/indra/newview/llviewermessage.cpp

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/** 
 * @file llviewermessage.cpp
 * @brief Dumping ground for viewer-side message system callbacks.
 *
 * $LicenseInfo:firstyear=2002&license=viewerlgpl$
 * Second Life Viewer Source Code
 * Copyright (C) 2010, Linden Research, Inc.
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation;
 * version 2.1 of the License only.
 * 
 * This library 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
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 * 
 * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
 * $/LicenseInfo$
 */

#include "llviewerprecompiledheaders.h"
#include "llviewermessage.h"
#include "boost/lexical_cast.hpp"

// Linden libraries
#include "llanimationstates.h"
#include "llaudioengine.h" 
#include "llavataractions.h"
#include "llavatarnamecache.h"		// IDEVO HACK
#include "lscript_byteformat.h"
#include "lleconomy.h"
#include "lleventtimer.h"
#include "llfloaterreg.h"
#include "llfolderview.h"
#include "llfollowcamparams.h"
#include "llinventorydefines.h"
#include "lllslconstants.h"
#include "llregionhandle.h"
#include "llsdserialize.h"
#include "llteleportflags.h"
#include "lltransactionflags.h"
#include "llvfile.h"
#include "llvfs.h"
#include "llxfermanager.h"
#include "mean_collision_data.h"

#include "llagent.h"
#include "llagentcamera.h"
#include "llcallingcard.h"
#include "llbuycurrencyhtml.h"
#include "llfirstuse.h"
#include "llfloaterbuyland.h"
#include "llfloaterland.h"
#include "llfloaterregioninfo.h"
#include "llfloaterlandholdings.h"
#include "llfloaterpreference.h"
#include "llfloatersidepanelcontainer.h"
#include "llfloatersnapshot.h"
#include "llhudeffecttrail.h"
#include "llhudmanager.h"
#include "llinventoryfunctions.h"
#include "llinventoryobserver.h"
#include "llinventorypanel.h"
#include "llnearbychat.h"
#include "llnotifications.h"
#include "llnotificationsutil.h"
#include "llpanelgrouplandmoney.h"
#include "llrecentpeople.h"
#include "llscriptfloater.h"
#include "llselectmgr.h"
#include "llstartup.h"
#include "llsky.h"
#include "llslurl.h"
#include "llstatenums.h"
#include "llstatusbar.h"
#include "llimview.h"
#include "llspeakers.h"
#include "lltrans.h"
#include "lltranslate.h"
#include "llviewerfoldertype.h"
#include "llvoavatar.h"				// IDEVO HACK
#include "lluri.h"
#include "llviewergenericmessage.h"
#include "llviewermenu.h"
#include "llviewerinventory.h"
#include "llviewerjoystick.h"
#include "llviewerobjectlist.h"
#include "llviewerparcelmgr.h"
#include "llviewerstats.h"
#include "llviewertexteditor.h"
#include "llviewerthrottle.h"
#include "llviewerwindow.h"
#include "llvlmanager.h"
#include "llvoavatarself.h"
#include "llworld.h"
#include "pipeline.h"
#include "llfloaterworldmap.h"
#include "llviewerdisplay.h"
#include "llkeythrottle.h"
#include "llgroupactions.h"
#include "llagentui.h"
#include "llpanelblockedlist.h"
#include "llpanelplaceprofile.h"

#include <boost/algorithm/string/split.hpp> //
#include <boost/regex.hpp>

#include "llnotificationmanager.h" //

#if LL_MSVC
// disable boost::lexical_cast warning
#pragma warning (disable:4702)
#endif

//
// Constants
//
const F32 BIRD_AUDIBLE_RADIUS = 32.0f;
const F32 SIT_DISTANCE_FROM_TARGET = 0.25f;
const F32 CAMERA_POSITION_THRESHOLD_SQUARED = 0.001f * 0.001f;
static const F32 LOGOUT_REPLY_TIME = 3.f;	// Wait this long after LogoutReply before quitting.

// Determine how quickly residents' scripts can issue question dialogs
// Allow bursts of up to 5 dialogs in 10 seconds. 10*2=20 seconds recovery if throttle kicks in
static const U32 LLREQUEST_PERMISSION_THROTTLE_LIMIT	= 5;     // requests
static const F32 LLREQUEST_PERMISSION_THROTTLE_INTERVAL	= 10.0f; // seconds

extern BOOL gDebugClicks;

// function prototypes
bool check_offer_throttle(const std::string& from_name, bool check_only);
static void process_money_balance_reply_extended(LLMessageSystem* msg);

//inventory offer throttle globals
LLFrameTimer gThrottleTimer;
const U32 OFFER_THROTTLE_MAX_COUNT=5; //number of items per time period
const F32 OFFER_THROTTLE_TIME=10.f; //time period in seconds

//script permissions
const std::string SCRIPT_QUESTIONS[SCRIPT_PERMISSION_EOF] = 
	{ 
		"ScriptTakeMoney",
		"ActOnControlInputs",
		"RemapControlInputs",
		"AnimateYourAvatar",
		"AttachToYourAvatar",
		"ReleaseOwnership",
		"LinkAndDelink",
		"AddAndRemoveJoints",
		"ChangePermissions",
		"TrackYourCamera",
		"ControlYourCamera"
	};

const BOOL SCRIPT_QUESTION_IS_CAUTION[SCRIPT_PERMISSION_EOF] = 
{
	TRUE,	// ScriptTakeMoney,
	FALSE,	// ActOnControlInputs
	FALSE,	// RemapControlInputs
	FALSE,	// AnimateYourAvatar
	FALSE,	// AttachToYourAvatar
	FALSE,	// ReleaseOwnership,
	FALSE,	// LinkAndDelink,
	FALSE,	// AddAndRemoveJoints
	FALSE,	// ChangePermissions
	FALSE,	// TrackYourCamera,
	FALSE	// ControlYourCamera
};

bool friendship_offer_callback(const LLSD& notification, const LLSD& response)
{
	S32 option = LLNotificationsUtil::getSelectedOption(notification, response);
	LLMessageSystem* msg = gMessageSystem;
	const LLSD& payload = notification["payload"];

	// add friend to recent people list
	LLRecentPeople::instance().add(payload["from_id"]);

	switch(option)
	{
	case 0:
	{
		// accept
		LLAvatarTracker::formFriendship(payload["from_id"]);

		const LLUUID fid = gInventory.findCategoryUUIDForType(LLFolderType::FT_CALLINGCARD);

		// This will also trigger an onlinenotification if the user is online
		msg->newMessageFast(_PREHASH_AcceptFriendship);
		msg->nextBlockFast(_PREHASH_AgentData);
		msg->addUUIDFast(_PREHASH_AgentID, gAgent.getID());
		msg->addUUIDFast(_PREHASH_SessionID, gAgent.getSessionID());
		msg->nextBlockFast(_PREHASH_TransactionBlock);
		msg->addUUIDFast(_PREHASH_TransactionID, payload["session_id"]);
		msg->nextBlockFast(_PREHASH_FolderData);
		msg->addUUIDFast(_PREHASH_FolderID, fid);
		msg->sendReliable(LLHost(payload["sender"].asString()));

		LLSD payload = notification["payload"];
		payload["SUPPRESS_TOAST"] = true;
		LLNotificationsUtil::add("FriendshipAcceptedByMe",
				notification["substitutions"], payload);
		break;
	}
	case 1: // Decline
	{
		LLSD payload = notification["payload"];
		payload["SUPPRESS_TOAST"] = true;
		LLNotificationsUtil::add("FriendshipDeclinedByMe",
				notification["substitutions"], payload);
	}
	// fall-through
	case 2: // Send IM - decline and start IM session
		{
			// decline
			// We no longer notify other viewers, but we DO still send
			// the rejection to the simulator to delete the pending userop.
			msg->newMessageFast(_PREHASH_DeclineFriendship);
			msg->nextBlockFast(_PREHASH_AgentData);
			msg->addUUIDFast(_PREHASH_AgentID, gAgent.getID());
			msg->addUUIDFast(_PREHASH_SessionID, gAgent.getSessionID());
			msg->nextBlockFast(_PREHASH_TransactionBlock);
			msg->addUUIDFast(_PREHASH_TransactionID, payload["session_id"]);
			msg->sendReliable(LLHost(payload["sender"].asString()));

			// start IM session
			if(2 == option)
			{
				LLAvatarActions::startIM(payload["from_id"].asUUID());
			}
	}
	default:
		// close button probably, possibly timed out
		break;
	}

	return false;
}
static LLNotificationFunctorRegistration friendship_offer_callback_reg("OfferFriendship", friendship_offer_callback);
static LLNotificationFunctorRegistration friendship_offer_callback_reg_nm("OfferFriendshipNoMessage", friendship_offer_callback);

//const char BUSY_AUTO_RESPONSE[] =	"The Resident you messaged is in 'busy mode' which means they have "
//									"requested not to be disturbed. Your message will still be shown in their IM "
//									"panel for later viewing.";

//
// Functions
//

void give_money(const LLUUID& uuid, LLViewerRegion* region, S32 amount, BOOL is_group,
				S32 trx_type, const std::string& desc)
{
	if(0 == amount || !region) return;
	amount = abs(amount);
	LL_INFOS("Messaging") << "give_money(" << uuid << "," << amount << ")"<< LL_ENDL;
	if(can_afford_transaction(amount))
	{
//		gStatusBar->debitBalance(amount);
		LLMessageSystem* msg = gMessageSystem;
		msg->newMessageFast(_PREHASH_MoneyTransferRequest);
		msg->nextBlockFast(_PREHASH_AgentData);
		msg->addUUIDFast(_PREHASH_AgentID, gAgent.getID());
        msg->addUUIDFast(_PREHASH_SessionID, gAgent.getSessionID());
		msg->nextBlockFast(_PREHASH_MoneyData);
		msg->addUUIDFast(_PREHASH_SourceID, gAgent.getID() );
		msg->addUUIDFast(_PREHASH_DestID, uuid);
		msg->addU8Fast(_PREHASH_Flags, pack_transaction_flags(FALSE, is_group));
		msg->addS32Fast(_PREHASH_Amount, amount);
		msg->addU8Fast(_PREHASH_AggregatePermNextOwner, (U8)LLAggregatePermissions::AP_EMPTY);
		msg->addU8Fast(_PREHASH_AggregatePermInventory, (U8)LLAggregatePermissions::AP_EMPTY);
		msg->addS32Fast(_PREHASH_TransactionType, trx_type );
		msg->addStringFast(_PREHASH_Description, desc);
		msg->sendReliable(region->getHost());
	}
	else
	{
		LLStringUtil::format_map_t args;
		args["AMOUNT"] = llformat("%d", amount);
		LLBuyCurrencyHTML::openCurrencyFloater( LLTrans::getString("giving", args), amount );
	}
}

void send_complete_agent_movement(const LLHost& sim_host)
{
	LLMessageSystem* msg = gMessageSystem;
	msg->newMessageFast(_PREHASH_CompleteAgentMovement);
	msg->nextBlockFast(_PREHASH_AgentData);
	msg->addUUIDFast(_PREHASH_AgentID, gAgent.getID());
	msg->addUUIDFast(_PREHASH_SessionID, gAgent.getSessionID());
	msg->addU32Fast(_PREHASH_CircuitCode, msg->mOurCircuitCode);
	msg->sendReliable(sim_host);
}

void process_logout_reply(LLMessageSystem* msg, void**)
{
	// The server has told us it's ok to quit.
	LL_DEBUGS("Messaging") << "process_logout_reply" << LL_ENDL;

	LLUUID agent_id;
	msg->getUUID("AgentData", "AgentID", agent_id);
	LLUUID session_id;
	msg->getUUID("AgentData", "SessionID", session_id);
	if((agent_id != gAgent.getID()) || (session_id != gAgent.getSessionID()))
	{
		LL_WARNS("Messaging") << "Bogus Logout Reply" << LL_ENDL;
	}

	LLInventoryModel::update_map_t parents;
	S32 count = msg->getNumberOfBlocksFast( _PREHASH_InventoryData );
	for(S32 i = 0; i < count; ++i)
	{
		LLUUID item_id;
		msg->getUUIDFast(_PREHASH_InventoryData, _PREHASH_ItemID, item_id, i);

		if( (1 == count) && item_id.isNull() )
		{
			// Detect dummy item.  Indicates an empty list.
			break;
		}

		// We do not need to track the asset ids, just account for an
		// updated inventory version.
		LL_INFOS("Messaging") << "process_logout_reply itemID=" << item_id << LL_ENDL;
		LLInventoryItem* item = gInventory.getItem( item_id );
		if( item )
		{
			parents[item->getParentUUID()] = 0;
			gInventory.addChangedMask(LLInventoryObserver::INTERNAL, item_id);
		}
		else
		{
			LL_INFOS("Messaging") << "process_logout_reply item not found: " << item_id << LL_ENDL;
		}
	}
    LLAppViewer::instance()->forceQuit();
}

void process_layer_data(LLMessageSystem *mesgsys, void **user_data)
{
	LLViewerRegion *regionp = LLWorld::getInstance()->getRegion(mesgsys->getSender());

	if(!regionp)
	{
		llwarns << "Invalid region for layer data." << llendl;
		return;
	}
	S32 size;
	S8 type;

	mesgsys->getS8Fast(_PREHASH_LayerID, _PREHASH_Type, type);
	size = mesgsys->getSizeFast(_PREHASH_LayerData, _PREHASH_Data);
	if (0 == size)
	{
		LL_WARNS("Messaging") << "Layer data has zero size." << LL_ENDL;
		return;
	}
	if (size < 0)
	{
		// getSizeFast() is probably trying to tell us about an error
		LL_WARNS("Messaging") << "getSizeFast() returned negative result: "
			<< size
			<< LL_ENDL;
		return;
	}
	U8 *datap = new U8[size];
	mesgsys->getBinaryDataFast(_PREHASH_LayerData, _PREHASH_Data, datap, size);
	LLVLData *vl_datap = new LLVLData(regionp, type, datap, size);
	if (mesgsys->getReceiveCompressedSize())
	{
		gVLManager.addLayerData(vl_datap, mesgsys->getReceiveCompressedSize());
	}
	else
	{
		gVLManager.addLayerData(vl_datap, mesgsys->getReceiveSize());
	}
}

// S32 exported_object_count = 0;
// S32 exported_image_count = 0;
// S32 current_object_count = 0;
// S32 current_image_count = 0;

// extern LLNotifyBox *gExporterNotify;
// extern LLUUID gExporterRequestID;
// extern std::string gExportDirectory;

// extern LLUploadDialog *gExportDialog;

// std::string gExportedFile;

// std::map<LLUUID, std::string> gImageChecksums;

// void export_complete()
// {
// 		LLUploadDialog::modalUploadFinished();
// 		gExporterRequestID.setNull();
// 		gExportDirectory = "";

// 		LLFILE* fXML = LLFile::fopen(gExportedFile, "rb");		/* Flawfinder: ignore */
// 		fseek(fXML, 0, SEEK_END);
// 		long length = ftell(fXML);
// 		fseek(fXML, 0, SEEK_SET);
// 		U8 *buffer = new U8[length + 1];
// 		size_t nread = fread(buffer, 1, length, fXML);
// 		if (nread < (size_t) length)
// 		{
// 			LL_WARNS("Messaging") << "Short read" << LL_ENDL;
// 		}
// 		buffer[nread] = '\0';
// 		fclose(fXML);

// 		char *pos = (char *)buffer;
// 		while ((pos = strstr(pos+1, "<sl:image ")) != 0)
// 		{
// 			char *pos_check = strstr(pos, "checksum=\"");

// 			if (pos_check)
// 			{
// 				char *pos_uuid = strstr(pos_check, "\">");

// 				if (pos_uuid)
// 				{
// 					char image_uuid_str[UUID_STR_SIZE];		/* Flawfinder: ignore */
// 					memcpy(image_uuid_str, pos_uuid+2, UUID_STR_SIZE-1);		/* Flawfinder: ignore */
// 					image_uuid_str[UUID_STR_SIZE-1] = 0;
					
// 					LLUUID image_uuid(image_uuid_str);

// 					LL_INFOS("Messaging") << "Found UUID: " << image_uuid << LL_ENDL;

// 					std::map<LLUUID, std::string>::iterator itor = gImageChecksums.find(image_uuid);
// 					if (itor != gImageChecksums.end())
// 					{
// 						LL_INFOS("Messaging") << "Replacing with checksum: " << itor->second << LL_ENDL;
// 						if (!itor->second.empty())
// 						{
// 							memcpy(&pos_check[10], itor->second.c_str(), 32);		/* Flawfinder: ignore */
// 						}
// 					}
// 				}
// 			}
// 		}

// 		LLFILE* fXMLOut = LLFile::fopen(gExportedFile, "wb");		/* Flawfinder: ignore */
// 		if (fwrite(buffer, 1, length, fXMLOut) != length)
// 		{
// 			LL_WARNS("Messaging") << "Short write" << LL_ENDL;
// 		}
// 		fclose(fXMLOut);

// 		delete [] buffer;
// }


// void exported_item_complete(const LLTSCode status, void *user_data)
// {
// 	//std::string *filename = (std::string *)user_data;

// 	if (status < LLTS_OK)
// 	{
// 		LL_WARNS("Messaging") << "Export failed!" << LL_ENDL;
// 	}
// 	else
// 	{
// 		++current_object_count;
// 		if (current_image_count == exported_image_count && current_object_count == exported_object_count)
// 		{
// 			LL_INFOS("Messaging") << "*** Export complete ***" << LL_ENDL;

// 			export_complete();
// 		}
// 		else
// 		{
// 			gExportDialog->setMessage(llformat("Exported %d/%d object files, %d/%d textures.", current_object_count, exported_object_count, current_image_count, exported_image_count));
// 		}
// 	}
// }

// struct exported_image_info
// {
// 	LLUUID image_id;
// 	std::string filename;
// 	U32 image_num;
// };

// void exported_j2c_complete(const LLTSCode status, void *user_data)
// {
// 	exported_image_info *info = (exported_image_info *)user_data;
// 	LLUUID image_id = info->image_id;
// 	U32 image_num = info->image_num;
// 	std::string filename = info->filename;
// 	delete info;

// 	if (status < LLTS_OK)
// 	{
// 		LL_WARNS("Messaging") << "Image download failed!" << LL_ENDL;
// 	}
// 	else
// 	{
// 		LLFILE* fIn = LLFile::fopen(filename, "rb");		/* Flawfinder: ignore */
// 		if (fIn) 
// 		{
// 			LLPointer<LLImageJ2C> ImageUtility = new LLImageJ2C;
// 			LLPointer<LLImageTGA> TargaUtility = new LLImageTGA;

// 			fseek(fIn, 0, SEEK_END);
// 			S32 length = ftell(fIn);
// 			fseek(fIn, 0, SEEK_SET);
// 			U8 *buffer = ImageUtility->allocateData(length);
// 			if (fread(buffer, 1, length, fIn) != length)
// 			{
// 				LL_WARNS("Messaging") << "Short read" << LL_ENDL;
// 			}
// 			fclose(fIn);
// 			LLFile::remove(filename);

// 			// Convert to TGA
// 			LLPointer<LLImageRaw> image = new LLImageRaw();

// 			ImageUtility->updateData();
// 			ImageUtility->decode(image, 100000.0f);
			
// 			TargaUtility->encode(image);
// 			U8 *data = TargaUtility->getData();
// 			S32 data_size = TargaUtility->getDataSize();

// 			std::string file_path = gDirUtilp->getDirName(filename);
			
// 			std::string output_file = llformat("%s/image-%03d.tga", file_path.c_str(), image_num);//filename;
// 			//S32 name_len = output_file.length();
// 			//strcpy(&output_file[name_len-3], "tga");
// 			LLFILE* fOut = LLFile::fopen(output_file, "wb");		/* Flawfinder: ignore */
// 			char md5_hash_string[33];		/* Flawfinder: ignore */
// 			strcpy(md5_hash_string, "00000000000000000000000000000000");		/* Flawfinder: ignore */
// 			if (fOut)
// 			{
// 				if (fwrite(data, 1, data_size, fOut) != data_size)
// 				{
// 					LL_WARNS("Messaging") << "Short write" << LL_ENDL;
// 				}
// 				fseek(fOut, 0, SEEK_SET);
// 				fclose(fOut);
// 				fOut = LLFile::fopen(output_file, "rb");		/* Flawfinder: ignore */
// 				LLMD5 my_md5_hash(fOut);
// 				my_md5_hash.hex_digest(md5_hash_string);
// 			}

// 			gImageChecksums.insert(std::pair<LLUUID, std::string>(image_id, md5_hash_string));
// 		}
// 	}

// 	++current_image_count;
// 	if (current_image_count == exported_image_count && current_object_count == exported_object_count)
// 	{
// 		LL_INFOS("Messaging") << "*** Export textures complete ***" << LL_ENDL;
// 			export_complete();
// 	}
// 	else
// 	{
// 		gExportDialog->setMessage(llformat("Exported %d/%d object files, %d/%d textures.", current_object_count, exported_object_count, current_image_count, exported_image_count));
// 	}
//}

void process_derez_ack(LLMessageSystem*, void**)
{
	if(gViewerWindow) gViewerWindow->getWindow()->decBusyCount();
}

void process_places_reply(LLMessageSystem* msg, void** data)
{
	LLUUID query_id;

	msg->getUUID("AgentData", "QueryID", query_id);
	if (query_id.isNull())
	{
		LLFloaterLandHoldings::processPlacesReply(msg, data);
	}
	else if(gAgent.isInGroup(query_id))
	{
		LLPanelGroupLandMoney::processPlacesReply(msg, data);
	}
	else
	{
		LL_WARNS("Messaging") << "Got invalid PlacesReply message" << LL_ENDL;
	}
}

void send_sound_trigger(const LLUUID& sound_id, F32 gain)
{
	if (sound_id.isNull() || gAgent.getRegion() == NULL)
	{
		// disconnected agent or zero guids don't get sent (no sound)
		return;
	}

	LLMessageSystem* msg = gMessageSystem;
	msg->newMessageFast(_PREHASH_SoundTrigger);
	msg->nextBlockFast(_PREHASH_SoundData);
	msg->addUUIDFast(_PREHASH_SoundID, sound_id);
	// Client untrusted, ids set on sim
	msg->addUUIDFast(_PREHASH_OwnerID, LLUUID::null );
	msg->addUUIDFast(_PREHASH_ObjectID, LLUUID::null );
	msg->addUUIDFast(_PREHASH_ParentID, LLUUID::null );

	msg->addU64Fast(_PREHASH_Handle, gAgent.getRegion()->getHandle());

	LLVector3 position = gAgent.getPositionAgent();
	msg->addVector3Fast(_PREHASH_Position, position);
	msg->addF32Fast(_PREHASH_Gain, gain);

	gAgent.sendMessage();
}

bool join_group_response(const LLSD& notification, const LLSD& response)
{
	S32 option = LLNotificationsUtil::getSelectedOption(notification, response);
	BOOL delete_context_data = TRUE;
	bool accept_invite = false;

	LLUUID group_id = notification["payload"]["group_id"].asUUID();
	LLUUID transaction_id = notification["payload"]["transaction_id"].asUUID();
	std::string name = notification["payload"]["name"].asString();
	std::string message = notification["payload"]["message"].asString();
	S32 fee = notification["payload"]["fee"].asInteger();

	if (option == 2 && !group_id.isNull())
	{
		LLGroupActions::show(group_id);
		LLSD args;
		args["MESSAGE"] = message;
		LLNotificationsUtil::add("JoinGroup", args, notification["payload"]);
		return false;
	}
	if(option == 0 && !group_id.isNull())
	{
		// check for promotion or demotion.
		S32 max_groups = gMaxAgentGroups;
		if(gAgent.isInGroup(group_id)) ++max_groups;

		if(gAgent.mGroups.count() < max_groups)
		{
			accept_invite = true;
		}
		else
		{
			delete_context_data = FALSE;
			LLSD args;
			args["NAME"] = name;
			LLNotificationsUtil::add("JoinedTooManyGroupsMember", args, notification["payload"]);
		}
	}

	if (accept_invite)
	{
		// If there is a fee to join this group, make
		// sure the user is sure they want to join.
		if (fee > 0)
		{
			delete_context_data = FALSE;
			LLSD args;
			args["COST"] = llformat("%d", fee);
			// Set the fee for next time to 0, so that we don't keep
			// asking about a fee.
			LLSD next_payload = notification["payload"];
			next_payload["fee"] = 0;
			LLNotificationsUtil::add("JoinGroupCanAfford",
									args,
									next_payload);
		}
		else
		{
			send_improved_im(group_id,
							 std::string("name"),
							 std::string("message"),
							IM_ONLINE,
							IM_GROUP_INVITATION_ACCEPT,
							transaction_id);
		}
	}
	else
	{
		send_improved_im(group_id,
						 std::string("name"),
						 std::string("message"),
						IM_ONLINE,
						IM_GROUP_INVITATION_DECLINE,
						transaction_id);
	}

	return false;
}

static void highlight_inventory_objects_in_panel(const std::vector<LLUUID>& items, LLInventoryPanel *inventory_panel)
{
	if (NULL == inventory_panel) return;

	for (std::vector<LLUUID>::const_iterator item_iter = items.begin();
		item_iter != items.end();
		++item_iter)
	{
		const LLUUID& item_id = (*item_iter);
		if(!highlight_offered_object(item_id))
		{
			continue;
		}

		LLInventoryObject* item = gInventory.getObject(item_id);
		llassert(item);
		if (!item) {
			continue;
		}

		LL_DEBUGS("Inventory_Move") << "Highlighting inventory item: " << item->getName() << ", " << item_id  << LL_ENDL;
		LLFolderView* fv = inventory_panel->getRootFolder();
		if (fv)
		{
			LLFolderViewItem* fv_item = fv->getItemByID(item_id);
			if (fv_item)
			{
				LLFolderViewItem* fv_folder = fv_item->getParentFolder();
				if (fv_folder)
				{
					// Parent folders can be different in case of 2 consecutive drag and drop
					// operations when the second one is started before the first one completes.
					LL_DEBUGS("Inventory_Move") << "Open folder: " << fv_folder->getName() << LL_ENDL;
					fv_folder->setOpen(TRUE);
					if (fv_folder->isSelected())
					{
						fv->changeSelection(fv_folder, FALSE);
					}
				}
				fv->changeSelection(fv_item, TRUE);
			}
		}
	}
}

static LLNotificationFunctorRegistration jgr_1("JoinGroup", join_group_response);
static LLNotificationFunctorRegistration jgr_2("JoinedTooManyGroupsMember", join_group_response);
static LLNotificationFunctorRegistration jgr_3("JoinGroupCanAfford", join_group_response);


//-----------------------------------------------------------------------------
// Instant Message
//-----------------------------------------------------------------------------
class LLOpenAgentOffer : public LLInventoryFetchItemsObserver
{
public:
	LLOpenAgentOffer(const LLUUID& object_id,
					 const std::string& from_name) : 
		LLInventoryFetchItemsObserver(object_id),
		mFromName(from_name) {}
	/*virtual*/ void startFetch()
	{
		for (uuid_vec_t::const_iterator it = mIDs.begin(); it < mIDs.end(); ++it)
		{
			LLViewerInventoryCategory* cat = gInventory.getCategory(*it);
			if (cat)
			{
				mComplete.push_back((*it));
			}
		}
		LLInventoryFetchItemsObserver::startFetch();
	}
	/*virtual*/ void done()
	{
		open_inventory_offer(mComplete, mFromName);
		gInventory.removeObserver(this);
		delete this;
	}
private:
	std::string mFromName;
};

/**
 * Class to observe adding of new items moved from the world to user's inventory to select them in inventory.
 *
 * We can't create it each time items are moved because "drop" event is sent separately for each
 * element even while multi-dragging. We have to have the only instance of the observer. See EXT-4347.
 */
class LLViewerInventoryMoveFromWorldObserver : public LLInventoryAddItemByAssetObserver
{
public:
	LLViewerInventoryMoveFromWorldObserver()
		: LLInventoryAddItemByAssetObserver()
	{

	}

	void setMoveIntoFolderID(const LLUUID& into_folder_uuid) {mMoveIntoFolderID = into_folder_uuid; }

private:
	/*virtual */void onAssetAdded(const LLUUID& asset_id)
	{
		// Store active Inventory panel.
		if (LLInventoryPanel::getActiveInventoryPanel())
		{
			mActivePanel = LLInventoryPanel::getActiveInventoryPanel()->getHandle();
		}

		// Store selected items (without destination folder)
		mSelectedItems.clear();
		if (LLInventoryPanel::getActiveInventoryPanel())
		{
			mSelectedItems = LLInventoryPanel::getActiveInventoryPanel()->getRootFolder()->getSelectionList();
		}
		mSelectedItems.erase(mMoveIntoFolderID);
	}

	/**
	 * Selects added inventory items watched by their Asset UUIDs if selection was not changed since
	 * all items were started to watch (dropped into a folder).
	 */
	void done()
	{
		LLInventoryPanel* active_panel = dynamic_cast<LLInventoryPanel*>(mActivePanel.get());

		// if selection is not changed since watch started lets hightlight new items.
		if (active_panel && !isSelectionChanged())
		{
			LL_DEBUGS("Inventory_Move") << "Selecting new items..." << LL_ENDL;
			active_panel->clearSelection();
			highlight_inventory_objects_in_panel(mAddedItems, active_panel);
		}
	}

	/**
	 * Returns true if selected inventory items were changed since moved inventory items were started to watch.
	 */
	bool isSelectionChanged()
	{	
		LLInventoryPanel* active_panel = dynamic_cast<LLInventoryPanel*>(mActivePanel.get());

		if (NULL == active_panel)
		{
			return true;
		}

		// get selected items (without destination folder)
		selected_items_t selected_items = active_panel->getRootFolder()->getSelectionList();
		selected_items.erase(mMoveIntoFolderID);

		// compare stored & current sets of selected items
		selected_items_t different_items;
		std::set_symmetric_difference(mSelectedItems.begin(), mSelectedItems.end(),
			selected_items.begin(), selected_items.end(), std::inserter(different_items, different_items.begin()));

		LL_DEBUGS("Inventory_Move") << "Selected firstly: " << mSelectedItems.size()
			<< ", now: " << selected_items.size() << ", difference: " << different_items.size() << LL_ENDL;

		return different_items.size() > 0;
	}

	LLHandle<LLPanel> mActivePanel;
	typedef std::set<LLUUID> selected_items_t;
	selected_items_t mSelectedItems;

	/**
	 * UUID of FolderViewFolder into which watched items are moved.
	 *
	 * Destination FolderViewFolder becomes selected while mouse hovering (when dragged items are dropped).
	 * 
	 * If mouse is moved out it set unselected and number of selected items is changed 
	 * even if selected items in Inventory stay the same.
	 * So, it is used to update stored selection list.
	 *
	 * @see onAssetAdded()
	 * @see isSelectionChanged()
	 */
	LLUUID mMoveIntoFolderID;
};

LLViewerInventoryMoveFromWorldObserver* gInventoryMoveObserver = NULL;

void set_dad_inventory_item(LLInventoryItem* inv_item, const LLUUID& into_folder_uuid)
{
	start_new_inventory_observer();

	gInventoryMoveObserver->setMoveIntoFolderID(into_folder_uuid);
	gInventoryMoveObserver->watchAsset(inv_item->getAssetUUID());
}


/**
 * Class to observe moving of items and to select them in inventory.
 *
 * Used currently for dragging from inbox to regular inventory folders
 */

class LLViewerInventoryMoveObserver : public LLInventoryObserver
{
public:

	LLViewerInventoryMoveObserver(const LLUUID& object_id)
		: LLInventoryObserver()
		, mObjectID(object_id)
	{
		if (LLInventoryPanel::getActiveInventoryPanel())
		{
			mActivePanel = LLInventoryPanel::getActiveInventoryPanel()->getHandle();
		}
	}

	virtual ~LLViewerInventoryMoveObserver() {}
	virtual void changed(U32 mask);
	
private:
	LLUUID mObjectID;
	LLHandle<LLPanel> mActivePanel;

};

void LLViewerInventoryMoveObserver::changed(U32 mask)
{
	LLInventoryPanel* active_panel = dynamic_cast<LLInventoryPanel*>(mActivePanel.get());

	if (NULL == active_panel)
	{
		gInventory.removeObserver(this);
		return;
	}

	if((mask & (LLInventoryObserver::STRUCTURE)) != 0)
	{
		const std::set<LLUUID>& changed_items = gInventory.getChangedIDs();

		std::set<LLUUID>::const_iterator id_it = changed_items.begin();
		std::set<LLUUID>::const_iterator id_end = changed_items.end();
		for (;id_it != id_end; ++id_it)
		{
			if ((*id_it) == mObjectID)
			{
				active_panel->clearSelection();			
				std::vector<LLUUID> items;
				items.push_back(mObjectID);
				highlight_inventory_objects_in_panel(items, active_panel);
				active_panel->getRootFolder()->scrollToShowSelection();
				
				gInventory.removeObserver(this);
				break;
			}
		}
	}
}

void set_dad_inbox_object(const LLUUID& object_id)
{
	LLViewerInventoryMoveObserver* move_observer = new LLViewerInventoryMoveObserver(object_id);
	gInventory.addObserver(move_observer);
}

//unlike the FetchObserver for AgentOffer, we only make one 
//instance of the AddedObserver for TaskOffers
//and it never dies.  We do this because we don't know the UUID of 
//task offers until they are accepted, so we don't wouldn't 
//know what to watch for, so instead we just watch for all additions.
class LLOpenTaskOffer : public LLInventoryAddedObserver
{
protected:
	/*virtual*/ void done()
	{
		for (uuid_vec_t::iterator it = mAdded.begin(); it != mAdded.end();)
		{
			const LLUUID& item_uuid = *it;
			bool was_moved = false;
			LLInventoryObject* added_object = gInventory.getObject(item_uuid);
			if (added_object)
			{
				// cast to item to get Asset UUID
				LLInventoryItem* added_item = dynamic_cast<LLInventoryItem*>(added_object);
				if (added_item)
				{
					const LLUUID& asset_uuid = added_item->getAssetUUID();
					if (gInventoryMoveObserver->isAssetWatched(asset_uuid))
					{
						LL_DEBUGS("Inventory_Move") << "Found asset UUID: " << asset_uuid << LL_ENDL;
						was_moved = true;
					}
				}
			}

			if (was_moved)
			{
				it = mAdded.erase(it);
			}
			else ++it;
		}

		open_inventory_offer(mAdded, "");
		mAdded.clear();
	}
 };

class LLOpenTaskGroupOffer : public LLInventoryAddedObserver
{
protected:
	/*virtual*/ void done()
	{
		open_inventory_offer(mAdded, "group_offer");
		mAdded.clear();
		gInventory.removeObserver(this);
		delete this;
	}
};

//one global instance to bind them
LLOpenTaskOffer* gNewInventoryObserver=NULL;
class LLNewInventoryHintObserver : public LLInventoryAddedObserver
{
protected:
	/*virtual*/ void done()
	{
		LLFirstUse::newInventory();
	}
};

LLNewInventoryHintObserver* gNewInventoryHintObserver=NULL;

void start_new_inventory_observer()
{
	if (!gNewInventoryObserver) //task offer observer 
	{
		// Observer is deleted by gInventory
		gNewInventoryObserver = new LLOpenTaskOffer;
		gInventory.addObserver(gNewInventoryObserver);
	}

	if (!gInventoryMoveObserver) //inventory move from the world observer 
	{
		// Observer is deleted by gInventory
		gInventoryMoveObserver = new LLViewerInventoryMoveFromWorldObserver;
		gInventory.addObserver(gInventoryMoveObserver);
	}

	if (!gNewInventoryHintObserver)
	{
		// Observer is deleted by gInventory
		gNewInventoryHintObserver = new LLNewInventoryHintObserver();
		gInventory.addObserver(gNewInventoryHintObserver);
	}
}

class LLDiscardAgentOffer : public LLInventoryFetchItemsObserver
{
	LOG_CLASS(LLDiscardAgentOffer);

public:
	LLDiscardAgentOffer(const LLUUID& folder_id, const LLUUID& object_id) :
		LLInventoryFetchItemsObserver(object_id),
		mFolderID(folder_id),
		mObjectID(object_id) {}

	virtual void done()
	{
		LL_DEBUGS("Messaging") << "LLDiscardAgentOffer::done()" << LL_ENDL;

		// We're invoked from LLInventoryModel::notifyObservers().
		// If we now try to remove the inventory item, it will cause a nested
		// notifyObservers() call, which won't work.
		// So defer moving the item to trash until viewer gets idle (in a moment).
		LLAppViewer::instance()->addOnIdleCallback(boost::bind(&LLInventoryModel::removeItem, &gInventory, mObjectID));
		gInventory.removeObserver(this);
		delete this;
	}

protected:
	LLUUID mFolderID;
	LLUUID mObjectID;
};


//Returns TRUE if we are OK, FALSE if we are throttled
//Set check_only true if you want to know the throttle status 
//without registering a hit
bool check_offer_throttle(const std::string& from_name, bool check_only)
{
	static U32 throttle_count;
	static bool throttle_logged;
	LLChat chat;
	std::string log_message;

	if (!gSavedSettings.getBOOL("ShowNewInventory"))
		return false;

	if (check_only)
	{
		return gThrottleTimer.hasExpired();
	}
	
	if(gThrottleTimer.checkExpirationAndReset(OFFER_THROTTLE_TIME))
	{
		LL_DEBUGS("Messaging") << "Throttle Expired" << LL_ENDL;
		throttle_count=1;
		throttle_logged=false;
		return true;
	}
	else //has not expired
	{
		LL_DEBUGS("Messaging") << "Throttle Not Expired, Count: " << throttle_count << LL_ENDL;
		// When downloading the initial inventory we get a lot of new items
		// coming in and can't tell that from spam.
		if (LLStartUp::getStartupState() >= STATE_STARTED
			&& throttle_count >= OFFER_THROTTLE_MAX_COUNT)
		{
			if (!throttle_logged)
			{
				// Use the name of the last item giver, who is probably the person
				// spamming you.

				LLStringUtil::format_map_t arg;
				std::string log_msg;
				std::ostringstream time ;
				time<<OFFER_THROTTLE_TIME;

				arg["APP_NAME"] = LLAppViewer::instance()->getSecondLifeTitle();
				arg["TIME"] = time.str();

				if (!from_name.empty())
				{
					arg["FROM_NAME"] = from_name;
					log_msg = LLTrans::getString("ItemsComingInTooFastFrom", arg);
				}
				else
				{
					log_msg = LLTrans::getString("ItemsComingInTooFast", arg);
				}
				
				//this is kinda important, so actually put it on screen
				LLSD args;
				args["MESSAGE"] = log_msg;
				LLNotificationsUtil::add("SystemMessage", args);

				throttle_logged=true;
			}
			return false;
		}
		else
		{
			throttle_count++;
			return true;
		}
	}
}
 
void open_inventory_offer(const uuid_vec_t& objects, const std::string& from_name)
{
	for (uuid_vec_t::const_iterator obj_iter = objects.begin();
		 obj_iter != objects.end();
		 ++obj_iter)
	{
		const LLUUID& obj_id = (*obj_iter);
		if(!highlight_offered_object(obj_id))
		{
			continue;
		}

		const LLInventoryObject *obj = gInventory.getObject(obj_id);
		if (!obj)
		{
			llwarns << "Cannot find object [ itemID:" << obj_id << " ] to open." << llendl;
			continue;
		}

		const LLAssetType::EType asset_type = obj->getActualType();

		// Either an inventory item or a category.
		const LLInventoryItem* item = dynamic_cast<const LLInventoryItem*>(obj);
		if (item)
		{
			////////////////////////////////////////////////////////////////////////////////
			// Special handling for various types.
			if (check_offer_throttle(from_name, false)) // If we are throttled, don't display
			{
				LL_DEBUGS("Messaging") << "Highlighting inventory item: " << item->getUUID()  << LL_ENDL;
				// If we opened this ourselves, focus it
				const BOOL take_focus = from_name.empty() ? TAKE_FOCUS_YES : TAKE_FOCUS_NO;
				switch(asset_type)
				{
					case LLAssetType::AT_NOTECARD:
					{
						LLFloaterReg::showInstance("preview_notecard", LLSD(obj_id), take_focus);
						break;
					}
					case LLAssetType::AT_LANDMARK:
					{
						LLInventoryCategory* parent_folder = gInventory.getCategory(item->getParentUUID());
						if ("inventory_handler" == from_name)
						{
							LLFloaterSidePanelContainer::showPanel("places", LLSD().with("type", "landmark").with("id", item->getUUID()));
						}
						else if("group_offer" == from_name)
						{
							// "group_offer" is passed by LLOpenTaskGroupOffer
							// Notification about added landmark will be generated under the "from_name.empty()" called from LLOpenTaskOffer::done().
							LLSD args;
							args["type"] = "landmark";
							args["id"] = obj_id;
							LLFloaterSidePanelContainer::showPanel("places", args);

							continue;
						}
						else if(from_name.empty())
						{
							std::string folder_name;
							if (parent_folder)
							{
								// Localize folder name.
								// *TODO: share this code?
								folder_name = parent_folder->getName();
								if (LLFolderType::lookupIsProtectedType(parent_folder->getPreferredType()))
								{
									LLTrans::findString(folder_name, "InvFolder " + folder_name);
								}
							}
							else
							{
								 folder_name = LLTrans::getString("Unknown");
							}

							// we receive a message from LLOpenTaskOffer, it mean that new landmark has been added.
							LLSD args;
							args["LANDMARK_NAME"] = item->getName();
							args["FOLDER_NAME"] = folder_name;
							LLNotificationsUtil::add("LandmarkCreated", args);
						}
					}
					break;
					case LLAssetType::AT_TEXTURE:
					{
						LLFloaterReg::showInstance("preview_texture", LLSD(obj_id), take_focus);
						break;
					}
					case LLAssetType::AT_ANIMATION:
						LLFloaterReg::showInstance("preview_anim", LLSD(obj_id), take_focus);
						break;
					case LLAssetType::AT_SCRIPT:
						LLFloaterReg::showInstance("preview_script", LLSD(obj_id), take_focus);
						break;
					case LLAssetType::AT_SOUND:
						LLFloaterReg::showInstance("preview_sound", LLSD(obj_id), take_focus);
						break;
					default:
						break;
				}
			}
		}

		////////////////////////////////////////////////////////////////////////////////
		// Highlight item
		const BOOL auto_open = 
			gSavedSettings.getBOOL("ShowInInventory") && // don't open if showininventory is false
			!from_name.empty(); // don't open if it's not from anyone.
		LLInventoryPanel::openInventoryPanelAndSetSelection(auto_open, obj_id);
	}
}

bool highlight_offered_object(const LLUUID& obj_id)
{
	const LLInventoryObject* obj = gInventory.getObject(obj_id);
	if(!obj)
	{
		LL_WARNS("Messaging") << "Unable to show inventory item: " << obj_id << LL_ENDL;
		return false;
	}

	////////////////////////////////////////////////////////////////////////////////
	// Don't highlight if it's in certain "quiet" folders which don't need UI
	// notification (e.g. trash, cof, lost-and-found).
	if(!gAgent.getAFK())
	{
		const LLViewerInventoryCategory *parent = gInventory.getFirstNondefaultParent(obj_id);
		if (parent)
		{
			const LLFolderType::EType parent_type = parent->getPreferredType();
			if (LLViewerFolderType::lookupIsQuietType(parent_type))
			{
				return false;
			}
		}
	}

	return true;
}

void inventory_offer_mute_callback(const LLUUID& blocked_id,
								   const std::string& full_name,
								   bool is_group)
{
	// *NOTE: blocks owner if the offer came from an object
	LLMute::EType mute_type = is_group ? LLMute::GROUP : LLMute::AGENT;

	LLMute mute(blocked_id, full_name, mute_type);
	if (LLMuteList::getInstance()->add(mute))
	{
		LLPanelBlockedList::showPanelAndSelect(blocked_id);
	}

	// purge the message queue of any previously queued inventory offers from the same source.
	class OfferMatcher : public LLNotificationsUI::LLScreenChannel::Matcher
	{
	public:
		OfferMatcher(const LLUUID& to_block) : blocked_id(to_block) {}
		bool matches(const LLNotificationPtr notification) const
		{
			if(notification->getName() == "ObjectGiveItem" 
				|| notification->getName() == "OwnObjectGiveItem"
				|| notification->getName() == "UserGiveItem")
			{
				return (notification->getPayload()["from_id"].asUUID() == blocked_id);
			}
			return FALSE;
		}
	private:
		const LLUUID& blocked_id;
	};

	LLNotificationsUI::LLChannelManager::getInstance()->killToastsFromChannel(LLUUID(
			gSavedSettings.getString("NotificationChannelUUID")), OfferMatcher(blocked_id));
}

LLOfferInfo::LLOfferInfo()
 : LLNotificationResponderInterface()
 , mFromGroup(FALSE)
 , mFromObject(FALSE)
 , mIM(IM_NOTHING_SPECIAL)
 , mType(LLAssetType::AT_NONE)
 , mPersist(false)
{
}

LLOfferInfo::LLOfferInfo(const LLSD& sd)
{
	mIM = (EInstantMessage)sd["im_type"].asInteger();
	mFromID = sd["from_id"].asUUID();
	mFromGroup = sd["from_group"].asBoolean();
	mFromObject = sd["from_object"].asBoolean();
	mTransactionID = sd["transaction_id"].asUUID();
	mFolderID = sd["folder_id"].asUUID();
	mObjectID = sd["object_id"].asUUID();
	mType = LLAssetType::lookup(sd["type"].asString().c_str());
	mFromName = sd["from_name"].asString();
	mDesc = sd["description"].asString();
	mHost = LLHost(sd["sender"].asString());
	mPersist = sd["persist"].asBoolean();
}

LLOfferInfo::LLOfferInfo(const LLOfferInfo& info)
{
	mIM = info.mIM;
	mFromID = info.mFromID;
	mFromGroup = info.mFromGroup;
	mFromObject = info.mFromObject;
	mTransactionID = info.mTransactionID;
	mFolderID = info.mFolderID;
	mObjectID = info.mObjectID;
	mType = info.mType;
	mFromName = info.mFromName;
	mDesc = info.mDesc;
	mHost = info.mHost;
	mPersist = info.mPersist;
}

LLSD LLOfferInfo::asLLSD()
{
	LLSD sd;
	sd["im_type"] = mIM;
	sd["from_id"] = mFromID;
	sd["from_group"] = mFromGroup;
	sd["from_object"] = mFromObject;
	sd["transaction_id"] = mTransactionID;
	sd["folder_id"] = mFolderID;
	sd["object_id"] = mObjectID;
	sd["type"] = LLAssetType::lookup(mType);
	sd["from_name"] = mFromName;
	sd["description"] = mDesc;
	sd["sender"] = mHost.getIPandPort();
	sd["persist"] = mPersist;
	return sd;
}

void LLOfferInfo::fromLLSD(const LLSD& params)
{
	*this = params;
}

void LLOfferInfo::send_auto_receive_response(void)
{	
	LLMessageSystem* msg = gMessageSystem;
	msg->newMessageFast(_PREHASH_ImprovedInstantMessage);
	msg->nextBlockFast(_PREHASH_AgentData);
	msg->addUUIDFast(_PREHASH_AgentID, gAgent.getID());
	msg->addUUIDFast(_PREHASH_SessionID, gAgent.getSessionID());
	msg->nextBlockFast(_PREHASH_MessageBlock);
	msg->addBOOLFast(_PREHASH_FromGroup, FALSE);
	msg->addUUIDFast(_PREHASH_ToAgentID, mFromID);
	msg->addU8Fast(_PREHASH_Offline, IM_ONLINE);
	msg->addUUIDFast(_PREHASH_ID, mTransactionID);
	msg->addU32Fast(_PREHASH_Timestamp, NO_TIMESTAMP); // no timestamp necessary
	std::string name;
	LLAgentUI::buildFullname(name);
	msg->addStringFast(_PREHASH_FromAgentName, name);
	msg->addStringFast(_PREHASH_Message, ""); 
	msg->addU32Fast(_PREHASH_ParentEstateID, 0);
	msg->addUUIDFast(_PREHASH_RegionID, LLUUID::null);
	msg->addVector3Fast(_PREHASH_Position, gAgent.getPositionAgent());
	
	// Auto Receive Message. The math for the dialog works, because the accept
	// for inventory_offered, task_inventory_offer or
	// group_notice_inventory is 1 greater than the offer integer value.
	// Generates IM_INVENTORY_ACCEPTED, IM_TASK_INVENTORY_ACCEPTED, 
	// or IM_GROUP_NOTICE_INVENTORY_ACCEPTED
	msg->addU8Fast(_PREHASH_Dialog, (U8)(mIM + 1));
	msg->addBinaryDataFast(_PREHASH_BinaryBucket, &(mFolderID.mData),
						   sizeof(mFolderID.mData));
	// send the message
	msg->sendReliable(mHost);
	
	if(IM_INVENTORY_OFFERED == mIM)
	{
		// add buddy to recent people list
		LLRecentPeople::instance().add(mFromID);
	}
}

void LLOfferInfo::handleRespond(const LLSD& notification, const LLSD& response)
{
	initRespondFunctionMap();

	const std::string name = notification["name"].asString();
	if(mRespondFunctions.find(name) == mRespondFunctions.end())
	{
		llwarns << "Unexpected notification name : " << name << llendl;
		llassert(!"Unexpected notification name");
		return;
	}

	mRespondFunctions[name](notification, response);
}

bool LLOfferInfo::inventory_offer_callback(const LLSD& notification, const LLSD& response)
{
	LLChat chat;
	std::string log_message;
	S32 button = LLNotificationsUtil::getSelectedOption(notification, response);

	LLInventoryObserver* opener = NULL;
	LLViewerInventoryCategory* catp = NULL;
	catp = (LLViewerInventoryCategory*)gInventory.getCategory(mObjectID);
	LLViewerInventoryItem* itemp = NULL;
	if(!catp)
	{
		itemp = (LLViewerInventoryItem*)gInventory.getItem(mObjectID);
	}
	 
	// For muting, we need to add the mute, then decline the offer.
	// This must be done here because:
	// * callback may be called immediately,
	// * adding the mute sends a message,
	// * we can't build two messages at once.
	if (2 == button) // Block
	{
		LLNotificationPtr notification_ptr = LLNotifications::instance().find(notification["id"].asUUID());

		llassert(notification_ptr != NULL);
		if (notification_ptr != NULL)
		{
			gCacheName->get(mFromID, mFromGroup, boost::bind(&inventory_offer_mute_callback, _1, _2, _3));
		}
	}

	std::string from_string; // Used in the pop-up.
	std::string chatHistory_string;  // Used in chat history.
	
	// TODO: when task inventory offers can also be handled the new way, migrate the code that sets these strings here:
	from_string = chatHistory_string = mFromName;
	
	bool busy = gAgent.getBusy();
	
	switch(button)
	{
	case IOR_SHOW:
		// we will want to open this item when it comes back.
		LL_DEBUGS("Messaging") << "Initializing an opener for tid: " << mTransactionID
				 << LL_ENDL;
		switch (mIM)
		{
		case IM_INVENTORY_OFFERED:
			{
				// This is an offer from an agent. In this case, the back
				// end has already copied the items into your inventory,
				// so we can fetch it out of our inventory.
				if (gSavedSettings.getBOOL("ShowOfferedInventory"))
				{
					LLOpenAgentOffer* open_agent_offer = new LLOpenAgentOffer(mObjectID, from_string);
					open_agent_offer->startFetch();
					if(catp || (itemp && itemp->isFinished()))
					{
						open_agent_offer->done();
					}
					else
					{
						opener = open_agent_offer;
					}
				}
			}
			break;
		case IM_GROUP_NOTICE:
			opener = new LLOpenTaskGroupOffer;
			send_auto_receive_response();
			break;
		case IM_TASK_INVENTORY_OFFERED:
		case IM_GROUP_NOTICE_REQUESTED:
			// This is an offer from a task or group.
			// We don't use a new instance of an opener
			// We instead use the singular observer gOpenTaskOffer
			// Since it already exists, we don't need to actually do anything
			break;
		default:
			LL_WARNS("Messaging") << "inventory_offer_callback: unknown offer type" << LL_ENDL;
			break;
		}
		break;
		// end switch (mIM)
			
	case IOR_ACCEPT:
		//don't spam them if they are getting flooded
		if (check_offer_throttle(mFromName, true))
		{
			log_message = chatHistory_string + " " + LLTrans::getString("InvOfferGaveYou") + " " + mDesc + LLTrans::getString(".");
			LLSD args;
			args["MESSAGE"] = log_message;
			LLNotificationsUtil::add("SystemMessageTip", args);
		}
		break;

	case IOR_MUTE:
		// MUTE falls through to decline
	case IOR_DECLINE:
		{
			{
				LLStringUtil::format_map_t log_message_args;
				log_message_args["DESC"] = mDesc;
				log_message_args["NAME"] = mFromName;
				log_message = LLTrans::getString("InvOfferDecline", log_message_args);
			}
			chat.mText = log_message;
			if( LLMuteList::getInstance()->isMuted(mFromID ) && ! LLMuteList::getInstance()->isLinden(mFromName) )  // muting for SL-42269
			{
				chat.mMuted = TRUE;
			}

			// *NOTE dzaporozhan
			// Disabled logging to old chat floater to fix crash in group notices - EXT-4149
			// LLFloaterChat::addChatHistory(chat);
			
			LLDiscardAgentOffer* discard_agent_offer = new LLDiscardAgentOffer(mFolderID, mObjectID);
			discard_agent_offer->startFetch();
			if (catp || (itemp && itemp->isFinished()))
			{
				discard_agent_offer->done();
			}
			else
			{
				opener = discard_agent_offer;
			}
			
			
			if (busy &&	(!mFromGroup && !mFromObject))
			{
				busy_message(gMessageSystem, mFromID);
			}
			break;
		}
	default:
		// close button probably
		// The item has already been fetched and is in your inventory, we simply won't highlight it
		// OR delete it if the notification gets killed, since we don't want that to be a vector for 
		// losing inventory offers.
		break;
	}

	if(opener)
	{
		gInventory.addObserver(opener);
	}

	if(!mPersist)
	{
		delete this;
	}
	return false;
}

bool LLOfferInfo::inventory_task_offer_callback(const LLSD& notification, const LLSD& response)
{
	LLChat chat;
	std::string log_message;
	S32 button = LLNotification::getSelectedOption(notification, response);
	
	// For muting, we need to add the mute, then decline the offer.
	// This must be done here because:
	// * callback may be called immediately,
	// * adding the mute sends a message,
	// * we can't build two messages at once.
	if (2 == button)
	{
		LLNotificationPtr notification_ptr = LLNotifications::instance().find(notification["id"].asUUID());

		llassert(notification_ptr != NULL);
		if (notification_ptr != NULL)
		{
			gCacheName->get(mFromID, mFromGroup, boost::bind(&inventory_offer_mute_callback, _1, _2, _3));
		}
	}
	
	LLMessageSystem* msg = gMessageSystem;
	msg->newMessageFast(_PREHASH_ImprovedInstantMessage);
	msg->nextBlockFast(_PREHASH_AgentData);
	msg->addUUIDFast(_PREHASH_AgentID, gAgent.getID());
	msg->addUUIDFast(_PREHASH_SessionID, gAgent.getSessionID());
	msg->nextBlockFast(_PREHASH_MessageBlock);
	msg->addBOOLFast(_PREHASH_FromGroup, FALSE);
	msg->addUUIDFast(_PREHASH_ToAgentID, mFromID);
	msg->addU8Fast(_PREHASH_Offline, IM_ONLINE);
	msg->addUUIDFast(_PREHASH_ID, mTransactionID);
	msg->addU32Fast(_PREHASH_Timestamp, NO_TIMESTAMP); // no timestamp necessary
	std::string name;
	LLAgentUI::buildFullname(name);
	msg->addStringFast(_PREHASH_FromAgentName, name);
	msg->addStringFast(_PREHASH_Message, ""); 
	msg->addU32Fast(_PREHASH_ParentEstateID, 0);
	msg->addUUIDFast(_PREHASH_RegionID, LLUUID::null);
	msg->addVector3Fast(_PREHASH_Position, gAgent.getPositionAgent());
	LLInventoryObserver* opener = NULL;
	
	std::string from_string; // Used in the pop-up.
	std::string chatHistory_string;  // Used in chat history.
	if (mFromObject == TRUE)
	{
		if (mFromGroup)
		{
			std::string group_name;
			if (gCacheName->getGroupName(mFromID, group_name))
			{
				from_string = LLTrans::getString("InvOfferAnObjectNamed") + " "+"'" 
				+ mFromName + LLTrans::getString("'") +" " + LLTrans::getString("InvOfferOwnedByGroup") 
				+ " "+ "'" + group_name + "'";
				
				chatHistory_string = mFromName + " " + LLTrans::getString("InvOfferOwnedByGroup") 
				+ " " + group_name + "'";
			}
			else
			{
				from_string = LLTrans::getString("InvOfferAnObjectNamed") + " "+"'"
				+ mFromName +"'"+ " " + LLTrans::getString("InvOfferOwnedByUnknownGroup");
				chatHistory_string = mFromName + " " + LLTrans::getString("InvOfferOwn…