

	// Just request friendship, no dialog.
	static void requestFriendship(const LLUUID& target_id, const std::string& target_name, const std::string& message);
};

#endif // LL_LLAVATARACTIONS_H