/** 
 * @file llnotificationtiphandler.cpp
 * @brief Notification Handler Class for Notification Tips
 *
 * $LicenseInfo:firstyear=2000&license=viewerlgpl$
 * Second Life Viewer Source Code
 * Copyright (C) 2010, Linden Research, Inc.
 * Copyright (C) 2010-2016, Kitty Barnett
 * 
 * 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" // must be first include

#include "llfloaterreg.h"
#include "llfloaterimnearbychat.h"
#include "llfloaterimnearbychat.h"
#include "llnotificationhandler.h"
#include "llnotifications.h"
#include "lltoastnotifypanel.h"
#include "llviewercontrol.h"
#include "llviewerwindow.h"
#include "llnotificationmanager.h"
#include "llpaneltiptoast.h"

using namespace LLNotificationsUI;

//--------------------------------------------------------------------------
LLTipHandler::LLTipHandler()
:	LLSystemNotificationHandler("NotificationTips", "notifytip")
{
	// Getting a Channel for our notifications
	LLScreenChannel* channel = LLChannelManager::getInstance()->createNotificationChannel();
	if(channel)
	{
		mChannel = channel->getHandle();
	}
}

//--------------------------------------------------------------------------
LLTipHandler::~LLTipHandler()
{
}

//--------------------------------------------------------------------------
void LLTipHandler::initChannel()
{
	S32 channel_right_bound = gViewerWindow->getWorldViewRectScaled().mRight - gSavedSettings.getS32("NotificationChannelRightMargin"); 
	S32 channel_width = gSavedSettings.getS32("NotifyBoxWidth");
	mChannel.get()->init(channel_right_bound - channel_width, channel_right_bound);
}

//--------------------------------------------------------------------------
bool LLTipHandler::processNotification(const LLNotificationPtr& notification)
{
	if(mChannel.isDead())
	{
		return false;
	}

// [SL:KB] - Patch: Notification-Persisted | Checked: 2012-01-27 (Catznip-3.2)
	// Don't log persisted notifications a second time or pop up a toast for them
	if (notification->isPersisted())
	{
		return true;
	}
// [/SL:KB]

	// arrange a channel on a screen
	if(!mChannel.get()->getVisible())
	{
		initChannel();
	}

// [SL:KB] - Patch: Notification-Logging | Checked: 2013-10-14 (Catznip-3.6)
	bool fShowToast = true;

	if (LLHandlerUtil::canLogToChat(notification))
	{
		LLHandlerUtil::logToNearbyChat(notification, CHAT_SOURCE_SYSTEM);

		// Don't show a toast if the nearby chat floater is visible
		LLFloaterIMNearbyChat* pNearbyChat = LLFloaterReg::findTypedInstance<LLFloaterIMNearbyChat>("nearby_chat");
		if ( (pNearbyChat) && (!pNearbyChat->isMinimized()) && (pNearbyChat->isInVisibleChain()) )
		{
			fShowToast = false;
		}
	}

	if (LLHandlerUtil::canLogToIM(notification))
	{
		LLHandlerUtil::logToIMP2P(notification);

		if (notification->hasFormElements())
		{
			const std::string strName = LLHandlerUtil::getSubstitutionOriginalName(notification);
			const LLUUID idFrom = notification->getPayload()["from_id"];

			LLHandlerUtil::spawnIMSession(strName, idFrom);
		}

		if (LLHandlerUtil::isIMFloaterVisible(notification))
		{
			fShowToast = false;
		}
	}

	if (!fShowToast)
	{
		return false;
	}
// [/SL:KB]
//		// archive message in nearby chat
//	if (notification->canLogToChat())
//	{
//		LLHandlerUtil::logToNearbyChat(notification, CHAT_SOURCE_SYSTEM);
//	}
//
//	std::string session_name = notification->getPayload()["SESSION_NAME"];
//	const std::string name = LLHandlerUtil::getSubstitutionOriginalName(notification);
//	if (session_name.empty())
//	{
//		session_name = name;
//	}
//	LLUUID from_id = notification->getPayload()["from_id"];
//	if (notification->canLogToIM())
//	{
//		LLHandlerUtil::logToIM(IM_NOTHING_SPECIAL, session_name, name,
//				notification->getMessage(), from_id, from_id);
//	}
//
//	if (notification->canLogToIM() && notification->hasFormElements())
//	{
//		LLHandlerUtil::spawnIMSession(name, from_id);
//	}
//
//	if (notification->canLogToIM() && LLHandlerUtil::isIMFloaterOpened(notification))
//	{
//		return false;
//	}

	LLToastPanel* notify_box = LLToastPanel::buidPanelFromNotification(notification);

	LLToast::Params p;
	p.notif_id = notification->getID();
	p.notification = notification;
	p.panel = notify_box;
	p.is_tip = true;
	p.can_be_stored = false;

	LLDate cur_time = LLDate::now();
	LLDate exp_time = notification->getExpiration();
	if (exp_time > cur_time)
	{
		// we have non-default expiration time - keep visible until expires
		p.lifetime_secs = exp_time.secondsSinceEpoch() - cur_time.secondsSinceEpoch();
	}
	else
	{
		// use default time
		p.lifetime_secs = gSavedSettings.getS32("NotificationTipToastLifeTime");
	}

	LLScreenChannel* channel = dynamic_cast<LLScreenChannel*>(mChannel.get());
	if(channel)
		channel->addToast(p);
	return false;
}
