Added KDE3 version of kvirc

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/kvirc@1095341 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 148 insertions, 0 deletions

diff --git a/src/kvilib/ext/kvi_garbage.cpp b/src/kvilib/ext/kvi_garbage.cpp
new file mode 100644
index 00000000..0e2e8881
--- /dev/null
+++ b/src/kvilib/ext/kvi_garbage.cpp
@@ -0,0 +1,148 @@
+//
+//   File : kvi_garbage.cpp
+//   Creation date : Mon Dec  3 16:49:15 2001 GMT by Szymon Stefanek
+//
+//   This file is part of the KVirc irc client distribution
+//   Copyright (C) 2001 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 opinion) 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 __KVILIB__
+
+
+
+#include "kvi_garbage.h"
+
+#include <qvariant.h>
+
+KviGarbageCollector::KviGarbageCollector()
+: QObject(0)
+{
+	m_pGarbageList = 0;
+	m_pCleanupTimer = 0;
+	m_bForceCleanupNow = false;
+}
+
+KviGarbageCollector::~KviGarbageCollector()
+{
+	m_bForceCleanupNow = true;
+	cleanup();
+}
+
+void KviGarbageCollector::collect(QObject * g)
+{
+	if(!m_pGarbageList)
+	{
+		m_pGarbageList = new KviPointerList<QObject>;
+		m_pGarbageList->setAutoDelete(true);
+	}
+	//debug("COLLECTING GARBAGE %s",g->className());
+	m_pGarbageList->append(g);
+//	debug("Registering garbage object %d (%s:%s)",g,g->className(),g->name());
+	connect(g,SIGNAL(destroyed()),this,SLOT(garbageSuicide()));
+	triggerCleanup(0);
+}
+
+void KviGarbageCollector::garbageSuicide()
+{
+	if(!m_pGarbageList)
+	{
+		debug("Ops... garbage suicide while no garbage list");
+		return;
+	}
+	int idx = m_pGarbageList->findRef(sender());
+	if(idx == -1)
+	{
+		debug("Ops... unregistered garbage suicide");
+		return;
+	}
+	m_pGarbageList->removeRef(sender());
+	if(m_pGarbageList->isEmpty())
+	{
+		cleanup();
+	}
+}
+
+void KviGarbageCollector::triggerCleanup(int iTimeout)
+{
+	//debug("TRIGGERING CLEANUP AFTER %d msecs",iTimeout);
+	if(m_pCleanupTimer)
+	{
+		m_pCleanupTimer->stop();
+	} else {
+		m_pCleanupTimer = new QTimer(this);
+		connect(m_pCleanupTimer,SIGNAL(timeout()),this,SLOT(cleanup()));
+	}
+	m_pCleanupTimer->start(iTimeout);
+}
+
+void KviGarbageCollector::cleanup()
+{
+	//debug("CLEANUP CALLED !");
+	if(m_pGarbageList)
+	{
+		//debug("SOME GARBAGE TO DELETE");
+		KviPointerList<QObject> dying;
+		dying.setAutoDelete(false);
+		for(QObject * o = m_pGarbageList->first();o;o = m_pGarbageList->next())
+		{
+			//debug("CHECKING GARBAGE CLASS %s",o->className());
+			bool bDeleteIt = m_bForceCleanupNow;
+			if(!bDeleteIt)
+			{
+				//debug("CLEANUP NOT FORCED");
+				QVariant v = o->property("blockingDelete");
+				if(v.isValid())
+				{
+					//debug("HAS A VALID VARIANT!");
+//					debug("[Garbage collector]: garbage has a blockingDelete property");
+					bDeleteIt = !(v.toBool());
+//					if(!bDeleteIt)debug("And doesn't want to be delete now!");
+				} else bDeleteIt = true; // must be deleted
+			}
+			if(bDeleteIt)dying.append(o);
+		}
+
+		for(QObject * o2 = dying.first();o2;o2 = dying.next())
+		{
+			//debug("KILLING GARBAGE CLASS %s",o2->className());
+			disconnect(o2,SIGNAL(destroyed()),this,SLOT(garbageSuicide()));
+			m_pGarbageList->removeRef(o2);
+		}
+
+		if(m_pGarbageList->isEmpty())
+		{
+			delete m_pGarbageList;
+			m_pGarbageList = 0;
+		}
+	}
+
+	if(m_pGarbageList)
+	{
+//		debug("[Garbage collector cleanup]: Some stuff left to be deleted, will retry in a while");
+		// something left to be destroyed
+		if(m_bForceCleanupNow)debug("[Garbage collector]: Ops...I've left some undeleted stuff!");
+		triggerCleanup(5000); // retry in 5 sec
+	} else {
+//		debug("[Garbage collector cleanup]: Completed");
+		// nothing left to delete
+		if(m_pCleanupTimer)
+		{
+			delete m_pCleanupTimer;
+			m_pCleanupTimer = 0;
+		}
+	}
+}
+