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/****************************************************************************
** Copyright (C) 2001-2010 Klaralvdalens Datakonsult AB. All rights reserved.
**
** This file is part of the KD Tools library.
**
** Licensees holding valid commercial KD Tools licenses may use this file in
** accordance with the KD Tools Commercial License Agreement provided with
** the Software.
**
**
** This file may be distributed and/or modified under the terms of the
** GNU Lesser General Public License version 2 and version 3 as published by the
** Free Software Foundation and appearing in the file LICENSE.LGPL included.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** Contact info@kdab.com if any conditions of this licensing are not
** clear to you.
**
**********************************************************************/
#include "kdrunoncechecker.h"
#include "kdlockfile.h"
#include "kdsysinfo.h"
#include <QtCore/QList>
#include <QtCore/QCoreApplication>
#include <QtCore/QDir>
#include <QtCore/QFileInfo>
#include <algorithm>
class KDRunOnceChecker::Private
{
public:
Private( const QString& filename );
~Private();
KDLockFile m_lockfile;
bool m_hasLock;
};
KDRunOnceChecker::Private::Private( const QString& filename )
: m_lockfile( filename )
, m_hasLock( false )
{
}
KDRunOnceChecker::Private::~Private()
{
}
KDRunOnceChecker::KDRunOnceChecker( const QString& filename )
:d( new Private( filename ) )
{
}
KDRunOnceChecker::~KDRunOnceChecker()
{
}
class ProcessnameEquals
{
public:
ProcessnameEquals( const QString& name ): m_name( name ){}
bool operator()( const KDSysInfo::ProcessInfo& info )
{
#ifndef Q_WS_WIN
if( info.name == m_name )
return true;
const QFileInfo fi( info.name );
if( fi.fileName() == m_name || fi.baseName() == m_name )
return true;
return false;
#else
if( info.name.toLower() == m_name.toLower() )
return true;
if( info.name.toLower() == QDir::toNativeSeparators(m_name.toLower()) )
return true;
const QFileInfo fi( info.name );
if( fi.fileName().toLower() == m_name.toLower() || fi.baseName().toLower() == m_name.toLower() )
return true;
return info.name == m_name;
#endif
}
private:
QString m_name;
};
bool KDRunOnceChecker::isRunning( Dependencies depends )
{
bool running = false;
switch ( depends )
{
case( Lockfile ):
{
const bool locked = d->m_hasLock || d->m_lockfile.lock();
if ( locked )
d->m_hasLock = true;
running = running || ! locked;
}
break;
case( ProcessList ):
{
const QList< KDSysInfo::ProcessInfo > allProcesses = KDSysInfo::runningProcesses();
const QString appName = qApp->applicationFilePath();
//QList< KDSysInfo::ProcessInfo >::const_iterator it = std::find_if( allProcesses.constBegin(), allProcesses.constEnd(), ProcessnameEquals( appName ) );
const int count = std::count_if( allProcesses.constBegin(), allProcesses.constEnd(), ProcessnameEquals( appName ) );
running = running || /*it != allProcesses.constEnd()*/count > 1;
}
break;
case( BOTH ):
{
const QList< KDSysInfo::ProcessInfo > allProcesses = KDSysInfo::runningProcesses();
const QString appName = qApp->applicationFilePath();
//QList< KDSysInfo::ProcessInfo >::const_iterator it = std::find_if( allProcesses.constBegin(), allProcesses.constEnd(), ProcessnameEquals( appName ) );
const int count = std::count_if( allProcesses.constBegin(), allProcesses.constEnd(), ProcessnameEquals( appName ) );
const bool locked = d->m_hasLock || d->m_lockfile.lock();
if ( locked )
d->m_hasLock = true;
running = running || ( /*it != allProcesses.constEnd()*/count > 1 && !locked );
}
break;
}
return running;
}
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