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//=============================================================================
//
//   File : DccCanvasWindow.cpp
//   Creation date : Sun Jul 29 07 2001 20:23:13 by Szymon Stefanek
//
//   This file is part of the KVIrc IRC client distribution
//   Copyright (C) 2001-2010 Szymon Stefanek (pragma at kvirc dot net)
//
//   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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
//=============================================================================

#define QT_MODULE_CANVAS

#include "DccCanvasWindow.h"

#ifdef COMPILE_DCC_CANVAS

#include "DccDialog.h"
#include "DccMarshal.h"
#include "canvaswidget.h"

#define _KVI_DEBUG_CHECK_RANGE_
#include "kvi_debug.h"
#include "KviOptions.h"
#include "KviInput.h"
#include "KviIrcView.h"
#include "KviIconManager.h"
#include "KviLocale.h"
#include "KviError.h"
#include "kvi_out.h"
#include "KviNetUtils.h"
#include "KviConsoleWindow.h"
#include "KviMainWindow.h"
#include "KviMemory.h"
#include "KviThread.h"
#include "KviIrcSocket.h"
#include "kvi_settings.h"
#include "KviIrcConnection.h"

#include <QSplitter>

extern DccBroker * g_pDccBroker;

DccCanvasWindow::DccCanvasWindow(DccDescriptor * dcc, const char * name)
    : DccWindow(KVI_WINDOW_TYPE_DCCCANVAS, name, dcc)
{
	m_pSplitter = new QSplitter(QSplitter::Vertical, this, "splitter");

	m_pCanvas = new DccCanvasWidget(m_pSplitter);

	m_pIrcView = new KviIrcView(m_pSplitter, this);
	m_pInput = new KviInput(this);

	//	setFocusHandler(m_pInput,this);

	m_pMarshal = new DccMarshal(this);
	connect(m_pMarshal, SIGNAL(error(int)), this, SLOT(handleMarshalError(int)));
	connect(m_pMarshal, SIGNAL(connected()), this, SLOT(connected()));

	if(!(m_pDescriptor->bActive))
	{
		// PASSIVE CONNECTION
		output(KVI_OUT_DCCMSG, __tr2qs_ctx("Attempting a passive DCC CANVAS connection", "dcc"));
		int ret = m_pMarshal->dccListen(dcc->szListenIp, dcc->szListenPort, m_pDescriptor->bDoTimeout);
		if(ret != KviError_success)
			handleMarshalError(ret);
		else
		{

			output(KVI_OUT_DCCMSG, __tr2qs_ctx("Listening on interface %Q port %Q", "dcc"),
			    &(m_pMarshal->localIp()), &(m_pMarshal->localPort()));

			if(dcc->bSendRequest)
			{
				QString ip = !dcc->szFakeIp.isEmpty() ? dcc->szFakeIp : dcc->szListenIp;
				QString port = !dcc->szFakePort.isEmpty() ? dcc->szFakePort.toUtf8().data() : m_pMarshal->localPort();
				//#warning "OPTION FOR SENDING 127.0.0.1 and so on (not an unsigned number)"
				struct in_addr a;
				if(kvi_stringIpToBinaryIp(ip.toUtf8().data(), &a))
					ip.setNum(htonl(a.s_addr));
				dcc->console()->connection()->sendFmtData("PRIVMSG %s :%cDCC CANVAS chat %Q %Q%c",
				    dcc->console()->connection()->encodeText(dcc->szNick.toUtf8().data()).data(),
				    0x01, &ip,
				    &port,
				    0x01);
				output(KVI_OUT_DCCMSG, __tr2qs_ctx("Sent DCC CANVAS request to %Q, waiting for the remote client to connect...", "dcc"),
				    &(dcc->szNick));
			}
			else
				outputNoFmt(KVI_OUT_DCCMSG, __tr2qs_ctx("DCC CANVAS request not sent: awaiting manual connections", "dcc"));
		}
	}
	else
	{
		// ACTIVE CONNECTION
		outputNoFmt(KVI_OUT_DCCMSG, __tr2qs_ctx("Attempting an active DCC CANVAS connection", "dcc"));
		int ret = m_pMarshal->dccConnect(dcc->szIp.toUtf8().data(), dcc->szPort.toUtf8().data(), m_pDescriptor->bDoTimeout);
		if(ret != KviError_success)
			handleMarshalError(ret);
		else
			output(KVI_OUT_DCCMSG, __tr2qs_ctx("Contacting host %Q on port %Q", "dcc"), &(dcc->szIp), &(dcc->szPort));
	}

	//	m_pSlaveThread = nullptr;
}

DccCanvasWindow::~DccCanvasWindow()
{
	g_pDccBroker->unregisterDccWindow(this);
	//	if(m_pSlaveThread)
	//	{
	//		m_pSlaveThread->terminate();
	//		delete m_pSlaveThread;
	//		m_pSlaveThread = nullptr;
	//	}
	KviThreadManager::killPendingEvents(this);
	//	delete m_pDescriptor;
	//	delete m_pMarshal;
}

const QString & DccCanvasWindow::target()
{
	// This may change on the fly...
	m_szTarget = QString::asprintf("%s@%s:%s",
	    m_pDescriptor->szNick.toUtf8().data(), m_pDescriptor->szIp.toUtf8().data(), m_pDescriptor->szPort.toUtf8().data());
	return m_szTarget;
}

void DccCanvasWindow::fillCaptionBuffers()
{
	KviCString tmp(KviCString::Format, "DCC Canvas %s@%s:%s",
	    m_pDescriptor->szNick.toUtf8().data(), m_pDescriptor->szIp.toUtf8().data(), m_pDescriptor->szPort.toUtf8().data());

	m_szPlainTextCaption = tmp;

	m_szHtmlActiveCaption.sprintf("<font color=\"%s\"><b>%s</b></font>",
	    KVI_OPTION_COLOR(KviOption_colorCaptionTextActive).name().ascii(), tmp.ptr());
	m_szHtmlInactiveCaption.sprintf("<font color=\"%s\"><b>%s</b></font>",
	    KVI_OPTION_COLOR(KviOption_colorCaptionTextInactive).name().ascii(), tmp.ptr());
}

QPixmap * DccCanvasWindow::myIconPtr()
{
	return g_pIconManager->getSmallIcon(KviIconManager::Canvas);
}

void DccCanvasWindow::getBaseLogFileName(KviCString & buffer)
{
	buffer.sprintf("%s_%s_%s", m_pDescriptor->szNick.toUtf8().data(), m_pDescriptor->szIp.toUtf8().data(), m_pDescriptor->szPort.toUtf8().data());
}

void DccCanvasWindow::ownMessage(const QString & text, bool bUserFeedback)
{
	KviCString buf(KviCString::Format, "%s\r\n", text);
	//	m_pSlaveThread->sendRawData(buf.ptr(),buf.len());

	if(bUserFeedback)
		m_pFrm->firstConsole()->outputPrivmsg(this, KVI_OUT_OWNPRIVMSG,
		    m_pDescriptor->szLocalNick.toUtf8().data(), m_pDescriptor->szLocalUser.toUtf8().data(),
		    m_pDescriptor->szLocalHost.toUtf8().data(), text);
}

void DccCanvasWindow::ownAction(const QString & text)
{
	KviCString buf(KviCString::Format, "%cACTION %s%c\r\n", text);
	//	m_pSlaveThread->sendRawData(buf.ptr(),buf.len());
	output(KVI_OUT_OWNACTION, "%Q %s", &(m_pDescriptor->szLocalNick), text);
}

bool DccCanvasWindow::event(QEvent * e)
{
	//	if(e->type() == KVI_THREAD_EVENT)
	//	{
	//		switch(((KviThreadEvent *)e)->id())
	//		{
	//			case KVI_DCC_THREAD_EVENT_ERROR:
	//			{
	//				int * err = ((KviThreadDataEvent<int> *)e)->getData();
	//				output(KVI_OUT_DCCERROR,__tr("ERROR: %s"),kvi_getErrorString(*err));
	//				delete err;
	//				return true;
	//			}
	//			break;
	//			case KVI_DCC_THREAD_EVENT_DATA:
	//			{
	//				KviCString * d = ((KviThreadDataEvent<KviCString> *)e)->getData();
	//				if(d->firstCharIs(0x01))
	//				{
	//					d->cutLeft(1);
	//					if(d->lastCharIs(0x01))d->cutRight(1);
	//					if(kvi_strEqualCIN("ACTION",d->ptr(),6))d->cutLeft(6);
	//					d->stripLeftWhiteSpace();
	//					output(KVI_OUT_ACTION,"%s %s",m_pDescriptor->szNick.ptr(),d->ptr());
	//				} else {
	//
	//#ifdef COMPILE_CRYPT_SUPPORT
	//					if(KviCryptSessionInfo * cinf = cryptSessionInfo())
	//					{
	//						if(cinf->bDoDecrypt)
	//						{
	//							if(cinf->pEngine->isCryptographicEngine() && (*(d->ptr()) == KVI_TEXT_CRYPT))
	//							{
	//								KviCString decryptedStuff;
	//								if(cinf->pEngine->decrypt(d->ptr() + 1,decryptedStuff))
	//								{
	//									m_pFrm->firstConsole()->outputPrivmsg(this,KVI_OUT_DCCCHATMSGCRYPTED,
	//										m_pDescriptor->szNick.ptr(),m_pDescriptor->szUser.ptr(),
	//										m_pDescriptor->szHost.ptr(),decryptedStuff.ptr());
	//								} else {
	//									output(KVI_OUT_SYSTEMERROR,
	//										__tr("The following message looks like an encrypted one, but the crypting engine failed to decode it: %s"),
	//										cinf->pEngine->lastError());
	//									m_pFrm->firstConsole()->outputPrivmsg(this,KVI_OUT_DCCCHATMSG,
	//										m_pDescriptor->szNick.ptr(),m_pDescriptor->szUser.ptr(),
	//										m_pDescriptor->szHost.ptr(),d->ptr() + 1);
	//								}
	//								delete d;
	//								return true;
	//							} else {
	//								if(!(cinf->pEngine->isCryptographicEngine()))
	//								{
	//									KviCString decryptedStuff;
	//									if(cinf->pEngine->decrypt(d->ptr(),decryptedStuff))
	//									{
	//										m_pFrm->firstConsole()->outputPrivmsg(this,KVI_OUT_DCCCHATMSG,
	//											m_pDescriptor->szNick.ptr(),m_pDescriptor->szUser.ptr(),
	//											m_pDescriptor->szHost.ptr(),decryptedStuff.ptr());
	//										delete d;
	//										return true;
	//									} else {
	//										output(KVI_OUT_SYSTEMERROR,
	//											__tr("The following message looks like an encrypted one, but the crypting engine failed to decode it: %s"),
	//											cinf->pEngine->lastError());
	//									}
	//								}
	//							}
	//						}
	//					}
	//#endif
	//					m_pFrm->firstConsole()->outputPrivmsg(this,KVI_OUT_DCCCHATMSG,
	//						m_pDescriptor->szNick.ptr(),m_pDescriptor->szUser.ptr(),
	//						m_pDescriptor->szHost.ptr(),d->ptr());
	//				}
	//				delete d;
	//				return true;
	//			}
	//			break;
	//		}
	//	}
	return KviWindow::event(e);
}

void DccCanvasWindow::resizeEvent(QResizeEvent * e)
{
	int hght = m_pInput->heightHint();
	//	int hght2 = m_pTopSplitter->sizeHint().height();
	//	m_pTopSplitter->setGeometry(0,0,width(),hght2);
	m_pSplitter->setGeometry(0, 0, width(), height() - hght);
	m_pInput->setGeometry(0, height() - hght, width(), hght);
}

QSize DccCanvasWindow::sizeHint() const
{
	QSize ret(m_pIrcView->sizeHint().width(),
	    m_pIrcView->sizeHint().height() + m_pInput->heightHint());
	return ret;
}

void DccCanvasWindow::handleMarshalError(int err)
{
	QString sss = KviError::getDescription(err);
	output(KVI_OUT_DCCERROR, __tr2qs_ctx("DCC failed: %Q", "dcc"), &sss);
}

void DccCanvasWindow::connected()
{
	output(KVI_OUT_DCCMSG, __tr2qs_ctx("Connected to %Q:%Q", "dcc"),
	    &(m_pMarshal->remoteIp()), &(m_pMarshal->remotePort()));
	output(KVI_OUT_DCCMSG, __tr2qs_ctx("Local end is %Q:%Q", "dcc"),
	    &(m_pMarshal->localIp()), &(m_pMarshal->localPort()));
	if(!(m_pDescriptor->bActive))
	{
		// PASSIVE CONNECTION...Find out the remote end
		m_pDescriptor->szIp = m_pMarshal->remoteIp();
		m_pDescriptor->szPort = m_pMarshal->remotePort();
		m_pDescriptor->szHost = m_pMarshal->remoteIp();
	}
	updateCaption();
	//	m_pSlaveThread = new KviDccCanvasThread(this,m_pMarshal->releaseSocket());
	//	m_pSlaveThread->start();
}

#endif